What is the cheapest airline that flies from Ontario to Bismarck?

United Airlines is the most popular carrier operating from Ontario to Bismarck

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

Prices for flights from Ontario Airport to Bismarck Airport are refreshed on a daily basis.

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

As of October 2025, there is 1 operator available to choose from for flights from Ontario Airport to Bismarck Airport.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Bismarck Airport.

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

The required travel and health documents for your Bismarck 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 Bismarck Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$292 Cheap Flights from Ontario to Bismarck in 2025/26

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Find the cheapest flights from Ontario to Bismarck

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:05 am - 12:54 pmONT-BIS

5h 49m1 stop

1:35 pm - 10:53 pmBIS-ONT

11h 18m2 stops

$354United Airlines

Find Deal

Wed, Dec 3 - Thu, Jan 8

5:05 am - 12:54 pmONT-BIS

5h 49m1 stop

8:00 am - 12:47 pmBIS-ONT

6h 47m1 stop

$374United Airlines

Find Deal

Wed, Dec 3 - Thu, Jan 8

5:05 am - 12:54 pmONT-BIS

5h 49m1 stop

1:49 pm - 9:07 pmBIS-ONT

9h 18m1 stop

$469United Airlines

Find Deal

Sat, Dec 13 - Thu, Jan 1

12:58 am - 11:21 amONT-BIS

32h 23m2 stops

11:36 am - 9:06 pmBIS-ONT

11h 30m1 stop

$614Multiple Airlines

Find Deal

Sun, Nov 23 - Sat, Nov 29

5:05 am - 1:11 pmONT-BIS

6h 06m1 stop

9:08 am - 12:33 pmBIS-ONT

5h 25m1 stop

$624United Airlines

Find Deal

Mon, Nov 24 - Sat, Nov 29

1:40 pm - 11:39 pmONT-BIS

7h 59m2 stops

9:08 am - 12:33 pmBIS-ONT

5h 25m1 stop

$629United Airlines

Find Deal

Mon, Nov 24 - Sat, Nov 29

5:05 am - 11:39 pmONT-BIS

16h 34m1 stop

9:08 am - 12:33 pmBIS-ONT

5h 25m1 stop

$632United Airlines

Find Deal

Mon, Nov 24 - Sat, Nov 29

5:05 am - 12:54 pmONT-BIS

5h 49m1 stop

5:15 pm - 8:42 pmBIS-ONT

5h 27m1 stop

$666United Airlines

Find Deal

Mon, Dec 8 - Tue, Dec 9

5:05 am - 12:54 pmONT-BIS

5h 49m1 stop

5:45 am - 12:17 pmBIS-ONT

8h 32m2 stops

$671United Airlines

Find Deal

Mon, Dec 8 - Tue, Dec 9

6:38 pm - 11:39 pmONT-BIS

27h 01m3 stops

9:08 am - 12:33 pmBIS-ONT

5h 25m1 stop

$698United Airlines

Find Deal

Mon, Nov 24 - Sat, Nov 29

United Airlines flights from Ontario to Bismarck

Our best United Airlines deals on Ontario to Bismarck flight tickets

United Airlines

Dec 3

ONT5:05 amOntario

5h 49m

1 stop

BIS12:54 pmBismarck

Jan 8

BIS1:35 pmBismarck

11h 18m

2 stops

ONT10:53 pmOntario

$354

Find similar

United Airlines

Dec 3

ONT5:05 amOntario

5h 49m

1 stop

BIS12:54 pmBismarck

Jan 8

BIS8:00 amBismarck

6h 47m

1 stop

ONT12:47 pmOntario

$374

Find similar

United Airlines

Dec 13

ONT5:05 amOntario

5h 49m

1 stop

BIS12:54 pmBismarck

Jan 1

BIS1:49 pmBismarck

9h 18m

1 stop

ONT9:07 pmOntario

$469

Find similar

Delta flights from Ontario to Bismarck

Our best Delta deals on Ontario to Bismarck flight tickets

Delta

Oct 8

ONT6:00 amOntario

11h 37m

2 stops

BIS7:37 pmBismarck

Oct 12

BIS1:14 pmBismarck

12h 25m

2 stops

ONT11:39 pmOntario

$730

Find similar

Delta

Oct 9

ONT6:00 amOntario

11h 37m

2 stops

BIS7:37 pmBismarck

Oct 12

BIS1:14 pmBismarck

12h 25m

2 stops

ONT11:39 pmOntario

$778

Find similar

Delta

Oct 9

ONT1:15 pmOntario

8h 01m

2 stops

BIS11:16 pmBismarck

Oct 12

BIS1:14 pmBismarck

12h 25m

2 stops

ONT11:39 pmOntario

$2,773

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Wed 12/3

5:05 am-12:54 pm

1 stop5h 49m

Bismarck

Thu 1/8

1:35 pm-10:53 pm

2 stops11h 18m

$354

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Wed 12/3

5:05 am-12:54 pm

1 stop5h 49m

Bismarck

Thu 1/8

8:00 am-12:47 pm

1 stop6h 47m

$374

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Sat 12/13

5:05 am-12:54 pm

1 stop5h 49m

Bismarck

