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Grand Forks

$498+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GFK
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$498
(Delta)

Popular in

November

Cheapest in

September

Average price

$638
Provider with most accurate pricing for Ontario-Grand Forks flight deals.
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Provider most trusted by Cheapflights users for Ontario-Grand Forks flights.
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From Ontario to Grand Forks
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($205 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Ontario to Grand Forks

Cheapest flights from Ontario to Grand Forks
Explore the most affordable flight options available from Ontario to Grand Forks. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Delta deal was found by Cheapflights users on 10/26. 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 12/241:15 pmONT - GFK
2 stops8h 07mDelta
Thu 1/15:00 amGFK - ONT
2 stops9h 29mDelta
Deal found 10/26$564
This Delta deal was found by Cheapflights users on 10/26. 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 12/241:15 pmONT - GFK
2 stops8h 07mDelta
Wed 12/3112:17 pmGFK - ONT
2 stops12h 16mDelta
Deal found 10/26$618
This Delta deal was found by Cheapflights users on 10/26. 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 12/251:15 pmONT - GFK
2 stops8h 07mDelta
Thu 1/15:00 amGFK - ONT
2 stops9h 29mDelta
Deal found 10/26$623

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 October 29, 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

Sat 2/21

6:00 am-11:49 am

2 stops27h 49m

Grand Forks

Wed 2/25

4:05 pm-11:52 pm

2 stops9h 47m

$498

OntarioGrand Forks

ONT - GFK

ONTGFK

Ontario

Wed 12/24

1:15 pm-11:22 pm

2 stops8h 07m

Grand Forks

Thu 1/1

5:00 am-12:29 pm

2 stops9h 29m

$564

OntarioGrand Forks

ONT - GFK

ONTGFK

Ontario

Wed 12/24

1:15 pm-11:22 pm

2 stops8h 07m

Grand Forks

Wed 12/31

12:17 pm-10:33 pm

2 stops12h 16m

$618

OntarioGrand Forks

ONT - GFK

ONTGFK

Ontario

Thu 12/25

1:15 pm-11:22 pm

2 stops8h 07m

Grand Forks

Thu 1/1

5:00 am-12:29 pm

2 stops9h 29m

$623

OntarioGrand Forks

ONT - GFK

ONTGFK

Ontario

Sat 3/28

10:30 pm-11:12 pm

2 stops22h 42m

Grand Forks

Tue 3/31

4:05 pm-11:52 pm

2 stops9h 47m

$647

OntarioGrand Forks

ONT - GFK

ONTGFK

Ontario

Sat 3/28

10:30 pm-11:12 pm

2 stops22h 42m

Grand Forks

Wed 4/1

4:05 pm-11:52 pm

2 stops9h 47m

$647

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Compare providers for flights from Ontario 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 Ontario to Grand Forks in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Grand Forks flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Grand Forks flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Grand Forks flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Grand Forks flights, Cheapflights users trust eDreams the most. eDreams 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 Ontario-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 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, April is the cheapest month in which you can book a flight from Ontario to Grand Forks (average of $150). Flying from Ontario to Grand Forks in July is currently the most expensive (average of $354). 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.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Grand Forks. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Grand Forks?

    A quick flight from Ontario to Grand Forks can take about 27h 49m. Delta provides one of the quickest options available for as low as $498. The distance from Ontario to Grand Forks is about 1424 mi.

  • Can I find deals for flights from Ontario to Grand Forks that include hotel bookings?

    Yes. In addition to deals on Ontario to Grand Forks flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Grand Forks?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Grand Forks.

  • Can I find deals for business class flights from Ontario to Grand Forks?

    Yes. Cheapflights offers flight deals from Ontario to Grand Forks by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Grand Forks?

    Currently, April is the cheapest month in which you can book a flight from Ontario to Grand Forks (average of $150). Flying from Ontario to Grand Forks in July is currently the most expensive (average of $354). 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.

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