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

Delta, Alaska Airlines, and United 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 43% 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.

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 Anchorage and flying into St. Louis (one of the most popular routes), then the duration is 7h 41m on average. Another popular route from Alaska to St. Louis is flying from Fairbanks to St. Louis, which will take roughly 19h 23m. Keep in mind that layovers or delays could extend your travel time.

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 September 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.

$177 Cheap Flights from Alaska to St. Louis in 2025/26

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Find the cheapest flights from Alaska to St. Louis

Round-trip

One-way

Last minute

Cheap round-trip flights

2:26 am - 12:03 amANC-STL

18h 37m1 stop

7:00 am - 10:48 pmSTL-ANC

18h 48m1 stop

$356Alaska Airlines

Find Deal

dom., oct. 19 - lun., oct. 27

2:26 am - 12:03 amANC-STL

18h 37m1 stop

7:00 am - 12:57 amSTL-ANC

20h 57m2 stops

$361Alaska Airlines

Find Deal

dom., oct. 19 - lun., oct. 27

1:47 am - 12:03 amANC-STL

19h 16m2 stops

7:00 am - 12:57 amSTL-ANC

20h 57m2 stops

$366Alaska Airlines

Find Deal

dom., oct. 19 - lun., oct. 27

11:49 pm - 3:44 pmANC-STL

12h 55m2 stops

12:25 pm - 7:57 pmSTL-ANC

10h 32m1 stop

$415United Airlines

Find Deal

mar., oct. 14 - dom., oct. 19

9:05 am - 11:59 pmANC-STL

11h 54m1 stop

7:00 am - 2:14 pmSTL-ANC

10h 14m1 stop

$422Alaska Airlines

Find Deal

vie., nov. 7 - vie., nov. 14

1:39 am - 12:03 amANC-STL

19h 24m1 stop

7:00 am - 10:05 amSTL-ANC

30h 05m2 stops

$431Alaska Airlines

Find Deal

sáb., oct. 18 - dom., oct. 26

12:30 am - 3:31 pmANC-STL

12h 01m2 stops

12:49 pm - 6:46 pmSTL-ANC

8h 57m1 stop

$445Delta

Find Deal

mié., nov. 5 - jue., nov. 13

6:05 am - 4:46 pmANC-STL

7h 41m1 stop

5:31 pm - 12:51 amSTL-ANC

10h 20m1 stop

$449Delta

Find Deal

mar., oct. 14 - dom., oct. 19

7:52 pm - 4:17 pmANC-STL

17h 25m1 stop

5:11 am - 6:44 pmSTL-ANC

16h 33m1 stop

$558American Airlines

Find Deal

mié., oct. 15 - dom., oct. 19

9:00 pm - 12:37 pmANC-STL

12h 37m1 stop

9:36 am - 7:16 pmSTL-ANC

12h 40m1 stop

$664American Airlines

Find Deal

mié., nov. 26 - lun., dic. 1

Delta flights from Alaska to St. Louis

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

Delta

Nov 5

ANC12:30 amAnchorage

12h 01m

2 stops

STL3:31 pmLambert-St Louis

Nov 13

STL12:49 pmLambert-St Louis

8h 57m

1 stop

ANC6:46 pmAnchorage

$445

Find similar

Delta

Oct 14

ANC6:05 amAnchorage

7h 41m

1 stop

STL4:46 pmLambert-St Louis

Oct 19

STL5:31 pmLambert-St Louis

10h 20m

1 stop

ANC12:51 amAnchorage

$449

Find similar

Delta

Nov 5

ANC12:30 amAnchorage

12h 01m

2 stops

STL3:31 pmLambert-St Louis

Nov 13

STL1:55 pmLambert-St Louis

15h 02m

2 stops

ANC1:57 amAnchorage

$450

Find similar

Alaska Airlines flights from Alaska to St. Louis

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

Alaska Airlines

Oct 19

ANC2:26 amAnchorage

18h 37m

1 stop

STL12:03 amLambert-St Louis

Oct 27

STL7:00 amLambert-St Louis

18h 48m

1 stop

ANC10:48 pmAnchorage

$356

Find similar

Alaska Airlines

Oct 19

ANC2:26 amAnchorage

18h 37m

1 stop

STL12:03 amLambert-St Louis

Oct 27

STL7:00 amLambert-St Louis

20h 57m

2 stops

ANC12:57 amAnchorage

$361

Find similar

Alaska Airlines

Oct 19

ANC1:47 amAnchorage

19h 16m

2 stops

STL12:03 amLambert-St Louis

Oct 27

STL7:00 amLambert-St Louis

20h 57m

2 stops

ANC12:57 amAnchorage

$366

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

dom. 10/19

2:26 am-12:03 am

1 stop18h 37m

Lambert-St Louis

lun. 10/27

7:00 am-10:48 pm

1 stop18h 48m

$356

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

dom. 10/19

2:26 am-12:03 am

1 stop18h 37m

Lambert-St Louis

lun. 10/27

7:00 am-12:57 am

2 stops20h 57m

$361

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

dom. 10/19

1:47 am-12:03 am

2 stops19h 16m

Lambert-St Louis

lun. 10/27

7:00 am-12:57 am

2 stops20h 57m

$366

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

mar. 10/14

11:49 pm-3:44 pm

2 stops12h 55m

Lambert-St Louis

dom. 10/19

12:25 pm-7:57 pm

1 stop10h 32m

$415

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

vie. 11/7

9:05 am-11:59 pm

1 stop11h 54m

Lambert-St Louis

vie. 11/14

7:00 am-2:14 pm

1 stop10h 14m

$422

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

sáb. 10/18

1:39 am-12:03 am

1 stop19h 24m

Lambert-St Louis

dom. 10/26

7:00 am-10:05 am

2 stops30h 05m

$431

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

mié. 11/5

12:30 am-3:31 pm

2 stops12h 01m

Lambert-St Louis

jue. 11/13

12:49 pm-6:46 pm

1 stop8h 57m

$445

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

mar. 10/14

6:05 am-4:46 pm

1 stop7h 41m

Lambert-St Louis

dom. 10/19

5:31 pm-12:51 am

1 stop10h 20m

$449

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

mié. 10/15

7:52 pm-4:17 pm

1 stop17h 25m

Lambert-St Louis

dom. 10/19

5:11 am-6:44 pm

1 stop16h 33m

$558

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

mié. 11/26

9:00 pm-12:37 pm

1 stop12h 37m

Lambert-St Louis

lun. 12/1

9:36 am-7:16 pm

1 stop12h 40m

$664

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 25% 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

Direct flights	None

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?
As of September 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 $467	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $475	Free Cancellation	Rating 7.9 7,974 reviews	Search Delta flights
United Airlines	PriceFrom $499	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $519	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights

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Chesterfield

Fairview Heights

Hermann

Florissant

Maryland Heights

O'Fallon

Fenton

Collinsville

Wentzville

Alton

St. Peters

Farmington

Festus

Glencoe

Clayton

Edwardsville

Eureka

Litchfield

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.