$238+ Cheap flights from St. Louis (STL) to Alaska
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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ANC
Oct 30 — Nov 61
Round-trip
1 adult, Economy
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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
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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
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Cheapest flights from St. Louis to AlaskaExplore 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 September 30, 2026.
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 September 30, 2026.
This Expedia deal was found by Cheapflights users on 9/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:29 am -
1 stop9h 24m
Fri 10/25:30 am -
1 stop10h 08m
Deal found 9/25![Alaska Airlines logo]()
$476
This Priceline deal was found by Cheapflights users on 9/26. 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.
Thu 11/126:00 am -
2 stops12h 19m
Mon 11/165:47 am -
1 stop15h 12m
Deal found 9/26![Alaska Airlines logo]()
$479
This Expedia deal was found by Cheapflights users on 9/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:02 am -
1 stop18h 34m
Tue 10/204:06 pm -
1 stop28h 53m
Deal found 9/28![Alaska Airlines logo]()
$479
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:02 am -
1 stop18h 46m
Sun 11/110:48 pm -
2 stops22h 11m
Deal found 9/25![Alaska Airlines logo]()
$480
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:02 am -
1 stop11h 06m
Sun 10/115:09 am -
2 stops39h 50m
Deal found 9/25![Alaska Airlines logo]()
$480
This Priceline deal was found by Cheapflights users on 9/26. 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.
Mon 10/267:02 am -
1 stop32h 29m
Mon 11/210:08 am -
2 stops10h 51m
Deal found 9/26![Alaska Airlines logo]()
$483
This Expedia deal was found by Cheapflights users on 9/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:00 am -
2 stops12h 19m
Sun 11/81:36 am -
2 stops19h 23m
Deal found 9/27![Alaska Airlines logo]()
$486
This Alaska Airlines deal was found by Cheapflights users on 9/26. 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 10/246:02 am -
2 stops14h 25m
Sat 10/316:35 pm -
2 stops27h 24m
Deal found 9/26![Alaska Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 9/25. 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.
Sat 9/2611:16 am -
2 stops16h 14m
Fri 10/22:30 pm -
2 stops16h 04m
Deal found 9/25![Delta logo]()
$487
This American Airlines deal was found by Cheapflights users on 9/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:43 am -
2 stops15h 48m
Fri 12/117:00 am -
2 stops13h 34m
Deal found 9/27![American Airlines logo]()
$487
This United Airlines deal was found by Cheapflights users on 9/29. 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 10/3111:15 am -
1 stop11h 24m
Sat 10/3111:59 pm -
1 stop10h 39m
Deal found 9/29![United Airlines logo]()
$493
This Delta deal was found by Cheapflights users on 9/27. 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.
Tue 10/272:22 pm -
2 stops13h 13m
Tue 11/34:05 pm -
2 stops14h 44m
Deal found 9/27![Delta logo]()
$497
Best flights from St. Louis to AlaskaDiscover carefully curated flight deals from St. Louis to Alaska that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.
Discover carefully curated flight deals from St. Louis to Alaska that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/26. 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 10/246:02 am -
1 stop9h 51m
Sat 10/312:52 pm -
2 stops31h 07m
Deal found 9/26![Alaska Airlines logo]()
$480
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Tue 10/274:39 pm -
1 stop9h 17m
Tue 11/311:59 pm -
1 stop9h 39m
Deal found 9/29![United Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 9/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1110:05 am -
2 stops17h 32m
Fri 11/131:42 am -
2 stops16h 36m
Deal found 9/29![Delta logo]()
$507
This American Airlines deal was found by Cheapflights users on 9/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:06 pm -
2 stops15h 31m
Tue 10/204:06 pm -
2 stops15h 44m
Deal found 9/27![American Airlines logo]()
$542
This Alaska Airlines deal was found by Cheapflights users on 9/26. 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.
