Title: Cheap Flights from Sun Valley to Denver (SUN to DEN) - Expedia.co.uk ![Denver Colorado downtown with City Park](https://images.trvl-media.com/place/178254/7cc57818-0302-43a8-831e-86e04b8cc6a7.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Sun Valley (SUN) to Denver (DEN) - [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 Sun Valley, ID (SUN-Friedman Memorial) to Denver International Airport (DEN) - ![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:sun,to:den,departure:20/10/2025TANYT&leg2=from:den,to:sun,departure:27/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![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:sun,to:den,departure:20/10/2025TANYT&leg2=from:den,to:sun,departure:27/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![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:sun,to:den,departure:20/10/2025TANYT&leg2=from:den,to:sun,departure:27/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![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:sun,to:den,departure:20/10/2025TANYT&leg2=from:den,to:sun,departure:27/10/2025TANYT&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 Sun Valley (SUN) to Denver (DEN) Prices were available within the past 7 days and start at for one-way flights and £367 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, 13 Feb - Fri, 20 Feb SUN Sun Valley DEN Denver £367 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SUN,to:DEN,departure:13/02/2026TANYT&leg2=from:DEN,to:SUN,departure:20/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:366.80&airProductToken=AQqQAQouCMGmARIEMjIyNRiSbSCSASjnjIUDMNeNhQM4WEAAWAFqAlNWcghRSDJPQUpCTgouCMGmARIDNDk4GJIBIO-4ASiOj4UDMMOPhQM4WEABWAFqAlNWcghRSDJPQUpCTgouCMGmARIDNjg0GO-4ASCDaSjkkoUDMPyThQM4WEABWAFqAlNWcghPSDJPWFVCTgpgCi4IwaYBEgQzMDIxGINpIJJoKLjWhQMwydeFAzhYQABYAWoCU1ZyCFFIMk9BVkJOCi4IwaYBEgQyMzYxGJJoIJJtKPbXhQMwjdmFAzhYQAFYAWoCU1ZyCE5IMk9BVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, 12 Feb - Thu, 19 Feb SUN Sun Valley DEN Denver £377 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SUN,to:DEN,departure:12/02/2026TANYT&leg2=from:DEN,to:SUN,departure:19/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:376.50&airProductToken=AQqQAQouCMGmARIEMjIyNRiSbSCSASjHgYUDMLeChQM4WEAAWAFqAlNWcghRSDJPQUpCTgouCMGmARIDNDk4GJIBIO-4ASjug4UDMKOEhQM4WEABWAFqAlNWcghRSDJPQUpCTgouCMGmARIDNjg0GO-4ASCDaSjEh4UDMNyIhQM4WEABWAFqAlNWcghTSDJPQVZCTgpfCi0IwaYBEgM2ODIYg2kgkgEol82FAzDLzoUDOFhAAFgBagJTVnIITkg3T0FKQk4KLgjBpgESBDIyMjQYkgEgkm0ojM-FAzD6z4UDOFhAAVgBagJTVnIITkg3T0FKQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 13 Feb - Fri, 20 Feb SUN Sun Valley DEN Denver £387 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SUN,to:DEN,departure:13/02/2026TANYT&leg2=from:DEN,to:SUN,departure:20/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:386.20&airProductToken=AQqQAQouCMGmARIEMjIyNRiSbSCSASjnjIUDMNeNhQM4WEAAWAFqAlNWcghRSDJPQUpCTgouCMGmARIDNDk4GJIBIO-4ASiOj4UDMMOPhQM4WEABWAFqAlNWcghRSDJPQUpCTgouCMGmARIDNjg0GO-4ASCDaSjkkoUDMPyThQM4WEABWAFqAlNWcghPSDJPWFVCTgpfCi0IwaYBEgM2NDMYg2kgkgEo6NWFAzCc14UDOFhAAFgBagJTVnIIU0gyT0FWQk4KLgjBpgESBDIyMjQYkgEgkm0orNqFAzCa24UDOFhAAVgBagJTVnIIU0gyT0FVQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, 12 Feb - Thu, 19 Feb SUN Sun Valley DEN Denver £401 