$261 Cheap Flights from St. Louis (STL) to Grand Forks (GFK)

View $261 flight on Tue, Oct 28, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Grand Forks, ND (GFK-Grand Forks Intl.)

Cheap Flights from St. Louis to Grand Forks (STL-GFK)

Prices were available within the past 7 days and start at $261 for one-way flights and $367 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Dec 23 - Tue, Dec 30
STL
St. Louis
GFK
Grand Forks
$367 Roundtrip, found 2 days ago
$367
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Dec 23 from St. Louis to Grand Forks, returning Tue, Dec 30, priced at $367 found 2 days ago
Delta
Tue, Dec 23 - Wed, Dec 31
STL
St. Louis
GFK
Grand Forks
$372 Roundtrip, found 2 days ago
$372
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Dec 23 from St. Louis to Grand Forks, returning Wed, Dec 31, priced at $372 found 2 days ago
Delta
Thu, Dec 25 - Tue, Dec 30
STL
St. Louis
GFK
Grand Forks
$377 Roundtrip, found 2 days ago
$377
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Dec 25 from St. Louis to Grand Forks, returning Tue, Dec 30, priced at $377 found 2 days ago
Delta
Thu, Dec 25 - Wed, Dec 31
STL
St. Louis
GFK
Grand Forks
$382 Roundtrip, found 2 days ago
$382
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Dec 25 from St. Louis to Grand Forks, returning Wed, Dec 31, priced at $382 found 2 days ago
Delta
Tue, Oct 21 - Tue, Oct 28
STL
St. Louis
GFK
Grand Forks
$387 Roundtrip, found 5 days ago
$387
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Oct 21 from St. Louis to Grand Forks, returning Tue, Oct 28, priced at $387 found 5 days ago
Delta
Wed, Nov 19 - Sat, Nov 22
STL
St. Louis
GFK
Grand Forks
$389 Roundtrip, found 4 days ago
$389
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Nov 19 from St. Louis to Grand Forks, returning Sat, Nov 22, priced at $389 found 4 days ago
Delta
Thu, Dec 25 - Thu, Jan 1
STL
St. Louis
GFK
Grand Forks
$392 Roundtrip, found 2 days ago
$392
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Dec 25 from St. Louis to Grand Forks, returning Thu, Jan 1, priced at $392 found 2 days ago
Delta
Tue, Oct 21 - Wed, Oct 29
STL
St. Louis
GFK
Grand Forks
$399 Roundtrip, found 5 days ago
$399
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Oct 21 from St. Louis to Grand Forks, returning Wed, Oct 29, priced at $399 found 5 days ago
Delta
Wed, Nov 12 - Fri, Nov 14
STL
St. Louis
GFK
Grand Forks
$408 Roundtrip, found 4 days ago
$408
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Nov 12 from St. Louis to Grand Forks, returning Fri, Nov 14, priced at $408 found 4 days ago
Delta
Fri, Dec 26 - Tue, Dec 30
STL
St. Louis
GFK
Grand Forks
$413 Roundtrip, found 2 days ago
$413
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Dec 26 from St. Louis to Grand Forks, returning Tue, Dec 30, priced at $413 found 2 days ago

Find the cheapest month to fly from St. Louis (STL) to Grand Forks (GFK)

August is typically the cheapest month to fly

From $288 - $876 per traveler.

Alternative airports near Grand Forks

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Grand Forks Intl. GFK. Cheapest and Closest option available. Average driving time to city center is 12 minutes. Flights from $469
GFK
Grand Forks Intl.
CheapestClosest
Average driving time to city center12 min
Flights from $469

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Grand Forks Intl. Airport (GFK) cost?
Grab a cheap one-way flight from $261 or cheap return flight from $367 from Lambert-St. Louis Intl. Airport (STL) to Grand Forks Intl. Airport (GFK) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Grand Forks Intl. Airport (GFK)?
Flying in December is a good way to save, as it's the cheapest month for flights between STL and GFK. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Grand Forks Intl. Airport (GFK)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest STL to GFK flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Grand Forks Intl. Airport (GFK)?
You'll have to hop on a flight with a layover when traveling from Lambert-St. Louis Intl. Airport (STL) to Grand Forks Intl. Airport (GFK). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from STL to GFK?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on a number of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Grand Forks Intl. Airport (GFK)?
Opt for a flight from Lambert-St. Louis Intl. Airport (STL) to Grand Forks Intl. Airport (GFK) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Grand Forks Intl. Airport (GFK) last-minute?
Booking your flight from STL to GFK just before your journey is generally more expensive. However, if there's some wiggle room with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a STL to GFK flight and hotel package?
Booking a STL to GFK flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our impressive range of stays and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Grand Forks Intl. Airport (GFK)?
If you reserved your STL to GFK flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Grand Forks Intl.
Airlines serving
Delta
Roundtrip price
$366
Distance
721 mi

Book with confidence

Book with confidence

St. Louis to Grand Forks Flights

The cheapest times to fly from St. Louis to Grand Forks

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Grand Forks are during the month of December. You can find some of the cheapest flights from St. Louis to Grand Forks with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Grand Forks

Sunday is one of the best days to book for cheap flights from St. Louis to Grand Forks: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Grand Forks

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Grand Forks in 2025. You can also book with separate airlines for your outbound and return journeys, from $261 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Grand Forks flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Grand Forks airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Grand Forks Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.