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Alaska

$251+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ANC
Apr 1 — Apr 81
Tue 4/1
Tue 4/8
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 March 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$501
(Delta)

One-way from

$251
(Alaska Airlines)

Popular in

February

Cheapest in

November

Average price

$595
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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High demand for flights, 0% potential price rise
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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 March 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 March 27, 2025.

This deal was found by Cheapflights users on 3/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/262:18 pmSTL - ANC
1 stop9h 59mDelta
Sun 8/319:55 pmANC - STL
1 stop7h 37mDelta
Deal found 3/26$500
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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 10/162:55 pmSTL - FAI
1 stop13h 55mAlaska Airlines
Tue 10/211:40 amFAI - STL
1 stop9h 12mAlaska Airlines
Deal found 3/25$501
This Delta deal was found by Cheapflights users on 3/25. 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 6/196:40 amSTL - JNU
2 stops14h 27mDelta
Tue 6/247:05 amJNU - STL
2 stops10h 32mDelta
Deal found 3/25$501
This Delta deal was found by Cheapflights users on 3/24. 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.
Tue 8/121:30 pmSTL - FAI
2 stops13h 33mDelta
Thu 8/2112:27 amFAI - STL
1 stop9h 57mDelta
Deal found 3/24$506
This American Airlines deal was found by Cheapflights users on 3/26. 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.
Sat 6/148:43 amSTL - ANC
1 stop14h 57mAmerican Airlines
Tue 6/179:50 pmANC - STL
1 stop12h 00mAmerican Airlines
Deal found 3/26$561
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Mon 6/167:32 pmSTL - FAI
1 stop10h 04mAmerican Airlines
Mon 7/75:52 amFAI - STL
2 stops11h 56mAmerican Airlines
Deal found 3/25$607
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Fri 6/207:10 pmSTL - ANC
1 stop30h 42mUnited Airlines
Sat 6/282:00 pmANC - STL
2 stops17h 40mUnited Airlines
Deal found 3/26$650
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 4/106:44 amSTL - ANC
1 stop9h 25mAlaska Airlines
Mon 4/144:30 pmANC - STL
1 stop18h 45mAlaska Airlines
Deal found 3/26$670
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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 6/197:32 pmSTL - JNU
2 stops28h 58mAlaska Airlines
Tue 6/246:55 pmJNU - STL
1 stop26h 04mAlaska Airlines
Deal found 3/25$689
This American Airlines deal was found by Cheapflights users on 3/25. 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 6/159:23 amSTL - KTN
2 stops10h 17mAmerican Airlines
Sat 6/219:00 amKTN - STL
2 stops12h 15mAmerican Airlines
Deal found 3/25$741
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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.
Sat 8/27:32 pmSTL - KTN
1 stop27h 12mAlaska Airlines
Thu 8/74:35 pmKTN - STL
2 stops21h 43mAlaska Airlines
Deal found 3/25$758
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Wed 4/99:41 amSTL - JNU
2 stops15h 15mAmerican Airlines
Sun 4/137:00 amJNU - STL
2 stops12h 28mAmerican Airlines
Deal found 3/24$782

Cheapflights Fare Finder

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 March 27, 2025.
Use the filters below to find and compare flights from St. Louis to Alaska that are best for you.

Fly from

St. Louis

Fly to

Alaska

Route

Depart

Return

Price

St. LouisJuneau

STL - JNU

STLJNU

Lambert-St Louis

Thu 6/19

6:40 am-6:07 pm

2 stops14h 27m

Juneau Intl

Tue 6/24

7:05 am-8:37 pm

2 stops10h 32m

$501

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Fri 6/6

2:29 pm-11:07 pm

2 stops11h 38m

Anchorage

Mon 6/16

10:30 pm-1:23 pm

1 stop11h 53m

$502

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Mon 6/16

2:23 pm-12:02 am

2 stops12h 39m

Fairbanks

Mon 7/7

10:05 pm-8:32 am

1 stop7h 27m

$529

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Sat 6/14

8:43 am-8:40 pm

1 stop14h 57m

Anchorage

Tue 6/17

9:50 pm-12:50 pm

1 stop12h 00m

$561

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Wed 5/7

6:30 am-6:37 am

2 stops27h 07m

Fairbanks

Mon 5/12

12:11 pm-11:59 pm

1 stop8h 48m

$570

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Mon 6/16

7:32 pm-2:36 am

1 stop10h 04m

Fairbanks

Mon 7/7

5:52 am-8:48 pm

2 stops11h 56m

$607

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Fri 6/20

7:10 pm-10:52 pm

1 stop30h 42m

Anchorage

Sat 6/28

2:00 pm-10:40 am

2 stops17h 40m

$650

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Thu 4/10

6:44 am-1:09 pm

1 stop9h 25m

Anchorage

Mon 4/14

4:30 pm-2:15 pm

1 stop18h 45m

$670

St. LouisJuneau

STL - JNU

STLJNU

Lambert-St Louis

Thu 6/19

7:32 pm-9:30 pm

2 stops28h 58m

Juneau Intl

Tue 6/24

6:55 pm-11:59 pm

1 stop26h 04m

$689

St. LouisKetchikan

STL - KTN

STLKTN

Lambert-St Louis

Sun 6/15

9:23 am-4:40 pm

2 stops10h 17m

Ketchikan

Sat 6/21

9:00 am-12:15 am

2 stops12h 15m

$741

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 21 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.

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 $456). Flying from St. Louis to Alaska in July is currently the most expensive (average of $669). 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 March 27, 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 March 27, 2025.
See what other customers who have flown with Alaska Airlines, Delta and United 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
9,792 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

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
9,792 reviews
Alaska Airlines
8.0
Very good
9,792 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

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
7,895 reviews
Alaska Airlines
8.0
Very good
9,792 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

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
8,603 reviews
Alaska Airlines
8.0
Very good
9,792 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

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
9,792 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

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 ($251), Delta ($257), and American Airlines ($282).

  • 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 $669). 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 March 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$288Average$460FlexibilityNo cancel feeOn-time83%
DeltaCheapest$458Average$592FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$459Average$709FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$468Average$860FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$478Average$708FlexibilityNo cancel feeOn-time69%
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