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Cheap flights from Alaska to St. Louis from $209

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Alaska to St. Louis departing on 5/7. 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
0 bags

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Find the cheapest flights from Alaska to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:24 pm - 3:16 pm
ANC
-
STL
16h 52m
1 stop
Alaska Airlines Logo
5:33 pm - 10:30 am
STL
-
ANC
19h 57m
1 stop
$419Alaska Airlines
Sat, May 23 - Wed, May 27
Delta Logo
6:00 am - 4:46 pm
ANC
-
STL
7h 46m
1 stop
Delta Logo
6:04 pm - 8:16 pm
STL
-
ANC
29h 12m
1 stop
$420Delta
Tue, May 19 - Fri, May 29
Delta Logo
1:55 am - 7:03 pm
ANC
-
STL
14h 08m
2 stops
Delta Logo
3:11 pm - 8:49 pm
STL
-
ANC
8h 38m
1 stop
$424Delta
Tue, May 19 - Tue, May 26
Alaska Airlines Logo
7:24 pm - 6:45 pm
ANC
-
STL
20h 21m
1 stop
Alaska Airlines Logo
5:33 pm - 9:51 am
STL
-
ANC
19h 18m
2 stops
$427Alaska Airlines
Wed, May 20 - Wed, May 27
Delta Logo
6:00 am - 11:59 pm
ANC
-
STL
14h 59m
2 stops
Delta Logo
11:25 am - 11:20 pm
STL
-
ANC
14h 55m
2 stops
$429Delta
Sat, May 16 - Sat, May 23
American Airlines Logo
7:00 am - 11:59 pm
ANC
-
STL
13h 59m
1 stop
American Airlines Logo
6:00 am - 8:41 pm
STL
-
ANC
17h 41m
1 stop
$445American Airlines
Wed, Jun 3 - Mon, Jun 8
Alaska Airlines Logo
8:00 am - 11:59 pm
ANC
-
STL
12h 59m
1 stop
Alaska Airlines Logo
5:33 pm - 10:30 am
STL
-
ANC
19h 57m
1 stop
$461Alaska Airlines
Mon, May 11 - Fri, May 15
Alaska Airlines Logo
5:25 pm - 11:59 pm
ANC
-
STL
27h 34m
1 stop
Alaska Airlines Logo
5:33 pm - 10:30 am
STL
-
ANC
19h 57m
1 stop
$463Alaska Airlines
Wed, May 6 - Wed, May 13
Alaska Airlines Logo
5:05 am - 11:54 pm
ANC
-
STL
15h 49m
1 stop
Alaska Airlines Logo
5:33 pm - 9:51 am
STL
-
ANC
19h 18m
2 stops
$464Alaska Airlines
Sun, May 24 - Wed, May 27
American Airlines Logo
1:22 am - 11:41 pm
FAI
-
STL
19h 19m
2 stops
American Airlines Logo
10:14 am - 8:54 pm
STL
-
FAI
13h 40m
2 stops
$565American Airlines
Mon, Sep 14 - Fri, Sep 25

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American Airlines flights from Alaska to St. Louis

Our best American Airlines deals on Alaska to St. Louis flight tickets
American Airlines
Jun 3
ANC7:00 amAnchorage
13h 59m
1 stop
STL11:59 pmLambert-St Louis
Jun 8
STL6:00 amLambert-St Louis
17h 41m
1 stop
ANC8:41 pmAnchorage
$445
American Airlines
Sep 14
FAI1:22 amFairbanks
19h 19m
2 stops
STL11:41 pmLambert-St Louis
Sep 25
STL10:14 amLambert-St Louis
13h 40m
2 stops
FAI8:54 pmFairbanks
$565
American Airlines
Sep 17
FAI8:00 amFairbanks
12h 41m
2 stops
STL11:41 pmLambert-St Louis
Sep 26
STL8:30 amLambert-St Louis
15h 24m
2 stops
FAI8:54 pmFairbanks
$600

