What is the cheapest airline to fly from Colorado Springs to Idaho Falls round-trip?

United Airlines, at $249, was found to be the cheapest airline from Colorado Springs to Idaho Falls..

What is the cheapest day to fly from Colorado Springs to Idaho Falls?

Travelers seeking maximum savings on their Colorado Springs to Idaho Falls flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

If weather is an important factor for your trip to Idaho Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

How far in advance should I book a flight from Colorado Springs to Idaho Falls?

Travelers have found it’s best to book a flight 33 days in advance to save up to 565% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 33 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Colorado Springs to Idaho Falls 1-2 weeks in advance for as low as $364, or $559 for flights within the next 24 hours.

What is the cheapest month to fly from Colorado Springs to Idaho Falls?

The best pricing can be found in the month of June. Prices to Idaho Falls from Colorado Springs average $341. You can even find prices in June for less than $341, as users have found deals to Idaho Falls from as low as $82. The month of December appears to be one of the more expensive times to travel to Idaho Falls from Colorado Springs. Flying in the targeted month can save you up to 59%.

What is the cheapest time of day to fly from COS to IDA?

It’s optimal to fly from Colorado Springs to Idaho Falls in the morning. By choosing this option you can save up to 9% on the cost of your flight, compared to a flight at noon.

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.

$239+ Flights from Colorado Springs to Idaho Falls

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Cheap flight deals from Colorado Springs to Idaho Falls

Round-trip from	$249 (United Airlines)
One-way from	$239 (Delta)
Popular in	December
Cheapest in	June
Average price	$245

From Colorado Springs to Idaho Falls Fanning Field

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One-way flight from Colorado Springs to Idaho Falls Fanning Field

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Highest demand for flights based on searches. 21% potential increase in price ($93 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($19 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find 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 July 3, 2025.

Wed 7/305:20 pmCOS - IDA

1 stop5h 31mUnited Airlines

Wed 8/65:00 amIDA - COS

1 stop4h 06mUnited Airlines

Deal found 7/1

$249

Thu 7/310:52 amCOS - IDA

1 stop34h 21mAmerican Airlines

Thu 7/106:51 amIDA - COS

1 stop51h 02mAmerican Airlines

Deal found 7/3

$1,337

Best flights from Colorado Springs to Idaho Falls
Discover carefully curated flight deals from Colorado Springs to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Wed 7/305:20 pmCOS - IDA

1 stop5h 31mUnited Airlines

Wed 8/65:00 amIDA - COS

1 stop4h 06mUnited Airlines

Deal found 7/1

$249

Last-minute flights from Colorado Springs to Idaho Falls
Discover last-minute flight deals from Colorado Springs to Idaho Falls. Data last updated July 3, 2025 and is based on user searches.

Thu 7/310:52 amCOS - IDA

1 stop34h 21mAmerican Airlines

Thu 7/106:51 amIDA - COS

1 stop51h 02mAmerican Airlines

Deal found 7/3

$1,337

Wed 7/305:20 pmCOS - IDA

1 stop5h 31mUnited Airlines

Wed 8/65:00 amIDA - COS

1 stop4h 06mUnited Airlines

Deal found 7/1

$249

One-way flights from Colorado Springs to Idaho Falls
Search for one-way flight options from Colorado Springs to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Fri 7/255:55 pmCOS - IDA

1 stop4h 34mDelta

Deal found 7/1

$239

Wed 8/276:00 amCOS - IDA

2 stops16h 48mUnited Airlines

Deal found 7/1

$380

Cheapflights Fare Finder

Use the filters below to find and compare flights from Colorado Springs to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Colorado SpringsIdaho Falls

COS - IDA

COSIDA

Colorado Springs

Wed 7/30

5:20 pm-10:51 pm

1 stop5h 31m

Idaho Falls Fanning Field

Wed 8/6

5:00 am-9:06 am

1 stop4h 06m

$249

Colorado SpringsIdaho Falls

COS - IDA

COSIDA

Colorado Springs

Fri 7/25

5:55 pm-10:29 pm

1 stop4h 34m

$239

Colorado SpringsIdaho Falls

COS - IDA

COSIDA

Colorado Springs

Wed 8/27

6:00 am-10:48 pm

2 stops16h 48m

$380

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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, October is the cheapest month in which you can book a flight from Colorado Springs to Idaho Falls (average of $380). Flying from Colorado Springs to Idaho Falls in December is currently the most expensive (average of $578). 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.

Reviews of airlines servicing Idaho Falls

Get a feel of what it's like to fly with Delta and United Airlines from Colorado Springs to Idaho Falls by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,982 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,861 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What is the cheapest airline to fly from Colorado Springs to Idaho Falls round-trip?
United Airlines, at $249, was found to be the cheapest airline from Colorado Springs to Idaho Falls..
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, October is the cheapest month in which you can book a flight from Colorado Springs to Idaho Falls (average of $380). Flying from Colorado Springs to Idaho Falls in December is currently the most expensive (average of $578). 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

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Top airline flying from Colorado Springs to Idaho Falls

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$268	Average$343	FlexibilityNo cancel fee	On-time69%

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$239+ Cheap flights from Colorado Springs to Idaho Falls (COS - IDA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Colorado Springs to Idaho Falls with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Colorado Springs to Idaho Falls

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Colorado Springs to Idaho Falls

Cheapest flights from Colorado Springs to Idaho FallsExplore 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 July 3, 2025.

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 July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Colorado Springs to Idaho Falls that are best for you.

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.

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?

Reviews of airlines servicing Idaho Falls

Get a feel of what it's like to fly with Delta and United Airlines from Colorado Springs to Idaho Falls by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

What is the cheapest airline to fly from Colorado Springs to Idaho Falls round-trip?

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

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

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

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

Traveling to a place near Colorado Springs?

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Alternative routes for Colorado Springs to Idaho Falls

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Top airline flying from Colorado Springs to Idaho Falls

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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 July 3, 2025.