$217+ Cheap flights from Alaska to St. Louis (STL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
ANC — STL
Oct 12 — Oct 191
Round-trip
1 adult, Economy
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Find cheap flights from Alaska to St. Louis 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 Alaska to St. Louis
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Best
Last-minute
One-way
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 September 12, 2026.
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 September 12, 2026.
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/228:22 pm -
1 stop9h 58m
Mon 10/265:40 am -
1 stop16h 37m
Deal found 9/10![American Airlines logo]()
$425
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/291:59 am -
1 stop19h 00m
Mon 11/27:00 am -
1 stop31h 06m
Deal found 9/10![Alaska Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 9/10. 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.
Thu 10/224:05 pm -
2 stops13h 48m
Mon 10/267:45 am -
2 stops15h 56m
Deal found 9/10![Delta logo]()
$435
This Delta deal was found by Cheapflights users on 9/10. 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.
Tue 11/171:47 am -
2 stops18h 31m
Sun 11/229:59 am -
2 stops17h 43m
Deal found 9/10![Delta logo]()
$437
This Delta deal was found by Cheapflights users on 9/10. 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.
Tue 11/171:47 am -
2 stops28h 32m
Sat 11/215:30 pm -
2 stops34h 12m
Deal found 9/10![Delta logo]()
$438
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/118:22 pm -
1 stop18h 58m
Fri 10/1610:12 am -
1 stop12h 05m
Deal found 9/11![American Airlines logo]()
$445
This Delta deal was found by Cheapflights users on 9/7. 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 10/2310:09 pm -
1 stop9h 29m
Mon 10/265:35 pm -
1 stop30h 24m
Deal found 9/7![Delta logo]()
$446
This Delta deal was found by Cheapflights users on 9/11. 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 10/116:30 am -
2 stops15h 14m
Fri 10/169:47 am -
1 stop14h 12m
Deal found 9/11![Delta logo]()
$450
This Delta deal was found by Cheapflights users on 9/8. 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 11/161:47 am -
2 stops16h 31m
Wed 11/182:20 pm -
2 stops13h 22m
Deal found 9/8![Delta logo]()
$457
This Delta deal was found by Cheapflights users on 9/7. 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.
Thu 10/2210:09 pm -
1 stop10h 59m
Tue 10/2712:28 pm -
1 stop11h 31m
Deal found 9/7![Delta logo]()
$504
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 9/255:30 am -
1 stop10h 08m
Sat 10/176:02 am -
1 stop9h 51m
Deal found 9/9![Alaska Airlines logo]()
$535
This Delta deal was found by Cheapflights users on 9/9. 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 9/252:30 pm -
2 stops17h 04m
Sat 10/177:45 am -
2 stops20h 00m
Deal found 9/9![Delta logo]()
$536
Best flights from Alaska to St. LouisDiscover 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 September 12, 2026.
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 September 12, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/291:59 am -
1 stop19h 00m
Mon 11/27:00 am -
1 stop31h 06m
Deal found 9/10![Alaska Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 9/8. 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.
Thu 10/226:30 am -
2 stops15h 14m
Mon 10/267:45 am -
2 stops15h 56m
Deal found 9/8![Delta logo]()
$435
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 10/3011:59 pm -
2 stops12h 44m
Mon 11/21:40 pm -
1 stop12h 16m
Deal found 9/10![United Airlines logo]()
$520
This Delta deal was found by Cheapflights users on 9/10. 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.
Tue 11/171:47 am -
2 stops18h 31m
Sun 11/229:59 am -
2 stops17h 43m
Deal found 9/10![Delta logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 2/12:37 am -
1 stop9h 19m
Wed 2/33:54 pm -
2 stops35h 50m
Deal found 9/10![Alaska Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 9/10. 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.
Tue 11/171:47 am -
2 stops28h 32m
Sat 11/215:30 pm -
2 stops34h 12m
Deal found 9/10![Delta logo]()
$438
This Delta deal was found by Cheapflights users on 9/7. 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.
