Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Ontario to Grand Forks from $593

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Grand Forks departing on 3/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Ontario to Grand Forks

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
1:20 pm - 11:10 pm
ONT
-
GFK
7h 50m
2 stops
Delta Logo
4:30 pm - 11:51 pm
GFK
-
ONT
9h 21m
2 stops
$819Delta
Fri, Mar 13 - Tue, Mar 17

Delta flights from Ontario to Grand Forks

Our best Delta deals on Ontario to Grand Forks flight tickets
Delta
Mar 1
ONT1:10 pmOntario
8h 00m
2 stops
GFK11:10 pmGrand Forks
Apr 17
GFK3:55 pmGrand Forks
9h 49m
2 stops
ONT11:44 pmOntario
$814
Delta
Mar 13
ONT1:20 pmOntario
7h 50m
2 stops
GFK11:10 pmGrand Forks
Mar 17
GFK4:30 pmGrand Forks
9h 21m
2 stops
ONT11:51 pmOntario
$819

momondo 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, momondo users made 832,500 searches. Data last updated February 27, 2026.
Use the filters below to find and compare flights from Ontario to Grand Forks that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioGrand Forks

ONT - GFK

ONTGFK

Ontario

Fri 3/13

1:20 pm-11:10 pm

2 stops7h 50m

Grand Forks

Tue 3/17

4:30 pm-11:51 pm

2 stops9h 21m

$819

OntarioGrand Forks

ONT - GFK

ONTGFK

Ontario

Fri 3/13

1:20 pm-11:10 pm

2 stops7h 50m

$593

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Grand Forks from

How to get the cheapest flight ticket from Ontario to Grand Forks

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to Grand Forks?

Delta is the most popular carrier operating from Ontario to Grand Forks

What airlines fly to Grand Forks?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Grand Forks from Ontario according to our data. United Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Grand Forks. Keep in mind that there are 4 different airlines that fly to Grand Forks on a routine basis, so you have a few additional options to choose from.

When to book flights from Ontario to Grand Forks

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Grand Forks according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Grand Forks (ONT to GFK) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Grand Forks

Fastest flight time

7h 34m

Direct flights

None
The fastest flight from Ontario to Grand Forks takes 7h 34m
There are no direct flights from Ontario to Grand Forks. There are no popular flight routes from Ontario to Grand Forks.
Search flight deals

  • How far is Ontario to Grand Forks by plane?

    Ontario and Grand Forks are 1430.6 mi apart from one another. A reasonable flight in good conditions will take 7h 34m.

  • When did momondo last update prices for flights from Ontario Airport to Grand Forks Airport?

    Prices for flights from Ontario Airport to Grand Forks Airport were last updated today.

  • How old do you have to be to fly from Ontario Airport to Grand Forks Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Grand Forks Airport.

  • What documentation or ID do you need to fly to Grand Forks Airport?

    The necessary travel and health documents for your Grand Forks Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Grand Forks?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Grand Forks. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Grand Forks with flexible booking policies on momondo?

All flight searches from Ontario to Grand Forks on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Grand Forks?

Once you have performed a search for Ontario to Grand Forks flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ontario to Grand Forks right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Grand Forks flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Grand Forks trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 3/29
Sun 4/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States