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Cheap flights from Spokane to St. Louis from $108

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 4/8. 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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0 bags

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Find the cheapest flights from Spokane to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:35 pm - 11:58 pm
GEG
-
STL
9h 23m
1 stop
Delta Logo
5:35 pm - 9:05 pm
STL
-
GEG
5h 30m
1 stop
$215Delta
Wed, Apr 8 - Tue, Apr 14
Delta Logo
5:30 am - 1:17 pm
GEG
-
STL
5h 47m
1 stop
Delta Logo
2:20 pm - 12:20 am
STL
-
GEG
12h 00m
2 stops
$234Delta
Wed, Apr 8 - Mon, Apr 13
Delta Logo
1:40 pm - 12:21 am
GEG
-
STL
8h 41m
2 stops
Delta Logo
2:20 pm - 12:20 am
STL
-
GEG
12h 00m
2 stops
$253Delta
Tue, Apr 7 - Tue, Apr 14
Delta Logo
1:40 pm - 12:21 am
GEG
-
STL
8h 41m
2 stops
Delta Logo
5:35 pm - 9:05 pm
STL
-
GEG
5h 30m
1 stop
$254Delta
Tue, Apr 7 - Tue, Apr 14
Delta Logo
2:15 pm - 11:25 pm
GEG
-
STL
7h 10m
1 stop
Delta Logo
5:35 pm - 9:05 pm
STL
-
GEG
5h 30m
1 stop
$271Delta
Thu, Apr 9 - Tue, Apr 14
Delta Logo
12:35 pm - 11:58 pm
GEG
-
STL
9h 23m
1 stop
Delta Logo
5:35 pm - 9:05 pm
STL
-
GEG
5h 30m
1 stop
$288Delta
Wed, Apr 8 - Mon, Apr 13
Delta Logo
1:50 pm - 12:21 am
GEG
-
STL
8h 31m
1 stop
Delta Logo
2:20 pm - 12:20 am
STL
-
GEG
12h 00m
2 stops
$290Delta
Thu, Apr 9 - Mon, Apr 13
Frontier Logo
11:06 am - 9:48 am
GEG
-
STL
20h 42m
1 stop
Frontier Logo
8:16 pm - 10:21 am
STL
-
GEG
16h 05m
1 stop
$306Frontier
Sun, Apr 5 - Wed, Apr 8
Delta Logo
5:30 am - 1:17 pm
GEG
-
STL
5h 47m
1 stop
Delta Logo
2:20 pm - 12:20 am
STL
-
GEG
12h 00m
2 stops
$307Delta
Fri, Apr 10 - Tue, Apr 14
Delta Logo
1:40 pm - 12:21 am
GEG
-
STL
8h 41m
2 stops
Delta Logo
5:35 pm - 9:05 pm
STL
-
GEG
5h 30m
1 stop
$327Delta
Tue, Apr 7 - Mon, Apr 13

Delta flights from Spokane to St. Louis

Our best Delta deals on Spokane to St. Louis flight tickets
Delta
Apr 8
GEG5:30 amSpokane
5h 47m
1 stop
STL1:17 pmLambert-St Louis
Apr 8
STL5:25 pmLambert-St Louis
6h 04m
1 stop
GEG9:29 pmSpokane
$215
Delta
Apr 8
GEG5:30 amSpokane
5h 47m
1 stop
STL1:17 pmLambert-St Louis
Apr 13
STL2:20 pmLambert-St Louis
12h 00m
2 stops
GEG12:20 amSpokane
$234
Delta
Apr 7
GEG1:40 pmSpokane
8h 41m
2 stops
STL12:21 amLambert-St Louis
Apr 14
STL2:20 pmLambert-St Louis
12h 00m
2 stops
GEG12:20 amSpokane
$253

Frontier flights from Spokane to St. Louis

Our best Frontier deals on Spokane to St. Louis flight tickets
Frontier
Apr 5
GEG11:06 amSpokane
20h 42m
1 stop
STL9:48 amLambert-St Louis
Apr 8
STL8:16 pmLambert-St Louis
16h 05m
1 stop
GEG10:21 amSpokane
$306
Frontier
Apr 5
GEG11:06 amSpokane
20h 42m
1 stop
STL9:48 amLambert-St Louis
Apr 8
STL8:16 pmLambert-St Louis
20h 29m
2 stops
GEG2:45 pmSpokane
$362
Frontier
Apr 9
GEG3:40 pmSpokane
16h 08m
2 stops
STL9:48 amLambert-St Louis
Apr 11
STL8:16 pmLambert-St Louis
16h 05m
1 stop
GEG10:21 amSpokane
$366

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 March 2, 2026.
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

Wed 4/8

12:35 pm-11:58 pm

1 stop9h 23m

Lambert-St Louis

Tue 4/14

5:35 pm-9:05 pm

1 stop5h 30m

$215

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Wed 4/8

5:30 am-1:17 pm

1 stop5h 47m

Lambert-St Louis

Mon 4/13

2:20 pm-12:20 am

2 stops12h 00m

$234

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Tue 4/7

1:40 pm-12:21 am

2 stops8h 41m

Lambert-St Louis

Tue 4/14

2:20 pm-12:20 am

2 stops12h 00m

$253

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Tue 4/7

1:40 pm-12:21 am

2 stops8h 41m

Lambert-St Louis

Tue 4/14

5:35 pm-9:05 pm

1 stop5h 30m

$254

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Thu 4/9

2:15 pm-11:25 pm

1 stop7h 10m

Lambert-St Louis

Tue 4/14

5:35 pm-9:05 pm

1 stop5h 30m

$271

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Wed 4/8

12:35 pm-11:58 pm

1 stop9h 23m

Lambert-St Louis

Mon 4/13

5:35 pm-9:05 pm

1 stop5h 30m

$288

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Thu 4/9

1:50 pm-12:21 am

1 stop8h 31m

Lambert-St Louis

Mon 4/13

2:20 pm-12:20 am

2 stops12h 00m

$290

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Sun 4/5

11:06 am-9:48 am

1 stop20h 42m

Lambert-St Louis

Wed 4/8

8:16 pm-10:21 am

1 stop16h 05m

$306

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Fri 4/10

5:30 am-1:17 pm

1 stop5h 47m

Lambert-St Louis

Tue 4/14

2:20 pm-12:20 am

2 stops12h 00m

$307

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Tue 4/7

1:40 pm-12:21 am

2 stops8h 41m

Lambert-St Louis

Mon 4/13

5:35 pm-9:05 pm

1 stop5h 30m

$327

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 St. Louis from

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 $306. The month of February is another great option to travel to St. Louis, with average flight prices from Spokane averaging around $346.

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 $397 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 $215 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

Fastest flight time

6h 24m

Direct flights

None
The fastest flight from Spokane to St. Louis takes 6h 24m
There are no direct flights from Spokane to St. Louis. There are no popular flight routes from Spokane to St. Louis.
Search flight deals

  • 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 6h 24m 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
DeltaPriceFrom $229Free CancellationRating
7.9
8,237 reviews
Search Delta flights
United AirlinesPriceFrom $252Free CancellationRating
7.4
9,375 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $253Free CancellationRating
8.0
11,974 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $302Free CancellationRating
7.1
11,369 reviews
Search American Airlines flights
SouthwestPriceFrom $341Free CancellationRating
8.0
4,306 reviews
Search Southwest 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
St. Peters
Wentzville
Collinsville
Alton
Fenton
Farmington
Edwardsville
Festus
Clayton
Eureka
Litchfield
Glencoe
Grafton

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.

An easier way to manage your St. Louis trip

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