Thu 10/222:24 pm -
2 stops18h 44m
Tue 10/2712:28 pm -
2 stops11h 13m
Deal found 9/7![Delta logo]()
$455
This Booking.com deal was found by Cheapflights users on 9/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:30 am -
1 stop15h 29m
Sat 10/176:02 am -
2 stops29h 44m
Deal found 9/9![Alaska Airlines logo]()
$539
This Delta deal was found by Cheapflights users on 9/8. 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 11/161:47 am -
2 stops18h 31m
Thu 11/196:00 am -
2 stops21h 42m
Deal found 9/8![Delta logo]()
$457
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 1/82:37 am -
1 stop9h 19m
Wed 1/133:54 pm -
1 stop26h 07m
Deal found 9/7![Alaska Airlines logo]()
$557
Last-minute flights from Alaska to St. LouisDiscover last-minute flight deals from Alaska to St. Louis. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Alaska to St. Louis. Data last updated September 12, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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 9/119:44 pm -
2 stops41h 54m
Sun 9/277:36 pm -
1 stop9h 12m
Deal found 9/11![Alaska Airlines logo]()
$1,906
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 9/255:30 am -
1 stop10h 08m
Sat 10/176:02 am -
1 stop9h 51m
Deal found 9/9![Alaska Airlines logo]()
$535
This Delta deal was found by Cheapflights users on 9/9. 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 9/252:30 pm -
2 stops17h 04m
Sat 10/177:45 am -
2 stops20h 00m
Deal found 9/9![Delta logo]()
$536
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 9/264:08 pm -
1 stop19h 13m
Wed 9/306:29 am -
1 stop19h 17m
Deal found 9/11![Alaska Airlines logo]()
$644
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/118:22 pm -
1 stop18h 58m
Fri 10/1610:12 am -
1 stop12h 05m
Deal found 9/11![American Airlines logo]()
$445
This Delta deal was found by Cheapflights users on 9/11. 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 10/116:30 am -
2 stops15h 14m
Fri 10/169:47 am -
1 stop14h 12m
Deal found 9/11![Delta logo]()
$450
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/228:22 pm -
1 stop9h 58m
Mon 10/265:40 am -
1 stop16h 37m
Deal found 9/10![American Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 9/10. 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.
Thu 10/224:05 pm -
2 stops13h 48m
Mon 10/267:45 am -
2 stops15h 56m
Deal found 9/10![Delta logo]()
$435
This Delta deal was found by Cheapflights users on 9/7. 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.
Thu 10/2210:09 pm -
1 stop10h 59m
Tue 10/2712:28 pm -
1 stop11h 31m
Deal found 9/7![Delta logo]()
$504
This Delta deal was found by Cheapflights users on 9/7. 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 10/2310:09 pm -
1 stop9h 29m
Mon 10/265:35 pm -
1 stop30h 24m
Deal found 9/7![Delta logo]()
$446
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/291:59 am -
1 stop19h 00m
Mon 11/27:00 am -
1 stop31h 06m
Deal found 9/10![Alaska Airlines logo]()
$427
One-way flights from Alaska to St. LouisSearch for one-way flight options from Alaska to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
Search for one-way flight options from Alaska to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This Delta deal was found by Cheapflights users on 9/8. 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 10/510:10 pm -
2 stops12h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Delta logo]()
$217
This Delta deal was found by Cheapflights users on 9/9. 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.
Thu 10/156:30 am -
2 stops15h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$223
This Priceline deal was found by Cheapflights users on 9/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/41:59 am -
1 stop19h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Alaska Airlines logo]()
$251
This Delta deal was found by Cheapflights users on 9/7. 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 11/271:47 am -
2 stops18h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$254
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/158:22 pm -
1 stop18h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![American Airlines logo]()
$267
This American Airlines deal was found by Cheapflights users on 9/10. 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 9/299:54 pm -
1 stop9h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![American Airlines logo]()
$296
This Delta deal was found by Cheapflights users on 9/10. 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.
Tue 9/296:00 am -
2 stops14h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Delta logo]()
$301
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 11/2910:40 am -
2 stops34h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Alaska Airlines logo]()
$322
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 9/2911:45 pm -
2 stops12h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 9/8. 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.
