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Casper

$268+ 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CPR
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheap flight deals from Idaho to Casper

Keep the following information in mind while searching for Idaho to Casper flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$268
(United Airlines)

Popular in

March

Cheapest in

January

Average price

$278
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Casper Natrona County flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Casper Natrona County flights.
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From Idaho to Casper Natrona County
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Highest demand for flights based on searches. 3% potential increase in price ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 3, 2025.

This United Airlines deal was found by Cheapflights users on 11/2. 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.
Fri 11/144:15 pmIDA - CPR
1 stop5h 43mUnited Airlines
Sun 11/165:30 amCPR - IDA
1 stop4h 18mUnited Airlines
Deal found 11/2$338
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 11/191:47 pmGEG - CPR
1 stop5h 30mUnited Airlines
Tue 11/251:25 pmCPR - GEG
1 stop8h 20mUnited Airlines
Deal found 11/2$495
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Sun 11/165:10 amGEG - CPR
1 stop6h 21mUnited Airlines
Thu 11/207:00 amCPR - GEG
1 stop9h 21mUnited Airlines
Deal found 11/1$652
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Thu 11/206:00 amGEG - CPR
2 stops37h 17mUnited Airlines
Tue 11/257:00 amCPR - GEG
2 stops28h 42mUnited Airlines
Deal found 11/2$1,471

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

Fly from

Idaho

Fly to

Casper

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

7:00 am-1:30 pm

1 stop6h 30m

$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

1:45 pm-10:12 pm

1 stop7h 27m

Casper Natrona County

Sat 4/18

7:00 am-3:19 pm

1 stop9h 19m

$422

SpokaneCasper

GEG - CPR

GEGCPR

Spokane

Thu 11/20

1:47 pm-9:58 pm

1 stop7h 11m

Casper Natrona County

Tue 11/25

1:25 pm-8:45 pm

1 stop8h 20m

$495

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

SpokaneCasper

GEG - CPR

GEGCPR

Spokane

Fri 11/21

5:10 am-12:31 pm

1 stop6h 21m

$326

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

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

What is the cheapest time of day to fly from ID to CPR?

Find hourly flight availability from Idaho to Casper. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

A simple way to save on the total cost of your ticket is to fly from Idaho to Casper in the evening. If you’re flexible enough to do this you can expect to save up to 71% on your trip compared to booking a flight in the morning.

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 21m. United Airlines provides one of the quickest options available for as low as $268. 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, Idaho Falls Fanning Field - Casper Natrona County or Pocatello - 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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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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$218Average$308FlexibilityNo cancel feeOn-time69%

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