$193+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ANC
Aug 20 — Aug 271
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 July 21, 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 July 21, 2026.
This Delta deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:15 am
STL
- ANC
1 stop13h 59m
Delta
Fri 9/256:00 am
ANC
- STL
1 stop14h 16m
Delta
Deal found 7/16![Delta logo]()
$385
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Sun 9/206:29 am
STL
- FAI
1 stop19h 17m
Alaska Airlines
Thu 10/18:30 am
FAI
- STL
1 stop12h 29m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$386
This Expedia deal was found by Cheapflights users on 7/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:02 am
STL
- ANC
1 stop19h 20m
Alaska Airlines
Tue 8/254:08 pm
ANC
- STL
1 stop22h 02m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$387
This Alaska Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 9/236:29 am
STL
- FAI
1 stop19h 17m
Alaska Airlines
Wed 9/304:08 pm
FAI
- STL
1 stop28h 51m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 7/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:36 pm
STL
- ANC
2 stops13h 39m
Alaska Airlines
Fri 9/187:07 am
ANC
- STL
1 stop13h 52m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$389
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Sat 9/266:08 pm
STL
- FAI
2 stops19h 57m
Alaska Airlines
Sun 9/279:44 pm
FAI
- STL
2 stops23h 15m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$389
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 8/266:08 pm
STL
- ANC
2 stops18h 54m
Alaska Airlines
Tue 9/13:59 pm
ANC
- STL
1 stop19h 05m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$390
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 9/236:29 am
STL
- FAI
1 stop11h 40m
Alaska Airlines
Sun 9/279:44 pm
FAI
- STL
2 stops23h 15m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$390
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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 9/106:08 pm
STL
- ANC
1 stop9h 22m
Alaska Airlines
Mon 9/211:29 am
ANC
- STL
2 stops12h 41m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$392
This Delta deal was found by Cheapflights users on 7/19. 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.
Thu 9/105:46 pm
STL
- ANC
2 stops26h 28m
Delta
Sat 9/266:00 am
ANC
- STL
1 stop7h 47m
Delta
Deal found 7/19![Delta logo]()
$393
This Delta deal was found by Cheapflights users on 7/19. 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.
Thu 9/105:46 pm
STL
- ANC
2 stops26h 28m
Delta
Thu 9/2410:10 pm
ANC
- STL
1 stop22h 06m
Delta
Deal found 7/19![Delta logo]()
$394
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Sat 9/266:08 pm
STL
- FAI
2 stops22h 03m
Alaska Airlines
Wed 9/304:08 pm
FAI
- STL
1 stop28h 51m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$394
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 July 21, 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 July 21, 2026.
This Delta deal was found by Cheapflights users on 7/19. 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.
Fri 9/1111:21 am
STL
- ANC
1 stop12h 39m
Delta
Fri 9/186:00 am
ANC
- STL
1 stop14h 16m
Delta
Deal found 7/19![Delta logo]()
$385
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 8/266:08 pm
STL
- ANC
1 stop19h 10m
Alaska Airlines
Tue 9/15:00 am
ANC
- STL
1 stop9h 10m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$385
This United Airlines deal was found by Cheapflights users on 7/19. 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.
Thu 10/111:35 am
STL
- ANC
1 stop11h 22m
United Airlines
Tue 10/1311:45 pm
ANC
- STL
2 stops12h 36m
United Airlines
Deal found 7/19![United Airlines logo]()
$392
This American Airlines deal was found by Cheapflights users on 7/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:00 am
STL
- JNU
2 stops17h 35m
American Airlines
Sat 11/76:34 pm
JNU
- STL
2 stops13h 03m
American Airlines
Deal found 7/18![American Airlines logo]()
$521
This Delta deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/272:32 pm
STL
- ANC
1 stop11h 52m
Delta
Mon 8/3112:54 pm
ANC
- STL
1 stop7h 32m
Delta
Deal found 7/16![Delta logo]()
$385
This Alaska Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 9/236:29 am
STL
- FAI
1 stop19h 17m
Alaska Airlines
Wed 9/304:08 pm
FAI
- STL
1 stop28h 51m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 7/19. 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.
