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Cheap flights from Ontario to Bismarck from $360

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 8/24. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Bismarck

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:52 pm - 11:43 pm
ONT
-
BIS
7h 51m
2 stops
United Airlines Logo
5:00 pm - 8:58 pm
BIS
-
ONT
5h 58m
1 stop
$373United Airlines
Sat, Sep 26 - Mon, Sep 28
United Airlines Logo
5:00 am - 12:27 pm
ONT
-
BIS
5h 27m
1 stop
United Airlines Logo
5:50 am - 12:29 pm
BIS
-
ONT
8h 39m
2 stops
$416United Airlines
Sat, Nov 7 - Wed, Nov 11
United Airlines Logo
5:00 am - 1:01 pm
ONT
-
BIS
6h 01m
1 stop
United Airlines Logo
5:00 pm - 8:58 pm
BIS
-
ONT
5h 58m
1 stop
$424United Airlines
Sat, Sep 26 - Mon, Sep 28
American Airlines Logo
4:07 pm - 1:25 pm
ONT
-
BIS
19h 18m
2 stops
American Airlines Logo
6:45 am - 1:31 pm
BIS
-
ONT
8h 46m
1 stop
$460American Airlines
Mon, Aug 24 - Mon, Aug 31
American Airlines Logo
12:33 pm - 10:44 pm
ONT
-
BIS
8h 11m
1 stop
American Airlines Logo
6:45 am - 1:31 pm
BIS
-
ONT
8h 46m
1 stop
$472American Airlines
Mon, Aug 24 - Mon, Aug 31
United Airlines Logo
5:00 am - 12:27 pm
ONT
-
BIS
5h 27m
1 stop
United Airlines Logo
9:00 am - 8:15 pm
BIS
-
ONT
13h 15m
2 stops
$476United Airlines
Sat, Nov 7 - Wed, Nov 11
United Airlines Logo
1:52 pm - 11:47 pm
ONT
-
BIS
7h 55m
2 stops
United Airlines Logo
9:00 am - 8:06 pm
BIS
-
ONT
13h 06m
2 stops
$477United Airlines
Sat, Nov 7 - Wed, Nov 11
United Airlines Logo
5:00 am - 12:19 pm
ONT
-
BIS
5h 19m
1 stop
United Airlines Logo
9:00 am - 8:06 pm
BIS
-
ONT
13h 06m
2 stops
$481United Airlines
Sat, Nov 7 - Wed, Nov 11
United Airlines Logo
1:52 pm - 11:43 pm
ONT
-
BIS
7h 51m
2 stops
United Airlines Logo
6:00 am - 12:18 pm
BIS
-
ONT
8h 18m
2 stops
$492United Airlines
Sat, Sep 26 - Mon, Sep 28
United Airlines Logo
5:00 am - 12:19 pm
ONT
-
BIS
5h 19m
1 stop
United Airlines Logo
5:50 am - 8:56 pm
BIS
-
ONT
17h 06m
1 stop
$512United Airlines
Sat, Nov 7 - Wed, Nov 11

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American Airlines flights from Ontario to Bismarck

Our best American Airlines deals on Ontario to Bismarck flight tickets
American Airlines
Aug 24
ONT4:07 pmOntario
19h 18m
2 stops
BIS1:25 pmBismarck
Aug 31
BIS6:45 amBismarck
8h 46m
1 stop
ONT1:31 pmOntario
$460
American Airlines
Aug 24
ONT12:33 pmOntario
8h 11m
1 stop
BIS10:44 pmBismarck
Aug 31
BIS6:45 amBismarck
8h 46m
1 stop
ONT1:31 pmOntario
$472
American Airlines
Nov 21
ONT7:49 pmOntario
15h 53m
2 stops
BIS1:42 pmBismarck
Nov 27
BIS1:58 pmBismarck
9h 41m
1 stop
ONT9:39 pmOntario
$615

United Airlines flights from Ontario to Bismarck

Our best United Airlines deals on Ontario to Bismarck flight tickets
United Airlines
Sep 26
ONT1:52 pmOntario
7h 51m
2 stops
BIS11:43 pmBismarck
Sep 28
BIS5:00 pmBismarck
5h 58m
1 stop
ONT8:58 pmOntario
$373
United Airlines
Nov 7
ONT5:00 amOntario
5h 27m
1 stop
BIS12:27 pmBismarck
Nov 11
BIS5:50 amBismarck
8h 39m
2 stops
ONT12:29 pmOntario
$416
United Airlines
Sep 26
ONT5:00 amOntario
6h 01m
1 stop
BIS1:01 pmBismarck
Sep 28
BIS5:00 pmBismarck
5h 58m
1 stop
ONT8:58 pmOntario
$424

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 July 26, 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

Sat 9/26

1:52 pm-11:43 pm

2 stops7h 51m

Bismarck

Mon 9/28

5:00 pm-8:58 pm

1 stop5h 58m

$373

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Sat 11/7

5:00 am-12:27 pm

1 stop5h 27m

Bismarck

Wed 11/11

5:50 am-12:29 pm

2 stops8h 39m

$416
Quickest round-trip

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Sat 9/26

5:00 am-1:01 pm

1 stop6h 01m

Bismarck

Mon 9/28

5:00 pm-8:58 pm

1 stop5h 58m

$424

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Mon 8/24

4:07 pm-1:25 pm

2 stops19h 18m

Bismarck

Mon 8/31

6:45 am-1:31 pm

1 stop8h 46m

$460

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Mon 8/24

12:33 pm-10:44 pm

1 stop8h 11m

Bismarck

Mon 8/31

6:45 am-1:31 pm

1 stop8h 46m

$472

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Sat 11/7

5:00 am-12:27 pm

1 stop5h 27m

Bismarck

Wed 11/11

9:00 am-8:15 pm

2 stops13h 15m

$476

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Sat 11/7

1:52 pm-11:47 pm

2 stops7h 55m

Bismarck

Wed 11/11

9:00 am-8:06 pm

2 stops13h 06m

$477

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Sat 11/7

5:00 am-12:19 pm

1 stop5h 19m

Bismarck

Wed 11/11

9:00 am-8:06 pm

2 stops13h 06m

$481

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Sat 9/26

1:52 pm-11:43 pm

2 stops7h 51m

Bismarck

Mon 9/28

6:00 am-12:18 pm

2 stops8h 18m

$492

OntarioBismarck

ONT - BIS

ONTBIS

Ontario

Sat 11/7

5:00 am-12:19 pm

1 stop5h 19m

Bismarck

Wed 11/11

5:50 am-8:56 pm

1 stop17h 06m

$512

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 24% 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 15m

Direct flights

None
The fastest flight from Ontario to Bismarck takes 5h 15m
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 15m, 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 $324Free CancellationRating
7.4
10,034 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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