$439+ Cheap flights from St. Louis to Grand Forks (STL - GFK)
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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — GFK
Nov 5 — Nov 121
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from St. Louis to Grand Forks with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Grand Forks
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to Grand ForksExplore the most affordable flight options available from St. Louis to Grand Forks. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 6, 2026.
Explore the most affordable flight options available from St. Louis to Grand Forks. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 6, 2026.
This Delta deal was found by Cheapflights users on 10/5. 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.
Sun 11/156:13 am -
1 stop4h 02m
Fri 11/273:40 pm -
1 stop3h 51m
Deal found 10/5![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 10/5. 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.
Sat 10/246:21 am -
1 stop3h 55m
Tue 10/2710:51 am -
1 stop3h 54m
Deal found 10/5![Delta logo]()
$454
This Delta deal was found by Cheapflights users on 10/5. 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.
Thu 10/226:21 am -
1 stop3h 55m
Sat 10/245:07 am -
1 stop5h 31m
Deal found 10/5![Delta logo]()
$469
This Delta deal was found by Cheapflights users on 10/5. 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.
Tue 11/176:00 pm -
2 stops20h 36m
Sat 11/287:51 pm -
1 stop3h 31m
Deal found 10/5![Delta logo]()
$540
This Delta deal was found by Cheapflights users on 10/5. 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.
Mon 11/166:00 pm -
2 stops16h 15m
Fri 11/276:40 am -
1 stop4h 14m
Deal found 10/5![Delta logo]()
$547
This Delta deal was found by Cheapflights users on 10/5. 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.
Sat 11/216:13 am -
1 stop17h 08m
Mon 11/307:51 pm -
2 stops17h 37m
Deal found 10/5![Delta logo]()
$551
This Delta deal was found by Cheapflights users on 10/5. 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.
Wed 11/189:45 am -
1 stop4h 51m
Mon 11/307:51 pm -
2 stops17h 37m
Deal found 10/5![Delta logo]()
$566
This Delta deal was found by Cheapflights users on 10/5. 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.
Sat 11/216:13 am -
1 stop17h 08m
Wed 11/257:51 pm -
1 stop23h 40m
Deal found 10/5![Delta logo]()
$570
This Delta deal was found by Cheapflights users on 10/5. 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.
Sat 11/215:30 pm -
1 stop16h 45m
Tue 12/15:10 am -
2 stops18h 55m
Deal found 10/5![Delta logo]()
$575
This Delta deal was found by Cheapflights users on 10/5. 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.
Sun 11/156:13 am -
1 stop4h 02m
Wed 11/257:51 pm -
1 stop23h 40m
Deal found 10/5![Delta logo]()
$585
This Delta deal was found by Cheapflights users on 10/5. 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.
Sun 11/156:13 am -
1 stop4h 02m
Thu 11/2610:50 am -
2 stops12h 03m
Deal found 10/5![Delta logo]()
$590
Best flights from St. Louis to Grand ForksDiscover carefully curated flight deals from St. Louis to Grand Forks that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 6, 2026.
Discover carefully curated flight deals from St. Louis to Grand Forks that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 6, 2026.
This Delta deal was found by Cheapflights users on 10/5. 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.
Sat 10/246:21 am -
1 stop3h 55m
Tue 10/2710:51 am -
1 stop3h 54m
Deal found 10/5![Delta logo]()
$454
This Delta deal was found by Cheapflights users on 10/5. 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.
Thu 11/197:13 am -
2 stops16h 08m
Sat 11/287:51 pm -
1 stop3h 31m
Deal found 10/5![Delta logo]()
$566
This Delta deal was found by Cheapflights users on 10/5. 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.
Tue 11/176:13 am -
1 stop4h 02m
Thu 11/2610:50 am -
2 stops12h 03m
Deal found 10/5![Delta logo]()
$590
This Delta deal was found by Cheapflights users on 10/5. 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.
Fri 11/206:13 am -
1 stop4h 02m
Thu 11/2610:50 am -
2 stops12h 03m
Deal found 10/5![Delta logo]()
$590
This Delta deal was found by Cheapflights users on 10/5. 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.