Tue 8/114:40 pm
STL
- FAI
1 stop9h 19m
United Airlines
Mon 8/241:00 am
FAI
- STL
1 stop8h 40m
United Airlines
Deal found 7/19![United Airlines logo]()
$426
This Delta deal was found by Cheapflights users on 7/18. 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.
Fri 9/1111:21 am
STL
- ANC
2 stops16h 06m
Delta
Fri 9/256:00 am
ANC
- STL
1 stop14h 16m
Delta
Deal found 7/18![Delta logo]()
$390
This Expedia deal was found by Cheapflights users on 7/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:56 pm
STL
- ANC
1 stop17h 41m
Alaska Airlines
Tue 8/187:08 pm
ANC
- STL
2 stops19h 02m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$390
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Sun 9/206:29 am
STL
- FAI
2 stops20h 24m
Alaska Airlines
Thu 10/18:30 am
FAI
- STL
1 stop12h 29m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$392
This Delta deal was found by Cheapflights users on 7/20. 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 8/1810:33 am
STL
- ANC
2 stops15h 51m
Delta
Mon 8/241:32 am
ANC
- STL
2 stops14h 23m
Delta
Deal found 7/20![Delta logo]()
$407
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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.
Sun 9/206:29 am
STL
- FAI
2 stops17h 11m
Alaska Airlines
Sun 9/271:28 am
FAI
- STL
1 stop19h 31m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$392
This Delta deal was found by Cheapflights users on 7/18. 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.
Tue 8/258:48 am
STL
- FAI
1 stop15h 01m
Delta
Wed 9/22:42 pm
FAI
- STL
2 stops14h 55m
Delta
Deal found 7/18![Delta logo]()
$410
This Alaska Airlines deal was found by Cheapflights users on 7/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:08 pm
STL
- FAI
2 stops21h 45m
Alaska Airlines
Mon 9/214:08 pm
FAI
- STL
2 stops22h 02m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 7/20. 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 8/308:00 am
STL
- ANC
2 stops15h 12m
Delta
Mon 9/710:30 pm
ANC
- STL
1 stop13h 44m
Delta
Deal found 7/20![Delta logo]()
$419
This Alaska Airlines deal was found by Cheapflights users on 7/18. 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.
Tue 8/256:08 pm
STL
- FAI
2 stops29h 32m
Alaska Airlines
Wed 9/29:00 am
FAI
- STL
2 stops29h 10m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$420
This Delta deal was found by Cheapflights users on 7/17. 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.
Sun 8/308:00 am
STL
- JNU
2 stops13h 16m
Delta
Mon 9/77:35 am
JNU
- STL
2 stops14h 06m
Delta
Deal found 7/17![Delta logo]()
$447
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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 8/115:37 pm
STL
- FAI
2 stops33h 22m
Alaska Airlines
Tue 8/255:10 am
FAI
- STL
2 stops10h 28m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$423
This Delta deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/198:00 am
STL
- JNU
2 stops13h 16m
Delta
Wed 9/27:35 am
JNU
- STL
2 stops12h 46m
Delta
Deal found 7/16![Delta logo]()
$447
This Alaska Airlines deal was found by Cheapflights users on 7/20. 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 8/196:08 pm
STL
- JNU
2 stops20h 27m
Alaska Airlines
Wed 9/95:03 am
JNU
- STL
1 stop10h 35m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$542
This Delta deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/108:00 am
STL
- JNU
2 stops13h 16m
Delta
Fri 8/147:35 am
JNU
- STL
2 stops14h 06m
Delta
Deal found 7/16![Delta logo]()
$551
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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 8/196:08 pm
STL
- JNU
2 stops20h 27m
Alaska Airlines
Wed 9/212:30 pm
JNU
- STL
1 stop27h 08m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$546
This Alaska Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:00 am
STL
- JNU
2 stops17h 29m
Alaska Airlines
Thu 10/227:13 am
JNU
- STL
2 stops13h 46m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$568
This Alaska Airlines deal was found by Cheapflights users on 7/20. 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.
