$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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ANC
Aug 5 — Aug 121
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 July 6, 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 6, 2026.
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/3![Delta logo]()
$385
This Delta deal was found by Cheapflights users on 7/6. 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 8/132:32 pm
STL
- ANC
1 stop11h 52m
Delta
Thu 8/2012:54 pm
ANC
- STL
1 stop7h 32m
Delta
Deal found 7/6![Delta logo]()
$386
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2111:13 am
STL
- FAI
1 stop12h 36m
Delta
Sat 8/2910:00 pm
FAI
- STL
1 stop9h 23m
Delta
Deal found 7/6![Delta logo]()
$386
This Priceline deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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.
Sun 12/67:00 am
STL
- ANC
1 stop10h 08m
Alaska Airlines
Sun 12/64:30 pm
ANC
- STL
1 stop28h 29m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$387
This Alaska Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:36 pm
STL
- FAI
1 stop9h 12m
Alaska Airlines
Thu 8/274:01 pm
FAI
- STL
1 stop28h 58m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/185:07 am
ANC
- STL
1 stop15h 52m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/2610:33 am
STL
- ANC
2 stops15h 51m
Delta
Tue 9/16:00 am
ANC
- STL
1 stop14h 26m
Delta
Deal found 7/3![Delta logo]()
$390
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:48 am
STL
- FAI
1 stop15h 01m
Delta
Wed 9/22:42 pm
FAI
- STL
2 stops14h 55m
Delta
Deal found 7/6![Delta logo]()
$392
This Southwest deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:45 pm
STL
- ANC
2 stops11h 30m
Southwest
Tue 8/1811:55 pm
ANC
- STL
2 stops13h 30m
Southwest
Deal found 7/5![Southwest logo]()
$395
This Alaska Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 stops23h 54m
Alaska Airlines
Fri 8/289:44 pm
FAI
- STL
2 stops16h 26m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$395
This Alaska Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/236:08 pm
STL
- FAI
2 stops21h 45m
Alaska Airlines
Tue 9/291:28 am
FAI
- STL
2 stops12h 42m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$397
This Alaska Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:36 pm
STL
- ANC
1 stop17h 00m
Alaska Airlines
Tue 9/11:29 am
ANC
- STL
1 stop9h 37m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$414
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 6, 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 6, 2026.
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/267:00 am
STL
- ANC
1 stop15h 00m
Delta
Tue 9/16:00 am
ANC
- STL
1 stop7h 44m
Delta
Deal found 7/1![Delta logo]()
$385
This Alaska Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 stops23h 54m
Alaska Airlines
Fri 8/289:44 pm
FAI
- STL
2 stops16h 26m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$395
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:40 pm
STL
- FAI
1 stop9h 19m
United Airlines
Sun 9/61:00 am
FAI
- STL
1 stop8h 40m
United Airlines
Deal found 7/5![United Airlines logo]()
$431
This American Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:00 am
STL
- KTN
1 stop15h 35m
American Airlines
Tue 12/19:00 am
KTN
- STL
2 stops11h 42m
American Airlines
Deal found 7/1![American Airlines logo]()
$719
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:15 am
STL
- ANC
1 stop13h 59m
Delta
Fri 9/256:00 am
ANC
- STL
1 stop14h 16m
Delta
Deal found 7/5![Delta logo]()
$385
This Alaska Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 9/236:08 pm
STL
- FAI
2 stops24h 01m
Alaska Airlines
Tue 9/291:28 am
FAI
- STL
2 stops12h 42m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/155:34 pm
STL
- ANC
1 stop10h 25m
Delta
Thu 8/2012:54 pm
ANC
- STL
1 stop7h 32m
Delta
Deal found 7/4![Delta logo]()
$385
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/132:32 pm
STL
- ANC
1 stop11h 52m
Delta
Thu 8/2012:39 am
ANC
- STL
1 stop15h 16m
Delta
Deal found 7/1![Delta logo]()
$385
This Alaska Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/247:36 pm
STL
- FAI
1 stop9h 12m
Alaska Airlines
Thu 8/274:01 pm
FAI
- STL
1 stop28h 58m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/2![Delta logo]()
$385
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/111:13 am
STL
- ANC
1 stop12h 47m
Delta
Tue 9/810:30 pm
ANC
- STL
1 stop13h 44m
Delta
Deal found 7/3![Delta logo]()
$385
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/2![Delta logo]()
$390
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/2210:31 am
STL
- ANC
2 stops13h 49m
Delta
Tue 8/2512:39 am
ANC
- STL
1 stop15h 16m
Delta
Deal found 7/3![Delta logo]()
$390
