What is the cheapest airline that flies from North Dakota to Ontario?

United Airlines, American Airlines, and Delta are the most popular carriers operating from North Dakota to Ontario

What airlines fly to Ontario?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Ontario from North Dakota according to our data. United Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 4 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Ontario?

Average flight duration from North Dakota to Ontario depends on which airport you fly into and out of. Flying from Bismarck to Los Angeles is 5h 32m on average, while flying from Williston to Los Angeles is 5h 35m on average. Los Angeles is the most popular airport in Ontario.

When did momondo last update prices for flights from North Dakota to Ontario Airport?

Prices for flights from North Dakota to Ontario Airport are updated daily.

How many operators does momondo search for flights from North Dakota to Ontario Airport?

The number of operators available for flights from North Dakota to Ontario Airport is 3 as of August 2026.

How old do you have to be to fly from North Dakota to Ontario Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from North Dakota to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$120 Cheap Flights from North Dakota to Ontario in 2026

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2:28 pm - 11:55 pmFAR Fargo Hector Field-ONT Ontario

11h 27m1 stop Denver Intl

6:00 am - 1:33 pmONT Ontario-FAR Fargo Hector Field

5h 33m1 stop Denver Intl

$240Frontier

Wed, Oct 14 - Wed, Oct 21

2:28 pm - 11:55 pmFAR Fargo Hector Field-ONT Ontario

11h 27m1 stop Denver Intl

6:00 am - 1:33 pmONT Ontario-FAR Fargo Hector Field

5h 33m1 stop Denver Intl

$240Frontier

Fri, Oct 16 - Wed, Oct 21

2:28 pm - 11:55 pmFAR Fargo Hector Field-ONT Ontario

11h 27m1 stop Denver Intl

6:00 am - 1:33 pmONT Ontario-FAR Fargo Hector Field

5h 33m1 stop Denver Intl

$240Frontier

Fri, Oct 16 - Mon, Oct 19

9:00 am - 6:01 pmFAR Fargo Hector Field-ONT Ontario

11h 01m2 stops Denver Intl San Francisco

5:00 am - 12:56 pmONT Ontario-FAR Fargo Hector Field

5h 56m1 stop Denver Intl

$344United Airlines

Wed, Nov 11 - Sat, Nov 14

9:00 am - 6:01 pmFAR Fargo Hector Field-ONT Ontario

11h 01m2 stops Denver Intl San Francisco

9:25 am - 10:15 pmONT Ontario-FAR Fargo Hector Field

10h 50m2 stops San Francisco Chicago O'Hare Intl

$349United Airlines

Wed, Nov 11 - Sat, Nov 14

5:42 pm - 10:59 pmFAR Fargo Hector Field-ONT Ontario

7h 17m1 stop Dallas/Fort Worth

2:22 pm - 11:59 pmONT Ontario-FAR Fargo Hector Field

7h 37m1 stop Dallas/Fort Worth

$375American Airlines

Mon, Aug 31 - Wed, Sep 9

5:40 pm - 11:43 pmFAR Fargo Hector Field-ONT Ontario

8h 03m1 stop Dallas/Fort Worth

7:00 am - 5:10 pmONT Ontario-FAR Fargo Hector Field

8h 10m1 stop Dallas/Fort Worth

$393American Airlines

Wed, Nov 11 - Sat, Nov 14

9:00 am - 12:50 pmFAR Fargo Hector Field-ONT Ontario

5h 50m1 stop Denver Intl

5:00 am - 12:35 pmONT Ontario-FAR Fargo Hector Field

5h 35m1 stop Denver Intl

$409United Airlines

Tue, Aug 25 - Sat, Aug 29

5:36 pm - 11:34 pmBIS Bismarck-ONT Ontario

7h 58m2 stops Minneapolis St Paul Salt Lake City

6:00 am - 4:56 pmONT Ontario-BIS Bismarck

8h 56m2 stops Salt Lake City Minneapolis St Paul

$419Delta

Tue, Aug 25 - Sat, Aug 29

5:00 am - 4:30 pmFAR Fargo Hector Field-ONT Ontario

13h 30m2 stops Minneapolis St Paul Salt Lake City

1:25 pm - 11:27 pmONT Ontario-FAR Fargo Hector Field

8h 02m2 stops Salt Lake City Minneapolis St Paul

$506Delta

Sat, Dec 12 - Thu, Dec 17

Cheap last minute flights

Enter your travel dates to find the best prices.

