$183+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ANC
jun. 21 — jun. 281
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Alaska
Cheapest
Best
Last-minute
One-way
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 mayo 22, 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 mayo 22, 2026.
This Delta deal was found by Cheapflights users on 5/17. 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.
mar. 6/98:00 am
STL
- ANC
1 stop18h 20m
Delta
mié. 6/106:00 am
ANC
- STL
1 stop14h 23m
Delta
Deal found 5/17![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 5/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/96:00 am
STL
- ANC
1 stop16h 02m
Delta
jue. 8/1312:39 am
ANC
- STL
1 stop15h 00m
Delta
Deal found 5/19![Delta logo]()
$365
This Delta deal was found by Cheapflights users on 5/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/711:13 am
STL
- FAI
1 stop12h 36m
Delta
vie. 8/1410:00 pm
FAI
- STL
1 stop15h 52m
Delta
Deal found 5/19![Delta logo]()
$366
This Delta deal was found by Cheapflights users on 5/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/125:42 pm
STL
- FAI
1 stop30h 07m
Delta
lun. 8/1710:00 pm
FAI
- STL
1 stop14h 10m
Delta
Deal found 5/19![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 5/18. 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.
mié. 8/511:13 am
STL
- ANC
2 stops15h 11m
Delta
mié. 8/126:00 am
ANC
- STL
1 stop14h 26m
Delta
Deal found 5/18![Delta logo]()
$370
This Delta deal was found by Cheapflights users on 5/20. 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.
lun. 6/223:57 pm
STL
- ANC
1 stop11h 58m
Delta
vie. 6/266:00 am
ANC
- STL
2 stops15h 43m
Delta
Deal found 5/20![Delta logo]()
$372
This Delta deal was found by Cheapflights users on 5/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/711:13 am
STL
- FAI
2 stops16h 26m
Delta
lun. 8/1710:00 pm
FAI
- STL
1 stop14h 10m
Delta
Deal found 5/19![Delta logo]()
$372
This Delta deal was found by Cheapflights users on 5/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/125:42 pm
STL
- FAI
1 stop30h 07m
Delta
mar. 8/1810:00 pm
FAI
- STL
2 stops19h 42m
Delta
Deal found 5/19![Delta logo]()
$373
This Delta deal was found by Cheapflights users on 5/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/78:00 am
STL
- FAI
2 stops19h 39m
Delta
vie. 8/141:39 am
FAI
- STL
2 stops17h 24m
Delta
Deal found 5/19![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 5/17. 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.
mar. 8/43:50 pm
STL
- ANC
1 stop12h 09m
Delta
mar. 8/1110:08 pm
ANC
- STL
1 stop14h 02m
Delta
Deal found 5/17![Delta logo]()
$394
This Delta deal was found by Cheapflights users on 5/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/118:48 am
STL
- FAI
1 stop15h 01m
Delta
vie. 8/1410:00 pm
FAI
- STL
1 stop15h 52m
Delta
Deal found 5/19![Delta logo]()
$395
This Delta deal was found by Cheapflights users on 5/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/66:20 am
STL
- FAI
1 stop17h 29m
Delta
jue. 8/1310:00 pm
FAI
- STL
1 stop22h 26m
Delta
Deal found 5/19![Delta logo]()
$397
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 mayo 22, 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 mayo 22, 2026.
This Delta deal was found by Cheapflights users on 5/20. 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.
mié. 8/1911:13 am
STL
- ANC
1 stop13h 11m
Delta
sáb. 8/2912:39 am
ANC
- STL
1 stop15h 00m
Delta
Deal found 5/20![Delta logo]()
$365
This Alaska Airlines deal was found by Cheapflights users on 5/19. 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.
mié. 9/236:08 pm
STL
- FAI
2 stops21h 45m
Alaska Airlines
mié. 9/305:10 am
FAI
- STL
2 stops10h 28m
Alaska Airlines
Deal found 5/19![Alaska Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 5/17. 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.
sáb. 8/154:40 pm
STL
- FAI
1 stop9h 19m
United Airlines
jue. 8/201:00 am
FAI
- STL
2 stops11h 38m
United Airlines
Deal found 5/17![United Airlines logo]()
$466
This American Airlines deal was found by Cheapflights users on 5/20. 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.
