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Grand Forks

$235+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — GFK
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$235
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$497
From Ontario to Grand Forks
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($205 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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 September 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:00 amONT - GFK
1 stop28h 06mMultiple Airlines
Sun 10/52:56 pmGFK - ONT
1 stop18h 21mMultiple Airlines
Deal found 9/15$235
This Delta deal was found by Cheapflights users on 9/14. 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 10/111:15 pmONT - GFK
2 stops7h 32mDelta
Tue 10/1412:20 pmGFK - ONT
2 stops12h 21mDelta
Deal found 9/14$809
This Delta deal was found by Cheapflights users on 9/15. 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.
Fri 10/107:35 amONT - GFK
2 stops13h 12mDelta
Tue 10/1412:20 pmGFK - ONT
2 stops12h 21mDelta
Deal found 9/15$1,009
This Delta deal was found by Cheapflights users on 9/15. 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.
Wed 10/11:15 pmONT - GFK
2 stops7h 43mDelta
Sun 10/55:03 amGFK - ONT
2 stops13h 57mDelta
Deal found 9/15$1,219
This Delta deal was found by Cheapflights users on 9/17. 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 10/197:35 amONT - GFK
2 stops13h 12mDelta
Thu 10/2312:20 pmGFK - ONT
2 stops12h 21mDelta
Deal found 9/17$1,259
This Delta deal was found by Cheapflights users on 9/17. 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 10/207:35 amONT - GFK
2 stops13h 12mDelta
Thu 10/2312:20 pmGFK - ONT
2 stops12h 21mDelta
Deal found 9/17$1,499

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 September 17, 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

Wed 10/1

8:00 am-2:06 pm

1 stop28h 06m

Grand Forks

Sun 10/5

2:56 pm-7:17 am

1 stop18h 21m

$235

OntarioGrand Forks

ONT - GFK

ONTGFK

Ontario

Tue 1/13

1:00 pm-11:12 pm

2 stops8h 12m

Grand Forks

Tue 1/27

4:05 pm-11:52 pm

2 stops9h 47m

$434

OntarioGrand Forks

ONT - GFK

ONTGFK

Ontario

Sat 2/21

6:45 am-11:12 pm

2 stops14h 27m

Grand Forks

Wed 2/25

12:15 pm-10:38 pm

2 stops12h 23m

$528

OntarioGrand Forks

ONT - GFK

ONTGFK

Ontario

Sun 1/18

1:00 pm-11:12 pm

2 stops8h 12m

Grand Forks

Sat 1/24

4:05 pm-10:52 pm

2 stops8h 47m

$674

OntarioGrand Forks

ONT - GFK

ONTGFK

Ontario

Sat 10/11

1:15 pm-10:47 pm

2 stops7h 32m

Grand Forks

Tue 10/14

12:20 pm-10:41 pm

2 stops12h 21m

$809

OntarioGrand Forks

ONT - GFK

ONTGFK

Ontario

Fri 10/10

7:35 am-10:47 pm

2 stops13h 12m

Grand Forks

Tue 10/14

12:20 pm-10:41 pm

2 stops12h 21m

$1,009

OntarioGrand Forks

ONT - GFK

ONTGFK

Ontario

Wed 10/1

1:15 pm-10:58 pm

2 stops7h 43m

Grand Forks

Sun 10/5

5:03 am-5:00 pm

2 stops13h 57m

$1,219

OntarioGrand Forks

ONT - GFK

ONTGFK

Ontario

Sun 10/19

7:35 am-10:47 pm

2 stops13h 12m

Grand Forks

Thu 10/23

12:20 pm-10:41 pm

2 stops12h 21m

$1,259

OntarioGrand Forks

ONT - GFK

ONTGFK

Ontario

Thu 1/15

1:00 pm-11:12 pm

2 stops8h 12m

$525

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

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.

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 8h 12m. Delta provides one of the quickest options available for as low as $434. 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, 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.

See more FAQs

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