A bridge over a calm river, autumn trees with vibrant foliage, and a clock tower.

$268 Cheap Flights from Casper (CPR) to Spokane (GEG)

View $268 flight on Tue, Sep 1, 2026Opens in a new window

Popular airlines from Casper, WY (CPR-Natrona County Intl.) to Spokane International Airport (GEG)

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Cheap Flights from Casper to Spokane (CPR-GEG)

Prices were available within the past 7 days and start at $268 for one-way flights and $308 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Sep 19 - Sat, Sep 26
CPR
Casper
GEG
Spokane
$308 Roundtrip, found 4 days ago
$308
Roundtrip
found 4 days ago
Select United flight, departing Sat, Sep 19 from Casper to Spokane, returning Sat, Sep 26, priced at $308 found 4 days ago
United
Sat, Sep 19 - Sat, Sep 26
CPR
Casper
GEG
Spokane
$334 Roundtrip, found 4 days ago
$334
Roundtrip
found 4 days ago
Select United flight, departing Sat, Sep 19 from Casper to Spokane, returning Sat, Sep 26, priced at $334 found 4 days ago
United
Sat, Aug 22 - Tue, Sep 8
CPR
Casper
GEG
Spokane
$368 Roundtrip, found 12 hours ago
$368
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Aug 22 from Casper to Spokane, returning Tue, Sep 8, priced at $368 found 12 hours ago
United
Wed, Sep 2 - Mon, Sep 7
CPR
Casper
GEG
Spokane
$388 Roundtrip, found 12 hours ago
$388
Roundtrip
found 12 hours ago
Select United flight, departing Wed, Sep 2 from Casper to Spokane, returning Mon, Sep 7, priced at $388 found 12 hours ago
United
Sat, Aug 22 - Tue, Sep 8
CPR
Casper
GEG
Spokane
$410 Roundtrip, found 12 hours ago
$410
Roundtrip
found 12 hours ago
Select United flight, departing Sat, Aug 22 from Casper to Spokane, returning Tue, Sep 8, priced at $410 found 12 hours ago
United
Sat, Sep 19 - Sat, Sep 26
CPR
Casper
GEG
Spokane
$414 Roundtrip, found 4 days ago
$414
Roundtrip
found 4 days ago
Select United flight, departing Sat, Sep 19 from Casper to Spokane, returning Sat, Sep 26, priced at $414 found 4 days ago
United
Sat, Sep 19 - Sat, Sep 26
CPR
Casper
GEG
Spokane
$420 Roundtrip, found 4 days ago
$420
Roundtrip
found 4 days ago
Select United flight, departing Sat, Sep 19 from Casper to Spokane, returning Sat, Sep 26, priced at $420 found 4 days ago
United
Thu, Mar 11 - Mon, Mar 15
CPR
Casper
GEG
Spokane
$430 Roundtrip, found 1 day ago
$430
Roundtrip
found 1 day ago
Select United flight, departing Thu, Mar 11 from Casper to Spokane, returning Mon, Mar 15, priced at $430 found 1 day ago
United
Thu, Mar 11 - Mon, Mar 15
CPR
Casper
GEG
Spokane
$432 Roundtrip, found 1 day ago
$432
Roundtrip
found 1 day ago
Select United flight, departing Thu, Mar 11 from Casper to Spokane, returning Mon, Mar 15, priced at $432 found 1 day ago
United
Thu, Mar 11 - Mon, Mar 15
CPR
Casper
GEG
Spokane
$433 Roundtrip, found 1 day ago
$433
Roundtrip
found 1 day ago
Select United flight, departing Thu, Mar 11 from Casper to Spokane, returning Mon, Mar 15, priced at $433 found 1 day ago

What you need to know for your flight from Natrona County Intl. to Spokane Intl.

Casper (CPR) to Spokane (GEG) at a glance

Travel from Casper (CPR) to Spokane (GEG) with a full-service airline on this domestic short-haul route. Explore Spokane's iconic attractions and neighborhoods while finding the schedule that aligns with your travel plans. Below, you’ll find essential details for flights from Natrona County International Airport to Spokane International Airport, making your journey seamless and enjoyable.

  • Fastest flight duration: around 4 hours in-flight, plus roughly 2h 30m layover with one stop
  • Route distance: roughly 600 miles (970 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $125–$470, depending on seasonality and how far ahead you book

Flights from Natrona County International Airport (CPR) to Spokane International Airport (GEG)

Based on the latest traveler bookings, here are the top airlines favored for flights from Casper to Spokane, typically featuring one-stop itineraries with a common layover at Denver International Airport (DEN), which lasts around 2 hours and 30 minutes. This allows you to easily compare prices, total travel durations, and cabin classes to discover the best travel options.

  • United: As a comprehensive airline, United provides a convenient one-stop service, with one-way ticket prices generally falling between $125 and $470. This carrier dominates departures on this route, featuring an in-flight duration of 4 hours and a total travel time of approximately 6 hours and 30 minutes, including layover time.

Alternative route from Casper (CPR) to Spokane (GEG)

  • Casper to Spokane (CPR-SFF): Felts Field Airport (SFF) lies approximately 11 miles from Spokane International Airport (GEG).

