Spokane

$139+ Cheap flights from St. Louis to Spokane (STL - GEG)

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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GEG
Apr 9 — Apr 161
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Spokane with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to Spokane

Cheapest flights from St. Louis to Spokane
Explore the most affordable flight options available from St. Louis to Spokane. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.

This Alaska Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:00 am
STL
-
GEG
1 stop8h 23m
Alaska Airlines
Wed 4/292:45 pm
GEG
-
STL
1 stop7h 14m
Alaska Airlines
Deal found 3/7$302
This Delta deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/231:46 pm
STL
-
GEG
2 stops12h 34m
Delta
Thu 4/307:38 pm
GEG
-
STL
2 stops11h 08m
Delta
Deal found 3/9$352
This Kiwi.com deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/258:12 pm
STL
-
GEG
1 stop16h 35m
Frontier
Sun 3/2911:33 am
GEG
-
STL
1 stop20h 16m
Frontier
Deal found 3/5$355
This Kiwi.com deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/258:12 pm
STL
-
GEG
2 stops26h 19m
Multiple Airlines
Sun 3/2911:33 am
GEG
-
STL
1 stop20h 16m
Multiple Airlines
Deal found 3/5$356
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:45 am
STL
-
GEG
2 stops15h 49m
United Airlines
Wed 4/291:46 pm
GEG
-
STL
1 stop5h 08m
United Airlines
Deal found 3/8$362
This American Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:00 am
STL
-
GEG
1 stop7h 44m
American Airlines
Fri 4/103:15 pm
GEG
-
STL
1 stop6h 44m
American Airlines
Deal found 3/7$364
This Southwest deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/66:40 pm
STL
-
GEG
2 stops8h 25m
Southwest
Fri 4/102:50 pm
GEG
-
STL
1 stop7h 00m
Southwest
Deal found 3/7$369
This Trip.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:46 pm
STL
-
GEG
1 stop8h 25m
Alaska Airlines
Thu 4/303:12 pm
GEG
-
STL
1 stop6h 47m
Alaska Airlines
Deal found 3/9$372
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:29 am
STL
-
GEG
1 stop8h 41m
Delta
Mon 4/610:40 pm
GEG
-
STL
1 stop8h 25m
Delta
Deal found 3/8$382
This Alaska Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/157:41 pm
STL
-
GEG
1 stop20h 35m
Alaska Airlines
Mon 5/187:25 pm
GEG
-
STL
1 stop19h 12m
Alaska Airlines
Deal found 3/6$394

Find flight deals from St. Louis to Spokane

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Spokane (GEG). 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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$302
(Alaska Airlines)

One-way from

$139
(American Airlines)

Popular in

April

Cheapest in

January

Average price

$546
Provider with most accurate pricing for Lambert-St Louis-Spokane flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Spokane flights.
From Lambert-St Louis to Spokane
One-way flight from Lambert-St Louis to Spokane
Highest demand for flights based on searches. 22% potential increase in price ($128 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Spokane that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 10, 2026.
Use the filters below to find and compare flights from St. Louis to Spokane that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Tue 4/28

7:00 am-1:23 pm

1 stop8h 23m

Spokane

Wed 4/29

2:45 pm-11:59 pm

1 stop7h 14m

$302

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Tue 4/28

9:10 am-9:34 pm

2 stops14h 24m

Spokane

Wed 4/29

1:46 pm-8:54 pm

1 stop5h 08m

$362
Quickest round-trip

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Mon 4/6

6:40 pm-1:05 am

2 stops8h 25m

Spokane

Fri 4/10

2:50 pm-11:50 pm

1 stop7h 00m

$369

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Fri 5/15

7:41 pm-2:16 pm

1 stop20h 35m

Spokane

Mon 5/18

7:25 pm-4:37 pm

1 stop19h 12m

$394

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Fri 5/15

2:27 pm-10:51 pm

2 stops10h 24m

Spokane

Mon 5/18

7:23 pm-10:32 am

2 stops13h 09m

$402

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Sun 8/2

5:33 pm-11:02 pm

1 stop7h 29m

Spokane

Thu 8/13

5:00 am-4:33 pm

1 stop9h 33m

$422

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Mon 8/3

5:30 pm-12:30 am

2 stops9h 00m

Spokane

Sat 8/8

8:00 am-10:20 pm

1 stop12h 20m

$459
Cheapest one-way

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Wed 4/15

5:51 am-12:32 pm

1 stop8h 41m

$139
Quickest one-way

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Sat 4/25

8:00 am-12:32 pm

1 stop6h 32m

$139

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Sat 4/25

8:45 am-4:05 pm

2 stops9h 20m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from St. Louis to Spokane

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Spokane in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Spokane flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Spokane flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Spokane flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Spokane flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Spokane flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Spokane

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

How far ahead should I book a flight from St. Louis to Spokane?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Spokane. Price data was last updated on March 6, 2026.

The price you pay for your flight from St. Louis to Spokane may vary depending on when you book. For the best chance of a lower fare, look to book 22 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from St. Louis to Spokane?

Currently, September is the cheapest month in which you can book a flight from St. Louis to Spokane (average of $122). Flying from St. Louis to Spokane in April is currently the most expensive (average of $413). 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.

Reviews of airlines servicing Spokane

Get insights into the airlines that provide service to Spokane. 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 Spokane. Reviews last updated March 10, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Southwest, andDelta from St. Louis to Spokane to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Spokane. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from St. Louis to Spokane?

    A quick flight from St. Louis to Spokane can take about 8h 23m. Alaska Airlines provides one of the quickest options available for as low as $302. The distance between St. Louis and Spokane is about 1488 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from St. Louis to Spokane round-trip?

    Our cheapest airline available from St. Louis to Spokane is Alaska Airlines. Our recent data shows that you can find tickets from as low as $151 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $153 and $278 round-trip. Alaska Airlines is priced at 65% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from St. Louis to Spokane one-way?

    The cheapest airlines for a one-way flight from St. Louis to Spokane are American Airlines ($82), Southwest ($118), and Delta ($118).

  • Can I find deals for flights from St. Louis to Spokane that include hotel bookings?

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

  • How can I find direct flights from St. Louis to Spokane?

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

  • Can I find deals for business class flights from St. Louis to Spokane?

    Yes. Cheapflights offers flight deals from St. Louis to Spokane 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 St. Louis to Spokane?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Spokane (average of $122). Flying from St. Louis to Spokane in April is currently the most expensive (average of $413). 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 Spokane?

Book flights to Spokane if you plan to visit one of these locations
Post Falls
Spokane Valley

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from St. Louis to Spokane

Discover the top 5 airlines that operate flights from St. Louis to Spokane. 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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$151Average$461FlexibilityNo cancel feeOn-time75%
DeltaCheapest$153Average$374FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$278Average$406FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$298Average$516FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$348Average$437FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.