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$309+ Cheap flights from Grand Forks to St. Louis (GFK - STL)

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
GFK — STL
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Cheap 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 October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$377
(Delta)

One-way from

$309
(Delta)
Provider with most accurate pricing for Grand Forks-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Grand Forks-Lambert-St Louis flights.
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From Grand Forks to Lambert-St Louis
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One-way flight from Grand Forks to Lambert-St Louis
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Find flight deals from Grand Forks to St. Louis

Cheapest flights from Grand Forks to St. Louis
Explore the most affordable flight options available from Grand Forks to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

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 12/44:40 pmGFK - STL
1 stop6h 49mDelta
Sun 12/76:00 amSTL - GFK
1 stop5h 44mDelta
Deal found 10/26$463
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 11/114:30 pmGFK - STL
1 stop6h 53mDelta
Sat 11/156:00 amSTL - GFK
1 stop5h 39mDelta
Deal found 10/27$487
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 11/224:30 pmGFK - STL
1 stop6h 52mDelta
Sat 11/296:00 amSTL - GFK
1 stop5h 39mDelta
Deal found 10/25$708

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 October 27, 2025.
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

Sat 4/4

12:15 pm-4:50 pm

1 stop4h 35m

Lambert-St Louis

Tue 4/7

8:50 am-3:46 pm

1 stop6h 56m

$377

Grand ForksSt. Louis

GFK - STL

GFKSTL

Grand Forks

Tue 3/3

5:00 am-8:54 am

1 stop3h 54m

Lambert-St Louis

Sat 3/7

5:30 pm-11:12 pm

1 stop5h 42m

$377

Grand ForksSt. Louis

GFK - STL

GFKSTL

Grand Forks

Thu 12/4

4:40 pm-11:29 pm

1 stop6h 49m

Lambert-St Louis

Sun 12/7

6:00 am-11:44 am

1 stop5h 44m

$463

Grand ForksSt. Louis

GFK - STL

GFKSTL

Grand Forks

Tue 11/11

4:30 pm-11:23 pm

1 stop6h 53m

Lambert-St Louis

Sat 11/15

6:00 am-11:39 am

1 stop5h 39m

$487

Grand ForksSt. Louis

GFK - STL

GFKSTL

Grand Forks

Thu 12/4

5:00 am-12:04 pm

1 stop7h 04m

$309

Grand ForksSt. Louis

GFK - STL

GFKSTL

Grand Forks

Wed 12/3

4:40 pm-11:29 pm

1 stop6h 49m

$309

Grand ForksSt. Louis

GFK - STL

GFKSTL

Grand Forks

Thu 12/4

12:07 pm-8:59 am

3 stops20h 52m

$366

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Grand Forks-St. Louis flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, October is the cheapest month in which you can book a flight from Grand Forks to St. Louis (average of $201). 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 October 27, 2025.
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
7,996 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,996 reviews
Delta
7.9
Good
7,996 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 $377, Delta can have you in St. Louis from Grand Forks in 4h 35m. 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 $416.

  • 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, October is the cheapest month in which you can book a flight from Grand Forks to St. Louis (average of $201). 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
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
St. Peters
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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$416Average$458FlexibilityNo cancel feeOn-timeN/A

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