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Cheap flights from Alaska to St. Louis from $192

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 9/1. 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

Discover deals from 900+ travel sites with momondo.

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
1:29 am - 5:10 pm
ANC
-
STL
12h 41m
2 stops
Alaska Airlines Logo
7:36 pm - 10:02 am
STL
-
ANC
17h 26m
1 stop
$384Alaska Airlines
Thu, Aug 20 - Fri, Aug 21
Southwest Logo
11:55 pm - 12:05 pm
ANC
-
STL
9h 10m
1 stop
Southwest Logo
1:45 pm - 10:45 pm
STL
-
ANC
12h 00m
1 stop
$385Southwest
Wed, Aug 19 - Mon, Aug 24
Alaska Airlines Logo
1:28 am - 11:59 pm
FAI
-
STL
19h 31m
1 stop
Alaska Airlines Logo
7:36 pm - 1:48 am
STL
-
FAI
9h 12m
1 stop
$386Alaska Airlines
Wed, Aug 26 - Mon, Aug 31
Alaska Airlines Logo
5:31 am - 11:59 pm
FAI
-
STL
15h 28m
1 stop
Alaska Airlines Logo
6:35 am - 1:48 am
STL
-
FAI
22h 13m
1 stop
$388Alaska Airlines
Mon, Aug 24 - Tue, Sep 1
Alaska Airlines Logo
1:29 am - 5:10 pm
ANC
-
STL
12h 41m
2 stops
Alaska Airlines Logo
6:08 pm - 10:18 am
STL
-
ANC
19h 10m
1 stop
$390Alaska Airlines
Tue, Aug 18 - Tue, Aug 25
Alaska Airlines Logo
8:01 am - 5:10 pm
FAI
-
STL
30h 09m
2 stops
Alaska Airlines Logo
7:36 pm - 1:48 am
STL
-
FAI
9h 12m
1 stop
$394Alaska Airlines
Thu, Aug 27 - Mon, Aug 31
Delta Logo
10:30 pm - 8:42 pm
ANC
-
STL
19h 12m
1 stop
Delta Logo
8:00 am - 11:24 pm
STL
-
ANC
18h 24m
1 stop
$395Delta
Sun, Aug 16 - Mon, Aug 24
Delta Logo
10:30 pm - 8:42 pm
ANC
-
STL
19h 12m
1 stop
Delta Logo
7:00 am - 9:00 pm
STL
-
ANC
17h 00m
2 stops
$400Delta
Sun, Aug 16 - Sat, Aug 22
Delta Logo
10:10 pm - 2:47 pm
ANC
-
STL
13h 37m
1 stop
Delta Logo
5:34 pm - 12:59 am
STL
-
ANC
10h 25m
1 stop
$403Delta
Fri, Aug 21 - Fri, Aug 28
Delta Logo
6:15 am - 12:41 am
ANC
-
STL
15h 26m
2 stops
Delta Logo
8:00 am - 8:12 pm
STL
-
ANC
15h 12m
2 stops
$405Delta
Wed, Aug 19 - Mon, Aug 24

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United Airlines flights from Alaska to St. Louis

Our best United Airlines deals on Alaska to St. Louis flight tickets
United Airlines
Nov 19
ANC8:54 pmAnchorage
10h 38m
1 stop
STL10:32 amLambert-St Louis
Nov 22
STL1:08 pmLambert-St Louis
12h 48m
2 stops
ANC10:56 pmAnchorage
$478
United Airlines
Aug 7
FAI1:00 amFairbanks
8h 42m
1 stop
STL12:42 pmLambert-St Louis
Aug 12
STL11:15 amLambert-St Louis
14h 44m
2 stops
FAI10:59 pmFairbanks
$662
United Airlines
Aug 8
FAI8:45 pmFairbanks
8h 54m
1 stop
STL8:39 amLambert-St Louis
Aug 12
STL4:40 pmLambert-St Louis
9h 19m
1 stop
FAI10:59 pmFairbanks
$683

Delta flights from Alaska to St. Louis

Our best Delta deals on Alaska to St. Louis flight tickets
Delta
Aug 16
ANC10:30 pmAnchorage
19h 12m
1 stop
STL8:42 pmLambert-St Louis
Aug 24
STL8:00 amLambert-St Louis
18h 24m
1 stop
ANC11:24 pmAnchorage
$395
Delta
Aug 16
ANC10:30 pmAnchorage
19h 12m
1 stop
STL8:42 pmLambert-St Louis
Aug 22
STL7:00 amLambert-St Louis
17h 00m
2 stops
ANC9:00 pmAnchorage
$400
Delta
Aug 21
ANC10:10 pmAnchorage
13h 37m
1 stop
STL2:47 pmLambert-St Louis
Aug 28
STL5:34 pmLambert-St Louis
10h 25m
1 stop
ANC12:59 amAnchorage
$403

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 July 25, 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

Thu 8/20

1:29 am-5:10 pm

2 stops12h 41m

Lambert-St Louis

Fri 8/21

7:36 pm-10:02 am

1 stop17h 26m

$384
Quickest round-trip

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Wed 8/19

11:55 pm-12:05 pm

1 stop9h 10m

Lambert-St Louis

Mon 8/24

1:45 pm-10:45 pm

1 stop12h 00m

$385

FairbanksSt. Louis

FAI - STL

FAISTL

Fairbanks

Wed 8/26

1:28 am-11:59 pm

1 stop19h 31m

Lambert-St Louis

Mon 8/31

7:36 pm-1:48 am

1 stop9h 12m

$386

FairbanksSt. Louis

FAI - STL

FAISTL

Fairbanks

Mon 8/24

5:31 am-11:59 pm

1 stop15h 28m

Lambert-St Louis

Tue 9/1

6:35 am-1:48 am

1 stop22h 13m

$388

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Tue 8/18

1:29 am-5:10 pm

2 stops12h 41m

Lambert-St Louis

Tue 8/25

6:08 pm-10:18 am

1 stop19h 10m

$390

FairbanksSt. Louis

FAI - STL

FAISTL

Fairbanks

Thu 8/27

8:01 am-5:10 pm

2 stops30h 09m

Lambert-St Louis

Mon 8/31

7:36 pm-1:48 am

1 stop9h 12m

$394

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Sun 8/16

10:30 pm-8:42 pm

1 stop19h 12m

Lambert-St Louis

Mon 8/24

8:00 am-11:24 pm

1 stop18h 24m

$395

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Sun 8/16

10:30 pm-8:42 pm

1 stop19h 12m

Lambert-St Louis

Sat 8/22

7:00 am-9:00 pm

2 stops17h 00m

$400

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Fri 8/21

10:10 pm-2:47 pm

1 stop13h 37m

Lambert-St Louis

Fri 8/28

5:34 pm-12:59 am

1 stop10h 25m

$403

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Wed 8/19

6:15 am-12:41 am

2 stops15h 26m

Lambert-St Louis

Mon 8/24

8:00 am-8:12 pm

2 stops15h 12m

$405

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, February 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 $0. The month of January is another great option to travel to St. Louis, with average flight prices from Alaska averaging around $419.

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

You could potentially save up to 48% 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 12m

Direct flights

None
The fastest flight from Alaska to St. Louis takes 9h 12m
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
7.8
8,486 reviews
Search Delta flights
Alaska AirlinesPriceFrom $500Free CancellationRating
7.9
12,714 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
Fairview Heights
Hermann
Collinsville
St. Peters
Florissant
Maryland Heights
O'Fallon
Alton
Farmington
Clayton
Wentzville
Fenton
Festus
Eureka
Edwardsville
Litchfield
Grafton
Shrewsbury

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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