Cheap flights from Grand Forks to St. Louis from $382

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Grand Forks to St. Louis departing on 1/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Grand Forks to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:40 pm - 10:16 pm
GFK
-
STL
4h 36m1 stop
Delta Logo
5:25 pm - 11:12 pm
STL
-
GFK
5h 47m1 stop
$382Delta
Fri, Jan 2 - Tue, Jan 6
Delta Logo
5:40 pm - 10:16 pm
GFK
-
STL
4h 36m1 stop
Delta Logo
6:00 am - 3:22 pm
STL
-
GFK
9h 22m2 stops
$632Delta
Fri, Jan 2 - Tue, Jan 6
Delta Logo
12:17 pm - 8:41 pm
GFK
-
STL
8h 24m2 stops
Delta Logo
6:00 am - 3:22 pm
STL
-
GFK
9h 22m2 stops
$829Delta
Fri, Jan 2 - Tue, Jan 6

Delta flights from Grand Forks to St. Louis

Our best Delta deals on Grand Forks to St. Louis flight tickets
Delta
Jan 2
GFK5:40 pmGrand Forks
4h 36m
1 stop
STL10:16 pmLambert-St Louis
Jan 6
STL5:25 pmLambert-St Louis
5h 47m
1 stop
GFK11:12 pmGrand Forks
Delta
Jan 2
GFK5:40 pmGrand Forks
4h 36m
1 stop
STL10:16 pmLambert-St Louis
Jan 6
STL6:00 amLambert-St Louis
9h 22m
2 stops
GFK3:22 pmGrand Forks
Delta
Jan 2
GFK12:17 pmGrand Forks
8h 24m
2 stops
STL8:41 pmLambert-St Louis
Jan 6
STL6:00 amLambert-St Louis
9h 22m
2 stops
GFK3:22 pmGrand Forks

momondo 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Grand Forks to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Grand ForksSt. Louis

GFK - STL

GFKSTL

Grand Forks

Fri 1/2

5:40 pm-10:16 pm

1 stop4h 36m

Lambert-St Louis

Tue 1/6

5:25 pm-11:12 pm

1 stop5h 47m

$382

Grand ForksSt. Louis

GFK - STL

GFKSTL

Grand Forks

Fri 1/2

5:40 pm-10:16 pm

1 stop4h 36m

Lambert-St Louis

Tue 1/6

6:00 am-3:22 pm

2 stops9h 22m

$632

Grand ForksSt. Louis

GFK - STL

GFKSTL

Grand Forks

Fri 1/2

12:17 pm-8:41 pm

2 stops8h 24m

Lambert-St Louis

Tue 1/6

6:00 am-3:22 pm

2 stops9h 22m

$829

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to St. Louis from

How to get the cheapest flight ticket from Grand Forks to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $423. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $522. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Grand Forks in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $480 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $536 per ticket.

When to book flights from Grand Forks to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Grand Forks to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Grand Forks to St. Louis (GFK to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Grand Forks to St. Louis

Fastest flight time

4h 36m

Direct flights

None
The fastest flight from Grand Forks to St. Louis takes 4h 36m
There are no direct flights from Grand Forks to St. Louis. There are no popular flight routes from Grand Forks to St. Louis.
  • How far is Grand Forks to Lambert-St Louis by plane?

    The distance between Grand Forks and Lambert-St Louis is about 727.4 mi. A reasonable flight in good conditions will take 4h 36m.

  • When did momondo last update prices for flights from Grand Forks Airport to Lambert-St Louis Airport?

    Prices for flights from Grand Forks Airport to Lambert-St Louis Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Grand Forks Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Grand Forks Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Grand Forks Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Grand Forks to St. Louis?

Best airlines flying from Grand Forks to St. Louis

Compare and see reviews for airlines that fly from Grand Forks to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $416Free CancellationRating
7.9
8,005 reviews
Search Delta flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
O'Fallon
Florissant
Fenton
Wentzville
St. Peters
Collinsville
Alton
Clayton
Festus
Glencoe
Farmington
Eureka
Edwardsville
Litchfield
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Grand Forks to St. Louis?

Finding the right flight to St. Louis from Grand Forks is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

Can I find flights from Grand Forks to St. Louis with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Grand Forks to St. Louis flights to just show those with flexible booking policies.

How can momondo help me find flights from Grand Forks to St. Louis?

momondo provides multiple filters to help you find the best flight to St. Louis from Grand Forks. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Grand Forks to St. Louis right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Grand Forks to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Sat 1/17
Sat 1/24

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