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

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

What airlines fly to St. Louis?

Delta, United Airlines and Alaska Airlines 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 55% 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.

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 November 2025.

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.

$114 Cheap Flights from Spokane to St. Louis in 2025/26

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Find the cheapest flights from Spokane to St. Louis

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

11:25 am - 9:35 pmGEG-STL

8h 10m2 stops

3:31 pm - 11:59 pmSTL-GEG

10h 28m2 stops

$256Delta

Find Deal

sáb., ene. 17 - mar., ene. 20

5:00 am - 1:16 pmGEG-STL

6h 16m1 stop

6:30 am - 11:39 amSTL-GEG

7h 09m1 stop

$283United Airlines

Find Deal

sáb., ene. 17 - mar., ene. 20

6:35 am - 3:10 pmGEG-STL

6h 35m1 stop

2:20 pm - 9:45 pmSTL-GEG

9h 25m2 stops

$288Southwest

Find Deal

sáb., ene. 17 - mar., ene. 20

7:25 pm - 9:39 amGEG-STL

12h 14m2 stops

3:31 pm - 11:59 pmSTL-GEG

10h 28m2 stops

$297Delta

Find Deal

mar., ene. 20 - lun., feb. 2

6:30 am - 4:45 pmGEG-STL

8h 15m1 stop

6:40 am - 12:07 pmSTL-GEG

7h 27m1 stop

$302Delta

Find Deal

mar., ene. 20 - lun., feb. 2

11:25 am - 11:25 pmGEG-STL

10h 00m2 stops

3:31 pm - 7:54 pmSTL-GEG

6h 23m1 stop

$308Delta

Find Deal

mar., ene. 20 - lun., feb. 2

5:45 am - 1:54 pmGEG-STL

6h 09m1 stop

2:50 pm - 12:23 amSTL-GEG

11h 33m1 stop

$327Alaska Airlines

Find Deal

mar., ene. 20 - lun., feb. 2

5:25 am - 5:05 pmGEG-STL

9h 40m1 stop

7:05 pm - 1:05 amSTL-GEG

8h 00m1 stop

$331Southwest

Find Deal

mar., dic. 16 - mar., dic. 23

6:30 am - 4:45 pmGEG-STL

8h 15m1 stop

3:31 pm - 11:59 pmSTL-GEG

10h 28m2 stops

$334Delta

Find Deal

mar., ene. 20 - lun., feb. 2

6:35 am - 5:20 pmGEG-STL

8h 45m2 stops

6:45 pm - 12:10 amSTL-GEG

7h 25m1 stop

$336Southwest

Find Deal

mar., dic. 16 - mar., dic. 23

Alaska Airlines flights from Spokane to St. Louis

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

Alaska Airlines

Jan 20

GEG5:45 amSpokane

6h 09m

1 stop

STL1:54 pmLambert-St Louis

Feb 2

STL2:50 pmLambert-St Louis

11h 33m

1 stop

GEG12:23 amSpokane

$327

Find similar

Alaska Airlines

Mar 20

GEG3:25 pmSpokane

6h 30m

1 stop

STL11:55 pmLambert-St Louis

Mar 22

STL7:00 amLambert-St Louis

7h 44m

1 stop

GEG12:44 pmSpokane

$399

Find similar

Alaska Airlines

Mar 19

GEG9:30 amSpokane

12h 25m

1 stop

STL11:55 pmLambert-St Louis

Mar 23

STL7:00 amLambert-St Louis

17h 49m

2 stops

GEG10:49 pmSpokane

$431

Find similar

United Airlines flights from Spokane to St. Louis

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

United Airlines

Jan 17

GEG5:00 amSpokane

6h 16m

1 stop

STL1:16 pmLambert-St Louis

Jan 20

STL6:30 amLambert-St Louis

7h 09m

1 stop

GEG11:39 amSpokane

$283

Find similar

United Airlines

Dec 2

GEG7:00 amSpokane

11h 57m

2 stops

STL8:57 pmLambert-St Louis

Dec 6

STL4:37 pmLambert-St Louis

6h 22m

1 stop

GEG8:59 pmSpokane

$465

Find similar

United Airlines

Dec 2

GEG7:00 amSpokane

11h 57m

2 stops

STL8:57 pmLambert-St Louis

Dec 6

STL6:30 amLambert-St Louis

8h 15m

2 stops

GEG12:45 pmSpokane

$561

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

sáb. 1/17

11:25 am-9:35 pm

2 stops8h 10m

Lambert-St Louis

mar. 1/20

3:31 pm-11:59 pm

2 stops10h 28m

$256

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

sáb. 1/17

5:00 am-1:16 pm

1 stop6h 16m

Lambert-St Louis

mar. 1/20

6:30 am-11:39 am

1 stop7h 09m

$283

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

sáb. 1/17

6:35 am-3:10 pm

1 stop6h 35m

Lambert-St Louis

mar. 1/20

2:20 pm-9:45 pm

2 stops9h 25m

$288

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

mar. 1/20

7:25 pm-9:39 am

2 stops12h 14m

Lambert-St Louis

lun. 2/2

3:31 pm-11:59 pm

2 stops10h 28m

$297

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

mar. 1/20

6:30 am-4:45 pm

1 stop8h 15m

Lambert-St Louis

lun. 2/2

6:40 am-12:07 pm

1 stop7h 27m

$302

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

mar. 1/20

11:25 am-11:25 pm

2 stops10h 00m

Lambert-St Louis

lun. 2/2

3:31 pm-7:54 pm

1 stop6h 23m

$308

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

mar. 1/20

5:45 am-1:54 pm

1 stop6h 09m

Lambert-St Louis

lun. 2/2

2:50 pm-12:23 am

1 stop11h 33m

$327

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

mar. 12/16

5:25 am-5:05 pm

1 stop9h 40m

Lambert-St Louis

mar. 12/23

7:05 pm-1:05 am

1 stop8h 00m

$331

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

mar. 1/20

6:30 am-4:45 pm

1 stop8h 15m

Lambert-St Louis

lun. 2/2

3:31 pm-11:59 pm

2 stops10h 28m

$334

SpokaneSt. Louis

GEG - STL

GEGSTL

Spokane

mar. 12/16

6:35 am-5:20 pm

2 stops8h 45m

Lambert-St Louis

mar. 12/23

6:45 pm-12:10 am

1 stop7h 25m

$336

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.

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 $425 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?

As of November 2025, prices for Spokane to St. Louis flights are approximately 6% cheaper when compared to flights at the same time last year.

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.

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 09m 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 November 2025.
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 (21%), Southwest (12%), and Alaska Airlines (9%).

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 Airlines	PriceFrom $252	Free Cancellation	Rating 7.4 9,019 reviews	Search United Airlines flights
Delta	PriceFrom $258	Free Cancellation	Rating 7.9 8,002 reviews	Search Delta flights
Alaska Airlines	PriceFrom $338	Free Cancellation	Rating 8.0 11,318 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $341	Free Cancellation	Rating 8.0 4,248 reviews	Search Southwest flights

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Hermann

Fairview Heights

Florissant

Maryland Heights

O'Fallon

Wentzville

Fenton

Collinsville

St. Peters

Alton

Farmington

Festus

Glencoe

Edwardsville

Clayton

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.