Title: £175 Cheap Flights from Chicago to Sun Valley (ORD 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) # £175 Cheap Flights from Chicago (ORD) to Sun Valley (SUN) [View £175 flight on Mon, 15 Dec 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:ORD,to:SUN,departure:15/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:174.20&airProductToken=AQqPAQouCMGmARIEMTQ0NxiuHCCSaCix5_8CML3p_wI4WEAAWAFqAlNWcghHSDJPQUpCTgotCMGmARIDNTc0GJJoIJIBKIvr_wIwzOz_AjhYQAFYAWoCU1ZyCEdIMk9BSkJOCi4IwaYBEgQyMTk5GJIBIJJtKIDw_wIw5PD_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 Chicago O'Hare International Airport (ORD) 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:ord,to:sun,departure:30/10/2025TANYT&leg2=from:sun,to:ord,departure:06/11/2025TANYT&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:ord,to:sun,departure:30/10/2025TANYT&leg2=from:sun,to:ord,departure:06/11/2025TANYT&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:ord,to:sun,departure:30/10/2025TANYT&leg2=from:sun,to:ord,departure:06/11/2025TANYT&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:ord,to:sun,departure:30/10/2025TANYT&leg2=from:sun,to:ord,departure:06/11/2025TANYT&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:ord,to:sun,departure:30/10/2025TANYT&leg2=from:sun,to:ord,departure:06/11/2025TANYT&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 Chicago (ORD) to Sun Valley (SUN) Prices were available within the past 7 days and start at £175 for one-way flights and £330 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 ORD Chicago SUN Sun Valley £330 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SUN,departure:09/01/2026TANYT&leg2=from:SUN,to:ORD,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:330.00&airProductToken=AQpfCi0IwaYBEgM1ODcYrhwgkgEoqP2BAzDG_4EDOFhAAFgBagJTVnIIR0gyT0FWQk4KLgjBpgESBDIyNDQYkgEgkm0ov4KCAzCeg4IDOFhAAVgBagJTVnIIU0gyT0FVQk4KXwouCMGmARIEMjM0NRiSbSCSASiwzoIDMKPPggM4WEAAWAFqAlNWcghPSDJPQVVCTgotCMGmARIDNTM4GJIBIK4cKM7RggMww9OCAzhYQAFYAWoCU1ZyCEdIMk9BVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![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 ORD Chicago SUN Sun Valley £338 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SUN,departure:08/01/2026TANYT&leg2=from:SUN,to:ORD,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:337.50&airProductToken=AQpfCi0IwaYBEgM1ODcYrhwgkgEoiPKBAzCm9IEDOFhAAFgBagJTVnIIR0gyT0FWQk4KLgjBpgESBDIyNDQYkgEgkm0on_eBAzD-94EDOFhAAVgBagJTVnIIU0gyT0FVQk4KXwouCMGmARIEMjM0NRiSbSCSASiQw4IDMIPEggM4WEAAWAFqAlNWcghPSDJPQVVCTgotCMGmARIDNTM4GJIBIK4cKK7GggMwo8iCAzhYQAFYAWoCU1ZyCE9IMk9BVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![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 ORD Chicago SUN Sun Valley £465 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SUN,departure:11/01/2026TANYT&leg2=from:SUN,to:ORD,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:464.40&airProductToken=AQpfCi0IwaYBEgM1ODcYrhwgkgEo6JOCAzCGloIDOFhAAFgBagJTVnIIUUgyT0FVQk4KLgjBpgESBDIyNDQYkgEgkm0o_5iCAzDemYIDOFhAAVgBagJTVnIIT0gyT0FVQk4KXwouCMGmARIEMjM0NRiSbSCSASjw5IIDMOPlggM4WEAAWAFqAlNWcghMSDRPQVNCTgotCMGmARIDNTM4GJIBIK4cKI7oggMwg-qCAzhYQAFYAWoCU1ZyCFFIMk9BVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![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 ORD Chicago SUN Sun Valley £480 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SUN,departure:09/01/2026TANYT&leg2=from:SUN,to:ORD,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=AQpfCi0IwaYBEgM1ODcYrhwgkgEoqP2BAzDG_4EDOEdAAFgBagJNQXIIR0gyT0FWTU4KLgjBpgESBDIyNDQYkgEgkm0ov4KCAzCeg4IDOFNAAVgBagJNQXIIU0gyRUFVTU4KXwouCMGmARIEMjM0NRiSbSCSASiwzoIDMKPPggM4T0AAWAFqAk1BcghPSDJFQVVNTgotCMGmARIDNTM4GJIBIK4cKM7RggMww9OCAzhHQAFYAWoCTUFyCEdIMk9BVk1OEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![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 