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Cheap flights from Ontario to Bismarck from $334

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 5/21. 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
6:00 am - 8:31 pm
ONT
-
BIS
12h 31m
2 stops
United Airlines Logo
1:55 pm - 10:59 pm
BIS
-
ONT
11h 04m
2 stops
$376United Airlines
Wed, May 13 - Sat, May 16
Delta Logo
6:00 am - 7:46 pm
ONT
-
BIS
11h 46m
2 stops
Delta Logo
1:10 pm - 11:44 pm
BIS
-
ONT
12h 34m
2 stops
$395Delta
Wed, Aug 5 - Tue, Aug 11
Multiple Airlines Logo
3:34 pm - 11:44 am
ONT
-
BIS
18h 10m
1 stop
Multiple Airlines Logo
12:34 pm - 3:09 pm
BIS
-
ONT
28h 35m
1 stop
$403Multiple Airlines
Wed, Aug 5 - Thu, Aug 13
United Airlines Logo
1:40 pm - 11:41 pm
ONT
-
BIS
8h 01m
1 stop
United Airlines Logo
1:55 pm - 10:59 pm
BIS
-
ONT
11h 04m
2 stops
$405United Airlines
Wed, May 13 - Sat, May 16
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
$412United Airlines
Wed, May 13 - Sat, May 16
Delta Logo
6:00 am - 7:46 pm
ONT
-
BIS
11h 46m
2 stops
Delta Logo
7:31 am - 4:14 pm
BIS
-
ONT
10h 43m
2 stops
$414Delta
Wed, Aug 5 - Mon, Aug 10
Multiple Airlines Logo
8:33 pm - 11:44 am
ONT
-
BIS
13h 11m
2 stops
Multiple Airlines Logo
12:34 pm - 3:09 pm
BIS
-
ONT
28h 35m
1 stop
$452Multiple Airlines
Wed, Aug 5 - Thu, Aug 13
United Airlines Logo
1:18 pm - 8:28 pm
ONT
-
BIS
5h 10m
1 stop
United Airlines Logo
6:00 am - 12:12 pm
BIS
-
ONT
8h 12m
2 stops
$455United Airlines
Fri, Jul 31 - Wed, Aug 12
Multiple Airlines Logo
1:27 pm - 11:44 am
ONT
-
BIS
20h 17m
1 stop
Multiple Airlines Logo
12:34 pm - 7:48 pm
BIS
-
ONT
9h 14m
1 stop
$468Multiple Airlines
Wed, Aug 5 - Sun, Aug 9
United Airlines Logo
1:18 pm - 8:28 pm
ONT
-
BIS
5h 10m
1 stop
United Airlines Logo
9:16 am - 12:38 pm
BIS
-
ONT
5h 22m
1 stop
$469United Airlines
Fri, Jul 31 - Sat, Aug 15

United Airlines flights from Ontario to Bismarck

Our best United Airlines deals on Ontario to Bismarck flight tickets
United Airlines
May 13
ONT6:00 amOntario
12h 31m
2 stops
BIS8:31 pmBismarck
May 16
BIS1:55 pmBismarck
11h 04m
2 stops
ONT10:59 pmOntario
$376
United Airlines
May 13
ONT1:40 pmOntario
8h 01m
1 stop
BIS11:41 pmBismarck
May 16
BIS1:55 pmBismarck
11h 04m
2 stops
ONT10:59 pmOntario
$405
United Airlines
May 13
ONT5:00 amOntario
6h 05m
1 stop
BIS1:05 pmBismarck
May 16
BIS5:03 pmBismarck
5h 33m
1 stop
ONT8:36 pmOntario
$412

Delta flights from Ontario to Bismarck

Our best Delta deals on Ontario to Bismarck flight tickets
Delta
Aug 5
ONT6:00 amOntario
11h 46m
2 stops
BIS7:46 pmBismarck
Aug 11
BIS1:10 pmBismarck
12h 34m
2 stops
ONT11:44 pmOntario
$395
Delta
Aug 5
ONT6:00 amOntario
11h 46m
2 stops
BIS7:46 pmBismarck
Aug 14
BIS7:31 amBismarck
10h 43m
2 stops
ONT4:14 pmOntario
$414
Delta
Aug 4
ONT6:00 amOntario
9h 00m
2 stops
BIS5:00 pmBismarck
Aug 13
BIS5:30 pmBismarck
8h 14m
2 stops
ONT11:44 pmOntario
$509

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 April 21, 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

Cheapest round-trip

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Wed 5/13

6:00 am-8:31 pm

2 stops12h 31m

Bismarck

Sat 5/16

1:55 pm-10:59 pm

2 stops11h 04m

$376

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Wed 8/5

6:00 am-7:46 pm

2 stops11h 46m

Bismarck

Tue 8/11

1:10 pm-11:44 pm

2 stops12h 34m

$395

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Wed 8/5

3:34 pm-11:44 am

1 stop18h 10m

Bismarck

Thu 8/13

12:34 pm-3:09 pm

1 stop28h 35m

$403

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Wed 5/13

1:40 pm-11:41 pm

1 stop8h 01m

Bismarck

Sat 5/16

1:55 pm-10:59 pm

2 stops11h 04m

$405

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Wed 5/13

5:00 am-1:05 pm

1 stop6h 05m

Bismarck

Sat 5/16

5:03 pm-8:36 pm

1 stop5h 33m

$412

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Wed 8/5

6:00 am-7:46 pm

2 stops11h 46m

Bismarck

Mon 8/10

7:31 am-4:14 pm

2 stops10h 43m

$414

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Wed 8/5

8:33 pm-11:44 am

2 stops13h 11m

Bismarck

Thu 8/13

12:34 pm-3:09 pm

1 stop28h 35m

$452

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Fri 7/31

1:18 pm-8:28 pm

1 stop5h 10m

Bismarck

Wed 8/12

6:00 am-12:12 pm

2 stops8h 12m

$455

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Wed 8/5

1:27 pm-11:44 am

1 stop20h 17m

Bismarck

Sun 8/9

12:34 pm-7:48 pm

1 stop9h 14m

$468
Quickest round-trip

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Fri 7/31

1:18 pm-8:28 pm

1 stop5h 10m

Bismarck

Sat 8/15

9:16 am-12:38 pm

1 stop5h 22m

$469

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

Can stopping save me money on Ontario to Bismarck flights?

You could potentially save up to 10% on your flight if you consider stops on a Ontario to Bismarck flight.

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 10m

Direct flights

None
The fastest flight from Ontario to Bismarck takes 5h 10m
There are no direct flights from Ontario to Bismarck. There are no popular flight routes from Ontario to Bismarck.
Search flight deals

Frequently asked questions about flying from Ontario to Bismarck

  • How far is Ontario to Bismarck by plane?

    Bismarck is 1243.9 mi away from Ontario. Flights usually cover this in 5h 10m, 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
9,613 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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