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Cheap flights from St. Louis to Spokane from $121

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Spokane departing on 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Spokane

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:55 pm - 11:55 pm
STL
-
GEG
6h 00m
1 stop
Delta Logo
5:00 pm - 12:41 am
GEG
-
STL
5h 41m
1 stop
$363Delta
Wed, Jul 29 - Wed, Aug 12
Southwest Logo
2:45 pm - 10:25 pm
STL
-
GEG
9h 40m
2 stops
Southwest Logo
1:55 pm - 9:10 pm
GEG
-
STL
5h 15m
1 stop
$368Southwest
Tue, Sep 15 - Tue, Sep 22
Delta Logo
8:00 am - 12:22 pm
STL
-
GEG
6h 22m
1 stop
Delta Logo
6:45 am - 4:44 pm
GEG
-
STL
7h 59m
1 stop
$373Delta
Wed, Sep 2 - Sun, Sep 6
Multiple Airlines Logo
6:45 pm - 9:22 am
STL
-
GEG
16h 37m
1 stop
Multiple Airlines Logo
10:12 am - 7:13 pm
GEG
-
STL
31h 01m
2 stops
$377Multiple Airlines
Wed, Aug 26 - Sun, Aug 30
United Airlines Logo
1:36 pm - 10:36 pm
STL
-
GEG
11h 00m
2 stops
United Airlines Logo
5:00 am - 12:40 pm
GEG
-
STL
5h 40m
1 stop
$378United Airlines
Wed, Sep 2 - Sun, Sep 6
Delta Logo
7:55 pm - 11:59 pm
STL
-
GEG
6h 04m
1 stop
Delta Logo
7:00 am - 3:16 pm
GEG
-
STL
6h 16m
1 stop
$383Delta
Wed, Jul 1 - Sat, Jul 4
Alaska Airlines Logo
6:08 pm - 11:11 pm
STL
-
GEG
7h 03m
1 stop
Alaska Airlines Logo
5:12 am - 5:10 pm
GEG
-
STL
9h 58m
1 stop
$388Alaska Airlines
Thu, Aug 20 - Tue, Aug 25
American Airlines Logo
5:42 am - 2:09 pm
STL
-
GEG
10h 27m
2 stops
American Airlines Logo
2:27 pm - 11:58 pm
GEG
-
STL
7h 31m
1 stop
$390American Airlines
Wed, Sep 2 - Sun, Sep 6
American Airlines Logo
6:00 am - 1:37 pm
STL
-
GEG
9h 37m
1 stop
American Airlines Logo
5:20 am - 6:05 pm
GEG
-
STL
10h 45m
2 stops
$393American Airlines
Thu, Aug 20 - Tue, Aug 25
American Airlines Logo
6:55 am - 1:39 pm
STL
-
GEG
8h 44m
1 stop
American Airlines Logo
2:27 pm - 12:14 am
GEG
-
STL
7h 47m
1 stop
$395American Airlines
Tue, Aug 4 - Mon, Aug 10

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United Airlines flights from St. Louis to Spokane

Our best United Airlines deals on St. Louis to Spokane flight tickets
United Airlines
Sep 2
STL1:36 pmLambert-St Louis
11h 00m
2 stops
GEG10:36 pmSpokane
Sep 6
GEG5:00 amSpokane
5h 40m
1 stop
STL12:40 pmLambert-St Louis
$378
United Airlines
Sep 2
STL1:36 pmLambert-St Louis
11h 00m
2 stops
GEG10:36 pmSpokane
Sep 6
GEG5:00 amSpokane
5h 40m
1 stop
STL12:40 pmLambert-St Louis
$425
United Airlines
Sep 2
STL1:36 pmLambert-St Louis
11h 00m
2 stops
GEG10:36 pmSpokane
Sep 6
GEG5:00 amSpokane
5h 40m
1 stop
STL12:40 pmLambert-St Louis
$430

American Airlines flights from St. Louis to Spokane

Our best American Airlines deals on St. Louis to Spokane flight tickets
American Airlines
Sep 2
STL5:42 amLambert-St Louis
10h 27m
2 stops
GEG2:09 pmSpokane
Sep 6
GEG2:27 pmSpokane
7h 31m
1 stop
STL11:58 pmLambert-St Louis
$390
American Airlines
Aug 20
STL6:00 amLambert-St Louis
9h 37m
1 stop
GEG1:37 pmSpokane
Aug 25
GEG5:20 amSpokane
10h 45m
2 stops
STL6:05 pmLambert-St Louis
$393
American Airlines
Aug 4
STL6:55 amLambert-St Louis
8h 44m
1 stop
GEG1:39 pmSpokane
Aug 10
GEG2:27 pmSpokane
7h 47m
1 stop
STL12:14 amLambert-St Louis
$395

momondo 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, momondo users made 832,500 searches. Data last updated June 20, 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
Quickest round-trip

