$307+ Cheap flights from St. Louis (STL) to Alaska
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ANC
Nov 27 — Dec 41
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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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 October 28, 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 October 28, 2026.
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 11/1110:05 am -
2 stops17h 32m
Sat 11/141:42 am -
2 stops12h 59m
Deal found 10/27![Delta logo]()
$507
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 12/176:03 am -
2 stops21h 34m
Thu 12/311:55 am -
2 stops35h 41m
Deal found 10/26![Delta logo]()
$510
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 12/217:46 pm -
2 stops31h 49m
Thu 12/311:55 am -
2 stops42h 33m
Deal found 10/26![Delta logo]()
$513
This Alaska Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/56:00 am -
1 stop18h 37m
Wed 11/114:07 pm -
1 stop28h 52m
Deal found 10/26![Alaska Airlines logo]()
$554
This Priceline deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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.
Wed 11/118:10 am -
2 stops16h 27m
Sun 11/154:07 pm -
1 stop28h 52m
Deal found 10/27![Alaska Airlines logo]()
$565
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 12/176:03 am -
2 stops21h 34m
Wed 12/301:55 am -
2 stops29h 40m
Deal found 10/26![Delta logo]()
$586
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 12/217:46 pm -
2 stops31h 49m
Wed 12/301:55 am -
2 stops29h 40m
Deal found 10/26![Delta logo]()
$589
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 12/207:15 pm -
2 stops32h 20m
Thu 12/311:55 am -
2 stops35h 41m
Deal found 10/26![Delta logo]()
$591
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 12/176:03 am -
2 stops21h 34m
Sun 1/31:45 am -
2 stops29h 04m
Deal found 10/26![Delta logo]()
$601
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 12/16:00 am -
2 stops17h 53m
Tue 12/810:05 pm -
2 stops17h 08m
Deal found 10/27![Delta logo]()
$604
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 12/217:46 pm -
2 stops31h 49m
Sun 1/31:45 am -
2 stops29h 04m
Deal found 10/26![Delta logo]()
$604
This Expedia deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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.
Thu 11/266:00 am -
1 stop17h 57m
Fri 11/276:00 am -
1 stop14h 59m
Deal found 10/24![Alaska Airlines logo]()
$607
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 October 28, 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 October 28, 2026.
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 2/63:54 pm -
1 stop22h 23m
Mon 2/82:37 am -
1 stop9h 19m
Deal found 10/23![Alaska Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 1/143:26 pm -
2 stops12h 10m
Tue 1/191:45 am -
2 stops18h 00m
Deal found 10/27![Delta logo]()
$507
This United Airlines deal was found by Cheapflights users on 10/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/268:50 am -
1 stop9h 34m
Sat 12/1212:07 am -
1 stop9h 46m
Deal found 10/23![United Airlines logo]()
$613
This American Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 4/165:20 am -
1 stop16h 30m
Mon 4/198:30 pm -
1 stop20h 00m
Deal found 10/27![American Airlines logo]()
$613
This Travelocity deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/143:54 pm -
1 stop12h 41m
Wed 1/206:28 pm -
2 stops17h 28m
Deal found 10/27![Alaska Airlines logo]()
$579
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 12/186:00 am -
2 stops21h 44m
Sun 1/31:45 am -
2 stops29h 04m
Deal found 10/26![Delta logo]()
$601
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 12/16:00 am -
2 stops17h 53m
Tue 12/810:05 pm -
2 stops17h 08m
Deal found 10/27![Delta logo]()
$604
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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 4/177:00 am -
2 stops13h 34m
Sat 4/249:05 am -
2 stops11h 39m
Deal found 10/23![Alaska Airlines logo]()
$615
This Alaska Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 12/206:00 am -
2 stops19h 52m
Mon 1/410:09 am -
2 stops25h 47m
Deal found 10/26![Alaska Airlines logo]()
$615
