$180+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ANC
Apr 9 — Apr 161
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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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 March 10, 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 March 10, 2026.
This Trip.com deal was found by Cheapflights users on 3/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:00 am
STL
- ANC
1 stop29h 48m
Alaska Airlines
Mon 4/278:00 am
ANC
- STL
1 stop12h 59m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 3/6. 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 5/157:00 am
STL
- ANC
1 stop19h 20m
Delta
Sat 5/166:00 am
ANC
- STL
1 stop14h 21m
Delta
Deal found 3/6![Delta logo]()
$353
This American Airlines deal was found by Cheapflights users on 3/6. 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 4/95:20 am
STL
- ANC
1 stop16h 30m
American Airlines
Mon 4/138:30 pm
ANC
- STL
1 stop15h 38m
American Airlines
Deal found 3/6![American Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 3/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:20 am
STL
- ANC
1 stop16h 30m
American Airlines
Tue 4/148:30 pm
ANC
- STL
1 stop12h 07m
American Airlines
Deal found 3/8![American Airlines logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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.
Tue 4/73:50 pm
STL
- FAI
1 stop12h 54m
Alaska Airlines
Tue 4/2112:11 pm
FAI
- STL
1 stop8h 48m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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.
Sat 4/44:20 pm
STL
- FAI
1 stop9h 25m
Alaska Airlines
Mon 4/61:20 am
FAI
- STL
1 stop19h 39m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$362
This Delta deal was found by Cheapflights users on 3/9. 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 5/77:15 am
STL
- ANC
2 stops16h 34m
Delta
Fri 5/156:00 am
ANC
- STL
1 stop14h 21m
Delta
Deal found 3/9![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 3/9. 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 4/912:28 pm
STL
- ANC
1 stop9h 23m
Delta
Mon 4/139:15 pm
ANC
- STL
2 stops15h 17m
Delta
Deal found 3/9![Delta logo]()
$366
This Expedia deal was found by Cheapflights users on 3/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/34:20 pm
STL
- FAI
2 stops26h 32m
Alaska Airlines
Sat 4/115:30 am
FAI
- STL
1 stop15h 29m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$366
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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.
Tue 4/73:50 pm
STL
- ANC
2 stops24h 46m
Alaska Airlines
Tue 4/145:00 pm
ANC
- STL
1 stop18h 51m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 3/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1610:35 am
STL
- ANC
2 stops15h 10m
Southwest
Thu 5/2111:55 pm
ANC
- STL
2 stops12h 30m
Southwest
Deal found 3/8![Southwest logo]()
$369
This Delta deal was found by Cheapflights users on 3/6. 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 5/164:00 pm
STL
- ANC
1 stop11h 31m
Delta
Sun 5/176:00 am
ANC
- STL
1 stop14h 21m
Delta
Deal found 3/6![Delta logo]()
$385
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 March 10, 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 March 10, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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.
Sat 4/44:20 pm
STL
- FAI
1 stop9h 25m
Alaska Airlines
Mon 4/61:20 am
FAI
- STL
1 stop19h 39m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$362
This United Airlines deal was found by Cheapflights users on 3/5. 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 4/310:00 am
STL
- ANC
2 stops15h 45m
United Airlines
Mon 4/68:50 pm
ANC
- STL
1 stop10h 55m
United Airlines
Deal found 3/5![United Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 3/8. 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 4/66:29 am
STL
- ANC
1 stop15h 22m
Delta
Mon 4/136:00 am
ANC
- STL
2 stops14h 14m
Delta
Deal found 3/8![Delta logo]()
$366
This Alaska Airlines deal was found by Cheapflights users on 3/10. 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.
Tue 4/73:50 pm
STL
- FAI
1 stop12h 54m
Alaska Airlines
Tue 4/215:00 am
FAI
- STL
2 stops15h 59m
Alaska Airlines
Deal found 3/10![Alaska Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 3/7. 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 4/912:28 pm
STL
- ANC
1 stop9h 23m
Delta
Mon 4/131:41 pm
ANC
- STL
2 stops17h 53m
Delta
Deal found 3/7![Delta logo]()
$366
This Expedia deal was found by Cheapflights users on 3/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/34:20 pm
STL
- FAI
2 stops26h 32m
Alaska Airlines
Sat 4/115:30 am
FAI
- STL
1 stop15h 29m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 3/5. 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 4/36:29 am
STL
- ANC
2 stops17h 06m
Delta
Mon 4/69:15 pm
ANC
- STL
2 stops17h 38m
Delta
Deal found 3/5![Delta logo]()
$371
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Wed 4/1511:15 am
STL
- ANC
1 stop11h 33m
United Airlines
Sun 4/198:50 pm
ANC
- STL
1 stop8h 35m
United Airlines
Deal found 3/8![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 3/6. 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 5/711:22 am
STL
- ANC
2 stops16h 33m
Delta
Fri 5/152:10 pm
ANC
- STL
2 stops15h 09m
Delta
Deal found 3/6![Delta logo]()
$371
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 4/13:50 pm
STL
- FAI
1 stop9h 45m
Alaska Airlines
Mon 4/1310:00 am
FAI
- STL
1 stop10h 59m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$396
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 4/97:00 am
STL
- FAI
1 stop10h 57m
Alaska Airlines
Mon 4/1310:29 pm
FAI
- STL
2 stops22h 30m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$400
This Delta deal was found by Cheapflights users on 3/6. 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 5/1611:22 am
STL
- ANC
2 stops14h 58m
Delta
Sun 5/176:00 am
ANC
- STL
2 stops14h 21m
Delta
Deal found 3/6![Delta logo]()
$403
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:00 am
STL
- FAI
2 stops27h 03m
Alaska Airlines
Wed 4/2910:30 pm
FAI
- STL
2 stops22h 29m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$405
This Delta deal was found by Cheapflights users on 3/7. 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.
