Alaska

$236+ Cheap flights from St. Louis (STL) to Alaska

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ANC
ינו' 12 — ינו' 191
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Cheap flight deals from St. Louis to Alaska

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Alaska (USAK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated ינואר 7, 2025.

Round-trip from

$464
(Alaska Airlines)

One-way from

$236
(Alaska Airlines)
From Lambert-St Louis to Alaska
One-way flight from Lambert-St Louis to Alaska

Find flight deals from St. Louis to Alaska

Cheapest flights from St. Louis to Alaska
Explore the most affordable flight options available from St. Louis to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on ינואר 7, 2025.

This Alaska Airlines deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
א' 4/66:44 amSTL - ANC
1 stop19h 54mAlaska Airlines
ב' 4/76:00 amANC - STL
1 stop14h 59mAlaska Airlines
Deal found 1/6$464
This Delta deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ו' 1/316:00 amSTL - ANC
2 stops11h 58mDelta
ב' 2/39:35 pmANC - STL
1 stop10h 19mDelta
Deal found 1/6$465
This Alaska Airlines deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
א' 8/177:30 pmSTL - FAI
1 stop9h 20mAlaska Airlines
ש' 8/231:40 amFAI - STL
1 stop9h 12mAlaska Airlines
Deal found 1/6$471
This United Airlines deal was found by Cheapflights users on 1/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ב' 2/39:44 amSTL - ANC
2 stops16h 13mUnited Airlines
א' 2/911:59 pmANC - STL
1 stop9h 49mUnited Airlines
Deal found 1/5$475
This Delta deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ג' 4/292:15 pmSTL - FAI
2 stops12h 50mDelta
ב' 5/51:30 amFAI - STL
2 stops13h 29mDelta
Deal found 1/6$482
This American Airlines deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ו' 4/187:04 amSTL - ANC
1 stop15h 16mAmerican Airlines
ו' 4/181:31 amANC - STL
1 stop9h 44mAmerican Airlines
Deal found 1/6$514
This American Airlines deal was found by Cheapflights users on 1/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
א' 8/174:19 pmSTL - FAI
2 stops11h 31mAmerican Airlines
ש' 8/232:10 amFAI - STL
2 stops10h 58mAmerican Airlines
Deal found 1/5$582
This Alaska Airlines deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ו' 6/207:30 pmSTL - JNU
2 stops28h 53mAlaska Airlines
ה' 6/267:10 amJNU - STL
2 stops13h 46mAlaska Airlines
Deal found 1/6$623
This United Airlines deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
א' 8/175:18 pmSTL - FAI
3 stops29h 21mUnited Airlines
א' 8/2411:44 pmFAI - STL
2 stops12h 37mUnited Airlines
Deal found 1/6$796

Find flights from St. Louis to Alaska within your budget

Customize your flight search to find flights from St. Louis to Alaska that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated ינואר 7, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

א' 4/6

6:44 am-11:38 pm

1 stop19h 54m

Anchorage

ב' 4/7

6:00 am-11:59 pm

1 stop14h 59m

$464

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

ו' 1/31

6:43 am-7:35 pm

2 stops15h 52m

Anchorage

ו' 2/7

9:35 pm-10:54 am

1 stop10h 19m

$465

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

ב' 1/27

2:49 pm-2:16 am

1 stop14h 27m

Fairbanks

ב' 2/3

3:56 pm-1:53 pm

1 stop18h 57m

$471

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

ב' 2/3

9:44 am-10:57 pm

2 stops16h 13m

Anchorage

א' 2/9

11:59 pm-12:48 pm

1 stop9h 49m

$475

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

ה' 2/20

6:59 pm-12:34 am

2 stops32h 35m

Fairbanks

ש' 2/22

1:39 am-4:53 pm

2 stops12h 14m

$518

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

ב' 2/3

5:03 am-4:49 pm

2 stops14h 46m

Anchorage

ש' 2/8

1:59 am-4:23 pm

2 stops11h 24m

$582

St. LouisJuneau

STL - JNU

STLJNU

Lambert-St Louis

ו' 6/20

7:30 pm-9:23 pm

2 stops28h 53m

Juneau Intl

ה' 6/26

7:10 am-11:56 pm

2 stops13h 46m

$623

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

ה' 1/23

5:03 am-6:59 pm

2 stops16h 56m

Fairbanks

א' 1/26

1:42 am-7:30 pm

2 stops14h 48m

$678

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

ב' 2/10

2:49 pm-12:46 am

1 stop12h 57m

$236

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

ב' 1/27

2:49 pm-10:58 pm

1 stop11h 09m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 13 results
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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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from St. Louis to Alaska

Get recent, data-driven insights about flights from St. Louis to Alaska including ideal travel times, pricing trends, and more.

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 $456). Flying from St. Louis to Alaska in July is currently the most expensive (average of $691). 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.

What is the cheapest time of day to fly from STL to AK?

Find hourly flight availability from St. Louis to Alaska. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated ינואר 7, 2025.

When flying from St. Louis to Alaska, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Alaska by month

Plan your trip to Alaska by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Alaska ranges from 0.5 - 3.3 inches per month. August is typically the wettest month, when rainfall can reach 3.3 in. April is typically the driest time to visit Alaska when rainfall is around 0.5 in.

Temperature in Alaska by month

Plan your trip to Alaska by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Alaska, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 59.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.6 F).

Reviews of airlines servicing Alaska

Get insights into the airlines that provide service to Alaska. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Alaska. Reviews last updated ינואר 7, 2025.
See what other customers who have flown with Alaska Airlines, Delta and American Airlines from St. Louis to Alaska have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
9,619 reviews

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Reviews

1 / 10

One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.

8.0
Very good
9,619 reviews
8.0
Very good
9,619 reviews

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Reviews

1 / 10

One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.

8.0
Very good
8,503 reviews
8.0
Very good
9,619 reviews

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Reviews

1 / 10

One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.

7.4
Good
8,936 reviews
8.0
Very good
9,619 reviews

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Reviews

1 / 10

One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.

7.2
Good
10,000 reviews
8.0
Very good
9,619 reviews

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Entertainment

7.1

Overall

8.0

Reviews

1 / 10

One or two midday non-stop flights from PDX to Santa Rosa would be great. The very early and late options are hard on older passengers.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Alaska. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • 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.

  • 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 Alaska Airlines ($236), Delta ($241), and United Airlines ($281).

  • 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 $456). Flying from St. Louis to Alaska in July is currently the most expensive (average of $691). 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

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Alternative routes for St. Louis to Alaska

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from St. Louis to Alaska

Discover the top 5 airlines that operate flights from St. Louis to Alaska. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated ינואר 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$288Average$460FlexibilityNo cancel feeOn-time83%
DeltaCheapest$452Average$613FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$458Average$686FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$459Average$708FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$468Average$754FlexibilityNo cancel feeOn-time71%
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