$210+ Cheap flights from St. Louis (STL) to Alaska
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ANC
May 24 — May 311
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Alaska with Cheapflights
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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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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 April 24, 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 April 24, 2026.
This United Airlines deal was found by Cheapflights users on 4/19. 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 5/245:10 am
STL
- ANC
1 stop9h 00m
United Airlines
Fri 5/2911:59 pm
ANC
- STL
1 stop11h 24m
United Airlines
Deal found 4/19![United Airlines logo]()
$419
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 5/275:33 pm
STL
- ANC
1 stop19h 57m
Alaska Airlines
Fri 5/297:24 pm
ANC
- STL
1 stop20h 21m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 4/23. 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 5/2211:25 am
STL
- ANC
2 stops14h 55m
Delta
Fri 5/298:05 pm
ANC
- STL
1 stop15h 43m
Delta
Deal found 4/23![Delta logo]()
$424
This Southwest deal was found by Cheapflights users on 4/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2412:20 pm
STL
- ANC
2 stops13h 25m
Southwest
Fri 5/2910:25 pm
ANC
- STL
2 stops12h 35m
Southwest
Deal found 4/19![Southwest logo]()
$429
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/202:35 pm
STL
- FAI
1 stop11h 24m
United Airlines
Tue 5/261:00 am
FAI
- STL
1 stop8h 42m
United Airlines
Deal found 4/22![United Airlines logo]()
$440
This Alaska Airlines deal was found by Cheapflights users on 4/19. 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 5/305:33 pm
STL
- ANC
1 stop19h 57m
Alaska Airlines
Tue 6/21:10 am
ANC
- STL
1 stop14h 35m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$461
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 9/236:00 am
STL
- FAI
1 stop17h 54m
Alaska Airlines
Wed 9/305:30 am
FAI
- STL
1 stop10h 08m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$522
This Delta deal was found by Cheapflights users on 4/20. 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 9/238:50 am
STL
- FAI
2 stops18h 16m
Delta
Tue 9/291:30 am
FAI
- STL
2 stops20h 06m
Delta
Deal found 4/20![Delta logo]()
$533
This American Airlines deal was found by Cheapflights users on 4/19. 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 5/307:00 am
STL
- JNU
2 stops17h 25m
American Airlines
Mon 6/85:00 am
JNU
- STL
2 stops11h 36m
American Airlines
Deal found 4/19![American Airlines logo]()
$533
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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 8/293:00 pm
STL
- FAI
1 stop13h 47m
Alaska Airlines
Mon 8/311:22 am
FAI
- STL
1 stop9h 42m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$542
This Delta deal was found by Cheapflights users on 4/22. 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 7/2011:18 am
STL
- FAI
1 stop12h 31m
Delta
Mon 7/279:59 pm
FAI
- STL
2 stops15h 15m
Delta
Deal found 4/22![Delta logo]()
$548
This American Airlines deal was found by Cheapflights users on 4/19. 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 5/319:41 am
STL
- JNU
2 stops16h 09m
American Airlines
Fri 6/125:03 am
JNU
- STL
2 stops11h 33m
American Airlines
Deal found 4/19![American Airlines logo]()
$552
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 April 24, 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 April 24, 2026.