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” 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 4/1612:30 pm -
2 stops13h 06m
Mon 4/199:55 pm -
1 stop10h 55m
Deal found 10/28![Delta logo]()
$618
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 12/266:30 am -
2 stops22h 19m
Mon 1/49:45 pm -
1 stop16h 02m
Deal found 10/25![Delta logo]()
$618
This Alaska Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 2/263:04 pm -
1 stop14h 34m
Sat 3/69:00 pm -
2 stops38h 06m
Deal found 10/26![Alaska Airlines logo]()
$662
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 12/266:30 am -
2 stops22h 19m
Sun 1/35:40 am -
1 stop14h 48m
Deal found 10/25![Delta logo]()
$618
This Delta deal was found by Cheapflights users on 10/23. 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 4/89:45 am -
1 stop14h 18m
Fri 4/235:15 pm -
2 stops17h 08m
Deal found 10/23![Delta logo]()
$620
This Alaska Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 2/66:01 am -
2 stops53h 41m
Tue 2/97:56 am -
2 stops28h 00m
Deal found 10/26![Alaska Airlines logo]()
$745
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 12/2411:15 am -
2 stops28h 36m
Mon 1/49:45 pm -
2 stops22h 41m
Deal found 10/25![Delta logo]()
$625
Last-minute flights from St. Louis to AlaskaDiscover last-minute flight deals from St. Louis to Alaska. Data last updated October 28, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Alaska. Data last updated October 28, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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.
Sat 10/315:40 am -
1 stop16h 37m
Sat 11/78:14 pm -
1 stop10h 14m
Deal found 10/24![American Airlines logo]()
$633
This Alaska Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:00 am -
1 stop18h 37m
Mon 11/912:13 pm -
1 stop8h 46m
Deal found 10/26![Alaska Airlines logo]()
$606
This Alaska Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/56:00 am -
1 stop18h 37m
Wed 11/114:07 pm -
1 stop28h 52m
Deal found 10/26![Alaska Airlines logo]()
$554
This Expedia deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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.
Fri 11/66:00 am -
2 stops17h 58m
Sun 11/81:48 am -
1 stop19h 11m
Deal found 10/27![Alaska Airlines logo]()
$608
This Alaska Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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 11/86:00 am -
2 stops32h 15m
Thu 11/126:48 pm -
2 stops26h 11m
Deal found 10/24![Alaska Airlines logo]()
$619
This Alaska Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:06 pm -
2 stops21h 05m
Mon 11/1612:13 pm -
1 stop8h 46m
Deal found 10/27![Alaska Airlines logo]()
$612
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 11/1110:05 am -
2 stops17h 32m
Sat 11/141:42 am -
2 stops12h 59m
Deal found 10/27![Delta logo]()
$507
This Priceline deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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.
Wed 11/118:10 am -
2 stops16h 27m
Sun 11/154:07 pm -
1 stop28h 52m
Deal found 10/27![Alaska Airlines logo]()
$565
This Expedia deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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.
Thu 11/266:00 am -
1 stop17h 57m
Fri 11/276:00 am -
1 stop14h 59m
Deal found 10/24![Alaska Airlines logo]()
$607
This United Airlines deal was found by Cheapflights users on 10/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/268:50 am -
1 stop9h 34m
Sat 12/1212:07 am -
1 stop9h 46m
Deal found 10/23![United Airlines logo]()
$613
This Delta deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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 11/266:13 am -
1 stop14h 43m
Thu 11/261:15 am -
2 stops15h 54m
Deal found 10/24![Delta logo]()
$614
This Expedia deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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.
Thu 11/266:00 am -
2 stops32h 51m
Mon 11/307:35 am -
1 stop13h 24m
Deal found 10/24![Alaska Airlines logo]()
$634
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 October 28, 2026.
Search for one-way flight options from St. Louis to Alaska. Find affordable one-way fares based on user searches. Data last updated October 28, 2026.