Wed 10/77:02 am -
1 stop11h 06m
Sun 10/115:09 am -
2 stops39h 50m
Deal found 9/26![Alaska Airlines logo]()
$480
This Delta deal was found by Cheapflights users on 9/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:47 am -
2 stops17h 58m
Mon 11/21:50 am -
2 stops16h 19m
Deal found 9/29![Delta logo]()
$507
This Alaska Airlines deal was found by Cheapflights users on 9/28. 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.
Sat 10/176:02 am -
2 stops29h 44m
Tue 10/204:06 pm -
1 stop28h 53m
Deal found 9/28![Alaska Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 9/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:45 am -
2 stops15h 56m
Mon 11/21:40 am -
2 stops16h 29m
Deal found 9/29![Delta logo]()
$511
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:08 pm -
2 stops12h 48m
Sun 11/158:43 pm -
1 stop9h 12m
Deal found 9/28![United Airlines logo]()
$575
This Alaska Airlines deal was found by Cheapflights users on 9/26. 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 10/246:02 am -
2 stops14h 25m
Sat 10/316:35 pm -
2 stops27h 24m
Deal found 9/26![Alaska Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 9/28. 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 11/112:20 pm -
2 stops14h 19m
Sun 11/156:06 am -
2 stops15h 34m
Deal found 9/28![Delta logo]()
$524
This United Airlines deal was found by Cheapflights users on 9/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/101:27 pm -
1 stop9h 30m
Mon 10/1211:45 pm -
1 stop9h 55m
Deal found 9/28![United Airlines logo]()
$613
This Priceline deal was found by Cheapflights users on 9/26. 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 10/257:02 am -
1 stop19h 37m
Sun 11/18:10 am -
2 stops12h 49m
Deal found 9/26![Alaska Airlines logo]()
$535
This Delta deal was found by Cheapflights users on 9/26. 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 10/256:21 am -
2 stops11h 48m
Sat 10/311:40 am -
2 stops17h 29m
Deal found 9/26![Delta logo]()
$588
This American Airlines deal was found by Cheapflights users on 9/28. 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.
Tue 10/137:02 am -
1 stop17h 43m
Sat 10/176:33 pm -
2 stops15h 02m
Deal found 9/28![American Airlines logo]()
$804
This Alaska Airlines deal was found by Cheapflights users on 9/24. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:00 am -
1 stop32h 06m
Tue 11/35:28 pm -
1 stop17h 57m
Deal found 9/24![Alaska Airlines logo]()
$569
This Delta deal was found by Cheapflights users on 9/26. 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.
Sat 11/217:13 am -
2 stops16h 45m
Fri 11/271:15 am -
2 stops19h 07m
Deal found 9/26![Delta logo]()
$624
This Alaska Airlines deal was found by Cheapflights users on 9/26. 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 10/267:10 pm -
2 stops20h 43m
Mon 11/212:13 pm -
1 stop8h 46m
Deal found 9/26![Alaska Airlines logo]()
$592
This Travelocity deal was found by Cheapflights users on 9/26. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:20 pm -
2 stops18h 01m
Sun 11/296:47 pm -
1 stop16h 35m
Deal found 9/26![Alaska Airlines logo]()
$611
This Expedia deal was found by Cheapflights users on 9/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:10 am -
2 stops20h 40m
Fri 11/131:31 am -
1 stop10h 50m
Deal found 9/29![Alaska Airlines logo]()
$612
This Alaska Airlines deal was found by Cheapflights users on 9/29. 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 10/96:04 am -
2 stops33h 49m
Tue 10/135:36 am -
1 stop15h 23m
Deal found 9/29![Alaska Airlines logo]()
$667
This Priceline deal was found by Cheapflights users on 9/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/34:04 pm -
1 stop8h 27m
Fri 12/117:00 am -
1 stop13h 59m
Deal found 9/27![Alaska Airlines logo]()
$713
This Alaska Airlines deal was found by Cheapflights users on 9/28. 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.