This Delta deal was found by Cheapflights users on 4/23. 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 5/2211:25 am
STL
- ANC
2 stops14h 55m
Delta
Fri 5/298:05 pm
ANC
- STL
1 stop15h 43m
Delta
Deal found 4/23![Delta logo]()
$424
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/202:35 pm
STL
- FAI
1 stop11h 24m
United Airlines
Tue 5/261:00 am
FAI
- STL
1 stop8h 42m
United Airlines
Deal found 4/22![United Airlines logo]()
$440
This Alaska Airlines deal was found by Cheapflights users on 4/19. 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 5/305:33 pm
STL
- ANC
1 stop19h 57m
Alaska Airlines
Tue 6/22:25 am
ANC
- STL
2 stops11h 12m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$468
This Southwest deal was found by Cheapflights users on 4/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/71:45 pm
STL
- ANC
1 stop13h 00m
Southwest
Tue 9/812:55 am
ANC
- STL
1 stop11h 10m
Southwest
Deal found 4/21![Southwest logo]()
$535
This Delta deal was found by Cheapflights users on 4/20. 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 5/2411:25 am
STL
- ANC
2 stops14h 10m
Delta
Sun 6/1410:30 pm
ANC
- STL
1 stop11h 39m
Delta
Deal found 4/20![Delta logo]()
$482
This Alaska Airlines deal was found by Cheapflights users on 4/19. 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 9/236:00 am
STL
- FAI
1 stop12h 09m
Alaska Airlines
Tue 9/291:22 am
FAI
- STL
1 stop9h 59m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$522
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 8/293:00 pm
STL
- FAI
1 stop13h 47m
Alaska Airlines
Mon 8/311:22 am
FAI
- STL
1 stop9h 42m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$522
This Delta deal was found by Cheapflights users on 4/23. 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 6/2110:20 am
STL
- ANC
1 stop13h 56m
Delta
Fri 6/266:00 am
ANC
- STL
1 stop14h 23m
Delta
Deal found 4/23![Delta logo]()
$535
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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 5/207:41 pm
STL
- ANC
1 stop17h 10m
Alaska Airlines
Sun 5/241:55 am
ANC
- STL
1 stop18h 59m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$525
This Delta deal was found by Cheapflights users on 4/21. 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 6/262:28 pm
STL
- ANC
2 stops14h 27m
Delta
Sun 7/512:35 pm
ANC
- STL
1 stop7h 48m
Delta
Deal found 4/21![Delta logo]()
$540
This Delta deal was found by Cheapflights users on 4/22. 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 6/192:28 pm
STL
- ANC
2 stops14h 27m
Delta
Tue 6/2312:35 pm
ANC
- STL
1 stop7h 48m
Delta
Deal found 4/22![Delta logo]()
$540
This Expedia deal was found by Cheapflights users on 4/21. 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 9/23:00 pm
STL
- FAI
1 stop13h 47m
Alaska Airlines
Wed 9/99:40 pm
FAI
- STL
2 stops17h 58m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$546
This Delta deal was found by Cheapflights users on 4/21. 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 7/135:42 pm
STL
- ANC
1 stop10h 47m
Delta
Wed 7/2210:10 pm
ANC
- STL
1 stop9h 18m
Delta
Deal found 4/21![Delta logo]()
$545
This Delta deal was found by Cheapflights users on 4/21. 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 6/221:59 pm
STL
- ANC
2 stops12h 45m
Delta
Fri 6/266:00 am
ANC
- STL
2 stops14h 56m
Delta
Deal found 4/21![Delta logo]()
$547
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 9/16:00 am
STL
- KTN
1 stop14h 00m
Alaska Airlines
Wed 9/25:29 pm
KTN
- STL
1 stop17h 35m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$646
This Delta deal was found by Cheapflights users on 4/22. 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 7/2011:18 am
STL
- FAI
1 stop12h 31m
Delta
Mon 7/279:59 pm
FAI
- STL
2 stops15h 15m
Delta
Deal found 4/22![Delta logo]()
$548
This Alaska Airlines deal was found by Cheapflights users on 4/19. 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 5/285:33 pm
STL
- KTN
2 stops22h 33m
Alaska Airlines
Sat 5/3012:28 pm
KTN
- STL
1 stop8h 26m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$651
This Alaska Airlines deal was found by Cheapflights users on 4/19. 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 9/16:00 am
STL
- JNU
3 stops27h 44m
Alaska Airlines
Wed 9/26:44 pm
JNU
- STL
1 stop16h 20m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$654
This Alaska Airlines deal was found by Cheapflights users on 4/19. 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 6/55:33 pm
STL
- JNU
2 stops18h 06m
Alaska Airlines
Tue 6/99:16 am
JNU
- STL
3 stops11h 38m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$667
This Expedia deal was found by Cheapflights users on 4/22. 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.