How to find the best prices for flights from Casper (CPR) to Spokane (GEG)

Getting some of the best deals on flights from Casper to Spokane is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2 to 8 weeks in advance, which coincides with when most travelers make their reservations. Afternoon departures (12 PM to 6 PM) often offer lower prices, while morning flights (5 AM to 12 PM) are the most popular. Additionally, flying on Monday tends to be cheaper, although Friday remains the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Spokane International Airport from Natrona County International Airport

Spokane welcomes travelers from Casper with a range of transport options based on price, convenience, and proximity. Here's how to reach Spokane efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Spokane, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Spokane International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Spokane International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Spokane International Airport, Spokane Seaport, a seaport, is located about 7.4 miles away by car, while Spokane Intermodal Center, a train station, is just 7.6 miles away by car, providing convenient transportation options for travelers.

Frequently asked questions

How much does a flight from Casper, WY (CPR-Natrona County Intl.) to Spokane, WA (GEG-Spokane Intl.) cost?
You can find cheap one-way flights from $268 and cheap return flights from $308 Casper, WY (CPR-Natrona County Intl.) to Spokane, WA (GEG-Spokane Intl.) with Expedia. One-way flights typically cost between $444 and $1687, and return flights often range between $375 and $1574. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Casper, WY (CPR-Natrona County Intl.) to Spokane, WA (GEG-Spokane Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Casper, WY (CPR-Natrona County Intl.) to Spokane, WA (GEG-Spokane Intl.)?
The cheapest month to fly from CPR to GEG is September when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Casper, WY (CPR-Natrona County Intl.) to Spokane, WA (GEG-Spokane Intl.)?
Enter CPR to GEG and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Casper, WY (CPR-Natrona County Intl.) to Spokane, WA (GEG-Spokane Intl.)?
United is one of the cheapest airlines offering connecting flights from Casper, WY (CPR) to Spokane, WA (GEG), with round-trip tickets starting from around $238. This flight includes a layover in Denver Intl. (DEN). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Casper, WY (CPR-Natrona County Intl.) to Spokane, WA (GEG-Spokane Intl.)?
To find a cheap flight from Casper, WY (CPR-Natrona County Intl.) to Spokane, WA (GEG-Spokane Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Casper, WY (CPR-Natrona County Intl.) to Spokane, WA (GEG-Spokane Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Casper, WY (CPR-Natrona County Intl.) to Spokane, WA (GEG-Spokane Intl.)?
The earliest flight from Natrona County International Airport (CPR) to Spokane International Airport (GEG) typically departs at around 5:25 AM, operated by United Airlines and Alaska Airlines. An early departure like this can help you make the most of your time in Spokane. This service operates seasonally in March. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Casper, WY (CPR-Natrona County Intl.) to Spokane, WA (GEG-Spokane Intl.)?
The most popular departure times for flights from Casper, WY (CPR) to Spokane, WA (GEG) are in the late morning, from 9am to 12pm. About 33% of passengers prefer this time window. Many major carriers, including United Airlines and Delta Air Lines, offer flights during this window. This timing works well because it allows you to start your day early and arrive in Spokane before the afternoon.
How long does it take to fly from Casper, WY (CPR-Natrona County Intl.) to Spokane, WA (GEG-Spokane Intl.)?
Flights from CPR to GEG with one stop typically take around 4 hours 50 minutes, covering approximately 629 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Casper, WY (CPR-Natrona County Intl.) to Spokane, WA (GEG-Spokane Intl.)?
First class seats are offered on the CPR to GEG route with United Airlines.
How do I earn miles on a Casper, WY (CPR-Natrona County Intl.) to Spokane, WA (GEG-Spokane Intl.) flight with Expedia?
It's easy to earn miles on a Casper, WY (CPR-Natrona County Intl.) to Spokane, WA (GEG-Spokane Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Spokane from Natrona County Intl. (CPR)?
If you're planning to travel to Spokane from Natrona County Intl. (CPR), you can fly into Spokane Intl. (GEG) Some flights may connect through major hubs like Denver Intl. (DEN) before reaching Spokane. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Casper, WY (CPR-Natrona County Intl.) to Spokane, WA (GEG-Spokane Intl.) at the last minute?
Typically, booking a last minute flight from Casper, WY (CPR-Natrona County Intl.) to Spokane, WA (GEG-Spokane Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Casper, WY (CPR-Natrona County Intl.) to Spokane, WA (GEG-Spokane Intl.) flight and hotel package?
Securing a Casper, WY (CPR-Natrona County Intl.) to Spokane, WA (GEG-Spokane Intl.) Spokane Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Casper, WY (CPR-Natrona County Intl.) to Spokane, WA (GEG-Spokane Intl.)?
If you booked your Casper, WY (CPR-Natrona County Intl.) to Spokane, WA (GEG-Spokane Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Natrona County Intl.
Destination airport
Spokane Intl.
Airlines serving
United
Roundtrip price
$308
Distance
628 mi

Book with confidence

Casper to Spokane Flights

The cheapest times to fly from Casper to Spokane

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Casper to Spokane are during the month of September. You can find some of the cheapest flights from Casper to Spokane with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Casper to Spokane

Sunday is one of the best days to book for cheap flights from Casper to Spokane: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Casper to Spokane

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Casper to Spokane in 2026. You can also book with separate airlines for your outbound and return journeys, from $268 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Casper to Spokane flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Casper to Spokane airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Casper to Spokane Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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