How long is the flight from Idaho Falls to Casper?

Departing from Idaho Falls to Casper will take you 4h 02m. Idaho Falls and Casper are separated by a distance of 285 mi.

In terms of precipitation, rainfall in Casper ranges from 0.5 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. January is typically the driest time to visit Casper when rainfall is around 0.5 in.

If weather is an important factor for your trip to Casper, 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 December, when temperatures are typically at their lowest (around 23.0 F).

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

When flying from Idaho Falls to Casper, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

Most trusted provider : When it comes to deals on Idaho Falls-Casper 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-Casper flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Idaho Falls to Casper?

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

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

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

$328+ Cheap Flights from Idaho Falls to Casper

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Cheap flight deals from Idaho Falls to Casper

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Cheapest flights from Idaho Falls to Casper
Explore the most affordable flight options available from Idaho Falls to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.

Tue 9/294:05 pm -

1 stop5h 59m

Sat 10/31:20 pm -

1 stop3h 56m

Deal found 9/14

$328

Mon 10/124:05 pm -

1 stop5h 59m

Mon 10/195:15 am -

1 stop4h 38m

Deal found 9/14

$413

Find flight deals from Idaho Falls to Casper

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$328 (United Airlines)

Provider with most accurate pricing for Idaho Falls Fanning Field-Casper Natrona County flight deals.

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From Idaho Falls Fanning Field to Casper Natrona County

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Idaho FallsCasper

IDA Idaho Falls Fanning Field - CPR Casper Natrona County

IDACPR

Idaho Falls Fanning Field

Thu 1/21

2:35 pm-6:37 pm

1 stop4h 02m

Casper Natrona County

Mon 1/25

3:15 pm-9:08 pm

1 stop5h 53m

$368

Idaho FallsCasper

IDA Idaho Falls Fanning Field - CPR Casper Natrona County

IDACPR

Idaho Falls Fanning Field

Mon 10/12

4:05 pm-10:04 pm

1 stop5h 59m

Casper Natrona County

Mon 10/19

5:15 am-9:53 am

1 stop4h 38m

$413

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Sorted by cheapest first

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

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

IDA-CPR

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.

Related info for your journey

How long is the flight from Idaho Falls to Casper?
Departing from Idaho Falls to Casper will take you 4h 02m. Idaho Falls and Casper are separated by a distance of 285 mi.
Can I find deals for flights from Idaho Falls to Casper that include hotel bookings?
Yes. In addition to deals on Idaho Falls to Casper flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Idaho Falls to Casper?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Casper.
Can I find deals for business class flights from Idaho Falls to Casper?
Yes. Cheapflights offers flight deals from Idaho Falls to Casper by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$328+ Cheap flights from Idaho Falls to Casper (IDA - CPR)

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Idaho Falls to Casper with Cheapflights

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Cheap flight deals from Idaho Falls to Casper

Cheapest flights from Idaho Falls to CasperExplore the most affordable flight options available from Idaho Falls to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.

Explore the most affordable flight options available from Idaho Falls to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.

Best flights from Idaho Falls to CasperDiscover carefully curated flight deals from Idaho Falls to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.

Discover carefully curated flight deals from Idaho Falls to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.

Last-minute flights from Idaho Falls to CasperDiscover last-minute flight deals from Idaho Falls to Casper. Data last updated September 17, 2026 and is based on user searches.

Discover last-minute flight deals from Idaho Falls to Casper. Data last updated September 17, 2026 and is based on user searches.

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

Best time to book a flight from Idaho Falls to Casper

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

Related info for your journey

How long is the flight from Idaho Falls to Casper?

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

How can I find direct flights from Idaho Falls to Casper?

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

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Idaho Falls and Casper flights

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Cheapest flights from Idaho Falls to Casper
Explore the most affordable flight options available from Idaho Falls to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.

Best flights from Idaho Falls to Casper
Discover carefully curated flight deals from Idaho Falls to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.

Last-minute flights from Idaho Falls to Casper
Discover last-minute flight deals from Idaho Falls to Casper. Data last updated September 17, 2026 and is based on user searches.