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SUN,to:DEN,departure:12/02/2026TANYT&leg2=from:DEN,to:SUN,departure:19/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:400.20&airProductToken=AQqQAQouCMGmARIEMjIyNRiSbSCSASjHgYUDMLeChQM4WEAAWAFqAlNWcghRSDJPQUpCTgouCMGmARIDNDk4GJIBIO-4ASjug4UDMKOEhQM4WEABWAFqAlNWcghRSDJPQUpCTgouCMGmARIDNjg0GO-4ASCDaSjEh4UDMNyIhQM4WEABWAFqAlNWcghTSDJPQVZCTgpfCi0IwaYBEgM2NDMYg2kgkgEoyMqFAzD8y4UDOFhAAFgBagJTVnIIUUgyT0FWQk4KLgjBpgESBDIyMjQYkgEgkm0ojM-FAzD6z4UDOFhAAVgBagJTVnIIU0gyT0FVQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, 18 Feb - Wed, 25 Feb SUN Sun Valley DEN Denver £418 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SUN,to:DEN,departure:18/02/2026TANYT&leg2=from:DEN,to:SUN,departure:25/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:417.80&airProductToken=AQpgCi4IwaYBEgQyMzYyGJJtIJJoKP7ChQMwj8SFAzhYQABYAWoCU1ZyCE1INE9BU0JOCi4IwaYBEgQzMDQ2GJJoIINpKI3GhQMwm8eFAzhYQAFYAWoCU1ZyCE9IMk9BVkJOCl8KLQjBpgESAzY4MhiDaSCSASjXkIYDMIuShgM4WEAAWAFqAlNWcghPSDJPQVZCTgouCMGmARIEMjIyNBiSASCSbSjMkoYDMLqThgM4WEABWAFqAlNWcghTSDJPWFVCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, 12 Feb - Thu, 19 Feb SUN Sun Valley DEN Denver £420 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SUN,to:DEN,departure:12/02/2026TANYT&leg2=from:DEN,to:SUN,departure:19/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:419.90&airProductToken=AQpfCi4IwaYBEgQyMzQ1GJJtIJIBKPH9hAMw4f6EAzhYQABYAWoCU1ZyCFNIMk9BVUJOCi0IwaYBEgM2NDIYkgEgg2ko74GFAzCTg4UDOFhAAVgBagJTVnIITEgwT0FWQk4KXwotCMGmARIDNjgyGINpIJIBKJfNhQMwy86FAzhYQABYAWoCU1ZyCE5IN09BSkJOCi4IwaYBEgQyMjI0GJIBIJJtKIzPhQMw-s-FAzhYQAFYAWoCU1ZyCE5IN09BSkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, 18 Feb - Wed, 25 Feb SUN Sun Valley DEN Denver £426 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SUN,to:DEN,departure:18/02/2026TANYT&leg2=from:DEN,to:SUN,departure:25/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:425.30&airProductToken=AQpfCi4IwaYBEgQyMzQ1GJJtIJIBKLHBhQMwocKFAzhYQABYAWoCU1ZyCE1INE9BU0JOCi0IwaYBEgM2NDIYkgEgg2kor8WFAzDTxoUDOFhAAVgBagJTVnIIUUgyT1hVQk4KXwotCMGmARIDNjgyGINpIJIBKNeQhgMwi5KGAzhYQABYAWoCU1ZyCE9IMk9BVkJOCi4IwaYBEgQyMjI0GJIBIJJtKMyShgMwupOGAzhYQAFYAWoCU1ZyCFNIMk9YVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 13 Feb - Fri, 20 Feb SUN Sun Valley DEN Denver £438 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SUN,to:DEN,departure:13/02/2026TANYT&leg2=from:DEN,to:SUN,departure:20/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:437.80&airProductToken=AQqQAQouCMGmARIEMjIyNRiSbSCSASjnjIUDMNeNhQM4WEAAWAFqAlNWcghRSDJPQUpCTgouCMGmARIDNDk4GJIBIO-4ASiOj4UDMMOPhQM4WEABWAFqAlNWcghRSDJPQUpCTgouCMGmARIDNjg0GO-4ASCDaSjkkoUDMPyThQM4WEABWAFqAlNWcghPSDJPWFVCTgpfCi0IwaYBEgM2ODIYg2kgkgEot9iFAzDr2YUDOFhAAFgBagJTVnIITEgwT0FWQk4KLgjBpgESBDIyMjQYkgEgkm0orNqFAzCa24UDOFhAAVgBagJTVnIIU0gyT0FVQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, 15 Feb - Sun, 22 Feb SUN Sun Valley DEN Denver £440 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SUN,to:DEN,departure:15/02/2026TANYT&leg2=from:DEN,to:SUN,departure:22/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:439.90&airProductToken=AQpfCi4IwaYBEgQyMzQ1GJJtIJIBKNGfhQMwwaCFAzhYQABYAWoCU1ZyCFNIN09BSkJOCi0IwaYBEgM2MDIYkgEgg2koh6KFAzCro4UDOFhAAVgBagJTVnIIU0g3T0FKQk4KkAEKLgjBpgESAzY4NBiDaSDvuAEotu6FAzDa74UDOFhAAFgBagJTVnIIVkgyT0FWQk4KLgjBpgESAzM0OBjvuAEgkgEo-e-FAzCz8IUDOFhAAVgBagJTVnIIUUgyT0FKQk4KLgjBpgESBDIyMjQYkgEgkm0o7PCFAzDa8YUDOFhAAVgBagJTVnIIUUgyT0FKQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, 12 Feb - Thu, 19 Feb SUN Sun Valley