Alaska Airlines flights from Alaska to St. Louis

Our best Alaska Airlines deals on Alaska to St. Louis flight tickets
Alaska Airlines
May 23
ANC7:24 pmAnchorage
16h 52m
1 stop
STL3:16 pmLambert-St Louis
May 27
STL5:33 pmLambert-St Louis
19h 57m
1 stop
ANC10:30 amAnchorage
$419
Alaska Airlines
May 20
ANC7:24 pmAnchorage
20h 21m
1 stop
STL6:45 pmLambert-St Louis
May 27
STL5:33 pmLambert-St Louis
19h 18m
2 stops
ANC9:51 amAnchorage
$427
Alaska Airlines
May 11
ANC8:00 amAnchorage
12h 59m
1 stop
STL11:59 pmLambert-St Louis
May 15
STL5:33 pmLambert-St Louis
19h 57m
1 stop
ANC10:30 amAnchorage
$461

momondo Fare Finder

 
Customize your flight search to find flights from Alaska 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 April 17, 2026.
Use the filters below to find and compare flights from Alaska to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Sat 5/23

7:24 pm-3:16 pm

1 stop16h 52m

Lambert-St Louis

Wed 5/27

5:33 pm-10:30 am

1 stop19h 57m

$419

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Tue 5/19

6:00 am-4:46 pm

1 stop7h 46m

Lambert-St Louis

Fri 5/29

6:04 pm-8:16 pm

1 stop29h 12m

$420
Quickest round-trip

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Tue 5/19

1:55 am-7:03 pm

2 stops14h 08m

Lambert-St Louis

Tue 5/26

3:11 pm-8:49 pm

1 stop8h 38m

$424

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Wed 5/20

7:24 pm-6:45 pm

1 stop20h 21m

Lambert-St Louis

Wed 5/27

5:33 pm-9:51 am

2 stops19h 18m

$427

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Sat 5/16

6:00 am-11:59 pm

2 stops14h 59m

Lambert-St Louis

Sat 5/23

11:25 am-11:20 pm

2 stops14h 55m

$429

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Wed 6/3

7:00 am-11:59 pm

1 stop13h 59m

Lambert-St Louis

Mon 6/8

6:00 am-8:41 pm

1 stop17h 41m

$445

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Mon 5/11

8:00 am-11:59 pm

1 stop12h 59m

Lambert-St Louis

Fri 5/15

5:33 pm-10:30 am

1 stop19h 57m

$461

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Wed 5/6

5:25 pm-11:59 pm

1 stop27h 34m

Lambert-St Louis

Wed 5/13

5:33 pm-10:30 am

1 stop19h 57m

$463

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Sun 5/24

5:05 am-11:54 pm

1 stop15h 49m

Lambert-St Louis

Wed 5/27

5:33 pm-9:51 am

2 stops19h 18m

$464

FairbanksSt. Louis

FAI - STL

FAISTL

Fairbanks

Mon 9/14

1:22 am-11:41 pm

2 stops19h 19m

Lambert-St Louis

Fri 9/25

10:14 am-8:54 pm

2 stops13h 40m

$565

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 Alaska 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

Can stopping save me money on Alaska to St. Louis flights?

You could potentially save up to 51% on your flight if you consider stops on a Alaska to St. Louis flight.

Cheap Alaska to St. Louis flight deals and tips

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

Fastest flight time

9h 48m

Direct flights

None
The fastest flight from Alaska to St. Louis takes 9h 48m
There are no direct flights from Alaska to St. Louis. There are no popular flight routes from Alaska to St. Louis.
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Frequently asked questions about flying from Alaska to St. Louis

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

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

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

  • How old do you have to be to fly from Alaska 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 Alaska 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.

Best airlines flying from Alaska to St. Louis

Compare and see reviews for airlines that fly from Alaska to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $330Free CancellationRating
7.9
8,406 reviews
Search Delta flights
American AirlinesPriceFrom $400Free CancellationRating
7.1
11,593 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $500Free CancellationRating
7.9
12,253 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
Maryland Heights
O'Fallon
Florissant
St. Peters
Collinsville
Alton
Wentzville
Fenton
Farmington
Clayton
Festus
Eureka
Litchfield
Edwardsville
Shrewsbury
Grafton

Why use momondo?

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

Finding the right flight to St. Louis from Alaska is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to St. Louis from Alaska with this policy.

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

Once all potential Alaska to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Alaska 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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