$210+ Cheap flights from St. Louis (STL) to Alaska
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ANC
May 11 — May 181
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Alaska with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Alaska
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Cheapest flights from St. Louis to AlaskaExplore the most affordable flight options available from St. Louis to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2026.
Explore the most affordable flight options available from St. Louis to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 11, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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
- ANC
1 stop12h 25m
Alaska Airlines
Tue 5/57:05 am
ANC
- STL
1 stop13h 54m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 4/8. 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 5/611:15 am
STL
- FAI
1 stop11h 27m
United Airlines
Wed 5/138:55 pm
FAI
- STL
1 stop8h 44m
United Airlines
Deal found 4/8![United Airlines logo]()
$420
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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
- ANC
1 stop13h 27m
Alaska Airlines
Tue 5/512:59 am
ANC
- STL
1 stop20h 00m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$421
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 5/275:33 pm
STL
- ANC
2 stops19h 18m
Alaska Airlines
Fri 5/291:10 am
ANC
- STL
2 stops12h 27m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$431
This Delta deal was found by Cheapflights users on 4/8. 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.
Wed 5/67:25 am
STL
- FAI
2 stops20h 15m
Delta
Tue 5/121:40 am
FAI
- STL
2 stops14h 23m
Delta
Deal found 4/8![Delta logo]()
$431
This Delta deal was found by Cheapflights users on 4/7. 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.
Sat 5/26:20 am
STL
- ANC
2 stops11h 13m
Delta
Sat 5/29:15 pm
ANC
- STL
1 stop11h 17m
Delta
Deal found 4/7![Delta logo]()
$438
This United Airlines deal was found by Cheapflights users on 4/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/611:15 am
STL
- ANC
1 stop11h 51m
United Airlines
Sat 5/911:49 pm
ANC
- STL
1 stop10h 24m
United Airlines
Deal found 4/7![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 4/7. 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 5/65:35 pm
STL
- ANC
1 stop30h 14m
Delta
Sat 5/99:59 pm
ANC
- STL
1 stop7h 47m
Delta
Deal found 4/7![Delta logo]()
$440
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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
- ANC
1 stop12h 25m
Alaska Airlines
Sun 5/37:00 am
ANC
- STL
1 stop13h 59m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$445
This Delta deal was found by Cheapflights users on 4/7. 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 4/296:20 am
STL
- ANC
2 stops21h 05m
Delta
Sat 5/29:15 pm
ANC
- STL
2 stops11h 41m
Delta
Deal found 4/7![Delta logo]()
$451
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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.
Sat 5/27:00 am
STL
- FAI
1 stop11h 03m
Alaska Airlines
Tue 5/55:30 am
FAI
- STL
1 stop15h 29m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$465
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Thu 5/711:15 am
STL
- FAI
1 stop11h 27m
United Airlines
Thu 5/148:55 pm
FAI
- STL
1 stop8h 44m
United Airlines
Deal found 4/9![United Airlines logo]()
$472
Best flights from St. Louis to AlaskaDiscover carefully curated flight deals from St. Louis to Alaska that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 11, 2026.
Discover carefully curated flight deals from St. Louis to Alaska that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 11, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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.
Sat 5/27:00 am
STL
- ANC
1 stop17h 43m
Alaska Airlines
Tue 5/56:00 am
ANC
- STL
1 stop14h 59m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$464
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Thu 5/711:15 am
STL
- FAI
1 stop11h 27m
United Airlines
Thu 5/148:55 pm
FAI
- STL
1 stop8h 44m
United Airlines
Deal found 4/9![United Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 4/9. 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 5/78:53 am
STL
- FAI
2 stops18h 42m
Delta
Wed 5/131:40 am
FAI
- STL
2 stops14h 23m
Delta
Deal found 4/9![Delta logo]()
$483
This American Airlines deal was found by Cheapflights users on 4/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:41 pm
STL
- JNU
1 stop15h 58m
American Airlines
Wed 7/85:03 am
JNU
- STL
2 stops11h 48m
American Airlines
Deal found 4/7![American Airlines logo]()
$711
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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.