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Wed 7/29

7:55 pm-11:55 pm

1 stop6h 00m

Spokane

Wed 8/12

5:00 pm-12:41 am

1 stop5h 41m

$363

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Tue 9/15

2:45 pm-10:25 pm

2 stops9h 40m

Spokane

Tue 9/22

1:55 pm-9:10 pm

1 stop5h 15m

$368

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Wed 9/2

8:00 am-12:22 pm

1 stop6h 22m

Spokane

Sun 9/6

6:45 am-4:44 pm

1 stop7h 59m

$373

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Wed 8/26

6:45 pm-9:22 am

1 stop16h 37m

Spokane

Sun 8/30

10:12 am-7:13 pm

2 stops31h 01m

$377

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Wed 9/2

1:36 pm-10:36 pm

2 stops11h 00m

Spokane

Sun 9/6

5:00 am-12:40 pm

1 stop5h 40m

$378

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Wed 7/1

7:55 pm-11:59 pm

1 stop6h 04m

Spokane

Sat 7/4

7:00 am-3:16 pm

1 stop6h 16m

$383

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Thu 8/20

6:08 pm-11:11 pm

1 stop7h 03m

Spokane

Tue 8/25

5:12 am-5:10 pm

1 stop9h 58m

$388

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Wed 9/2

5:42 am-2:09 pm

2 stops10h 27m

Spokane

Sun 9/6

2:27 pm-11:58 pm

1 stop7h 31m

$390

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Thu 8/20

6:00 am-1:37 pm

1 stop9h 37m

Spokane

Tue 8/25

5:20 am-6:05 pm

2 stops10h 45m

$393

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Tue 8/4

6:55 am-1:39 pm

1 stop8h 44m

Spokane

Mon 8/10

2:27 pm-12:14 am

1 stop7h 47m

$395

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Spokane from

How to get the cheapest flight ticket from St. Louis to Spokane

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and Spokane?

What is the cheapest month to fly to Spokane?

The month of March is, on average, the cheapest month to fly to Spokane from St. Louis, with most prices found around $321. If you’re not able to fly to Spokane in March, then January is your next best option. Flight prices from St. Louis to Spokane during January average around $333.

How have St. Louis to Spokane flight prices changed over time?

When to book flights from St. Louis to Spokane

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Spokane according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Spokane (STL to GEG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Spokane

Fastest flight time

6h 00m

Direct flights

None
The fastest flight from St. Louis to Spokane takes 6h 00m
There are no direct flights from St. Louis to Spokane. There are no popular flight routes from St. Louis to Spokane.
Search flight deals

Frequently asked questions about flying from St. Louis to Spokane

  • How far is Lambert-St Louis to Spokane by plane?

    Lambert-St Louis and Spokane are 1496.7 mi apart from one another. In terms of flight time, this usually takes a little over 6h 00m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Spokane Airport?

    Prices for flights from Lambert-St Louis Airport to Spokane Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Spokane Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Spokane Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Spokane Airport.

  • What documentation or ID do you need to fly to Spokane Airport?

    The necessary travel and health documents for your Spokane Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Spokane?

Best airlines flying from St. Louis to Spokane

Compare and see reviews for airlines that fly from St. Louis to Spokane with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $151Free CancellationRating
7.9
12,550 reviews
Search Alaska Airlines flights
DeltaPriceFrom $190Free CancellationRating
7.8
8,420 reviews
Search Delta flights
American AirlinesPriceFrom $278Free CancellationRating
7.1
11,716 reviews
Search American Airlines flights
SouthwestPriceFrom $286Free CancellationRating
7.9
4,241 reviews
Search Southwest flights
United AirlinesPriceFrom $371Free CancellationRating
7.4
9,865 reviews
Search United Airlines flights

Traveling to a place near Spokane?

Book flights to Spokane if you plan to visit one of these locations
Coeur d'Alene
Sandpoint
Spokane Valley
Post Falls
Bonners Ferry
Airway Heights
Kellogg
Newport
Ritzville

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Spokane?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Spokane for you.

Can I find flights from St. Louis to Spokane with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Spokane from St. Louis with this policy.

How can momondo help me find flights from St. Louis to Spokane?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Spokane from St. Louis.

I’m not ready to book a flight from St. Louis to Spokane right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Spokane now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Spokane and let you know when they change.

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