What airlines fly to St. Louis?

Delta, United Airlines and Southwest are the top three most popular airlines that fly to St. Louis from Spokane according to our data. Delta is the first choice among our users, with 58% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 4 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Spokane to Lambert-St Louis?

Frontier, United Airlines, and Delta are the most popular carriers operating from Spokane to Lambert-St Louis

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?

The number of operators available for flights from Spokane Airport to Lambert-St Louis Airport is 4 as of January 2026.

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.

$115 Cheap Flights from Spokane to St. Louis in 2026

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Find the cheapest flights from Spokane to St. Louis

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 am - 5:42 pm

GEG

STL

10h 42m

2 stops

3:40 pm - 10:42 pm

STL

GEG

9h 02m

2 stops

$276Delta

Mon, Feb 23 - Sat, Feb 28

7:30 pm - 9:32 am

GEG

STL

12h 02m

2 stops

3:40 pm - 10:42 pm

STL

GEG

9h 02m

2 stops

$316Delta

Mon, Feb 23 - Sat, Feb 28

1:25 pm - 12:25 am

GEG

STL

9h 00m

2 stops

3:40 pm - 7:57 pm

STL

GEG

6h 17m

1 stop

$321Delta

Mon, Feb 23 - Sat, Feb 28

7:45 pm - 9:01 am

GEG

STL

11h 16m

2 stops

1:39 pm - 12:03 am

STL

GEG

12h 24m

2 stops

$336Delta

Thu, Mar 19 - Mon, Mar 23

7:06 pm - 1:51 pm

GEG

STL

16h 45m

1 stop

2:47 pm - 9:37 pm

STL

GEG

8h 50m

1 stop

$346Alaska Airlines

Mon, Feb 23 - Sat, Feb 28

1:25 pm - 12:25 am

GEG

STL

9h 00m

2 stops

3:40 pm - 7:57 pm

STL

GEG

6h 17m

1 stop

$351Delta

Mon, Feb 23 - Sat, Feb 28

1:40 pm - 12:21 am

GEG

STL

8h 41m

2 stops

9:45 am - 1:11 pm

STL

GEG

5h 26m

1 stop

$356Delta

Mon, Mar 16 - Thu, Mar 19

1:33 pm - 11:48 pm

GEG

STL

8h 15m

1 stop

6:00 am - 12:42 pm

STL

GEG

8h 42m

1 stop

$374American Airlines

Fri, May 8 - Sat, May 9

1:40 pm - 12:21 am

GEG

STL

8h 41m

2 stops

2:22 pm - 10:34 pm

STL

GEG

10h 12m

2 stops

$376Delta

Mon, Mar 16 - Thu, Mar 19

5:40 am - 2:23 pm

GEG

STL

6h 43m

1 stop

2:47 pm - 6:12 pm

STL

GEG

29h 25m

1 stop

$377Alaska Airlines

Sun, Mar 1 - Fri, Mar 6

Delta flights from Spokane to St. Louis

Our best Delta deals on Spokane to St. Louis flight tickets

Delta

Feb 23

GEG5:00 amSpokane

10h 42m

2 stops

STL5:42 pmLambert-St Louis

Feb 28

STL3:40 pmLambert-St Louis

9h 02m

2 stops

GEG10:42 pmSpokane

$276

Delta

Feb 23

GEG7:30 pmSpokane

12h 02m

2 stops

STL9:32 amLambert-St Louis

Feb 28

STL3:40 pmLambert-St Louis

9h 02m

2 stops

GEG10:42 pmSpokane

$316

Delta

Feb 23

GEG1:25 pmSpokane

9h 00m

2 stops

STL12:25 amLambert-St Louis

Feb 28

STL3:40 pmLambert-St Louis

6h 17m

1 stop

GEG7:57 pmSpokane

$321

Alaska Airlines flights from Spokane to St. Louis

Our best Alaska Airlines deals on Spokane to St. Louis flight tickets

Alaska Airlines

Feb 23

GEG7:06 pmSpokane

16h 45m

1 stop

STL1:51 pmLambert-St Louis

Feb 28

STL2:47 pmLambert-St Louis

8h 50m

1 stop

GEG9:37 pmSpokane

$346

Alaska Airlines

Mar 1

GEG5:40 amSpokane

6h 43m

1 stop

STL2:23 pmLambert-St Louis

Mar 6

STL2:47 pmLambert-St Louis

29h 25m

1 stop

GEG6:12 pmSpokane

$377

Alaska Airlines

Mar 16

GEG1:23 pmSpokane

22h 28m

1 stop

STL1:51 pmLambert-St Louis

Mar 19

STL4:20 pmLambert-St Louis

7h 04m

1 stop

GEG9:24 pmSpokane

$381

Fly from

Fly to

Route

Depart

Return

Price

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Mon 2/23

5:00 am-5:42 pm

2 stops10h 42m

Lambert-St Louis

Sat 2/28

3:40 pm-10:42 pm

2 stops9h 02m

$276

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Mon 2/23

7:30 pm-9:32 am

2 stops12h 02m

Lambert-St Louis

Sat 2/28

3:40 pm-10:42 pm

2 stops9h 02m

$316

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Mon 2/23

1:25 pm-12:25 am

2 stops9h 00m

Lambert-St Louis

Sat 2/28

3:40 pm-7:57 pm

1 stop6h 17m

$321

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Thu 3/19

7:45 pm-9:01 am

2 stops11h 16m

Lambert-St Louis

Mon 3/23

1:39 pm-12:03 am

2 stops12h 24m

$336

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Mon 2/23

7:06 pm-1:51 pm

1 stop16h 45m

Lambert-St Louis

Sat 2/28

2:47 pm-9:37 pm

1 stop8h 50m

$346

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Mon 2/23

1:25 pm-12:25 am

2 stops9h 00m

Lambert-St Louis

Sat 2/28

3:40 pm-7:57 pm

1 stop6h 17m

$351

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Mon 3/16

1:40 pm-12:21 am

2 stops8h 41m

Lambert-St Louis

Thu 3/19

9:45 am-1:11 pm

1 stop5h 26m

$356

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Fri 5/8

1:33 pm-11:48 pm

1 stop8h 15m

Lambert-St Louis

Sat 5/9

6:00 am-12:42 pm

1 stop8h 42m

$374

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Mon 3/16

1:40 pm-12:21 am

2 stops8h 41m

Lambert-St Louis

Thu 3/19

2:22 pm-10:34 pm

2 stops10h 12m

$376

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

Sun 3/1

5:40 am-2:23 pm

1 stop6h 43m

Lambert-St Louis

Fri 3/6

2:47 pm-6:12 pm

1 stop29h 25m

$377

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 $408 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 $221 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	5h 55m
Direct flights	None

The fastest flight from Spokane to St. Louis takes 5h 55m

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 5h 55m 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?
The number of operators available for flights from Spokane Airport to Lambert-St Louis Airport is 4 as of January 2026.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Spokane to St. Louis is Delta (58% of total bookings). The next most popular airlines are United Airlines (20%), Southwest (12%), and Alaska Airlines (11%).

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
Delta	PriceFrom $235	Free Cancellation	Rating 7.9 8,039 reviews	Search Delta flights
United Airlines	PriceFrom $252	Free Cancellation	Rating 7.4 9,148 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $338	Free Cancellation	Rating 8.0 11,696 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $341	Free Cancellation	Rating 8.0 4,256 reviews	Search Southwest flights

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O'Fallon

Fenton

Collinsville

St. Peters

Wentzville

Alton

Farmington

Clayton

Eureka

Edwardsville

Festus

Glencoe

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.