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 12/31:18 pm -
1 stop9h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 12/36:03 am -
2 stops12h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Delta logo]()
$313
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/310:53 am -
1 stop11h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/310:25 am -
2 stops13h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Delta logo]()
$323
This Alaska Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 1/53:54 pm -
1 stop9h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Alaska Airlines logo]()
$343
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 1/46:09 pm -
1 stop9h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![United Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 1/56:05 am -
2 stops11h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Delta logo]()
$358
This Expedia deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” 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 11/36:00 am -
2 stops14h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Alaska Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 11/277:08 am -
2 stops19h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Delta logo]()
$363
This American Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” 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 1/45:00 am -
1 stop17h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![American Airlines logo]()
$402
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 October 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $499 (Alaska Airlines) |
One-way from | $307 (Priceline) |
Popular in | November |
Cheapest in | February |
Average price | $655 |
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 7,457,451 searches. Data last updated October 28, 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 Lambert-St Louis - ANC Anchorage
STLANC
Lambert-St Louis
Thu 11/26
6:00 am-4:47 pm
1 stop13h 47m
Anchorage
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$307
St. LouisAnchorage
STL Lambert-St Louis - ANC Anchorage
STLANC
Lambert-St Louis
Thu 12/3
1:18 pm-7:39 pm
1 stop9h 21m
Anchorage
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$307
St. LouisAnchorage
STL Lambert-St Louis - ANC Anchorage
STLANC
Lambert-St Louis
Sun 12/20
6:00 am-10:38 pm
1 stop19h 38m
Anchorage
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$307
St. LouisAnchorage
STL Lambert-St Louis - ANC Anchorage
STLANC
Lambert-St Louis
Thu 12/3
6:04 am-4:47 pm
1 stop13h 43m
Anchorage
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$307
St. LouisAnchorage
STL Lambert-St Louis - ANC Anchorage
STLANC
Lambert-St Louis
Thu 12/3
6:03 am-3:04 pm
2 stops12h 01m
Anchorage
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$313
St. LouisAnchorage
STL Lambert-St Louis - ANC Anchorage
STLANC
Lambert-St Louis
Thu 11/26
5:00 am-3:24 pm
2 stops13h 24m
Anchorage
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$313
St. LouisAnchorage
STL Lambert-St Louis - ANC Anchorage
STLANC
Lambert-St Louis
Tue 11/3
10:53 am-7:39 pm
1 stop11h 46m
Anchorage
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$317
St. LouisAnchorage
STL Lambert-St Louis - ANC Anchorage
STLANC
Lambert-St Louis
Sat 12/19
7:05 am-1:49 am
2 stops21h 44m
Anchorage
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$318
Quickest round-trip
St. LouisAnchorage
STL Lambert-St Louis - ANC Anchorage
STLANC
Lambert-St Louis
Mon 1/4
6:09 pm-12:18 am
1 stop9h 09m
Anchorage
Wed 12/31
12:00 am-4:00 am
Nonstop0h 00m
$356
St. LouisFairbanks
STL Lambert-St Louis - FAI Fairbanks
STLFAI
Lambert-St Louis
Sat 2/6
3:54 pm-11:17 am
1 stop22h 23m
Fairbanks
Mon 2/8
2:37 am-2:56 pm
1 stop9h 19m
$499
Showing 1-10 of 25 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
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
What is the cheapest month to book a flight from St. Louis to Alaska?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Alaska (average of $385). Flying from St. Louis to Alaska in November is currently the most expensive (average of $834). 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 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 70 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 October 28, 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.
Food
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Food
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Food
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Food
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Food
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Food
7.0
Crew
8.5
Comfort
7.8
Overall
7.9
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
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
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Alaska by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Alaska by cabin class
Find flights from St. Louis to Alaska, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Alaska flights
Browse other St. Louis and Alaska flight options. Last updated on October 28, 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 7,457,451 searches. Data last updated October 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$365 | Average$535 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$371 | Average$683 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$384 | Average$657 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$524 | Average$703 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$534 | Average$618 | FlexibilityNo cancel fee | On-time71% |