Title: Cheap Flights to Casco - Expedia.co.uk ![Casco](https://images.trvl-media.com/place/183297/0fff1b00-77cd-4828-80e7-32ae70a4f92b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/183297/0fff1b00-77cd-4828-80e7-32ae70a4f92b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £357 Cheap Flights to Casco [View £357 flight on Tue, 2 Jun 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:LHR,to:PWM,departure:02/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:356.99&airProductToken=AQpcCiwIwmwSAjIwGOuJASCpUSjvz44DMNvTjgM4TEAAWAFqAkROcghVTzVMQVhMMQosCMJsEgMzMDgYqVEgz2Uo99aOAzDY144DOExAAVgBagJETnIIVU81TEFYTDESCggBEAEYASoCQjYYASIECAEQASgCKAQoBjAB) - [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 Add a place to stay Direct flights only [Casco Travel Guide](https://expedia.co.uk/Casco.dx183297)[Hotels in Casco](https://expedia.co.uk/Casco-Hotels.d183297.Travel-Guide-Hotels)[Casco Car Hire](https://expedia.co.uk/Compare-Cheap-Car-Hire-In-Casco.d183297.Car-Hire-Guide)[Casco Holidays](https://expedia.co.uk/Casco.d183297.Holidays-City-Breaks) ## Popular airlines to Casco - ![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:CMH,to:Casco, Maine, United States of America,departure:29/01/2026TANYT&leg2=from:Casco, Maine, United States of America,to:CMH,departure:05/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![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:CMH,to:Casco, Maine, United States of America,departure:29/01/2026TANYT&leg2=from:Casco, Maine, United States of America,to:CMH,departure:05/02/2026TANYT&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:CMH,to:Casco, Maine, United States of America,departure:29/01/2026TANYT&leg2=from:Casco, Maine, United States of America,to:CMH,departure:05/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![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:CMH,to:Casco, Maine, United States of America,departure:29/01/2026TANYT&leg2=from:Casco, Maine, United States of America,to:CMH,departure:05/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![Breeze Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/10/30/landing_airline_sq_logo_MX.svg) Breeze Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Casco, Maine, United States of America,departure:29/01/2026TANYT&leg2=from:Casco, Maine, United States of America,to:CMH,departure:05/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"MX"}}]) - ![JetBlue Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Casco, Maine, United States of America,departure:29/01/2026TANYT&leg2=from:Casco, Maine, United States of America,to:CMH,departure:05/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![KLM](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_KL.svg) KLM [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Casco, Maine, United States of America,departure:29/01/2026TANYT&leg2=from:Casco, Maine, United States of America,to:CMH,departure:05/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KL"}}]) - ![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 round-trip flights to Casco Prices were available within the past 7 days and start at £357 for one-way flights and £455 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Wed, 15 Apr - Wed, 29 Apr LHR London PWM Portland £455 Return found 5 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PWM,departure:15/04/2026TANYT&leg2=from:PWM,to:LHR,departure:29/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:454.89&airProductToken=AQpACh4IwmwSAjIwGOuJASCpUSjvs4oDMNu3igM4TEAAWAEKHgjCbBIDMzA4GKlRIM9lKNW6igMws7uKAzhMQAFYAQpCCh4IwmwSAzMwNxjPZSCpUSj40IsDMMfRiwM4TEAAWAEKIAjCbBIEMTEwNxipUSDriQEondKLAzDB1YsDOExAAVgBEgoIARABGAEqAkI2GAEiBAgBEAEoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Mon, 9 Feb - Sun, 15 Feb LHR London PWM Portland £517 Return found 8 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PWM,departure:09/02/2026TANYT&leg2=from:PWM,to:LHR,departure:15/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:516.19&airProductToken=AQppCiIIwYIBEgQ2OTE4GOuJASCYzgEo_NiEAzDm3IQDOE9AAFgBCiEIwYIBEgQ1ODg2GJjOASDvWSiz3oQDMKXfhAM4QkABWAEKIAjBggESBDUyMDAY71kgz2Uo8N-EAzDK4IQDOEJAAVgBCkUKIAjBggESBDU4MjAYz2Ug71koiKKFAzD9ooUDOEJAAFgBCiEIwYIBEgQ2OTExGO9ZIOuJASinrYUDMMuwhQM4UUABWAESCggBEAEYASoCQUEYASIECAEQASgEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Mon, 16 Mar - Mon, 30 Mar LHR London PWM Portland £538 Return found 5 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PWM,departure:16/03/2026TANYT&leg2=from:PWM,to:LHR,departure:30/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:537.25&airProductToken=AQppCiIIxJgBEgQ5NTg2GOuJASCAkwEo4eKHAzCs44cDOEVAAFgBCiEIxJgBEgQ5MzU4GICTASCpUSjl5IcDMNTohwM4RUABWAEKIAjEmAESBDU0MTEYqVEgz2UozemHAzCv6ocDOEVAAVgBCkUKIQjEmAESBDM3MDIYz2Ug47QBKMCEiQMwzYWJAzhFQABYAQogCMSYARICMTYY47QBIOuJASiZhokDMNuJiQM4RUABWAESCggBEAEYASoCREwYASIECAEQASgEMAE) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Tue, 24 Feb - Tue, 3 Mar LHR London PWM Portland £538 Return just found [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PWM,departure:24/02/2026TANYT&leg2=from:PWM,to:LHR,departure:03/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:537.25&airProductToken=AQqnAQozCMuYARIEMTAwNhjriQEggJMBKOGBhgMwrIKGAzhMQABYAWoFTElHSFRyCFZZMjZESExJCjEIy5gBEgM2NDMYgJMBIKlRKOWDhgMw1IeGAzhWQAFYAWoFTElHSFRyCFZZMjZESExJCj0Iy5gBEgQ2ODEyGKlRIM9lKKaJhgMw_omGAzhWQAFYAWoFTElHSFRyCFZZMjZESExJegoIxJgBEgQ2ODEyCn8KPQjLmAESBDY0MDcYz2UgqVEol9SGAzDx1IYDOFZAAFgBagVMSUdIVHIIVlkyNkRITEl6CgjEmAESBDY0MDcKPgjLmAESBDI1MDEYqVEg64kBKOTVhgMwnNmGAzhWQAFYAWoFTElHSFRyCFZZMjZESExJegoI1qYBEgQyNTAxEgoIARABGAEqAktMGAEiBAgBEAEoAigDKAQwDQ) ![Virgin Atlantic](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VS.gif) Sun, 1 Feb - Sun, 8 Feb LHR London PWM Portland £542 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PWM,departure:01/02/2026TANYT&leg2=from:PWM,to:LHR,departure:08/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:541.25&airProductToken=AQq-AQo-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) ## Find the cheapest month to fly from Columbus (CMH) to Portland (PWM) ### September is typically the cheapest month to fly From £99 - £277 per traveller. ## Expedia flights to Casco Searching for cheap flights to Casco? No travel company presents more choices than Expedia if you're looking to compare flights to Casco. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Maine. Expedia provides the cheapest flights to many destinations in Maine and you may find even greater savings if you combine your flight with a hotel stay in Casco. Expedia is the largest online travel agency which means that Expedia have access to cheap flights. So make sure you check Expedia regularly for these bargain flights because the cheapest airline tickets sell out fast. Expedia is not only free for everyone to use but it quick and easy to use. Find the lowest flight prices guaranteed and book directly through Expedia. Browse through hundreds of cheap flight offers to find the one that suits your budget by simply inputting your travel dates. Expedia will then find the cheapest flights to Casco for that period and let you choose your preferred time and airline. If you need additional assistance, Expedia Customer Service representatives are available from 8am - 10pm Monday to Friday, and 9am - 10pm at weekends. Our capable staff will be able to help you with any questions regarding your Casco flight, or other booking questions that may arise. When you book flights with Expedia you can rest assured that you have booked the best flight at the lowest price. ## Frequently asked questions ### What is the name of Casco's airport? ### How far is Portland Intl. Jetport from central Casco? ### What airport is best to fly into Casco? ### How many airlines fly to Casco? ### Which airlines fly to Casco? ### How many nonstop flights are there to Casco? ### Where are the most popular flights to Casco departing from? ### How long is the flight to Casco Airport? ### How to book the cheapest flight to Casco? ### Do you have any tips for my flight to Casco? > - A plane ride can be easy if you pack the right things. First of all you'll need toiletry items, such as a toothbrush and lip balm, a clean set of clothes and something to read. Secondly, find a spot in your hand luggage for your electronic gadgets, chargers, medications and maybe a quality neck pillow as well. Lastly, don't forget to take your passport, travel docs and some cash. > > > Do not pack the following items in your hand luggage: > > > - Check carefully that you don't have a sharp object lurking in your carry-on luggage. Other restricted items include flammable or explosive products, such as bleach and fuel, and liquids and gels in containers with a volume of more than 3.4 ounces (100 millilitres). > > > What to wear on a flight: > > > - The aisles of an airplane are no place for a fashion parade. Layer your clothing and go for shoes that are roomy, flat and easy to remove. > - Deep vein thrombosis (DVT), a blood clot condition caused by extended periods of inactivity, can be a risk on long-haul flights. Make a point of walking around the cabin or do some gentle exercises in your seat to improve your circulation. ### How to get through airport security fast when flying to Casco? > - Airport security personnel first need to establish that you have a valid ID and matching travel documents before you're allowed to proceed any further. Have them within easy reach, ready for inspection. > - Next up, both you and your hand luggage will be X-rayed. To make the process quick and painless, take off anything that is likely to set the alarm off. Items like your jacket, belt and earphones need to go through the machine. > - All your electronics, including your tablet and phone, will also need to be separately scanned. > - Any gels or liquids, such as shampoo or hairspray, that you want to take on board need to be in containers no larger than 3.4 ounces (100 millilitres). They must also all fit inside a quart-size (one litre), zip-lock bag. > - Choosing your footwear wisely can save you several precious minutes. Boots are often required to be removed and separately scanned. Slip-on shoes usually aren't. > - Airlines will not allow any sharp items or pocket knives to come on board with you. If you must bring these kinds of items, pack them in your checked luggage. __Flights to Casco information__ | Destination airport | Portland Intl. Jetport | | ----------------------------- | ---------------------- | | Destination airport IATA code | PWM | | Destination city name | Portland | | Return price | £455 | ## Trending flights to Casco Prices were available within the past 7 days and start at £357 for one-way flights and £455 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![JetBlue Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/b6.gif) Wed, 15 Apr - Wed, 29 Apr LHR London PWM Portland £455 Return found 5 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PWM,departure:15/04/2026TANYT&leg2=from:PWM,to:LHR,departure:29/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:454.89&airProductToken=AQpACh4IwmwSAjIwGOuJASCpUSjvs4oDMNu3igM4TEAAWAEKHgjCbBIDMzA4GKlRIM9lKNW6igMws7uKAzhMQAFYAQpCCh4IwmwSAzMwNxjPZSCpUSj40IsDMMfRiwM4TEAAWAEKIAjCbBIEMTEwNxipUSDriQEondKLAzDB1YsDOExAAVgBEgoIARABGAEqAkI2GAEiBAgBEAEoBDAB) \*Available to Expedia members.