$704+ Cheap flights from Ontario to Grand Forks (ONT - 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GFK
Aug 21 — Aug 281
1 adult, Economy
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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 Ontario to Grand Forks
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) 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 August 16, 2025.
Round-trip from | $704 (Delta) |
|---|---|
Popular in | November |
Cheapest in | July |
Average price | $566 |
Find flight deals from Ontario to Grand Forks
Best flights from Ontario to Grand ForksDiscover carefully curated flight deals from Ontario to Grand Forks that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 16, 2025.
Discover carefully curated flight deals from Ontario to Grand Forks that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 16, 2025.
This Delta deal was found by Cheapflights users on 8/15. 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 1/181:00 pmONT - GFK
2 stops8h 12mDelta
Sat 1/2412:15 pmGFK - ONT
2 stops12h 23mDelta
Deal found 8/15![Delta logo]()
$704
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario 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 2,558,603 searches. Data last updated August 16, 2025.
Use the filters below to find and compare flights from Ontario to Grand Forks that are best for you.
Fly from
Ontario
Fly to
Grand Forks
Route
Depart
Return
Price
OntarioGrand Forks
ONT - GFK
ONTGFK
Ontario
Sun 1/18
1:00 pm-11:12 pm
2 stops8h 12m
Grand Forks
Sat 1/24
12:15 pm-10:38 pm
2 stops12h 23m
$704
Best time to book a flight from Ontario to Grand Forks
Have a flexible travel schedule? Discover the best time to fly to Grand Forks from Ontario with our price prediction graph.
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.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Grand Forks
What is the cheapest month to book a flight from Ontario to Grand Forks?
Currently, May is the cheapest month in which you can book a flight from Ontario to Grand Forks (average of $481). Flying from Ontario to Grand Forks in March is currently the most expensive (average of $579). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.