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$375+ Cheap flights from Grand Forks to St. Louis (GFK - STL)

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
GFK — STL
Feb 1 — Feb 81
Sun 2/1
Sun 2/8
1 adult, Economy
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Cheap flight deals from Grand Forks to St. Louis

Best flights from Grand Forks to St. Louis
Discover carefully curated flight deals from Grand Forks to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 2, 2026.

This Delta deal was found by Cheapflights users on 12/31. 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 1/155:00 amGFK - STL
1 stop5h 43mDelta
Mon 1/196:10 amSTL - GFK
1 stop5h 29mDelta
Deal found 12/31$375
This Delta deal was found by Cheapflights users on 1/1. 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.
Tue 1/1312:19 pmGFK - STL
1 stop4h 26mDelta
Tue 1/206:10 amSTL - GFK
1 stop5h 29mDelta
Deal found 1/1$405

Find flight deals from Grand Forks to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Grand Forks (GFK) to St. Louis (STL). 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 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$375
(Delta)
Provider with most accurate pricing for Grand Forks-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Grand Forks-Lambert-St Louis flights.
Search Deals
From Grand Forks to Lambert-St Louis
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Grand Forks to St. Louis 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 2, 2026.
Use the filters below to find and compare flights from Grand Forks to St. Louis that are best for you.

Fly from

Grand Forks

Fly to

St. Louis

Route

Depart

Return

Price

Grand ForksSt. Louis

GFK - STL

GFKSTL

Grand Forks

Thu 1/15

5:00 am-10:43 am

1 stop5h 43m

Lambert-St Louis

Mon 1/19

6:10 am-11:39 am

1 stop5h 29m

$375

Grand ForksSt. Louis

GFK - STL

GFKSTL

Grand Forks

Tue 1/13

12:19 pm-4:45 pm

1 stop4h 26m

Lambert-St Louis

Tue 1/20

6:10 am-11:39 am

1 stop5h 29m

$405

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/31

Compare providers for flights from Grand Forks to St. Louis

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 Grand Forks to St. Louis in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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 Grand Forks-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Grand Forks-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Grand Forks-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Grand Forks-St. Louis 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 Grand Forks-St. Louis 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 Grand Forks to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Grand Forks 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 Grand Forks to St. Louis

What is the cheapest month to book a flight from Grand Forks to St. Louis?

Currently, May is the cheapest month in which you can book a flight from Grand Forks to St. Louis (average of $226). Flying from Grand Forks to St. Louis in August is currently the most expensive (average of $561). 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.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated January 2, 2026.
See what other customers who have flown with Delta from Grand Forks to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,021 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,021 reviews
Delta
7.9
Good
8,021 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Grand Forks to St. Louis. 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 Grand Forks to St. Louis?

    For as low as $375, Delta can have you in St. Louis from Grand Forks in 5h 43m. Grand Forks and St. Louis are separated by a distance of 720 mi.

  • What is the cheapest airline to fly from Grand Forks to St. Louis round-trip?

    Flying on Delta is currently your cheapest option to St. Louis, with prices starting at $246.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Grand Forks to St. Louis 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 Grand Forks to St. Louis?

    Currently, May is the cheapest month in which you can book a flight from Grand Forks to St. Louis (average of $226). Flying from Grand Forks to St. Louis in August is currently the most expensive (average of $561). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

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Top airline flying from Grand Forks to St. Louis

Discover the top airline that operate flights from Grand Forks to St. Louis. 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 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$416Average$458FlexibilityNo cancel feeOn-timeN/A

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