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 59% 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, American Airlines, and Alaska 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 May 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.

$183 Cheap Flights from St. Louis to Alaska in 2026

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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.

3:50 pm - 12:59 am

STL

ANC

12h 09m

1 stop

12:39 am - 1:34 pm

ANC

STL

9h 55m

1 stop

$365Delta

Wed, Aug 5 - Tue, Aug 11

5:42 pm - 12:59 am

STL

ANC

10h 17m

1 stop

6:00 am - 8:42 pm

ANC

STL

11h 42m

2 stops

$366Delta

Wed, Aug 12 - Thu, Aug 13

11:13 am - 11:24 pm

STL

ANC

15h 11m

2 stops

12:39 am - 6:39 pm

ANC

STL

15h 00m

1 stop

$370Delta

Thu, Aug 6 - Mon, Aug 10

5:33 pm - 1:41 pm

STL

FAI

23h 08m

2 stops

5:00 am - 11:54 pm

FAI

STL

15h 54m

2 stops

$412Alaska Airlines

Wed, May 27 - Wed, Jun 3

5:33 pm - 9:00 pm

STL

FAI

30h 27m

2 stops

5:30 am - 11:54 pm

FAI

STL

15h 24m

1 stop

$446Alaska Airlines

Wed, May 27 - Sat, May 30

5:33 pm - 9:00 pm

STL

FAI

30h 27m

2 stops

5:00 am - 11:54 pm

FAI

STL

15h 54m

2 stops

$449Alaska Airlines

Wed, May 27 - Sat, May 30

5:33 pm - 9:00 pm

STL

FAI

30h 27m

2 stops

5:30 am - 11:54 pm

FAI

STL

15h 24m

1 stop

$491Alaska Airlines

Wed, May 27 - Wed, Jun 3

7:04 am - 4:43 pm

STL

KTN

12h 39m

2 stops

9:20 am - 11:59 pm

KTN

STL

11h 39m

2 stops

$668American Airlines

Fri, Jun 19 - Tue, Jun 23

5:29 am - 3:02 pm

STL

KTN

12h 33m

2 stops

9:20 am - 11:59 pm

KTN

STL

11h 39m

2 stops

$734American Airlines

Thu, Jun 11 - Mon, Jun 15

5:29 am - 3:02 pm

STL

KTN

12h 33m

2 stops

9:20 am - 11:59 pm

KTN

STL

11h 39m

2 stops

$761American Airlines

Thu, Jun 18 - Mon, Jun 22

Delta flights from St. Louis to Alaska

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

Delta

Aug 5

STL3:50 pmLambert-St Louis

12h 09m

1 stop

ANC12:59 amAnchorage

Aug 11

ANC12:39 amAnchorage

9h 55m

1 stop

STL1:34 pmLambert-St Louis

$365

Delta

Aug 12

STL5:42 pmLambert-St Louis

10h 17m

1 stop

ANC12:59 amAnchorage

Aug 13

ANC6:00 amAnchorage

11h 42m

2 stops

STL8:42 pmLambert-St Louis

$366

Delta

Aug 6

STL11:13 amLambert-St Louis

15h 11m

2 stops

ANC11:24 pmAnchorage

Aug 10

ANC12:39 amAnchorage

15h 00m

1 stop

STL6:39 pmLambert-St Louis

$370

United Airlines flights from St. Louis to Alaska

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

United Airlines

Aug 19

STL6:00 amLambert-St Louis

10h 01m

1 stop

ANC1:01 pmAnchorage

Aug 26

ANC11:59 pmAnchorage

9h 14m

1 stop

STL12:13 pmLambert-St Louis

$418

United Airlines

Aug 19

STL6:00 amLambert-St Louis

10h 01m

1 stop

ANC1:01 pmAnchorage

Aug 26

ANC8:35 pmAnchorage

12h 38m

2 stops

STL12:13 pmLambert-St Louis

$476

United Airlines

May 27

STL6:00 amLambert-St Louis

16h 12m

2 stops

ANC7:12 pmAnchorage

May 31

ANC11:59 pmAnchorage

9h 12m

1 stop

STL12:11 pmLambert-St Louis

$509

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Wed 8/5

3:50 pm-12:59 am

1 stop12h 09m

Anchorage

Tue 8/11

12:39 am-1:34 pm

1 stop9h 55m

$365

Quickest round-trip

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Wed 8/12

5:42 pm-12:59 am

1 stop10h 17m

Anchorage

Thu 8/13

6:00 am-8:42 pm

2 stops11h 42m

$366

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Thu 8/6

11:13 am-11:24 pm

2 stops15h 11m

Anchorage

Mon 8/10

12:39 am-6:39 pm

1 stop15h 00m

$370

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Wed 5/27

5:33 pm-1:41 pm

2 stops23h 08m

Fairbanks

Wed 6/3

5:00 am-11:54 pm

2 stops15h 54m

$412

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Wed 5/27

5:33 pm-9:00 pm

2 stops30h 27m

Fairbanks

Sat 5/30

5:30 am-11:54 pm

1 stop15h 24m

$446

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Wed 5/27

5:33 pm-9:00 pm

2 stops30h 27m

Fairbanks

Sat 5/30

5:00 am-11:54 pm

2 stops15h 54m

$449

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Wed 5/27

5:33 pm-9:00 pm

2 stops30h 27m

Fairbanks

Wed 6/3

5:30 am-11:54 pm

1 stop15h 24m

$491

St. LouisKetchikan

STL - KTN

STLKTN

Lambert-St Louis

Fri 6/19

7:04 am-4:43 pm

2 stops12h 39m

Ketchikan

Tue 6/23

9:20 am-11:59 pm

2 stops11h 39m

$668

St. LouisKetchikan

STL - KTN

STLKTN

Lambert-St Louis

Thu 6/11

5:29 am-3:02 pm

2 stops12h 33m

Ketchikan

Mon 6/15

9:20 am-11:59 pm

2 stops11h 39m

$734

St. LouisKetchikan

STL - KTN

STLKTN

Lambert-St Louis

Thu 6/18

5:29 am-3:02 pm

2 stops12h 33m

Ketchikan

Mon 6/22

9:20 am-11:59 pm

2 stops11h 39m

$761

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 September, then you should wait until January to fly from St. Louis, when ticket prices are also cheap, with an average price of $259.

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 $551 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 38% 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 00m
Direct flights	None

The fastest flight from St. Louis to Alaska takes 9h 00m

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 May 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 $348	Free Cancellation	Rating 7.9 8,454 reviews	Search Delta flights
United Airlines	PriceFrom $364	Free Cancellation	Rating 7.4 9,694 reviews	Search United Airlines flights
American Airlines	PriceFrom $368	Free Cancellation	Rating 7.1 11,668 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $384	Free Cancellation	Rating 7.9 12,349 reviews	Search Alaska 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.