Sat 5/27:00 am
STL
- FAI
1 stop11h 03m
Alaska Airlines
Tue 5/55:30 am
FAI
- STL
1 stop15h 29m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$465
This Delta deal was found by Cheapflights users on 4/9. 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 5/148:53 am
STL
- ANC
1 stop14h 56m
Delta
Sat 5/306:00 am
ANC
- STL
1 stop14h 21m
Delta
Deal found 4/9![Delta logo]()
$501
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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.
Sun 8/306:00 am
STL
- ANC
1 stop11h 37m
Alaska Airlines
Sun 9/61:35 am
ANC
- STL
1 stop12h 28m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$535
This Delta deal was found by Cheapflights users on 4/9. 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.
Wed 6/1010:20 am
STL
- ANC
1 stop13h 56m
Delta
Fri 6/196:00 am
ANC
- STL
1 stop14h 23m
Delta
Deal found 4/9![Delta logo]()
$535
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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.
Fri 9/113:12 pm
STL
- ANC
1 stop9h 27m
Alaska Airlines
Thu 9/171:57 am
ANC
- STL
1 stop13h 41m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$535
This Delta deal was found by Cheapflights users on 4/6. 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 8/610:19 am
STL
- ANC
1 stop14h 01m
Delta
Sun 8/912:30 am
ANC
- STL
1 stop14h 30m
Delta
Deal found 4/6![Delta logo]()
$535
This Delta deal was found by Cheapflights users on 4/6. 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 8/61:22 pm
STL
- ANC
2 stops15h 07m
Delta
Tue 8/119:55 pm
ANC
- STL
1 stop13h 36m
Delta
Deal found 4/6![Delta logo]()
$540
This American Airlines deal was found by Cheapflights users on 4/6. 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.
Tue 4/219:34 am
STL
- KTN
2 stops13h 13m
American Airlines
Sat 4/259:20 am
KTN
- STL
2 stops10h 39m
American Airlines
Deal found 4/6![American Airlines logo]()
$742
This Delta deal was found by Cheapflights users on 4/9. 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.
Sun 8/28:48 am
STL
- ANC
2 stops14h 20m
Delta
Fri 8/710:10 pm
ANC
- STL
1 stop9h 18m
Delta
Deal found 4/9![Delta logo]()
$540
This American Airlines deal was found by Cheapflights users on 4/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/198:36 am
STL
- KTN
2 stops11h 07m
American Airlines
Tue 6/231:29 pm
KTN
- STL
1 stop7h 30m
American Airlines
Deal found 4/7![American Airlines logo]()
$821
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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.
Fri 5/84:46 pm
STL
- JNU
3 stops30h 19m
Alaska Airlines
Fri 5/157:19 am
JNU
- STL
2 stops13h 35m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$685
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 6/37:41 pm
STL
- JNU
2 stops28h 46m
Alaska Airlines
Wed 7/87:35 am
JNU
- STL
3 stops22h 12m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$785
This Alaska Airlines deal was found by Cheapflights users on 4/9. 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.
Fri 4/247:00 am
STL
- JNU
2 stops17h 27m
Alaska Airlines
Tue 4/287:24 am
JNU
- STL
1 stop13h 35m
Alaska Airlines
Deal found 4/9![Alaska Airlines logo]()
$792
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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.
Fri 6/195:37 pm
STL
- KTN
2 stops20h 40m
Alaska Airlines
Tue 6/235:39 pm
KTN
- STL
3 stops27h 20m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$838
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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.
Tue 4/213:50 pm
STL
- KTN
1 stop19h 21m
Alaska Airlines
Sat 4/259:20 am
KTN
- STL
1 stop11h 39m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$888
This Alaska Airlines deal was found by Cheapflights users on 4/8. 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.
