Title: £164 Cheap Flights from Denver to Sun Valley (DEN to SUN) - Expedia.co.uk ![Sun Valley which includes snow and mountains](https://images.trvl-media.com/place/601721/51c95a5a-e6e3-4998-9d4d-2f4efc0584d4.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Sun Valley Resort ![](https://images.trvl-media.com/place/601721/51c95a5a-e6e3-4998-9d4d-2f4efc0584d4.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £164 Cheap Flights from Denver (DEN) to Sun Valley (SUN) [View £164 flight on Tue, 16 Dec 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:DEN,to:SUN,departure:16/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:163.40&airProductToken=AQqPAQouCMGmARIEMTQyOBiDaSCSaCj39P8CMIf2_wI4WEAAWAFqAlNWcghHSDVPQUpCTgotCMGmARIDNTc0GJJoIJIBKKv2_wIw7Pf_AjhYQAFYAWoCU1ZyCEdINU9BSkJOCi4IwaYBEgQyMTk5GJIBIJJtKKD7_wIwhPz_AjhYQAFYAWoCU1ZyCE9IMk9BVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) - [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 Denver International Airport (DEN) to Sun Valley, ID (SUN-Friedman Memorial) - ![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:den,to:sun,departure:28/10/2025TANYT&leg2=from:sun,to:den,departure:04/11/2025TANYT&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:den,to:sun,departure:28/10/2025TANYT&leg2=from:sun,to:den,departure:04/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![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:den,to:sun,departure:28/10/2025TANYT&leg2=from:sun,to:den,departure:04/11/2025TANYT&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:den,to:sun,departure:28/10/2025TANYT&leg2=from:sun,to:den,departure:04/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![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:den,to:sun,departure:28/10/2025TANYT&leg2=from:sun,to:den,departure:04/11/2025TANYT&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 Denver (DEN) to Sun Valley (SUN) Prices were available within the past 7 days and start at £164 for one-way flights and £258 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, 9 Jan - Fri, 16 Jan DEN Denver SUN Sun Valley £258 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:SUN,departure:09/01/2026TANYT&leg2=from:SUN,to:DEN,departure:16/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:258.00&airProductToken=AQpfCi0IwaYBEgM2MzMYg2kgkgEotYCCAzDygYIDOFhAAFgBagJTVnIIUUg0T0FKQk4KLgjBpgESBDIyNDQYkgEgkm0ov4KCAzCeg4IDOFhAAVgBagJTVnIIUUg0T0FKQk4KXwouCMGmARIEMjM0NRiSbSCSASiwzoIDMKPPggM4WEAAWAFqAlNWcghPSDJPQVVCTgotCMGmARIDNjAyGJIBIINpKMrSggMw7NOCAzhYQAFYAWoCU1ZyCEdIMk9BVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, 8 Jan - Thu, 15 Jan DEN Denver SUN Sun Valley £289 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:SUN,departure:08/01/2026TANYT&leg2=from:SUN,to:DEN,departure:15/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:288.10&airProductToken=AQpfCi0IwaYBEgM2MzMYg2kgkgEokvWBAzDP9oEDOFhAAFgBagJTVnIITkg3T0FKQk4KLgjBpgESBDIyNDQYkgEgkm0on_eBAzD-94EDOFhAAVgBagJTVnIITkg3T0FKQk4KXwouCMGmARIEMjM0NRiSbSCSASiQw4IDMIPEggM4WEAAWAFqAlNWcghPSDJPQVVCTgotCMGmARIDNjAyGJIBIINpKKrHggMwzMiCAzhYQAFYAWoCU1ZyCEdIMk9BVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 9 Jan - Fri, 16 Jan DEN Denver SUN Sun Valley £348 