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Cheap flights from Idaho to Casper from $268

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 to Casper departing on 1/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Idaho to Casper

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:19 pm - 8:40 pmIDA-CPR
4h 21m1 stop
United Airlines Logo
1:16 pm - 9:14 pmCPR-IDA
7h 58m1 stop
$268United Airlines
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Sat, Jan 31 - Tue, Feb 3
United Airlines Logo
4:02 pm - 10:09 pmGEG-CPR
5h 07m1 stop
United Airlines Logo
3:15 pm - 9:17 pmCPR-GEG
7h 02m1 stop
$334United Airlines
Find Deal
Fri, Feb 13 - Sun, Feb 15
United Airlines Logo
4:15 pm - 9:58 pmIDA-CPR
5h 43m1 stop
United Airlines Logo
5:30 am - 9:48 amCPR-IDA
4h 18m1 stop
$338United Airlines
Find Deal
Fri, Nov 14 - Sun, Nov 16
United Airlines Logo
4:00 pm - 10:12 pmGEG-CPR
5h 12m1 stop
United Airlines Logo
7:00 am - 3:19 pmCPR-GEG
9h 19m1 stop
$422United Airlines
Find Deal
Tue, Apr 14 - Sat, Apr 18
United Airlines Logo
4:02 pm - 10:09 pmGEG-CPR
5h 07m1 stop
United Airlines Logo
7:10 am - 9:07 pmCPR-GEG
14h 57m2 stops
$492United Airlines
Find Deal
Fri, Feb 13 - Sun, Feb 15
United Airlines Logo
1:47 pm - 8:17 pmGEG-CPR
5h 30m1 stop
United Airlines Logo
1:25 pm - 8:45 pmCPR-GEG
8h 20m1 stop
$495United Airlines
Find Deal
Wed, Nov 19 - Tue, Nov 25
United Airlines Logo
4:00 pm - 10:12 pmGEG-CPR
5h 12m1 stop
United Airlines Logo
3:15 pm - 11:38 pmCPR-GEG
33h 23m2 stops
$507United Airlines
Find Deal
Tue, Apr 14 - Sat, Apr 18
United Airlines Logo
5:00 am - 10:53 amGEG-CPR
4h 53m1 stop
United Airlines Logo
5:30 am - 11:38 pmCPR-GEG
19h 08m2 stops
$537United Airlines
Find Deal
Tue, Apr 14 - Sat, Apr 18
United Airlines Logo
5:00 am - 12:35 pmGEG-CPR
6h 35m1 stop
United Airlines Logo
5:30 am - 11:38 pmCPR-GEG
19h 08m3 stops
$542United Airlines
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Tue, Apr 14 - Sat, Apr 18
United Airlines Logo
1:47 pm - 7:17 pmGEG-CPR
4h 30m1 stop
United Airlines Logo
9:03 am - 10:42 amCPR-GEG
26h 39m2 stops
$572United Airlines
Find Deal
Wed, Nov 19 - Tue, Nov 25

United Airlines flights from Idaho to Casper

Our best United Airlines deals on Idaho to Casper flight tickets
United Airlines
Jan 31
IDA4:19 pmIdaho Falls Fanning Field
4h 21m
1 stop
CPR8:40 pmCasper Natrona County
Feb 3
CPR1:16 pmCasper Natrona County
7h 58m
1 stop
IDA9:14 pmIdaho Falls Fanning Field
$268
Find similar
United Airlines
Feb 13
GEG4:02 pmSpokane
5h 07m
1 stop
CPR10:09 pmCasper Natrona County
Feb 15
CPR3:15 pmCasper Natrona County
7h 02m
1 stop
GEG9:17 pmSpokane
$334
Find similar
United Airlines
Nov 14
IDA4:15 pmIdaho Falls Fanning Field
5h 43m
1 stop
CPR9:58 pmCasper Natrona County
Nov 16
CPR5:30 amCasper Natrona County
4h 18m
1 stop
IDA9:48 amIdaho Falls Fanning Field
$338
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho 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 November 3, 2025.
Use the filters below to find and compare flights from Idaho to Casper that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsCasper

