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Cheap flights from Boise to Casper (BOI - CPR)

BOI — CPR
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Boise to Casper

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) 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 August 20, 2025.

Popular in

March

Cheapest in

September

Average price

$278
Highest demand for flights based on searches. 6% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Best time to book a flight from Boise to Casper

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

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

Find hourly flight availability from Boise 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 August 20, 2025.

When flying from Boise to Casper, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 52% versus a flight in the morning.

Reviews of airlines servicing Casper

Get insights into the airlines that provide service to Casper. 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 Casper. Reviews last updated August 20, 2025.
Read through reviews of airlines operating flights from Boise to Casper, 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
8,928 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,928 reviews
United Airlines
7.4
Good
8,928 reviews

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

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

  • What is the cheapest airline to fly from Boise to Casper round-trip?

    Our cheapest airline available from Boise to Casper is United Airlines. Our recent data shows that you can find tickets from as low as $218 on this airline. United Airlines is currently priced 28% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise 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.

  • What is the cheapest month to book a flight from Boise to Casper?

    Currently, January is the cheapest month in which you can book a flight from Boise to Casper (average of $348). Flying from Boise to Casper in June is currently the most expensive (average of $504). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 Boise to Casper

Discover the top airline that operate flights from Boise 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$218Average$331FlexibilityNo cancel feeOn-time69%

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