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Casper

$336+ Cheap flights from Idaho to Casper (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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CPR
Jul 16 — Jul 231
Thu 7/16
Thu 7/23
1 adult, Economy
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Cheap flight deals from Idaho to Casper

Cheapest flights from Idaho to Casper
Explore the most affordable flight options available from Idaho to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2026.

This United Airlines deal was found by Cheapflights users on 6/12. 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 7/14:14 pm
IDA
-
CPR
1 stop4h 19m
United Airlines
Sun 7/59:26 am
CPR
-
IDA
1 stop3h 59m
United Airlines
Deal found 6/12$336
This United Airlines deal was found by Cheapflights users on 6/12. 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 11/142:35 pm
IDA
-
CPR
1 stop4h 02m
United Airlines
Wed 11/185:30 am
CPR
-
IDA
1 stop3h 58m
United Airlines
Deal found 6/12$338
This United Airlines deal was found by Cheapflights users on 6/15. 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 10/215:00 am
GEG
-
CPR
1 stop4h 48m
United Airlines
Sat 10/248:45 am
CPR
-
GEG
1 stop7h 37m
United Airlines
Deal found 6/15$378
This United Airlines deal was found by Cheapflights users on 6/16. 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 7/154:18 pm
GEG
-
CPR
1 stop4h 41m
United Airlines
Tue 7/218:45 am
CPR
-
GEG
1 stop7h 26m
United Airlines
Deal found 6/16$448
This United Airlines deal was found by Cheapflights users on 6/11. 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 6/274:14 pm
IDA
-
CPR
1 stop4h 12m
United Airlines
Wed 7/13:15 pm
CPR
-
IDA
1 stop5h 52m
United Airlines
Deal found 6/11$586
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 8/44:13 pm
GEG
-
CPR
1 stop4h 46m
United Airlines
Thu 8/63:15 pm
CPR
-
GEG
1 stop6h 50m
United Airlines
Deal found 6/16$606
This United Airlines deal was found by Cheapflights users on 6/14. 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 6/192:30 pm
IDA
-
CPR
1 stop7h 29m
United Airlines
Sun 6/216:13 pm
CPR
-
IDA
1 stop19h 12m
United Airlines
Deal found 6/14$702
This United Airlines deal was found by Cheapflights users on 6/15. 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 11/1512:30 pm
GEG
-
CPR
2 stops25h 10m
United Airlines
Thu 11/1911:25 am
CPR
-
GEG
1 stop4h 54m
United Airlines
Deal found 6/15$810

Find flight deals from Idaho to Casper

Keep the following information in mind while searching for Idaho to Casper flight deals. Data was last updated June 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$336
(United Airlines)

Popular in

May

Cheapest in

October

Average price

$449
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Casper Natrona County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Casper Natrona County flights.
Search Deals
From Idaho to Casper Natrona County
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 16, 2026.
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

Cheapest round-trip

Idaho FallsCasper

IDA - CPR

IDACPR

Idaho Falls Fanning Field

Wed 7/1

4:14 pm-8:33 pm

1 stop4h 19m

Casper Natrona County

Sun 7/5

9:26 am-1:25 pm

1 stop3h 59m

$336
Quickest round-trip

Idaho FallsCasper

IDA - CPR

IDACPR

Idaho Falls Fanning Field

Sat 11/14

2:35 pm-6:37 pm

1 stop4h 02m

Casper Natrona County

Wed 11/18

5:30 am-9:28 am

1 stop3h 58m

$338

SpokaneCasper

GEG - CPR

GEGCPR

Spokane

Wed 10/21

5:00 am-10:48 am

1 stop4h 48m

Casper Natrona County

Sat 10/24

8:45 am-3:22 pm

1 stop7h 37m

$378

SpokaneCasper

GEG - CPR

GEGCPR

Spokane

Wed 7/15

4:18 pm-9:59 pm

1 stop4h 41m

Casper Natrona County

Tue 7/21

8:45 am-3:11 pm

1 stop7h 26m

$448

Idaho FallsCasper

IDA - CPR

IDACPR

Idaho Falls Fanning Field

Sat 6/27

4:14 pm-8:26 pm

1 stop4h 12m

Casper Natrona County

Wed 7/1

3:15 pm-9:07 pm

1 stop5h 52m

$586

SpokaneCasper

GEG - CPR

GEGCPR

Spokane

Tue 8/4

4:13 pm-9:59 pm

1 stop4h 46m

Casper Natrona County

Thu 8/6

3:15 pm-9:05 pm

1 stop6h 50m

$606

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Sorted by cheapest first

Best time to book a flight from Idaho to Casper

Have a flexible travel schedule? Discover the best time to fly to Casper from Idaho 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.

Cheapflights Insights

Everything you need to know about your flight from Idaho to Casper
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Casper. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Casper from Idaho?

    Casper Natrona County (CPR) is the airport you will fly into if you book a flight from Idaho to Casper. It is only a 8.1 mi journey from Natrona County (CPR) to Casper’s city center.

  • How long is the flight from Idaho to Casper?

    A quick flight from Idaho to Casper can take about 4h 19m. United Airlines provides one of the quickest options available for as low as $336. The distance between Idaho and Casper is about 285 mi.

  • What are the most popular routes from Idaho to Casper?

    Most travelers choose Spokane - Casper Natrona County, Pocatello - Casper Natrona County or Idaho Falls Fanning Field - Casper Natrona County when deciding on the best route from Idaho to Casper.

  • Can I find deals for flights from Idaho to Casper that include hotel bookings?

    Yes. In addition to deals on Idaho to Casper flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Casper?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Casper.

  • Can I find deals for business class flights from Idaho to Casper?

    Yes. Cheapflights offers flight deals from Idaho 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

Traveling to a place near Casper?

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

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Alternative routes for Idaho to Casper

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Top airline flying from Idaho to Casper

Discover the top airline that operate flights from Idaho to Casper. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$218Average$313FlexibilityNo cancel feeOn-time69%

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