Title: £124 Cheap Flights from Idaho Falls to Denver (IDA 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://images.trvl-media.com/place/178254/7cc57818-0302-43a8-831e-86e04b8cc6a7.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

# £124 Cheap Flights from Idaho Falls (IDA) to Denver (DEN)

[View £124 flight on Mon, 3 Nov 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:IDA,to:DEN,departure:03/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:124.00&airProductToken=AQpeCi0IwaYBEgQzNDExGGggkgEokYv8AjCSjPwCOFhAAFgBagJTVnIIUUgyT0FVQk4KLQjBpgESAzY4MhiSASCDaSjljPwCMI-O_AI4WEABWAFqAlNWcghHSDJPQVZCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE)

-   [Return](?flightType=roundtrip)
-   [One-way](?flightType=oneway)
-   [Multi-city](?flightType=multicity)

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## Popular airlines from Idaho Falls Regional Airport (IDA) to Denver International Airport (DEN)

-   ![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:ida,to:den,departure:29/10/2025TANYT&leg2=from:den,to:ida,departure:05/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}])
-   ![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:ida,to:den,departure:29/10/2025TANYT&leg2=from:den,to:ida,departure:05/11/2025TANYT&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:ida,to:den,departure:29/10/2025TANYT&leg2=from:den,to:ida,departure:05/11/2025TANYT&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:ida,to:den,departure:29/10/2025TANYT&leg2=from:den,to:ida,departure:05/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}])
-   ![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:ida,to:den,departure:29/10/2025TANYT&leg2=from:den,to:ida,departure:05/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"HA"}}])

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## Cheap Flights from Idaho Falls (IDA) to Denver (DEN)

Prices were available within the past 7 days and start at £124 for one-way flights and £266 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)

Wed, 14 Jan - Wed, 21 Jan

IDA

Idaho Falls

DEN

Denver

£266

Return

found 4 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IDA,to:DEN,departure:14/01/2026TANYT&leg2=from:DEN,to:IDA,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:265.80&airProductToken=AQqOAQotCMGmARIEMjIxMRhoIJIBKMC2ggMwwreCAzhYQABYAWoCU1ZyCE9IMk9RSkJOCi0IwaYBEgM2MjEYkgEgkmgo2biCAzCBuoIDOFhAAVgBagJTVnIIT0gyT1FKQk4KLgjBpgESBDMwNDYYkmggg2komryCAzDDvYIDOFhAAVgBagJTVnIIR0gyT1hVQk4KjgEKLgjBpgESBDMwMjEYg2kgkmgo6ISDAzCOhoMDOFhAAFgBagJTVnIIR0gyT1hVQk4KLQjBpgESAzY4MxiSaCCSASiBiYMDML-KgwM4WEABWAFqAlNWcghPSDJPUUpCTgotCMGmARIEMjIxNRiSASBoKLuLgwMwooyDAzhYQAFYAWoCU1ZyCE9IMk9RSkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ)

![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

IDA

Idaho Falls

DEN

Denver

£276

Return

found 4 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IDA,to:DEN,departure:14/01/2026TANYT&leg2=from:DEN,to:IDA,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:275.90&airProductToken=AQqOAQotCMGmARIEMjIxMRhoIJIBKMC2ggMwwreCAzhYQABYAWoCU1ZyCE9IMk9RSkJOCi0IwaYBEgM2MjEYkgEgkmgo2biCAzCBuoIDOFhAAVgBagJTVnIIT0gyT1FKQk4KLgjBpgESBDMwNDYYkmggg2komryCAzDDvYIDOFhAAVgBagJTVnIIR0gyT1hVQk4KXgotCMGmARIDNjQzGINpIJIBKKiEgwMw54WDAzhYQABYAWoCU1ZyCFFIMk9YVUJOCi0IwaYBEgQyMDg2GJIBIGgo54iDAzDOiYMDOFhAAVgBagJTVnIIUUgyT1hVQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB)

![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

IDA

Idaho Falls

DEN

Denver

£306

Return

found 4 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IDA,to:DEN,departure:08/01/2026TANYT&leg2=from:DEN,to:IDA,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:306.00&airProductToken=AQpeCi0IwaYBEgQyMjExGGggkgEogPOBAzCC9IEDOFhAAFgBagJTVnIIUUgyT0FVQk4KLQjBpgESAzc4NhiSASCDaSiO9YEDMLH2gQM4WEABWAFqAlNWcghRSDJPQVVCTgqOAQouCMGmARIEMzAyMRiDaSCSaCiowYIDMM7CggM4WEAAWAFqAlNWcghHSDJPQVVCTgotCMGmARIDNjgzGJJoIJIBKMHFggMw_8aCAzhYQAFYAWoCU1ZyCE9IMk9RSkJOCi0IwaYBEgQyMjE1GJIBIGgo-8eCAzDiyIIDOFhAAVgBagJTVnIIT0gyT1FKQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB)

