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 56% 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?

Delta, Alaska Airlines, and United Airlines 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 November 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.

$259 Cheap Flights from St. Louis to Alaska in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Alaska

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:04 am - 11:21 pmSTL Lambert-St Louis-ANC Anchorage

20h 17m1 stop Seattle/Tacoma Intl

9:44 pm - 3:34 pmANC Anchorage-STL Lambert-St Louis

14h 50m2 stops Fairbanks Seattle/Tacoma Intl

$492Alaska Airlines

Thu, Dec 10 - Thu, Dec 24

6:04 am - 1:02 pmSTL Lambert-St Louis-FAI Fairbanks

9h 58m1 stop Seattle/Tacoma Intl

7:00 am - 11:59 pmFAI Fairbanks-STL Lambert-St Louis

13h 59m1 stop Seattle/Tacoma Intl

$506Alaska Airlines

Fri, Dec 4 - Mon, Dec 7

4:06 pm - 3:01 pmSTL Lambert-St Louis-FAI Fairbanks

25h 55m1 stop Seattle/Tacoma Intl

2:12 am - 3:08 pmFAI Fairbanks-STL Lambert-St Louis

9h 56m1 stop Seattle/Tacoma Intl

$509Alaska Airlines

Thu, Jan 21 - Wed, Jan 27

2:12 pm - 12:42 amSTL Lambert-St Louis-FAI Fairbanks

13h 30m2 stops Salt Lake City Seattle/Tacoma Intl

1:44 am - 9:29 pmFAI Fairbanks-STL Lambert-St Louis

16h 45m2 stops Seattle/Tacoma Intl Salt Lake City

$517Delta

Fri, Feb 26 - Fri, Mar 5

10:29 am - 12:36 amSTL Lambert-St Louis-FAI Fairbanks

17h 07m2 stops Minneapolis St Paul Seattle/Tacoma Intl

1:45 am - 9:42 pmFAI Fairbanks-STL Lambert-St Louis

16h 57m2 stops Seattle/Tacoma Intl Salt Lake City

$517Delta

Fri, Jan 15 - Tue, Jan 19

2:15 pm - 12:37 amSTL Lambert-St Louis-FAI Fairbanks

13h 22m2 stops Salt Lake City Seattle/Tacoma Intl

1:42 am - 11:26 pmFAI Fairbanks-STL Lambert-St Louis

18h 44m2 stops Seattle/Tacoma Intl Minneapolis St Paul

$517Delta

Wed, Dec 9 - Mon, Dec 14

11:45 am - 7:40 pmSTL Lambert-St Louis-ANC Anchorage

10h 55m1 stop Chicago O'Hare Intl

11:40 pm - 12:43 pmANC Anchorage-STL Lambert-St Louis

10h 03m1 stop Denver Intl

$623United Airlines

Sat, Apr 17 - Mon, Apr 26

8:06 am - 7:07 pmSTL Lambert-St Louis-ANC Anchorage

14h 01m1 stop Dallas/Fort Worth

8:15 pm - 9:27 amANC Anchorage-STL Lambert-St Louis

10h 12m1 stop Dallas/Fort Worth

$623American Airlines

Mon, Dec 21 - Fri, Dec 25

5:20 am - 6:50 pmSTL Lambert-St Louis-ANC Anchorage

16h 30m1 stop Dallas/Fort Worth

8:30 pm - 7:30 pmANC Anchorage-STL Lambert-St Louis

20h 00m1 stop Dallas/Fort Worth

$623American Airlines

Fri, Apr 16 - Mon, Apr 19

2:50 pm - 10:59 pmSTL Lambert-St Louis-ANC Anchorage

11h 09m1 stop Denver Intl

12:07 am - 12:53 pmANC Anchorage-STL Lambert-St Louis

9h 46m1 stop Denver Intl

$633United Airlines

Fri, Dec 4 - Wed, Dec 9

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Alaska Airlines flights from St. Louis to Alaska

