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Alaska

$261+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ANC
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$493
(Delta)

One-way from

$261
(Delta)

Popular in

February

Cheapest in

November

Average price

$558
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 ($1 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 17, 2025.

This Delta deal was found by Cheapflights users on 4/16. 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 8/108:55 amSTL - JNU
2 stops12h 10mDelta
Fri 8/227:05 amJNU - STL
2 stops12h 56mDelta
Deal found 4/16$493
This Delta deal was found by Cheapflights users on 4/17. 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.
Mon 6/95:38 pmSTL - ANC
1 stop10h 29mDelta
Tue 6/172:20 pmANC - STL
2 stops15h 19mDelta
Deal found 4/17$514
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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 9/246:30 amSTL - ANC
2 stops14h 08mAlaska Airlines
Sun 9/281:59 amANC - STL
1 stop9h 18mAlaska Airlines
Deal found 4/17$525
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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.
Sun 8/107:32 pmSTL - JNU
1 stop15h 57mAlaska Airlines
Fri 8/227:00 amJNU - STL
1 stop13h 59mAlaska Airlines
Deal found 4/16$560
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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.
Fri 5/163:03 pmSTL - FAI
2 stops20h 57mAlaska Airlines
Fri 5/233:50 pmFAI - STL
1 stop19h 17mAlaska Airlines
Deal found 4/16$572
This Delta deal was found by Cheapflights users on 4/16. 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.
Mon 5/52:23 pmSTL - FAI
2 stops12h 43mDelta
Sat 5/101:45 amFAI - STL
2 stops30h 02mDelta
Deal found 4/16$594
This American Airlines deal was found by Cheapflights users on 4/17. 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 7/58:43 amSTL - ANC
1 stop15h 00mAmerican Airlines
Tue 7/159:48 pmANC - STL
1 stop12h 00mAmerican Airlines
Deal found 4/17$600
This Mytrip deal was found by Cheapflights users on 4/17. 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.
Thu 7/36:12 pmSTL - ANC
2 stops21h 16mMultiple Airlines
Sat 7/121:26 pmANC - STL
1 stop27h 05mMultiple Airlines
Deal found 4/17$616
This American Airlines deal was found by Cheapflights users on 4/16. 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 5/46:30 amSTL - FAI
1 stop22h 20mAmerican Airlines
Sun 5/111:30 amFAI - STL
1 stop19h 29mAmerican Airlines
Deal found 4/16$701
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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.
Sun 8/107:32 pmSTL - KTN
3 stops19h 26mAlaska Airlines
Thu 8/148:29 pmKTN - STL
2 stops24h 30mAlaska Airlines
Deal found 4/16$716
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Tue 7/157:32 pmSTL - JNU
1 stop7h 53mAmerican Airlines
Wed 7/237:08 amJNU - STL
2 stops10h 40mAmerican Airlines
Deal found 4/16$746
This Hawaiian Airlines deal was found by Cheapflights users on 4/16. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/157:32 pmSTL - JNU
1 stop7h 53mHawaiian Airlines
Tue 7/221:55 amJNU - STL
1 stop9h 31mHawaiian Airlines
Deal found 4/16$771

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 April 17, 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

Sun 7/13

6:45 am-6:05 pm

2 stops14h 20m

Juneau Intl

Tue 7/22

7:05 am-8:30 pm

2 stops10h 25m

$493

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Mon 6/9

5:38 pm-1:07 am

1 stop10h 29m

Anchorage

Tue 6/17

2:20 pm-8:39 am

2 stops15h 19m

$514

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Thu 5/15

3:03 pm-9:36 pm

1 stop9h 33m

Anchorage

Fri 5/23

1:30 am-2:07 pm

1 stop9h 37m

$565

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Fri 5/16

3:03 pm-9:00 am

2 stops20h 57m

Fairbanks

Fri 5/23

3:50 pm-2:07 pm

1 stop19h 17m

$572

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Mon 5/5

2:23 pm-12:06 am

2 stops12h 43m

Fairbanks

Sat 5/10

1:45 am-10:47 am

2 stops30h 02m

$594

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Sat 7/5

8:43 am-8:43 pm

1 stop15h 00m

Anchorage

Tue 7/15

9:48 pm-12:48 pm

1 stop12h 00m

$600

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Thu 7/3

6:12 pm-12:28 pm

2 stops21h 16m

Anchorage

Sat 7/12

1:26 pm-7:31 pm

1 stop27h 05m

$616

St. LouisJuneau

STL - JNU

STLJNU

Lambert-St Louis

Mon 5/19

3:03 pm-12:11 am

1 stop12h 08m

Juneau Intl

Tue 5/27

6:41 pm-2:07 pm

1 stop16h 26m

$625

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Sun 5/4

6:30 am-1:50 am

1 stop22h 20m

Fairbanks

Sun 5/11

1:30 am-11:59 pm

1 stop19h 29m

$701

St. LouisJuneau

STL - JNU

STLJNU

Lambert-St Louis

Tue 7/15

7:32 pm-12:25 am

1 stop7h 53m

Juneau Intl

Wed 7/23

7:08 am-8:48 pm

2 stops10h 40m

$746

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 19 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.

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 $663). 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 April 17, 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 April 17, 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
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,382 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 Delta ($261), Alaska Airlines ($306), and United Airlines ($437).

  • 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 $663). 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$288Average$460FlexibilityNo cancel feeOn-time83%
DeltaCheapest$457Average$598FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$459Average$708FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$468Average$850FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$478Average$713FlexibilityNo cancel feeOn-time69%

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