Title: £121 Cheap Flights from St. Louis to Portland (STL to PDX) - Expedia.co.uk ![View of Portland, Oregon overlooking the willamette river on a Fall Afternoon](https://images.trvl-media.com/place/178299/b61662af-dec4-42f2-b3cd-9aa834264b40.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178299/b61662af-dec4-42f2-b3cd-9aa834264b40.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £121 Cheap Flights from St. Louis (STL) to Portland (PDX) [View £121 flight on Mon, 2 Feb 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:STL,to:PDX,departure:02/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:120.90&airProductToken=AQpfCi0IwaYBEgM2MTgY8lwgkgEowo6EAzDVkIQDOFhAAFgBagJTVnIIT0gyT0FVQk4KLgjBpgESAzM4MBiSASDvuAEo5pGEAzCfkoQDOFhAAVgBagJTVnIIR0gyT0FWQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Lambert-St. Louis International Airport (STL) to Portland International Airport (PDX) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:STL,to:PDX,departure:02/01/2026TANYT&leg2=from:PDX,to:STL,departure:09/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:STL,to:PDX,departure:02/01/2026TANYT&leg2=from:PDX,to:STL,departure:09/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:STL,to:PDX,departure:02/01/2026TANYT&leg2=from:PDX,to:STL,departure:09/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:STL,to:PDX,departure:02/01/2026TANYT&leg2=from:PDX,to:STL,departure:09/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:STL,to:PDX,departure:02/01/2026TANYT&leg2=from:PDX,to:STL,departure:09/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![Frontier Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:STL,to:PDX,departure:02/01/2026TANYT&leg2=from:PDX,to:STL,departure:09/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![Hawaiian Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_HA.svg) Hawaiian Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:STL,to:PDX,departure:02/01/2026TANYT&leg2=from:PDX,to:STL,departure:09/01/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"HA"}}]) - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Cheap Flights from St. Louis (STL) to Portland (PDX) Prices were available within the past 7 days and start at £121 for one-way flights and £255 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 20 Feb - Mon, 23 Feb STL St. Louis PDX Portland £255 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:PDX,departure:20/02/2026TANYT&leg2=from:PDX,to:STL,departure:23/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:254.80&airProductToken=AQpfCi0IwaYBEgMzMTQY8lwgkgEo_9iFAzCW24UDOFhAAFgBagJTVnIIT0gyT0FVQk4KLgjBpgESAzQ5OBiSASDvuAEo2N2FAzCQ3oUDOFhAAVgBagJTVnIIR0gyT0FWQk4KXwouCMGmARIDNDk5GO-4ASCSASjI94UDMIj4hQM4WEAAWAFqAlNWcghRSDJPQVNCTgotCMGmARIDNjE4GJIBIPJcKLv4hQMwp_qFAzhYQAFYAWoCU1ZyCFFIMk9BU0JOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Mon, 2 Feb - Mon, 9 Feb STL St. Louis PDX Portland £271 Return just found [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:PDX,departure:02/02/2026TANYT&leg2=from:PDX,to:STL,departure:09/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:270.50&airProductToken=AQpfCi0IwaYBEgM2MTgY8lwgkgEowo6EAzDVkIQDOFhAAFgBagJTVnIIT0gyT0FVQk4KLgjBpgESAzM4MBiSASDvuAEo5pGEAzCfkoQDOFhAAVgBagJTVnIIR0gyT0FWQk4KkAEKLwjBpgESBDMyMDQY77gBIIQ1KMPhhAMw9eGEAzhYQABYAWoCU1ZyCE9IMk9BVUJOCi4IwaYBEgQzMDA5GIQ1IJIBKJblhAMw7OWEAzhYQAFYAWoCU1ZyCEdIMk9YVUJOCi0IwaYBEgM2MTgYkgEg8lwom-aEAzCK6IQDOFhAAVgBagJTVnIIT0gyT1hVQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, 29 Jan - Thu, 5 Feb STL St. Louis PDX Portland £275 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:PDX,departure:29/01/2026TANYT&leg2=from:PDX,to:STL,departure:05/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:274.80&airProductToken=AQpfCi0IwaYBEgM2MTgY8lwgkgEowuGDAzDV44MDOFhAAFgBagJTVnIIUUgyT0FTQk4KLgjBpgESAzM4MBiSASDvuAEo5uSDAzCf5YMDOFhAAVgBagJTVnIIUUgyT0FTQk4KkAEKLwjBpgESBDMyMDQY77gBIIQ1KMO0hAMw9bSEAzhYQABYAWoCU1ZyCEdIMk9BVUJOCi4IwaYBEgQzMDA5GIQ1IJIBKJa4hAMw7LiEAzhYQAFYAWoCU1ZyCFFIMk9BVUJOCi0IwaYBEgM2MTgYkgEg8lwom7mEAzCKu4QDOFhAAVgBagJTVnIIUUgyT0FVQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 20 Feb - Mon, 23 Feb STL St. Louis PDX Portland £284 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:PDX,departure:20/02/2026TANYT&leg2=from:PDX,to:STL,departure:23/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:283.80&airProductToken=AQpgCi0IwaYBEgM0NzMY8lwgkgEorNWFAzDG14UDOFhAAFgBagJTVnIIT0gyT0FVQk4KLwjBpgESBDIzNzYYkgEg77gBKIbbhQMwvduFAzhYQAFYAWoCU1ZyCFFIMk9BVkJOCl8KLgjBpgESAzM0OBjvuAEgkgEokPuFAzDR-4UDOFhAAFgBagJTVnIIUUgyT0FTQk4KLQjBpgESAzYxNRiSASDyXCif_YUDMIf_hQM4WEABWAFqAlNWcghRSDJPQVNCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Mon, 2 Feb - Mon, 9 Feb STL St. Louis PDX Portland £291 Return just found [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:PDX,departure:02/02/2026TANYT&leg2=from:PDX,to:STL,departure:09/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:290.90&airProductToken=AQpfCi0IwaYBEgM2MTgY8lwgkgEowo6EAzDVkIQDOFhAAFgBagJTVnIIT0gyT0FVQk4KLgjBpgESAzM4MBiSASDvuAEo5pGEAzCfkoQDOFhAAVgBagJTVnIIR0gyT0FWQk4KjgEKLgjBpgESAzQ0NxjvuAEgwUMotOGEAzCC4oQDOFhAAFgBagJTVnIIT0gyT0FVQk4KLQjBpgESAzM0NRjBQyCSASiD5YQDMPPlhAM4WEABWAFqAlNWcghPSDJPWEpCTgotCMGmARIDNjE4GJIBIPJcKJvmhAMwiuiEAzhYQAFYAWoCU1ZyCE9IMk9YSkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Mon, 2 Feb - Mon, 9 Feb STL St. Louis PDX Portland £294 Return just found [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:PDX,departure:02/02/2026TANYT&leg2=from:PDX,to:STL,departure:09/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:293.10&airProductToken=AQpfCi0IwaYBEgM2MTgY8lwgkgEowo6EAzDVkIQDOFhAAFgBagJTVnIIT0gyT0FVQk4KLgjBpgESAzM4MBiSASDvuAEo5pGEAzCfkoQDOFhAAVgBagJTVnIIR0gyT0FWQk4KkgEKMAjBpgESBDIzNzAY77gBIKyJASi-4YQDMPnhhAM4WEAAWAFqAlNWcghPSDJPQVVCTgovCMGmARIEMjQ1MhisiQEgkgEoluWEAzDz5YQDOFhAAVgBagJTVnIIR0gyT0FWQk4KLQjBpgESAzYxOBiSASDyXCib5oQDMIrohAM4WEABWAFqAlNWcghPSDJPWFVCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Mon, 2 Feb - Mon, 9 Feb STL St. Louis PDX Portland £301 Return just found [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:PDX,departure:02/02/2026TANYT&leg2=from:PDX,to:STL,departure:09/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:300.60&airProductToken=AQpfCi0IwaYBEgM2MTgY8lwgkgEowo6EAzDVkIQDOFhAAFgBagJTVnIIT0gyT0FVQk4KLgjBpgESAzM4MBiSASDvuAEo5pGEAzCfkoQDOFhAAVgBagJTVnIIR0gyT0FWQk4KjwEKLwjBpgESBDEzNTYY77gBIIYxKLThhAMw_OGEAzhYQABYAWoCU1ZyCE9IMk9BVUJOCi0IwaYBEgMzMjAYhjEgkgEomeWEAzDq5YQDOFhAAVgBagJTVnIIR0gyT0FWQk4KLQjBpgESAzYxOBiSASDyXCib5oQDMIrohAM4WEABWAFqAlNWcghPSDJPWFVCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Mon, 2 Feb - Mon, 9 Feb STL St. Louis PDX Portland £316 Return just found [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:PDX,departure:02/02/2026TANYT&leg2=from:PDX,to:STL,departure:09/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:315.60&airProductToken=AQpfCi0IwaYBEgM2MTgY8lwgkgEowo6EAzDVkIQDOFhAAFgBagJTVnIIT0gyT0FVQk4KLgjBpgESAzM4MBiSASDvuAEo5pGEAzCfkoQDOFhAAVgBagJTVnIIR0gyT0FWQk4KkAEKLwjBpgESBDIwNTcY77gBIPFgKMfhhAMw9uGEAzhYQABYAWoCU1ZyCFFIMk9BU0JOCi4IwaYBEgQyMjc3GPFgIJIBKKDlhAMw8-WEAzhYQAFYAWoCU1ZyCE9IMk9YSkJOCi0IwaYBEgM2MTgYkgEg8lwom-aEAzCK6IQDOFhAAVgBagJTVnIIT0gyT1hKQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 20 Feb - Mon, 23 Feb STL St. Louis PDX Portland £322 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:PDX,departure:20/02/2026TANYT&leg2=from:PDX,to:STL,departure:23/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:321.40&airProductToken=AQpfCi0IwaYBEgM0NzMY8lwgkgEorNWFAzDG14UDOFhAAFgBagJTVnIIT0gyT0FVQk4KLgjBpgESAzQ2NhiSASDvuAEovNiFAzD82IUDOFhAAVgBagJTVnIIVkgyT0FWQk4KXwouCMGmARIDMzQ4GO-4ASCSASiQ-4UDMNH7hQM4WEAAWAFqAlNWcghRSDJPQVNCTgotCMGmARIDNjE1GJIBIPJcKJ_9hQMwh_-FAzhYQAFYAWoCU1ZyCFFIMk9BU0JOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Mon, 2 Feb - Mon, 9 Feb STL St. Louis PDX Portland £326 Return just found [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:PDX,departure:02/02/2026TANYT&leg2=from:PDX,to:STL,departure:09/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:325.70&airProductToken=AQpfCi0IwaYBEgM2MTgY8lwgkgEowo6EAzDVkIQDOFhAAFgBagJTVnIIUUgyRUFWQk4KLgjBpgESAzM4MBiSASDvuAEo5pGEAzCfkoQDOFhAAVgBagJTVnIIR0gyRUFWQk4KYAovCMGmARIEMjA4MRjvuAEgkgEoiNqEAzC_2oQDOFhAAFgBagJTVnIIVkgyRUFWQk4KLQjBpgESAzYxOBiSASDyXCj72oQDMOrchAM4WEABWAFqAlNWcghRSDJFQVZCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 20 Feb - Mon, 23 Feb STL St. Louis PDX Portland £327 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:PDX,departure:20/02/2026TANYT&leg2=from:PDX,to:STL,departure:23/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:326.80&airProductToken=AQpuCjsIwaYBEgQ2MzYyGPJcIKOxASjK14UDMMLYhQM4R0AAWAFqAlBNcghPSDJPQUtNTnoKCMGCARIENjM2MgovCMGmARIDNjQ2GKOxASDvuAEoq9qFAzCx3IUDOE9AAVgBagJQTXIIT0gyT0FLTU4KXwouCMGmARIDNDk5GO-4ASCSASjI94UDMIj4hQM4UUAAWAFqAk1BcghRSDJPQVNNTgotCMGmARIDNjE4GJIBIPJcKLv4hQMwp_qFAzhRQAFYAWoCTUFyCFFIMk9BU01OEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 20 Feb - Mon, 23 Feb STL St. Louis PDX Portland £337 