![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

IDA

Idaho Falls

DEN

Denver

£330

Return

found 4 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IDA,to:DEN,departure:08/01/2026TANYT&leg2=from:DEN,to:IDA,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:330.00&airProductToken=AQpeCi0IwaYBEgQyMjExGGggkgEogPOBAzCC9IEDOFhAAFgBagJTVnIIUUgyT0FVQk4KLQjBpgESAzc4NhiSASCDaSiO9YEDMLH2gQM4WEABWAFqAlNWcghRSDJPQVVCTgpeCi0IwaYBEgM2MzMYg2kgkgEo8sOCAzCvxYIDOFhAAFgBagJTVnIIUUgyT0FVQk4KLQjBpgESBDIyMTUYkgEgaCj7x4IDMOLIggM4WEABWAFqAlNWcghRSDJPQVVCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE)

![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

IDA

Idaho Falls

DEN

Denver

£334

Return

found 4 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IDA,to:DEN,departure:09/01/2026TANYT&leg2=from:DEN,to:IDA,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:333.90&airProductToken=AQqOAQotCMGmARIEMjIxMRhoIJIBKKD-gQMwov-BAzhYQABYAWoCU1ZyCFFIMk9BVUJOCi0IwaYBEgM2OTcYkgEgkmgonoKCAzDEg4IDOFhAAVgBagJTVnIIR0gyWUFVQk4KLgjBpgESBDMwNDYYkmggg2ko-oOCAzCjhYIDOFhAAVgBagJTVnIIR0gyWUFVQk4KXgotCMGmARIDNjMzGINpIJIBKJXPggMw0tCCAzhYQABYAWoCU1ZyCFFIMk9BVUJOCi0IwaYBEgQyMjE1GJIBIGgom9OCAzCC1IIDOFhAAVgBagJTVnIIUUgyT0FVQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB)

![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

IDA

Idaho Falls

DEN

Denver

£348

Return

found 4 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IDA,to:DEN,departure:12/01/2026TANYT&leg2=from:DEN,to:IDA,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:347.90&airProductToken=AQqQAQotCMGmARIEMjAxMBhoIJIBKNakggMw0KWCAzhYQABYAWoCU1ZyCFFIMk9BSkJOCi8IwaYBEgQyMDkzGJIBIO-4ASiTp4IDMMmnggM4WEABWAFqAlNWcghRSDJPQUpCTgouCMGmARIDNjg0GO-4ASCDaSj5qoIDMJGsggM4WEABWAFqAlNWcghPSDJPWFVCTgpeCi0IwaYBEgM2NDMYg2kgkgEo6O2CAzCn74IDOFhAAFgBagJTVnIIUUgyT0FVQk4KLQjBpgESBDIwODYYkgEgaCin8oIDMI7zggM4WEABWAFqAlNWcghRSDJPQVVCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE)

![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

IDA

Idaho Falls

DEN

Denver

£353

Return

found 4 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IDA,to:DEN,departure:11/01/2026TANYT&leg2=from:DEN,to:IDA,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:352.90&airProductToken=AQqOAQotCMGmARIEMjIxMRhoIJIBKOCUggMw4pWCAzhYQABYAWoCU1ZyCFFIMk9BVUJOCi0IwaYBEgM2OTcYkgEgkmgo3piCAzCEmoIDOFhAAVgBagJTVnIIT0gyT0FKQk4KLgjBpgESBDMwNDYYkmggg2koupqCAzDjm4IDOFhAAVgBagJTVnIIT0gyT0FKQk4KkAEKLgjBpgESAzY4NBiDaSDvuAEo6eSCAzCZ5oIDOFhAAFgBagJTVnIIT0gyWUFVQk4KLwjBpgESBDEzMTgY77gBIJIBKP_nggMwxuiCAzhYQAFYAWoCU1ZyCE9IMllBVUJOCi0IwaYBEgQyMjE1GJIBIGgo2-mCAzDC6oIDOFhAAVgBagJTVnIIUUgyT0FVQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB)

