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Cheap flights from Ontario to Bismarck from $287

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Bismarck departing on 3/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Bismarck

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:15 am - 1:03 pm
ONT
-
BIS
5h 48m
1 stop
United Airlines Logo
1:44 pm - 10:57 pm
BIS
-
ONT
11h 13m
2 stops
$374United Airlines
Tue, Mar 17 - Sat, Mar 21
United Airlines Logo
1:50 pm - 11:43 pm
ONT
-
BIS
7h 53m
1 stop
United Airlines Logo
1:44 pm - 10:57 pm
BIS
-
ONT
11h 13m
2 stops
$403United Airlines
Fri, Mar 13 - Fri, Mar 27
Multiple Airlines Logo
9:49 pm - 7:53 pm
ONT
-
BIS
20h 04m
2 stops
Multiple Airlines Logo
11:34 am - 8:06 am
BIS
-
ONT
22h 32m
1 stop
$423Multiple Airlines
Fri, Mar 27 - Sun, Mar 29
United Airlines Logo
5:15 am - 1:03 pm
ONT
-
BIS
5h 48m
1 stop
United Airlines Logo
5:05 pm - 8:36 pm
BIS
-
ONT
5h 31m
1 stop
$424United Airlines
Thu, Mar 26 - Mon, Mar 30
United Airlines Logo
1:50 pm - 11:43 pm
ONT
-
BIS
7h 53m
1 stop
United Airlines Logo
8:00 am - 12:48 pm
BIS
-
ONT
6h 48m
1 stop
$426United Airlines
Fri, Mar 13 - Fri, Mar 27
United Airlines Logo
5:15 am - 1:03 pm
ONT
-
BIS
5h 48m
1 stop
United Airlines Logo
9:00 am - 12:38 pm
BIS
-
ONT
5h 38m
1 stop
$457United Airlines
Fri, Mar 27 - Sun, Mar 29
United Airlines Logo
5:15 am - 1:03 pm
ONT
-
BIS
5h 48m
1 stop
United Airlines Logo
5:05 pm - 8:36 pm
BIS
-
ONT
5h 31m
1 stop
$489United Airlines
Fri, Mar 27 - Mon, Mar 30
Delta Logo
6:00 am - 10:33 am
ONT
-
BIS
26h 33m
2 stops
Delta Logo
4:50 pm - 11:51 pm
BIS
-
ONT
9h 01m
2 stops
$499Delta
Thu, Mar 26 - Mon, Mar 30
United Airlines Logo
1:34 pm - 11:43 pm
ONT
-
BIS
8h 09m
1 stop
United Airlines Logo
5:05 pm - 8:36 pm
BIS
-
ONT
5h 31m
1 stop
$519United Airlines
Tue, Apr 7 - Tue, Apr 14
United Airlines Logo
5:00 am - 1:05 pm
ONT
-
BIS
6h 05m
1 stop
United Airlines Logo
5:03 pm - 8:36 pm
BIS
-
ONT
5h 33m
1 stop
$539United Airlines
Thu, May 14 - Sun, May 17

Delta flights from Ontario to Bismarck

Our best Delta deals on Ontario to Bismarck flight tickets
Delta
Mar 11
ONT6:00 amOntario
12h 19m
2 stops
BIS8:19 pmBismarck
Mar 24
BIS4:50 pmBismarck
9h 01m
2 stops
ONT11:51 pmOntario
$389
Delta
Mar 26
ONT6:00 amOntario
26h 33m
2 stops
BIS10:33 amBismarck
Mar 30
BIS4:50 pmBismarck
9h 01m
2 stops
ONT11:51 pmOntario
$499
Delta
Jun 27
ONT6:00 amOntario
11h 53m
2 stops
BIS7:53 pmBismarck
Jul 6
BIS5:30 pmBismarck
8h 14m
2 stops
ONT11:44 pmOntario
$986

American Airlines flights from Ontario to Bismarck

Our best American Airlines deals on Ontario to Bismarck flight tickets
American Airlines
Mar 26
ONT2:39 pmOntario
7h 16m
1 stop
BIS11:55 pmBismarck
Mar 29
BIS2:24 pmBismarck
20h 27m
2 stops
ONT8:51 amOntario
$585
American Airlines
Mar 27
ONT5:02 pmOntario
18h 52m
2 stops
BIS1:54 pmBismarck
Mar 29
BIS2:24 pmBismarck
20h 27m
2 stops
ONT8:51 amOntario
$604
American Airlines
Mar 27
ONT2:39 pmOntario
7h 16m
1 stop
BIS11:55 pmBismarck
Mar 29
BIS2:24 pmBismarck
20h 27m
2 stops
ONT8:51 amOntario
$608

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Bismarck 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, momondo users made 832,500 searches. Data last updated March 3, 2026.
Use the filters below to find and compare flights from Ontario to Bismarck that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Tue 3/17

5:15 am-1:03 pm

1 stop5h 48m

Bismarck

Sat 3/21

1:44 pm-10:57 pm

2 stops11h 13m

$374

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Fri 3/13

1:50 pm-11:43 pm

1 stop7h 53m

Bismarck

Fri 3/27

1:44 pm-10:57 pm

2 stops11h 13m

$403

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Fri 3/27

9:49 pm-7:53 pm

2 stops20h 04m

Bismarck

Sun 3/29

11:34 am-8:06 am

1 stop22h 32m

$423

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Thu 3/26

5:15 am-1:03 pm

1 stop5h 48m

Bismarck

Mon 3/30

5:05 pm-8:36 pm

1 stop5h 31m

$424

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Fri 3/13

1:50 pm-11:43 pm

1 stop7h 53m

Bismarck

Fri 3/27

8:00 am-12:48 pm

1 stop6h 48m

$426

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Fri 3/27

5:15 am-1:03 pm

1 stop5h 48m

Bismarck

Sun 3/29

9:00 am-12:38 pm

1 stop5h 38m

$457

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Fri 3/27

5:15 am-1:03 pm

1 stop5h 48m

Bismarck

Mon 3/30

5:05 pm-8:36 pm

1 stop5h 31m

$489

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Thu 3/26

6:00 am-10:33 am

2 stops26h 33m

Bismarck

Mon 3/30

4:50 pm-11:51 pm

2 stops9h 01m

$499

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Tue 4/7

1:34 pm-11:43 pm

1 stop8h 09m

Bismarck

Tue 4/14

5:05 pm-8:36 pm

1 stop5h 31m

$519

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Thu 5/14

5:00 am-1:05 pm

1 stop6h 05m

Bismarck

Sun 5/17

5:03 pm-8:36 pm

1 stop5h 33m

$539

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Bismarck from

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

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

United Airlines and American Airlines are the most popular carriers operating from Ontario to Bismarck

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

Fastest flight time

5h 48m

Direct flights

None
The fastest flight from Ontario to Bismarck takes 5h 48m
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 48m, 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?

  • 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?

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 AirlinesPriceFrom $319Free CancellationRating
7.4
9,377 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.

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