Sun 11/156:13 am -
1 stop4h 02m
Tue 12/15:10 am -
1 stop18h 16m
Deal found 10/5![Delta logo]()
$606
This Delta deal was found by Cheapflights users on 10/5. 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.
Tue 11/177:18 pm -
2 stops14h 57m
Tue 12/15:10 am -
2 stops18h 55m
Deal found 10/5![Delta logo]()
$617
This Delta deal was found by Cheapflights users on 10/5. 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.
Thu 10/226:21 am -
1 stop3h 55m
Sat 10/245:07 am -
2 stops11h 21m
Deal found 10/5![Delta logo]()
$629
This Delta deal was found by Cheapflights users on 10/1. 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.
Mon 12/710:06 am -
2 stops8h 59m
Tue 12/85:10 am -
1 stop5h 50m
Deal found 10/1![Delta logo]()
$711
This Delta deal was found by Cheapflights users on 10/3. 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.
Sun 10/186:21 am -
1 stop3h 55m
Thu 10/227:55 pm -
1 stop3h 26m
Deal found 10/3![Delta logo]()
$899
This Delta deal was found by Cheapflights users on 10/5. 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.
Thu 11/266:00 am -
2 stops8h 36m
Tue 12/15:10 am -
2 stops11h 33m
Deal found 10/5![Delta logo]()
$990
Last-minute flights from St. Louis to Grand ForksDiscover last-minute flight deals from St. Louis to Grand Forks. Data last updated October 6, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Grand Forks. Data last updated October 6, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/5. 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.
Thu 10/226:21 am -
1 stop3h 55m
Sat 10/245:07 am -
1 stop5h 31m
Deal found 10/5![Delta logo]()
$469
This Delta deal was found by Cheapflights users on 10/5. 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.
Sat 10/246:21 am -
1 stop3h 55m
Tue 10/2710:51 am -
1 stop3h 54m
Deal found 10/5![Delta logo]()
$454
This Delta deal was found by Cheapflights users on 10/5. 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.
Sun 11/156:13 am -
1 stop4h 02m
Fri 11/273:40 pm -
1 stop3h 51m
Deal found 10/5![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 10/5. 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.
Sun 11/156:13 am -
1 stop4h 02m
Wed 11/257:51 pm -
1 stop23h 40m
Deal found 10/5![Delta logo]()
$585
This Delta deal was found by Cheapflights users on 10/5. 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.
Sun 11/156:13 am -
1 stop4h 02m
Thu 11/2610:50 am -
2 stops12h 03m
Deal found 10/5![Delta logo]()
$590
This Delta deal was found by Cheapflights users on 10/5. 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.
Mon 11/166:00 pm -
2 stops16h 15m
Fri 11/276:40 am -
1 stop4h 14m
Deal found 10/5![Delta logo]()
$547
This Delta deal was found by Cheapflights users on 10/5. 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.
Tue 11/176:00 pm -
2 stops20h 36m
Sat 11/287:51 pm -
1 stop3h 31m
Deal found 10/5![Delta logo]()
$540
This Delta deal was found by Cheapflights users on 10/5. 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.
Wed 11/189:45 am -
1 stop4h 51m
Mon 11/307:51 pm -
2 stops17h 37m
Deal found 10/5![Delta logo]()
$566
This Delta deal was found by Cheapflights users on 10/5. 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.
Sat 11/216:13 am -
1 stop17h 08m
Mon 11/307:51 pm -
2 stops17h 37m
Deal found 10/5![Delta logo]()
$551
This Delta deal was found by Cheapflights users on 10/5. 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.
Sat 11/216:13 am -
1 stop17h 08m
Wed 11/257:51 pm -
1 stop23h 40m
Deal found 10/5![Delta logo]()
$570
This Delta deal was found by Cheapflights users on 10/5. 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.
Sat 11/215:30 pm -
1 stop16h 45m
Tue 12/15:10 am -
2 stops18h 55m
Deal found 10/5![Delta logo]()
$575
One-way flights from St. Louis to Grand ForksSearch for one-way flight options from St. Louis to Grand Forks. Find affordable one-way fares based on user searches. Data last updated October 6, 2026.
