$251 Cheap Delta flights Grand Forks (GFK) to St. Louis (STL)

View $251 flight on Tue, Sep 16, 2025Opens in a new window

$251 Cheap Delta flights Grand Forks (GFK) to St. Louis (STL)

Prices were available within the past 7 days and start at $251 for one-way flights and $289 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Sep 30 - Tue, Oct 7
GFK
Grand Forks
STL
St. Louis
$289 Roundtrip, found 11 hours ago
$289
Roundtrip
found 11 hours ago
Select Delta flight, departing Tue, Sep 30 from Grand Forks to St. Louis, returning Tue, Oct 7, priced at $289 found 11 hours ago
Delta
Tue, Aug 12 - Tue, Aug 19
GFK
Grand Forks
STL
St. Louis
$294 Roundtrip, found 4 days ago
$294
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Aug 12 from Grand Forks to St. Louis, returning Tue, Aug 19, priced at $294 found 4 days ago
Delta
Mon, Sep 29 - Tue, Oct 7
GFK
Grand Forks
STL
St. Louis
$294 Roundtrip, found 11 hours ago
$294
Roundtrip
found 11 hours ago
Select Delta flight, departing Mon, Sep 29 from Grand Forks to St. Louis, returning Tue, Oct 7, priced at $294 found 11 hours ago
Delta
Tue, Sep 30 - Sun, Oct 5
GFK
Grand Forks
STL
St. Louis
$314 Roundtrip, found 11 hours ago
$314
Roundtrip
found 11 hours ago
Select Delta flight, departing Tue, Sep 30 from Grand Forks to St. Louis, returning Sun, Oct 5, priced at $314 found 11 hours ago
Delta
Tue, Aug 12 - Tue, Aug 19
GFK
Grand Forks
STL
St. Louis
$319 Roundtrip, found 4 days ago
$319
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Aug 12 from Grand Forks to St. Louis, returning Tue, Aug 19, priced at $319 found 4 days ago
Delta
Mon, Sep 29 - Sun, Oct 5
GFK
Grand Forks
STL
St. Louis
$319 Roundtrip, found 11 hours ago
$319
Roundtrip
found 11 hours ago
Select Delta flight, departing Mon, Sep 29 from Grand Forks to St. Louis, returning Sun, Oct 5, priced at $319 found 11 hours ago
Flights from Grand Forks (GFK) to St. Louis (STL)
Origin airport
Grand Forks Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Delta
Popular airline
Delta
Distance
721 mi

Frequently asked questions

How much is a Delta Air Lines flight from Grand Forks Intl. Airport (GFK) to Lambert-St. Louis Intl. Airport (STL)?
Grab cheap round-trip Delta Air Lines flights from $289 from GFK to STL by sorting your results from "Price (lowest to highest)" on Expedia. Or look for deals from $251 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from GFK to STL with Delta Air Lines?
Search for return or one-way flights to St. Louis in January or February. You could find lower fares with Delta Air Lines during these off-season months.
What is the cheapest time to book flights from Grand Forks Intl. Airport (GFK) to Lambert-St. Louis Intl. Airport (STL) with Delta Air Lines?
For cheap Delta Air Lines fares from Grand Forks Intl. Airport (GFK) to Lambert-St. Louis Intl. Airport (STL), start searching one to three months before your planned departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the cost. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Grand Forks Intl. Airport (GFK) to Lambert-St. Louis Intl. Airport (STL)?
Simply enter your dates, click search and select the "Nonstop" filter on Expedia to browse any direct flights from GFK to STL with Delta Air Lines or other carriers.
What is the earliest Delta Air Lines flight from GFK to STL?
Find Delta Air Lines's earliest flights from GFK to STL by using our "Morning" and "Early Morning" filters. Not only will you arrive at your destination sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in St. Louis?
Lambert-St. Louis Intl. Airport (STL) is the primary St. Louis hub for Delta Air Lines flights from Grand Forks Intl. Airport (GFK).
Why fly with Delta Air Lines from GFK to STL?
Taking off from GFK to STL with Delta Air Lines comes with a host of benefits, including a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That's on top of the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Grand Forks Intl. Airport (GFK) to Lambert-St. Louis Intl. Airport (STL)?
Changes are usually free within 24 hours of booking, but your airline may charge you after that. For further details about altering your reservation, check out your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to change your plans without extra charges, check the "Changes included" and "No cancel fee" filters when organizing your trip.

Explore a world of travel with Expedia

*Available to One Key members.