Sun 8/307:36 pm
STL
- JNU
2 stops28h 50m
Alaska Airlines
Mon 9/79:48 am
JNU
- STL
3 stops25h 33m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$611
This Expedia deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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.
Mon 10/267:00 am
STL
- KTN
3 stops32h 10m
Alaska Airlines
Sat 10/315:54 pm
KTN
- STL
3 stops28h 02m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$738
This Alaska Airlines deal was found by Cheapflights users on 7/20. 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.
Mon 11/27:00 am
STL
- KTN
1 stop15h 35m
Alaska Airlines
Wed 11/412:58 pm
KTN
- STL
2 stops26h 17m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$773
Last-minute flights from St. Louis to AlaskaDiscover last-minute flight deals from St. Louis to Alaska. Data last updated July 21, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Alaska. Data last updated July 21, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/18. 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.
Sun 8/910:33 am
STL
- ANC
1 stop13h 47m
Delta
Sat 10/311:33 am
ANC
- STL
2 stops11h 12m
Delta
Deal found 7/18![Delta logo]()
$392
This Orbitz deal was found by Cheapflights users on 7/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:37 pm
STL
- FAI
1 stop10h 18m
Alaska Airlines
Mon 8/241:28 am
FAI
- STL
1 stop14h 10m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$411
This Delta deal was found by Cheapflights users on 7/20. 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 8/1211:13 am
STL
- ANC
1 stop12h 47m
Delta
Tue 8/188:15 am
ANC
- STL
2 stops13h 26m
Delta
Deal found 7/20![Delta logo]()
$402
This Mytrip deal was found by Cheapflights users on 7/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:56 pm
STL
- FAI
1 stop9h 19m
Alaska Airlines
Mon 8/248:01 am
FAI
- STL
1 stop12h 58m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$386
This Expedia deal was found by Cheapflights users on 7/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:02 am
STL
- ANC
1 stop19h 20m
Alaska Airlines
Tue 8/254:08 pm
ANC
- STL
1 stop22h 02m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$387
This CheapOair deal was found by Cheapflights users on 7/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:36 pm
STL
- ANC
2 stops13h 39m
Alaska Airlines
Thu 8/275:07 am
ANC
- STL
1 stop15h 52m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Fri 8/214:40 pm
STL
- ANC
1 stop10h 19m
United Airlines
Mon 8/3111:09 pm
ANC
- STL
1 stop10h 31m
United Airlines
Deal found 7/20![United Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 7/18. 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.
Tue 8/258:48 am
STL
- FAI
1 stop15h 01m
Delta
Wed 9/22:42 pm
FAI
- STL
2 stops14h 55m
Delta
Deal found 7/18![Delta logo]()
$410
This Alaska Airlines deal was found by Cheapflights users on 7/18. 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.
Tue 8/256:08 pm
STL
- FAI
2 stops29h 32m
Alaska Airlines
Wed 9/29:00 am
FAI
- STL
2 stops29h 10m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$420
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 8/266:08 pm
STL
- ANC
1 stop19h 10m
Alaska Airlines
Tue 9/15:00 am
ANC
- STL
1 stop9h 10m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/269:15 am
STL
- ANC
2 stops15h 05m
Delta
Mon 8/3112:39 am
ANC
- STL
1 stop9h 59m
Delta
Deal found 7/16![Delta logo]()
$390
This Delta deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/306:00 am
STL
- ANC
1 stop16h 00m
Delta
Mon 9/710:30 pm
ANC
- STL
1 stop13h 44m
Delta
Deal found 7/16![Delta logo]()
$414
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 July 21, 2026.
Search for one-way flight options from St. Louis to Alaska. Find affordable one-way fares based on user searches. Data last updated July 21, 2026.
This Delta deal was found by Cheapflights users on 7/17. 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.
Wed 8/125:34 pm
STL
- ANC
1 stop10h 25m
Delta
Deal found 7/17![Delta logo]()
$193
This United Airlines deal was found by Cheapflights users on 7/17. 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.