Mon 10/511:45 pm -
3 stops33h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$378
This Booking.com deal was found by Cheapflights users on 9/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/272:36 am -
1 stop18h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Alaska Airlines logo]()
$479
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:07 pm -
3 stops39h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$506
Find 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 September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $425 (American Airlines) |
One-way from | $217 (Delta) |
Popular in | October |
Cheapest in | January |
Average price | $561 |
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 7,457,451 searches. Data last updated September 12, 2026.
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
Cheapest round-trip
AnchorageSt. Louis
ANC Anchorage - STL Lambert-St Louis
ANCSTL
Anchorage
Mon 10/5
10:10 pm-1:20 pm
2 stops12h 10m
Lambert-St Louis
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$217
AnchorageSt. Louis
ANC Anchorage - STL Lambert-St Louis
ANCSTL
Anchorage
Thu 10/15
6:30 am-12:44 am
2 stops15h 14m
Lambert-St Louis
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$223
FairbanksSt. Louis
FAI Fairbanks - STL Lambert-St Louis
FAISTL
Fairbanks
Fri 11/27
1:47 am-11:18 pm
2 stops18h 31m
Lambert-St Louis
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$254
AnchorageSt. Louis
ANC Anchorage - STL Lambert-St Louis
ANCSTL
Anchorage
Tue 9/29
9:54 pm-10:18 am
1 stop9h 24m
Lambert-St Louis
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$296
AnchorageSt. Louis
ANC Anchorage - STL Lambert-St Louis
ANCSTL
Anchorage
Tue 9/29
6:00 am-11:42 pm
2 stops14h 42m
Lambert-St Louis
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$301
AnchorageSt. Louis
ANC Anchorage - STL Lambert-St Louis
ANCSTL
Anchorage
Mon 10/5
11:45 pm-12:13 pm
3 stops33h 28m
Lambert-St Louis
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$378
FairbanksSt. Louis
FAI Fairbanks - STL Lambert-St Louis
FAISTL
Fairbanks
Sun 11/29
4:01 pm-2:22 pm
1 stop19h 21m
Lambert-St Louis
Wed 12/31
12:00 am-8:00 pm
Nonstop0h 00m
$391
AnchorageSt. Louis
ANC Anchorage - STL Lambert-St Louis
ANCSTL
Anchorage
Thu 10/29
1:59 am-11:59 pm
1 stop19h 00m
Lambert-St Louis
Mon 11/2
7:00 am-11:06 am
1 stop31h 06m
$427
AnchorageSt. Louis
ANC Anchorage - STL Lambert-St Louis
ANCSTL
Anchorage
Thu 10/22
6:30 am-12:44 am
2 stops15h 14m
Lambert-St Louis
Mon 10/26
7:45 am-8:41 pm
2 stops15h 56m
$435
FairbanksSt. Louis
FAI Fairbanks - STL Lambert-St Louis
FAISTL
Fairbanks
Tue 11/17
1:47 am-11:18 pm
2 stops18h 31m
Lambert-St Louis
Sun 11/22
9:59 am-12:42 am
2 stops17h 43m
$437
Showing 1-10 of 20 resultsSorted by cheapest first
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.
ANC-STL
FAI-STL
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
USAK-STL
ANC-STL
FAI-STL
How much does it cost to fly round-trip from Alaska to St. Louis?
Airfare is below average for this route at the moment.
Alaska to St. Louis flights typically cost between $561 and $651 in October.The cheapest round-trip price found within the last 5 days was $425 on American Airlines (Oct 22-Oct 26).
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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Edwardsville
Glencoe
Chesterfield
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Find flights from Alaska to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Alaska and St. Louis flights
Browse other Alaska and St. Louis flight options. Last updated on September 12, 2026.
Popular flight searches
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Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 12, 2026.
Alaska to St. Louis flights
Consider these flights traveling from Alaska to St. Louis.
Top 2 airlines flying from Alaska to St. Louis
Discover the top 2 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 7,457,451 searches. Data last updated September 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$330 | Average$528 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$500 | Average$800 | FlexibilityNo cancel fee | On-time75% |