Tue 5/197:41 pm
STL
- KTN
1 stop15h 32m
Alaska Airlines
Tue 5/262:00 pm
KTN
- STL
1 stop22h 16m
Alaska Airlines
Deal found 4/22![Alaska Airlines logo]()
$795
This Alaska Airlines deal was found by Cheapflights users on 4/19. 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 6/195:37 pm
STL
- KTN
2 stops24h 25m
Alaska Airlines
Tue 6/235:39 pm
KTN
- STL
3 stops27h 20m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$838
Last-minute flights from St. Louis to AlaskaDiscover last-minute flight deals from St. Louis to Alaska. Data last updated April 24, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Alaska. Data last updated April 24, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 4/19. 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 5/145:33 pm
STL
- FAI
2 stops26h 01m
Alaska Airlines
Wed 5/201:20 am
FAI
- STL
1 stop14h 25m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$577
This American Airlines deal was found by Cheapflights users on 4/22. 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 5/195:20 am
STL
- KTN
2 stops10h 46m
American Airlines
Tue 5/265:57 pm
KTN
- STL
2 stops11h 54m
American Airlines
Deal found 4/22![American Airlines logo]()
$564
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/202:35 pm
STL
- FAI
1 stop11h 24m
United Airlines
Tue 5/261:00 am
FAI
- STL
1 stop8h 42m
United Airlines
Deal found 4/22![United Airlines logo]()
$440
This Delta deal was found by Cheapflights users on 4/22. 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 5/208:53 am
STL
- FAI
2 stops18h 42m
Delta
Tue 5/261:40 am
FAI
- STL
2 stops19h 50m
Delta
Deal found 4/22![Delta logo]()
$553
This Delta deal was found by Cheapflights users on 4/23. 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 5/2211:25 am
STL
- ANC
2 stops14h 55m
Delta
Fri 5/298:05 pm
ANC
- STL
1 stop15h 43m
Delta
Deal found 4/23![Delta logo]()
$424
This United Airlines deal was found by Cheapflights users on 4/19. 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 5/245:10 am
STL
- ANC
1 stop9h 00m
United Airlines
Fri 5/2911:59 pm
ANC
- STL
1 stop11h 24m
United Airlines
Deal found 4/19![United Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 4/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2412:20 pm
STL
- ANC
2 stops13h 25m
Southwest
Fri 5/2910:25 pm
ANC
- STL
2 stops12h 35m
Southwest
Deal found 4/19![Southwest logo]()
$429
This American Airlines deal was found by Cheapflights users on 4/22. 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 5/265:25 am
STL
- KTN
2 stops10h 41m
American Airlines
Tue 6/29:20 am
KTN
- STL
2 stops11h 39m
American Airlines
Deal found 4/22![American Airlines logo]()
$599
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 5/275:33 pm
STL
- ANC
1 stop19h 57m
Alaska Airlines
Fri 5/297:24 pm
ANC
- STL
1 stop20h 21m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$421
This Alaska Airlines deal was found by Cheapflights users on 4/19. 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 5/305:33 pm
STL
- ANC
1 stop19h 57m
Alaska Airlines
Tue 6/21:10 am
ANC
- STL
1 stop14h 35m
Alaska Airlines
Deal found 4/19![Alaska Airlines logo]()
$461
This American Airlines deal was found by Cheapflights users on 4/19. 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 5/307:00 am
STL
- JNU
2 stops17h 25m
American Airlines
Mon 6/85:00 am
JNU
- STL
2 stops11h 36m
American Airlines
Deal found 4/19![American Airlines logo]()
$533
This American Airlines deal was found by Cheapflights users on 4/19. 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 5/319:41 am
STL
- JNU
2 stops16h 09m
American Airlines
Fri 6/125:03 am
JNU
- STL
2 stops11h 33m
American Airlines
Deal found 4/19![American Airlines logo]()
$552
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 April 24, 2026.
Search for one-way flight options from St. Louis to Alaska. Find affordable one-way fares based on user searches. Data last updated April 24, 2026.
