HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Casper

$238+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — CPR
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho Falls to Casper with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/20. 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.
Wed 2/47:00 am
IDA
-
CPR
1 stop5h 35m
United Airlines
Sun 2/85:30 am
CPR
-
IDA
1 stop4h 26m
United Airlines
Deal found 1/20$238
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Thu 2/192:40 pm
IDA
-
CPR
1 stop5h 46m
United Airlines
Sat 2/215:25 am
CPR
-
IDA
1 stop4h 21m
United Airlines
Deal found 1/20$288
This United Airlines deal was found by Cheapflights users on 1/19. 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 1/192:40 pm
IDA
-
CPR
1 stop6h 00m
United Airlines
Mon 1/265:30 am
CPR
-
IDA
1 stop4h 26m
United Airlines
Deal found 1/19$328
This United Airlines deal was found by Cheapflights users on 1/19. 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 1/192:40 pm
IDA
-
CPR
1 stop7h 34m
United Airlines
Sat 1/243:17 pm
CPR
-
IDA
1 stop5h 59m
United Airlines
Deal found 1/19$338
This United Airlines deal was found by Cheapflights users on 1/19. 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 1/192:40 pm
IDA
-
CPR
1 stop4h 26m
United Airlines
Fri 1/236:04 pm
CPR
-
IDA
1 stop15h 52m
United Airlines
Deal found 1/19$583
This United Airlines deal was found by Cheapflights users on 1/19. 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 1/234:19 pm
IDA
-
CPR
1 stop5h 55m
United Airlines
Mon 1/265:30 am
CPR
-
IDA
1 stop4h 26m
United Airlines
Deal found 1/19$674
This United Airlines deal was found by Cheapflights users on 1/19. 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 1/234:19 pm
IDA
-
CPR
1 stop5h 55m
United Airlines
Sun 1/257:00 am
CPR
-
IDA
1 stop6h 30m
United Airlines
Deal found 1/19$684
This United Airlines deal was found by Cheapflights users on 1/19. 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 1/252:40 pm
IDA
-
CPR
1 stop6h 00m
United Airlines
Mon 1/265:30 am
CPR
-
IDA
1 stop4h 26m
United Airlines
Deal found 1/19$685
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Wed 1/216:30 am
IDA
-
CPR
1 stop6h 05m
United Airlines
Wed 1/213:17 pm
CPR
-
IDA
1 stop5h 57m
United Airlines
Deal found 1/19$739
This United Airlines deal was found by Cheapflights users on 1/19. 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 1/192:40 pm
IDA
-
CPR
1 stop4h 26m
United Airlines
Wed 1/219:00 am
CPR
-
IDA
1 stop4h 30m
United Airlines
Deal found 1/19$744
This United Airlines deal was found by Cheapflights users on 1/19. 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 1/256:30 am
IDA
-
CPR
1 stop6h 05m
United Airlines
Sun 1/253:17 pm
CPR
-
IDA
1 stop5h 57m
United Airlines
Deal found 1/19$1,016

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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$238
(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
Search Deals

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 January 21, 2026.
Use the filters below to find and compare flights from Idaho Falls to Casper that are best for you.

Fly from

Idaho Falls

Fly to

Casper

Route

Depart

Return

Price

Idaho FallsCasper

IDA - CPR

IDACPR

Idaho Falls Fanning Field

Wed 2/4

7:00 am-12:35 pm

1 stop5h 35m

Casper Natrona County

Sun 2/8

5:30 am-9:56 am

1 stop4h 26m

$238

Idaho FallsCasper

IDA - CPR

IDACPR

Idaho Falls Fanning Field

Thu 2/19

2:40 pm-8:26 pm

1 stop5h 46m

Casper Natrona County

Sat 2/21

5:25 am-9:46 am

1 stop4h 21m

$288

Idaho FallsCasper

IDA - CPR

IDACPR

Idaho Falls Fanning Field

Sat 1/24

2:40 pm-10:14 pm

1 stop7h 34m

Casper Natrona County

Mon 1/26

5:30 am-9:56 am

1 stop4h 26m

$328

Idaho FallsCasper

IDA - CPR

IDACPR

Idaho Falls Fanning Field

Sat 1/24

4:19 pm-10:14 pm

1 stop5h 55m

Casper Natrona County

Sun 1/25

11:28 am-3:31 pm

1 stop4h 03m

$338

Idaho FallsCasper

IDA - CPR

IDACPR

Idaho Falls Fanning Field

Sun 1/25

2:40 pm-8:40 pm

1 stop6h 00m

Casper Natrona County

Mon 1/26

5:30 am-9:56 am

1 stop4h 26m

$685

Idaho FallsCasper

IDA - CPR

IDACPR

Idaho Falls Fanning Field

Sat 1/24

6:30 am-12:35 pm

1 stop6h 05m

Casper Natrona County

Sat 1/24

3:17 pm-9:16 pm

1 stop5h 59m

$739

Idaho FallsCasper

IDA - CPR

IDACPR

Idaho Falls Fanning Field

Sun 1/25

6:30 am-12:35 pm

1 stop6h 05m

Casper Natrona County

Sun 1/25

3:17 pm-9:14 pm

1 stop5h 57m

$1,016

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

  • 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 5h 35m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.