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

Delta and United Airlines are the most popular carriers 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 August 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.

$221 Cheap Flights from Ontario to Bismarck (ONT-BIS) in 2025

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Find the cheapest flights from Ontario to Bismarck (ONT-BIS)

Round-trip

One-way

Cheap round-trip flights

10:53 am - 10:26 pmONT-BIS

9h 33m1 stop

6:19 am - 1:54 pmBIS-ONT

9h 35m1 stop

$269American Airlines

Find Deal

Sat, Sep 6 - Wed, Sep 10

5:10 am - 12:59 pmONT-BIS

5h 49m1 stop

9:31 am - 5:37 pmBIS-ONT

10h 06m2 stops

$274United Airlines

Find Deal

Sat, Sep 6 - Wed, Sep 10

12:45 pm - 10:26 pmONT-BIS

7h 41m1 stop

6:19 am - 6:16 pmBIS-ONT

13h 57m2 stops

$311American Airlines

Find Deal

Fri, Sep 26 - Tue, Sep 30

10:20 am - 10:26 pmONT-BIS

10h 06m2 stops

2:32 pm - 11:56 amBIS-ONT

23h 24m2 stops

$317American Airlines

Find Deal

Sat, Sep 6 - Wed, Sep 10

1:10 pm - 2:01 pmONT-BIS

22h 51m2 stops

6:19 am - 6:16 pmBIS-ONT

13h 57m2 stops

$445American Airlines

Find Deal

Fri, Sep 26 - Tue, Sep 30

1:19 pm - 8:46 pmONT-BIS

5h 27m1 stop

6:00 am - 12:13 pmBIS-ONT

8h 13m2 stops

$498United Airlines

Find Deal

Sat, Aug 30 - Mon, Sep 1

1:42 pm - 11:39 pmONT-BIS

7h 57m2 stops

6:00 am - 12:13 pmBIS-ONT

8h 13m2 stops

$503United Airlines

Find Deal

Sat, Aug 30 - Mon, Sep 1

1:15 pm - 9:52 pmONT-BIS

6h 37m1 stop

8:00 am - 12:51 pmBIS-ONT

6h 51m1 stop

$521United Airlines

Find Deal

Thu, Oct 16 - Sun, Oct 19

5:10 am - 12:59 pmONT-BIS

5h 49m1 stop

9:31 am - 12:32 pmBIS-ONT

5h 01m1 stop

$589United Airlines

Find Deal

Sun, Sep 7 - Wed, Sep 10

1:15 pm - 11:18 pmONT-BIS

8h 03m2 stops

1:14 pm - 10:40 pmBIS-ONT

11h 26m2 stops

$799Delta

Find Deal

Mon, Sep 1 - Thu, Sep 4

American Airlines flights from Ontario to Bismarck

Our best American Airlines deals on Ontario to Bismarck flight tickets

American Airlines

Sep 6

ONT10:53 amOntario

9h 33m

1 stop

BIS10:26 pmBismarck

Sep 10

BIS6:19 amBismarck

9h 35m

1 stop

ONT1:54 pmOntario

$269

Find similar

American Airlines

Sep 26

ONT12:45 pmOntario

7h 41m

1 stop

BIS10:26 pmBismarck

Sep 30

BIS6:19 amBismarck

13h 57m

2 stops

ONT6:16 pmOntario

$311

Find similar

American Airlines

Sep 6

ONT10:20 amOntario

10h 06m

2 stops

BIS10:26 pmBismarck

Sep 10

BIS2:32 pmBismarck

23h 24m

2 stops

ONT11:56 amOntario

$317

Find similar

United Airlines flights from Ontario to Bismarck

Our best United Airlines deals on Ontario to Bismarck flight tickets

United Airlines

Sep 6

ONT5:10 amOntario

5h 49m

1 stop

BIS12:59 pmBismarck

Sep 10

BIS9:31 amBismarck

10h 06m

2 stops

ONT5:37 pmOntario

$274

Find similar

United Airlines

Aug 30

ONT1:19 pmOntario

5h 27m

1 stop

BIS8:46 pmBismarck

Sep 1

BIS6:00 amBismarck

8h 13m

2 stops

ONT12:13 pmOntario

$498

Find similar

United Airlines

Aug 30

ONT1:42 pmOntario

7h 57m

2 stops

BIS11:39 pmBismarck

Sep 1

BIS6:00 amBismarck

8h 13m

2 stops

ONT12:13 pmOntario

$503

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Sat 9/6

10:53 am-10:26 pm

1 stop9h 33m

Bismarck

Wed 9/10

6:19 am-1:54 pm

1 stop9h 35m

$269

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Sat 9/6

5:10 am-12:59 pm

1 stop5h 49m

Bismarck

Wed 9/10

9:31 am-5:37 pm

2 stops10h 06m

$274

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Fri 9/26

12:45 pm-10:26 pm

1 stop7h 41m

Bismarck

Tue 9/30

6:19 am-6:16 pm

2 stops13h 57m

$311

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Sat 9/6

10:20 am-10:26 pm

2 stops10h 06m

Bismarck

Wed 9/10

2:32 pm-11:56 am

2 stops23h 24m

$317

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Fri 9/26

1:10 pm-2:01 pm

2 stops22h 51m

Bismarck

Tue 9/30

6:19 am-6:16 pm

2 stops13h 57m

$445

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Sat 8/30

1:19 pm-8:46 pm

1 stop5h 27m

Bismarck

Mon 9/1

6:00 am-12:13 pm

2 stops8h 13m

$498

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Sat 8/30

1:42 pm-11:39 pm

2 stops7h 57m

Bismarck

Mon 9/1

6:00 am-12:13 pm

2 stops8h 13m

$503

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Thu 10/16

1:15 pm-9:52 pm

1 stop6h 37m

Bismarck

Sun 10/19

8:00 am-12:51 pm

1 stop6h 51m

$521

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Sun 9/7

5:10 am-12:59 pm

1 stop5h 49m

Bismarck

Wed 9/10

9:31 am-12:32 pm

1 stop5h 01m

$589

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Mon 9/1

1:15 pm-11:18 pm

2 stops8h 03m

Bismarck

Thu 9/4

1:14 pm-10:40 pm

2 stops11h 26m

$799

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

Best Price Found	$221
Fastest flight time	5h 27m
Direct flights	None
Airports in Bismarck	1 airport

The best one-way flight to Bismarck from Ontario in the past 72 hours is $221. The best round-trip flight deal from Ontario to Bismarck found on momondo in the last 72 hours is $269.

The fastest flight from Ontario to Bismarck takes 5h 27m

There are no direct flights from Ontario to Bismarck. Popular non-direct route for this connection is Ontario Airport - Bismarck Airport.

There is 1 airport near Bismarck: Bismarck (BIS)

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 27m, 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 August 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 8,925 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.