$136 Cheap Flights from Spokane (GEG) to St. Louis (STL)

View $136 flight on Thu, Jan 1, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $136 for one-way flights and $273 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Nov 11 - Wed, Nov 12
GEG
Spokane
STL
St. Louis
$273 Roundtrip, found 1 day ago
$273
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Nov 11 from Spokane to St. Louis, returning Wed, Nov 12, priced at $273 found 1 day ago
American Airlines
Wed, Oct 22 - Wed, Oct 29
GEG
Spokane
STL
St. Louis
$273 Roundtrip, found 3 days ago
$273
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Oct 22 from Spokane to St. Louis, returning Wed, Oct 29, priced at $273 found 3 days ago
Delta
Sat, Jan 17 - Tue, Jan 20
GEG
Spokane
STL
St. Louis
$273 Roundtrip, found 11 hours ago
$273
Roundtrip
found 11 hours ago
Select Delta flight, departing Sat, Jan 17 from Spokane to St. Louis, returning Tue, Jan 20, priced at $273 found 11 hours ago
United
Wed, Oct 22 - Wed, Oct 29
GEG
Spokane
STL
St. Louis
$273 Roundtrip, found 3 days ago
$273
Roundtrip
found 3 days ago
Select United flight, departing Wed, Oct 22 from Spokane to St. Louis, returning Wed, Oct 29, priced at $273 found 3 days ago
Delta
Mon, Nov 24 - Tue, Dec 9
GEG
Spokane
STL
St. Louis
$273 Roundtrip, found 2 hours ago
$273
Roundtrip
found 2 hours ago
Select Delta flight, departing Mon, Nov 24 from Spokane to St. Louis, returning Tue, Dec 9, priced at $273 found 2 hours ago
Delta
Tue, Nov 18 - Tue, Dec 2
GEG
Spokane
STL
St. Louis
$274 Roundtrip, found 3 days ago
$274
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Nov 18 from Spokane to St. Louis, returning Tue, Dec 2, priced at $274 found 3 days ago
Alaska Airlines
Wed, Oct 22 - Wed, Oct 29
GEG
Spokane
STL
St. Louis
$279 Roundtrip, found 3 days ago
$279
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Oct 22 from Spokane to St. Louis, returning Wed, Oct 29, priced at $279 found 3 days ago
Alaska Airlines
Sat, Oct 25 - Fri, Oct 31
GEG
Spokane
STL
St. Louis
$282 Roundtrip, found 21 hours ago
$282
Roundtrip
found 21 hours ago
Select Alaska Airlines flight, departing Sat, Oct 25 from Spokane to St. Louis, returning Fri, Oct 31, priced at $282 found 21 hours ago
Delta
Thu, Nov 20 - Tue, Dec 9
GEG
Spokane
STL
St. Louis
$282 Roundtrip, found 2 hours ago
$282
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, Nov 20 from Spokane to St. Louis, returning Tue, Dec 9, priced at $282 found 2 hours ago
Southwest Airlines
Sat, Nov 1 - Mon, Nov 3
GEG
Spokane
STL
St. Louis
$286 Roundtrip, found 5 days ago
$286
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Sat, Nov 1 from Spokane to St. Louis, returning Mon, Nov 3, priced at $286 found 5 days ago

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

September is typically the cheapest month to fly

From $204 - $519 per traveler.

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $527
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $527

Frequently asked questions

How much does a flight from Spokane Intl. Airport (GEG) to Lambert-St. Louis Intl. Airport (STL) cost?
Lock in a cheap one-way flight from $136 or cheap return flight from $273 from Spokane Intl. Airport (GEG) to Lambert-St. Louis Intl. Airport (STL) 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 Spokane Intl. Airport (GEG) to Lambert-St. Louis Intl. Airport (STL)?
Planning your getaway for November may help you find better deals, as it's the cheapest month for flights between GEG and STL. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Spokane Intl. Airport (GEG) to Lambert-St. Louis Intl. Airport (STL)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest GEG to STL flight.
How many flights per day from Spokane Intl. Airport (GEG) to Lambert-St. Louis Intl. Airport (STL)?
Nonstop flights from Spokane Intl. Airport (GEG) to Lambert-St. Louis Intl. Airport (STL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GEG to STL?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be 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 Spokane Intl. Airport (GEG) to Lambert-St. Louis Intl. Airport (STL)?
To avoid possible delays on the Spokane Intl. Airport (GEG) to Lambert-St. Louis Intl. Airport (STL) route, travel before 3 PM. Flights after this time are 22% more likely to be canceled.**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 Spokane Intl. Airport (GEG) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute fares from GEG to STL are usually more expensive. To secure the best rates, start looking for flights as early as possible. That being said, if you're flexible with your travel dates, you may land a cheap fare right before you leave.
Is it cheaper to book a GEG to STL flight and hotel package?
Securing a GEG to STL flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Pick from our wide range of accommodations and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Spokane Intl. Airport (GEG) to Lambert-St. Louis Intl. Airport (STL)?
In most instances, you can cancel or modify your GEG to STL flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like further details, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Spokane Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$272
Distance
1490 mi
Average flight time
6 hours 25 mins

Book with confidence

Book with confidence

Spokane to St. Louis Flights

The cheapest times to fly from Spokane to St. Louis

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

 

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

Sunday is one of the best days to book for cheap flights from Spokane to St. Louis: 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 Spokane to St. Louis

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 Spokane to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $136 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 Spokane to St. Louis 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 Spokane to St. Louis 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.

 

Spokane to St. Louis Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.