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:STL,to:PDX,departure:20/02/2026TANYT&leg2=from:PDX,to:STL,departure:23/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:336.50&airProductToken=AQpgCi0IwaYBEgMzMTQY8lwgkgEo_9iFAzCW24UDOFhAAFgBagJTVnIIT0gyT0FVQk4KLwjBpgESBDMwMzYYkgEg77gBKMfbhQMwg9yFAzhYQAFYAWoCU1ZyCExIMk9BVkJOCl8KLgjBpgESAzM0OBjvuAEgkgEokPuFAzDR-4UDOFhAAFgBagJTVnIIUUgyT0FTQk4KLQjBpgESAzYxNRiSASDyXCif_YUDMIf_hQM4WEABWAFqAlNWcghRSDJPQVNCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ## Find the cheapest month to fly from St. Louis (STL) to Portland (PDX) ### January is typically the cheapest month to fly From £125 - £348 per traveller. ## Frequently asked questions ### How much is a flight from Lambert-St. Louis Intl. Airport (STL) to PDX? ### Do I need to pay a cancellation fee if I cancel my flight from Lambert-St. Louis Intl. Airport (STL) to PDX? ### How do I find cheap flights from Lambert Field to PDX Airport that have flexible change policies? ### How far is the flight from St. Louis Lambert International Airport to PDX Airport? ### Which airlines fly direct from STL to PDX? ### Are Lambert-St. Louis Intl. Airport (STL) to PDX flight tickets cheaper when they're purchased at the last minute? ## Travel information | Origin airport | Lambert-St. Louis Intl. | | ------------------- | ----------------------- | | Destination airport | Portland Intl. | | Airlines serving | Alaska Airlines | | Return price | £255 | | Distance | 2725 km | ## Book with confidence # Compare flights from St. Louis to Portland easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from St. Louis to Portland. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Portland Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Lambert-St. Louis Intl. to Portland Intl.. To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. Grab a great deal on your flight from Lambert-St. Louis Intl. (STL) to Portland Intl. (PDX) The easiest way to view the best deals on flights from St. Louis to Portland today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Lambert-St. Louis Intl. to Portland Intl. start at just £255 and range up to £337\. To find an even better deal, try - being flexible on your dates – midweek flights can be cheaper - looking for other airports near St. Louis and Portland - booking your flight during February, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper Why you should book your St. Louis to Portland flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Lambert-St. Louis Intl. to Portland Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you. Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight. ## Explore a world of travel with Expedia - Accommodation - Flights - Packages - Cars - Holiday Homes - Other - [5 Star Hotels in Portland ](https://www.expedia.co.uk/5Star-Portland-Hotels.s50-0-d178299.Travel-Guide-Filter-Hotels) - [Alphabet Historic District Hotels ](https://www.expedia.co.uk/Alphabet-Historic-District-Portland-Hotels.0-n6162235-0.Travel-Guide-Filter-Hotels) - [Hotels near Belmont ](https://www.expedia.co.uk/Belmont-Hotels.0-l553248635976382061-0.Travel-Guide-Filter-Hotels) - [Buckman Hotels ](https://www.expedia.co.uk/Buckman-Portland-Hotels.0-n553248635976387087-0.Travel-Guide-Filter-Hotels) - [Cully Hotels ](https://www.expedia.co.uk/Cully-Portland-Hotels.0-n553248635976394788-0.Travel-Guide-Filter-Hotels) - [Downtown Portland Hotels ](https://www.expedia.co.uk/Downtown-Portland-Portland-Hotels.0-n6054571-0.Travel-Guide-Filter-Hotels) - [East Columbia Hotels ](https://www.expedia.co.uk/East-Columbia-Portland-Hotels.0-n553248635976389642-0.Travel-Guide-Filter-Hotels) - [Hotels near Gerding Theater at the Armory ](https://www.expedia.co.uk/Gerding-Theater-At-The-Armory-Hotels.0-l6325600-0.Travel-Guide-Filter-Hotels) - [Hazelwood Hotels ](https://www.expedia.co.uk/Hazelwood-Portland-Hotels.0-n553248635975852272-0.Travel-Guide-Filter-Hotels) - [Hollywood District Hotels ](https://www.expedia.co.uk/Hollywood-District-Portland-Hotels.0-n6324983-0.Travel-Guide-Filter-Hotels) - [Hosford-Abernethy Hotels ](https://www.expedia.co.uk/Hosford-Abernethy-Portland-Hotels.0-n553248635976396119-0.Travel-Guide-Filter-Hotels) - [Humboldt Hotels ](https://www.expedia.co.uk/Humboldt-Portland-Hotels.0-n553248635976386730-0.Travel-Guide-Filter-Hotels) - [Irvington Hotels ](https://www.expedia.co.uk/Irvington-Portland-Hotels.0-n553248635976394939-0.Travel-Guide-Filter-Hotels) - [Kerns Hotels ](https://www.expedia.co.uk/Kerns-Portland-Hotels.0-n553248635976386692-0.Travel-Guide-Filter-Hotels) - [Hotels near Life Size Elephant Statue ](https://www.expedia.co.uk/Life-Size-Elephant-Statue-Hotels.0-l6325346-0.Travel-Guide-Filter-Hotels) - [Hotels near Lloyd Center ](https://www.expedia.co.uk/Lloyd-Center-Hotels.0-l6163409-0.Travel-Guide-Filter-Hotels) - [Gay-Friendly Hotels in Lloyd District ](https://www.expedia.co.uk/Lloyd-District-Portland-Hotels-Gay-Friendly-Hotel.0-n6233933-0-tGayFriendlyHotel.Travel-Guide-Filter-Hotels) - [Lloyd District Hotels ](https://www.expedia.co.uk/Lloyd-District-Portland-Hotels.0-n6233933-0.Travel-Guide-Filter-Hotels) - [Mississippi District Hotels ](https://www.expedia.co.uk/Mississippi-District-Portland-Hotels.0-n553248635975749741-0.Travel-Guide-Filter-Hotels) - [Hotels near Moda Center ](https://www.expedia.co.uk/Moda-Center-Hotels.0-l6295463-0.Travel-Guide-Filter-Hotels) - [Montavilla Hotels ](https://www.expedia.co.uk/Montavilla-Portland-Hotels.0-n553248635976386821-0.Travel-Guide-Filter-Hotels) - [Serviced Apartments in NE 7th Avenue Station ](https://www.expedia.co.uk/NE-7th-Avenue-Station-Apart-Hotels.d6216658-aaApartHotels.Travel-Guide-Accommodation) - [North Gresham Hotels ](https://www.expedia.co.uk/North-Gresham-Portland-Hotels.0-n553248635976386935-0.Travel-Guide-Filter-Hotels) - [North Portland Hotels ](https://www.expedia.co.uk/North-Portland-Portland-Hotels.0-n6054573-0.Travel-Guide-Filter-Hotels) - [Northeast Portland Hotels ](https://www.expedia.co.uk/Northeast-Portland-Portland-Hotels.0-n553248635975749210-0.Travel-Guide-Filter-Hotels) - [Old Town Chinatown