Cheap flights from Spokane to St. Louis from $145

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Spokane to St. Louis departing on 10/25. 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

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Delta Logo
4:43 pm - 12:46 amGEG-STL
6h 03m1 stop
Delta Logo
8:05 pm - 11:59 pmSTL-GEG
5h 54m1 stop
$273Delta
Find Deal
Mon, Nov 24 - Tue, Dec 2
Delta Logo
11:20 am - 11:07 pmGEG-STL
9h 47m2 stops
Delta Logo
6:50 am - 4:44 pmSTL-GEG
11h 54m2 stops
$274Delta
Find Deal
Wed, Oct 22 - Sat, Oct 25
Multiple Airlines Logo
6:38 pm - 9:07 amGEG-STL
36h 29m2 stops
Multiple Airlines Logo
7:45 pm - 11:08 amSTL-GEG
17h 23m1 stop
$282Multiple Airlines
Find Deal
Mon, Oct 27 - Sat, Nov 8
Alaska Airlines Logo
8:45 am - 11:59 pmGEG-STL
13h 14m1 stop
Alaska Airlines Logo
7:00 am - 12:26 pmSTL-GEG
7h 26m1 stop
$290Alaska Airlines
Find Deal
Mon, Oct 27 - Mon, Nov 3
Southwest Logo
12:40 pm - 9:00 pmGEG-STL
6h 20m1 stop
Southwest Logo
4:35 pm - 10:25 pmSTL-GEG
7h 50m1 stop
$301Southwest
Find Deal
Thu, Dec 4 - Thu, Dec 11
Southwest Logo
6:35 am - 5:20 pmGEG-STL
8h 45m2 stops
Southwest Logo
5:20 am - 10:25 amSTL-GEG
7h 05m1 stop
$335Southwest
Find Deal
Wed, Nov 12 - Sun, Nov 16
Alaska Airlines Logo
8:59 pm - 3:18 pmGEG-STL
16h 19m1 stop
Alaska Airlines Logo
4:14 pm - 9:14 pmSTL-GEG
7h 00m1 stop
$338Alaska Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16
Multiple Airlines Logo
9:16 pm - 9:07 amGEG-STL
33h 51m2 stops
Multiple Airlines Logo
2:42 pm - 8:26 pmSTL-GEG
7h 44m1 stop
$378Multiple Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16
United Airlines Logo
7:15 am - 8:46 pmGEG-STL
11h 31m2 stops
United Airlines Logo
4:50 pm - 8:24 pmSTL-GEG
5h 34m1 stop
$405United Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
United Airlines Logo
7:15 am - 8:46 pmGEG-STL
11h 31m2 stops
United Airlines Logo
5:00 am - 12:36 pmSTL-GEG
9h 36m2 stops
$410United Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22

Alaska Airlines flights from Spokane to St. Louis

Our best Alaska Airlines deals on Spokane to St. Louis flight tickets
Alaska Airlines
Oct 27
GEG8:45 amSpokane
13h 14m
1 stop
STL11:59 pmLambert-St Louis
Nov 3
STL7:00 amLambert-St Louis
7h 26m
1 stop
GEG12:26 pmSpokane
Alaska Airlines
Nov 13
GEG8:59 pmSpokane
16h 19m
1 stop
STL3:18 pmLambert-St Louis
Nov 16
STL4:14 pmLambert-St Louis
7h 00m
1 stop
GEG9:14 pmSpokane
Alaska Airlines
Dec 4
GEG9:17 amSpokane
12h 42m
2 stops
STL11:59 pmLambert-St Louis
Dec 11
STL7:00 amLambert-St Louis
9h 23m
1 stop
GEG2:23 pmSpokane

Southwest flights from Spokane to St. Louis

Our best Southwest deals on Spokane to St. Louis flight tickets
Southwest
Dec 4
GEG12:40 pmSpokane
6h 20m
1 stop
STL9:00 pmLambert-St Louis
Dec 11
STL4:35 pmLambert-St Louis
7h 50m
1 stop
GEG10:25 pmSpokane
Southwest
Nov 12
GEG6:35 amSpokane
8h 45m
2 stops
STL5:20 pmLambert-St Louis
Nov 16
STL5:20 amLambert-St Louis
7h 05m
1 stop
GEG10:25 amSpokane
Southwest
Oct 4
GEG6:15 amSpokane
6h 25m
1 stop
STL2:40 pmLambert-St Louis
Oct 8
STL5:05 pmLambert-St Louis
8h 30m
2 stops
GEG11:35 pmSpokane

momondo 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, momondo users made 832,500 searches. Data last updated October 2, 2025.
Use the filters below to find and compare flights from Spokane to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Mon 11/24

