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North Dakota

$139+ Cheap flights from Ontario (ONT) to North Dakota

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FAR
Mar 25 — Apr 11
Wed 3/25
Wed 4/1
1 adult, Economy
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Cheap flight deals from Ontario to North Dakota

Cheapest flights from Ontario to North Dakota
Explore the most affordable flight options available from Ontario to North Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 23, 2026.

This CheapOair deal was found by Cheapflights users on 2/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:59 am
ONT
-
FAR
1 stop16h 12m
Frontier
Sun 4/197:37 pm
FAR
-
ONT
1 stop13h 54m
Frontier
Deal found 2/22$201
This Frontier deal was found by Cheapflights users on 2/21. 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.
Thu 3/126:15 am
ONT
-
FAR
1 stop10h 03m
Frontier
Thu 3/197:14 pm
FAR
-
ONT
1 stop6h 45m
Frontier
Deal found 2/21$254
This Frontier deal was found by Cheapflights users on 2/21. 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.
Thu 3/126:15 am
ONT
-
FAR
1 stop10h 03m
Frontier
Sun 3/227:59 pm
FAR
-
ONT
1 stop6h 00m
Frontier
Deal found 2/21$260
This Delta deal was found by Cheapflights users on 2/18. 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 7/311:00 pm
ONT
-
FAR
2 stops8h 47m
Delta
Wed 8/55:00 am
FAR
-
ONT
2 stops9h 49m
Delta
Deal found 2/18$339
This United Airlines deal was found by Cheapflights users on 2/19. 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 4/111:34 pm
ONT
-
BIS
1 stop4h 54m
United Airlines
Sat 4/189:00 am
BIS
-
ONT
1 stop5h 38m
United Airlines
Deal found 2/19$351
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Wed 7/291:00 pm
ONT
-
FAR
1 stop5h 37m
United Airlines
Tue 8/45:45 am
FAR
-
ONT
2 stops8h 35m
United Airlines
Deal found 2/18$374
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 5/271:18 pm
ONT
-
FAR
1 stop5h 37m
United Airlines
Tue 6/211:35 am
FAR
-
ONT
1 stop7h 53m
United Airlines
Deal found 2/19$389
This Delta deal was found by Cheapflights users on 2/19. 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 7/291:00 pm
ONT
-
FAR
2 stops8h 47m
Delta
Tue 8/45:00 am
FAR
-
ONT
2 stops9h 49m
Delta
Deal found 2/19$404
This Delta deal was found by Cheapflights users on 2/20. 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.
Tue 6/95:55 pm
ONT
-
FAR
2 stops14h 10m
Delta
Sun 6/145:00 am
FAR
-
ONT
2 stops9h 29m
Delta
Deal found 2/20$409
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 10/275:00 am
ONT
-
BIS
1 stop5h 48m
United Airlines
Sat 10/315:07 pm
BIS
-
ONT
1 stop5h 13m
United Airlines
Deal found 2/19$415
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Sat 3/75:02 pm
ONT
-
FAR
1 stop4h 57m
American Airlines
Wed 3/115:16 pm
FAR
-
ONT
1 stop7h 14m
American Airlines
Deal found 2/20$422
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 7/301:00 pm
ONT
-
FAR
1 stop5h 37m
United Airlines
Wed 8/55:45 am
FAR
-
ONT
2 stops8h 35m
United Airlines
Deal found 2/19$424

Find flight deals from Ontario to North Dakota

Keep the following information in mind while searching for Ontario to North Dakota flight deals. Data was last updated February 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$201
(CheapOair)

One-way from

$139
(Super.com)

Popular in

June

Cheapest in

November

Average price

$429
Provider with most accurate pricing for Los Angeles-Fargo Hector Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Fargo Hector Field flights.
Search Deals
From Ontario to North Dakota
Search Deals
One-way flight from Ontario to North Dakota
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to North Dakota 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 February 23, 2026.
Use the filters below to find and compare flights from Ontario to North Dakota that are best for you.