Search for one-way flight options from St. Louis to Grand Forks. Find affordable one-way fares based on user searches. Data last updated October 6, 2026.
This Delta deal was found by Cheapflights users on 10/5. 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.
Sun 10/256:21 am -
1 stop3h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/5![Delta logo]()
$702
Find flight deals from St. Louis to Grand Forks
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Grand Forks (GFK). 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 October 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $439 (Delta) |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Grand Forks 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 7,457,451 searches. Data last updated October 6, 2026.
Use the filters below to find and compare flights from St. Louis to Grand Forks that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisGrand Forks
STL Lambert-St Louis - GFK Grand Forks
STLGFK
Lambert-St Louis
Sat 10/24
6:21 am-10:16 am
1 stop3h 55m
Grand Forks
Tue 10/27
10:51 am-2:45 pm
1 stop3h 54m
$454
St. LouisGrand Forks
STL Lambert-St Louis - GFK Grand Forks
STLGFK
Lambert-St Louis
Thu 11/19
7:13 am-11:21 pm
2 stops16h 08m
Grand Forks
Sat 11/28
7:51 pm-11:22 pm
1 stop3h 31m
$566
St. LouisGrand Forks
STL Lambert-St Louis - GFK Grand Forks
STLGFK
Lambert-St Louis
Tue 11/17
6:13 am-10:15 am
1 stop4h 02m
Grand Forks
Thu 11/26
10:50 am-10:53 pm
2 stops12h 03m
$590
St. LouisGrand Forks
STL Lambert-St Louis - GFK Grand Forks
STLGFK
Lambert-St Louis
Fri 11/20
6:13 am-10:15 am
1 stop4h 02m
Grand Forks
Thu 11/26
10:50 am-10:53 pm
2 stops12h 03m
$590
St. LouisGrand Forks
STL Lambert-St Louis - GFK Grand Forks
STLGFK
Lambert-St Louis
Sun 11/15
6:13 am-10:15 am
1 stop4h 02m
Grand Forks
Tue 12/1
5:10 am-11:26 pm
1 stop18h 16m
$606
St. LouisGrand Forks
STL Lambert-St Louis - GFK Grand Forks
STLGFK
Lambert-St Louis
Tue 11/17
7:18 pm-10:15 am
2 stops14h 57m
Grand Forks
Tue 12/1
5:10 am-12:05 am
2 stops18h 55m
$617
St. LouisGrand Forks
STL Lambert-St Louis - GFK Grand Forks
STLGFK
Lambert-St Louis
Thu 10/22
6:21 am-10:16 am
1 stop3h 55m
Grand Forks
Sat 10/24
5:07 am-4:28 pm
2 stops11h 21m
$629
Quickest round-trip
St. LouisGrand Forks
STL Lambert-St Louis - GFK Grand Forks
STLGFK
Lambert-St Louis
Sun 10/25
6:21 am-10:16 am
1 stop3h 55m
Grand Forks
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$702
St. LouisGrand Forks
STL Lambert-St Louis - GFK Grand Forks
STLGFK
Lambert-St Louis
Mon 12/7
10:06 am-7:05 pm
2 stops8h 59m
Grand Forks
Tue 12/8
5:10 am-11:00 am
1 stop5h 50m
$711
St. LouisGrand Forks
STL Lambert-St Louis - GFK Grand Forks
STLGFK
Lambert-St Louis
Sun 10/18
6:21 am-10:16 am
1 stop3h 55m
Grand Forks
Thu 10/22
7:55 pm-11:21 pm
1 stop3h 26m
$899
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Grand Forks
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Grand Forks in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Grand Forks flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Grand Forks flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Grand Forks flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Grand Forks flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Grand Forks flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Grand Forks
Have a flexible travel schedule? Discover the best time to fly to Grand Forks from St. Louis with our price prediction graph.
STL-GFK
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.
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Grand Forks. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Grand Forks flight routes
Other flight options
Other flights from St. Louis
Popular flights