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$245+ 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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ANC
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from St. Louis to Alaska

Keep the following information in mind while searching for St. Louis to Alaska flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$556
(Alaska Airlines)

One-way from

$245
(Alaska Airlines)

Popular in

February

Cheapest in

November

Average price

$775
Provider with most accurate pricing for Lambert-St Louis-Anchorage flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Anchorage flights.
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From Lambert-St Louis to Alaska
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One-way flight from Lambert-St Louis to Alaska
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Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 February 20, 2025.

This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 9/242:55 pmSTL - ANC
1 stop11h 29mAlaska Airlines
Sun 9/281:50 amANC - STL
1 stop9h 02mAlaska Airlines
Deal found 2/19$500
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 8/212:55 pmSTL - FAI
1 stop11h 00mAlaska Airlines
Tue 8/261:40 amFAI - STL
1 stop13h 57mAlaska Airlines
Deal found 2/19$501
This Delta deal was found by Cheapflights users on 2/20. 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.
Fri 9/195:30 pmSTL - ANC
1 stop10h 10mDelta
Tue 9/2312:40 amANC - STL
2 stops14h 23mDelta
Deal found 2/20$506
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Mon 7/78:10 amSTL - FAI
2 stops14h 29mUnited Airlines
Fri 7/1811:44 pmFAI - STL
1 stop10h 08mUnited Airlines
Deal found 2/20$506
This Delta deal was found by Cheapflights users on 2/20. 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.
Sun 8/177:30 amSTL - JNU
2 stops13h 35mDelta
Wed 8/207:05 amJNU - STL
2 stops10h 25mDelta
Deal found 2/20$536
This Delta deal was found by Cheapflights users on 2/19. 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.
Thu 8/2111:51 amSTL - FAI
2 stops15h 04mDelta
Tue 8/261:30 amFAI - STL
2 stops13h 33mDelta
Deal found 2/19$543
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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.
Wed 3/196:44 amSTL - JNU
1 stop9h 30mAlaska Airlines
Wed 3/266:40 pmJNU - STL
1 stop16h 35mAlaska Airlines
Deal found 2/18$556
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Sun 6/16:09 amSTL - ANC
1 stop19h 43mUnited Airlines
Wed 6/1811:59 pmANC - STL
1 stop9h 21mUnited Airlines
Deal found 2/20$637
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Sun 3/235:10 amSTL - ANC
1 stop17h 12mAmerican Airlines
Sat 3/298:30 pmANC - STL
1 stop17h 11mAmerican Airlines
Deal found 2/20$758
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Fri 5/2310:36 amSTL - FAI
2 stops13h 18mAmerican Airlines
Fri 5/301:44 amFAI - STL
2 stops11h 32mAmerican Airlines
Deal found 2/19$803
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/247:37 pmSTL - ANC
3 stops43h 41mMultiple Airlines
Sat 5/311:20 pmANC - STL
3 stops26h 12mMultiple Airlines
Deal found 2/19$908

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 February 20, 2025.

Fly from

St. Louis

Fly to

Alaska

Route

Depart

Return

Price

St. LouisJuneau

STL - JNU

STLJNU

Lambert-St Louis

Wed 3/19

6:44 am-1:14 pm

1 stop9h 30m

Juneau Intl

Wed 3/26

6:40 pm-2:15 pm

1 stop16h 35m

$556

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Wed 3/5

7:00 am-11:16 pm

1 stop19h 16m

Fairbanks

Wed 3/12

4:00 pm-11:59 pm

1 stop28h 59m

$600

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Sun 3/23

6:44 am-10:21 pm

2 stops18h 37m

Anchorage

Sat 3/29

8:01 pm-2:15 pm

2 stops39h 14m

$673

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Sun 3/23

5:10 am-7:22 pm

1 stop17h 12m

Anchorage

Sat 3/29

8:30 pm-4:41 pm

1 stop17h 11m

$758

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Thu 3/6

2:13 pm-12:34 am

2 stops13h 21m

Fairbanks

Sun 3/9

1:35 am-6:33 pm

2 stops13h 58m

$854

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Sun 5/18

6:59 pm-1:48 am

1 stop9h 49m

Anchorage

Mon 6/2

10:30 pm-1:19 pm

1 stop11h 49m

$931

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Mon 3/17

11:39 am-12:16 am

2 stops15h 37m

Fairbanks

Sat 3/22

6:22 pm-10:38 am

2 stops13h 16m

$1,097

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Sun 5/18

3:03 pm-11:20 pm

1 stop11h 17m

Anchorage

Sun 6/1

12:55 am-2:07 pm

1 stop10h 12m

$2,250

St. LouisJuneau

STL - JNU

STLJNU

Lambert-St Louis

Wed 3/19

6:44 am-1:14 pm

1 stop9h 30m

$245

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Wed 5/21

6:59 pm-10:07 am

2 stops18h 08m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 15 results
1
2

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 $683). 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 February 20, 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 February 20, 2025.
See what other customers who have flown with Alaska Airlines, Delta and Hawaiian 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.
Alaska Airlines
8.0
Very good
9,697 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,697 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,219 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Hawaiian Airlines
7.9
Good
2,317 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,765 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,697 reviews

Entertainment

7.1

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 ($245), Delta ($297), and American Airlines ($432).

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

    The most popular route from St. Louis to Alaska is Lambert-St Louis - Anchorage. You may also consider Lambert-St Louis - Fairbanks or Lambert-St Louis - Juneau Intl.

  • 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 $683). 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

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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.
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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$288Average$460FlexibilityNo cancel feeOn-time83%
Alaska AirlinesCheapest$459Average$702FlexibilityNo cancel feeOn-time75%
DeltaCheapest$464Average$609FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$468Average$841FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$478Average$692FlexibilityNo cancel feeOn-time69%
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