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$293+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
CPR — BOI
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap 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 February 5, 2026.

This United Airlines deal was found by Cheapflights users on 2/1. 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.
Thu 3/511:26 am
CPR
-
GEG
1 stop7h 00m
United Airlines
Sun 3/85:00 am
GEG
-
CPR
1 stop4h 51m
United Airlines
Deal found 2/1$293
This United Airlines deal was found by Cheapflights users on 2/5. 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 4/263:14 pm
CPR
-
GEG
1 stop6h 57m
United Airlines
Sat 5/21:41 pm
GEG
-
CPR
1 stop4h 16m
United Airlines
Deal found 2/5$322
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 2/49:10 am
CPR
-
GEG
1 stop7h 11m
United Airlines
Sat 2/75:00 am
GEG
-
CPR
1 stop4h 53m
United Airlines
Deal found 2/3$428

Find flight deals from Casper to Idaho

Keep the following information in mind while searching for Casper to Idaho flight deals. Data was last updated February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$293
(United Airlines)

Popular in

October

Cheapest in

December

Average price

$333
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 ($91 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 5, 2026.
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

Thu 3/5

11:26 am-5:26 pm

1 stop7h 00m

Spokane

Sun 3/8

5:00 am-10:51 am

1 stop4h 51m

$293

CasperSpokane

CPR - GEG

CPRGEG

Casper Natrona County

Sun 4/26

3:14 pm-9:11 pm

1 stop6h 57m

Spokane

Sat 5/2

1:41 pm-6:57 pm

1 stop4h 16m

$322

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

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 February 5, 2026.
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
9,240 reviews

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,240 reviews
United Airlines
7.4
Good
9,240 reviews

Food

6.6

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 $293, United Airlines can have you in Idaho from Casper in 7h. 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 February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$218Average$338FlexibilityNo cancel feeOn-time69%

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