DEN Denver £445 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SUN,to:DEN,departure:12/02/2026TANYT&leg2=from:DEN,to:SUN,departure:19/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:444.60&airProductToken=AQpfCi4IwaYBEgQyMzQ1GJJtIJIBKPH9hAMw4f6EAzhYQABYAWoCU1ZyCFNIMk9BVUJOCi0IwaYBEgM2NDIYkgEgg2ko74GFAzCTg4UDOFhAAVgBagJTVnIITEgwT0FWQk4KXwotCMGmARIDNjQzGINpIJIBKMjKhQMw_MuFAzhYQABYAWoCU1ZyCFFIMk9BVkJOCi4IwaYBEgQyMjI0GJIBIJJtKIzPhQMw-s-FAzhYQAFYAWoCU1ZyCFNIMk9BVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, 15 Feb - Sun, 22 Feb SUN Sun Valley DEN Denver £455 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SUN,to:DEN,departure:15/02/2026TANYT&leg2=from:DEN,to:SUN,departure:22/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:454.30&airProductToken=AQpfCi4IwaYBEgQyMzQ1GJJtIJIBKNGfhQMwwaCFAzhYQABYAWoCU1ZyCFNIN09BSkJOCi0IwaYBEgM2MDIYkgEgg2koh6KFAzCro4UDOFhAAVgBagJTVnIIU0g3T0FKQk4KYAouCMGmARIEMzAyMRiDaSCSaCj47IUDMInuhQM4WEAAWAFqAlNWcghWSDRPQVNCTgouCMGmARIEMjM2MRiSaCCSbSi27oUDMM3vhQM4WEABWAFqAlNWcghOSDJPQVVCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 13 Feb - Fri, 20 Feb SUN Sun Valley DEN Denver £456 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SUN,to:DEN,departure:13/02/2026TANYT&leg2=from:DEN,to:SUN,departure:20/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:455.40&airProductToken=AQpgCi4IwaYBEgQyMzYyGJJtIJJoKN6KhQMw74uFAzhYQABYAWoCU1ZyCE5IMk9BVUJOCi4IwaYBEgQzMDQ2GJJoIINpKO2NhQMw-46FAzhYQAFYAWoCU1ZyCFZINE9BU0JOCmAKLgjBpgESBDMwMjEYg2kgkmgouNaFAzDJ14UDOFhAAFgBagJTVnIIUUgyT0FWQk4KLgjBpgESBDIzNjEYkmggkm0o9teFAzCN2YUDOFhAAVgBagJTVnIITkgyT0FVQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 13 Feb - Fri, 20 Feb SUN Sun Valley DEN Denver £459 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SUN,to:DEN,departure:13/02/2026TANYT&leg2=from:DEN,to:SUN,departure:20/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:458.60&airProductToken=AQpfCi4IwaYBEgQyMzQ1GJJtIJIBKJGJhQMwgYqFAzhYQABYAWoCU1ZyCFNIMk9BVUJOCi0IwaYBEgM2NDIYkgEgg2koj42FAzCzjoUDOFhAAVgBagJTVnIITEgwT0FWQk4KYAouCMGmARIEMzAyMRiDaSCSaCi41oUDMMnXhQM4WEAAWAFqAlNWcghRSDJPQVZCTgouCMGmARIEMjM2MRiSaCCSbSj214UDMI3ZhQM4WEABWAFqAlNWcghOSDJPQVVCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, 12 Feb - Thu, 19 Feb SUN Sun Valley DEN Denver £463 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SUN,to:DEN,departure:12/02/2026TANYT&leg2=from:DEN,to:SUN,departure:19/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:462.50&airProductToken=AQqQAQouCMGmARIEMjIyNRiSbSCSASjHgYUDMLeChQM4UUAAWAFqAk1BcghRSDJPQUpNTgouCMGmARIDNDk4GJIBIO-4ASjug4UDMKOEhQM4UUABWAFqAk1BcghRSDJPQUpNTgouCMGmARIDNjg0GO-4ASCDaSjEh4UDMNyIhQM4U0ABWAFqAk1BcghTSDJPQVZNTgpfCi0IwaYBEgM2ODIYg2kgkgEol82FAzDLzoUDOE5AAFgBagJNQXIITkg3T0FKTU4KLgjBpgESBDIyMjQYkgEgkm0ojM-FAzD6z4UDOE5AAVgBagJNQXIITkg3T0FKTU4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 13 Feb - Fri, 20 Feb SUN Sun Valley DEN Denver £464 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SUN,to:DEN,departure:13/02/2026TANYT&leg2=from:DEN,to:SUN,departure:20/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:463.60&airProductToken=AQqQAQouCMGmARIEMjIyNRiSbSCSASjnjIUDMNeNhQM4UUAAWAFqAk1BcghRSDJPQUpNTgouCMGmARIDNDk4GJIBIO-4ASiOj4UDMMOPhQM4UUABWAFqAk1BcghRSDJPQUpNTgouCMGmARIDNjg0GO-4ASCDaSjkkoUDMPyThQM4T0ABWAFqAk1BcghPSDJPWFVNTgpgCi4IwaYBEgQzMDIxGINpIJJoKLjWhQMwydeFAzhRQABYAWoCTUFyCFFIMk9BVk1OCi4IwaYBEgQyMzYxGJJoIJJtKPbXhQMwjdmFAzhOQAFYAWoCTUFyCE5IMkVBVU1OEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, 