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:SUN,departure:09/01/2026TANYT&leg2=from:SUN,to:DEN,departure:16/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:347.20&airProductToken=AQpfCi0IwaYBEgM2MzMYg2kgkgEotYCCAzDygYIDOFFAAFgBagJNQXIIUUgyT0FKTU4KLgjBpgESBDIyNDQYkgEgkm0ov4KCAzCeg4IDOFFAAVgBagJNQXIIUUgyT0FKTU4KXwouCMGmARIEMjM0NRiSbSCSASiwzoIDMKPPggM4T0AAWAFqAk1BcghPSDJFQVVNTgotCMGmARIDNjAyGJIBIINpKMrSggMw7NOCAzhHQAFYAWoCTUFyCEdIMk9BVk1OEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, 11 Jan - Sun, 18 Jan DEN Denver SUN Sun Valley £355 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:SUN,departure:11/01/2026TANYT&leg2=from:SUN,to:DEN,departure:18/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:354.70&airProductToken=AQpfCi0IwaYBEgM2MzMYg2kgkgEo8paCAzCvmIIDOFhAAFgBagJTVnIIUUg0T0FKQk4KLgjBpgESBDIyNDQYkgEgkm0o_5iCAzDemYIDOFhAAVgBagJTVnIIUUg0T0FKQk4KXwouCMGmARIEMjM0NRiSbSCSASjw5IIDMOPlggM4WEAAWAFqAlNWcghMSDRPQVNCTgotCMGmARIDNjAyGJIBIINpKIrpggMwrOqCAzhYQAFYAWoCU1ZyCE9IMk9BVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, 8 Jan - Thu, 15 Jan DEN Denver SUN Sun Valley £378 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:SUN,departure:08/01/2026TANYT&leg2=from:SUN,to:DEN,departure:15/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:377.30&airProductToken=AQpfCi0IwaYBEgM2MzMYg2kgkgEokvWBAzDP9oEDOE5AAFgBagJNQXIITkg3T0FKTU4KLgjBpgESBDIyNDQYkgEgkm0on_eBAzD-94EDOE5AAVgBagJNQXIITkg3T0FKTU4KXwouCMGmARIEMjM0NRiSbSCSASiQw4IDMIPEggM4T0AAWAFqAk1BcghPSDJFQVVNTgotCMGmARIDNjAyGJIBIINpKKrHggMwzMiCAzhHQAFYAWoCTUFyCEdIMk9BVk1OEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 9 Jan - Fri, 16 Jan DEN Denver SUN Sun Valley £385 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:SUN,departure:09/01/2026TANYT&leg2=from:SUN,to:DEN,departure:16/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:384.80&airProductToken=AQpfCi0IwaYBEgM2MzMYg2kgkgEotYCCAzDygYIDOFFAAFgBagJNQXIIUUgyT0FKTU4KLgjBpgESBDIyNDQYkgEgkm0ov4KCAzCeg4IDOFFAAVgBagJNQXIIUUgyT0FKTU4KYAouCMGmARIEMjM2MhiSbSCSaCjbz4IDMO3QggM4TkAAWAFqAk1BcghOSDJFQVVNTgouCMGmARIEMzA0NhiSaCCDaSja0oIDMIPUggM4UUABWAFqAk1BcghRSDJPQVZNThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, 11 Jan - Sun, 18 Jan DEN Denver SUN Sun Valley £396 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:SUN,departure:11/01/2026TANYT&leg2=from:SUN,to:DEN,departure:18/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:395.60&airProductToken=AQpfCi0IwaYBEgM2MzMYg2kgkgEo8paCAzCvmIIDOFFAAFgBagJNQXIIUUgyT0FKTU4KLgjBpgESBDIyNDQYkgEgkm0o_5iCAzDemYIDOFFAAVgBagJNQXIIUUgyT0FKTU4KYAouCMGmARIEMjM2MhiSbSCSaCib5oIDMK3nggM4VkAAWAFqAk1BcghWSDJFQVNNTgouCMGmARIEMzA0NhiSaCCDaSia6YIDMMPqggM4R0ABWAFqAk1BcghHSDJPQVVNThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, 14 Jan - Wed, 21 Jan DEN Denver SUN Sun Valley £435 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:SUN,departure:14/01/2026TANYT&leg2=from:SUN,to:DEN,departure:21/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:434.30&airProductToken=AQpgCi4IwaYBEgQzMDIxGINpIJJoKIi2ggMwrreCAzhRQABYAWoCTUFyCFFIMk9BVk1OCi4IwaYBEgQyMzYxGJJoIJJtKOC3ggMw8biCAzhRQAFYAWoCTUFyCFFIMkVYVU1OCl8KLgjBpgESBDIzNDUYkm0gkgEo0IaDAzDDh4MDOFNAAFgBagJNQXIIU0gyRVhVTU4KLQjBpgESAzYwMhiSASCDaSjqioMDMIyMgwM4R0ABWAFqAk1BcghHSDJPQVZNThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 