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

Alaska Airlines

Dec 10

STL6:04 amLambert-St Louis

20h 17m

1 stop

ANC11:21 pmAnchorage

Dec 24

ANC9:44 pmAnchorage

14h 50m

2 stops

STL3:34 pmLambert-St Louis

$492

Alaska Airlines

Dec 4

STL6:04 amLambert-St Louis

9h 58m

1 stop

FAI1:02 pmFairbanks

Dec 7

FAI7:00 amFairbanks

13h 59m

1 stop

STL11:59 pmLambert-St Louis

$506

Alaska Airlines

Jan 29

STL4:06 pmLambert-St Louis

17h 19m

2 stops

ANC6:25 amAnchorage

Feb 1

ANC2:27 amAnchorage

9h 41m

1 stop

STL3:08 pmLambert-St Louis

$509

Delta flights from St. Louis to Alaska

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

Delta

Feb 26

STL2:12 pmLambert-St Louis

13h 30m

2 stops

FAI12:42 amFairbanks

Mar 5

FAI1:44 amFairbanks

16h 45m

2 stops

STL9:29 pmLambert-St Louis

$517

Delta

Nov 20

STL12:28 pmLambert-St Louis

15h 09m

2 stops

FAI12:37 amFairbanks

Nov 23

FAI1:42 amFairbanks

19h 14m

2 stops

STL11:56 pmLambert-St Louis

$611

Delta

Nov 26

STL6:13 amLambert-St Louis

14h 43m

1 stop

ANC5:56 pmAnchorage

Dec 8

ANC10:05 pmAnchorage

9h 55m

1 stop

STL11:00 amLambert-St Louis

$633

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisAnchorage

STL Lambert-St Louis - ANC Anchorage

STLANC

Lambert-St Louis

Thu 12/10

6:04 am-11:21 pm

1 stop20h 17m

Anchorage

Thu 12/24

9:44 pm-3:34 pm

2 stops14h 50m

$492

St. LouisFairbanks

STL Lambert-St Louis - FAI Fairbanks

STLFAI

Lambert-St Louis

Fri 12/4

6:04 am-1:02 pm

1 stop9h 58m

Fairbanks

Mon 12/7

7:00 am-11:59 pm

1 stop13h 59m

$506

St. LouisFairbanks

STL Lambert-St Louis - FAI Fairbanks

STLFAI

Lambert-St Louis

Thu 1/21

4:06 pm-3:01 pm

1 stop25h 55m

Fairbanks

Wed 1/27

2:12 am-3:08 pm

1 stop9h 56m

$509

St. LouisFairbanks

STL Lambert-St Louis - FAI Fairbanks

STLFAI

Lambert-St Louis

Fri 2/26

2:12 pm-12:42 am

2 stops13h 30m

Fairbanks

Fri 3/5

1:44 am-9:29 pm

2 stops16h 45m

$517

St. LouisFairbanks

STL Lambert-St Louis - FAI Fairbanks

STLFAI

Lambert-St Louis

Fri 1/15

10:29 am-12:36 am

2 stops17h 07m

Fairbanks

Tue 1/19

1:45 am-9:42 pm

2 stops16h 57m

$517

St. LouisFairbanks

STL Lambert-St Louis - FAI Fairbanks

STLFAI

Lambert-St Louis

Wed 12/9

2:15 pm-12:37 am

2 stops13h 22m

Fairbanks

Mon 12/14

1:42 am-11:26 pm

2 stops18h 44m

$517

St. LouisAnchorage

STL Lambert-St Louis - ANC Anchorage

STLANC

Lambert-St Louis

Sat 4/17

11:45 am-7:40 pm

1 stop10h 55m

Anchorage

Mon 4/26

11:40 pm-12:43 pm

1 stop10h 03m

$623

St. LouisAnchorage

STL Lambert-St Louis - ANC Anchorage

STLANC

Lambert-St Louis

Mon 12/21

8:06 am-7:07 pm

1 stop14h 01m

Anchorage

Fri 12/25

8:15 pm-9:27 am

1 stop10h 12m

$623

St. LouisAnchorage

STL Lambert-St Louis - ANC Anchorage

STLANC

Lambert-St Louis

Fri 4/16

5:20 am-6:50 pm

1 stop16h 30m

Anchorage

Mon 4/19

8:30 pm-7:30 pm

1 stop20h 00m

$623

Quickest round-trip

St. LouisAnchorage

STL Lambert-St Louis - ANC Anchorage

STLANC

Lambert-St Louis

Fri 12/4

2:50 pm-10:59 pm

1 stop11h 09m

Anchorage

Wed 12/9

12:07 am-12:53 pm

1 stop9h 46m

$633

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 January, then you should wait until April to fly from St. Louis, when ticket prices are also cheap, with an average price of $484.

How far in advance should I book a flight from St. Louis 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 $586 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 $474 on momondo.

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

You could potentially save up to 17% 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

Best Price Found	$259
Fastest flight time	8h 30m
Direct flights	None

The best one-way flight to Alaska from St. Louis in the past 72 hours is $259. The best round-trip flight deal from St. Louis to Alaska found on momondo in the last 72 hours is $492.

The fastest flight from St. Louis to Alaska takes 8h 30m

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

Search flight deals

Frequently asked questions about flying from 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 November 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 $365	Free Cancellation	Rating 7.8 8,699 reviews	Search Delta flights
United Airlines	PriceFrom $371	Free Cancellation	Rating 7.3 10,471 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $384	Free Cancellation	Rating 7.9 13,159 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $524	Free Cancellation	Rating 8.0 4,219 reviews	Search Southwest flights
American Airlines	PriceFrom $534	Free Cancellation	Rating 7.0 12,227 reviews	Search American 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.