Hotels ](https://www.expedia.co.uk/Old-Town-Chinatown-Portland-Hotels.0-n6235229-0.Travel-Guide-Filter-Hotels) - [Hotels near Oregon Convention Center ](https://www.expedia.co.uk/Oregon-Convention-Center-Hotels.0-l6054568-0.Travel-Guide-Filter-Hotels) - [Parkrose Hotels ](https://www.expedia.co.uk/Parkrose-Portland-Hotels.0-n6352626-0.Travel-Guide-Filter-Hotels) - [Adults Only Resorts & in Pearl District ](https://www.expedia.co.uk/Pearl-District-Portland-Hotels-Adults-Only-Resorts.0-n6161282-0-tAdultsOnlyResorts.Travel-Guide-Filter-Hotels) - [Boutique Hotels in Pearl District ](https://www.expedia.co.uk/Pearl-District-Portland-Hotels-Boutique-Hotel.0-n6161282-0-tBoutiqueHotel.Travel-Guide-Filter-Hotels) - [Gay-Friendly Hotels in Pearl District ](https://www.expedia.co.uk/Pearl-District-Portland-Hotels-Gay-Friendly-Hotel.0-n6161282-0-tGayFriendlyHotel.Travel-Guide-Filter-Hotels) - [Pearl District Hotels ](https://www.expedia.co.uk/Pearl-District-Portland-Hotels.0-n6161282-0.Travel-Guide-Filter-Hotels) - [Serviced Apartments in Portland ](https://www.expedia.co.uk/Portland-Apart-Hotels.d178299-aaApartHotels.Travel-Guide-Accommodation) - [B&B in Portland ](https://www.expedia.co.uk/Portland-Bed-And-Breakfasts.d178299-aaBedAndBreakfasts.Travel-Guide-Accommodation) - [Adults Only Resorts & in Portland ](https://www.expedia.co.uk/Portland-Hotels-Adults-Only-Resorts.0-0-d178299-tAdultsOnlyResorts.Travel-Guide-Filter-Hotels) - [Beach Resorts & in Portland ](https://www.expedia.co.uk/Portland-Hotels-Beach-Hotels.0-0-d178299-tBeachHotels.Travel-Guide-Filter-Hotels) - [Cheap Hotels in Portland ](https://www.expedia.co.uk/Portland-Hotels-Budget-Hotels.0-0-d178299-tBudgetHotels.Travel-Guide-Filter-Hotels) - [Gay-Friendly Hotels in Portland ](https://www.expedia.co.uk/Portland-Hotels-Gay-Friendly-Hotel.0-0-d178299-tGayFriendlyHotel.Travel-Guide-Filter-Hotels) - [Hotels with Early Check-in in Portland ](https://www.expedia.co.uk/Portland-Hotels-Hotel-With-Early-Check-In.0-0-d178299-thotelwithearlycheckin.Travel-Guide-Filter-Hotels) - [Hotels with Hot Tubs in Portland ](https://www.expedia.co.uk/Portland-Hotels-Hotels-With-Hot-Tubs.0-0-d178299-tHotelsWithHotTubs.Travel-Guide-Filter-Hotels) - [Luxury Hotels in Portland ](https://www.expedia.co.uk/Portland-Hotels-Luxury-Hotel.0-0-d178299-tLuxuryHotel.Travel-Guide-Filter-Hotels) - [Pet-Friendly Hotels in Portland ](https://www.expedia.co.uk/Portland-Hotels-Pet-Friendly-Hotel.0-0-d178299-tPetFriendlyHotel.Travel-Guide-Filter-Hotels) - [Spa Hotels in Portland ](https://www.expedia.co.uk/Portland-Hotels-Spa-Hotels.0-0-d178299-tSpaHotels.Travel-Guide-Filter-Hotels) - [Portland Hotels ](https://www.expedia.co.uk/Portland-Hotels.d178299.Travel-Guide-Hotels) - [Villas in Portland ](https://www.expedia.co.uk/Portland-Villas.d178299-aaVillas.Travel-Guide-Accommodation) - [Rose City Park Hotels ](https://www.expedia.co.uk/Rose-City-Park-Portland-Hotels.0-n6325996-0.Travel-Guide-Filter-Hotels) - [Roseway Hotels ](https://www.expedia.co.uk/Roseway-Portland-Hotels.0-n553248635976386895-0.Travel-Guide-Filter-Hotels) - [Sumner Hotels ](https://www.expedia.co.uk/Sumner-Portland-Hotels.0-n553248635976386823-0.Travel-Guide-Filter-Hotels) - [Wilkes Hotels ](https://www.expedia.co.uk/Wilkes-Portland-Hotels.0-n553248635976394772-0.Travel-Guide-Filter-Hotels) - [Woodland Park Hotels ](https://www.expedia.co.uk/Woodland-Park-Portland-Hotels.0-n553248635976395099-0.Travel-Guide-Filter-Hotels) - [Flights to Portland ](https://www.expedia.co.uk/Cheap-Flights-To-Portland.d178299.Travel-Guide-Flights) - [Flights from Anchorage (ANC) to Corvallis (CVO) ](https://www.expedia.co.uk/lp/flights/anc/cvo/anchorage-to-corvallis) - [Flights from Astoria (AST) to Salem (SLE) ](https://www.expedia.co.uk/lp/flights/ast/sle/astoria-to-salem) - [Flights from Birmingham (BHX) to Salem (SLE) ](https://www.expedia.co.uk/lp/flights/bhx/sle/birmingham-to-salem) - [Flights from Stockholm (BMA) to Salem (SLE) ](https://www.expedia.co.uk/lp/flights/bma/sle/stockholm-to-salem) - [Flights from Nashville (BNA) to Salem (SLE) ](https://www.expedia.co.uk/lp/flights/bna/sle/nashville-to-salem) - [Flights from Boston (BOS) to Salem (SLE) ](https://www.expedia.co.uk/lp/flights/bos/sle/boston-to-salem) - [Flights from Bristol (BRS) to Salem (SLE) ](https://www.expedia.co.uk/lp/flights/brs/sle/bristol-to-salem) - [Flights from Washington (DCA) to Salem (SLE) ](https://www.expedia.co.uk/lp/flights/dca/sle/washington-to-salem) - [Flights from Frankfurt (FRA) to Astoria (AST) ](https://www.expedia.co.uk/lp/flights/fra/ast/frankfurt-to-astoria) - [Flights from Glasgow (GGW) to Salem (SLE) ](https://www.expedia.co.uk/lp/flights/ggw/sle/glasgow-to-salem) - [Flights from Joacaba (JCB) to Salem (SLE) ](https://www.expedia.co.uk/lp/flights/jcb/sle/joacaba-to-salem) - [Flights from New York (JFK) to Salem (SLE) ](https://www.expedia.co.uk/lp/flights/jfk/sle/new-york-to-salem) - [Flights from Los Angeles (LAX) to Salem (SLE) ](https://www.expedia.co.uk/lp/flights/lax/sle/los-angeles-to-salem) - [Flights from Leeds (LBA) to Salem (SLE) ](https://www.expedia.co.uk/lp/flights/lba/sle/leeds-to-salem) - [Flights from London (LHR) to Astoria (AST) ](https://www.expedia.co.uk/lp/flights/lhr/ast/london-to-astoria) - [Flights from London (LHR) to Corvallis (CVO) ](https://www.expedia.co.uk/lp/flights/lhr/cvo/london-to-corvallis) - [Flights from London (LHR) to Salem (SLE) ](https://www.expedia.co.uk/lp/flights/lhr/sle/london-to-salem) - [Flights from London (LON) to Astoria (AST) ](https://www.expedia.co.uk/lp/flights/lon/ast/london-to-astoria) - [Flights from London (LON) to Pacific City (PFC) ](https://www.expedia.co.uk/lp/flights/lon/pfc/london-to-pacific-city) - [Flights from Manchester (MAN) to Salem (SLE) ](https://www.expedia.co.uk/lp/flights/man/sle/manchester-to-salem) - [Flights from Orlando (MCO) to Salem (SLE) ](https://www.expedia.co.uk/lp/flights/mco/sle/orlando-to-salem) - [Flights from New Orleans (MSY) to Salem (SLE) ](https://www.expedia.co.uk/lp/flights/msy/sle/new-orleans-to-salem) - [Flights