$145 Cheap Flights from St. Louis (STL) to Spokane (GEG)

View $145 flight on Wed, Oct 15, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Spokane International Airport (GEG)

Cheap Flights from St. Louis to Spokane (STL-GEG)

Prices were available within the past 7 days and start at $145 for one-way flights and $215 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Tue, Oct 21 - Fri, Oct 24
STL
St. Louis
GEG
Spokane
$215 Roundtrip, found 4 days ago
$215
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Oct 21 from St. Louis to Spokane, returning Fri, Oct 24, priced at $215 found 4 days ago
Southwest Airlines
Tue, Oct 21 - Fri, Oct 24
STL
St. Louis
GEG
Spokane
$220 Roundtrip, found 4 days ago
$220
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Oct 21 from St. Louis to Spokane, returning Fri, Oct 24, priced at $220 found 4 days ago
Southwest Airlines
Tue, Oct 21 - Fri, Oct 24
STL
St. Louis
GEG
Spokane
$229 Roundtrip, found 4 days ago
$229
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Oct 21 from St. Louis to Spokane, returning Fri, Oct 24, priced at $229 found 4 days ago
Hawaiian Airlines
Thu, Oct 30 - Fri, Oct 31
STL
St. Louis
GEG
Spokane
$232 Roundtrip, found 4 days ago
$232
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Thu, Oct 30 from St. Louis to Spokane, returning Fri, Oct 31, priced at $232 found 4 days ago
Delta
Sat, Oct 25 - Sat, Nov 1
STL
St. Louis
GEG
Spokane
$282 Roundtrip, found 1 day ago
$282
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Oct 25 from St. Louis to Spokane, returning Sat, Nov 1, priced at $282 found 1 day ago
Alaska Airlines
Wed, Oct 22 - Sat, Oct 25
STL
St. Louis
GEG
Spokane
$286 Roundtrip, found 4 days ago
$286
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Oct 22 from St. Louis to Spokane, returning Sat, Oct 25, priced at $286 found 4 days ago
Delta
Sat, Oct 25 - Fri, Oct 31
STL
St. Louis
GEG
Spokane
$288 Roundtrip, found 1 day ago
$288
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Oct 25 from St. Louis to Spokane, returning Fri, Oct 31, priced at $288 found 1 day ago
Southwest Airlines
Wed, Oct 22 - Sat, Oct 25
STL
St. Louis
GEG
Spokane
$289 Roundtrip, found 4 days ago
$289
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Wed, Oct 22 from St. Louis to Spokane, returning Sat, Oct 25, priced at $289 found 4 days ago
Alaska Airlines
Wed, Nov 5 - Thu, Nov 13
STL
St. Louis
GEG
Spokane
$290 Roundtrip, found 3 hours ago
$290
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Wed, Nov 5 from St. Louis to Spokane, returning Thu, Nov 13, priced at $290 found 3 hours ago
American Airlines
Wed, Nov 5 - Thu, Nov 13
STL
St. Louis
GEG
Spokane
$291 Roundtrip, found 3 hours ago
$291
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Nov 5 from St. Louis to Spokane, returning Thu, Nov 13, priced at $291 found 3 hours ago

Find the cheapest month to fly from St. Louis (STL) to Spokane (GEG)

September is typically the cheapest month to fly

From $186 - $704 per traveler.

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Spokane Intl. Airport (GEG) cost?
Snag a cheap one-way flight from $145 or cheap return flight from $215 from Lambert-St. Louis Intl. Airport (STL) to Spokane Intl. Airport (GEG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Spokane Intl. Airport (GEG)?
Planning your trip for October can help you save, as it's the cheapest month for flights between STL and GEG. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Spokane Intl. Airport (GEG)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest STL to GEG flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Spokane Intl. Airport (GEG)?
There aren't any daily direct flights departing from Lambert-St. Louis Intl. Airport (STL) to Spokane Intl. Airport (GEG). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from STL to GEG?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Spokane Intl. Airport (GEG)?
Opt for a flight from Lambert-St. Louis Intl. Airport (STL) to Spokane Intl. Airport (GEG) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Spokane Intl. Airport (GEG) last-minute?
Booking your flight from STL to GEG shortly before your getaway is generally more expensive. But if you're flexible with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a STL to GEG flight and hotel package?
Compared with arranging hotels and flights separately, booking a STL to GEG flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the hassle out of planning your trip. Simply secure your flights and select from our wide range of hotels, then personalize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Spokane Intl. Airport (GEG)?
If you booked your STL to GEG flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Spokane Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$214
Distance
1490 mi

Book with confidence

Book with confidence

St. Louis to Spokane Flights

The cheapest times to fly from St. Louis 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 St. Louis to Spokane are during the month of October. You can find some of the cheapest flights from St. Louis to Spokane with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Spokane

Sunday is one of the best days to book for cheap flights from St. Louis 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 St. Louis 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 St. Louis to Spokane in 2025. You can also book with separate airlines for your outbound and return journeys, from $145 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 St. Louis 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 St. Louis 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.

 

St. Louis to Spokane Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.