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$332+ 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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — CPR
Jun 3 — Jun 101
Wed 6/3
Wed 6/10
1 adult, Economy
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Cheap 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 May 4, 2026.

This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/304:10 pm
IDA
-
CPR
1 stop4h 16m
United Airlines
Wed 6/107:05 am
CPR
-
IDA
1 stop6h 20m
United Airlines
Deal found 5/3$332
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:54 pm
IDA
-
CPR
1 stop4h 11m
United Airlines
Wed 5/278:45 am
CPR
-
IDA
1 stop4h 40m
United Airlines
Deal found 4/29$363
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:26 pm
IDA
-
CPR
1 stop4h 44m
United Airlines
Tue 5/195:25 am
CPR
-
IDA
1 stop4h 30m
United Airlines
Deal found 4/30$504
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/176:30 am
IDA
-
CPR
1 stop8h 09m
United Airlines
Thu 5/219:26 am
CPR
-
IDA
1 stop6h 08m
United Airlines
Deal found 5/2$596
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/152:30 pm
IDA
-
CPR
1 stop6h 03m
United Airlines
Thu 6/189:26 am
CPR
-
IDA
1 stop7h 53m
United Airlines
Deal found 5/1$687

Find flight deals from Idaho Falls to Casper

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Casper (CPR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$332
(United Airlines)
Provider with most accurate pricing for Idaho Falls Fanning Field-Casper Natrona County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Casper Natrona County flights.
Search Deals
From Idaho Falls Fanning Field to Casper Natrona County
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Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated May 4, 2026.
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

Cheapest round-trip

Idaho FallsCasper

IDA - CPR

IDACPR

Idaho Falls Fanning Field

Sat 5/30

4:10 pm-8:26 pm

1 stop4h 16m

Casper Natrona County

Wed 6/10

7:05 am-1:25 pm

1 stop6h 20m

$332
Quickest round-trip

Idaho FallsCasper

IDA - CPR

IDACPR

Idaho Falls Fanning Field

Sat 5/23

5:54 pm-10:05 pm

1 stop4h 11m

Casper Natrona County

Wed 5/27

8:45 am-1:25 pm

1 stop4h 40m

$363

Idaho FallsCasper

IDA - CPR

IDACPR

Idaho Falls Fanning Field

Fri 5/15

5:26 pm-10:10 pm

1 stop4h 44m

Casper Natrona County

Tue 5/19

5:25 am-9:55 am

1 stop4h 30m

$504

Idaho FallsCasper

IDA - CPR

IDACPR

Idaho Falls Fanning Field

Mon 6/15

2:30 pm-8:33 pm

1 stop6h 03m

Casper Natrona County

Thu 6/18

9:26 am-5:19 pm

1 stop7h 53m

$687

Idaho FallsCasper

IDA - CPR

IDACPR

Idaho Falls Fanning Field

Sun 5/17

5:26 pm-10:10 pm

1 stop4h 44m

Casper Natrona County

Thu 5/21

11:21 am-11:45 am

2 stops48h 24m

$827

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/3

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.
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

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.

  • How long is the flight from Idaho Falls to Casper?

    Departing from Idaho Falls to Casper will take you 4h 16m. 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.

See more FAQs

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