How long is the flight from Alaska to St. Louis?

A quick flight from Alaska to St. Louis can take about 8h 33m. American Airlines provides one of the quickest options available for as low as $356. There are 2927 mi between Alaska and St. Louis. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $177. Delta flights start at $183 while deals on Alaska Airlines start at $329 one-way.

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.

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).

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 $657 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.

$177+ Cheap Flights from Alaska to St. Louis

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Cheap flight deals from Alaska to St. Louis

Round-trip from	$356 (American Airlines)
One-way from	$177 (United Airlines)
Popular in	September
Cheapest in	January
Average price	$612

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. 5% potential increase in price ($36 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).

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Average for round-trip flights in August 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 August 18, 2025.

Fri 9/199:53 pmANC - STL

1 stop8h 33mAmerican Airlines

Tue 9/237:16 amSTL - ANC

1 stop14h 51mAmerican Airlines

Deal found 8/18

$356

Tue 9/96:00 amANC - STL

2 stops12h 18mDelta

Tue 9/165:32 pmSTL - ANC

1 stop11h 04mDelta

Deal found 8/15

$361

Tue 9/94:46 pmANC - STL

1 stop18h 53mAlaska Airlines

Tue 9/163:35 pmSTL - ANC

1 stop10h 12mAlaska Airlines

Deal found 8/15

$416

Mon 10/2712:30 amANC - STL

2 stops12h 01mDelta

Sun 11/24:45 pmSTL - ANC

1 stop11h 06mDelta

Deal found 8/16

$421

Thu 10/1611:49 pmANC - STL

2 stops12h 55mUnited Airlines

Sun 10/1912:25 pmSTL - ANC

1 stop10h 32mUnited Airlines

Deal found 8/16

$431

Tue 11/41:45 amFAI - STL

2 stops14h 00mDelta

Sat 11/81:30 pmSTL - FAI

2 stops14h 15mDelta

Deal found 8/17

$432

Sun 9/1412:55 amANC - STL

2 stops14h 07mDelta

Mon 9/225:32 pmSTL - ANC

1 stop11h 04mDelta

Deal found 8/16

$444

Fri 10/2411:16 amANC - STL

1 stop9h 47mAlaska Airlines

Sun 11/24:14 pmSTL - ANC

1 stop9h 34mAlaska Airlines

Deal found 8/16

$446

Tue 11/42:14 amFAI - STL

1 stop10h 04mAlaska Airlines

Sat 11/87:00 amSTL - FAI

2 stops15h 26mAlaska Airlines

Deal found 8/17

$481

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 August 18, 2025.

Fri 9/199:53 pmANC - STL

1 stop8h 33mAmerican Airlines

Tue 9/237:16 amSTL - ANC

1 stop14h 51mAmerican Airlines

Deal found 8/18

$356

Tue 9/96:00 amANC - STL

2 stops12h 18mDelta

Tue 9/165:32 pmSTL - ANC

1 stop11h 04mDelta

Deal found 8/15

$361

Fri 9/1911:45 pmANC - STL

2 stops12h 59mUnited Airlines

Tue 9/2311:30 amSTL - ANC

1 stop11h 17mUnited Airlines

Deal found 8/18

$361

Mon 9/1511:00 amANC - STL

1 stop9h 59mAlaska Airlines

Mon 9/226:00 amSTL - ANC

1 stop11h 32mAlaska Airlines

Deal found 8/16

$416

Mon 9/155:15 pmANC - STL

2 stops12h 22mDelta

Mon 9/225:32 pmSTL - ANC

1 stop11h 04mDelta

Deal found 8/16

$361

Tue 10/287:52 pmANC - STL

1 stop10h 01mAmerican Airlines

Sun 11/25:17 amSTL - ANC

1 stop16h 59mAmerican Airlines

Deal found 8/16

$416

Tue 9/94:46 pmANC - STL

1 stop18h 53mAlaska Airlines

Tue 9/163:35 pmSTL - ANC

1 stop10h 12mAlaska Airlines

Deal found 8/15

$416

Fri 10/177:52 pmANC - STL

1 stop10h 01mAmerican Airlines

Sun 10/1910:10 amSTL - ANC

1 stop11h 34mAmerican Airlines

Deal found 8/16

$416

Tue 11/41:45 amFAI - STL

2 stops14h 00mDelta

Sat 11/81:30 pmSTL - FAI

2 stops14h 15mDelta

Deal found 8/17

$432

Wed 10/297:52 pmANC - STL

1 stop10h 28mAmerican Airlines

Mon 11/35:17 amSTL - ANC

1 stop16h 58mAmerican Airlines

Deal found 8/16

$416

Tue 11/42:14 amFAI - STL

1 stop10h 04mAlaska Airlines

Sat 11/87:00 amSTL - FAI

2 stops15h 26mAlaska Airlines

Deal found 8/17

$481

Last-minute flights from Alaska to St. Louis
Discover last-minute flight deals from Alaska to St. Louis. Data last updated August 18, 2025 and is based on user searches.