jue. 6/45:29 am
STL
- KTN
2 stops10h 37m
American Airlines
lun. 6/85:57 pm
KTN
- STL
2 stops11h 53m
American Airlines
Deal found 5/20![American Airlines logo]()
$681
This Delta deal was found by Cheapflights users on 5/20. 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.
lun. 6/223:57 pm
STL
- ANC
1 stop11h 58m
Delta
vie. 6/2612:35 pm
ANC
- STL
1 stop7h 48m
Delta
Deal found 5/20![Delta logo]()
$365
This Delta deal was found by Cheapflights users on 5/22. 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.
mié. 8/192:10 pm
STL
- ANC
1 stop9h 46m
Delta
mié. 8/2610:08 pm
ANC
- STL
1 stop7h 29m
Delta
Deal found 5/22![Delta logo]()
$365
This Delta deal was found by Cheapflights users on 5/22. 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.
mié. 8/55:42 pm
STL
- ANC
1 stop10h 17m
Delta
mar. 8/1112:39 am
ANC
- STL
1 stop15h 00m
Delta
Deal found 5/22![Delta logo]()
$365
This Delta deal was found by Cheapflights users on 5/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/308:00 am
STL
- ANC
2 stops15h 07m
Delta
jue. 7/910:10 pm
ANC
- STL
1 stop9h 18m
Delta
Deal found 5/19![Delta logo]()
$370
This Delta deal was found by Cheapflights users on 5/21. 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.
jue. 8/611:13 am
STL
- FAI
2 stops16h 26m
Delta
lun. 8/1710:00 pm
FAI
- STL
1 stop14h 10m
Delta
Deal found 5/21![Delta logo]()
$372
This Delta deal was found by Cheapflights users on 5/21. 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.
vie. 8/78:48 am
STL
- FAI
1 stop15h 01m
Delta
lun. 8/172:42 pm
FAI
- STL
2 stops18h 04m
Delta
Deal found 5/21![Delta logo]()
$372
This Delta deal was found by Cheapflights users on 5/22. 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.
mié. 7/225:36 pm
STL
- FAI
1 stop30h 13m
Delta
lun. 8/31:39 am
FAI
- STL
2 stops20h 02m
Delta
Deal found 5/22![Delta logo]()
$373
This Alaska Airlines deal was found by Cheapflights users on 5/18. 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.
lun. 7/277:56 pm
STL
- JNU
3 stops27h 16m
Alaska Airlines
lun. 8/38:48 pm
JNU
- STL
2 stops24h 11m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$670
This American Airlines deal was found by Cheapflights users on 5/22. 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.
mar. 7/217:56 pm
STL
- JNU
1 stop20h 00m
American Airlines
sáb. 7/256:31 pm
JNU
- STL
2 stops11h 16m
American Airlines
Deal found 5/22![American Airlines logo]()
$686
This Delta deal was found by Cheapflights users on 5/22. 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.
mar. 7/218:00 am
STL
- FAI
2 stops19h 35m
Delta
lun. 8/31:39 am
FAI
- STL
2 stops20h 02m
Delta
Deal found 5/22![Delta logo]()
$377
This Expedia deal was found by Cheapflights users on 5/18. 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.
jue. 8/136:00 am
STL
- JNU
3 stops18h 25m
Alaska Airlines
lun. 8/178:48 pm
JNU
- STL
2 stops16h 49m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$676
This Delta deal was found by Cheapflights users on 5/21. 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.
jue. 8/611:13 am
STL
- FAI
2 stops16h 26m
Delta
dom. 8/1610:00 pm
FAI
- STL
2 stops19h 42m
Delta
Deal found 5/21![Delta logo]()
$377
This American Airlines deal was found by Cheapflights users on 5/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 6/67:41 pm
STL
- KTN
1 stop20h 25m
American Airlines
mié. 6/109:23 am
KTN
- STL
2 stops11h 36m
American Airlines
Deal found 5/21![American Airlines logo]()
$762
This Delta deal was found by Cheapflights users on 5/21. 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.