9 Jan - Fri, 16 Jan DEN Denver SUN Sun Valley £442 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:SUN,departure:09/01/2026TANYT&leg2=from:SUN,to:DEN,departure:16/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:441.80&airProductToken=AQpgCi4IwaYBEgQzMDIxGINpIJJoKOj9gQMwjv-BAzhRQABYAWoCTUFyCFFIMk9BVk1OCi4IwaYBEgQyMzYxGJJoIJJtKMD_gQMw0YCCAzhOQAFYAWoCTUFyCE5IMkVBVU1OCl8KLgjBpgESBDIzNDUYkm0gkgEosM6CAzCjz4IDOE9AAFgBagJNQXIIT0gyRUFVTU4KLQjBpgESAzYwMhiSASCDaSjK0oIDMOzTggM4R0ABWAFqAk1BcghHSDJPQVZNThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, 11 Jan - Sun, 18 Jan DEN Denver SUN Sun Valley £444 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:SUN,departure:11/01/2026TANYT&leg2=from:SUN,to:DEN,departure:18/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:444.00&airProductToken=AQpfCi0IwaYBEgM2MzMYg2kgkgEo8paCAzCvmIIDOFFAAFgBagJNQXIIUUgyT0FKTU4KLgjBpgESBDIyNDQYkgEgkm0o_5iCAzDemYIDOFFAAVgBagJNQXIIUUgyT0FKTU4KXwouCMGmARIEMjM0NRiSbSCSASjw5IIDMOPlggM4TEAAWAFqAk1BcghMSDRFQVNNTgotCMGmARIDNjAyGJIBIINpKIrpggMwrOqCAzhPQAFYAWoCTUFyCE9IMk9BVk1OEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 9 Jan - Fri, 16 Jan DEN Denver SUN Sun Valley £456 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:SUN,departure:09/01/2026TANYT&leg2=from:SUN,to:DEN,departure:16/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:455.80&airProductToken=AQpfCi0IwaYBEgM2MzMYg2kgkgEotYCCAzDygYIDOFFAAFgBagJGTXIIUUg0T0FKTVIKLgjBpgESBDIyNDQYkgEgkm0ov4KCAzCeg4IDOFFAAVgBagJGTXIIUUg0T0FKTVIKXwouCMGmARIEMjM0NRiSbSCSASiwzoIDMKPPggM4T0AAWAFqAkZNcghPSDJFQVVNUgotCMGmARIDNjAyGJIBIINpKMrSggMw7NOCAzhHQAFYAWoCRk1yCEdIMk9BVk1SEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 9 Jan - Fri, 16 Jan DEN Denver SUN Sun Valley £480 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:SUN,departure:09/01/2026TANYT&leg2=from:SUN,to:DEN,departure:16/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:479.40&airProductToken=AQpgCi4IwaYBEgQzMDIxGINpIJJoKOj9gQMwjv-BAzhRQABYAWoCTUFyCFFIMk9BVk1OCi4IwaYBEgQyMzYxGJJoIJJtKMD_gQMw0YCCAzhOQAFYAWoCTUFyCE5IMkVBVU1OCmAKLgjBpgESBDIzNjIYkm0gkmgo28-CAzDt0IIDOE5AAFgBagJNQXIITkgyRUFVTU4KLgjBpgESBDMwNDYYkmggg2ko2tKCAzCD1IIDOFFAAVgBagJNQXIIUUgyT0FWTU4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, 11 Jan - Sun, 18 Jan DEN Denver SUN Sun Valley £487 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:SUN,departure:11/01/2026TANYT&leg2=from:SUN,to:DEN,departure:18/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:487.00&airProductToken=AQpgCi4IwaYBEgQzMDIxGINpIJJoKKiUggMwzpWCAzhPQABYAWoCTUFyCE9IMk9BVk1OCi4IwaYBEgQyMzYxGJJoIJJtKICWggMwkZeCAzhOQAFYAWoCTUFyCE5IMkVBVU1OCmAKLgjBpgESBDIzNjIYkm0gkmgom-aCAzCt54IDOFZAAFgBagJNQXIIVkgyRUFTTU4KLgjBpgESBDMwNDYYkmggg2komumCAzDD6oIDOEdAAVgBagJNQXIIR0gyT0FVTU4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Thu, 8 Jan - Thu, 15 Jan DEN Denver SUN Sun Valley £490 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:SUN,departure:08/01/2026TANYT&leg2=from:SUN,to:DEN,departure:15/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:489.10&airProductToken=AQpfCi0IwaYBEgM2MzMYg2kgkgEokvWBAzDP9oEDOE5AAFgBagJGTXIITkg3T0FKTVIKLgjBpgESBDIyNDQYkgEgkm0on_eBAzD-94EDOE5AAVgBagJGTXIITkg3T0FKTVIKXwouCMGmARIEMjM0NRiSbSCSASiQw4IDMIPEggM4T0AAWAFqAkZNcghPSDJFQVVNUgotCMGmARIDNjAyGJIBIINpKKrHggMwzMiCAzhHQAFYAWoCRk1yCEdIMk9BVk1SEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 