Cheap flights from St. Louis to Spokane from $141

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 11/17. 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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Cheap round-trip flights

Hawaiian Airlines Logo
6:33 am - 10:58 amSTL-GEG
6h 25m1 stop
Hawaiian Airlines Logo
1:31 pm - 12:03 amGEG-STL
8h 32m1 stop
$290Hawaiian Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
Delta Logo
7:30 pm - 11:43 pmSTL-GEG
6h 13m1 stop
Delta Logo
4:50 pm - 12:24 amGEG-STL
5h 34m1 stop
$291Delta
Find Deal
Mon, Oct 20 - Mon, Oct 27
United Airlines Logo
9:00 am - 12:45 pmSTL-GEG
5h 45m1 stop
United Airlines Logo
7:00 am - 4:27 pmGEG-STL
7h 27m1 stop
$294United Airlines
Find Deal
Wed, Nov 19 - Wed, Dec 3
Southwest Logo
4:40 pm - 12:20 amSTL-GEG
9h 40m2 stops
Southwest Logo
12:50 pm - 11:10 pmGEG-STL
8h 20m1 stop
$296Southwest
Find Deal
Mon, Oct 27 - Wed, Oct 29
Southwest Logo
1:45 pm - 10:00 pmSTL-GEG
10h 15m2 stops
Southwest Logo
12:40 pm - 9:00 pmGEG-STL
6h 20m1 stop
$299Southwest
Find Deal
Wed, Nov 19 - Wed, Dec 3
American Airlines Logo
6:00 am - 12:30 pmSTL-GEG
8h 30m1 stop
American Airlines Logo
12:58 pm - 11:52 pmGEG-STL
8h 54m1 stop
$312American Airlines
Find Deal
Mon, Dec 15 - Tue, Dec 23
American Airlines Logo
9:38 am - 4:42 pmSTL-GEG
9h 04m1 stop
American Airlines Logo
1:14 pm - 8:09 amGEG-STL
16h 55m1 stop
$316American Airlines
Find Deal
Mon, Nov 3 - Fri, Nov 14
Alaska Airlines Logo
6:33 am - 11:06 amSTL-GEG
6h 33m1 stop
Alaska Airlines Logo
7:37 pm - 12:03 amGEG-STL
26h 26m2 stops
$368Alaska Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
United Airlines Logo
5:00 am - 11:42 amSTL-GEG
8h 42m1 stop
United Airlines Logo
5:05 am - 3:44 pmGEG-STL
8h 39m2 stops
$377United Airlines
Find Deal
Thu, Oct 16 - Sat, Oct 18
Alaska Airlines Logo
5:20 am - 5:00 pmSTL-GEG
13h 40m2 stops
Alaska Airlines Logo
5:51 am - 8:51 pmGEG-STL
13h 00m2 stops
$497Alaska Airlines
Find Deal
Fri, Oct 24 - Sun, Oct 26

Hawaiian Airlines flights from St. Louis to Spokane

Our best Hawaiian Airlines deals on St. Louis to Spokane flight tickets
Hawaiian Airlines
Oct 15
STL6:33 amLambert-St Louis
6h 25m
1 stop
GEG10:58 amSpokane
Oct 22
GEG1:31 pmSpokane
8h 32m
1 stop
STL12:03 amLambert-St Louis
Hawaiian Airlines
Oct 16
STL6:33 amLambert-St Louis
6h 33m
1 stop
GEG11:06 amSpokane
Oct 18
GEG1:31 pmSpokane
8h 32m
1 stop
STL12:03 amLambert-St Louis
Hawaiian Airlines
Sep 27
STL3:35 pmLambert-St Louis
9h 11m
1 stop
GEG10:46 pmSpokane
Sep 30
GEG9:25 amSpokane
6h 09m
1 stop
STL5:34 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
Nov 19
STL9:00 amLambert-St Louis
5h 45m
1 stop
GEG12:45 pmSpokane
Dec 3
GEG7:00 amSpokane
7h 27m
1 stop
STL4:27 pmLambert-St Louis
United Airlines
Oct 16
STL5:00 amLambert-St Louis
8h 42m
1 stop
GEG11:42 amSpokane
Oct 18
GEG5:05 amSpokane
8h 39m
2 stops
STL3:44 pmLambert-St Louis
United Airlines
Oct 16
STL5:00 amLambert-St Louis
9h 36m
2 stops
GEG12:36 pmSpokane
Oct 18
GEG5:05 amSpokane
8h 39m
2 stops
STL3:44 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 September 16, 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 10/15

6:33 am-10:58 am

1 stop6h 25m

Spokane

Wed 10/22

1:31 pm-12:03 am

1 stop8h 32m

$290

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Mon 10/20

7:30 pm-11:43 pm

1 stop6h 13m

Spokane

Mon 10/27

4:50 pm-12:24 am

1 stop5h 34m

$291

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Wed 11/19

9:00 am-12:45 pm

1 stop5h 45m

Spokane

Wed 12/3

7:00 am-4:27 pm

1 stop7h 27m

$294

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Mon 10/27

4:40 pm-12:20 am

2 stops9h 40m

Spokane

Wed 10/29

12:50 pm-11:10 pm

1 stop8h 20m

$296

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Wed 11/19

1:45 pm-10:00 pm

2 stops10h 15m

Spokane

Wed 12/3

12:40 pm-9:00 pm

1 stop6h 20m

$299

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Mon 12/15

6:00 am-12:30 pm

1 stop8h 30m

Spokane

Tue 12/23

12:58 pm-11:52 pm

1 stop8h 54m

$312

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Mon 11/3

9:38 am-4:42 pm

1 stop9h 04m

Spokane

Fri 11/14

1:14 pm-8:09 am

1 stop16h 55m

$316

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Thu 10/16

6:33 am-11:06 am

1 stop6h 33m

Spokane

Mon 10/20

7:37 pm-12:03 am

2 stops26h 26m

$368

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Thu 10/16

5:00 am-11:42 am

1 stop8h 42m

Spokane

Sat 10/18

5:05 am-3:44 pm

2 stops8h 39m

$377

St. LouisSpokane

STL - GEG

STLGEG

Lambert-St Louis

Fri 10/24

5:20 am-5:00 pm

2 stops13h 40m

Spokane

Sun 10/26

5:51 am-8:51 pm

2 stops13h 00m

$497

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 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 $432 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 $339 on momondo.

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

As of September 2025, prices for St. Louis to Spokane flights are approximately 30% 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 45m.

  • 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
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $278Free CancellationRating
7.9
7,957 reviews
Search Delta flights
American AirlinesPriceFrom $278Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $298Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
SouthwestPriceFrom $321Free CancellationRating
8.0
4,242 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
Bonners Ferry
Spokane Valley
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
Thu 10/16
Thu 10/23

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