mié. 8/128:48 am
STL
- FAI
1 stop15h 01m
Delta
mar. 8/182:42 pm
FAI
- STL
2 stops14h 55m
Delta
Deal found 5/21![Delta logo]()
$401
This Alaska Airlines deal was found by Cheapflights users on 5/18. 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.
sáb. 7/45:37 pm
STL
- JNU
3 stops30h 48m
Alaska Airlines
sáb. 7/115:03 am
JNU
- STL
2 stops15h 56m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$816
This Delta deal was found by Cheapflights users on 5/21. 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.
mié. 8/126:30 am
STL
- FAI
2 stops17h 19m
Delta
mié. 8/1910:00 pm
FAI
- STL
2 stops17h 39m
Delta
Deal found 5/21![Delta logo]()
$406
This Expedia deal was found by Cheapflights users on 5/22. 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.
mar. 7/217:56 pm
STL
- JNU
1 stop18h 36m
Alaska Airlines
sáb. 7/258:48 pm
JNU
- STL
1 stop24h 11m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$849
This Alaska Airlines deal was found by Cheapflights users on 5/18. 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.
mar. 6/27:41 pm
STL
- JNU
2 stops28h 46m
Alaska Airlines
sáb. 6/67:19 am
JNU
- STL
2 stops13h 35m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$851
This Delta deal was found by Cheapflights users on 5/21. 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.
dom. 6/2110:20 am
STL
- ANC
1 stop13h 56m
Delta
vie. 6/266:00 am
ANC
- STL
2 stops14h 56m
Delta
Deal found 5/21![Delta logo]()
$470
This Alaska Airlines deal was found by Cheapflights users on 5/21. 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.
sáb. 6/66:00 am
STL
- KTN
1 stop9h 49m
Alaska Airlines
mié. 6/1012:13 pm
KTN
- STL
1 stop8h 46m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$878
This Delta deal was found by Cheapflights users on 5/17. 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.
lun. 7/2710:19 am
STL
- ANC
1 stop14h 01m
Delta
mar. 8/41:32 am
ANC
- STL
2 stops14h 07m
Delta
Deal found 5/17![Delta logo]()
$487
This Alaska Airlines deal was found by Cheapflights users on 5/20. 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.
jue. 6/46:00 am
STL
- KTN
1 stop13h 54m
Alaska Airlines
lun. 6/82:00 pm
KTN
- STL
1 stop6h 54m
Alaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$878
This Delta deal was found by Cheapflights users on 5/20. 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.
lun. 8/38:48 am
STL
- FAI
1 stop15h 01m
Delta
vie. 8/1410:00 pm
FAI
- STL
1 stop9h 23m
Delta
Deal found 5/20![Delta logo]()
$505
This Alaska Airlines deal was found by Cheapflights users on 5/20. 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.
dom. 7/56:02 am
STL
- JNU
3 stops17h 10m
Alaska Airlines
sáb. 7/117:35 am
JNU
- STL
2 stops13h 24m
Alaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$1,048
This Delta deal was found by Cheapflights users on 5/20. 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.
dom. 7/58:00 am
STL
- JNU
2 stops13h 19m
Delta
sáb. 7/117:20 am
JNU
- STL
2 stops11h 43m
Delta
Deal found 5/20![Delta logo]()
$647
Last-minute flights from St. Louis to AlaskaDiscover last-minute flight deals from St. Louis to Alaska. Data last updated mayo 22, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Alaska. Data last updated mayo 22, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/17. 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.
mar. 6/98:00 am
STL
- ANC
1 stop18h 20m
Delta
mié. 6/106:00 am
ANC
- STL
1 stop14h 23m
Delta
Deal found 5/17![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 5/17. 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.
mar. 6/98:00 am
STL
- ANC
1 stop18h 20m
Delta
vie. 6/126:00 am
ANC
- STL
1 stop14h 23m
Delta
Deal found 5/17![Delta logo]()
$365
This Delta deal was found by Cheapflights users on 5/17. 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.