![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

IDA

Idaho Falls

DEN

Denver

£356

Return

found 4 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IDA,to:DEN,departure:12/01/2026TANYT&leg2=from:DEN,to:IDA,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:355.40&airProductToken=AQqQAQotCMGmARIEMjAxMBhoIJIBKNakggMw0KWCAzhYQABYAWoCU1ZyCFFIMk9BSkJOCi8IwaYBEgQyMDkzGJIBIO-4ASiTp4IDMMmnggM4WEABWAFqAlNWcghRSDJPQUpCTgouCMGmARIDNjg0GO-4ASCDaSj5qoIDMJGsggM4WEABWAFqAlNWcghPSDJPWFZCTgpeCi0IwaYBEgM3ODUYg2kgkgEoyfKCAzCD9IIDOFhAAFgBagJTVnIITkg1T0NWQk4KLQjBpgESBDIyMTUYkgEgaCj79IIDMOL1ggM4WEABWAFqAlNWcghRSDJPQVVCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE)

![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

IDA

Idaho Falls

DEN

Denver

£361

Return

found 4 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IDA,to:DEN,departure:09/01/2026TANYT&leg2=from:DEN,to:IDA,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:360.10&airProductToken=AQpeCi0IwaYBEgQyMjExGGggkgEooP6BAzCi_4EDOFhAAFgBagJTVnIIUUgyT0FVQk4KLQjBpgESAzc4NhiSASCDaSiugIIDMNGBggM4WEABWAFqAlNWcghTSDJPQVZCTgpeCi0IwaYBEgM3ODUYg2kgkgEo6dCCAzCj0oIDOFhAAFgBagJTVnIIUUgyT0FVQk4KLQjBpgESBDIyMTUYkgEgaCib04IDMILUggM4WEABWAFqAlNWcghRSDJPQVVCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE)

![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

IDA

Idaho Falls

DEN

Denver

£364

Return

found 4 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IDA,to:DEN,departure:11/01/2026TANYT&leg2=from:DEN,to:IDA,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:364.00&airProductToken=AQpeCi0IwaYBEgQyMjExGGggkgEo4JSCAzDilYIDOFhAAFgBagJTVnIIUUgyT0FVQk4KLQjBpgESAzc4NhiSASCDaSjuloIDMJGYggM4WEABWAFqAlNWcghTSDJPQVZCTgqQAQouCMGmARIDNjg0GINpIO-4ASjp5IIDMJnmggM4WEAAWAFqAlNWcghPSDJZQVVCTgovCMGmARIEMTMxOBjvuAEgkgEo_-eCAzDG6IIDOFhAAVgBagJTVnIIT0gyWUFVQk4KLQjBpgESBDIyMTUYkgEgaCjb6YIDMMLqggM4WEABWAFqAlNWcghRSDJPQVVCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE)

![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

IDA

Idaho Falls

DEN

Denver

£366

Return

found 4 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IDA,to:DEN,departure:14/01/2026TANYT&leg2=from:DEN,to:IDA,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:365.10&airProductToken=AQqOAQotCMGmARIEMjIxMRhoIJIBKMC2ggMwwreCAzhPQABYAWoCTUFyCE9IMk9DSk1OCi0IwaYBEgM2MjEYkgEgkmgo2biCAzCBuoIDOE9AAVgBagJNQXIIT0gyT0NKTU4KLgjBpgESBDMwNDYYkmggg2komryCAzDDvYIDOEdAAVgBagJNQXIIR0gyT1hVTU4KXgotCMGmARIDNzg1GINpIJIBKImJgwMww4qDAzhRQABYAWoCTUFyCFFIMk9YVU1OCi0IwaYBEgQyMjE1GJIBIGgou4uDAzCijIMDOFFAAVgBagJNQXIIUUgyRVhVTU4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB)

![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

IDA

Idaho Falls

DEN

Denver

£368

Return

found 4 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IDA,to:DEN,departure:12/01/2026TANYT&leg2=from:DEN,to:IDA,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:367.60&airProductToken=AQpeCi0IwaYBEgQyMjExGGggkgEogKCCAzCCoYIDOFhAAFgBagJTVnIIUUgyT0FVQk4KLQjBpgESAzc4NhiSASCDaSiOooIDMLGjggM4WEABWAFqAlNWcghTSDVPQ1ZCTgpeCi0IwaYBEgM3ODUYg2kgkgEoyfKCAzCD9IIDOFhAAFgBagJTVnIITkg1T0NWQk4KLQjBpgESBDIyMTUYkgEgaCj79IIDMOL1ggM4WEABWAFqAlNWcghRSDJPQVVCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE)