4:43 pm-12:46 am

1 stop6h 03m

Lambert-St Louis

Tue 12/2

8:05 pm-11:59 pm

1 stop5h 54m

$273

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Wed 10/22

11:20 am-11:07 pm

2 stops9h 47m

Lambert-St Louis

Sat 10/25

6:50 am-4:44 pm

2 stops11h 54m

$274

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Mon 10/27

6:38 pm-9:07 am

2 stops36h 29m

Lambert-St Louis

Sat 11/8

7:45 pm-11:08 am

1 stop17h 23m

$282

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Mon 10/27

8:45 am-11:59 pm

1 stop13h 14m

Lambert-St Louis

Mon 11/3

7:00 am-12:26 pm

1 stop7h 26m

$290

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Thu 12/4

12:40 pm-9:00 pm

1 stop6h 20m

Lambert-St Louis

Thu 12/11

4:35 pm-10:25 pm

1 stop7h 50m

$301

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Wed 11/12

6:35 am-5:20 pm

2 stops8h 45m

Lambert-St Louis

Sun 11/16

5:20 am-10:25 am

1 stop7h 05m

$335

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Thu 11/13

8:59 pm-3:18 pm

1 stop16h 19m

Lambert-St Louis

Sun 11/16

4:14 pm-9:14 pm

1 stop7h 00m

$338

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Thu 11/13

9:16 pm-9:07 am

2 stops33h 51m

Lambert-St Louis

Sun 11/16

2:42 pm-8:26 pm

1 stop7h 44m

$378

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Wed 10/15

7:15 am-8:46 pm

2 stops11h 31m

Lambert-St Louis

Wed 10/22

4:50 pm-8:24 pm

1 stop5h 34m

$405

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Wed 10/15

7:15 am-8:46 pm

2 stops11h 31m

Lambert-St Louis

Wed 10/22

5:00 am-12:36 pm

2 stops9h 36m

$410

Flights are sorted by cheapest round-trip flights first.

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

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 month to fly to St. Louis?

In general, October is the cheapest month to fly from Spokane to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $335. The month of February is another great option to travel to St. Louis, with average flight prices from Spokane averaging around $345.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $355. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $479. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Spokane in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $379 when looking at flights departing in the afternoon. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $591 per ticket.

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Spokane when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $430 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Spokane for as low as $299 on momondo.

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

When to book flights from Spokane to St. Louis

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

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

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

Direct flights

None
There are no direct flights from Spokane to St. Louis. There are no popular flight routes from Spokane to St. Louis.
  • How far is Spokane to Lambert-St Louis by plane?

    There are 1496.7 mi between Spokane and Lambert-St Louis. Typically, this will take 5h 31m by plane in normal conditions.

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

    Prices for flights from Spokane Airport to Lambert-St Louis Airport are updated daily.

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

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

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Spokane to St. Louis

Compare and see reviews for airlines that fly from Spokane to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $252Free CancellationRating
7.4
8,933 reviews
Search United Airlines flights
DeltaPriceFrom $258Free CancellationRating
7.9
7,962 reviews
Search Delta flights
SouthwestPriceFrom $326Free CancellationRating
8.0
4,248 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $345Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Florissant
Maryland Heights
O'Fallon
Collinsville
Fenton
Wentzville
St. Peters
Alton
Farmington
Festus
Glencoe
Clayton
Edwardsville
Eureka
Litchfield
Shrewsbury

Why use momondo?

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

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 Spokane to St. Louis for you.

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

Yes. momondo allows you to filter the results for Spokane to St. Louis flights to just show those with flexible booking policies.

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

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 St. Louis from Spokane.

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

Price alerts on flights to St. Louis from Spokane are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Sat 11/1
Sat 11/8

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