Tue 9/23:59 pmFAI - STL

1 stop19h 40mAlaska Airlines

Sat 9/66:00 amSTL - FAI

1 stop11h 59mAlaska Airlines

Deal found 8/18

$677

Tue 9/210:07 pmFAI - STL

2 stops13h 30mDelta

Sat 9/63:30 pmSTL - FAI

2 stops12h 20mDelta

Deal found 8/18

$688

Tue 9/96:00 amANC - STL

2 stops12h 18mDelta

Tue 9/165:32 pmSTL - ANC

1 stop11h 04mDelta

Deal found 8/15

$361

Tue 9/94:46 pmANC - STL

1 stop18h 53mAlaska Airlines

Tue 9/163:35 pmSTL - ANC

1 stop10h 12mAlaska Airlines

Deal found 8/15

$416

Sun 9/1412:55 amANC - STL

2 stops14h 07mDelta

Mon 9/225:32 pmSTL - ANC

1 stop11h 04mDelta

Deal found 8/16

$444

Sun 9/142:45 amANC - STL

1 stop18h 14mAlaska Airlines

Mon 9/226:00 amSTL - ANC

1 stop9h 55mAlaska Airlines

Deal found 8/16

$494

Tue 9/1612:34 amANC - STL

1 stop11h 05mAlaska Airlines

Sun 9/216:00 amSTL - ANC

1 stop9h 19mAlaska Airlines

Deal found 8/16

$529

Wed 9/1710:34 pmANC - STL

1 stop20h 34mUnited Airlines

Sun 9/215:30 pmSTL - ANC

1 stop22h 39mUnited Airlines

Deal found 8/16

$551

Fri 9/199:53 pmANC - STL

1 stop8h 33mAmerican Airlines

Tue 9/237:16 amSTL - ANC

1 stop14h 51mAmerican Airlines

Deal found 8/18

$356

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 August 18, 2025.

Thu 10/169:04 pmANC - STL

1 stop10h 45mUnited Airlines

Deal found 8/16

$177

Thu 10/1611:15 amANC - STL

2 stops10h 09mDelta

Deal found 8/16

$183

Sat 11/89:45 pmANC - STL

1 stop10h 47mDelta

Deal found 8/18

$209

Sat 11/88:21 pmANC - STL

1 stop11h 16mAmerican Airlines

Deal found 8/15

$210

Sat 9/132:11 pmANC - STL

2 stops17h 29mUnited Airlines

Deal found 8/18

$223

Sat 9/1310:45 pmANC - STL

1 stop15h 46mAlaska Airlines

Deal found 8/18

$227

Wed 9/1711:00 amANC - STL

2 stops19h 26mAlaska Airlines

Deal found 8/16

$238

Wed 9/175:15 pmANC - STL

2 stops12h 22mDelta

Deal found 8/18

$266

Sat 11/812:10 pmANC - STL

2 stops32h 49mAlaska Airlines

Deal found 8/15

$268

Wed 9/1710:34 pmANC - STL

1 stop20h 34mUnited Airlines

Deal found 8/18

$275

Wed 10/151:47 amANC - STL

2 stops19h 16mAlaska Airlines

Deal found 8/16

$280

Thu 9/1112:15 pmFAI - STL

1 stop8h 44mAlaska Airlines

Deal found 8/17

$329

Fly from

Fly to

Route

Depart

Return

Price

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Fri 9/19

9:53 pm-9:26 am

1 stop8h 33m

Lambert-St Louis

Tue 9/23

7:16 am-7:07 pm

1 stop14h 51m

$356

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Tue 9/9

6:00 am-9:18 pm

2 stops12h 18m

Lambert-St Louis

Tue 9/16

5:32 pm-1:36 am

1 stop11h 04m

$361

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Fri 9/19

11:45 pm-3:44 pm

2 stops12h 59m

Lambert-St Louis

Tue 9/23

11:30 am-7:47 pm

1 stop11h 17m

$361

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Mon 9/15

5:15 pm-8:37 am

2 stops12h 22m

Lambert-St Louis

Mon 9/22

5:32 pm-1:36 am

1 stop11h 04m

$361

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Mon 9/15

11:00 am-11:59 pm

1 stop9h 59m

Lambert-St Louis

Mon 9/22

6:00 am-2:32 pm

1 stop11h 32m

$416

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Tue 10/28

7:52 pm-8:53 am

1 stop10h 01m

Lambert-St Louis

Sun 11/2

5:17 am-7:16 pm

1 stop16h 59m

$416

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Tue 9/9

4:46 pm-2:39 pm

1 stop18h 53m

Lambert-St Louis

Tue 9/16

3:35 pm-10:47 pm

1 stop10h 12m

$416

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Fri 10/17

7:52 pm-8:53 am

1 stop10h 01m

Lambert-St Louis

Sun 10/19

10:10 am-6:44 pm

1 stop11h 34m

$416

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

Wed 10/29

7:52 pm-9:20 am

1 stop10h 28m

Lambert-St Louis

Mon 11/3

5:17 am-7:15 pm

1 stop16h 58m

$416

FairbanksSt. Louis

FAI - STL

FAISTL

Fairbanks

Tue 11/4

1:45 am-6:45 pm

2 stops14h 00m

Lambert-St Louis

Sat 11/8

1:30 pm-12:45 am

2 stops14h 15m

$432

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 16 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.

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.
How long is the flight from Alaska to St. Louis?
A quick flight from Alaska to St. Louis can take about 8h 33m. American Airlines provides one of the quickest options available for as low as $356. There are 2927 mi between Alaska and St. Louis. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines to fly from Alaska to St. Louis one-way?
To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $177. Delta flights start at $183 while deals on Alaska Airlines start at $329 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

O'Fallon

Fairview Heights

Maryland Heights

Collinsville

Eureka

St. Peters

Glencoe

Alton

Chesterfield

Farmington

Festus

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Top 4 airlines flying from Alaska to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$493	Average$499	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$499	Average$660	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$499	Average$651	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$519	Average$643	FlexibilityNo cancel fee	On-time75%

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$177+ 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 10/16. 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

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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 August 18, 2025.

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 August 18, 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 August 18, 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 August 18, 2025.

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?

How long is the flight from Alaska to St. Louis?

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 St. Louis?

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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 August 18, 2025.