ORD Chicago SUN Sun Valley £487 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SUN,departure:08/01/2026TANYT&leg2=from:SUN,to:ORD,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:487.00&airProductToken=AQpfCi0IwaYBEgM1ODcYrhwgkgEoiPKBAzCm9IEDOEdAAFgBagJNQXIIR0gyT0FWTU4KLgjBpgESBDIyNDQYkgEgkm0on_eBAzD-94EDOFNAAVgBagJNQXIIU0gyRUFVTU4KXwouCMGmARIEMjM0NRiSbSCSASiQw4IDMIPEggM4T0AAWAFqAk1BcghPSDJFQVVNTgotCMGmARIDNTM4GJIBIK4cKK7GggMwo8iCAzhPQAFYAWoCTUFyCE9IMk9BVk1OEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![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 ORD Chicago SUN Sun Valley £495 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SUN,departure:09/01/2026TANYT&leg2=from:SUN,to:ORD,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:494.50&airProductToken=AQpfCi0IwaYBEgM1ODcYrhwgkgEoqP2BAzDG_4EDOEdAAFgBagJNQXIIR0gyT0FWTU4KLgjBpgESBDIyNDQYkgEgkm0ov4KCAzCeg4IDOFNAAVgBagJNQXIIU0gyRUFVTU4KYAouCMGmARIEMjM2MhiSbSCSaCjbz4IDMO3QggM4TkAAWAFqAk1BcghOSDJFQVVNTgouCMGmARIEMTQ5MxiSaCCuHCim0YIDMLHTggM4R0ABWAFqAk1BcghHSDJPQVZNThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![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 ORD Chicago SUN Sun Valley £530 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SUN,departure:11/01/2026TANYT&leg2=from:SUN,to:ORD,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:530.00&airProductToken=AQpfCi0IwaYBEgM1ODcYrhwgkgEo6JOCAzCGloIDOFFAAFgBagJNQXIIUUgyT0FWTU4KLgjBpgESBDIyNDQYkgEgkm0o_5iCAzDemYIDOE9AAVgBagJNQXIIT0gyRUFVTU4KYAouCMGmARIEMjM2MhiSbSCSaCib5oIDMK3nggM4VkAAWAFqAk1BcghWSDJFQVNNTgouCMGmARIEMTQ5MxiSaCCuHCjm54IDMPHpggM4R0ABWAFqAk1BcghHSDdPQVZNThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![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 ORD Chicago SUN Sun Valley £614 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SUN,departure:11/01/2026TANYT&leg2=from:SUN,to:ORD,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:613.80&airProductToken=AQpfCi0IwaYBEgM1ODcYrhwgkgEo6JOCAzCGloIDOFFAAFgBagJNQXIIUUgyT0FWTU4KLgjBpgESBDIyNDQYkgEgkm0o_5iCAzDemYIDOE9AAVgBagJNQXIIT0gyRUFVTU4KXwouCMGmARIEMjM0NRiSbSCSASjw5IIDMOPlggM4TEAAWAFqAk1BcghMSDRFQVNNTgotCMGmARIDNTM4GJIBIK4cKI7oggMwg-qCAzhRQAFYAWoCTUFyCFFIMk9BVk1OEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![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 ORD Chicago SUN Sun Valley £625 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SUN,departure:09/01/2026TANYT&leg2=from:SUN,to:ORD,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:624.60&airProductToken=AQpfCi0IwaYBEgM1ODcYrhwgkgEoqP2BAzDG_4EDOEdAAFgBagJGTXIIR0gyT0FWTVIKLgjBpgESBDIyNDQYkgEgkm0ov4KCAzCeg4IDOFNAAVgBagJGTXIIU0gyRUFVTVIKXwouCMGmARIEMjM0NRiSbSCSASiwzoIDMKPPggM4T0AAWAFqAkZNcghPSDJFQVVNUgotCMGmARIDNTM4GJIBIK4cKM7RggMww9OCAzhHQAFYAWoCRk1yCEdIMk9BVk1SEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![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 ORD Chicago SUN Sun Valley £633 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SUN,departure:08/01/2026TANYT&leg2=from:SUN,to:ORD,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:632.10&airProductToken=AQpfCi0IwaYBEgM1ODcYrhwgkgEoiPKBAzCm9IEDOEdAAFgBagJGTXIIR0gyT0FWTVIKLgjBpgESBDIyNDQYkgEgkm0on_eBAzD-94EDOFNAAVgBagJGTXIIU0gyRUFVTVIKXwouCMGmARIEMjM0NRiSbSCSASiQw4IDMIPEggM4T0AAWAFqAkZNcghPSDJFQVVNUgotCMGmARIDNTM4GJIBIK4cKK7GggMwo8iCAzhPQAFYAWoCRk1yCE9IMk9BVk1SEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![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 