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$273+ Cheap flights from St. Louis to Fairbanks (STL - FAI)

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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FAI
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from St. Louis to Fairbanks

Cheapest flights from St. Louis to Fairbanks
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 January 21, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/19. 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.
Mon 2/92:50 pm
STL
-
FAI
1 stop12h 06m
Alaska Airlines
Thu 2/128:00 am
FAI
-
STL
1 stop12h 59m
Alaska Airlines
Deal found 1/19$402
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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.
Mon 2/92:50 pm
STL
-
FAI
1 stop14h 58m
Alaska Airlines
Sat 2/143:59 pm
FAI
-
STL
1 stop29h 00m
Alaska Airlines
Deal found 1/19$405
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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.
Mon 2/92:50 pm
STL
-
FAI
1 stop12h 06m
Alaska Airlines
Wed 2/118:30 am
FAI
-
STL
2 stops36h 29m
Alaska Airlines
Deal found 1/19$406
This Delta deal was found by Cheapflights users on 1/19. 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.
Mon 2/96:40 am
STL
-
FAI
2 stops20h 42m
Delta
Tue 2/101:30 am
FAI
-
STL
2 stops12h 15m
Delta
Deal found 1/19$413
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 2/102:50 pm
STL
-
FAI
1 stop12h 06m
Alaska Airlines
Thu 2/125:51 am
FAI
-
STL
1 stop15h 08m
Alaska Airlines
Deal found 1/19$442
This Delta deal was found by Cheapflights users on 1/20. 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.
Tue 2/1011:23 am
STL
-
FAI
2 stops15h 59m
Delta
Wed 2/181:27 am
FAI
-
STL
2 stops13h 15m
Delta
Deal found 1/20$444
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 2/102:50 pm
STL
-
FAI
1 stop12h 06m
Alaska Airlines
Wed 2/114:06 pm
FAI
-
STL
1 stop28h 53m
Alaska Airlines
Deal found 1/19$445
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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.
Mon 2/92:50 pm
STL
-
FAI
1 stop12h 06m
Alaska Airlines
Sun 2/158:50 am
FAI
-
STL
2 stops12h 09m
Alaska Airlines
Deal found 1/19$446
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 2/102:50 pm
STL
-
FAI
1 stop12h 06m
Alaska Airlines
Sun 2/155:51 am
FAI
-
STL
1 stop15h 08m
Alaska Airlines
Deal found 1/19$482
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 2/102:50 pm
STL
-
FAI
1 stop12h 06m
Alaska Airlines
Mon 2/165:00 am
FAI
-
STL
2 stops29h 51m
Alaska Airlines
Deal found 1/20$486

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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$402
(Alaska Airlines)

One-way from

$273
(Expedia)

Popular in

November

Cheapest in

January

Average price

$385
Provider with most accurate pricing for Lambert-St Louis-Fairbanks flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Fairbanks flights.
Search Deals
From Lambert-St Louis to Fairbanks
Search Deals
One-way flight from Lambert-St Louis to Fairbanks
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($190 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($71 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 2,558,603 searches. Data last updated January 21, 2026.
Use the filters below to find and compare flights from St. Louis to Fairbanks that are best for you.

Fly from

St. Louis

Fly to

Fairbanks

Route

Depart

Return

Price

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Mon 4/27

4:46 pm-1:42 am

1 stop11h 56m

Fairbanks

Fri 5/1

5:30 am-11:59 pm

1 stop15h 29m

$442

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Mon 4/27

12:23 pm-12:41 am

2 stops15h 18m

Fairbanks

Thu 4/30

1:38 am-11:12 pm

2 stops18h 34m

$444

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Tue 3/24

2:12 pm-12:12 am

2 stops13h 00m

Fairbanks

Mon 3/30

1:30 am-12:21 am

2 stops19h 51m

$444

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Tue 2/10

2:50 pm-11:56 pm

1 stop12h 06m

Fairbanks

Sat 2/14

12:29 pm-11:59 pm

2 stops32h 30m

$446

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Tue 3/24

3:50 pm-11:21 am

2 stops22h 31m

Fairbanks

Tue 3/31

5:30 am-11:59 pm

1 stop15h 29m

$448

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Tue 2/10

6:10 am-12:22 am

2 stops21h 12m

Fairbanks

Mon 2/16

1:27 am-9:32 am

2 stops29h 05m

$486

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Tue 2/10

2:50 pm-11:56 pm

1 stop12h 06m

Fairbanks

Mon 2/16

5:00 am-1:51 pm

2 stops29h 51m

$486

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Sat 2/7

6:19 pm-2:48 am

1 stop11h 29m

Fairbanks

Sat 2/14

12:29 pm-11:59 pm

2 stops32h 30m

$506

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Wed 7/15

7:30 pm-2:50 am

1 stop10h 20m

$273

St. LouisFairbanks

STL - FAI

STLFAI

Lambert-St Louis

Tue 5/26

7:56 pm-2:17 am

1 stop9h 21m

$273

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 16 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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 Expedia the most. Expedia 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.
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 $347). Flying from St. Louis to Fairbanks in November is currently the most expensive (average of $895). 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?

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 January 21, 2026.
Read reviews from past customers who have flown Alaska Airlines and Delta 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.
Alaska Airlines
8.0
Very good
11,768 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,768 reviews
Alaska Airlines
8.0
Very good
11,768 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,086 reviews
Alaska Airlines
8.0
Very good
11,768 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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.

  • How long is the flight from St. Louis to Fairbanks?

    Alaska Airlines and Delta can get you from St. Louis to Fairbanks in just under 11h 56m. Your travel time can differ by up to 3h 22m. St. Louis and Fairbanks are separated by a distance of 2890 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from St. Louis to Fairbanks round-trip?

    Our cheapest airline available from St. Louis to Fairbanks is Delta. Our recent data shows that you can find tickets from as low as $259 on this airline. An additional option worth looking into is Alaska Airlines, starting at $384. Delta is 61% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from St. Louis to Fairbanks one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $184. However, be on the lookout for offers from Alaska Airlines and United Airlines, as they are both options that can get you from St. Louis to Fairbanks for a low price.

  • Can I find deals for flights from St. Louis to Fairbanks that include hotel bookings?

    Yes. In addition to deals on St. Louis to Fairbanks flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Fairbanks?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Fairbanks.

  • Can I find deals for business class flights from St. Louis to Fairbanks?

    Yes. Cheapflights offers flight deals from St. Louis to Fairbanks by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $347). Flying from St. Louis to Fairbanks in November is currently the most expensive (average of $895). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from St. Louis to Fairbanks

Discover the top 2 airlines 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 2,558,603 searches. Data last updated January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$259Average$649FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$384Average$645FlexibilityNo cancel feeOn-time75%

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