15 Feb - Sun, 22 Feb SUN Sun Valley DEN Denver £473 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SUN,to:DEN,departure:15/02/2026TANYT&leg2=from:DEN,to:SUN,departure:22/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:472.60&airProductToken=AQpfCi4IwaYBEgQyMzQ1GJJtIJIBKNGfhQMwwaCFAzhYQABYAWoCU1ZyCFNIN09BSkJOCi0IwaYBEgM2MDIYkgEgg2koh6KFAzCro4UDOFhAAVgBagJTVnIIU0g3T0FKQk4KXwotCMGmARIDNjQzGINpIJIBKKjshQMw3O2FAzhYQABYAWoCU1ZyCE1INE9BVkJOCi4IwaYBEgQyMjI0GJIBIJJtKOzwhQMw2vGFAzhYQAFYAWoCU1ZyCE9IMk9BVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 13 Feb - Fri, 20 Feb SUN Sun Valley DEN Denver £474 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SUN,to:DEN,departure:13/02/2026TANYT&leg2=from:DEN,to:SUN,departure:20/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:473.70&airProductToken=AQpgCi4IwaYBEgQyMzYyGJJtIJJoKN6KhQMw74uFAzhYQABYAWoCU1ZyCE5IMk9BVUJOCi4IwaYBEgQzMDQ2GJJoIINpKO2NhQMw-46FAzhYQAFYAWoCU1ZyCFZINE9BU0JOCl8KLQjBpgESAzY0MxiDaSCSASjo1YUDMJzXhQM4WEAAWAFqAlNWcghTSDJPQVZCTgouCMGmARIEMjIyNBiSASCSbSis2oUDMJrbhQM4WEABWAFqAlNWcghTSDJPQVVCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 13 Feb - Fri, 20 Feb SUN Sun Valley DEN Denver £478 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SUN,to:DEN,departure:13/02/2026TANYT&leg2=from:DEN,to:SUN,departure:20/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:478.00&airProductToken=AQpfCi4IwaYBEgQyMzQ1GJJtIJIBKJGJhQMwgYqFAzhYQABYAWoCU1ZyCFNIMk9BVUJOCi0IwaYBEgM2NDIYkgEgg2koj42FAzCzjoUDOFhAAVgBagJTVnIITEgwT0FWQk4KXwotCMGmARIDNjQzGINpIJIBKOjVhQMwnNeFAzhYQABYAWoCU1ZyCFNIMk9BVkJOCi4IwaYBEgQyMjI0GJIBIJJtKKzahQMwmtuFAzhYQAFYAWoCU1ZyCFNIMk9BVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 13 Feb - Fri, 20 Feb SUN Sun Valley DEN Denver £490 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SUN,to:DEN,departure:13/02/2026TANYT&leg2=from:DEN,to:SUN,departure:20/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:489.80&airProductToken=AQpfCi4IwaYBEgQyMzQ1GJJtIJIBKJGJhQMwgYqFAzhYQABYAWoCU1ZyCFNIMk9BVUJOCi0IwaYBEgM2MDIYkgEgg2kox4uFAzDrjIUDOFhAAVgBagJTVnIITUg0T0FWQk4KYAouCMGmARIEMzAyMRiDaSCSaCi41oUDMMnXhQM4WEAAWAFqAlNWcghRSDJPQVZCTgouCMGmARIEMjM2MRiSaCCSbSj214UDMI3ZhQM4WEABWAFqAlNWcghOSDJPQVVCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, 15 Feb - Sun, 22 Feb SUN Sun Valley DEN Denver £498 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SUN,to:DEN,departure:15/02/2026TANYT&leg2=from:DEN,to:SUN,departure:22/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:497.30&airProductToken=AQpgCi4IwaYBEgQyMzYyGJJtIJJoKJ6hhQMwr6KFAzhYQABYAWoCU1ZyCE5IMk9BVUJOCi4IwaYBEgQzMDQ2GJJoIINpKK2khQMwu6WFAzhYQAFYAWoCU1ZyCE5IMk9BVkJOCl8KLQjBpgESAzY0MxiDaSCSASio7IUDMNzthQM4WEAAWAFqAlNWcghNSDRPQVZCTgouCMGmARIEMjIyNBiSASCSbSjs8IUDMNrxhQM4WEABWAFqAlNWcghPSDJPQVVCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) Flight from Sun Valley to Denver route information | Origin airport | Friedman Memorial | | --- | --- | | Destination airport | Denver Intl. | | Return price | £367 | | Distance | 891 km | | Average flight time | 1 hour 58 mins | ## Compare flights from Sun Valley to Denver easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Sun Valley to Denver. Operating between them 2 flights per day, 20 airlines cover the route. And United Airlines fly direct, getting you to Denver Intl. in just 1hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Friedman Memorial to Denver 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 Friedman Memorial (SUN) to Denver Intl. (DEN) The easiest way to view the best deals on flights from Sun Valley to Denver 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 Friedman Memorial to Denver Intl. start at just £367 and range up to £498.   