Thu 1/1

1:49 pm-9:07 pm

1 stop9h 18m

$469

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Sun 11/23

12:58 am-11:21 am

2 stops32h 23m

Bismarck

Sat 11/29

11:36 am-9:06 pm

1 stop11h 30m

$614

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Mon 11/24

5:05 am-1:11 pm

1 stop6h 06m

Bismarck

Sat 11/29

9:08 am-12:33 pm

1 stop5h 25m

$624

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Mon 11/24

1:40 pm-11:39 pm

2 stops7h 59m

Bismarck

Sat 11/29

9:08 am-12:33 pm

1 stop5h 25m

$629

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Mon 11/24

5:05 am-11:39 pm

1 stop16h 34m

Bismarck

Sat 11/29

9:08 am-12:33 pm

1 stop5h 25m

$632

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Mon 12/8

5:05 am-12:54 pm

1 stop5h 49m

Bismarck

Tue 12/9

5:15 pm-8:42 pm

1 stop5h 27m

$666

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Mon 12/8

5:05 am-12:54 pm

1 stop5h 49m

Bismarck

Tue 12/9

5:45 am-12:17 pm

2 stops8h 32m

$671

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Mon 11/24

6:38 pm-11:39 pm

3 stops27h 01m

Bismarck

Sat 11/29

9:08 am-12:33 pm

1 stop5h 25m

$698

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Bismarck

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

What is the cheapest day to depart on your flight to Bismarck?

The cheapest day to depart from Ontario to Bismarck is on a Tuesday. Travelers who choose to depart for Bismarck on a Tuesday will often find tickets for as low as $381. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $533. These prices are subject to change though, so be sure to set up a Price Alert for flights to Bismarck.

What is the cheapest time of day to depart on your flight to Bismarck?

According to our data, the cheapest time of day to fly to Bismarck is in the afternoon. momondo users have found flights departing from Ontario to Bismarck in the afternoon for as low as $343. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around $429. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Ontario to Bismarck

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Bismarck according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Bismarck (ONT to BIS) flight deals and tips

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

Direct flights	None

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

Search flight deals

How far is Ontario to Bismarck by plane?
Bismarck is 1243.9 mi away from Ontario. Flights usually cover this in 5h 49m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Ontario Airport to Bismarck Airport?
Prices for flights from Ontario Airport to Bismarck Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario Airport to Bismarck Airport?
As of October 2025, there is 1 operator available to choose from for flights from Ontario Airport to Bismarck Airport.
How old do you have to be to fly from Ontario Airport to Bismarck Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Bismarck Airport.
What documentation or ID do you need to fly to Bismarck Airport?
The required travel and health documents for your Bismarck 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 Bismarck Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Ontario to Bismarck?
momondo data reveals that the most frequently booked airline on the route from Ontario to Bismarck is United Airlines, representing 100% of all bookings.

Best airlines flying from Ontario to Bismarck

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $319	Free Cancellation	Rating 7.4 8,953 reviews		Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Bismarck for you.

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

Yes. All flights to Bismarck from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ontario to Bismarck?

momondo provides multiple filters to help you find the best flight to Bismarck from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Bismarck from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.