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Idaho Falls

$339+ Cheap flights from Colorado Springs to Idaho Falls (COS - IDA)

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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
COS — IDA
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap flight deals from Colorado Springs to Idaho Falls

Cheapest flights from Colorado Springs to Idaho Falls
Explore the most affordable flight options available from Colorado Springs to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This United Airlines deal was found by Cheapflights users on 2/9. 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 11/77:00 am
COS
-
IDA
1 stop6h 35m
United Airlines
Tue 11/102:35 pm
IDA
-
COS
1 stop6h 21m
United Airlines
Deal found 2/9$339
This Delta deal was found by Cheapflights users on 2/9. 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.
Fri 3/2712:10 pm
COS
-
IDA
1 stop6h 05m
Delta
Sun 3/295:45 am
IDA
-
COS
1 stop5h 39m
Delta
Deal found 2/9$484

Find flight deals from Colorado Springs to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Colorado Springs (COS) to Idaho Falls (IDA). 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 February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$279
(United Airlines)

Popular in

September

Cheapest in

June

Average price

$315
Provider with most accurate pricing for Colorado Springs-Idaho Falls Fanning Field flight deals.
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Provider most trusted by Cheapflights users for Colorado Springs-Idaho Falls Fanning Field flights.
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From Colorado Springs to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in February 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado Springs to Idaho Falls 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 2,558,603 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Colorado Springs to Idaho Falls that are best for you.

Fly from

Colorado Springs

Fly to

Idaho Falls

Route

Depart

Return

Price

Colorado SpringsIdaho Falls

COS - IDA

COSIDA

Colorado Springs

Fri 3/27

12:10 pm-6:15 pm

1 stop6h 05m

Idaho Falls Fanning Field

Sun 3/29

5:45 am-11:24 am

1 stop5h 39m

$484

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

  • Most accurate provider: When it comes to deals on Colorado Springs-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Colorado Springs-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Colorado Springs-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Colorado Springs-Idaho Falls 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 Colorado Springs-Idaho Falls 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 Colorado Springs to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Colorado Springs with our price prediction graph.
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 Colorado Springs to Idaho Falls

What is the cheapest month to book a flight from Colorado Springs to Idaho Falls?

Currently, May is the cheapest month in which you can book a flight from Colorado Springs to Idaho Falls (average of $37). Flying from Colorado Springs to Idaho Falls in November is currently the most expensive (average of $237). 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.

Related info for your journey

Find useful and relevant information for your journey from Colorado Springs to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Colorado Springs to Idaho Falls?

    For as low as $484, Delta can have you in Idaho Falls from Colorado Springs in 6h 05m. Airlines will cover a distance of 502 mi.

  • Can I find deals for flights from Colorado Springs to Idaho Falls that include hotel bookings?

    Yes. In addition to deals on Colorado Springs to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado Springs to Idaho Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado Springs to Idaho Falls.

  • Can I find deals for business class flights from Colorado Springs to Idaho Falls?

    Yes. Cheapflights offers flight deals from Colorado Springs to Idaho Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colorado Springs to Idaho Falls?

    Currently, May is the cheapest month in which you can book a flight from Colorado Springs to Idaho Falls (average of $37). Flying from Colorado Springs to Idaho Falls in November is currently the most expensive (average of $237). 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.

See more FAQs

Traveling to a place near Idaho Falls?

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Rexburg

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