HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$218+ Cheap flights from North Dakota to Ontario (ONT)

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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
FAR — ONT
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from North Dakota to Ontario 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 North Dakota to Ontario

Keep the following information in mind while searching for North Dakota to Ontario flight deals. Data was last updated August 2, 2025.

Round-trip from

$218
(Frontier)

Popular in

October

Cheapest in

January

Average price

$383
From North Dakota to Ontario
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from North Dakota to Ontario

Cheapest flights from North Dakota to Ontario
Explore the most affordable flight options available from North Dakota to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2025.

This Frontier deal was found by Cheapflights users on 7/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/203:18 pmFAR - ONT
1 stop10h 32mFrontier
Tue 8/2612:59 amONT - FAR
1 stop11h 24mFrontier
Deal found 7/31$218
This American Airlines deal was found by Cheapflights users on 7/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/224:07 pmFAR - ONT
1 stop8h 41mAmerican Airlines
Tue 8/2611:59 pmONT - FAR
1 stop8h 50mAmerican Airlines
Deal found 7/31$269
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/225:14 pmFAR - ONT
1 stop5h 29mUnited Airlines
Tue 8/266:50 pmONT - FAR
2 stops14h 06mUnited Airlines
Deal found 7/31$288
This United Airlines deal was found by Cheapflights users on 8/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/162:00 pmBIS - ONT
1 stop5h 25mUnited Airlines
Wed 8/201:19 pmONT - BIS
1 stop5h 27mUnited Airlines
Deal found 8/1$319
This American Airlines deal was found by Cheapflights users on 7/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:23 amBIS - ONT
1 stop7h 29mAmerican Airlines
Sun 8/247:02 pmONT - BIS
2 stops17h 18mAmerican Airlines
Deal found 7/31$329
This Delta deal was found by Cheapflights users on 7/31. 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 8/315:00 amFAR - ONT
2 stops9h 14mDelta
Sat 9/61:15 pmONT - FAR
2 stops8h 32mDelta
Deal found 7/31$357
This Trip.com deal was found by Cheapflights users on 7/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/149:46 amFAR - ONT
2 stops24h 07mMultiple Airlines
Thu 9/188:59 pmONT - FAR
1 stop14h 47mMultiple Airlines
Deal found 7/31$385
This United Airlines deal was found by Cheapflights users on 7/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/225:25 pmDIK - ONT
2 stops19h 48mUnited Airlines
Sun 8/245:10 amONT - DIK
1 stop16h 05mUnited Airlines
Deal found 7/31$502

Cheapflights Fare Finder

 
Customize your flight search to find flights from North Dakota to Ontario 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 2, 2025.
Use the filters below to find and compare flights from North Dakota to Ontario that are best for you.

