Cheap flights from St. Louis to Spokane from $77

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 12/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Frontier Logo
7:45 pm - 11:08 amSTL-GEG
17h 23m1 stop
Frontier Logo
12:03 pm - 9:07 amGEG-STL
19h 04m1 stop
$171Frontier
Find Deal
Wed, Nov 12 - Sun, Nov 16
Delta Logo
2:20 pm - 10:49 pmSTL-GEG
10h 29m2 stops
Delta Logo
7:35 pm - 9:10 amGEG-STL
11h 35m2 stops
$236Delta
Find Deal
Fri, Dec 5 - Mon, Dec 8
Frontier Logo
7:43 pm - 11:28 amSTL-GEG
17h 45m1 stop
Frontier Logo
12:23 pm - 10:02 amGEG-STL
19h 39m1 stop
$257Frontier
Find Deal
Sat, Feb 21 - Sun, Mar 1
Multiple Airlines Logo
7:43 pm - 11:13 amSTL-GEG
17h 30m1 stop
Multiple Airlines Logo
9:13 pm - 12:12 pmGEG-STL
12h 59m1 stop
$298Multiple Airlines
Find Deal
Sat, Dec 6 - Sun, Dec 7
Alaska Airlines Logo
2:50 pm - 9:25 pmSTL-GEG
8h 35m1 stop
Alaska Airlines Logo
7:49 pm - 1:54 pmGEG-STL
16h 05m1 stop
$299Alaska Airlines
Find Deal
Tue, Jan 13 - Tue, Jan 20
American Airlines Logo
11:55 am - 6:49 pmSTL-GEG
8h 54m1 stop
American Airlines Logo
6:00 am - 2:47 pmGEG-STL
6h 47m1 stop
$300American Airlines
Find Deal
Thu, Jan 15 - Sun, Jan 18
Multiple Airlines Logo
7:43 pm - 8:32 pmSTL-GEG
26h 49m2 stops
Multiple Airlines Logo
12:23 pm - 10:02 amGEG-STL
19h 39m1 stop
$324Multiple Airlines
Find Deal
Sat, Feb 21 - Sun, Mar 1
Alaska Airlines Logo
7:00 am - 12:39 pmSTL-GEG
7h 39m1 stop
Alaska Airlines Logo
5:51 am - 2:27 pmGEG-STL
6h 36m1 stop
$325Alaska Airlines
Find Deal
Thu, Dec 4 - Sat, Dec 6
American Airlines Logo
7:00 am - 1:50 pmSTL-GEG
8h 50m1 stop
American Airlines Logo
1:14 pm - 8:08 amGEG-STL
16h 54m1 stop
$400American Airlines
Find Deal
Tue, Nov 25 - Wed, Dec 3
United Airlines Logo
5:02 pm - 10:30 pmSTL-GEG
7h 28m1 stop
United Airlines Logo
5:05 am - 4:27 pmGEG-STL
9h 22m2 stops
$472United Airlines
Find Deal
Sat, Dec 20 - Sat, Dec 27

Delta flights from St. Louis to Spokane

Our best Delta deals on St. Louis to Spokane flight tickets
Delta
Dec 5
STL2:20 pmLambert-St Louis
10h 29m
2 stops
GEG10:49 pmSpokane
Dec 8
GEG7:35 pmSpokane
11h 35m
2 stops
STL9:10 amLambert-St Louis
Delta
Dec 5
STL2:38 pmLambert-St Louis
11h 33m
2 stops
GEG12:11 amSpokane
Dec 8
GEG6:05 amSpokane
11h 05m
2 stops
STL7:10 pmLambert-St Louis
Delta
Jan 13
STL6:35 amLambert-St Louis
14h 12m
2 stops
GEG6:47 pmSpokane
Jan 20
GEG9:20 amSpokane
10h 18m
2 stops
STL9:38 pmLambert-St Louis