Tue 10/134:42 pm -
3 stops30h 31m
Sat 10/177:16 am -
2 stops13h 43m
Deal found 9/28![Alaska Airlines logo]()
$1,110
Last-minute flights from St. Louis to AlaskaDiscover last-minute flight deals from St. Louis to Alaska. Data last updated September 30, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Alaska. Data last updated September 30, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:02 am -
1 stop11h 06m
Sun 10/115:09 am -
2 stops39h 50m
Deal found 9/25![Alaska Airlines logo]()
$480
This Delta deal was found by Cheapflights users on 9/28. 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.
Tue 10/139:47 am -
2 stops17h 58m
Fri 10/161:50 am -
2 stops16h 19m
Deal found 9/28![Delta logo]()
$487
This Expedia deal was found by Cheapflights users on 9/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:02 am -
1 stop18h 34m
Tue 10/204:06 pm -
1 stop28h 53m
Deal found 9/28![Alaska Airlines logo]()
$479
This American Airlines deal was found by Cheapflights users on 9/29. 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 10/2010:12 am -
1 stop12h 05m
Thu 10/298:22 pm -
1 stop18h 56m
Deal found 9/29![American Airlines logo]()
$519
This Alaska Airlines deal was found by Cheapflights users on 9/26. 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 10/246:02 am -
2 stops12h 59m
Fri 10/301:31 am -
1 stop11h 13m
Deal found 9/26![Alaska Airlines logo]()
$479
This Priceline deal was found by Cheapflights users on 9/26. 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.
Mon 10/267:02 am -
1 stop32h 29m
Mon 11/210:08 am -
2 stops10h 51m
Deal found 9/26![Alaska Airlines logo]()
$483
This Delta deal was found by Cheapflights users on 9/27. 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.
Tue 10/272:22 pm -
2 stops13h 13m
Tue 11/34:05 pm -
2 stops14h 44m
Deal found 9/27![Delta logo]()
$497
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Tue 10/274:39 pm -
1 stop9h 17m
Tue 11/311:59 pm -
1 stop9h 39m
Deal found 9/29![United Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 9/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:47 am -
2 stops17h 58m
Mon 11/21:50 am -
2 stops16h 19m
Deal found 9/29![Delta logo]()
$507
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:02 am -
1 stop18h 46m
Sun 11/110:48 pm -
2 stops22h 11m
Deal found 9/25![Alaska Airlines logo]()
$480
This Delta deal was found by Cheapflights users on 9/25. 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.
Wed 10/287:45 am -
2 stops15h 56m
Sat 10/311:40 am -
2 stops17h 29m
Deal found 9/25![Delta logo]()
$524
This United Airlines deal was found by Cheapflights users on 9/29. 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 10/3111:15 am -
1 stop11h 24m
Sat 10/3111:59 pm -
1 stop10h 39m
Deal found 9/29![United Airlines logo]()
$493
One-way flights from St. Louis to AlaskaSearch for one-way flight options from St. Louis to Alaska. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
Search for one-way flight options from St. Louis to Alaska. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:04 am -
1 stop9h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Alaska Airlines logo]()
$238
This Delta deal was found by Cheapflights users on 9/26. 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.
Sat 10/317:00 am -
1 stop14h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Delta logo]()
$250
This Priceline deal was found by Cheapflights users on 9/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:00 am -
1 stop19h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Alaska Airlines logo]()
$270
This American Airlines deal was found by Cheapflights users on 9/29. 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.
Fri 11/206:00 am -
1 stop16h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![American Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 9/26. 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.
Sat 10/33:52 pm -
1 stop8h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 9/26. 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 10/310:27 am -
2 stops15h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![United Airlines logo]()
$313
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Sun 11/158:30 am -
2 stops17h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![United Airlines logo]()
$314
This deal was found by Cheapflights users on 9/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:39 pm -
1 stop9h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![United Airlines logo]()
$325
This Expedia deal was found by Cheapflights users on 9/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:20 pm -
2 stops16h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Alaska Airlines logo]()
$405
This American Airlines deal was found by Cheapflights users on 9/26. 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.
