What airlines fly to Alaska?

Alaska Airlines, Delta and United Airlines are the top three most popular airlines that fly to Alaska from St. Louis according to our data. Alaska Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Alaska. Keep in mind that there are 4 different airlines that fly to Alaska on a routine basis, so you have a few additional options to choose from.

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

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

When did momondo last update prices for flights from Lambert-St Louis Airport to Alaska?

Prices for flights from Lambert-St Louis Airport to Alaska refresh daily.

How many operators does momondo search for flights from Lambert-St Louis Airport to Alaska?

As of February 2026, there are 4 operators available to choose from for flights from Lambert-St Louis Airport to Alaska.

How old do you have to be to fly from Lambert-St Louis Airport to Alaska?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Alaska.

What documentation or ID do you need to fly to Alaska?

The travel and health documents you'll need for your trip to Alaska may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Alaska. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$171 Cheap Flights from St. Louis to Alaska in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from St. Louis to Alaska

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:12 am - 6:50 pm

STL

ANC

14h 38m

1 stop

8:30 pm - 5:21 pm

ANC

STL

17h 51m

1 stop

$319American Airlines

Wed, Apr 29 - Wed, May 6

9:10 am - 10:45 pm

STL

ANC

16h 35m

2 stops

11:59 pm - 12:34 pm

ANC

STL

9h 35m

1 stop

$324United Airlines

Wed, Apr 29 - Wed, May 6

7:02 am - 8:37 pm

STL

ANC

16h 35m

2 stops

6:00 am - 11:13 pm

ANC

STL

14h 13m

2 stops

$331Delta

Wed, Apr 29 - Wed, May 6

7:00 am - 6:42 pm

STL

ANC

14h 42m

1 stop

2:25 am - 11:59 pm

ANC

STL

18h 34m

1 stop

$354Alaska Airlines

Mon, Apr 6 - Mon, Apr 6

7:00 am - 7:06 pm

STL

ANC

15h 06m

1 stop

8:13 pm - 8:55 am

ANC

STL

9h 42m

1 stop

$359American Airlines

Tue, Mar 24 - Tue, Mar 31

7:12 am - 6:50 pm

STL

ANC

14h 38m

1 stop

8:30 pm - 11:37 am

ANC

STL

12h 07m

1 stop

$360American Airlines

Mon, Apr 13 - Sat, Apr 18

3:50 pm - 10:18 am

STL

ANC

21h 28m

2 stops

10:48 am - 11:59 pm

ANC

STL

10h 11m

1 stop

$364Alaska Airlines

Tue, Mar 24 - Tue, Mar 31

7:15 am - 8:35 pm

STL

ANC

16h 20m

2 stops

9:15 pm - 11:48 am

ANC

STL

11h 33m

1 stop

$365Delta

Mon, Apr 6 - Tue, Apr 7

4:20 pm - 1:36 pm

STL

ANC

24h 16m

2 stops

7:25 pm - 11:59 pm

ANC

STL

25h 34m

1 stop

$369Alaska Airlines

Mon, Apr 6 - Tue, Apr 7

7:00 am - 5:25 pm

STL

ANC

13h 25m

2 stops

5:00 am - 11:59 pm

ANC

STL

15h 59m

2 stops

$371Alaska Airlines

Tue, Mar 24 - Tue, Mar 31

American Airlines flights from St. Louis to Alaska

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

American Airlines

Apr 29

STL7:12 amLambert-St Louis

14h 38m

1 stop

ANC6:50 pmAnchorage

May 6

ANC8:30 pmAnchorage

17h 51m

1 stop

STL5:21 pmLambert-St Louis

$319

American Airlines

Mar 24

STL7:00 amLambert-St Louis

15h 06m

1 stop

ANC7:06 pmAnchorage

Mar 31

ANC8:13 pmAnchorage

9h 42m

1 stop

STL8:55 amLambert-St Louis

$359

American Airlines

Apr 13

STL7:12 amLambert-St Louis

14h 38m

1 stop

ANC6:50 pmAnchorage

Apr 18

ANC8:30 pmAnchorage

12h 07m

1 stop

STL11:37 amLambert-St Louis

$360

United Airlines flights from St. Louis to Alaska

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

United Airlines

Apr 29

STL9:10 amLambert-St Louis

16h 35m

2 stops

ANC10:45 pmAnchorage

May 6

ANC11:59 pmAnchorage

9h 35m

1 stop

STL12:34 pmLambert-St Louis

$324

United Airlines

Apr 9

STL2:40 pmLambert-St Louis

11h 05m

1 stop

ANC10:45 pmAnchorage

Apr 13

ANC9:04 pmAnchorage

8h 31m

1 stop

STL8:35 amLambert-St Louis

$411

United Airlines

Mar 25

STL10:00 amLambert-St Louis

15h 50m

2 stops

ANC10:50 pmAnchorage

Mar 28

ANC9:10 pmAnchorage

8h 25m

1 stop

STL8:35 amLambert-St Louis

$461

Fly from

Fly to

Route

Depart

Return

Price

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Wed 4/29

7:12 am-6:50 pm

1 stop14h 38m

Anchorage

Wed 5/6

8:30 pm-5:21 pm

1 stop17h 51m

$319

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Wed 4/29

9:10 am-10:45 pm