This American Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:29 am
STL
- KTN
1 stop16h 04m
American Airlines
Tue 9/155:31 pm
KTN
- STL
1 stop17h 50m
American Airlines
Deal found 7/6![American Airlines logo]()
$736
This Alaska Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 10/176:00 am
STL
- JNU
1 stop18h 45m
Alaska Airlines
Wed 10/217:10 am
JNU
- STL
1 stop13h 49m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$622
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/12:15 pm
STL
- ANC
2 stops14h 30m
Delta
Tue 12/89:55 pm
ANC
- STL
1 stop7h 53m
Delta
Deal found 7/5![Delta logo]()
$390
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:45 am
STL
- FAI
2 stops17h 30m
Delta
Sat 11/211:30 am
FAI
- STL
2 stops20h 06m
Delta
Deal found 7/6![Delta logo]()
$397
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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
3 stops40h 20m
Alaska Airlines
Thu 10/229:41 am
JNU
- STL
3 stops51h 03m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$650
This Alaska Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/293:04 pm
STL
- KTN
1 stop7h 29m
Alaska Airlines
Wed 9/25:31 pm
KTN
- STL
1 stop17h 35m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$736
This Alaska Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:29 am
STL
- KTN
2 stops32h 48m
Alaska Airlines
Tue 9/155:45 pm
KTN
- STL
3 stops21h 53m
Alaska Airlines
Deal found 7/6![Alaska Airlines logo]()
$741
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/87:00 am
STL
- JNU
2 stops14h 16m
Delta
Wed 8/127:35 am
JNU
- STL
2 stops12h 51m
Delta
Deal found 7/2![Delta logo]()
$533
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:00 am
STL
- JNU
2 stops13h 16m
Delta
Wed 8/127:35 am
JNU
- STL
2 stops12h 51m
Delta
Deal found 7/6![Delta logo]()
$547
Last-minute flights from St. Louis to AlaskaDiscover last-minute flight deals from St. Louis to Alaska. Data last updated July 6, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Alaska. Data last updated July 6, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1112:45 pm
STL
- ANC
2 stops11h 30m
Southwest
Tue 8/1811:55 pm
ANC
- STL
2 stops13h 30m
Southwest
Deal found 7/5![Southwest logo]()
$395
This Delta deal was found by Cheapflights users on 7/6. 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 8/132:32 pm
STL
- ANC
1 stop11h 52m
Delta
Thu 8/2012:54 pm
ANC
- STL
1 stop7h 32m
Delta
Deal found 7/6![Delta logo]()
$386
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/132:32 pm
STL
- ANC
1 stop11h 52m
Delta
Thu 8/201:32 am
ANC
- STL
2 stops14h 23m
Delta
Deal found 7/4![Delta logo]()
$392
This Priceline deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/137:56 pm
STL
- ANC
1 stop15h 44m
Alaska Airlines
Mon 8/1711:33 pm
ANC
- STL
1 stop20h 26m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$435
This Alaska Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:56 pm
STL
- ANC
2 stops15h 15m
Alaska Airlines
Wed 8/191:29 am
ANC
- STL
2 stops12h 41m
Alaska Airlines
Deal found 7/6![Alaska Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2111:13 am
STL
- FAI
1 stop12h 36m
Delta
Sat 8/2910:00 pm
FAI
- STL
1 stop9h 23m
Delta
Deal found 7/6![Delta logo]()
$386
This Alaska Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:36 pm
STL
- FAI
1 stop9h 12m
Alaska Airlines
Thu 8/274:01 pm
FAI
- STL
1 stop28h 58m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:48 am
STL
- FAI
1 stop15h 01m
Delta
Wed 9/22:42 pm
FAI
- STL
2 stops14h 55m
Delta
Deal found 7/6![Delta logo]()
$392
This Alaska Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 stops23h 54m
Alaska Airlines
Fri 8/289:44 pm
FAI
- STL
2 stops16h 26m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$395
This United Airlines deal was found by Cheapflights users on 7/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:59 pm
STL
- FAI
2 stops13h 00m
United Airlines
Tue 9/11:00 am
FAI
- STL
2 stops11h 38m
United Airlines
Deal found 7/6![United Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/267:00 am
STL
- ANC
1 stop15h 00m
Delta
Tue 9/16:00 am
ANC
- STL
1 stop7h 44m
Delta
Deal found 7/3![Delta logo]()
$385
This Alaska Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:36 pm
STL
- ANC
1 stop17h 00m
Alaska Airlines
Tue 9/11:29 am
ANC
- STL
1 stop9h 37m
Alaska Airlines
Deal found 7/5![Alaska Airlines 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 6, 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 6, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:56 pm
STL
- ANC
1 stop15h 44m
Alaska Airlines
Deal found 7/6![Alaska Airlines logo]()
$193
This Delta deal was found by Cheapflights users on 7/6. 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.