9 Jan - Fri, 16 Jan DEN Denver SUN Sun Valley £497 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:SUN,departure:09/01/2026TANYT&leg2=from:SUN,to:DEN,departure:16/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:496.60&airProductToken=AQpfCi0IwaYBEgM2MzMYg2kgkgEotYCCAzDygYIDOFFAAFgBagJGTXIIUUg0T0FKTVIKLgjBpgESBDIyNDQYkgEgkm0ov4KCAzCeg4IDOFFAAVgBagJGTXIIUUg0T0FKTVIKYAouCMGmARIEMjM2MhiSbSCSaCjbz4IDMO3QggM4TkAAWAFqAkZNcghOSDJFQVVNUgouCMGmARIEMzA0NhiSaCCDaSja0oIDMIPUggM4UUABWAFqAkZNcghRSDJPQVZNUhIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, 14 Jan - Wed, 21 Jan DEN Denver SUN Sun Valley £498 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:SUN,departure:14/01/2026TANYT&leg2=from:SUN,to:DEN,departure:21/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:497.70&airProductToken=AQpgCi4IwaYBEgQzMDIxGINpIJJoKIi2ggMwrreCAzhRQABYAWoCTUFyCFFIMk9BVk1OCi4IwaYBEgQyMzYxGJJoIJJtKOC3ggMw8biCAzhRQAFYAWoCTUFyCFFIMkVYVU1OCmAKLgjBpgESBDIzNjIYkm0gkmgo-4eDAzCNiYMDOExAAFgBagJNQXIITEg0RUFTTU4KLgjBpgESBDMwNDYYkmggg2ko-oqDAzCjjIMDOEdAAVgBagJNQXIIR0gyT1hVTU4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sun, 11 Jan - Sun, 18 Jan DEN Denver SUN Sun Valley £508 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DEN,to:SUN,departure:11/01/2026TANYT&leg2=from:SUN,to:DEN,departure:18/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:507.40&airProductToken=AQpfCi0IwaYBEgM2MzMYg2kgkgEo8paCAzCvmIIDOFFAAFgBagJGTXIIUUg0T0FKTVIKLgjBpgESBDIyNDQYkgEgkm0o_5iCAzDemYIDOFFAAVgBagJGTXIIUUg0T0FKTVIKYAouCMGmARIEMjM2MhiSbSCSaCib5oIDMK3nggM4VkAAWAFqAkZNcghWSDJFQVNNUgouCMGmARIEMzA0NhiSaCCDaSia6YIDMMPqggM4R0ABWAFqAkZNcghHSDJPQVVNUhIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ## Find the cheapest month to fly from Denver (DEN) to Sun Valley (SUN) ### September is typically the cheapest month to fly From £155 - £471 per traveller. ## Frequently asked questions ### How much is a flight from DEN to Friedman Memorial Airport (SUN)? > The lowest price advertised for a round-trip flight from Denver Airport to SUN is £258. But you better get a move on. This price is based on fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from DIA airport to SUN? > We get that your situation can change 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 DEN to Friedman Memorial Airport 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 DIA airport to SUN flights, you'll see a "no change fees" filter for you to select. ### How many hours is the flight from Denver Intl. Airport (DEN) to Friedman Memorial Airport (SUN)? > The flight time from Denver Airport to Friedman Memorial Airport is about 3 hours and 42 minutes. Grab your headphones, listen to a gripping podcast and your trip will whiz by. ### How far is the flight from DIA airport to Friedman Memorial Airport (SUN)? > The flight distance from Denver Airport (DEN) to Friedman Memorial Airport (SUN) is just 900 kilometres. You'll be disembarking the plane and picking up your baggage from the carousel before you know it. ### Which airlines fly direct from Denver Intl. Airport (DEN) to Friedman Memorial Airport? > Check out the fares with United Airlines (UA) if you want to travel straight from Denver Intl. Airport (DEN) to SUN. This top airline offers 30 monthly flights, so you're sure to find one that fits your schedule. ### Are Denver Airport to Friedman Memorial Airport (SUN) flight tickets cheaper when they're purchased at the last minute? > Late planners can occasionally find a bargain, with some super cheap airfares from DIA airport to SUN emerging a few weeks before the departure date. If you'd rather book ahead of time, Expedia compares and updates all the best flight deals continually — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines issue prices so far in advance. ## Travel information | Origin airport | Denver Intl. | | --- | --- | | Destination airport | Friedman Memorial | | Return price | £258 | | Distance | 891 km | | Average flight time | 2 hours 2 mins | ## Book with confidence ### Compare flights from Denver to Sun Valley easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Denver to Sun Valley. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Friedman Memorial in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Denver Intl. to Friedman Memorial.   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 Denver Intl. (DEN) to Friedman Memorial (SUN) The easiest way to view the best deals on flights from Denver to Sun Valley 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 Denver Intl. to Friedman Memorial start at just £258 and range up to £508.   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Denver and Sun Valley - booking your flight during January, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Denver to Sun Valley flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Denver Intl. to Friedman Memorial 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. 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[Flights from Trollhattan (THN) to Boise (BOI)](https://www.expedia.co.uk/lp/flights/thn/boi/trollhattan-to-boise) - [Flights from Vancouver (YVR) to Boise (BOI)](https://www.expedia.co.uk/lp/flights/yvr/boi/vancouver-to-boise) - [Flights from Calgary (YYC) to Boise (BOI)](https://www.expedia.co.uk/lp/flights/yyc/boi/calgary-to-boise) - [Flights from Calgary (YYC) to Pocatello (PIH)](https://www.expedia.co.uk/lp/flights/yyc/pih/calgary-to-pocatello) - [Flights from Toronto (YYZ) to Boise (BOI)](https://www.expedia.co.uk/lp/flights/yyz/boi/toronto-to-boise) - [Hailey Holidays](https://www.expedia.co.uk/Hailey.d183166.Holidays-City-Breaks) - [Visit Hailey](https://www.expedia.co.uk/Hailey.dx183166) - [Visit Ketchum](https://www.expedia.co.uk/Ketchum.dx6093) - [Old alignment of Exhibition Ski Lift](https://www.expedia.co.uk/Old-Alignment-Of-Exhibition-Ski-Lift-Ketchum.d553248621563218817.Attraction) - [Quarter Dollar Ski Lift](https://www.expedia.co.uk/Quarter-Dollar-Ski-Lift-Sun-Valley.d747897078365683712.Attraction) - [Sun Valley Ski Resort](https://www.expedia.co.uk/Sun-Valley-Ski-Resort-Idaho.d6102064.Attraction) - [Sun Valley Holidays](https://www.expedia.co.uk/Sun-Valley.d601721.Holidays-City-Breaks) - [Visit Sun Valley](https://www.expedia.co.uk/Sun-Valley.dx601721) - [Car hire Hailey](https://www.expedia.co.uk/Compare-Cheap-Car-Hire-In-Hailey.d183166.Car-Hire-Guide) \*Available to Expedia members.