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Cheap flights from Alaska to St. Louis from $177

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 4/22. 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 Alaska to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
9:15 pm - 2:24 pm
ANC
-
STL
14h 09m
1 stop
Delta Logo
6:29 am - 6:51 pm
STL
-
ANC
15h 22m
1 stop
$359Delta
Sun, Apr 5 - Sun, Apr 12
Alaska Airlines Logo
1:47 am - 11:59 pm
ANC
-
STL
19h 12m
1 stop
Alaska Airlines Logo
3:50 pm - 3:17 pm
STL
-
ANC
26h 27m
1 stop
$361Alaska Airlines
Fri, Apr 17 - Tue, Apr 21
Delta Logo
6:15 am - 12:21 am
ANC
-
STL
15h 06m
2 stops
Delta Logo
6:29 am - 6:51 pm
STL
-
ANC
15h 22m
1 stop
$364Delta
Sun, Apr 5 - Sun, Apr 12
Alaska Airlines Logo
1:47 am - 11:59 pm
ANC
-
STL
19h 12m
1 stop
Alaska Airlines Logo
3:50 pm - 1:32 pm
STL
-
ANC
24h 42m
2 stops
$366Alaska Airlines
Fri, Apr 17 - Tue, Apr 21
Delta Logo
6:00 am - 9:31 pm
ANC
-
STL
12h 31m
2 stops
Delta Logo
12:23 pm - 12:25 am
STL
-
ANC
15h 02m
2 stops
$369Delta
Sat, Apr 18 - Tue, Apr 21
Delta Logo
9:59 pm - 2:31 pm
ANC
-
STL
13h 32m
1 stop
Delta Logo
8:53 am - 8:49 pm
STL
-
ANC
14h 56m
1 stop
$391Delta
Mon, May 11 - Fri, May 15
Delta Logo
6:15 am - 12:21 am
ANC
-
STL
15h 06m
2 stops
Delta Logo
6:29 am - 8:35 pm
STL
-
ANC
17h 06m
2 stops
$395Delta
Sun, Apr 5 - Sun, Apr 12
Delta Logo
1:45 am - 12:25 am
FAI
-
STL
19h 40m
2 stops
Delta Logo
9:59 am - 12:40 am
STL
-
FAI
17h 41m
2 stops
$397Delta
Mon, Apr 20 - Mon, May 4
Delta Logo
12:35 am - 1:32 pm
ANC
-
STL
9h 57m
1 stop
Delta Logo
11:22 am - 8:49 pm
STL
-
ANC
12h 27m
1 stop
$417Delta
Fri, May 15 - Fri, May 22
Delta Logo
6:15 am - 12:21 am
ANC
-
STL
15h 06m
2 stops
Delta Logo
12:28 pm - 12:29 am
STL
-
ANC
15h 01m
2 stops
$421Delta
Sun, Apr 5 - Sun, Apr 12

Delta flights from Alaska to St. Louis

Our best Delta deals on Alaska to St. Louis flight tickets
Delta
Apr 5
ANC9:15 pmAnchorage
14h 09m
1 stop
STL2:24 pmLambert-St Louis
Apr 12
STL6:29 amLambert-St Louis
15h 22m
1 stop
ANC6:51 pmAnchorage
$359
Delta
Apr 5
ANC6:15 amAnchorage
15h 06m
2 stops
STL12:21 amLambert-St Louis
Apr 12
STL6:29 amLambert-St Louis
15h 22m
1 stop
ANC6:51 pmAnchorage
$364
Delta
Apr 18
ANC6:00 amAnchorage
12h 31m
2 stops
STL9:31 pmLambert-St Louis
Apr 21
STL12:23 pmLambert-St Louis
15h 02m
2 stops
ANC12:25 amAnchorage
$369

American Airlines flights from Alaska to St. Louis

Our best American Airlines deals on Alaska to St. Louis flight tickets
American Airlines
Mar 13
ANC8:13 pmAnchorage
9h 42m
1 stop
STL8:55 amLambert-St Louis
Mar 18
STL7:00 amLambert-St Louis
15h 06m
1 stop
ANC7:06 pmAnchorage
$697
American Airlines
May 6
ANC5:25 pmAnchorage
12h 29m
2 stops
STL8:54 amLambert-St Louis
May 11
STL7:00 amLambert-St Louis
15h 39m
1 stop
ANC7:39 pmAnchorage
$1,683
American Airlines
May 11
ANC8:00 amAnchorage
11h 59m
2 stops
STL10:59 pmLambert-St Louis
May 15
STL7:12 amLambert-St Louis
13h 10m
2 stops
ANC5:22 pmAnchorage
$1,688

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 March 2, 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

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Sun 4/5

9:15 pm-2:24 pm

1 stop14h 09m

Lambert-St Louis

Sun 4/12

6:29 am-6:51 pm

1 stop15h 22m

$359

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Fri 4/17

1:47 am-11:59 pm

1 stop19h 12m

Lambert-St Louis

Tue 4/21

3:50 pm-3:17 pm

1 stop26h 27m

$361

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Sun 4/5

6:15 am-12:21 am

2 stops15h 06m

Lambert-St Louis

Sun 4/12

6:29 am-6:51 pm

1 stop15h 22m

$364

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Fri 4/17

1:47 am-11:59 pm

1 stop19h 12m

Lambert-St Louis

Tue 4/21

3:50 pm-1:32 pm

2 stops24h 42m

$366

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Sat 4/18

6:00 am-9:31 pm

2 stops12h 31m

Lambert-St Louis

Tue 4/21

12:23 pm-12:25 am

2 stops15h 02m

$369

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Mon 5/11

9:59 pm-2:31 pm

1 stop13h 32m

Lambert-St Louis

Fri 5/15

8:53 am-8:49 pm

1 stop14h 56m

$391

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Sun 4/5

6:15 am-12:21 am

2 stops15h 06m

Lambert-St Louis

Sun 4/12

6:29 am-8:35 pm

2 stops17h 06m

$395

FairbanksSt. Louis

FAI - STL

FAISTL

Fairbanks

Mon 4/20

1:45 am-12:25 am

2 stops19h 40m

Lambert-St Louis

Mon 5/4

9:59 am-12:40 am

2 stops17h 41m

$397

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Fri 5/15

12:35 am-1:32 pm

1 stop9h 57m

Lambert-St Louis

Fri 5/22

11:22 am-8:49 pm

1 stop12h 27m

$417

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Sun 4/5

6:15 am-12:21 am

2 stops15h 06m

Lambert-St Louis

Sun 4/12

12:28 pm-12:29 am

2 stops15h 01m

$421

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

What is the cheapest month to fly to St. Louis?

In general, January is the cheapest month to fly from Alaska to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $419. The month of April is another great option to travel to St. Louis, with average flight prices from Alaska averaging around $499.

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

You could potentially save up to 62% 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

10h 53m

Direct flights

None
The fastest flight from Alaska to St. Louis takes 10h 53m
There are no direct flights from Alaska to St. Louis. There are no popular flight routes from Alaska to St. Louis.
Search flight deals

  • 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 $348Free CancellationRating
7.9
8,238 reviews
Search Delta flights
American AirlinesPriceFrom $400Free CancellationRating
7.1
11,371 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $519Free CancellationRating
8.0
11,977 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
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 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.

An easier way to manage your St. Louis trip

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