ORD Chicago SUN Sun Valley £644 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SUN,departure:09/01/2026TANYT&leg2=from:SUN,to:ORD,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:643.90&airProductToken=AQpfCi0IwaYBEgM1ODcYrhwgkgEoqP2BAzDG_4EDOEdAAFgBagJGTXIIR0gyT0FWTVIKLgjBpgESBDIyNDQYkgEgkm0ov4KCAzCeg4IDOFNAAVgBagJGTXIIU0gyRUFVTVIKYAouCMGmARIEMjM2MhiSbSCSaCjbz4IDMO3QggM4TkAAWAFqAkZNcghOSDJFQVVNUgouCMGmARIEMTQ5MxiSaCCuHCim0YIDMLHTggM4T0ABWAFqAkZNcghPSDJPQVVNUhIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![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 ORD Chicago SUN Sun Valley £683 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SUN,departure:11/01/2026TANYT&leg2=from:SUN,to:ORD,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:682.60&airProductToken=AQpfCi0IwaYBEgM1ODcYrhwgkgEo6JOCAzCGloIDOFFAAFgBagJGTXIIUUgyT0FWTVIKLgjBpgESBDIyNDQYkgEgkm0o_5iCAzDemYIDOE9AAVgBagJGTXIIT0gyRUFVTVIKYAouCMGmARIEMjM2MhiSbSCSaCib5oIDMK3nggM4VkAAWAFqAkZNcghWSDJFQVNNUgouCMGmARIEMTQ5MxiSaCCuHCjm54IDMPHpggM4R0ABWAFqAkZNcghHSDdPQVZNUhIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Mon, 12 Jan - Mon, 19 Jan ORD Chicago SUN Sun Valley £693 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SUN,departure:12/01/2026TANYT&leg2=from:SUN,to:ORD,departure:19/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:692.30&airProductToken=AQpfCi0IwaYBEgM1ODcYrhwgkgEoiJ-CAzCmoYIDOEdAAFgBagJNQXIIR0gyT0FWTU4KLgjBpgESBDIyNDQYkgEgkm0on6SCAzD-pIIDOE9AAVgBagJNQXIIT0gyRUFVTU4KXwouCMGmARIEMjM0NRiSbSCSASiQ8IIDMIPxggM4SEAAWAFqAk1BcghISDBPQVNNTgotCMGmARIDNTM4GJIBIK4cKK7zggMwo_WCAzhHQAFYAWoCTUFyCEdIMk9BVk1OEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![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 ORD Chicago SUN Sun Valley £779 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SUN,departure:11/01/2026TANYT&leg2=from:SUN,to:ORD,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:778.30&airProductToken=AQpfCi0IwaYBEgM1ODcYrhwgkgEo6JOCAzCGloIDOFFAAFgBagJGTXIIUUgyT0FWTVIKLgjBpgESBDIyNDQYkgEgkm0o_5iCAzDemYIDOE9AAVgBagJGTXIIT0gyRUFVTVIKXwouCMGmARIEMjM0NRiSbSCSASjw5IIDMOPlggM4TEAAWAFqAkZNcghMSDRFQVNNUgotCMGmARIDNTM4GJIBIK4cKI7oggMwg-qCAzhRQAFYAWoCRk1yCFFIMk9BVU1SEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 3 Jul - Sun, 19 Jul ORD Chicago SUN Sun Valley £796 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SUN,departure:03/07/2026TANYT&leg2=from:SUN,to:ORD,departure:19/07/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:795.50&airProductToken=AQpfCi0IwaYBEgM0MDkYrhwgkgEoxrORAzDitZEDOFNAAFgBagJNQXIIU0gyT0FWTU4KLgjBpgESBDIxOTkYkgEgkm0orbmRAzCKupEDOFNAAVgBagJNQXIIU0gyRUFTTU4KXwouCMGmARIEMjM0NRiSbSCSASiU45IDMIHkkgM4TUAAWAFqAk1BcghNSDRFQVNNTgotCMGmARIDNTM4GJIBIK4cKJbnkgMwi-mSAzhTQAFYAWoCTUFyCFNIMk9BVk1OEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Fri, 3 Jul - Sun, 19 Jul ORD Chicago SUN Sun Valley £821 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SUN,departure:03/07/2026TANYT&leg2=from:SUN,to:ORD,departure:19/07/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:820.20&airProductToken=AQpfCi0IwaYBEgM0MDkYrhwgkgEoxrORAzDitZEDOFNAAFgBagJNQXIIU0gyT0FWTU4KLgjBpgESBDIxOTkYkgEgkm0orbmRAzCKupEDOFNAAVgBagJNQXIIU0gyRUFTTU4KXwouCMGmARIEMjM0NRiSbSCSASiU45IDMIHkkgM4TUAAWAFqAk1BcghNSDRPQUpNTgotCMGmARIDNDEwGJIBIK4cKJ3lkgMwl-eSAzhNQAFYAWoCTUFyCE1INE9BSk1OEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Mon, 12 Jan - Mon, 19 Jan ORD Chicago SUN Sun Valley £875 