$406+ Cheap flights from St. Louis to Fairbanks (STL - FAI)
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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FAI
Sep 21 — Sep 281
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Fairbanks with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Fairbanks
Cheapest
Best
Last-minute
Cheapest flights from St. Louis to FairbanksExplore the most affordable flight options available from St. Louis to Fairbanks. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
Explore the most affordable flight options available from St. Louis to Fairbanks. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 22, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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 -
1 stop17h 26m
Thu 10/15:30 am -
1 stop15h 29m
Deal found 8/20![Alaska Airlines logo]()
$406
This Priceline deal was found by Cheapflights users on 8/20. 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 9/176:08 pm -
2 stops21h 58m
Thu 9/245:30 am -
1 stop10h 08m
Deal found 8/20![Alaska Airlines logo]()
$412
This Delta deal was found by Cheapflights users on 8/20. 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 10/317:45 am -
2 stops20h 00m
Fri 11/61:50 am -
2 stops15h 06m
Deal found 8/20![Delta logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 -
1 stop9h 24m
Wed 9/305:30 am -
1 stop10h 08m
Deal found 8/18![Alaska Airlines logo]()
$426
This Booking.com deal was found by Cheapflights users on 8/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:08 pm -
2 stops41h 56m
Fri 9/251:28 am -
1 stop9h 53m
Deal found 8/19![Alaska Airlines logo]()
$434
This Expedia deal was found by Cheapflights users on 8/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/233:19 pm -
2 stops20h 45m
Sun 9/279:44 pm -
2 stops13h 37m
Deal found 8/22![Alaska Airlines logo]()
$440
Best flights from St. Louis to FairbanksDiscover carefully curated flight deals from St. Louis to Fairbanks that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
Discover carefully curated flight deals from St. Louis to Fairbanks that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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 -
1 stop17h 26m
Thu 10/15:30 am -
1 stop15h 29m
Deal found 8/20![Alaska Airlines logo]()
$406
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2412:00 pm -
2 stops15h 30m
Mon 10/52:30 pm -
2 stops15h 39m
Deal found 8/17![Delta logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 -
1 stop9h 24m
Wed 9/305:30 am -
1 stop10h 08m
Deal found 8/18![Alaska Airlines logo]()
$426
This Alaska Airlines deal was found by Cheapflights users on 8/22. 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.
Wed 9/233:19 pm -
1 stop13h 29m
Sun 9/2710:02 am -
2 stops25h 19m
Deal found 8/22![Alaska Airlines logo]()
$435
Last-minute flights from St. Louis to FairbanksDiscover last-minute flight deals from St. Louis to Fairbanks. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Fairbanks. Data last updated August 22, 2026 and is based on user searches.
This Priceline deal was found by Cheapflights users on 8/20. 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 9/176:08 pm -
2 stops21h 58m
Thu 9/245:30 am -
1 stop10h 08m
Deal found 8/20![Alaska Airlines logo]()
$412
This Booking.com deal was found by Cheapflights users on 8/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:08 pm -
2 stops41h 56m
Fri 9/251:28 am -
1 stop9h 53m
Deal found 8/19![Alaska Airlines logo]()
$434
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 -
1 stop9h 24m
Wed 9/305:30 am -
1 stop10h 08m
Deal found 8/18![Alaska Airlines logo]()
$426
This Expedia deal was found by Cheapflights users on 8/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/233:19 pm -
2 stops20h 45m
Sun 9/279:44 pm -
2 stops13h 37m
Deal found 8/22![Alaska Airlines logo]()
$440
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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 -
1 stop17h 26m
Thu 10/15:30 am -
1 stop15h 29m
Deal found 8/20![Alaska Airlines logo]()
$406
Find flight deals from St. Louis to Fairbanks
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Fairbanks (FAI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $406 (Alaska Airlines) |
Popular in | November |
Cheapest in | January |
Average price | $561 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Fairbanks 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 August 22, 2026.
Use the filters below to find and compare flights from St. Louis to Fairbanks that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisFairbanks
STL Lambert-St Louis - FAI Fairbanks
STLFAI
Lambert-St Louis
Tue 9/29
6:29 am-8:55 pm
1 stop17h 26m
Fairbanks
Thu 10/1
5:30 am-11:59 pm
1 stop15h 29m
$406
Quickest round-trip
St. LouisFairbanks
STL Lambert-St Louis - FAI Fairbanks
STLFAI
Lambert-St Louis
Wed 9/23
6:29 am-12:53 pm
1 stop9h 24m
Fairbanks
Wed 9/30
5:30 am-6:38 pm
1 stop10h 08m
$426
St. LouisFairbanks
STL Lambert-St Louis - FAI Fairbanks
STLFAI
Lambert-St Louis
Wed 9/23
3:19 pm-1:48 am
1 stop13h 29m
Fairbanks
Sun 9/27
10:02 am-2:21 pm
2 stops25h 19m
$435
St. LouisFairbanks
STL Lambert-St Louis - FAI Fairbanks
STLFAI
Lambert-St Louis
Thu 9/24
12:00 pm-12:30 am
2 stops15h 30m
Fairbanks
Mon 10/5
2:30 pm-9:09 am
2 stops15h 39m
$437
Sorted by cheapest first
Compare providers for flights from St. Louis to Fairbanks
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Fairbanks in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on St. Louis-Fairbanks flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Fairbanks flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Fairbanks flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Fairbanks flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Fairbanks flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Fairbanks
Have a flexible travel schedule? Discover the best time to fly to Fairbanks from St. Louis with our price prediction graph.
STL-FAI
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 Fairbanks
What is the cheapest month to book a flight from St. Louis to Fairbanks?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Fairbanks (average of $385). Flying from St. Louis to Fairbanks 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 much does it cost to fly round-trip from St. Louis to Fairbanks?
Airfare is below average for this route at the moment.
St. Louis to Fairbanks flights typically cost between $422 and $650 in September.The cheapest round-trip price found within the last 5 days was $406 on Alaska Airlines (Sep 29-Oct 1).
Reviews of airlines servicing Fairbanks
Get insights into the airlines that provide service to Fairbanks. 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 Fairbanks. Reviews last updated August 22, 2026.
Read reviews from past customers who have flown Alaska Airlines from St. Louis to Fairbanks. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.0
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 Fairbanks. 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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Complete your trip
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Other flights to Fairbanks
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St. Louis and Fairbanks flights
Browse other St. Louis and Fairbanks flight options. Last updated on August 22, 2026.
Other flights from St. Louis
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Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from St. Louis to Fairbanks
Discover the top airline that operate flights from St. Louis to Fairbanks. 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 August 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$384 | Average$533 | FlexibilityNo cancel fee | On-time75% |