Wed 6/33:11 pm
STL
- ANC
1 stop12h 20m
Delta
Wed 6/106:10 am
ANC
- STL
1 stop13h 51m
Delta
Deal found 3/7![Delta logo]()
$463
This Alaska Airlines deal was found by Cheapflights users on 3/5. 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 4/57:00 am
STL
- JNU
2 stops17h 28m
Alaska Airlines
Wed 4/87:24 am
JNU
- STL
2 stops13h 35m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$503
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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.
Wed 4/297:00 am
STL
- KTN
1 stop15h 35m
Alaska Airlines
Sat 5/29:20 am
KTN
- STL
1 stop11h 39m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$586
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/237:00 am
STL
- KTN
2 stops28h 28m
Alaska Airlines
Fri 3/275:21 pm
KTN
- STL
3 stops51h 38m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$868
Last-minute flights from St. Louis to AlaskaDiscover last-minute flight deals from St. Louis to Alaska. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Alaska. Data last updated March 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Wed 4/111:15 am
STL
- ANC
2 stops14h 30m
United Airlines
Mon 4/68:50 pm
ANC
- STL
1 stop8h 35m
United Airlines
Deal found 3/8![United Airlines logo]()
$364
This Expedia deal was found by Cheapflights users on 3/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/34:20 pm
STL
- FAI
2 stops26h 32m
Alaska Airlines
Sat 4/115:30 am
FAI
- STL
1 stop15h 29m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$366
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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.
Sat 4/44:20 pm
STL
- FAI
1 stop9h 25m
Alaska Airlines
Mon 4/61:20 am
FAI
- STL
1 stop19h 39m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$362
This American Airlines deal was found by Cheapflights users on 3/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:20 am
STL
- ANC
1 stop16h 30m
American Airlines
Tue 4/148:30 pm
ANC
- STL
1 stop12h 07m
American Airlines
Deal found 3/8![American Airlines logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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.
Tue 4/73:50 pm
STL
- FAI
1 stop12h 54m
Alaska Airlines
Tue 4/2112:11 pm
FAI
- STL
1 stop8h 48m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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.
Tue 4/73:50 pm
STL
- ANC
2 stops24h 46m
Alaska Airlines
Tue 4/145:00 pm
ANC
- STL
1 stop18h 51m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 3/9. 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.
Tue 4/72:12 pm
STL
- ANC
2 stops13h 17m
Delta
Tue 4/146:00 am
ANC
- STL
2 stops14h 14m
Delta
Deal found 3/9![Delta logo]()
$391
This American Airlines deal was found by Cheapflights users on 3/6. 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 4/95:20 am
STL
- ANC
1 stop16h 30m
American Airlines
Mon 4/138:30 pm
ANC
- STL
1 stop15h 38m
American Airlines
Deal found 3/6![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 3/9. 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 4/912:28 pm
STL
- ANC
1 stop9h 23m
Delta
Mon 4/139:15 pm
ANC
- STL
2 stops15h 17m
Delta
Deal found 3/9![Delta logo]()
$366
This Alaska Airlines deal was found by Cheapflights users on 3/5. 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 4/97:00 am
STL
- FAI
1 stop10h 57m
Alaska Airlines
Mon 4/1310:00 am
FAI
- STL
1 stop10h 59m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$396
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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.
Tue 4/147:00 am
STL
- FAI
1 stop18h 35m
Alaska Airlines
Tue 5/55:30 am
FAI
- STL
1 stop15h 29m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$432
This Trip.com deal was found by Cheapflights users on 3/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:00 am
STL
- ANC
1 stop29h 48m
Alaska Airlines
Mon 4/278:00 am
ANC
- STL
1 stop12h 59m
Alaska Airlines
Deal found 3/6![Alaska Airlines logo]()
$343
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 March 10, 2026.
