$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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ANC
Jul 23 — Jul 301
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 June 23, 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 June 23, 2026.
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:13 am
STL
- ANC
1 stop12h 47m
Delta
Mon 8/316:00 am
ANC
- STL
1 stop14h 26m
Delta
Deal found 6/23![Delta logo]()
$365
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:48 am
STL
- FAI
1 stop15h 01m
Delta
Wed 8/2610:00 pm
FAI
- STL
1 stop7h 37m
Delta
Deal found 6/23![Delta logo]()
$366
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:20 am
STL
- FAI
1 stop17h 29m
Delta
Mon 8/3110:00 pm
FAI
- STL
1 stop22h 26m
Delta
Deal found 6/23![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 6/21. 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.
Sat 8/85:00 pm
STL
- ANC
1 stop9h 24m
Delta
Thu 8/131:32 am
ANC
- STL
2 stops14h 23m
Delta
Deal found 6/21![Delta logo]()
$372
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:00 am
STL
- FAI
2 stops20h 34m
Delta
Mon 8/3110:00 pm
FAI
- STL
1 stop22h 26m
Delta
Deal found 6/23![Delta logo]()
$373
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:45 pm
STL
- FAI
2 stops31h 49m
Delta
Sun 8/3010:00 pm
FAI
- STL
1 stop7h 37m
Delta
Deal found 6/22![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:45 pm
STL
- FAI
2 stops31h 49m
Delta
Tue 9/110:00 pm
FAI
- STL
1 stop22h 26m
Delta
Deal found 6/22![Delta logo]()
$375
This Expedia deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:56 pm
STL
- ANC
2 stops15h 24m
Alaska Airlines
Tue 8/251:29 am
ANC
- STL
2 stops12h 41m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$376
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:45 pm
STL
- FAI
2 stops31h 49m
Delta
Thu 8/271:39 am
FAI
- STL
2 stops14h 16m
Delta
Deal found 6/22![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:48 am
STL
- FAI
1 stop15h 01m
Delta
Sat 8/2910:00 pm
FAI
- STL
1 stop7h 37m
Delta
Deal found 6/23![Delta logo]()
$395
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/53:50 pm
STL
- ANC
1 stop12h 09m
Delta
Tue 8/111:32 am
ANC
- STL
2 stops14h 23m
Delta
Deal found 6/22![Delta logo]()
$401
This Delta deal was found by Cheapflights users on 6/22. 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.
Thu 8/208:48 am
STL
- FAI
1 stop15h 01m
Delta
Thu 8/271:39 am
FAI
- STL
2 stops14h 16m
Delta
Deal found 6/22![Delta logo]()
$401
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 June 23, 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 June 23, 2026.
This United Airlines deal was found by Cheapflights users on 6/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:40 pm
STL
- ANC
1 stop10h 19m
United Airlines
Tue 9/18:15 pm
ANC
- STL
2 stops12h 47m
United Airlines
Deal found 6/18![United Airlines logo]()
$372
This Alaska Airlines deal was found by Cheapflights users on 6/19. 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.
Sun 8/306:08 pm
STL
- ANC
1 stop19h 10m
Alaska Airlines
Mon 9/76:17 pm
ANC
- STL
2 stops19h 53m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 6/22. 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.
Sat 8/226:20 am
STL
- FAI
1 stop17h 29m
Delta
Mon 8/3110:00 pm
FAI
- STL
2 stops17h 27m
Delta
Deal found 6/22![Delta logo]()
$372
This American Airlines deal was found by Cheapflights users on 6/21. 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.
Mon 8/318:36 am
STL
- KTN
2 stops13h 57m
American Airlines
Fri 9/411:53 am
KTN
- STL
1 stop23h 13m
American Airlines
Deal found 6/21![American Airlines logo]()
$673
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:08 pm
STL
- ANC
1 stop19h 10m
Alaska Airlines
Tue 9/11:29 am
ANC
- STL
2 stops12h 41m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 6/18. 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 8/2511:13 am
STL
- ANC
2 stops15h 11m
Delta
Tue 9/16:00 am
ANC
- STL
2 stops14h 21m
Delta
Deal found 6/18![Delta logo]()
$377
This Delta deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/85:34 pm
STL
- ANC
1 stop10h 25m
Delta
Thu 8/1312:39 am
ANC
- STL
1 stop15h 16m
Delta
Deal found 6/20![Delta logo]()
$394
This Delta deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/212:32 pm
STL
- FAI
2 stops13h 02m
Delta
Sat 8/2910:00 pm
FAI
- STL
1 stop7h 37m
Delta
Deal found 6/21![Delta logo]()
$401
This Alaska Airlines deal was found by Cheapflights users on 6/21. 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.
Fri 8/77:56 pm
STL
- FAI
1 stop9h 19m
Alaska Airlines
Mon 8/1012:39 am
FAI
- STL
1 stop12h 58m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 6/22. 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.
