How long does it take to fly to St. Louis?

Flight times from Alaska to St. Louis vary, but if you’re flying out of Fairbanks and flying into St. Louis (one of the most popular routes), then the duration is 9h 59m on average. Another popular route from Alaska to St. Louis is flying from Anchorage to St. Louis, which will take roughly 11h 35m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from Alaska to Lambert-St Louis?

Delta, Alaska Airlines, and Hawaiian Airlines are the most popular carriers operating from Alaska to Lambert-St Louis

What airlines fly to St. Louis?

Alaska Airlines, Delta and United Airlines are the top three most popular airlines that fly to St. Louis from Alaska according to our data. Alaska Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 4 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

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?

As of July 2025, there are 4 operators available to choose from 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.

$236 Cheap Flights from Alaska to St. Louis in 2025

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Find the cheapest flights from Alaska to St. Louis

Round-trip

One-way

Last minute

Cheap round-trip flights

12:55 am - 4:42 pmANC-STL

12h 47m2 stops

12:15 pm - 1:37 amSTL-ANC

16h 22m2 stops

$455Delta

Find Deal

Fri, Sep 19 - Tue, Sep 30

12:55 am - 5:47 pmANC-STL

13h 52m2 stops

7:35 am - 4:24 pmSTL-ANC

11h 49m2 stops

$461Delta

Find Deal

Wed, Aug 27 - Tue, Sep 2

2:23 pm - 8:36 amANC-STL

15h 13m2 stops

11:29 am - 6:52 pmSTL-ANC

10h 23m1 stop

$464Delta

Find Deal

Wed, Sep 3 - Wed, Sep 10

1:31 am - 2:39 pmANC-STL

10h 08m1 stop

6:30 pm - 2:47 amSTL-ANC

11h 17m1 stop

$474Alaska Airlines

Find Deal

Wed, Sep 10 - Thu, Sep 18

12:34 am - 2:39 pmANC-STL

11h 05m1 stop

6:00 am - 12:19 pmSTL-ANC

9h 19m1 stop

$475Alaska Airlines

Find Deal

Tue, Sep 2 - Wed, Sep 10

1:25 pm - 1:32 pmANC-STL

21h 07m2 stops

2:30 pm - 12:21 pmSTL-ANC

24h 51m3 stops

$644

Find Deal

Thu, Aug 28 - Sun, Aug 31

7:46 pm - 9:00 amANC-STL

10h 14m1 stop

12:20 pm - 11:06 pmSTL-ANC

13h 46m1 stop

$736American Airlines

Find Deal

Wed, Aug 13 - Sun, Aug 17

9:07 pm - 12:28 pmANC-STL

12h 21m1 stop

5:24 pm - 7:59 pmSTL-ANC

29h 35m1 stop

$748United Airlines

Find Deal

Wed, Nov 26 - Sun, Nov 30

8:21 pm - 12:37 pmANC-STL

13h 16m1 stop

5:17 am - 7:16 pmSTL-ANC

16h 59m1 stop

$790American Airlines

Find Deal

Fri, Nov 21 - Sat, Nov 29

11:59 pm - 12:39 pmANC-STL

9h 40m1 stop

12:31 pm - 7:59 pmSTL-ANC

10h 28m1 stop

$870United Airlines

Find Deal

Sat, Nov 22 - Sat, Nov 29

American Airlines flights from Alaska to St. Louis

Our best American Airlines deals on Alaska to St. Louis flight tickets

American Airlines

Aug 13

ANC7:46 pmAnchorage

10h 14m

1 stop

STL9:00 amLambert-St Louis

Aug 17

STL12:20 pmLambert-St Louis

13h 46m

1 stop

ANC11:06 pmAnchorage

$736

Find similar

American Airlines

Nov 21

ANC8:21 pmAnchorage

13h 16m

1 stop

STL12:37 pmLambert-St Louis

Nov 29

STL5:17 amLambert-St Louis

16h 59m

1 stop

ANC7:16 pmAnchorage

$790

Find similar

American Airlines

Aug 6

ANC9:54 pmAnchorage

12h 18m

1 stop

STL1:12 pmLambert-St Louis

Aug 13

STL7:23 amLambert-St Louis

16h 26m

1 stop

ANC8:49 pmAnchorage

$835

Find similar

Delta flights from Alaska to St. Louis

Our best Delta deals on Alaska to St. Louis flight tickets

Delta

Sep 19

ANC12:55 amAnchorage

12h 47m

2 stops

STL4:42 pmLambert-St Louis

Sep 30

STL12:15 pmLambert-St Louis

16h 22m

2 stops

ANC1:37 amAnchorage

$455

Find similar

Delta

Aug 27

ANC12:55 amAnchorage

13h 52m

2 stops

STL5:47 pmLambert-St Louis

Sep 2

STL7:35 amLambert-St Louis

11h 49m

2 stops

ANC4:24 pmAnchorage

$461

Find similar

Delta

Sep 3

ANC2:23 pmAnchorage

15h 13m

2 stops