2 stops16h 35m

Anchorage

Wed 5/6

11:59 pm-12:34 pm

1 stop9h 35m

$324

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Wed 4/29

7:02 am-8:37 pm

2 stops16h 35m

Anchorage

Wed 5/6

6:00 am-11:13 pm

2 stops14h 13m

$331

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Mon 4/6

7:00 am-6:42 pm

1 stop14h 42m

Anchorage

Mon 4/6

2:25 am-11:59 pm

1 stop18h 34m

$354

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Tue 3/24

7:00 am-7:06 pm

1 stop15h 06m

Anchorage

Tue 3/31

8:13 pm-8:55 am

1 stop9h 42m

$359

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Mon 4/13

7:12 am-6:50 pm

1 stop14h 38m

Anchorage

Sat 4/18

8:30 pm-11:37 am

1 stop12h 07m

$360

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Tue 3/24

3:50 pm-10:18 am

2 stops21h 28m

Anchorage

Tue 3/31

10:48 am-11:59 pm

1 stop10h 11m

$364

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Mon 4/6

7:15 am-8:35 pm

2 stops16h 20m

Anchorage

Tue 4/7

9:15 pm-11:48 am

1 stop11h 33m

$365

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Mon 4/6

4:20 pm-1:36 pm

2 stops24h 16m

Anchorage

Tue 4/7

7:25 pm-11:59 pm

1 stop25h 34m

$369

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Tue 3/24

7:00 am-5:25 pm

2 stops13h 25m

Anchorage

Tue 3/31

5:00 am-11:59 pm

2 stops15h 59m

$371

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 St. Louis to Alaska

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

What is the cheapest month to fly to Alaska?

If you don’t want to visit Alaska in October, then you should wait until January to fly from St. Louis, when ticket prices are also cheap, with an average price of $467.

How far in advance should I book a flight to Alaska?

You are more likely to see cheaper flights to Alaska from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Alaska for around $610 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Alaska from St. Louis for as low as $400 on momondo.

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

You could potentially save up to 13% on your flight if you consider stops on a St. Louis to Alaska flight.

Cheap St. Louis to Alaska flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Alaska

Fastest flight time	9h 05m
Direct flights	None

The fastest flight from St. Louis to Alaska takes 9h 05m

There are no direct flights from St. Louis to Alaska. There are no popular flight routes from St. Louis to Alaska.

Search flight deals

When did momondo last update prices for flights from Lambert-St Louis Airport to Alaska?
Prices for flights from Lambert-St Louis Airport to Alaska refresh daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Alaska?
As of February 2026, there are 4 operators available to choose from for flights from Lambert-St Louis Airport to Alaska.
How old do you have to be to fly from Lambert-St Louis Airport to Alaska?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Alaska.
What documentation or ID do you need to fly to Alaska?
The travel and health documents you'll need for your trip to Alaska may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Alaska. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Alaska

Compare and see reviews for airlines that fly from St. Louis to Alaska with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $259	Free Cancellation	Rating 7.9 8,180 reviews	Search Delta flights
American Airlines	PriceFrom $368	Free Cancellation	Rating 7.2 11,271 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $384	Free Cancellation	Rating 8.0 11,878 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $435	Free Cancellation	Rating 7.4 9,279 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Alaska?

It is quick and easy to find St. Louis to Alaska flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Alaska that suits you.

Can I find flights from St. Louis to Alaska with flexible booking policies on momondo?

Flights from St. Louis to Alaska with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to Alaska?

momondo provides multiple filters to help you find the best flight to Alaska from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to Alaska right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Alaska, momondo offers a useful price alert feature which will track prices for flights to Alaska from St. Louis and alert you when they change.