Sun 8/306:00 am
STL
- ANC
1 stop16h 00m
Delta
Mon 9/710:30 pm
ANC
- STL
1 stop13h 44m
Delta
Deal found 6/22![Delta logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 6/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:56 pm
STL
- FAI
1 stop9h 19m
Alaska Airlines
Sun 8/1612:39 am
FAI
- STL
2 stops13h 58m
Alaska Airlines
Deal found 6/20![Alaska Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:00 am
STL
- ANC
2 stops15h 12m
Delta
Thu 9/106:12 am
ANC
- STL
2 stops14h 04m
Delta
Deal found 6/23![Delta logo]()
$434
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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.
Wed 9/236:29 am
STL
- FAI
1 stop11h 40m
Alaska Airlines
Wed 9/304:08 pm
FAI
- STL
1 stop19h 13m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$490
This Alaska Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:36 pm
STL
- FAI
1 stop9h 12m
Alaska Airlines
Fri 8/281:28 am
FAI
- STL
2 stops12h 42m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$520
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:25 pm
STL
- FAI
2 stops29h 24m
Delta
Wed 8/2610:00 pm
FAI
- STL
1 stop7h 37m
Delta
Deal found 6/23![Delta logo]()
$481
This Alaska Airlines deal was found by Cheapflights users on 6/21. 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.
Mon 7/208:01 am
STL
- FAI
2 stops18h 17m
Alaska Airlines
Sun 7/2612:39 am
FAI
- STL
2 stops28h 52m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$543
This Delta deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/72:32 pm
STL
- FAI
2 stops13h 02m
Delta
Sun 8/161:39 am
FAI
- STL
2 stops14h 16m
Delta
Deal found 6/21![Delta logo]()
$526
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/174:40 pm
STL
- JNU
2 stops31h 49m
Alaska Airlines
Wed 10/217:13 am
JNU
- STL
2 stops13h 46m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$601
This Delta deal was found by Cheapflights users on 6/20. 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 7/56:00 am
STL
- JNU
2 stops15h 19m
Delta
Thu 7/97:20 am
JNU
- STL
2 stops13h 33m
Delta
Deal found 6/20![Delta logo]()
$637
This Alaska Airlines deal was found by Cheapflights users on 6/20. 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.
Tue 9/296:29 am
STL
- JNU
2 stops17h 57m
Alaska Airlines
Thu 10/17:17 am
JNU
- STL
2 stops13h 42m
Alaska Airlines
Deal found 6/20![Alaska Airlines logo]()
$664
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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 9/2912:46 pm
STL
- KTN
2 stops22h 34m
Alaska Airlines
Wed 9/305:31 pm
KTN
- STL
1 stop17h 50m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$775
Last-minute flights from St. Louis to AlaskaDiscover last-minute flight deals from St. Louis to Alaska. Data last updated June 23, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Alaska. Data last updated June 23, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:00 am
STL
- FAI
2 stops21h 30m
Delta
Mon 7/131:35 am
FAI
- STL
2 stops20h 06m
Delta
Deal found 6/23![Delta logo]()
$507
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:36 pm
STL
- FAI
1 stop30h 07m
Delta
Mon 7/131:35 am
FAI
- STL
2 stops20h 06m
Delta
Deal found 6/23![Delta logo]()
$504
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Fri 7/312:55 pm
STL
- ANC
1 stop11h 26m
United Airlines
Wed 7/1511:59 pm
ANC
- STL
1 stop9h 12m
United Airlines
Deal found 6/19![United Airlines logo]()
$515
This Delta deal was found by Cheapflights users on 6/19. 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 7/32:28 pm
STL
- FAI
2 stops13h 02m
Delta
Sat 7/119:59 pm
FAI
- STL
1 stop7h 47m
Delta
Deal found 6/19![Delta logo]()
$531
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:18 am
STL
- FAI
1 stop12h 25m
Delta
Mon 7/131:35 am
FAI
- STL
2 stops19h 18m
Delta
Deal found 6/23![Delta logo]()
$502
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/65:10 am
STL
- ANC
1 stop9h 00m
United Airlines
Mon 7/1311:59 pm
ANC
- STL
1 stop9h 12m
United Airlines
Deal found 6/22![United Airlines logo]()
$470
This Southwest deal was found by Cheapflights users on 6/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/62:15 pm
STL
- ANC
2 stops11h 30m
Southwest
Mon 7/1310:25 pm
ANC
- STL
1 stop9h 20m
Southwest
Deal found 6/22![Southwest logo]()
$475
This Delta deal was found by Cheapflights users on 6/20. 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.
Mon 7/1310:19 am
STL
- ANC
1 stop14h 01m
Delta
Tue 7/141:30 am
ANC
- STL
2 stops14h 30m
Delta
Deal found 6/20![Delta logo]()
$511
This United Airlines deal was found by Cheapflights users on 6/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/204:48 pm
STL
- FAI
1 stop9h 11m
United Airlines
Mon 7/278:45 pm
FAI
- STL
1 stop8h 54m
United Airlines
Deal found 6/21![United Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 6/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/202:30 pm
STL
- FAI
2 stops13h 00m
Delta
Mon 7/279:59 pm
FAI
- STL
1 stop14h 14m
Delta
Deal found 6/21![Delta logo]()
$510
This Alaska Airlines deal was found by Cheapflights users on 6/21. 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.