IDA - CPR

IDACPR

Idaho Falls Fanning Field

Sat 1/31

4:19 pm-8:40 pm

1 stop4h 21m

Casper Natrona County

Tue 2/3

1:16 pm-9:14 pm

1 stop7h 58m

$268

SpokaneCasper

GEG - CPR

GEGCPR

Spokane

Fri 2/13

4:02 pm-10:09 pm

1 stop5h 07m

Casper Natrona County

Sun 2/15

3:15 pm-9:17 pm

1 stop7h 02m

$334

Idaho FallsCasper

IDA - CPR

IDACPR

Idaho Falls Fanning Field

Fri 11/14

4:15 pm-9:58 pm

1 stop5h 43m

Casper Natrona County

Sun 11/16

5:30 am-9:48 am

1 stop4h 18m

$338

SpokaneCasper

GEG - CPR

GEGCPR

Spokane

Tue 4/14

4:00 pm-10:12 pm

1 stop5h 12m

Casper Natrona County

Sat 4/18

7:00 am-3:19 pm

1 stop9h 19m

$422

SpokaneCasper

GEG - CPR

GEGCPR

Spokane

Fri 2/13

4:02 pm-10:09 pm

1 stop5h 07m

Casper Natrona County

Sun 2/15

7:10 am-9:07 pm

2 stops14h 57m

$492

SpokaneCasper

GEG - CPR

GEGCPR

Spokane

Wed 11/19

1:47 pm-8:17 pm

1 stop5h 30m

Casper Natrona County

Tue 11/25

1:25 pm-8:45 pm

1 stop8h 20m

$495

SpokaneCasper

GEG - CPR

GEGCPR

Spokane

Tue 4/14

4:00 pm-10:12 pm

1 stop5h 12m

Casper Natrona County

Sat 4/18

3:15 pm-11:38 pm

2 stops33h 23m

$507

SpokaneCasper

GEG - CPR

GEGCPR

Spokane

Tue 4/14

5:00 am-10:53 am

1 stop4h 53m

Casper Natrona County

Sat 4/18

5:30 am-11:38 pm

2 stops19h 08m

$537

SpokaneCasper

GEG - CPR

GEGCPR

Spokane

Tue 4/14

5:00 am-12:35 pm

1 stop6h 35m

Casper Natrona County

Sat 4/18

5:30 am-11:38 pm

3 stops19h 08m

$542

SpokaneCasper

GEG - CPR

GEGCPR

Spokane

Wed 11/19

1:47 pm-7:17 pm

1 stop4h 30m

Casper Natrona County

Tue 11/25

9:03 am-10:42 am

2 stops26h 39m

$572

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Idaho to Casper

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Casper?

The cheapest day to depart from Idaho to Casper is on a Friday when prices can be found for as low as $228. The most expensive day to fly to Casper is Wednesday, with ticket prices averaging around $471.

What is the cheapest time of day to depart on your flight to Casper?

The cheapest time of day to fly to Casper is in the evening when flights can be purchased for as low as $228. Flights to Casper are more costly in the morning, with an average ticket price of $473. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Idaho to Casper flight deals and tips

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

Direct flights

None
There are no direct flights from Idaho to Casper. There are no popular flight routes from Idaho to Casper.
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  • When did momondo last update prices for flights from Idaho to Casper Natrona County Airport?

    Prices for flights from Idaho to Casper Natrona County Airport refresh daily.

  • How many operators does momondo search for flights from Idaho to Casper Natrona County Airport?

  • How old do you have to be to fly from Idaho 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 to Casper Natrona County Airport.

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

    The travel and health documents you'll need for your trip to Casper Natrona County Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Casper Natrona County Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Idaho to Casper

Compare and see reviews for airlines that fly from Idaho to Casper with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $218Free CancellationRating
7.4
8,997 reviews
Search United Airlines flights

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 to Casper?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Idaho to Casper for you.

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

All flight searches from Idaho to Casper on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Idaho 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.

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

Yes momondo offers price alerts on flights to Casper from Idaho. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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