Fly from

Ontario

Fly to

North Dakota

Route

Depart

Return

Price

OntarioFargo

ONT - FAR

ONTFAR

Ontario

Thu 4/16

12:59 am-7:11 pm

1 stop16h 12m

Fargo Hector Field

Sun 4/19

7:37 pm-7:31 am

1 stop13h 54m

$201

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Sat 4/11

1:34 pm-8:28 pm

1 stop4h 54m

Bismarck

Sat 4/18

9:00 am-12:38 pm

1 stop5h 38m

$351

OntarioFargo

ONT - FAR

ONTFAR

Ontario

Fri 7/31

1:00 pm-11:47 pm

2 stops8h 47m

Fargo Hector Field

Tue 8/4

5:00 am-12:49 pm

2 stops9h 49m

$374

OntarioFargo

ONT - FAR

ONTFAR

Ontario

Wed 7/29

1:00 pm-11:47 pm

2 stops8h 47m

Fargo Hector Field

Tue 8/4

5:00 am-12:49 pm

2 stops9h 49m

$404

OntarioFargo

ONT - FAR

ONTFAR

Ontario

Tue 6/9

5:55 pm-10:05 am

2 stops14h 10m

Fargo Hector Field

Sun 6/14

5:00 am-12:29 pm

2 stops9h 29m

$409

OntarioFargo

ONT - FAR

ONTFAR

Ontario

Thu 7/30

1:00 pm-8:37 pm

1 stop5h 37m

Fargo Hector Field

Wed 8/5

5:45 am-12:20 pm

2 stops8h 35m

$424

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Sat 4/11

1:20 pm-11:21 pm

2 stops8h 01m

Bismarck

Sat 4/18

1:19 pm-10:43 pm

2 stops11h 24m

$431

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Sat 3/7

2:39 pm-11:55 pm

1 stop7h 16m

Bismarck

Wed 3/11

2:24 pm-10:30 pm

1 stop10h 06m

$480

OntarioFargo

ONT - FAR

ONTFAR

Ontario

Sun 4/19

5:10 am-12:56 pm

1 stop5h 46m

Fargo Hector Field

Sun 5/24

5:50 am-12:12 pm

2 stops8h 22m

$494

OntarioFargo

ONT - FAR

ONTFAR

Ontario

Fri 4/3

1:43 pm-8:46 pm

1 stop5h 03m

Fargo Hector Field

Tue 4/7

9:02 am-6:02 pm

2 stops11h 00m

$494

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/23

Showing 1-10 of 44 results
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Best time to book a flight from Ontario to North Dakota

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

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

Currently, November is the cheapest month in which you can book a flight from Ontario to North Dakota (average of $125). Flying from Ontario to North Dakota in February is currently the most expensive (average of $292). 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.

How much does it cost to fly round-trip from Ontario to North Dakota?

Reviews of airlines servicing North Dakota

Get insights into the airlines that provide service to North Dakota. 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 North Dakota. Reviews last updated February 23, 2026.
See what other customers who have flown with United Airlines and American Airlines from Ontario to North Dakota 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.
United Airlines
7.4
Good
9,342 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.
United Airlines
7.4
Good
9,342 reviews
United Airlines
7.4
Good
9,342 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.
American Airlines
7.2
Good
11,339 reviews
United Airlines
7.4
Good
9,342 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

Related info for your journey

Find useful and relevant information for your journey from Ontario to North Dakota. 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 from for flights from Ontario to North Dakota?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to North Dakota.

  • How long is the flight from Ontario to North Dakota?

    For as low as $351, Frontier can have you in North Dakota from Ontario in 4h 54m. There are 1242 mi between Ontario and North Dakota. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The most popular flight routes from Ontario to North Dakota are Ontario - Fargo Hector Field, Ontario - Bismarck and Ontario - Williston Basin Intl.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Ontario to North Dakota (average of $125). Flying from Ontario to North Dakota in February is currently the most expensive (average of $292). 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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Alternative routes for Ontario to North Dakota

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Ontario to North Dakota

Discover the top 2 airlines that operate flights from Ontario to North Dakota. 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 February 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$268Average$402FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$299Average$453FlexibilityNo cancel feeOn-time71%

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