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Cheap flights from Grand Forks to St. Louis from $509

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 8/25. 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
1 adult, Economy, 0 bags

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
10:54 am - 4:44 pmGFK  Grand Forks-STL Lambert-St Louis
5h 50m1 stop Minneapolis St Paul
Delta Logo
5:34 pm - 11:06 pmSTL  Lambert-St Louis-GFK Grand Forks
5h 32m1 stop Minneapolis St Paul
$509Delta
Tue, Aug 25 - Sat, Aug 29
Delta Logo
5:00 am - 1:14 pmGFK  Grand Forks-STL Lambert-St Louis
8h 14m2 stops Minneapolis St Paul Detroit Metropolitan Wayne County
Delta Logo
6:20 am - 10:19 amSTL  Lambert-St Louis-GFK Grand Forks
3h 59m1 stop Minneapolis St Paul
$881Delta
Tue, Aug 25 - Sat, Aug 29
Delta Logo
5:00 am - 1:14 pmGFK  Grand Forks-STL Lambert-St Louis
8h 14m2 stops Minneapolis St Paul Detroit Metropolitan Wayne County
Delta Logo
11:13 am - 6:08 pmSTL  Lambert-St Louis-GFK Grand Forks
6h 55m1 stop Minneapolis St Paul
$891Delta
Thu, Aug 27 - Mon, Aug 31
Delta Logo
5:00 am - 1:14 pmGFK  Grand Forks-STL Lambert-St Louis
8h 14m2 stops Minneapolis St Paul Detroit Metropolitan Wayne County
Delta Logo
6:30 am - 6:08 pmSTL  Lambert-St Louis-GFK Grand Forks
11h 38m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul
$1,055Delta
Thu, Aug 27 - Mon, Aug 31

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Delta flights from Grand Forks to St. Louis

Our best Delta deals on Grand Forks to St. Louis flight tickets
Delta
Aug 25
GFK10:54 amGrand Forks
5h 50m
1 stop
STL4:44 pmLambert-St Louis
Aug 29
STL5:34 pmLambert-St Louis
5h 32m
1 stop
GFK11:06 pmGrand Forks
$509
Delta
Aug 25
GFK5:00 amGrand Forks
8h 14m
2 stops
STL1:14 pmLambert-St Louis
Aug 29
STL6:20 amLambert-St Louis
3h 59m
1 stop
GFK10:19 amGrand Forks
$881
Delta
Aug 27
GFK5:00 amGrand Forks
8h 14m
2 stops
STL1:14 pmLambert-St Louis
Aug 31
STL11:13 amLambert-St Louis
6h 55m
1 stop
GFK6:08 pmGrand Forks
$891

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 August 12, 2026.
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

Cheapest round-trip
Quickest round-trip

Grand ForksSt. Louis

GFK Grand Forks - STL Lambert-St Louis

GFKSTL

Grand Forks

Tue 8/25

10:54 am-4:44 pm

1 stop5h 50m

Lambert-St Louis

Sat 8/29

5:34 pm-11:06 pm

1 stop5h 32m

$509

Grand ForksSt. Louis

GFK Grand Forks - STL Lambert-St Louis

GFKSTL

Grand Forks

Tue 8/25

5:00 am-1:14 pm

2 stops8h 14m

Lambert-St Louis

Sat 8/29

6:20 am-10:19 am

1 stop3h 59m

$881

Grand ForksSt. Louis

GFK Grand Forks - STL Lambert-St Louis

GFKSTL

Grand Forks

Thu 8/27

5:00 am-1:14 pm

2 stops8h 14m

Lambert-St Louis

Mon 8/31

11:13 am-6:08 pm

1 stop6h 55m

$891

Grand ForksSt. Louis

GFK Grand Forks - STL Lambert-St Louis

GFKSTL

Grand Forks

Thu 8/27

5:00 am-1:14 pm

2 stops8h 14m

Lambert-St Louis

Mon 8/31

6:30 am-6:08 pm

2 stops11h 38m

$1,055

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 airlines fly to St. Louis?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to St. Louis from Grand Forks according to our data. Delta is the first choice among our users, with 41% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 3 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

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

3h 37m

Direct flights

None
The fastest flight from Grand Forks to St. Louis takes 3h 37m
There are no direct flights from Grand Forks to St. Louis. There are no popular flight routes from Grand Forks to St. Louis.
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Frequently asked questions about flying 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 3h 37m.

  • 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 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.

Traveling to a place near St. Louis?

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