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

Currently, January is the cheapest month in which you can book a flight from Idaho Falls to Casper (average of $348). Flying from Idaho Falls to Casper in June is currently the most expensive (average of $504). 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.

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.

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.

$268+ Flights from Idaho Falls to Casper

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Cheap flight deals from Idaho Falls to Casper

Round-trip from	$268 (United Airlines)

From Idaho Falls Fanning Field to Casper Natrona County

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Find flight deals from Idaho Falls to Casper

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 julio 29, 2025.

mar. 8/264:00 pmIDA - CPR

1 stop6h 14mUnited Airlines

sáb. 8/305:30 amCPR - IDA

1 stop4h 17mUnited Airlines

Deal found 7/27

$268

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 julio 29, 2025.

mar. 8/264:00 pmIDA - CPR

1 stop6h 14mUnited Airlines

sáb. 8/305:30 amCPR - IDA

1 stop4h 17mUnited Airlines

Deal found 7/27

$268

Last-minute flights from Idaho Falls to Casper
Discover last-minute flight deals from Idaho Falls to Casper. Data last updated julio 29, 2025 and is based on user searches.

mar. 8/264:00 pmIDA - CPR

1 stop6h 14mUnited Airlines

sáb. 8/305:30 amCPR - IDA

1 stop4h 17mUnited Airlines

Deal found 7/27

$268

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsCasper

IDA - CPR

IDACPR

Idaho Falls Fanning Field

mar. 8/26

4:00 pm-10:14 pm

1 stop6h 14m

Casper Natrona County

sáb. 8/30

5:30 am-9:47 am

1 stop4h 17m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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.

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.

Reviews of airlines servicing Casper

See what other customers who have flown with United Airlines from Idaho Falls to Casper have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,896 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines

7.4

Good

8,896 reviews

United Airlines

7.4

Good

8,896 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

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.
What is the cheapest month to book a flight from Idaho Falls to Casper?
Currently, January is the cheapest month in which you can book a flight from Idaho Falls to Casper (average of $348). Flying from Idaho Falls to Casper in June is currently the most expensive (average of $504). 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.

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$268+ 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 8/26. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Idaho Falls to Casper

Round-trip from

Find 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 julio 29, 2025.

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 julio 29, 2025.

Cheapflights Fare Finder

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.

Reviews of airlines servicing Casper

See what other customers who have flown with United Airlines from Idaho Falls to Casper have to say. You can also see how each airline compares 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 Idaho Falls to Casper. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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?

What is the cheapest month to book a flight 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 julio 29, 2025.