![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

IDA

Idaho Falls

DEN

Denver

£372

Return

found 4 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IDA,to:DEN,departure:14/01/2026TANYT&leg2=from:DEN,to:IDA,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:371.10&airProductToken=AQqOAQotCMGmARIEMjIxMRhoIJIBKMC2ggMwwreCAzhPQABYAWoCTUFyCE9IMk9DSk1OCi0IwaYBEgM2MjEYkgEgkmgo2biCAzCBuoIDOE9AAVgBagJNQXIIT0gyT0NKTU4KLgjBpgESBDMwNDYYkmggg2komryCAzDDvYIDOEdAAVgBagJNQXIIR0gyT1hVTU4KjgEKLgjBpgESBDMwMjEYg2kgkmgo6ISDAzCOhoMDOEdAAFgBagJNQXIIR0gyT1hVTU4KLQjBpgESAzY4MxiSaCCSASiBiYMDML-KgwM4T0ABWAFqAk1BcghPSDJPQ0pNTgotCMGmARIEMjIxNRiSASBoKLuLgwMwooyDAzhPQAFYAWoCTUFyCE9IMk9DSk1OEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ)

![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

IDA

Idaho Falls

DEN

Denver

£381

Return

found 4 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IDA,to:DEN,departure:14/01/2026TANYT&leg2=from:DEN,to:IDA,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:380.10&airProductToken=AQqOAQotCMGmARIEMjIxMRhoIJIBKMC2ggMwwreCAzhPQABYAWoCTUFyCE9IMk9DSk1OCi0IwaYBEgM2MjEYkgEgkmgo2biCAzCBuoIDOE9AAVgBagJNQXIIT0gyT0NKTU4KLgjBpgESBDMwNDYYkmggg2komryCAzDDvYIDOEdAAVgBagJNQXIIR0gyT1hVTU4KXgotCMGmARIDNjQzGINpIJIBKKiEgwMw54WDAzhRQABYAWoCTUFyCFFIMk9YVU1OCi0IwaYBEgQyMDg2GJIBIGgo54iDAzDOiYMDOFFAAVgBagJNQXIIUUgyT1hVTU4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB)

![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

IDA

Idaho Falls

DEN

Denver

£394

Return

found 4 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IDA,to:DEN,departure:14/01/2026TANYT&leg2=from:DEN,to:IDA,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:393.70&airProductToken=AQqQAQotCMGmARIEMjAxMBhoIJIBKJa7ggMwkLyCAzhYQABYAWoCU1ZyCFFIMk9YVUJOCi8IwaYBEgQyMDkzGJIBIO-4ASjTvYIDMIm-ggM4WEABWAFqAlNWcghWSDRPQVZCTgouCMGmARIDNjg0GO-4ASCDaSi5wYIDMNHCggM4WEABWAFqAlNWcghRSDJPQVVCTgqOAQouCMGmARIEMTQ5MRiDaSCSaCj2hoMDMJWIgwM4WEAAWAFqAlNWcghHSDJPWFVCTgotCMGmARIDNjgzGJJoIJIBKIGJgwMwv4qDAzhYQAFYAWoCU1ZyCE9IMk9RSkJOCi0IwaYBEgQyMjE1GJIBIGgou4uDAzCijIMDOFhAAVgBagJTVnIIT0gyT1FKQk4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB)

![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

IDA

Idaho Falls

DEN

Denver

£396

Return

found 4 days ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IDA,to:DEN,departure:08/01/2026TANYT&leg2=from:DEN,to:IDA,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:395.20&airProductToken=AQpeCi0IwaYBEgQyMjExGGggkgEogPOBAzCC9IEDOFFAAFgBagJNQXIIUUgyRUFVTU4KLQjBpgESAzc4NhiSASCDaSiO9YEDMLH2gQM4UUABWAFqAk1BcghRSDJPQVVNTgqOAQouCMGmARIEMzAyMRiDaSCSaCiowYIDMM7CggM4R0AAWAFqAk1BcghHSDJPQVVNTgotCMGmARIDNjgzGJJoIJIBKMHFggMw_8aCAzhPQAFYAWoCTUFyCE9IMk9DSk1OCi0IwaYBEgQyMjE1GJIBIGgo-8eCAzDiyIIDOE9AAVgBagJNQXIIT0gyT0NKTU4SCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB)

