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Cheap flights from Idaho Falls to Casper from $293

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Casper departing on 10/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Idaho Falls to Casper

Cheap round-trip flights

United Airlines Logo
5:00 am - 12:41 pmIDA-CPR
7h 41m1 stop
United Airlines Logo
5:30 am - 1:33 pmCPR-IDA
8h 03m1 stop
$293United Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5
United Airlines Logo
2:30 pm - 10:25 pmIDA-CPR
7h 55m1 stop
United Airlines Logo
3:19 pm - 10:57 pmCPR-IDA
7h 38m1 stop
$374United Airlines
Find Deal
Wed, Dec 24 - Tue, Dec 30

United Airlines flights from Idaho Falls to Casper

Our best United Airlines deals on Idaho Falls to Casper flight tickets
United Airlines
Oct 1
IDA5:00 amIdaho Falls Fanning Field
7h 41m
1 stop
CPR12:41 pmCasper Natrona County
Oct 5
CPR5:30 amCasper Natrona County
8h 03m
1 stop
IDA1:33 pmIdaho Falls Fanning Field
$293
Find similar
United Airlines
Dec 24
IDA2:30 pmIdaho Falls Fanning Field
7h 55m
1 stop
CPR10:25 pmCasper Natrona County
Dec 30
CPR3:19 pmCasper Natrona County
7h 38m
1 stop
IDA10:57 pmIdaho Falls Fanning Field
$374
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Casper 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, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Idaho Falls to Casper that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsCasper

IDA - CPR

IDACPR

Idaho Falls Fanning Field

Wed 10/1

5:00 am-12:41 pm

1 stop7h 41m

Casper Natrona County

Sun 10/5

5:30 am-1:33 pm

1 stop8h 03m

$293

Idaho FallsCasper

IDA - CPR

IDACPR

Idaho Falls Fanning Field

Wed 12/24

2:30 pm-10:25 pm

1 stop7h 55m

Casper Natrona County

Tue 12/30

3:19 pm-10:57 pm

1 stop7h 38m

$374

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Idaho Falls to Casper

Are you open to changing your travel dates? Check out the ideal times to fly from Idaho Falls to Casper according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Idaho Falls to Casper (IDA to CPR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to Casper

Direct flights

None
There are no direct flights from Idaho Falls to Casper. There are no popular flight routes from Idaho Falls to Casper.
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  • How far is Idaho Falls Fanning Field to Casper Natrona County by plane?

    The straight-line distance from Idaho Falls Fanning Field to Casper Natrona County is 290.6 mi. Typically, this will take 7h 41m by plane in normal conditions.

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Casper Natrona County Airport?

    Prices for flights from Idaho Falls Fanning Field Airport to Casper Natrona County Airport are updated daily.

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to Casper Natrona County Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Casper Natrona County Airport.

  • What documentation or ID do you need to fly to Casper Natrona County Airport?

    The travel and health documents required for your trip to Casper Natrona County Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Casper Natrona County Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • How do I get Price Alerts for flights from Idaho Falls to Casper?

    Confirm your travel details to search for the latest offers for flights from Idaho Falls to Casper. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Idaho Falls to Casper with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Casper?

Book flights to Casper if you plan to visit one of these locations
Rawlins
Evansville
Douglas

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to Casper?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho Falls to Casper. momondo saves you time and could save you money on your trip.

Can I find flights from Idaho Falls to Casper with flexible booking policies on momondo?

Flights from Idaho Falls to Casper with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Idaho Falls to Casper?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Casper from Idaho Falls.

I’m not ready to book a flight from Idaho Falls to Casper right now. Can momondo alert me if prices change?

Price alerts on flights to Casper from Idaho Falls are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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