from Portland (PDX) to Corvallis (CVO) ](https://www.expedia.co.uk/lp/flights/pdx/cvo/portland-to-corvallis) - [Flights from Portland (PDX) to Salem (SLE) ](https://www.expedia.co.uk/lp/flights/pdx/sle/portland-to-salem) - [Flights from Sacramento (SAC) to Salem (SLE) ](https://www.expedia.co.uk/lp/flights/sac/sle/sacramento-to-salem) - [Flights from San Diego (SAN) to Astoria (AST) ](https://www.expedia.co.uk/lp/flights/san/ast/san-diego-to-astoria) - [Flights from Seattle (SEA) to Astoria (AST) ](https://www.expedia.co.uk/lp/flights/sea/ast/seattle-to-astoria) - [Flights from Seattle (SEA) to Corvallis (CVO) ](https://www.expedia.co.uk/lp/flights/sea/cvo/seattle-to-corvallis) - [Flights from San Francisco (SFO) to Astoria (AST) ](https://www.expedia.co.uk/lp/flights/sfo/ast/san-francisco-to-astoria) - [Flights from San Francisco (SFO) to Salem (SLE) ](https://www.expedia.co.uk/lp/flights/sfo/sle/san-francisco-to-salem) - [Delta Sports Complex ](https://www.expedia.co.uk/Delta-Sports-Complex-North-Portland.d553248621558114756.Attraction) - [Lan Su Chinese Garden ](https://www.expedia.co.uk/Lan-Su-Chinese-Garden-Downtown-Portland.d6187068.Attraction) - [Life Size Elephant Statue ](https://www.expedia.co.uk/Life-Size-Elephant-Statue-Pearl-District.d6325346.Attraction) - [Visit Hayden Island ](https://www.expedia.co.uk/Portland-Hayden-Island.dx553248635976395345) - [Visit Old Town Chinatown ](https://www.expedia.co.uk/Portland-Old-Town-Chinatown.dx6235229) - [Visit Parkrose ](https://www.expedia.co.uk/Portland-Parkrose.dx6352626) - [Visit Pearl District ](https://www.expedia.co.uk/Portland-Pearl-District.dx6161282) - [Visit Rose City Park ](https://www.expedia.co.uk/Portland-Rose-City-Park.dx6325996) - [Portland Saturday Market ](https://www.expedia.co.uk/Portland-Saturday-Market-Downtown-Portland.d6078403.Attraction) - [Portland Holidays ](https://www.expedia.co.uk/Portland.d178299.Holidays-City-Breaks) - [Visit Portland ](https://www.expedia.co.uk/Portland.dx178299) - [Tom McCall Waterfront Park ](https://www.expedia.co.uk/Tom-McCall-Waterfront-Park-Downtown-Portland.d507457.Attraction) - [Click & Rent Rental Cars in King ](https://www.expedia.co.uk/Click-Rent-Car-Rentals-In-King.d553248635976388722-c1089.Car-Rental-Guide-Suppliers) - [Car hire near Life Size Elephant Statue ](https://www.expedia.co.uk/Compare-Cheap-Car-Hire-In-Life-Size-Elephant-Statue.d6325346.Car-Hire-Guide) - [Car hire near Norse Hall ](https://www.expedia.co.uk/Compare-Cheap-Car-Hire-In-Norse-Hall.d6325404.Car-Hire-Guide) - [Car hire near Portland ](https://www.expedia.co.uk/Compare-Cheap-Car-Hire-In-Portland.d178299.Car-Hire-Guide) - [Car hire near Swan Island ](https://www.expedia.co.uk/Compare-Cheap-Car-Hire-In-Swan-Island.d6326047.Car-Hire-Guide) - [Portland Holiday Rentals ](https://www.expedia.co.uk/Portland-Holiday-Rentals.d178299.Travel-Guide-HolidayRentals) - [Things to do in Portland ](https://www.expedia.co.uk/Things-To-Do-In-Portland.d178299.Travel-Guide-Activities) \*Available to Expedia members.