What are the cheapest airlines to fly from Alaska to St. Louis one-way?

To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $249. Delta flights start at $252 while deals on American Airlines start at $503 one-way.

What are the most popular airlines that fly from Alaska to St. Louis?

When booking a flight from Alaska to St. Louis, you may want to consider flying on American Airlines, Alaska Airlines or Delta as they are the most popular for this route.

What is the cheapest month to fly from Alaska to St. Louis?

Due to multiple factors, expect to potentially pay more when booking in September. For low rates, January can be a great choice for travel to St. Louis. Flights to St. Louis from Alaska in January are about $676 on average during January, but can be found for as low as $468.

What airport do you fly into for flights to St. Louis from Alaska?

Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Alaska. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

Can I find deals for flights from Alaska to St. Louis that include hotel bookings?

Yes. In addition to deals on Alaska to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Alaska to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Alaska to St. Louis.

Can I find deals for business class flights from Alaska to St. Louis?

Yes. Cheapflights offers flight deals from Alaska to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$249+ Flights from Alaska to St. Louis

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Cheap flight deals from Alaska to St. Louis

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$505 (Delta)
One-way from	$249 (Alaska Airlines)
Popular in	September
Cheapest in	January
Average price	$700

Provider with most accurate pricing for Anchorage-Lambert-St Louis flight deals.

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Provider most trusted by Cheapflights users for Anchorage-Lambert-St Louis flights.

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From Alaska to Lambert-St Louis

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One-way flight from Alaska to Lambert-St Louis

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Highest demand for flights based on searches. 2% potential increase in price ($18 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($16 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 Alaska to St. Louis

Cheapest flights from Alaska to St. Louis
Explore the most affordable flight options available from Alaska to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Tue 10/1412:00 pmFAI - STL

1 stop8h 56mAlaska Airlines

Mon 10/202:55 pmSTL - FAI

1 stop13h 55mAlaska Airlines

Deal found 3/27

$501

Thu 6/56:00 amANC - STL

1 stop8h 00mDelta

Wed 6/119:09 amSTL - ANC

2 stops13h 58mDelta

Deal found 3/27

$505

Mon 10/131:30 amFAI - STL

2 stops13h 33mDelta

Mon 10/202:15 pmSTL - FAI

2 stops12h 48mDelta

Deal found 3/27

$512

Thu 6/56:09 amANC - STL

1 stop9h 21mAmerican Airlines

Wed 6/1110:08 amSTL - ANC

1 stop11h 52mAmerican Airlines

Deal found 3/27

$561

Fri 4/1111:44 pmANC - STL

1 stop10h 03mUnited Airlines

Tue 4/1510:40 amSTL - ANC

1 stop11h 41mUnited Airlines

Deal found 3/26

$670

Tue 7/12:50 amANC - STL

1 stop18h 09mAlaska Airlines

Mon 7/147:32 pmSTL - ANC

1 stop10h 07mAlaska Airlines

Deal found 3/27

$715

Best flights from Alaska to St. Louis
Discover carefully curated flight deals from Alaska to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 28, 2025.

Thu 6/56:00 amANC - STL

1 stop8h 00mDelta

Wed 6/119:09 amSTL - ANC

2 stops13h 58mDelta

Deal found 3/27

$505

Thu 6/56:09 amANC - STL

1 stop9h 21mAmerican Airlines

Wed 6/1110:08 amSTL - ANC

1 stop11h 52mAmerican Airlines

Deal found 3/27

$561

Fri 4/1111:44 pmANC - STL

1 stop10h 03mUnited Airlines

Tue 4/1510:40 amSTL - ANC

1 stop11h 41mUnited Airlines

Deal found 3/26

$670

Tue 7/12:50 amANC - STL

1 stop18h 09mAlaska Airlines

Mon 7/147:32 pmSTL - ANC

1 stop10h 07mAlaska Airlines

Deal found 3/27

$715

Last-minute flights from Alaska to St. Louis
Discover last-minute flight deals from Alaska to St. Louis. Data last updated March 28, 2025 and is based on user searches.

Wed 4/98:30 pmANC - STL

1 stop17h 06mAmerican Airlines

Sun 4/137:04 amSTL - ANC

1 stop15h 16mAmerican Airlines

Deal found 3/27

$817

Thu 4/101:58 amANC - STL

1 stop9h 17mAlaska Airlines

Tue 4/156:44 amSTL - ANC

1 stop11h 46mAlaska Airlines

Deal found 3/26

$730

Fri 4/1111:44 pmANC - STL

1 stop10h 03mUnited Airlines

Tue 4/1510:40 amSTL - ANC

1 stop11h 41mUnited Airlines

Deal found 3/26

$670

Fri 4/119:20 pmANC - STL

1 stop10h 27mDelta

Tue 4/1510:30 amSTL - ANC

2 stops16h 46mDelta

Deal found 3/26

$672

One-way flights from Alaska to St. Louis
Search for one-way flight options from Alaska to St. Louis. Find affordable one-way fares based on user searches. Data last updated March 28, 2025.