Mon 7/208:01 am
STL
- FAI
2 stops18h 17m
Alaska Airlines
Sun 7/2612:39 am
FAI
- STL
2 stops28h 52m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$543
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/214:48 pm
STL
- FAI
1 stop9h 11m
United Airlines
Tue 7/288:45 pm
FAI
- STL
1 stop9h 04m
United Airlines
Deal found 6/22![United Airlines logo]()
$555
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 June 23, 2026.
Search for one-way flight options from St. Louis to Alaska. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/21. 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 8/57:56 pm
STL
- ANC
1 stop19h 04m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$183
This Delta deal was found by Cheapflights users on 6/21. 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.
Wed 8/511:13 am
STL
- ANC
2 stops15h 42m
Delta
Deal found 6/21![Delta logo]()
$189
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:00 am
STL
- ANC
2 stops15h 12m
Delta
Deal found 6/23![Delta logo]()
$194
This Alaska Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:08 pm
STL
- FAI
2 stops29h 47m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$196
This United Airlines deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:00 am
STL
- ANC
2 stops16h 29m
United Airlines
Deal found 6/22![United Airlines logo]()
$234
This American Airlines deal was found by Cheapflights users on 6/21. 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.
Fri 7/242:46 pm
STL
- ANC
1 stop12h 13m
American Airlines
Deal found 6/21![American Airlines logo]()
$267
This Delta deal was found by Cheapflights users on 6/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/298:49 am
STL
- ANC
1 stop12h 52m
Delta
Deal found 6/22![Delta logo]()
$288
This Alaska Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/297:56 pm
STL
- ANC
2 stops17h 06m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$294
This Priceline deal was found by Cheapflights users on 6/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:56 pm
STL
- ANC
1 stop27h 38m
Alaska Airlines
Deal found 6/20![Alaska Airlines logo]()
$298
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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.
Wed 7/16:02 am
STL
- ANC
2 stops21h 23m
Alaska Airlines
Deal found 6/18![Alaska Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 6/21. 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.
Fri 7/245:13 pm
STL
- FAI
2 stops12h 02m
American Airlines
Deal found 6/21![American Airlines logo]()
$301
This Alaska Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/258:01 am
STL
- FAI
2 stops19h 54m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$306
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 June 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $365 (Delta) |
One-way from | $183 (Alaska Airlines) |
Popular in | June |
Cheapest in | October |
Average price | $697 |
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 June 23, 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
Wed 8/26
4:40 pm-11:59 pm
1 stop10h 19m
Anchorage
Tue 9/1
8:15 pm-12:02 pm
2 stops12h 47m
$372
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Sun 8/30
6:08 pm-10:18 am
1 stop19h 10m
Anchorage
Mon 9/7
6:17 pm-5:10 pm
2 stops19h 53m
$372
St. LouisFairbanks
STL - FAI
STLFAI
Lambert-St Louis
Sat 8/22
6:20 am-8:49 pm
1 stop17h 29m
Fairbanks
Mon 8/31
10:00 pm-6:27 pm
2 stops17h 27m
$372
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Mon 8/31
6:08 pm-10:18 am
1 stop19h 10m
Anchorage
Tue 9/1
1:29 am-5:10 pm
2 stops12h 41m
$372
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Tue 8/25
11:13 am-11:24 pm
2 stops15h 11m
Anchorage
Tue 9/1
6:00 am-11:21 pm
2 stops14h 21m
$377
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Sat 8/8
5:34 pm-12:59 am
1 stop10h 25m
Anchorage
Thu 8/13
12:39 am-6:55 pm
1 stop15h 16m
$394
Quickest round-trip
St. LouisFairbanks
STL - FAI
STLFAI
Lambert-St Louis
Fri 8/21
2:32 pm-12:34 am
2 stops13h 02m
Fairbanks
Sat 8/29
10:00 pm-8:37 am
1 stop7h 37m
$401
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Sun 8/30
6:00 am-7:00 pm
1 stop16h 00m
Anchorage
Mon 9/7
10:30 pm-3:14 pm
1 stop13h 44m
$424
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Tue 9/1
8:00 am-8:12 pm
2 stops15h 12m
Anchorage
Thu 9/10
6:12 am-11:16 pm
2 stops14h 04m
$434
St. LouisFairbanks
STL - FAI
STLFAI
Lambert-St Louis
Fri 8/7
7:56 pm-2:15 am
1 stop9h 19m
Fairbanks
Mon 8/10
12:39 am-4:37 pm
1 stop12h 58m
$469
Showing 1-10 of 30 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-FAI
STL-ANC
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-FAI
STL-ANC
STL-JNU
STL-KTN
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 $228). 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 43 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 June 23, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, 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.
Entertainment
7.0
Food
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Food
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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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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 June 23, 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 June 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$318 | Average$525 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$345 | Average$665 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$368 | Average$689 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$384 | Average$584 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$524 | Average$652 | FlexibilityNo cancel fee | On-time63% |