mar. 6/911:13 am
STL
- ANC
2 stops15h 07m
Delta
jue. 6/1112:35 pm
ANC
- STL
1 stop7h 48m
Delta
Deal found 5/17![Delta logo]()
$370
This Delta deal was found by Cheapflights users on 5/17. 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.
mié. 6/106:30 am
STL
- ANC
2 stops17h 22m
Delta
jue. 6/1112:35 pm
ANC
- STL
1 stop7h 48m
Delta
Deal found 5/17![Delta logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 5/20. 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.
sáb. 6/207:56 pm
STL
- ANC
1 stop20h 45m
Alaska Airlines
jue. 6/257:08 pm
ANC
- STL
1 stop20h 49m
Alaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 5/21. 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.
dom. 6/2110:20 am
STL
- ANC
1 stop13h 56m
Delta
vie. 6/2612:35 pm
ANC
- STL
1 stop7h 48m
Delta
Deal found 5/21![Delta logo]()
$434
This Delta deal was found by Cheapflights users on 5/20. 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.
lun. 6/223:57 pm
STL
- ANC
1 stop11h 58m
Delta
vie. 6/266:00 am
ANC
- STL
2 stops15h 43m
Delta
Deal found 5/20![Delta logo]()
$372
This Delta deal was found by Cheapflights users on 5/21. 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.
jue. 6/256:21 am
STL
- FAI
2 stops21h 09m
Delta
mié. 7/19:53 pm
FAI
- STL
1 stop15h 53m
Delta
Deal found 5/21![Delta logo]()
$456
This Delta deal was found by Cheapflights users on 5/21. 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.
jue. 6/256:21 am
STL
- FAI
2 stops21h 09m
Delta
lun. 7/69:53 pm
FAI
- STL
1 stop22h 29m
Delta
Deal found 5/21![Delta logo]()
$457
This Delta deal was found by Cheapflights users on 5/21. 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.
jue. 6/256:21 am
STL
- FAI
2 stops21h 09m
Delta
mié. 7/11:35 am
FAI
- STL
2 stops20h 08m
Delta
Deal found 5/21![Delta logo]()
$461
This Delta deal was found by Cheapflights users on 5/21. 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.
lun. 6/298:00 am
STL
- FAI
2 stops19h 30m
Delta
mié. 7/19:53 pm
FAI
- STL
1 stop15h 53m
Delta
Deal found 5/21![Delta logo]()
$372
This Delta deal was found by Cheapflights users on 5/21. 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.
lun. 6/298:00 am
STL
- FAI
2 stops19h 30m
Delta
lun. 7/69:53 pm
FAI
- STL
1 stop22h 29m
Delta
Deal found 5/21![Delta logo]()
$373
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 mayo 22, 2026.
Search for one-way flight options from St. Louis to Alaska. Find affordable one-way fares based on user searches. Data last updated mayo 22, 2026.
This Delta deal was found by Cheapflights users on 5/18. 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.
mié. 8/127:00 am
STL
- ANC
1 stop15h 02m
Delta
Deal found 5/18![Delta logo]()
$183
This Delta deal was found by Cheapflights users on 5/21. 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.
mié. 6/246:21 am
STL
- FAI
1 stop17h 22m
Delta
Deal found 5/21![Delta logo]()
$183
This Delta deal was found by Cheapflights users on 5/21. 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.
mar. 6/302:28 pm
STL
- FAI
2 stops13h 02m
Delta
Deal found 5/21![Delta logo]()
$189
This Delta deal was found by Cheapflights users on 5/20. 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.
mié. 8/58:00 am
STL
- ANC
2 stops15h 09m
Delta
Deal found 5/20![Delta logo]()
$194
This United Airlines deal was found by Cheapflights users on 5/19. 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.
jue. 8/274:40 pm
STL
- FAI
1 stop9h 19m
United Airlines
Deal found 5/19![United Airlines logo]()
$209
This Delta deal was found by Cheapflights users on 5/22. 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.
lun. 6/153:57 pm
STL
- ANC
1 stop11h 58m
Delta
Deal found 5/22![Delta logo]()
$212
This Delta deal was found by Cheapflights users on 5/18. 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.