2:24 pm - 11:50 pmFAR Fargo Hector Field-ONT Ontario

11h 26m1 stop Denver Intl

10:49 am - 1:48 pmONT Ontario-FAR Fargo Hector Field

24h 59m1 stop Denver Intl

$478Frontier

Mon, Aug 17 - Sun, Aug 23

2:24 pm - 11:50 pmFAR Fargo Hector Field-ONT Ontario

11h 26m1 stop Denver Intl

6:00 am - 1:39 pmONT Ontario-FAR Fargo Hector Field

5h 39m1 stop Denver Intl

$496Frontier

Fri, Aug 14 - Mon, Aug 17

1:55 pm - 6:47 pmBIS Bismarck-ONT Ontario

6h 52m1 stop Dallas/Fort Worth

12:33 pm - 10:44 pmONT Ontario-BIS Bismarck

8h 11m1 stop Dallas/Fort Worth

$531American Airlines

Fri, Aug 14 - Wed, Aug 19

9:52 pm - 2:03 pmFAR Fargo Hector Field-ONT Ontario

18h 11m2 stops Las Vegas Harry Reid Intl San Francisco

10:49 am - 1:48 pmONT Ontario-FAR Fargo Hector Field

24h 59m1 stop Denver Intl

$536Multiple Airlines

Mon, Aug 17 - Sun, Aug 23

6:00 am - 12:12 pmBIS Bismarck-ONT Ontario

8h 12m2 stops Denver Intl San Francisco

1:18 pm - 8:33 pmONT Ontario-BIS Bismarck

5h 15m1 stop Denver Intl

$650United Airlines

Fri, Aug 14 - Fri, Aug 21

6:00 am - 12:12 pmBIS Bismarck-ONT Ontario

8h 12m2 stops Denver Intl San Francisco

9:01 am - 11:38 pmONT Ontario-BIS Bismarck

12h 37m2 stops San Francisco Denver Intl

$655United Airlines

Fri, Aug 14 - Fri, Aug 21

6:00 am - 12:12 pmBIS Bismarck-ONT Ontario

8h 12m2 stops Denver Intl San Francisco

5:00 am - 12:56 pmONT Ontario-BIS Bismarck

5h 56m1 stop Denver Intl

$660United Airlines

Fri, Aug 14 - Wed, Aug 19

11:36 am - 6:15 pmFAR Fargo Hector Field-ONT Ontario

8h 39m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

8:01 pm - 11:56 amONT Ontario-FAR Fargo Hector Field

13h 55m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

$681American Airlines

Mon, Aug 17 - Sun, Aug 23

2:24 pm - 3:14 pmFAR Fargo Hector Field-ONT Ontario

26h 50m2 stops Denver Intl Las Vegas Harry Reid Intl

6:00 am - 1:39 pmONT Ontario-FAR Fargo Hector Field

5h 39m1 stop Denver Intl

$709Frontier

Fri, Aug 14 - Mon, Aug 17

5:00 am - 6:47 pmFAR Fargo Hector Field-ONT Ontario

15h 47m2 stops Chicago O'Hare Intl Dallas/Fort Worth

4:07 pm - 11:56 amONT Ontario-FAR Fargo Hector Field

17h 49m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

$740American Airlines

Fri, Aug 14 - Mon, Aug 17

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Delta flights from North Dakota to Ontario