This American Airlines deal was found by Cheapflights users on 4/20. 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 6/99:41 am
STL
- ANC
1 stop15h 54m
American Airlines
Deal found 4/20![American Airlines logo]()
$210
This Delta deal was found by Cheapflights users on 4/20. 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 5/3011:25 am
STL
- ANC
2 stops14h 55m
Delta
Deal found 4/20![Delta logo]()
$216
This Delta deal was found by Cheapflights users on 4/20. 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 6/98:49 am
STL
- ANC
2 stops14h 18m
Delta
Deal found 4/20![Delta logo]()
$221
This Delta deal was found by Cheapflights users on 4/23. 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 6/810:20 am
STL
- ANC
1 stop13h 56m
Delta
Deal found 4/23![Delta logo]()
$252
This Delta deal was found by Cheapflights users on 4/20. 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 8/262:15 pm
STL
- FAI
2 stops12h 51m
Delta
Deal found 4/20![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 4/23. 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 6/1110:20 am
STL
- ANC
1 stop13h 56m
Delta
Deal found 4/23![Delta logo]()
$268
This CheapOair deal was found by Cheapflights users on 4/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:33 pm
STL
- ANC
1 stop19h 57m
Alaska Airlines
Deal found 4/24![Alaska Airlines logo]()
$272
This Delta deal was found by Cheapflights users on 4/20. 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 7/2411:18 am
STL
- FAI
1 stop12h 31m
Delta
Deal found 4/20![Delta logo]()
$281
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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 8/263:00 pm
STL
- FAI
1 stop10h 54m
Alaska Airlines
Deal found 4/21![Alaska Airlines logo]()
$291
This Alaska Airlines deal was found by Cheapflights users on 4/20. 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 7/248:00 am
STL
- FAI
2 stops18h 18m
Alaska Airlines
Deal found 4/20![Alaska Airlines logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 7/178:00 am
STL
- KTN
2 stops14h 43m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$415
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 April 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $419 (United Airlines) |
One-way from | $210 (American Airlines) |
Popular in | July |
Cheapest in | October |
Average price | $480 |
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 2,558,603 searches. Data last updated April 24, 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. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Fri 5/22
11:25 am-11:20 pm
2 stops14h 55m
Anchorage
Fri 5/29
8:05 pm-2:48 pm
1 stop15h 43m
$424
St. LouisFairbanks
STL - FAI
STLFAI
Lambert-St Louis
Wed 5/20
2:35 pm-10:59 pm
1 stop11h 24m
Fairbanks
Tue 5/26
1:00 am-12:42 pm
1 stop8h 42m
$440
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Sat 5/30
5:33 pm-10:30 am
1 stop19h 57m
Anchorage
Tue 6/2
2:25 am-4:37 pm
2 stops11h 12m
$468
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Sun 5/24
11:25 am-10:35 pm
2 stops14h 10m
Anchorage
Sun 6/14
10:30 pm-1:09 pm
1 stop11h 39m
$482
St. LouisFairbanks
STL - FAI
STLFAI
Lambert-St Louis
Wed 9/23
6:00 am-3:09 pm
1 stop12h 09m
Fairbanks
Tue 9/29
1:22 am-2:21 pm
1 stop9h 59m
$522
St. LouisFairbanks
STL - FAI
STLFAI
Lambert-St Louis
Sat 8/29
3:00 pm-1:47 am
1 stop13h 47m
Fairbanks
Mon 8/31
1:22 am-2:04 pm
1 stop9h 42m
$522
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Wed 5/20
7:41 pm-9:51 am
1 stop17h 10m
Anchorage
Sun 5/24
1:55 am-11:54 pm
1 stop18h 59m
$525
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Mon 9/7
1:45 pm-11:45 pm
1 stop13h 00m
Anchorage
Tue 9/8
12:55 am-3:05 pm
1 stop11h 10m
$535
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Sun 6/21
10:20 am-9:16 pm
1 stop13h 56m
Anchorage
Fri 6/26
6:00 am-11:23 pm
1 stop14h 23m
$535
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Fri 6/26
2:28 pm-1:55 am
2 stops14h 27m
Anchorage
Sun 7/5
12:35 pm-11:23 pm
1 stop7h 48m
$540
Showing 1-10 of 29 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-ANC
STL-FAI
STL-JNU
STL-KTN
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-ANC
STL-FAI
STL-JNU
STL-KTN
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 54 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from St. Louis to Alaska?
Currently, September is the cheapest month in which you can book a flight from St. Louis to Alaska (average of $256). Flying from St. Louis to Alaska in November is currently the most expensive (average of $505). 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 much does it cost to fly round-trip from St. Louis to Alaska?
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 April 24, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited Airlines 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.
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
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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St. Louis and Alaska flights
Browse other St. Louis and Alaska flight options. Last updated on April 24, 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 4 airlines flying from St. Louis to Alaska
Discover the top 4 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 2,558,603 searches. Data last updated April 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$349 | Average$542 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$364 | Average$760 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$368 | Average$647 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$384 | Average$670 | FlexibilityNo cancel fee | On-time75% |