mar. 6/911:13 am
STL
- ANC
2 stops15h 07m
Delta
Deal found 5/18![Delta logo]()
$218
This Delta deal was found by Cheapflights users on 5/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/2210:51 am
STL
- FAI
2 stops16h 39m
Delta
Deal found 5/19![Delta logo]()
$218
This Delta deal was found by Cheapflights users on 5/21. 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.
jue. 7/28:00 am
STL
- FAI
2 stops19h 30m
Delta
Deal found 5/21![Delta logo]()
$223
This Alaska Airlines deal was found by Cheapflights users on 5/20. 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.
mié. 8/55:37 pm
STL
- ANC
1 stop30h 01m
Alaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$241
This United Airlines deal was found by Cheapflights users on 5/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/104:40 pm
STL
- ANC
1 stop10h 19m
United Airlines
Deal found 5/20![United Airlines logo]()
$242
This Alaska Airlines deal was found by Cheapflights users on 5/20. 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.
mié. 8/266:08 pm
STL
- FAI
2 stops29h 36m
Alaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$246
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 mayo 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (Delta) |
One-way from | $183 (Delta) |
Popular in | June |
Cheapest in | October |
Average price | $568 |
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 mayo 22, 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
mié. 8/19
11:13 am-9:24 pm
1 stop13h 11m
Anchorage
sáb. 8/29
12:39 am-6:39 pm
1 stop15h 00m
$365
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
lun. 6/22
3:57 pm-12:55 am
1 stop11h 58m
Anchorage
vie. 6/26
12:35 pm-11:23 pm
1 stop7h 48m
$365
Quickest round-trip
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
mié. 8/19
2:10 pm-8:56 pm
1 stop9h 46m
Anchorage
mié. 8/26
10:08 pm-8:37 am
1 stop7h 29m
$365
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
mié. 8/5
5:42 pm-12:59 am
1 stop10h 17m
Anchorage
mar. 8/11
12:39 am-6:39 pm
1 stop15h 00m
$365
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
mar. 6/30
8:00 am-8:07 pm
2 stops15h 07m
Anchorage
jue. 7/9
10:10 pm-10:28 am
1 stop9h 18m
$370
St. LouisFairbanks
STL - FAI
STLFAI
Lambert-St Louis
jue. 8/6
11:13 am-12:39 am
2 stops16h 26m
Fairbanks
lun. 8/17
10:00 pm-3:10 pm
1 stop14h 10m
$372
St. LouisFairbanks
STL - FAI
STLFAI
Lambert-St Louis
vie. 8/7
8:48 am-8:49 pm
1 stop15h 01m
Fairbanks
lun. 8/17
2:42 pm-11:46 am
2 stops18h 04m
$372
St. LouisFairbanks
STL - FAI
STLFAI
Lambert-St Louis
mié. 7/22
5:36 pm-8:49 pm
1 stop30h 13m
Fairbanks
lun. 8/3
1:39 am-12:41 am
2 stops20h 02m
$373
St. LouisFairbanks
STL - FAI
STLFAI
Lambert-St Louis
mar. 7/21
8:00 am-12:35 am
2 stops19h 35m
Fairbanks
lun. 8/3
1:39 am-12:41 am
2 stops20h 02m
$377
St. LouisFairbanks
STL - FAI
STLFAI
Lambert-St Louis
jue. 8/6
11:13 am-12:39 am
2 stops16h 26m
Fairbanks
dom. 8/16
10:00 pm-8:42 pm
2 stops19h 42m
$377
Showing 1-10 of 59 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-KTN
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-ANC
STL-FAI
STL-KTN
STL-JNU
What is the cheapest month to book a flight from St. Louis to Alaska?
Currently, August is the cheapest month in which you can book a flight from St. Louis to Alaska (average of $240). 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?
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 8 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 mayo 22, 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.
Entertainment
7.0
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Entertainment
7.0
Food
7.0
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for St. Louis to Alaska
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Alaska by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Alaska by cabin class
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 mayo 22, 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 mayo 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$348 | Average$531 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$364 | Average$760 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$368 | Average$624 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$384 | Average$670 | FlexibilityNo cancel fee | On-time75% |