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Sun Valley and Denver - 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 Sun Valley to Denver flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Friedman Memorial to Denver 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.   ## Frequently asked questions ### How much is a flight from SUN to Denver Intl. Airport (DEN)? > Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip flight between Friedman Memorial Airport (SUN) and DEN was £367. Fares this good don't wait forever, so make sure you book yours today. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Friedman Memorial Airport (SUN) to DIA airport? > We understand that things come up unexpectedly, so we've made it as easy as possible for you to cancel your trip online. Just head to the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033) and follow the instructions. ### How do I find cheap flights from SUN to Denver Intl. Airport (DEN) that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Friedman Memorial Airport (SUN) to DEN flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Friedman Memorial Airport (SUN) to DIA airport? > That movie you've been wanting to see will have to wait — the flight distance between Friedman Memorial Airport and DIA airport is only 900 kilometres. The captain will be asking you to buckle up for touchdown before you know it. ### Which airlines fly direct from Friedman Memorial Airport (SUN) to DIA airport? > A popular option with many travellers, United Airlines (UA) offers 30 flights monthly from Friedman Memorial Airport (SUN) to DEN. Pick the one that fits with your travel schedule and book your fare today. ### Are Friedman Memorial Airport (SUN) to Denver Intl. Airport (DEN) flight tickets cheaper when they're purchased at the last minute? > Flight tickets from SUN to DEN are available up to 12 months before departure on Expedia. And although you may score a great last-minute deal, it's not something you should bank on. Also, booking your flights ahead of time means you'll have more choices — and you can avoid being wedged in the dreaded middle seat! 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[Flights from Mexico City (MEX) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/mex/cos/mexico-city-to-colorado-springs) - [Flights from Manchester (MHT) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/mht/cos/manchester-to-colorado-springs) - [Flights from Miami (MIA) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/mia/cos/miami-to-colorado-springs) - [Flights from Milan (MIL) to Denver (APA)](https://www.expedia.co.uk/lp/flights/mil/apa/milan-to-denver) - [Flights from Madison (MSN) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/msn/cos/madison-to-colorado-springs) - [Flights from Munich (MUC) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/muc/cos/munich-to-colorado-springs) - [Flights from Nairobi (NBO) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/nbo/cos/nairobi-to-colorado-springs) - [Flights from Newcastle (NCL) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/ncl/cos/newcastle-to-colorado-springs) - [Flights from Newcastle (NCS) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/ncs/cos/newcastle-to-colorado-springs) - [Flights from Norwich (NWI) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/nwi/cos/norwich-to-colorado-springs) - [Flights from Oklahoma City (OKC) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/okc/cos/oklahoma-city-to-colorado-springs) - [Flights from Chicago (ORD) to Boulder (WBU)](https://www.expedia.co.uk/lp/flights/ord/wbu/chicago-to-boulder) - [Flights from Norfolk (ORF) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/orf/cos/norfolk-to-colorado-springs) - [Flights from Paris (ORY) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/ory/cos/paris-to-colorado-springs) - [Flights from Penang (PEN) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/pen/cos/penang-to-colorado-springs) - [Flights from Philadelphia (PHL) to Greeley (GXY)](https://www.expedia.co.uk/lp/flights/phl/gxy/philadelphia-to-greeley) - [Flights from Phoenix (PHX) to Boulder (WBU)](https://www.expedia.co.uk/lp/flights/phx/wbu/phoenix-to-boulder) - [Flights from Pittsburgh (PIT) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/pit/cos/pittsburgh-to-colorado-springs) - [Flights from Port of Spain (POS) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/pos/cos/port-of-spain-to-colorado-springs) - [Flights from Panama City (PTY) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/pty/cos/panama-city-to-colorado-springs) - [Flights from Raleigh (RDU) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/rdu/cos/raleigh-to-colorado-springs) - [Flights from Richmond (RIC) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/ric/cos/richmond-to-colorado-springs) - [Flights from Rochester (ROC) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/roc/cos/rochester-to-colorado-springs) - [Flights from Riyadh (RUH) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/ruh/cos/riyadh-to-colorado-springs) - [Flights from San Diego (SAN) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/san/cos/san-diego-to-colorado-springs) - [Flights from Spokane (SFF) to Boulder (WBU)](https://www.expedia.co.uk/lp/flights/sff/wbu/spokane-to-boulder) - [Flights from San Jose (SJC) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/sjc/cos/san-jose-to-colorado-springs) - [Flights from San Juan (SJU) to Fort Collins (FNL)](https://www.expedia.co.uk/lp/flights/sju/fnl/san-juan-to-fort-collins) - [Flights from Orange County (SNA) to Boulder (WBU)](https://www.expedia.co.uk/lp/flights/sna/wbu/orange-county-to-boulder) - [Flights from Southampton (SOU) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/sou/cos/southampton-to-colorado-springs) - [Flights from Newburgh (SWF) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/swf/cos/newburgh-to-colorado-springs) - [Flights from Syracuse (SYR) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/syr/cos/syracuse-to-colorado-springs) - [Flights from Edmonton (YEG) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/yeg/cos/edmonton-to-colorado-springs) - [Flights from Montreal (YUL) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/yul/cos/montreal-to-colorado-springs) - [Flights from Zakynthos (ZTH) to Colorado Springs (COS)](https://www.expedia.co.uk/lp/flights/zth/cos/zakynthos-to-colorado-springs) \*Available to Expedia members.