Cheap flights from Alaska to St. Louis from $182

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 7/3. 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

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:35 pm - 11:23 pm
ANC
-
STL
7h 48m
1 stop
Delta Logo
10:19 am - 11:20 pm
STL
-
ANC
16h 01m
2 stops
$399Delta
Wed, Jul 1 - Tue, Jul 7
Delta Logo
2:10 pm - 8:42 am
ANC
-
STL
15h 32m
2 stops
Delta Logo
10:19 am - 11:20 pm
STL
-
ANC
16h 01m
2 stops
$433Delta
Wed, Jul 1 - Tue, Jul 7
United Airlines Logo
8:27 pm - 8:39 am
FAI
-
STL
9h 12m
1 stop
United Airlines Logo
4:40 pm - 10:59 pm
STL
-
FAI
9h 19m
1 stop
$456United Airlines
Wed, Aug 26 - Sat, Aug 29
Alaska Airlines Logo
6:07 am - 6:38 pm
ANC
-
STL
9h 31m
1 stop
Alaska Airlines Logo
6:08 pm - 10:18 am
STL
-
ANC
19h 10m
1 stop
$463Alaska Airlines
Thu, Aug 27 - Sat, Aug 29
Delta Logo
9:53 pm - 5:23 pm
FAI
-
STL
16h 30m
2 stops
Delta Logo
2:30 pm - 12:30 am
STL
-
FAI
13h 00m
2 stops
$485Delta
Fri, Jul 3 - Wed, Jul 8
Alaska Airlines Logo
4:01 pm - 11:59 pm
FAI
-
STL
28h 58m
1 stop
Alaska Airlines Logo
6:08 pm - 8:40 pm
STL
-
FAI
29h 32m
2 stops
$492Alaska Airlines
Wed, Aug 26 - Sat, Aug 29
Alaska Airlines Logo
9:00 am - 5:10 pm
FAI
-
STL
29h 10m
2 stops
Alaska Airlines Logo
6:08 pm - 8:40 pm
STL
-
FAI
29h 32m
2 stops
$493Alaska Airlines
Wed, Aug 26 - Sat, Aug 29
Alaska Airlines Logo
6:50 am - 11:59 pm
ANC
-
STL
14h 09m
1 stop
Alaska Airlines Logo
7:56 pm - 9:36 am
STL
-
ANC
16h 40m
1 stop
$503Alaska Airlines
Wed, Jul 1 - Tue, Jul 7
Delta Logo
9:53 pm - 10:28 am
FAI
-
STL
9h 35m
1 stop
Delta Logo
2:30 pm - 12:30 am
STL
-
FAI
13h 00m
2 stops
$509Delta
Fri, Jul 3 - Wed, Jul 8
United Airlines Logo
11:59 pm - 12:11 pm
ANC
-
STL
9h 12m
1 stop
United Airlines Logo
5:10 am - 11:10 am
STL
-
ANC
9h 00m
1 stop
$549United Airlines
Mon, Jun 22 - Thu, Jun 25

United Airlines flights from Alaska to St. Louis

Our best United Airlines deals on Alaska to St. Louis flight tickets
United Airlines
Aug 26
FAI8:27 pmFairbanks
9h 12m
1 stop
STL8:39 amLambert-St Louis
Aug 29
STL4:40 pmLambert-St Louis
9h 19m
1 stop
FAI10:59 pmFairbanks
$456
United Airlines
Jun 22
ANC11:59 pmAnchorage
9h 12m
1 stop
STL12:11 pmLambert-St Louis
Jun 25
STL5:10 amLambert-St Louis
9h 00m
1 stop
ANC11:10 amAnchorage
$549
United Airlines
Jul 26
ANC8:40 pmAnchorage
24h 04m
1 stop
STL11:44 pmLambert-St Louis
Jul 31
STL1:13 pmLambert-St Louis
9h 41m
1 stop
ANC7:54 pmAnchorage
$717

