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$404+ Cheap flights from Casper (CPR) to Idaho

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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
CPR — BOI
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find flight deals from Casper to Idaho

Cheapest flights from Casper to Idaho
Explore the most affordable flight options available from Casper to Idaho. 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 11/1. 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.
Tue 12/167:00 amCPR - GEG
1 stop6h 45mUnited Airlines
Fri 12/265:05 amGEG - CPR
1 stop8h 35mUnited Airlines
Deal found 11/1$404
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.
Tue 11/187:00 amCPR - GEG
1 stop6h 45mUnited Airlines
Mon 11/245:10 amGEG - CPR
1 stop8h 31mUnited Airlines
Deal found 11/2$419

Cheap flight deals from Casper to Idaho

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

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$353
(United Airlines)

Popular in

October

Cheapest in

August
Provider with most accurate pricing for Casper Natrona County-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Casper Natrona County-Boise Air Term. Gowen Fld flights.
Search Deals
From Casper Natrona County to Idaho
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Casper to Idaho 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 Casper to Idaho that are best for you.

Fly from

Casper

Fly to

Idaho

Route

Depart

Return

Price

CasperSpokane

CPR - GEG

CPRGEG

Casper Natrona County

Tue 12/16

7:00 am-12:45 pm

1 stop6h 45m

Spokane

Fri 12/26

5:05 am-2:40 pm

1 stop8h 35m

$404

CasperSpokane

CPR - GEG

CPRGEG

Casper Natrona County

Tue 11/18

3:18 pm-8:45 pm

1 stop6h 27m

Spokane

Mon 11/24

5:10 am-2:41 pm

1 stop8h 31m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Best time to book a flight from Casper to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Casper 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 Casper to Idaho
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated November 3, 2025.
Read through reviews of airlines operating flights from Casper to Idaho, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,997 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,997 reviews
United Airlines
7.4
Good
8,997 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Casper to Idaho. 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 from for flights from Casper to Idaho?

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

  • How long is the flight from Casper to Idaho?

    For as low as $404, United Airlines can have you in Idaho from Casper in 6h 45m. The distance from Casper to Idaho is about 628 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Casper to Idaho 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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Top airline flying from Casper to Idaho

Discover the top airline that operate flights from Casper to Idaho. 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$266Average$343FlexibilityNo cancel feeOn-time69%

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