Mon 10/125:40 am -
1 stop16h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![American Airlines logo]()
$482
This Expedia deal was found by Cheapflights users on 9/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:02 am -
3 stops31h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Alaska Airlines logo]()
$526
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:00 am -
3 stops42h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$828
Find 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 September 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $479 (Priceline) |
One-way from | $238 (Alaska Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $547 |
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 7,457,451 searches. Data last updated September 30, 2026.
Use the filters below to find and compare flights from St. Louis to Alaska that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisFairbanks
STL Lambert-St Louis - FAI Fairbanks
STLFAI
Lambert-St Louis
Wed 12/9
6:04 am-1:02 pm
1 stop9h 58m
Fairbanks
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$238
St. LouisAnchorage
STL Lambert-St Louis - ANC Anchorage
STLANC
Lambert-St Louis
Tue 11/3
5:00 am-7:09 pm
1 stop17h 09m
Anchorage
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$250
St. LouisAnchorage
STL Lambert-St Louis - ANC Anchorage
STLANC
Lambert-St Louis
Tue 11/3
3:35 pm-12:35 am
2 stops12h 00m
Anchorage
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$256
St. LouisAnchorage
STL Lambert-St Louis - ANC Anchorage
STLANC
Lambert-St Louis
Sat 10/31
3:35 pm-12:35 am
2 stops12h 00m
Anchorage
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$256
St. LouisAnchorage
STL Lambert-St Louis - ANC Anchorage
STLANC
Lambert-St Louis
Sun 11/15
6:00 am-10:46 pm
1 stop19h 46m
Anchorage
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$270
Quickest round-trip
St. LouisAnchorage
STL Lambert-St Louis - ANC Anchorage
STLANC
Lambert-St Louis
Sat 10/3
3:52 pm-9:00 pm
1 stop8h 08m
Anchorage
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$307
St. LouisAnchorage
STL Lambert-St Louis - ANC Anchorage
STLANC
Lambert-St Louis
Sat 11/21
3:20 pm-11:42 pm
1 stop11h 22m
Anchorage
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$307
St. LouisAnchorage
STL Lambert-St Louis - ANC Anchorage
STLANC
Lambert-St Louis
Wed 10/14
9:47 am-8:59 pm
1 stop14h 12m
Anchorage
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$307
St. LouisAnchorage
STL Lambert-St Louis - ANC Anchorage
STLANC
Lambert-St Louis
Wed 10/14
10:27 am-10:43 pm
2 stops15h 16m
Anchorage
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$313
St. LouisAnchorage
STL Lambert-St Louis - ANC Anchorage
STLANC
Lambert-St Louis
Sat 11/21
7:13 am-8:58 pm
2 stops16h 45m
Anchorage
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$313
Showing 1-10 of 37 resultsSorted by cheapest first
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.
STL-FAI
STL-ANC
STL-JNU
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
STL-USAK
STL-FAI
STL-ANC
STL-JNU
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 $385). Flying from St. Louis to Alaska in July is currently the most expensive (average of $645). 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.
How far ahead should I book a flight from St. Louis to Alaska?
The price you pay for your flight from St. Louis to Alaska may vary depending on when you book. For the best chance of a lower fare, look to book 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 September 30, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from St. Louis to Alaska by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentEdward,Sep 2026
MCO - BWI
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.
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Alternative routes for St. Louis to Alaska
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Complete your trip
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Find flights from St. Louis to Alaska, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Alaska flights
Browse other St. Louis and Alaska flight options. Last updated on September 30, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to Alaska flights
Consider these flights traveling from St. Louis to Alaska.
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 7,457,451 searches. Data last updated September 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$295 | Average$682 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$364 | Average$528 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$368 | Average$643 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$384 | Average$648 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$524 | Average$703 | FlexibilityNo cancel fee | On-time63% |