Search for one-way flight options from St. Louis to Alaska. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/187:12 am
STL
- ANC
1 stop14h 38m
American Airlines
Deal found 3/5![American Airlines logo]()
$180
This United Airlines deal was found by Cheapflights users on 3/5. 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 4/1811:15 am
STL
- ANC
2 stops14h 30m
United Airlines
Deal found 3/5![United Airlines logo]()
$186
This Alaska Airlines deal was found by Cheapflights users on 3/5. 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 5/165:33 pm
STL
- FAI
2 stops23h 08m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$186
This American Airlines deal was found by Cheapflights users on 3/9. 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.
Fri 4/247:12 am
STL
- ANC
1 stop14h 38m
American Airlines
Deal found 3/9![American Airlines logo]()
$190
This United Airlines deal was found by Cheapflights users on 3/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/249:10 am
STL
- ANC
2 stops16h 35m
United Airlines
Deal found 3/9![United Airlines logo]()
$196
This Delta deal was found by Cheapflights users on 3/9. 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.
Tue 6/910:45 am
STL
- ANC
1 stop13h 13m
Delta
Deal found 3/9![Delta logo]()
$216
This Delta deal was found by Cheapflights users on 3/6. 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 6/91:30 pm
STL
- FAI
2 stops13h 36m
Delta
Deal found 3/6![Delta logo]()
$222
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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.
Tue 6/97:41 pm
STL
- FAI
1 stop30h 37m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$224
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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.
Sat 5/305:33 pm
STL
- ANC
2 stops19h 18m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 3/10. 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.
Mon 6/812:10 pm
STL
- ANC
2 stops14h 24m
Delta
Deal found 3/10![Delta logo]()
$232
This Delta deal was found by Cheapflights users on 3/5. 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 6/1112:10 pm
STL
- ANC
1 stop15h 23m
Delta
Deal found 3/5![Delta logo]()
$248
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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.
Wed 8/263:24 pm
STL
- FAI
1 stop14h 14m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$248
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 March 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $339 (lol.travel) |
One-way from | $180 (American Airlines) |
Popular in | July |
Cheapest in | October |
Average price | $495 |
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 March 10, 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 - FAI
STLFAI
Lambert-St Louis
Sat 4/4
4:20 pm-10:45 pm
1 stop9h 25m
Fairbanks
Mon 4/6
1:20 am-11:59 pm
1 stop19h 39m
$362
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Fri 4/3
10:00 am-10:45 pm
2 stops15h 45m
Anchorage
Mon 4/6
8:50 pm-10:45 am
1 stop10h 55m
$364
St. LouisFairbanks
STL - FAI
STLFAI
Lambert-St Louis
Tue 4/7
3:50 pm-1:44 am
1 stop12h 54m
Fairbanks
Tue 4/21
5:00 am-11:59 pm
2 stops15h 59m
$364
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Mon 4/6
6:29 am-6:51 pm
1 stop15h 22m
Anchorage
Mon 4/13
6:00 am-11:14 pm
2 stops14h 14m
$366
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Thu 4/9
12:28 pm-6:51 pm
1 stop9h 23m
Anchorage
Mon 4/13
1:41 pm-10:34 am
2 stops17h 53m
$366
St. LouisFairbanks
STL - FAI
STLFAI
Lambert-St Louis
Fri 4/3
4:20 pm-3:52 pm
2 stops26h 32m
Fairbanks
Sat 4/11
5:30 am-11:59 pm
1 stop15h 29m
$366
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Fri 4/3
6:29 am-8:35 pm
2 stops17h 06m
Anchorage
Mon 4/6
9:15 pm-5:53 pm
2 stops17h 38m
$371
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Thu 5/7
11:22 am-12:55 am
2 stops16h 33m
Anchorage
Fri 5/15
2:10 pm-8:19 am
2 stops15h 09m
$371
St. LouisFairbanks
STL - FAI
STLFAI
Lambert-St Louis
Wed 4/1
3:50 pm-10:35 pm
1 stop9h 45m
Fairbanks
Mon 4/13
10:00 am-11:59 pm
1 stop10h 59m
$396
St. LouisFairbanks
STL - FAI
STLFAI
Lambert-St Louis
Thu 4/9
7:00 am-2:57 pm
1 stop10h 57m
Fairbanks
Mon 4/13
10:29 pm-11:59 pm
2 stops22h 30m
$400
Showing 1-10 of 36 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
What is the cheapest month to book a flight from St. Louis to Alaska?
Currently, December is the cheapest month in which you can book a flight from St. Louis to Alaska (average of $298). Flying from St. Louis to Alaska in November is currently the most expensive (average of $508). 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.
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 March 10, 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.
Crew
8.5
Overall
8.0
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Overall
8.0
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Overall
8.0
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Overall
8.0
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Crew
8.5
Overall
8.0
Comfort
7.8
Boarding
8.1
Entertainment
7.0
Food
7.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
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 March 10, 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 March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$259 | Average$603 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$364 | Average$760 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$368 | Average$656 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$384 | Average$796 | FlexibilityNo cancel fee | On-time75% |