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Cheap flights from Walla Walla to St. Louis from $321

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Walla Walla to St. Louis departing on 7/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Walla Walla to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
5:01 am - 3:44 pm
ALW
-
STL
8h 43m
1 stop
Alaska Airlines Logo
4:40 pm - 11:49 pm
STL
-
ALW
9h 09m
1 stop
$465Alaska Airlines
Wed, Oct 28 - Sat, Oct 31
Alaska Airlines Logo
3:22 pm - 11:59 pm
ALW
-
STL
6h 37m
1 stop
Alaska Airlines Logo
6:02 am - 2:42 pm
STL
-
ALW
10h 40m
1 stop
$584Alaska Airlines
Wed, Aug 12 - Sun, Aug 16
Alaska Airlines Logo
3:04 pm - 11:59 pm
ALW
-
STL
6h 55m
1 stop
Alaska Airlines Logo
3:33 pm - 11:49 pm
STL
-
ALW
10h 16m
2 stops
$590Alaska Airlines
Wed, Oct 28 - Sat, Oct 31
Alaska Airlines Logo
5:01 am - 7:46 pm
ALW
-
STL
12h 45m
2 stops
Alaska Airlines Logo
3:33 pm - 11:49 pm
STL
-
ALW
10h 16m
2 stops
$615Alaska Airlines
Wed, Oct 28 - Sat, Oct 31
Alaska Airlines Logo
5:13 am - 1:52 pm
ALW
-
STL
6h 39m
1 stop
Alaska Airlines Logo
7:56 pm - 2:42 pm
STL
-
ALW
20h 46m
1 stop
$637Alaska Airlines
Wed, Jul 8 - Sun, Jul 12
Alaska Airlines Logo
5:13 am - 6:05 pm
ALW
-
STL
10h 52m
2 stops
Alaska Airlines Logo
2:29 pm - 11:53 pm
STL
-
ALW
11h 24m
2 stops
$650Alaska Airlines
Wed, Aug 12 - Sun, Aug 16
Alaska Airlines Logo
3:22 pm - 11:59 pm
ALW
-
STL
6h 37m
1 stop
Alaska Airlines Logo
2:29 pm - 11:53 pm
STL
-
ALW
11h 24m
2 stops
$660Alaska Airlines
Wed, Aug 12 - Sun, Aug 16
Alaska Airlines Logo
3:22 pm - 11:59 pm
ALW
-
STL
6h 37m
1 stop
Alaska Airlines Logo
7:56 pm - 2:42 pm
STL
-
ALW
20h 46m
1 stop
$724Alaska Airlines
Mon, Jul 6 - Fri, Jul 10
Alaska Airlines Logo
5:13 am - 4:37 pm
ALW
-
STL
9h 24m
2 stops
Alaska Airlines Logo
6:02 am - 2:42 pm
STL
-
ALW
10h 40m
1 stop
$728Alaska Airlines
Wed, Jul 8 - Sun, Jul 12
Alaska Airlines Logo
3:22 pm - 11:59 pm
ALW
-
STL
6h 37m
1 stop
Alaska Airlines Logo
1:27 pm - 11:53 pm
STL
-
ALW
12h 26m
2 stops
$750Alaska Airlines
Mon, Jul 6 - Fri, Jul 10

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Alaska Airlines flights from Walla Walla to St. Louis

Our best Alaska Airlines deals on Walla Walla to St. Louis flight tickets
Alaska Airlines
Oct 28
ALW5:01 amWalla Walla
8h 43m
1 stop
STL3:44 pmLambert-St Louis
Oct 31
STL4:40 pmLambert-St Louis
9h 09m
1 stop
ALW11:49 pmWalla Walla
$465
Alaska Airlines
Aug 12
ALW3:22 pmWalla Walla
6h 37m
1 stop
STL11:59 pmLambert-St Louis
Aug 16
STL6:02 amLambert-St Louis
10h 40m
1 stop
ALW2:42 pmWalla Walla
$584
Alaska Airlines
Oct 28
ALW3:04 pmWalla Walla
6h 55m
1 stop
STL11:59 pmLambert-St Louis
Oct 31
STL3:33 pmLambert-St Louis
10h 16m
2 stops
ALW11:49 pmWalla Walla
$590

momondo Fare Finder

 
Customize your flight search to find flights from Walla Walla 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 June 26, 2026.
Use the filters below to find and compare flights from Walla Walla to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Walla WallaSt. Louis

