HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Alaska

$233+ 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ANC
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Alaska with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$496
(Delta)

One-way from

$233
(Delta)

Popular in

February

Cheapest in

November

Average price

$558
Provider with most accurate pricing for Lambert-St Louis-Anchorage flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Anchorage flights.
Search Deals
From Lambert-St Louis to Alaska
Search Deals
One-way flight from Lambert-St Louis to Alaska
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 29, 2025.

This Delta deal was found by Cheapflights users on 4/27. 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 9/217:30 amSTL - JNU
2 stops13h 55mDelta
Sat 9/277:05 amJNU - STL
2 stops10h 30mDelta
Deal found 4/27$496
This Delta deal was found by Cheapflights users on 4/28. 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.
Wed 8/273:30 pmSTL - ANC
1 stop9h 12mDelta
Tue 9/29:55 pmANC - STL
1 stop10h 37mDelta
Deal found 4/28$520
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 8/296:30 pmSTL - FAI
1 stop9h 18mAlaska Airlines
Sun 8/3112:18 amFAI - STL
1 stop11h 21mAlaska Airlines
Deal found 4/28$521
This Delta deal was found by Cheapflights users on 4/28. 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 8/2911:51 amSTL - FAI
2 stops15h 04mDelta
Sun 8/3112:27 amFAI - STL
2 stops13h 18mDelta
Deal found 4/28$532
This American Airlines deal was found by Cheapflights users on 4/29. 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 6/103:03 pmSTL - ANC
1 stop10h 31mAmerican Airlines
Mon 6/169:50 pmANC - STL
1 stop12h 01mAmerican Airlines
Deal found 4/29$570
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 9/2612:07 pmSTL - ANC
2 stops12h 40mAlaska Airlines
Sun 9/2811:25 pmANC - STL
1 stop29h 31mAlaska Airlines
Deal found 4/29$625
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 11/202:55 pmSTL - FAI
1 stop13h 55mAmerican Airlines
Sun 11/232:30 amFAI - STL
2 stops12h 47mAmerican Airlines
Deal found 4/28$626
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 5/316:10 amSTL - ANC
1 stop19h 42mUnited Airlines
Sat 6/711:59 pmANC - STL
1 stop9h 21mUnited Airlines
Deal found 4/29$657
This Mytrip deal was found by Cheapflights users on 4/28. 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 6/126:12 pmSTL - ANC
2 stops21h 04mMultiple Airlines
Sat 6/288:55 pmANC - STL
2 stops17h 09mMultiple Airlines
Deal found 4/28$682
This Hawaiian Airlines deal was found by Cheapflights users on 4/27. 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.
Wed 9/246:00 amSTL - JNU
1 stop10h 14mHawaiian Airlines
Sat 9/2712:29 pmJNU - STL
1 stop8h 30mHawaiian Airlines
Deal found 4/27$717
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 9/214:17 pmSTL - JNU
2 stops19h 17mAlaska Airlines
Sat 9/275:00 amJNU - STL
1 stop15h 59mAlaska Airlines
Deal found 4/27$722
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 6/137:32 pmSTL - KTN
2 stops15h 43mAlaska Airlines
Wed 6/184:35 pmKTN - STL
2 stops21h 04mAlaska Airlines
Deal found 4/28$741

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 29, 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. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Wed 5/28

2:29 pm-11:25 pm

2 stops11h 56m

Anchorage

Tue 6/10

6:00 am-8:40 pm

2 stops11h 40m

$506

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Sun 6/22

6:12 pm-12:28 pm

2 stops21h 16m

Anchorage

Thu 6/26

8:55 pm-11:36 am

1 stop11h 41m

$556

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Tue 6/10

3:03 pm-10:34 pm

1 stop10h 31m

Anchorage

Mon 6/16

9:50 pm-12:51 pm

1 stop12h 01m

$570

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Fri 6/13

2:15 pm-12:49 am

2 stops13h 34m

Fairbanks

Sun 6/22

10:05 pm-8:39 am

1 stop7h 34m

$574

St. LouisJuneau

STL - JNU

STLJNU

Lambert-St Louis

Tue 6/24

7:15 am-6:07 pm

2 stops13h 52m

Juneau Intl

Tue 7/8

7:05 am-11:53 pm

2 stops13h 48m

$574

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Thu 6/5

3:03 pm-9:36 pm

1 stop9h 33m

Anchorage

Wed 6/11

7:10 am-12:04 am

1 stop13h 54m

$580

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Mon 6/30

12:28 pm-10:36 pm

2 stops13h 08m

Fairbanks

Mon 7/7

5:52 am-8:31 pm

2 stops11h 39m

$632

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Sun 5/25

6:22 pm-11:20 am

2 stops19h 58m

Fairbanks

Sat 5/31

12:10 pm-12:04 am

1 stop8h 54m

$643

St. LouisAnchorage

STL - ANC

STLANC

Lambert-St Louis

Wed 6/25

6:00 am-10:52 pm

1 stop19h 52m

Anchorage

Wed 7/9

11:59 pm-12:27 pm

1 stop9h 28m

$657

St. LouisJuneau

STL - JNU

STLJNU

Lambert-St Louis

Thu 6/19

7:32 pm-12:25 am

1 stop7h 53m

Juneau Intl

Tue 6/24

6:55 pm-4:39 pm

2 stops18h 44m

$734

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 21 results
1
2
3

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 $651). 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 29, 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 29, 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
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,936 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,402 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 ($233), American Airlines ($261), and Alaska Airlines ($317).

  • 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 $651). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Alaska

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Seattle flights
Kansas City to Seattle flights
St. Louis to Las Vegas flights
Kansas City to Denver flights
Kansas City to Las Vegas flights
St. Louis to Denver flights
Kansas City to Newark flights
Kansas City to O'Hare Intl flights
St. Louis to Newark flights
St. Louis to Orlando flights
Kansas City to John F Kennedy Intl flights
St. Louis to Miami flights
St. Louis to LaGuardia flights
St. Louis to Dallas/Fort Worth flights
Kansas City to Miami flights
St. Louis to John F Kennedy Intl flights
Kansas City to Orlando flights
Kansas City to LaGuardia flights
Kansas City to San Francisco flights
St. Louis to Los Angeles flights
Kansas City to Portland flights
Kansas City to Boston flights
St. Louis to Boston flights
Kansas City to Hobby flights
St. Louis to Dulles Intl flights
Kansas City to Dallas/Fort Worth flights
St. Louis to O'Hare Intl flights
Kansas City to George Bush Intcntl flights
St. Louis to Hobby flights
Kansas City to Sky Harbor Intl flights
Kansas City to Atlanta flights
Kansas City to Los Angeles flights
St. Louis to Sky Harbor Intl flights
Kansas City to Tampa flights
Kansas City to Fort Lauderdale flights
St. Louis to George Bush Intcntl flights
St. Louis to Minneapolis flights
St. Louis to San Francisco flights
St. Louis to Salt Lake City flights
St. Louis to Baltimore flights
Kansas City to Midway flights
St. Louis to Philadelphia flights
St. Louis to Portland flights
St. Louis to Tampa flights
St. Louis to San Diego flights
Kansas City to Dulles Intl flights
Kansas City to San Diego flights
Kansas City to Minneapolis flights
Kansas City to Philadelphia flights
St. Louis to Honolulu flights

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 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$288Average$460FlexibilityNo cancel feeOn-time83%
DeltaCheapest$456Average$594FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$459Average$706FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$468Average$850FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$478Average$723FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.