Alaska Airlines flights from Alaska to St. Louis

Our best Alaska Airlines deals on Alaska to St. Louis flight tickets
Alaska Airlines
Aug 27
ANC6:07 amAnchorage
9h 31m
1 stop
STL6:38 pmLambert-St Louis
Aug 29
STL6:08 pmLambert-St Louis
19h 10m
1 stop
ANC10:18 amAnchorage
$463
Alaska Airlines
Aug 18
ANC9:07 amAnchorage
11h 52m
1 stop
STL11:59 pmLambert-St Louis
Aug 19
STL6:08 pmLambert-St Louis
18h 54m
2 stops
ANC10:02 amAnchorage
$468
Alaska Airlines
Aug 26
FAI4:01 pmFairbanks
28h 58m
1 stop
STL11:59 pmLambert-St Louis
Aug 29
STL6:08 pmLambert-St Louis
29h 32m
2 stops
FAI8:40 pmFairbanks
$492

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 June 5, 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

Wed 7/1

12:35 pm-11:23 pm

1 stop7h 48m

Lambert-St Louis

Tue 7/7

10:19 am-11:20 pm

2 stops16h 01m

$399

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Wed 7/1

2:10 pm-8:42 am

2 stops15h 32m

Lambert-St Louis

Tue 7/7

10:19 am-11:20 pm

2 stops16h 01m

$433

FairbanksSt. Louis

FAI - STL

FAISTL

Fairbanks

Wed 8/26

8:27 pm-8:39 am

1 stop9h 12m

Lambert-St Louis

Sat 8/29

4:40 pm-10:59 pm

1 stop9h 19m

$456

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Thu 8/27

6:07 am-6:38 pm

1 stop9h 31m

Lambert-St Louis

Sat 8/29

6:08 pm-10:18 am

1 stop19h 10m

$463

FairbanksSt. Louis

FAI - STL

FAISTL

Fairbanks

Fri 7/3

9:53 pm-5:23 pm

2 stops16h 30m

Lambert-St Louis

Wed 7/8

2:30 pm-12:30 am

2 stops13h 00m

$485

FairbanksSt. Louis

FAI - STL

FAISTL

Fairbanks

Wed 8/26

4:01 pm-11:59 pm

1 stop28h 58m

Lambert-St Louis

Sat 8/29

6:08 pm-8:40 pm

2 stops29h 32m

$492

FairbanksSt. Louis

FAI - STL

FAISTL

Fairbanks

Wed 8/26

9:00 am-5:10 pm

2 stops29h 10m

Lambert-St Louis

Sat 8/29

6:08 pm-8:40 pm

2 stops29h 32m

$493

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Wed 7/1

6:50 am-11:59 pm

1 stop14h 09m

Lambert-St Louis

Tue 7/7

7:56 pm-9:36 am

1 stop16h 40m

$503

FairbanksSt. Louis

FAI - STL

FAISTL

Fairbanks

Fri 7/3

9:53 pm-10:28 am

1 stop9h 35m

Lambert-St Louis

Wed 7/8

2:30 pm-12:30 am

2 stops13h 00m

$509
Quickest round-trip

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Mon 6/22

11:59 pm-12:11 pm

1 stop9h 12m

Lambert-St Louis

Thu 6/25

5:10 am-11:10 am

1 stop9h 00m

$549

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 April is another great option to travel to St. Louis, with average flight prices from Alaska averaging around $107.

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

7h 38m

Direct flights

None
The fastest flight from Alaska to St. Louis takes 7h 38m
There are no direct flights from Alaska to St. Louis. There are no popular flight routes from Alaska to St. Louis.

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
8,396 reviews
Search Delta flights
American AirlinesPriceFrom $400Free CancellationRating
7.1
11,642 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $500Free CancellationRating
7.9
12,466 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
Maryland Heights
Florissant
O'Fallon
St. Peters
Collinsville
Fenton
Alton
Wentzville
Farmington
Festus
Eureka
Clayton
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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1 adult
Sun 7/5
Sun 7/12

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