Sat 6/206:02 am
STL
- JNU
1 stop12h 15m
Alaska Airlines
Sat 6/209:10 pm
JNU
- STL
2 stops16h 27m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$956
This deal was found by Cheapflights users on 4/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:02 am
STL
- KTN
1 stop8h 15m
Alaska Airlines
Tue 6/231:29 pm
KTN
- STL
1 stop7h 30m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$1,202
Last-minute flights from St. Louis to AlaskaDiscover last-minute flight deals from St. Louis to Alaska. Data last updated April 11, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Alaska. Data last updated April 11, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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
- ANC
1 stop12h 25m
Alaska Airlines
Tue 5/57:05 am
ANC
- STL
1 stop13h 54m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$419
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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
- ANC
1 stop13h 27m
Alaska Airlines
Tue 5/512:59 am
ANC
- STL
1 stop20h 00m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$421
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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
- ANC
1 stop12h 25m
Alaska Airlines
Sun 5/37:00 am
ANC
- STL
1 stop13h 59m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$445
This Delta deal was found by Cheapflights users on 4/7. 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 4/296:20 am
STL
- ANC
2 stops21h 05m
Delta
Sat 5/29:15 pm
ANC
- STL
2 stops11h 41m
Delta
Deal found 4/7![Delta logo]()
$451
This Delta deal was found by Cheapflights users on 4/7. 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.
Sat 5/26:20 am
STL
- ANC
2 stops11h 13m
Delta
Sat 5/29:15 pm
ANC
- STL
1 stop11h 17m
Delta
Deal found 4/7![Delta logo]()
$438
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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.
Sat 5/27:00 am
STL
- FAI
1 stop11h 03m
Alaska Airlines
Tue 5/55:30 am
FAI
- STL
1 stop15h 29m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$465
This United Airlines deal was found by Cheapflights users on 4/8. 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 5/611:15 am
STL
- FAI
1 stop11h 27m
United Airlines
Wed 5/138:55 pm
FAI
- STL
1 stop8h 44m
United Airlines
Deal found 4/8![United Airlines logo]()
$420
This Delta deal was found by Cheapflights users on 4/8. 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.
Wed 5/67:25 am
STL
- FAI
2 stops20h 15m
Delta
Tue 5/121:40 am
FAI
- STL
2 stops14h 23m
Delta
Deal found 4/8![Delta logo]()
$431
This United Airlines deal was found by Cheapflights users on 4/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/611:15 am
STL
- ANC
1 stop11h 51m
United Airlines
Sat 5/911:49 pm
ANC
- STL
1 stop10h 24m
United Airlines
Deal found 4/7![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 4/7. 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 5/65:35 pm
STL
- ANC
1 stop30h 14m
Delta
Sat 5/99:59 pm
ANC
- STL
1 stop7h 47m
Delta
Deal found 4/7![Delta logo]()
$440
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Thu 5/711:15 am
STL
- FAI
1 stop11h 27m
United Airlines
Thu 5/148:55 pm
FAI
- STL
1 stop8h 44m
United Airlines
Deal found 4/9![United Airlines logo]()
$472
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 5/275:33 pm
STL
- ANC
2 stops19h 18m
Alaska Airlines
Fri 5/291:10 am
ANC
- STL
2 stops12h 27m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$431
One-way flights from St. Louis to AlaskaSearch for one-way flight options from St. Louis to Alaska. Find affordable one-way fares based on user searches. Data last updated April 11, 2026.
Search for one-way flight options from St. Louis to Alaska. Find affordable one-way fares based on user searches. Data last updated April 11, 2026.
This Delta deal was found by Cheapflights users on 4/6. 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 5/304:00 pm
STL
- ANC
1 stop11h 56m
Delta
Deal found 4/6![Delta logo]()
$210
This Delta deal was found by Cheapflights users on 4/9. 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 5/266:45 am
STL
- ANC
2 stops20h 46m
Delta
Deal found 4/9![Delta logo]()
$216
This Delta deal was found by Cheapflights users on 4/10. 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.
Tue 6/95:42 pm
STL
- ANC
1 stop10h 41m
Delta
Deal found 4/10![Delta logo]()
$220
This Delta deal was found by Cheapflights users on 4/11. Clicking the “Pick Dates” 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 5/236:00 am
STL
- ANC
2 stops21h 56m
Delta
Deal found 4/11![Delta logo]()
$231
This Delta deal was found by Cheapflights users on 4/9. 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.
Mon 5/256:45 am
STL
- ANC
1 stop16h 31m
Delta
Deal found 4/9![Delta logo]()
$236
This Delta deal was found by Cheapflights users on 4/9. 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.
Sun 5/2411:25 am
STL
- ANC
2 stops14h 10m
Delta
Deal found 4/9![Delta logo]()
$242
This American Airlines deal was found by Cheapflights users on 4/8. 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.
