St. Louis

$310+ 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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — STL
dic. 26 — ene. 21
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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 noviembre 26, 2025.

This Delta deal was found by Cheapflights users on 11/25. 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.
sáb. 12/278:15 pmANC - STL
1 stop15h 15mDelta
vie. 1/95:25 pmSTL - ANC
1 stop10h 23mDelta
Deal found 11/25$400
This Delta deal was found by Cheapflights users on 11/25. 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.
dom. 12/288:15 pmANC - STL
1 stop13h 06mDelta
lun. 1/511:23 amSTL - ANC
2 stops15h 46mDelta
Deal found 11/25$436
This United Airlines deal was found by Cheapflights users on 11/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/261:30 amANC - STL
1 stop8h 50mUnited Airlines
vie. 1/92:45 pmSTL - ANC
1 stop11h 30mUnited Airlines
Deal found 11/25$515
This United Airlines deal was found by Cheapflights users on 11/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/2811:59 pmANC - STL
1 stop10h 21mUnited Airlines
lun. 1/53:10 pmSTL - ANC
2 stops12h 15mUnited Airlines
Deal found 11/24$566

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 noviembre 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$400
(Delta)

One-way from

$310
(Delta)

Popular in

November

Cheapest in

January

Average price

$1,057
Provider with most accurate pricing for Anchorage-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Anchorage-Lambert-St Louis flights.
From Alaska to Lambert-St Louis
One-way flight from Alaska to Lambert-St Louis
Highest demand for flights based on searches. 16% potential increase in price ($130 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($37 potential savings vs. average RT price).
Average for round-trip flights in November 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Alaska to St. Louis 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 noviembre 26, 2025.
Use the filters below to find and compare flights from Alaska to St. Louis that are best for you.

Fly from

Alaska

Fly to

St. Louis

Route

Depart

Return

Price

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

sáb. 12/27

8:15 pm-2:30 pm

1 stop15h 15m

Lambert-St Louis

vie. 1/9

5:25 pm-12:48 am

1 stop10h 23m

$400

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

mié. 1/7

6:10 am-4:45 pm

1 stop7h 35m

Lambert-St Louis

jue. 1/8

5:25 pm-12:48 am

1 stop10h 23m

$400

FairbanksSt. Louis

FAI - STL

FAISTL

Fairbanks

mié. 1/7

4:06 pm-1:54 pm

1 stop18h 48m

Lambert-St Louis

vie. 1/9

2:50 pm-11:56 pm

1 stop12h 06m

$401

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

mié. 1/14

5:55 am-11:25 pm

2 stops14h 30m

Lambert-St Louis

lun. 1/19

6:40 am-8:44 pm

2 stops17h 04m

$401

FairbanksSt. Louis

FAI - STL

FAISTL

Fairbanks

mié. 1/7

1:30 am-11:25 pm

2 stops18h 55m

Lambert-St Louis

vie. 1/9

5:25 pm-12:25 am

2 stops34h 00m

$403

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

mar. 1/6

2:10 am-1:54 pm

1 stop8h 44m

Lambert-St Louis

jue. 1/8

2:50 pm-9:51 pm

1 stop10h 01m

$431

FairbanksSt. Louis

FAI - STL

FAISTL

Fairbanks

mié. 1/7

2:10 am-1:54 pm

1 stop8h 44m

Lambert-St Louis

vie. 1/9

2:50 pm-2:48 am

1 stop14h 58m

$432

FairbanksSt. Louis

FAI - STL

FAISTL

Fairbanks

mar. 1/6

1:30 am-11:39 pm

2 stops19h 09m

Lambert-St Louis

vie. 1/9

11:23 am-12:25 am

2 stops16h 02m

$463

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

mar. 12/23

9:15 pm-3:03 pm

1 stop14h 48m

$310

AnchorageSt. Louis

ANC - STL

ANCSTL

Anchorage

lun. 5/25

11:55 pm-12:00 pm

1 stop9h 05m

$315

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/26

Showing 1-10 of 14 results
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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, October is the cheapest month in which you can book a flight from Alaska to St. Louis (average of $359). Flying from Alaska to St. Louis in August is currently the most expensive (average of $612). 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?

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 noviembre 26, 2025.

It’s optimal to fly from Alaska to St. Louis in the afternoon. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight in the morning.

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?

    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 15h 15m. Delta provides one of the quickest options available for as low as $400. 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 Delta, which is currently one of the cheapest options available, starting at $310. Southwest flights start at $315 while deals on United Airlines start at $328 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, October is the cheapest month in which you can book a flight from Alaska to St. Louis (average of $359). Flying from Alaska to St. Louis in August is currently the most expensive (average of $612). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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Alternative routes for Alaska to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Alaska to St. Louis

Discover the top 4 airlines that operate flights from Alaska to St. Louis. 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 noviembre 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$364Average$654FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$403Average$556FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$493Average$499FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$519Average$650FlexibilityNo cancel feeOn-time75%

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