![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif)

Mon, 6 Apr - Sun, 12 Apr

IDA

Idaho Falls

DEN

Denver

£497

Return

found 1 day ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IDA,to:DEN,departure:06/04/2026TANYT&leg2=from:DEN,to:IDA,departure:12/04/2026TANYT&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=AQpeCi0IwaYBEgQyMDEwGGggkgEo6NOJAzDV1IkDOFhAAFgBagJTVnIITkgyT0FTQk4KLQjBpgESAzY0MhiSASCDaSiP1okDMK3XiQM4WEABWAFqAlNWcghOSDVPQ1ZCTgpeCi0IwaYBEgM2NDMYg2kgkgEojJOKAzDHlIoDOFhAAFgBagJTVnIITUg0T0FWQk4KLQjBpgESBDIwMTgYkgEgaCiclooDMICXigM4WEABWAFqAlNWcghOSDJPQVNCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE)

![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif)

Mon, 6 Apr - Sun, 12 Apr

IDA

Idaho Falls

DEN

Denver

£542

Return

found 1 day ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:IDA,to:DEN,departure:06/04/2026TANYT&leg2=from:DEN,to:IDA,departure:12/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:541.80&airProductToken=AQpeCi0IwaYBEgQyMjExGGggkgEon8-JAzCV0IkDOFhAAFgBagJTVnIITkgyT0FTQk4KLQjBpgESAzc4NhiSASCDaSjc0okDMP3TiQM4WEABWAFqAlNWcghWSDJPQVZCTgpeCi0IwaYBEgM2NDMYg2kgkgEojJOKAzDHlIoDOFhAAFgBagJTVnIITUg0T0FWQk4KLQjBpgESBDIwMTgYkgEgaCiclooDMICXigM4WEABWAFqAlNWcghOSDJPQVNCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE)

## Find the cheapest month to fly from Idaho Falls (IDA) to Denver (DEN)

### May is typically the cheapest month to fly

From £141 - £411 per traveller.

## Frequently asked questions

### How much is a flight from IDA to DIA airport?

> Based on fares advertised within the last 7 days on Expedia for flights departing within the next year, round-trip flights from IDA to DIA airport start from £266. Book ASAP to secure the best price for your journey. Prices and availability are subject to change. Additional terms apply.

### Do I need to pay a cancellation fee if I cancel my flight from Idaho Falls Regional Airport (IDA) to DIA airport?

> Every air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033).

### How do I find cheap flights from IDA to DIA 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 IDA to Denver Airport flights, you'll see a "no change fees" filter for you to select.

### How far is the flight from Idaho Falls Regional Airport to Denver Airport?

> That movie you've been wanting to see will have to wait — the flight distance between Idaho Falls Regional Airport (IDA) and DEN is only 740 kilometres. The captain will be telling you to buckle up for touchdown before you know it.

### Which airlines fly direct from Idaho Falls Regional Airport to Denver Intl. Airport (DEN)?

> United Airlines (UA) will fly you from Idaho Falls Regional Airport to DEN comfortably and safely. You can choose from 86 flights each month on this route.

### Are IDA to DIA airport flight tickets cheaper when they're purchased at the last minute?

> It is possible to pick up an awesome last-minute deal from Idaho Falls Regional Airport to Denver Airport, but it's also possible to miss out altogether! As many airlines publish prices up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to book when you see a bargain. Expedia compares carrier prices and updates flight deals all the time, so you can feel confident knowing you're always seeing the latest offers.

## Travel information

| Origin airport | Idaho Falls Regional |
| --- | --- |
| Destination airport | Denver Intl. |
| Return price | £266 |
| Distance | 732 km |
| Average flight time | 1 hour 49 mins |

## Book with confidence

### Compare flights from Idaho Falls to Denver easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Idaho Falls to Denver. Operating between them 6 flights per day, 20 airlines cover the route. And Copa Airlines, 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 Idaho Falls Regional 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 Idaho Falls Regional (IDA) to Denver Intl. (DEN)

The easiest way to view the best deals on flights from Idaho Falls 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 Idaho Falls Regional to Denver Intl. start at just £266 and range up to £542.  

To find an even better deal, try  

-   being flexible on your dates – midweek flights can be cheaper
-   looking for other airports near Idaho Falls and Denver
-   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 Idaho Falls to Denver flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Idaho Falls Regional 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.  

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-   [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)

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