United Airlines flights from St. Louis to Spokane

Our best United Airlines deals on St. Louis to Spokane flight tickets
United Airlines
Dec 20
STL5:02 pmLambert-St Louis
7h 28m
1 stop
GEG10:30 pmSpokane
Dec 27
GEG5:05 amSpokane
9h 22m
2 stops
STL4:27 pmLambert-St Louis
United Airlines
Nov 5
STL12:31 pmLambert-St Louis
10h 14m
2 stops
GEG8:45 pmSpokane
Nov 10
GEG1:47 pmSpokane
6h 07m
1 stop
STL9:54 pmLambert-St Louis
United Airlines
Nov 7
STL1:35 pmLambert-St Louis
11h 54m
2 stops
GEG11:29 pmSpokane
Nov 9
GEG1:47 pmSpokane
6h 07m
1 stop
STL9:54 pmLambert-St Louis

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 October 30, 2025.
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

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Wed 11/12

7:45 pm-11:08 am

1 stop17h 23m

Spokane

Sun 11/16

12:03 pm-9:07 am

1 stop19h 04m

$171

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Fri 12/5

2:20 pm-10:49 pm

2 stops10h 29m

Spokane

Mon 12/8

7:35 pm-9:10 am

2 stops11h 35m

$236

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Sat 2/21

7:43 pm-11:28 am

1 stop17h 45m

Spokane

Sun 3/1

12:23 pm-10:02 am

1 stop19h 39m

$257

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Sat 12/6

7:43 pm-11:13 am

1 stop17h 30m

Spokane

Sun 12/7

9:13 pm-12:12 pm

1 stop12h 59m

$298

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Tue 1/13

2:50 pm-9:25 pm

1 stop8h 35m

Spokane

Tue 1/20

7:49 pm-1:54 pm

1 stop16h 05m

$299

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Thu 1/15

11:55 am-6:49 pm

1 stop8h 54m

Spokane

Sun 1/18

6:00 am-2:47 pm

1 stop6h 47m

$300

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Sat 2/21

7:43 pm-8:32 pm

2 stops26h 49m

Spokane

Sun 3/1

12:23 pm-10:02 am

1 stop19h 39m

$324

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Thu 12/4

7:00 am-12:39 pm

1 stop7h 39m

Spokane

Sat 12/6

5:51 am-2:27 pm

1 stop6h 36m

$325

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Tue 11/25

7:00 am-1:50 pm

1 stop8h 50m

Spokane

Wed 12/3

1:14 pm-8:08 am

1 stop16h 54m

$400

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Sat 12/20

5:02 pm-10:30 pm

1 stop7h 28m

Spokane

Sat 12/27

5:05 am-4:27 pm

2 stops9h 22m

$472

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 cheapest day to depart on your flight to Spokane?

The cheapest day to depart on your flight to Spokane is on a Wednesday when prices can be found for as low as $373. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $527.

What is the cheapest time of day to depart on your flight to Spokane?

According to our data, the cheapest time of day to fly to Spokane is in the afternoon. momondo users have found flights departing from St. Louis to Spokane in the afternoon for as low as $384. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at noon because they tend to be around $416. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Spokane?

You are more likely to see cheaper flights to Spokane from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Spokane for around $430 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Spokane from St. Louis for as low as $355 on momondo.

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

As of October 2025, prices for St. Louis to Spokane flights are approximately 20% cheaper when compared to flights at the same time last year.

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

Direct flights

None
There are no direct flights from St. Louis to Spokane. There are no popular flight routes 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 5h 54m.

  • 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 $268Free CancellationRating
8.0
11,217 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $278Free CancellationRating
7.2
11,035 reviews
Search American Airlines flights
DeltaPriceFrom $279Free CancellationRating
7.9
7,998 reviews
Search Delta flights
United AirlinesPriceFrom $306Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
SouthwestPriceFrom $321Free CancellationRating
8.0
4,243 reviews
Search Southwest 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
Bonners Ferry
Post Falls
Kellogg
Airway Heights
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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1 adult
Sat 11/29
Sat 12/6

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