Our best Delta deals on North Dakota to Ontario flight tickets

Delta

Aug 25

BIS5:36 pmBismarck

7h 58m

2 stops

ONT11:34 pmOntario

Aug 29

ONT6:00 amOntario

8h 56m

2 stops

BIS4:56 pmBismarck

$419

Delta

Dec 12

FAR5:00 amFargo Hector Field

13h 30m

2 stops

ONT4:30 pmOntario

Dec 17

ONT1:25 pmOntario

8h 02m

2 stops

FAR11:27 pmFargo Hector Field

$506

Delta

Dec 13

FAR5:00 amFargo Hector Field

9h 10m

2 stops

ONT12:10 pmOntario

Dec 20

ONT12:00 pmOntario

8h 23m

1 stop

FAR10:23 pmFargo Hector Field

$554

Frontier flights from North Dakota to Ontario

Our best Frontier deals on North Dakota to Ontario flight tickets

Frontier

Oct 14

FAR2:28 pmFargo Hector Field

11h 27m

1 stop

ONT11:55 pmOntario

Oct 21

ONT6:00 amOntario

5h 33m

1 stop

FAR1:33 pmFargo Hector Field

$240

Frontier

Oct 9

FAR2:28 pmFargo Hector Field

11h 27m

1 stop

ONT11:55 pmOntario

Oct 16

ONT6:00 amOntario

5h 33m

1 stop

FAR1:33 pmFargo Hector Field

$265

Frontier

Aug 28

FAR2:33 pmFargo Hector Field

11h 17m

1 stop

ONT11:50 pmOntario

Aug 31

ONT6:00 amOntario

5h 48m

1 stop

FAR1:48 pmFargo Hector Field

$270

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

FargoOntario

FAR Fargo Hector Field - ONT Ontario

FARONT

Fargo Hector Field

Wed 10/14

2:28 pm-11:55 pm

1 stop11h 27m

Ontario

Wed 10/21

6:00 am-1:33 pm

1 stop5h 33m

$240

FargoOntario

FAR Fargo Hector Field - ONT Ontario

FARONT

Fargo Hector Field

Fri 10/16

2:28 pm-11:55 pm

1 stop11h 27m

Ontario

Wed 10/21

6:00 am-1:33 pm

1 stop5h 33m

$240

FargoOntario

FAR Fargo Hector Field - ONT Ontario

FARONT

Fargo Hector Field

Fri 10/16

2:28 pm-11:55 pm

1 stop11h 27m

Ontario

Mon 10/19

6:00 am-1:33 pm

1 stop5h 33m

$240

FargoOntario

FAR Fargo Hector Field - ONT Ontario

FARONT

Fargo Hector Field

Wed 11/11

9:00 am-6:01 pm

2 stops11h 01m

Ontario

Sat 11/14

5:00 am-12:56 pm

1 stop5h 56m

$344

FargoOntario

FAR Fargo Hector Field - ONT Ontario

FARONT

Fargo Hector Field

Wed 11/11

9:00 am-6:01 pm

2 stops11h 01m

Ontario

Sat 11/14

9:25 am-10:15 pm

2 stops10h 50m

$349

FargoOntario

FAR Fargo Hector Field - ONT Ontario

FARONT

Fargo Hector Field

Mon 8/31

5:42 pm-10:59 pm

1 stop7h 17m

Ontario

Wed 9/9

2:22 pm-11:59 pm

1 stop7h 37m

$375

FargoOntario

FAR Fargo Hector Field - ONT Ontario

FARONT

Fargo Hector Field

Wed 11/11

5:40 pm-11:43 pm

1 stop8h 03m

Ontario

Sat 11/14

7:00 am-5:10 pm

1 stop8h 10m

$393

Quickest round-trip

FargoOntario

FAR Fargo Hector Field - ONT Ontario

FARONT

Fargo Hector Field

Tue 8/25

9:00 am-12:50 pm

1 stop5h 50m

Ontario

Sat 8/29

5:00 am-12:35 pm

1 stop5h 35m

$409

BismarckOntario

BIS Bismarck - ONT Ontario

BISONT

Bismarck

Tue 8/25

5:36 pm-11:34 pm

2 stops7h 58m

Ontario

Sat 8/29

6:00 am-4:56 pm

2 stops8h 56m

$419

FargoOntario

FAR Fargo Hector Field - ONT Ontario

FARONT

Fargo Hector Field

Sat 12/12

5:00 am-4:30 pm

2 stops13h 30m

Ontario

Thu 12/17

1:25 pm-11:27 pm

2 stops8h 02m

$506

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from North Dakota to Ontario

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

Prices

Airlines

Other information

What is the cheapest month to fly to Ontario?

In general, November is the cheapest month to fly from North Dakota to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $233. If you aren’t able to travel during the month of November, then book flights to Ontario from North Dakota during October instead. Flights to Ontario in October, while not as cheap as those in November, still average around $341.

Can stopping save me money on North Dakota to Ontario flights?

You could potentially save up to 19% on your flight if you consider stops on a North Dakota to Ontario flight.

Cheap North Dakota to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from North Dakota to Ontario

Fastest flight time	5h 08m
Direct flights	None

The fastest flight from North Dakota to Ontario takes 5h 08m

There are no direct flights from North Dakota to Ontario. There are no popular flight routes from North Dakota to Ontario.

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Frequently asked questions about flying from North Dakota to Ontario

When did momondo last update prices for flights from North Dakota to Ontario Airport?
Prices for flights from North Dakota to Ontario Airport are updated daily.
How many operators does momondo search for flights from North Dakota to Ontario Airport?
The number of operators available for flights from North Dakota to Ontario Airport is 3 as of August 2026.
How old do you have to be to fly from North Dakota to Ontario Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from North Dakota to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from North Dakota to Ontario

Compare and see reviews for airlines that fly from North Dakota to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $138	Free Cancellation	Rating 5.6 2,700 reviews	Search Frontier flights
United Airlines	PriceFrom $259	Free Cancellation	Rating 7.4 10,112 reviews	Search United Airlines flights
American Airlines	PriceFrom $309	Free Cancellation	Rating 7.1 11,920 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from North Dakota to Ontario?

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

Can I find flights from North Dakota to Ontario with flexible booking policies on momondo?

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

How can momondo help me find flights from North Dakota to Ontario?

Once you have performed a search for North Dakota to Ontario 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 North Dakota to Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario from North Dakota. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from North Dakota to Los Angeles from $120

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from North Dakota to Los Angeles departing on 9/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from North Dakota to Ontario

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Our best Frontier deals on North Dakota to Ontario flight tickets

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How to get the cheapest flight ticket from North Dakota to Ontario

What is the cheapest month to fly to Ontario?

Can stopping save me money on North Dakota to Ontario flights?

What is the cheapest airline that flies from North Dakota to Ontario?

What airlines fly to Ontario?

How long does it take to fly to Ontario?

Cheap North Dakota to Ontario flight deals and tips

Fastest flight time

Direct flights

Frequently asked questions about flying from North Dakota to Ontario

Best airlines flying from North Dakota to Ontario

Compare and see reviews for airlines that fly from North Dakota to Ontario with momondo

Why use momondo?

An easier way to manage your Ontario 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California

Fly your favorite airline to Los Angeles

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Los Angeles

List of cabin classes available on flights landing in Los Angeles. Availability may vary depending on flight origin and airline.

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