Mon 5/261:55 amANC - STL

1 stop9h 12mAlaska Airlines

Deal found 3/27

$249

Sat 9/132:18 amFAI - STL

1 stop8h 59mAlaska Airlines

Deal found 3/27

$251

Fri 5/235:15 pmANC - STL

2 stops13h 20mDelta

Deal found 3/27

$252

Sun 8/38:55 pmANC - STL

3 stops35h 50mMultiple Airlines

Deal found 3/27

$398

Thu 4/31:40 amFAI - STL

2 stops13h 50mDelta

Deal found 3/27

$453

Fri 4/43:53 pmFAI - STL

2 stops14h 08mAmerican Airlines

Deal found 3/27

$503

Fri 6/204:00 pmANC - STL

3 stops27h 45mUnited Airlines

Deal found 3/27

$539

Wed 4/22:31 amANC - STL

1 stop8h 44mHawaiian Airlines

Deal found 3/27

$650

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Thu 6/5

6:00 am-5:00 pm

1 stop8h 00m

Lambert-St Louis

Wed 6/11

9:09 am-8:07 pm

2 stops13h 58m

$505

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Thu 6/5

6:09 am-6:30 pm

1 stop9h 21m

Lambert-St Louis

Wed 6/11

10:08 am-7:00 pm

1 stop11h 52m

$561

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Fri 4/11

11:44 pm-12:47 pm

1 stop10h 03m

Lambert-St Louis

Tue 4/15

10:40 am-7:21 pm

1 stop11h 41m

$670

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Tue 7/1

2:50 am-11:59 pm

1 stop18h 09m

Lambert-St Louis

Mon 7/14

7:32 pm-2:39 am

1 stop10h 07m

$715

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Mon 5/26

1:55 am-2:07 pm

1 stop9h 12m

$249

FairbanksSt. Louis

FAI - STL

FAISTL

Fairbanks

Sat 9/13

2:18 am-2:17 pm

1 stop8h 59m

$251

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Fri 5/23

5:15 pm-9:35 am

2 stops13h 20m

$252

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Sun 8/3

8:55 pm-11:45 am

3 stops35h 50m

$398

FairbanksSt. Louis

FAI - STL

FAISTL

Fairbanks

Thu 4/3

1:40 am-6:30 pm

2 stops13h 50m

$453

FairbanksSt. Louis

FAI - STL

FAISTL

Fairbanks

Fri 4/4

3:53 pm-9:01 am

2 stops14h 08m

$503

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 12 results

Best time to book a flight from Alaska to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Alaska 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 Alaska to St. Louis

What is the cheapest month to book a flight from Alaska to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Alaska to St. Louis (average of $311). Flying from Alaska to St. Louis in March is currently the most expensive (average of $356). 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 AK to STL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Alaska to St. Louis as you normally would.

Rainfall in St. Louis by month

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Alaska Airlines

8.0

Very good

9,798 reviews

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

9,798 reviews

Alaska Airlines

8.0

Very good

9,798 reviews

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

7,896 reviews

Alaska Airlines

8.0

Very good

9,798 reviews

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

2,335 reviews

Alaska Airlines

8.0

Very good

9,798 reviews

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

9,798 reviews

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

9,798 reviews

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

What airport do you fly into for flights to St. Louis from Alaska?
Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Alaska. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.
What are the cheapest airlines to fly from Alaska to St. Louis one-way?
To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $249. Delta flights start at $252 while deals on American Airlines start at $503 one-way.
Can I find deals for flights from Alaska to St. Louis that include hotel bookings?
Yes. In addition to deals on Alaska to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Alaska to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Alaska to St. Louis.
Can I find deals for business class flights from Alaska to St. Louis?
Yes. Cheapflights offers flight deals from Alaska to St. Louis 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 Alaska to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Alaska to St. Louis (average of $311). Flying from Alaska to St. Louis in March is currently the most expensive (average of $356). 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

Fenton

Fairview Heights

Maryland Heights

Collinsville

Wentzville

Eureka

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Festus

Glencoe

Alton

Farmington

Chesterfield

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Top 4 airlines flying from Alaska to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$450	Average$676	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$499	Average$543	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$499	Average$684	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$499	Average$683	FlexibilityNo cancel fee	On-timeN/A

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$249+ Cheap flights from Alaska to St. Louis (STL)

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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Alaska to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Alaska to St. Louis

Keep the following information in mind while searching for Alaska to St. Louis flight deals. Data was last updated March 28, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Alaska to St. Louis

Cheapest flights from Alaska to St. LouisExplore the most affordable flight options available from Alaska to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Explore the most affordable flight options available from Alaska to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Alaska to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Alaska with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Alaska to St. Louis

What is the cheapest month to book a flight from Alaska to St. Louis?

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

Find hourly flight availability from Alaska to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

Rainfall in St. Louis by month

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

Temperature in St. Louis by month

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

Reviews of airlines servicing St. Louis

Related info for your journey

Find useful and relevant information for your journey from Alaska to St. Louis. 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 into for flights to St. Louis from Alaska?

What are the cheapest airlines to fly from Alaska to St. Louis one-way?

Can I find deals for flights from Alaska to St. Louis that include hotel bookings?

How can I find direct flights from Alaska to St. Louis?

Can I find deals for business class flights from Alaska to St. Louis?

What is the cheapest month to book a flight from Alaska to St. Louis?

Traveling to a place near Alaska?

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Alternative routes for Alaska to St. Louis

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Top 4 airlines flying from Alaska to St. Louis

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Cheapest flights from Alaska to St. Louis
Explore the most affordable flight options available from Alaska to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.