Alaska

$317+ Cheap flights from St. Louis (STL) to Alaska

STL — ANC
Dec 6 — Dec 131
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Cheap flight deals from St. Louis to Alaska

Cheapest flights from St. Louis to Alaska

Wed 12/96:04 am -
1 stop18h 51m
Thu 12/2412:12 am -
1 stop12h 22m
Deal found 11/1$496
Thu 12/244:32 pm -
1 stop12h 16m
Tue 1/53:59 pm -
1 stop20h 09m
Deal found 11/1$499
Thu 12/244:32 pm -
1 stop12h 16m
Thu 1/711:29 am -
2 stops24h 39m
Deal found 11/1$500
Sun 12/206:00 am -
1 stop22h 48m
Wed 1/62:07 pm -
1 stop22h 01m
Deal found 11/1$502
Sun 12/206:00 am -
1 stop21h 51m
Tue 1/511:29 am -
2 stops24h 39m
Deal found 11/1$503
Wed 12/96:04 am -
2 stops30h 18m
Thu 12/315:10 am -
2 stops31h 24m
Deal found 11/1$505
Fri 12/46:04 am -
1 stop9h 58m
Mon 12/77:00 am -
1 stop13h 59m
Deal found 11/5$506
Mon 12/2111:15 am -
2 stops16h 20m
Tue 1/51:45 am -
2 stops17h 51m
Deal found 11/1$507
Wed 12/235:16 pm -
2 stops34h 19m
Fri 1/81:45 am -
2 stops16h 57m
Deal found 11/1$508
Tue 12/223:25 pm -
2 stops36h 10m
Thu 1/71:45 am -
2 stops18h 03m
Deal found 11/1$510
Fri 12/112:15 pm -
2 stops37h 22m
Fri 12/251:55 am -
2 stops42h 33m
Deal found 11/1$513
Tue 11/176:00 am -
2 stops16h 58m
Fri 11/202:52 am -
1 stop18h 07m
Deal found 11/3$553

Find flight deals from St. Louis to Alaska

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$496
(Alaska Airlines)

One-way from

$317
(United Airlines)

Popular in

November

Cheapest in

February

Average price

$792
Provider with most accurate pricing for Lambert-St Louis-Anchorage flight deals.
Provider most trusted by Cheapflights users for Lambert-St Louis-Anchorage flights.
From Lambert-St Louis to Alaska
One-way flight from Lambert-St Louis to Alaska
Highest demand for flights based on searches. 14% potential increase in price ($105 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Alaska that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisAnchorage

STL Lambert-St Louis - ANC Anchorage

STLANC

Lambert-St Louis

Wed 12/2

2:50 pm-10:59 pm

1 stop11h 09m

Anchorage

Wed 12/31

12:00 am-4:00 am

Nonstop0h 00m

$317

St. LouisAnchorage

STL Lambert-St Louis - ANC Anchorage

STLANC

Lambert-St Louis

Mon 11/23

1:45 pm-10:56 pm

1 stop12h 11m

Anchorage

Wed 12/31

12:00 am-4:00 am

Nonstop0h 00m

$317

St. LouisAnchorage

STL Lambert-St Louis - ANC Anchorage

STLANC

Lambert-St Louis

Tue 12/1

2:15 pm-1:45 am

2 stops14h 30m

Anchorage

Wed 12/31

12:00 am-4:00 am

Nonstop0h 00m

$323

St. LouisAnchorage

STL Lambert-St Louis - ANC Anchorage

STLANC

Lambert-St Louis

Wed 12/2

10:06 am-8:53 pm

2 stops13h 47m

Anchorage

Wed 12/31

12:00 am-4:00 am

Nonstop0h 00m

$323

St. LouisJuneau

STL Lambert-St Louis - JNU Juneau Intl

STLJNU

Lambert-St Louis

Mon 1/4

4:32 pm-1:04 pm

2 stops23h 32m

Juneau Intl

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$333

St. LouisAnchorage

STL Lambert-St Louis - ANC Anchorage

STLANC

Lambert-St Louis

Mon 11/23

7:08 am-11:24 pm

2 stops19h 16m

Anchorage

Wed 12/31

12:00 am-4:00 am

Nonstop0h 00m

$333
Quickest round-trip

St. LouisJuneau

STL Lambert-St Louis - JNU Juneau Intl

STLJNU

Lambert-St Louis

Tue 1/5

4:06 pm-9:36 pm

1 stop8h 30m

Juneau Intl

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$445

St. LouisJuneau

STL Lambert-St Louis - JNU Juneau Intl

STLJNU

Lambert-St Louis

Wed 1/6

4:06 pm-9:36 pm

1 stop8h 30m

Juneau Intl

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$445

St. LouisFairbanks

STL Lambert-St Louis - FAI Fairbanks

STLFAI

Lambert-St Louis

Fri 1/1

11:15 am-12:35 am

2 stops16h 20m

Fairbanks

Wed 12/31

12:00 am-4:00 am

Nonstop0h 00m

$453

St. LouisJuneau

STL Lambert-St Louis - JNU Juneau Intl

STLJNU

Lambert-St Louis

Wed 1/6

4:06 pm-9:30 pm

2 stops32h 24m

Juneau Intl

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 38 resultsSorted by cheapest first
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Best time to book a flight from St. Louis to Alaska

Have a flexible travel schedule? Discover the best time to fly to Alaska from St. Louis with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Alaska

What is the cheapest month to book a flight from St. Louis to Alaska?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Alaska (average of $385). Flying from St. Louis to Alaska in November is currently the most expensive (average of $792). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How far ahead should I book a flight from St. Louis to Alaska?

The price you pay for your flight from St. Louis to Alaska may vary depending on when you book. For the best chance of a lower fare, look to book 70 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Alaska

Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from St. Louis to Alaska by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Crew

8.6

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Related info for your journey

  • What airport do you fly from for flights from St. Louis to Alaska?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Alaska. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

  • How long is the flight from St. Louis to Alaska?

    A quick flight from St. Louis to Alaska can take about 9h 17m. Delta provides one of the quickest options available for as low as $613. There are 2927 mi between St. Louis and Alaska. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from St. Louis to Alaska one-way?

    The cheapest airlines for a one-way flight from St. Louis to Alaska are United Airlines ($201), Delta ($203), and Alaska Airlines ($248).

  • What are the most popular routes from St. Louis to Alaska?

  • Can I find deals for flights from St. Louis to Alaska that include hotel bookings?

    Yes. In addition to deals on St. Louis to Alaska flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Alaska?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Alaska.

  • Can I find deals for business class flights from St. Louis to Alaska?

    Yes. Cheapflights offers flight deals from St. Louis to Alaska by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Alaska?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Alaska (average of $385). Flying from St. Louis to Alaska in November is currently the most expensive (average of $792). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for St. Louis to Alaska

Top 5 airlines flying from St. Louis to Alaska

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$365Average$535FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$371Average$683FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$384Average$651FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$524Average$703FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$534Average$618FlexibilityNo cancel feeOn-time71%

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