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ORD,to:SUN,departure:12/01/2026TANYT&leg2=from:SUN,to:ORD,departure:19/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:875.00&airProductToken=AQpfCi0IwaYBEgM1ODcYrhwgkgEoiJ-CAzCmoYIDOEdAAFgBagJGTXIIR0gyT0FWTVIKLgjBpgESBDIyNDQYkgEgkm0on6SCAzD-pIIDOE9AAVgBagJGTXIIT0gyRUFVTVIKXwouCMGmARIEMjM0NRiSbSCSASiQ8IIDMIPxggM4SEAAWAFqAkZNcghISDBPQVNNUgotCMGmARIDNTM4GJIBIK4cKK7zggMwo_WCAzhHQAFYAWoCRk1yCEdIMk9BVk1SEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ## Find the cheapest month to fly from Chicago (ORD) to Sun Valley (SUN) ### October is typically the cheapest month to fly From £189 - £575 per traveller. ## Frequently asked questions ### How much is a flight from O'Hare Airport to SUN? > If you're planning on travelling between O'Hare Intl. Airport (ORD) and Friedman Memorial Airport, round-trip flights start from £330. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year, so don't wait around. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from O'Hare Airport to Friedman Memorial Airport (SUN)? > We understand that things crop 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 ORD to SUN 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 O'Hare Intl. Airport (ORD) to Friedman Memorial Airport (SUN) flights, you'll see a "no change fees" filter for you to select. ### How many hours is the flight from O'Hare Intl. Airport (ORD) to Friedman Memorial Airport? > Consider bringing your own entertainment (like some downloaded podcasts), as it takes approximately 5 hours and 15 minutes to arrive at Friedman Memorial Airport (SUN) from ORD. A good pair of noise-cancelling headphones will also be useful. ### How far is the flight from O'Hare Airport to Friedman Memorial Airport? > The flight distance from O'Hare Airport to SUN is 2,200 kilometres. Pack yourself a drink, some snacks and an interesting book to read. Keep yourself entertained and the time will fly by. ### Which airlines fly direct from O'Hare Intl. Airport (ORD) to Friedman Memorial Airport (SUN)? > There are no direct flights, so you'll need to make at least one stop between O'Hare Intl. Airport (ORD) and Friedman Memorial Airport (SUN). Make the most of the layover time to stretch your legs and take a break. ### Are O'Hare Intl. Airport (ORD) to Friedman Memorial Airport (SUN) flight tickets cheaper when they're purchased at the last minute? > Last-minute bookings from O'Hare Intl. Airport (ORD) to SUN can be hit-or-miss. You may be able to score a great bargain, but then again, you could miss out entirely! If you'd rather start planning your trip ahead of time, Expedia compares flight deals up to a year in advance. Just bear in mind that not all airlines advertise their prices so far in advance. Our suggestion? Check back often as prices are updated frequently. ## Travel information | Origin airport | O'Hare Intl. | | --- | --- | | Destination airport | Friedman Memorial | | Return price | £330 | | Distance | 2140 km | ## Book with confidence ### Compare flights from Chicago to Sun Valley easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Chicago 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 O'Hare 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 O'Hare Intl. (ORD) to Friedman Memorial (SUN) The easiest way to view the best deals on flights from Chicago 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 O'Hare Intl. to Friedman Memorial start at just £330 and range up to £875.   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Chicago 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 Chicago to Sun Valley flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from O'Hare 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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