$106+ Cheap flights from Idaho Falls to Denver (IDA - DEN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — DEN
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Idaho Falls to Denver with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Idaho Falls Fanning Field to Denver Intl are usually found in March or May, booked 33 days in advance, depart on a Thursday or Saturday and return on a Saturday
Cheap flight deals from Idaho Falls to Denver
Cheapest
Best
Last-minute
One-way
Cheapest flights from Idaho Falls to DenverExplore the most affordable flight options available from Idaho Falls to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Idaho Falls to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:47 pm -
1 stop14h 01m
Wed 11/1810:29 pm -
1 stop12h 42m
Deal found 10/22![Multiple Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:47 pm -
2 stops36h 35m
Mon 11/239:21 am -
1 stop12h 14m
Deal found 10/24![Multiple Airlines logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:28 am -
1 stop13h 21m
Thu 12/1010:42 pm -
1 stop10h 56m
Deal found 10/20![Multiple Airlines logo]()
$240
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:10 pm -
Nonstop1h 49m
Thu 12/108:00 am -
Nonstop1h 51m
Deal found 10/20![United Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:00 am -
Nonstop1h 55m
Sat 11/2812:20 am -
Nonstop1h 47m
Deal found 10/23![United Airlines logo]()
$333
Best flights from Idaho Falls to DenverDiscover carefully curated flight deals from Idaho Falls to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Idaho Falls to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:00 am -
Nonstop1h 55m
Sat 11/288:00 am -
Nonstop1h 53m
Deal found 10/22![United Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:00 am -
1 stop5h 56m
Mon 11/96:10 pm -
1 stop3h 49m
Deal found 10/23![Delta logo]()
$464
This Alaska Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/143:58 pm -
1 stop5h 11m
Mon 1/182:55 pm -
1 stop22h 24m
Deal found 10/20![Alaska Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/187:00 am -
Nonstop1h 46m
Mon 1/48:00 am -
Nonstop1h 54m
Deal found 10/20![United Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/235:30 pm -
Nonstop1h 50m
Sat 11/288:00 am -
Nonstop1h 53m
Deal found 10/20![United Airlines logo]()
$409
This Alaska Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/153:58 pm -
1 stop22h 09m
Tue 1/193:05 pm -
2 stops22h 14m
Deal found 10/21![Alaska Airlines logo]()
$483
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/257:00 am -
Nonstop1h 46m
Wed 12/307:35 pm -
Nonstop1h 44m
Deal found 10/23![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/147:00 am -
Nonstop1h 48m
Mon 1/187:25 pm -
Nonstop1h 45m
Deal found 10/20![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/157:00 am -
Nonstop1h 48m
Tue 1/1911:45 am -
Nonstop1h 43m
Deal found 10/22![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:30 pm -
Nonstop1h 50m
Tue 11/1711:46 am -
Nonstop1h 42m
Deal found 10/24![United Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:35 am -
Nonstop1h 50m
Thu 12/311:55 am -
Nonstop1h 42m
Deal found 10/25![United Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:30 pm -
Nonstop1h 50m
Tue 11/101:50 pm -
Nonstop1h 48m
Deal found 10/20![United Airlines logo]()
$424
Last-minute flights from Idaho Falls to DenverDiscover last-minute flight deals from Idaho Falls to Denver. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho Falls to Denver. Data last updated October 25, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:47 pm -
1 stop14h 01m
Wed 11/1810:29 pm -
1 stop12h 42m
Deal found 10/22![Multiple Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:47 pm -
2 stops36h 35m
Mon 11/239:21 am -
1 stop12h 14m
Deal found 10/24![Multiple Airlines logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2010:25 pm -
1 stop16h 36m
Tue 12/18:46 pm -
2 stops42h 29m
Deal found 10/25![Multiple Airlines logo]()
$310
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:30 pm -
Nonstop1h 50m
Sat 11/288:00 am -
Nonstop1h 53m
Deal found 10/22![United Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:25 pm -
1 stop11h 18m
Tue 12/18:46 pm -
2 stops42h 29m
Deal found 10/25![Multiple Airlines logo]()
$318
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/232:35 pm -
Nonstop1h 45m
Mon 11/308:00 am -
Nonstop1h 53m
Deal found 10/21![United Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:00 am -
Nonstop1h 55m
Sat 11/2812:20 am -
Nonstop1h 47m
Deal found 10/23![United Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2512:36 pm -
1 stop26h 30m
Wed 12/210:50 pm -
1 stop16h 25m
Deal found 10/21![Multiple Airlines logo]()
$338
One-way flights from Idaho Falls to DenverSearch for one-way flight options from Idaho Falls to Denver. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Idaho Falls to Denver. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/612:08 pm -
1 stop11h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:28 am -
1 stop13h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/117:48 pm -
2 stops22h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/312:08 pm -
1 stop11h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/217:49 pm -
1 stop28h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:52 am -
1 stop27h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$151
Find flight deals from Idaho Falls to Denver
Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $224 (Kiwi.com) |
One-way from | $106 (Kiwi.com) |
Popular in | July |
Cheapest in | March |
Average price | $369 |
Good round-trip deal | $394 or less |
Good one-way deal | $282 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Idaho Falls to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 25, 2026.
