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$387+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
GFK — STL
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
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 septiembre 17, 2025.

Round-trip from

$387
(Delta)
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 septiembre 17, 2025.

This Delta deal was found by Cheapflights users on 9/17. 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.
jue. 12/44:40 pmGFK - STL
1 stop6h 48mDelta
lun. 12/86:00 amSTL - GFK
1 stop5h 44mDelta
Deal found 9/17$387
This Delta deal was found by Cheapflights users on 9/14. 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.
mar. 9/3012:21 pmGFK - STL
1 stop4h 24mDelta
sáb. 10/46:00 amSTL - GFK
1 stop5h 33mDelta
Deal found 9/14$467
This Delta deal was found by Cheapflights users on 9/15. 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.
vie. 9/195:03 amGFK - STL
1 stop3h 34mDelta
dom. 9/216:00 amSTL - GFK
1 stop5h 33mDelta
Deal found 9/15$647
This Delta deal was found by Cheapflights users on 9/17. 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.
jue. 10/25:03 amGFK - STL
2 stops8h 17mDelta
lun. 10/66:00 amSTL - GFK
1 stop5h 35mDelta
Deal found 9/17$733
This Delta deal was found by Cheapflights users on 9/16. 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.
mié. 10/155:05 amGFK - STL
2 stops7h 30mDelta
jue. 10/166:00 amSTL - GFK
1 stop5h 35mDelta
Deal found 9/16$923

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 septiembre 17, 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

jue. 12/4

4:40 pm-11:28 pm

1 stop6h 48m

Lambert-St Louis

lun. 12/8

6:00 am-11:44 am

1 stop5h 44m

$387

Grand ForksSt. Louis

GFK - STL

GFKSTL

Grand Forks

jue. 10/2

4:19 pm-11:09 pm

1 stop6h 50m

Lambert-St Louis

lun. 10/6

5:31 pm-10:47 pm

1 stop5h 16m

$467

Grand ForksSt. Louis

GFK - STL

GFKSTL

Grand Forks

mar. 9/30

12:21 pm-4:45 pm

1 stop4h 24m

Lambert-St Louis

sáb. 10/4

6:00 am-11:33 am

1 stop5h 33m

$467

Grand ForksSt. Louis

GFK - STL

GFKSTL

Grand Forks

mié. 10/15

12:20 pm-4:46 pm

1 stop4h 26m

Lambert-St Louis

jue. 10/16

6:00 am-11:35 am

1 stop5h 35m

$647

Grand ForksSt. Louis

GFK - STL

GFKSTL

Grand Forks

sáb. 9/20

4:19 pm-11:09 pm

1 stop6h 50m

Lambert-St Louis

dom. 9/21

6:00 am-11:33 am

1 stop5h 33m

$647

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

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, August is the cheapest month in which you can book a flight from Grand Forks to St. Louis (average of $311). Flying from Grand Forks to St. Louis in March is currently the most expensive (average of $356). 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 septiembre 17, 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
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 $387, Delta can have you in St. Louis from Grand Forks in 6h 48m. 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, August is the cheapest month in which you can book a flight from Grand Forks to St. Louis (average of $311). Flying from Grand Forks to St. Louis in March is currently the most expensive (average of $356). 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

Browse thousands of different options on Cheapflights for your next trip

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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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$416Average$458FlexibilityNo cancel feeOn-timeN/A

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