ALW - STL

ALWSTL

Walla Walla

Wed 10/28

5:01 am-3:44 pm

1 stop8h 43m

Lambert-St Louis

Sat 10/31

4:40 pm-11:49 pm

1 stop9h 09m

$465

Walla WallaSt. Louis

ALW - STL

ALWSTL

Walla Walla

Wed 8/12

3:22 pm-11:59 pm

1 stop6h 37m

Lambert-St Louis

Sun 8/16

6:02 am-2:42 pm

1 stop10h 40m

$584
Quickest round-trip

Walla WallaSt. Louis

ALW - STL

ALWSTL

Walla Walla

Wed 10/28

3:04 pm-11:59 pm

1 stop6h 55m

Lambert-St Louis

Sat 10/31

3:33 pm-11:49 pm

2 stops10h 16m

$590

Walla WallaSt. Louis

ALW - STL

ALWSTL

Walla Walla

Wed 10/28

5:01 am-7:46 pm

2 stops12h 45m

Lambert-St Louis

Sat 10/31

3:33 pm-11:49 pm

2 stops10h 16m

$615

Walla WallaSt. Louis

ALW - STL

ALWSTL

Walla Walla

Wed 7/8

5:13 am-1:52 pm

1 stop6h 39m

Lambert-St Louis

Sun 7/12

7:56 pm-2:42 pm

1 stop20h 46m

$637

Walla WallaSt. Louis

ALW - STL

ALWSTL

Walla Walla

Wed 8/12

5:13 am-6:05 pm

2 stops10h 52m

Lambert-St Louis

Sun 8/16

2:29 pm-11:53 pm

2 stops11h 24m

$650

Walla WallaSt. Louis

ALW - STL

ALWSTL

Walla Walla

Wed 8/12

3:22 pm-11:59 pm

1 stop6h 37m

Lambert-St Louis

Sun 8/16

2:29 pm-11:53 pm

2 stops11h 24m

$660

Walla WallaSt. Louis

ALW - STL

ALWSTL

Walla Walla

Mon 7/6

3:22 pm-11:59 pm

1 stop6h 37m

Lambert-St Louis

Fri 7/10

7:56 pm-2:42 pm

1 stop20h 46m

$724

Walla WallaSt. Louis

ALW - STL

ALWSTL

Walla Walla

Wed 7/8

5:13 am-4:37 pm

2 stops9h 24m

Lambert-St Louis

Sun 7/12

6:02 am-2:42 pm

1 stop10h 40m

$728

Walla WallaSt. Louis

ALW - STL

ALWSTL

Walla Walla

Mon 7/6

3:22 pm-11:59 pm

1 stop6h 37m

Lambert-St Louis

Fri 7/10

1:27 pm-11:53 pm

2 stops12h 26m

$750

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to St. Louis from

How to get the cheapest flight ticket from Walla Walla 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 airline that flies from Walla Walla to Lambert-St Louis?

Alaska Airlines is the most popular carrier operating from Walla Walla to Lambert-St Louis

When to book flights from Walla Walla to St. Louis

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

Cheap Walla Walla to St. Louis (ALW to STL) flight deals and tips

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

Fastest flight time

6h 37m

Direct flights

None
The fastest flight from Walla Walla to St. Louis takes 6h 37m
There are no direct flights from Walla Walla to St. Louis. There are no popular flight routes from Walla Walla to St. Louis.
Search flight deals

Frequently asked questions about flying from Walla Walla to St. Louis

  • How far is Walla Walla to Lambert-St Louis by plane?

    Lambert-St Louis is 1515.7 mi away from Walla Walla. By plane, this route typically takes 6h 37m.

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

    Prices for flights from Walla Walla Airport to Lambert-St Louis Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Walla Walla Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Walla Walla Airport to Lambert-St Louis Airport.

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

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near St. Louis?

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

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Walla Walla to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to St. Louis from Walla Walla on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to St. Louis from Walla Walla. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Walla Walla to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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