Use the filters below to find and compare flights from Idaho Falls to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Idaho FallsDenver
IDA Idaho Falls Fanning Field - DEN Denver Intl
IDADEN
Idaho Falls Fanning Field
Sun 12/6
12:08 pm-12:20 pm
1 stop24h 12m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$118
Idaho FallsDenver
IDA Idaho Falls Fanning Field - DEN Denver Intl
IDADEN
Idaho Falls Fanning Field
Fri 11/13
8:52 am-11:59 am
1 stop27h 07m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$151
Idaho FallsDenver
IDA Idaho Falls Fanning Field - DEN Denver Intl
IDADEN
Idaho Falls Fanning Field
Sat 12/5
3:44 pm-12:56 pm
2 stops21h 12m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$225
Idaho FallsDenver
IDA Idaho Falls Fanning Field - DEN Denver Intl
IDADEN
Idaho Falls Fanning Field
Thu 11/12
9:02 am-11:44 pm
2 stops14h 42m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$267
Quickest round-trip
Idaho FallsDenver
IDA Idaho Falls Fanning Field - DEN Denver Intl
IDADEN
Idaho Falls Fanning Field
Thu 11/12
2:35 pm-4:20 pm
Nonstop1h 45m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$279
Idaho FallsDenver
IDA Idaho Falls Fanning Field - DEN Denver Intl
IDADEN
Idaho Falls Fanning Field
Fri 12/4
10:40 am-12:28 pm
Nonstop1h 48m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$279
Idaho FallsDenver
IDA Idaho Falls Fanning Field - DEN Denver Intl
IDADEN
Idaho Falls Fanning Field
Thu 12/3
2:40 pm-4:25 pm
Nonstop1h 45m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$279
Idaho FallsDenver
IDA Idaho Falls Fanning Field - DEN Denver Intl
IDADEN
Idaho Falls Fanning Field
Sun 12/6
6:35 am-8:32 am
Nonstop1h 57m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$279
Idaho FallsDenver
IDA Idaho Falls Fanning Field - DEN Denver Intl
IDADEN
Idaho Falls Fanning Field
Wed 11/25
5:30 pm-7:20 pm
Nonstop1h 50m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$279
Idaho FallsDenver
IDA Idaho Falls Fanning Field - DEN Denver Intl
IDADEN
Idaho Falls Fanning Field
Fri 11/13
7:00 am-8:55 am
Nonstop1h 55m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$279
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Idaho Falls to Denver
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Denver in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Idaho Falls-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Denver flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Idaho Falls-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Idaho Falls to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Idaho Falls with our price prediction graph.
IDA-DEN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Idaho Falls to Denver
How far ahead should I book a flight from Idaho Falls to Denver?
The price you pay for your flight from Idaho Falls to Denver may vary depending on when you book. For the best chance of a lower fare, look to book 32 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Idaho Falls to Denver?
Currently, March is the cheapest month in which you can book a flight from Idaho Falls to Denver (average of $220). Flying from Idaho Falls to Denver in July is currently the most expensive (average of $407). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IDA to DEN?
Find hourly flight availability from Idaho Falls to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 25, 2026.
When flying from Idaho Falls to Denver, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 37% versus a flight in the morning.
Reviews of airlines servicing Denver
Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated October 25, 2026.
Get a feel of what it's like to fly with United Airlines from Idaho Falls to Denver by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.7
Comfort
7.3
Boarding
7.7
Crew
8.1
Overall
7.3
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Food
6.7
Comfort
7.3
Boarding
7.7
Crew
8.1
Overall
7.3
Entertainment
7.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Related info for your journey
Find useful and relevant information for your journey from Idaho Falls to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Westminster
Lakewood
Centennial
Broomfield
Englewood
Golden
Black Hawk
Wheat Ridge
Silverthorne
Fort Morgan
Greeley
Frisco
Winter Park
Limon
Central City
Manitou Springs
Glendale
Cripple Creek
Evergreen
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Idaho Falls to Denver
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Complete your trip
Complete your trip to Denver by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Denver
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
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Find flights from Idaho Falls to Denver, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho Falls and Denver flights
Browse other Idaho Falls and Denver flight options. Last updated on October 25, 2026.
Other flights from Idaho Falls
Browse through other flights departing from Idaho Falls. Flights are based on user searches made on Cheapflights and were last updated on October 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Idaho Falls to Denver
Discover the top airline that operate flights from Idaho Falls to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$189 | Average$323 | FlexibilityNo cancel fee | On-time69% |