Fri 8/74:48 pm
STL
- FAI
1 stop9h 11m
United Airlines
Deal found 7/17![United Airlines logo]()
$193
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 8/127:56 pm
STL
- ANC
2 stops17h 06m
Alaska Airlines
Deal found 7/21![Alaska Airlines logo]()
$199
This Alaska Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/266:08 pm
STL
- FAI
2 stops29h 38m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$199
This Alaska Airlines deal was found by Cheapflights users on 7/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:56 pm
STL
- ANC
1 stop15h 44m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$222
This Alaska Airlines deal was found by Cheapflights users on 7/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/57:56 pm
STL
- ANC
1 stop9h 44m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/58:48 am
STL
- ANC
2 stops14h 24m
Delta
Deal found 7/16![Delta logo]()
$304
This Alaska Airlines deal was found by Cheapflights users on 7/20. 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.
Sun 7/266:02 am
STL
- ANC
2 stops21h 23m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/284:48 pm
STL
- FAI
1 stop9h 11m
United Airlines
Deal found 7/16![United Airlines logo]()
$323
This Priceline deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:02 am
STL
- FAI
2 stops20h 57m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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.
Wed 8/266:35 am
STL
- FAI
1 stop22h 13m
American Airlines
Deal found 7/16![American Airlines logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 7/20. 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 8/15:37 pm
STL
- FAI
1 stop10h 18m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$368
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 July 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $385 (Delta) |
One-way from | $193 (Delta) |
Popular in | June |
Cheapest in | October |
Average price | $653 |
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 July 21, 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 9/11
11:21 am-9:00 pm
1 stop12h 39m
Anchorage
Fri 9/18
6:00 am-11:16 pm
1 stop14h 16m
$385
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Wed 8/26
6:08 pm-10:18 am
1 stop19h 10m
Anchorage
Tue 9/1
5:00 am-5:10 pm
1 stop9h 10m
$385
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Thu 8/27
2:32 pm-11:24 pm
1 stop11h 52m
Anchorage
Mon 8/31
12:54 pm-11:26 pm
1 stop7h 32m
$385
St. LouisFairbanks
STL - FAI
STLFAI
Lambert-St Louis
Wed 9/23
6:29 am-10:46 pm
1 stop19h 17m
Fairbanks
Wed 9/30
4:08 pm-11:59 pm
1 stop28h 51m
$388
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Fri 9/11
11:21 am-12:27 am
2 stops16h 06m
Anchorage
Fri 9/25
6:00 am-11:16 pm
1 stop14h 16m
$390
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Wed 8/12
7:56 pm-10:37 am
1 stop17h 41m
Anchorage
Tue 8/18
7:08 pm-5:10 pm
2 stops19h 02m
$390
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Thu 10/1
11:35 am-7:57 pm
1 stop11h 22m
Anchorage
Tue 10/13
11:45 pm-3:21 pm
2 stops12h 36m
$392
St. LouisFairbanks
STL - FAI
STLFAI
Lambert-St Louis
Sun 9/20
6:29 am-11:53 pm
2 stops20h 24m
Fairbanks
Thu 10/1
8:30 am-11:59 pm
1 stop12h 29m
$392
St. LouisFairbanks
STL - FAI
STLFAI
Lambert-St Louis
Sun 9/20
6:29 am-8:40 pm
2 stops17h 11m
Fairbanks
Sun 9/27
1:28 am-11:59 pm
1 stop19h 31m
$392
St. LouisFairbanks
STL - FAI
STLFAI
Lambert-St Louis
Wed 9/9
6:08 pm-12:53 pm
2 stops21h 45m
Fairbanks
Mon 9/21
4:08 pm-5:10 pm
2 stops22h 02m
$397
Showing 1-10 of 39 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, January is the cheapest month in which you can book a flight from St. Louis to Alaska (average of $439). Flying from St. Louis to Alaska in June is currently the most expensive (average of $673). 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 71 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 July 21, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from St. Louis to Alaska by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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 July 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to Alaska flights
Consider these flights traveling from St. Louis to Alaska.
Top 5 airlines flying from St. Louis to Alaska
Discover the top 5 airlines that operate flights from St. Louis to Alaska. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$295 | Average$665 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$364 | Average$534 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$368 | Average$692 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$384 | Average$592 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$524 | Average$703 | FlexibilityNo cancel fee | On-time63% |