Fly from

North Dakota

Fly to

Ontario

Route

Depart

Return

Price

FargoOntario

FAR - ONT

FARONT

Fargo Hector Field

Wed 8/20

3:18 pm-11:50 pm

1 stop10h 32m

Ontario

Tue 8/26

12:59 am-2:23 pm

1 stop11h 24m

$218

FargoOntario

FAR - ONT

FARONT

Fargo Hector Field

Fri 8/22

4:07 pm-10:48 pm

1 stop8h 41m

Ontario

Tue 8/26

11:59 pm-10:49 am

1 stop8h 50m

$269

FargoOntario

FAR - ONT

FARONT

Fargo Hector Field

Fri 8/22

5:14 pm-8:43 pm

1 stop5h 29m

Ontario

Tue 8/26

6:50 pm-10:56 am

2 stops14h 06m

$288

BismarckOntario

BIS - ONT

BISONT

Bismarck

Sat 8/16

2:00 pm-5:25 pm

1 stop5h 25m

Ontario

Wed 8/20

1:19 pm-8:46 pm

1 stop5h 27m

$319

BismarckOntario

BIS - ONT

BISONT

Bismarck

Fri 8/22

6:23 am-11:52 am

1 stop7h 29m

Ontario

Sun 8/24

7:02 pm-2:20 pm

2 stops17h 18m

$329

FargoOntario

FAR - ONT

FARONT

Fargo Hector Field

Sun 8/31

5:00 am-12:14 pm

2 stops9h 14m

Ontario

Sat 9/6

1:15 pm-11:47 pm

2 stops8h 32m

$357

FargoOntario

FAR - ONT

FARONT

Fargo Hector Field

Sun 9/14

9:46 am-7:53 am

2 stops24h 07m

Ontario

Thu 9/18

8:59 pm-1:46 pm

1 stop14h 47m

$385

DickinsonOntario

DIK - ONT

DIKONT

Dickinson

Fri 8/22

5:25 pm-12:13 pm

2 stops19h 48m

Ontario

Sun 8/24

5:10 am-10:15 pm

1 stop16h 05m

$502

DickinsonOntario

DIK - ONT

DIKONT

Dickinson

Sat 8/16

8:30 am-12:32 pm

1 stop5h 02m

$332

BismarckOntario

BIS - ONT

BISONT

Bismarck

Sun 8/31

9:31 am-8:33 pm

2 stops13h 02m

$335

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 11 results
1
2

Best time to book a flight from North Dakota to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from North Dakota 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 North Dakota to Ontario

What is the cheapest month to book a flight from North Dakota to Ontario?

Currently, August is the cheapest month in which you can book a flight from North Dakota to Ontario (average of $246). Flying from North Dakota to Ontario in March is currently the most expensive (average of $328). 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.

What is the cheapest time of day to fly from ND to ONT?

Find hourly flight availability from North Dakota to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 2, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from North Dakota to Ontario as you normally would.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated August 2, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from North Dakota to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,983 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,904 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Frontier
5.9
Fair
3,241 reviews
Delta
8.0
Very good
7,983 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

  • What airport do you fly into for flights to Ontario from North Dakota?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Ontario from North Dakota.

  • What are the most popular routes from North Dakota to Ontario?

    When deciding which route to take from North Dakota to Ontario consider Fargo Hector Field - Ontario, Bismarck - Ontario or Dickinson - Ontario as they are the most popular.

  • Can I find deals for flights from North Dakota to Ontario that include hotel bookings?

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

  • How can I find direct flights from North Dakota to Ontario?

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

  • Can I find deals for business class flights from North Dakota to Ontario?

    Yes. Cheapflights offers flight deals from North Dakota to Ontario 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 North Dakota to Ontario?

    Currently, August is the cheapest month in which you can book a flight from North Dakota to Ontario (average of $246). Flying from North Dakota to Ontario in March is currently the most expensive (average of $328). 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

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 for North Dakota to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to Los Angeles flights
Newark to Los Angeles flights
John F Kennedy Intl to San Francisco flights
Los Angeles to Las Vegas flights
Dallas/Fort Worth to Las Vegas flights
Dallas/Fort Worth to Los Angeles flights
Newark to San Francisco flights
Newark to Las Vegas flights
O'Hare Intl to Las Vegas flights
LaGuardia to Los Angeles flights
LaGuardia to Las Vegas flights
Hobby to Las Vegas flights
Burbank to Las Vegas flights
Los Angeles to San Jose flights
Seattle to Las Vegas flights
Los Angeles to San Francisco flights
Santa Ana to Las Vegas flights
Seattle to San Francisco flights
San Jose to Los Angeles flights
San Francisco to Ontario flights
Santa Ana to San Francisco flights
San Francisco to Los Angeles flights
Boston to Las Vegas flights
Dulles Intl to Las Vegas flights
Denver to Las Vegas flights
San Francisco to Las Vegas flights
Seattle to Los Angeles flights
Boston to Los Angeles flights
LaGuardia to San Francisco flights
Ontario to San Francisco flights
Santa Ana to Oakland flights
Reagan-National to Las Vegas flights
Reagan-National to Los Angeles flights
San Francisco to Santa Ana flights
Austin to Las Vegas flights
Baltimore to Las Vegas flights
Oakland to Las Vegas flights
George Bush Intcntl to Las Vegas flights
Seattle to San Diego flights
O'Hare Intl to Los Angeles flights
John F Kennedy Intl to Ontario flights
Oakland to Santa Ana flights
Newark to Burbank flights
Oakland to Los Angeles flights
San Jose to Las Vegas flights
Love Field to Las Vegas flights
Atlanta to Las Vegas flights
Fort Lauderdale to Las Vegas flights
Minneapolis to Las Vegas flights

Top 3 airlines flying from North Dakota to Ontario

Discover the top 3 airlines that operate flights from North Dakota to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$138Average$292FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$229Average$385FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$484FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.