STL8:36 amLambert-St Louis

Sep 10

STL11:29 amLambert-St Louis

10h 23m

1 stop

ANC6:52 pmAnchorage

$464

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Fri 9/19

12:55 am-4:42 pm

2 stops12h 47m

Lambert-St Louis

Tue 9/30

12:15 pm-1:37 am

2 stops16h 22m

$455

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Wed 8/27

12:55 am-5:47 pm

2 stops13h 52m

Lambert-St Louis

Tue 9/2

7:35 am-4:24 pm

2 stops11h 49m

$461

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Wed 9/3

2:23 pm-8:36 am

2 stops15h 13m

Lambert-St Louis

Wed 9/10

11:29 am-6:52 pm

1 stop10h 23m

$464

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Wed 9/10

1:31 am-2:39 pm

1 stop10h 08m

Lambert-St Louis

Thu 9/18

6:30 pm-2:47 am

1 stop11h 17m

$474

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Tue 9/2

12:34 am-2:39 pm

1 stop11h 05m

Lambert-St Louis

Wed 9/10

6:00 am-12:19 pm

1 stop9h 19m

$475

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Thu 8/28

1:25 pm-1:32 pm

2 stops21h 07m

Lambert-St Louis

Sun 8/31

2:30 pm-12:21 pm

3 stops24h 51m

$644

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Wed 8/13

7:46 pm-9:00 am

1 stop10h 14m

Lambert-St Louis

Sun 8/17

12:20 pm-11:06 pm

1 stop13h 46m

$736

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Wed 11/26

9:07 pm-12:28 pm

1 stop12h 21m

Lambert-St Louis

Sun 11/30

5:24 pm-7:59 pm

1 stop29h 35m

$748

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Fri 11/21

8:21 pm-12:37 pm

1 stop13h 16m

Lambert-St Louis

Sat 11/29

5:17 am-7:16 pm

1 stop16h 59m

$790

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Sat 11/22

11:59 pm-12:39 pm

1 stop9h 40m

Lambert-St Louis

Sat 11/29

12:31 pm-7:59 pm

1 stop10h 28m

$870

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $468. The month of April is another great option to travel to St. Louis, with average flight prices from Alaska averaging around $499.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Sunday when prices can be found for as low as $678. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $970. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Alaska in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $550 when looking at flights departing in the afternoon. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $736 per ticket.

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

You could potentially save up to 22% 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

Best Price Found	$236
Fastest flight time	7h 19m
Direct flights	None
Airports in St. Louis	1 airport

The best one-way flight to St. Louis from Alaska in the past 72 hours is $236. The best round-trip flight deal from Alaska to St. Louis found on momondo in the last 72 hours is $455.

The fastest flight from Alaska to St. Louis takes 7h 19m

There are no direct flights from Alaska to St. Louis. Popular non-direct route for this connection is Anchorage Airport - Lambert-St Louis Airport.

There is 1 airport near St. Louis: Lambert-St Louis (STL)

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?
As of July 2025, there are 4 operators available to choose from 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
American Airlines	PriceFrom $499	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $499	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
Delta	PriceFrom $499	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
Alaska Airlines	PriceFrom $519	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights

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Chesterfield

Hermann

Fairview Heights

Maryland Heights

Florissant

Fenton

Collinsville

O'Fallon

Alton

St. Peters

Farmington

Wentzville

Festus

Glencoe

Eureka

Edwardsville

Clayton

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.