St. Louis

$127+ Cheap flights from Spokane to St. Louis (GEG - STL)

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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
GEG — STL
Aug 3 — Aug 101
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Spokane to St. Louis 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.

Cheapflights Tip: The best prices from Spokane to Lambert-St Louis are usually found in September or February, booked 62 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Spokane to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Spokane (GEG) to St. Louis (STL). 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 July 29, 2025.

Round-trip from

$235
(FlightHub)

One-way from

$127
(FlightHub)

Popular in

January

Cheapest in

September

Average price

$457
From Spokane to Lambert-St Louis
One-way flight from Spokane to Lambert-St Louis
Highest demand for flights based on searches. 8% potential increase in price ($39 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Spokane to St. Louis

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

This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2111:52 amGEG - STL
1 stop19h 19mFrontier
Sat 8/237:54 pmSTL - GEG
1 stop17h 13mFrontier
Deal found 7/29$235
This Hawaiian Airlines deal was found by Cheapflights users on 7/27. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/279:25 amGEG - STL
1 stop6h 09mHawaiian Airlines
Tue 9/306:00 amSTL - GEG
1 stop7h 30mHawaiian Airlines
Deal found 7/27$252
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 8/205:15 amGEG - STL
1 stop5h 28mUnited Airlines
Sat 8/234:40 pmSTL - GEG
1 stop6h 23mUnited Airlines
Deal found 7/28$253
This Southwest deal was found by Cheapflights users on 7/28. 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.
Wed 8/206:15 amGEG - STL
2 stops14h 00mSouthwest
Sat 8/236:30 amSTL - GEG
1 stop7h 00mSouthwest
Deal found 7/28$264
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 9/37:44 pmGEG - STL
1 stop16h 55mAlaska Airlines
Sun 9/76:00 amSTL - GEG
1 stop8h 46mAlaska Airlines
Deal found 7/28$265
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 8/2012:29 pmGEG - STL
1 stop8h 45mAmerican Airlines
Sat 8/237:53 amSTL - GEG
1 stop7h 14mAmerican Airlines
Deal found 7/29$267
This Delta deal was found by Cheapflights users on 7/28. 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.
Sat 9/275:30 pmGEG - STL
2 stops13h 07mDelta
Tue 9/302:31 pmSTL - GEG
1 stop5h 54mDelta
Deal found 7/28$273
This Mytrip deal was found by Cheapflights users on 7/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2811:53 amGEG - STL
2 stops23h 39mMultiple Airlines
Sun 8/312:30 pmSTL - GEG
2 stops21h 21mMultiple Airlines
Deal found 7/27$326

Cheapflights Fare Finder

 
Customize your flight search to find flights from Spokane to St. Louis 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 July 29, 2025.
Use the filters below to find and compare flights from Spokane to St. Louis that are best for you.

Fly from

Spokane

Fly to

St. Louis

Route

Depart

Return

Price

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Thu 8/21

11:52 am-9:11 am

1 stop19h 19m

Lambert-St Louis

Sat 8/23

7:54 pm-11:07 am

1 stop17h 13m

$235

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Sat 9/27

9:25 am-5:34 pm

1 stop6h 09m

Lambert-St Louis

Tue 9/30

6:00 am-11:30 am

1 stop7h 30m

$252

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Wed 8/20

5:15 am-12:43 pm

1 stop5h 28m

Lambert-St Louis

Sat 8/23

4:40 pm-9:03 pm

1 stop6h 23m

$253

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Wed 8/20

6:15 am-10:15 pm

2 stops14h 00m

Lambert-St Louis

Sat 8/23

6:30 am-11:30 am

1 stop7h 00m

$264

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Wed 9/3

7:44 pm-2:39 pm

1 stop16h 55m

Lambert-St Louis

Sun 9/7

6:00 am-12:46 pm

1 stop8h 46m

$265

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Wed 8/20

12:29 pm-11:14 pm

1 stop8h 45m

Lambert-St Louis

Sat 8/23

7:53 am-1:07 pm

1 stop7h 14m

$267

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Sat 9/27

5:30 pm-8:37 am

2 stops13h 07m

Lambert-St Louis

Tue 9/30

2:31 pm-6:25 pm

1 stop5h 54m

$273

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Thu 8/28

11:53 am-1:32 pm

2 stops23h 39m

Lambert-St Louis

Sun 8/31

2:30 pm-9:51 am

2 stops21h 21m

$326

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Thu 8/14

11:58 am-9:11 am

1 stop19h 13m

$127

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Thu 8/14

3:46 pm-1:32 pm

2 stops19h 46m

$194

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 16 results
1
2

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

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

Cheapflights Insights

Everything you need to know about your flight from Spokane to St. Louis

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

Use this chart to determine the optimal time to book a round-trip flight from Spokane to St. Louis. Price data was last updated on July 25, 2025.

Booking 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from Spokane to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Spokane to St. Louis (average of $311). Flying from Spokane to St. Louis in March is currently the most expensive (average of $356). 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 time of day to fly from GEG to STL?

Find hourly flight availability from Spokane to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

It’s typically best to fly out from Spokane to St. Louis in the afternoon. Doing so could potentially save you 36% on the flight price compared to flying in the evening, which is usually more expensive.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated July 29, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Spokane to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
8.0
Very good

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Spokane to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Spokane to St. Louis round-trip?

    According to our current data, Frontier ($235), Hawaiian Airlines ($252), and United Airlines ($253) offers the cheapest pricing from Spokane to St. Louis. Frontier is currently priced 46% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $127. Alaska Airlines flights start at $203 while deals on American Airlines start at $254 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Spokane to St. Louis (average of $311). Flying from Spokane to St. Louis in March is currently the most expensive (average of $356). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Chesterfield
Festus
Farmington

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 4 airlines flying from Spokane to St. Louis

Discover the top 4 airlines that operate flights from Spokane to St. Louis. 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$288Average$407FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$315Average$491FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$321Average$446FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$331Average$456FlexibilityNo 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.