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

Currently priced at $368, United Airlines will fly you from Spokane to Casper and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. United Airlines is currently priced 24% below the average price you’ll pay for this route.

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

Currently, January is the cheapest month in which you can book a flight from Spokane to Casper (average of $348). Flying from Spokane 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.

What is the cheapest day to fly from Spokane to Casper?

Travelers seeking maximum savings on their Spokane to Casper flight should consider departing on Saturday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Casper ranges from 0.5 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. January is typically the driest time to visit Casper when rainfall is around 0.5 in.

If weather is an important factor for your trip to Casper, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 23.0 F).

What is the cheapest day to fly round-trip from Spokane to Casper?

Travelers have found that booking a Friday departure is the best way to save up to 153% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from Spokane to Casper?

February can be a great time to fly to Casper from Spokane with a flight ticket averaging about $489. Cheapflights users have found deals in the month of February for as cheap as $253. The most expensive prices can be found in the month of April.

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

When flying from Spokane 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 47% versus a flight at noon.

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

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

How can I find direct flights from Spokane to Casper?

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

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

Yes. Cheapflights offers flight deals from Spokane 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.

$268+ Flights from Spokane to Casper

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Cheap flight deals from Spokane to Casper

Round-trip from	$368 (United Airlines)
One-way from	$268 (United Airlines)
Popular in	April
Cheapest in	February
Average price	$578

From Spokane to Casper Natrona County

Search Deals

One-way flight from Spokane to Casper Natrona County

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Highest demand for flights based on searches. 18% potential increase in price ($112 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($32 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Spokane to Casper

Cheapest flights from Spokane to Casper
Explore the most affordable flight options available from Spokane to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Tue 8/265:15 amGEG - CPR

1 stop8h 21mUnited Airlines

Sat 8/305:30 amCPR - GEG

1 stop8h 06mUnited Airlines

Deal found 7/28

$368

Best flights from Spokane to Casper
Discover carefully curated flight deals from Spokane to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Tue 8/265:15 amGEG - CPR

1 stop8h 21mUnited Airlines

Sat 8/305:30 amCPR - GEG

1 stop8h 06mUnited Airlines

Deal found 7/28

$368

Last-minute flights from Spokane to Casper
Discover last-minute flight deals from Spokane to Casper. Data last updated July 29, 2025 and is based on user searches.

Tue 8/265:15 amGEG - CPR

1 stop8h 21mUnited Airlines

Sat 8/305:30 amCPR - GEG

1 stop8h 06mUnited Airlines

Deal found 7/28

$368

One-way flights from Spokane to Casper
Search for one-way flight options from Spokane to Casper. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Tue 8/265:15 amGEG - CPR

1 stop4h 35mUnited Airlines

Deal found 7/28

$268

Fly from

Fly to

Route

Depart

Return

Price

SpokaneCasper

GEG - CPR

GEGCPR

Spokane

Tue 8/26

5:15 am-2:36 pm

1 stop8h 21m

Casper Natrona County

Sat 8/30

5:30 am-12:36 pm

1 stop8h 06m

$368

SpokaneCasper

GEG - CPR

GEGCPR

Spokane

Tue 8/26

5:15 am-10:50 am

1 stop4h 35m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Spokane to Casper

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

Reviews of airlines servicing Casper

See what other customers who have flown with United Airlines from Spokane to Casper have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,896 reviews

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

8,896 reviews

United Airlines

7.4

Good

8,896 reviews

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

What is the cheapest airline to fly from Spokane to Casper round-trip?
Currently priced at $368, United Airlines will fly you from Spokane to Casper and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. United Airlines is currently priced 24% below the average price you’ll pay for this route.
Can I find deals for flights from Spokane to Casper that include hotel bookings?
Yes. In addition to deals on Spokane to Casper flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Spokane to Casper?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Spokane to Casper.
Can I find deals for business class flights from Spokane to Casper?
Yes. Cheapflights offers flight deals from Spokane 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 Spokane to Casper?
Currently, January is the cheapest month in which you can book a flight from Spokane to Casper (average of $348). Flying from Spokane 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

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Top airline flying from Spokane to Casper

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$253	Average$452	FlexibilityNo cancel fee	On-time69%

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$268+ Cheap flights from Spokane to Casper (GEG - CPR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Spokane to Casper with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Spokane to Casper

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Spokane to Casper

Cheapest flights from Spokane to CasperExplore the most affordable flight options available from Spokane to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from Spokane to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Spokane to Casper that are best for you.

Best time to book a flight from Spokane to Casper

Have a flexible travel schedule? Discover the best time to fly to Casper from Spokane with our price prediction graph.

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 July 29, 2025.

See what other customers who have flown with United Airlines from Spokane to Casper have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Spokane 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 Spokane to Casper round-trip?

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

How can I find direct flights from Spokane to Casper?

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

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

Traveling to a place near Casper?

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Alternative routes for Spokane to Casper

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Top airline flying from Spokane to Casper

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Cheapest flights from Spokane to Casper
Explore the most affordable flight options available from Spokane to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.