Wed 8/1211:13 am
STL
- ANC
2 stops15h 11m
Delta
Deal found 7/6![Delta logo]()
$199
This Alaska Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/226:08 pm
STL
- FAI
2 stops29h 32m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$199
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/58:00 am
STL
- ANC
2 stops15h 12m
Delta
Deal found 7/1![Delta logo]()
$204
This Alaska Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/3![Alaska Airlines logo]()
$207
This CheapOair deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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.
Wed 8/57:56 pm
STL
- ANC
1 stop9h 44m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$222
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:21 am
STL
- FAI
1 stop12h 28m
Delta
Deal found 7/5![Delta logo]()
$222
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 9/1111:15 am
STL
- ANC
2 stops14h 50m
United Airlines
Deal found 7/2![United Airlines logo]()
$228
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/224:40 pm
STL
- FAI
1 stop9h 19m
United Airlines
Deal found 7/5![United Airlines logo]()
$238
This Alaska Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/242:46 pm
STL
- FAI
2 stops14h 29m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$249
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:00 am
STL
- ANC
1 stop9h 56m
United Airlines
Deal found 7/5![United Airlines logo]()
$298
This United Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 7/221:38 pm
STL
- ANC
2 stops12h 08m
United Airlines
Deal found 7/4![United Airlines logo]()
$304
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 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $385 (Alaska Airlines) |
One-way from | $193 (Alaska Airlines) |
Popular in | June |
Cheapest in | October |
Average price | $645 |
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 6, 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
7:00 am-7:00 pm
1 stop15h 00m
Anchorage
Tue 9/1
6:00 am-4:44 pm
1 stop7h 44m
$385
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Fri 9/11
6:15 am-5:14 pm
1 stop13h 59m
Anchorage
Fri 9/25
6:00 am-11:16 pm
1 stop14h 16m
$385
Quickest round-trip
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Sat 8/15
5:34 pm-12:59 am
1 stop10h 25m
Anchorage
Thu 8/20
12:54 pm-11:26 pm
1 stop7h 32m
$385
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Thu 8/13
2:32 pm-11:24 pm
1 stop11h 52m
Anchorage
Thu 8/20
12:39 am-6:55 pm
1 stop15h 16m
$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. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Tue 9/1
11:13 am-9:00 pm
1 stop12h 47m
Anchorage
Tue 9/8
10:30 pm-3:14 pm
1 stop13h 44m
$385
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Sun 8/30
8:00 am-8:12 pm
2 stops15h 12m
Anchorage
Mon 9/7
10:30 pm-3:14 pm
1 stop13h 44m
$390
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Sat 8/22
10:31 am-9:20 pm
2 stops13h 49m
Anchorage
Tue 8/25
12:39 am-6:55 pm
1 stop15h 16m
$390
St. LouisAnchorage
STL - ANC
STLANC
Lambert-St Louis
Tue 12/1
2:15 pm-1:45 am
2 stops14h 30m
Anchorage
Tue 12/8
9:55 pm-8:48 am
1 stop7h 53m
$390
St. LouisFairbanks
STL - FAI
STLFAI
Lambert-St Louis
Tue 8/25
6:08 pm-3:02 pm
2 stops23h 54m
Fairbanks
Fri 8/28
9:44 pm-5:10 pm
2 stops16h 26m
$395
Showing 1-10 of 37 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Alaska
Have a flexible travel schedule? Discover the best time to fly to Alaska from St. Louis with our price prediction graph.
STL-ANC
STL-FAI
STL-KTN
STL-JNU
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Alaska
STL-USAK
STL-ANC
STL-FAI
STL-KTN
STL-JNU
What is the cheapest month to book a flight from St. Louis to Alaska?
Currently, August is the cheapest month in which you can book a flight from St. Louis to Alaska (average of $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 72 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 6, 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
Crew
8.5
Food
7.0
Comfort
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Overall
7.9
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Crew
8.5
Food
7.0
Comfort
7.8
Overall
7.9
Boarding
8.1
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
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 6, 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 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$345 | Average$664 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$364 | Average$534 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$368 | Average$689 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$384 | Average$585 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$524 | Average$652 | FlexibilityNo cancel fee | On-time63% |