Mon 6/86:00 am
STL
- ANC
1 stop17h 47m
American Airlines
Deal found 4/8![American Airlines logo]()
$246
This Delta deal was found by Cheapflights users on 4/7. 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.
Mon 6/81:59 pm
STL
- ANC
2 stops14h 24m
Delta
Deal found 4/7![Delta logo]()
$252
This American Airlines deal was found by Cheapflights users on 4/6. 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.
Wed 8/127:23 am
STL
- ANC
1 stop16h 27m
American Airlines
Deal found 4/6![American Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 4/10. 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.
Wed 8/2611:51 am
STL
- FAI
2 stops15h 15m
Delta
Deal found 4/10![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 4/9. 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.
Wed 6/108:00 am
STL
- JNU
2 stops13h 19m
Delta
Deal found 4/9![Delta logo]()
$267
This American Airlines deal was found by Cheapflights users on 4/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/812:27 pm
STL
- JNU
2 stops14h 21m
American Airlines
Deal found 4/7![American Airlines logo]()
$272
Find flight deals from St. Louis to Alaska
Keep the following information in mind while searching for St. Louis to Alaska flight deals. Data was last updated April 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $419 (Alaska Airlines) |
One-way from | $210 (Delta) |
Popular in | July |
Cheapest in | October |
Average price | $480 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Alaska that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 11, 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
Sat 5/2
7:00 am-9:43 pm
1 stop17h 43m
Anchorage
Tue 5/5
6:00 am-11:59 pm
1 stop14h 59m
$464
St. LouisFairbanks
STL - FAI
STLFAI
Lambert-St Louis
Sat 5/2
7:00 am-3:03 pm
1 stop11h 03m
Fairbanks
Tue 5/5
5:30 am-11:59 pm
1 stop15h 29m
$465
St. LouisFairbanks
STL - FAI
STLFAI
Lambert-St Louis
Thu 5/7
11:15 am-7:42 pm
1 stop11h 27m
Fairbanks
Thu 5/14
8:55 pm-8:39 am
1 stop8h 44m
$472
St. LouisFairbanks
STL - FAI
STLFAI
Lambert-St Louis
Thu 5/7
8:53 am-12:35 am
2 stops18h 42m
Fairbanks
Wed 5/13
1:40 am-7:03 pm
2 stops14h 23m
$483
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Thu 5/14
8:53 am-8:49 pm
1 stop14h 56m
Anchorage
Sat 5/30
6:00 am-11:21 pm
1 stop14h 21m
$501
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Sun 8/30
6:00 am-2:37 pm
1 stop11h 37m
Anchorage
Sun 9/6
1:35 am-5:03 pm
1 stop12h 28m
$535
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Wed 6/10
10:20 am-9:16 pm
1 stop13h 56m
Anchorage
Fri 6/19
6:00 am-11:23 pm
1 stop14h 23m
$535
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Fri 9/11
3:12 pm-9:39 pm
1 stop9h 27m
Anchorage
Thu 9/17
1:57 am-6:38 pm
1 stop13h 41m
$535
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Thu 8/6
10:19 am-9:20 pm
1 stop14h 01m
Anchorage
Sun 8/9
12:30 am-6:00 pm
1 stop14h 30m
$535
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Thu 8/6
1:22 pm-1:29 am
2 stops15h 07m
Anchorage
Tue 8/11
9:55 pm-2:31 pm
1 stop13h 36m
$540
Showing 1-10 of 51 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 $300). 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.
How much does it cost to fly round-trip from St. Louis to Alaska?
Reviews of airlines servicing Alaska
Get insights into the airlines that provide service to Alaska. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Alaska. Reviews last updated April 11, 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.
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Boarding
8.1
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Alaska. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Alaska
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Complete your trip
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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 April 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
St. Louis to Alaska flights
Consider these flights traveling from St. Louis to Alaska.
Top 4 airlines flying from St. Louis to Alaska
Discover the top 4 airlines that operate flights from St. Louis to Alaska. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$295 | Average$559 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$364 | Average$760 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$368 | Average$669 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$384 | Average$679 | FlexibilityNo cancel fee | On-time75% |