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$354+ Cheap flights from Bismarck (BIS) to Ontario

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — YYZ
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Bismarck to Ontario

Keep the following information in mind while searching for Bismarck to Ontario flight deals. Data was last updated June 12, 2025.

Round-trip from

$610
(American Airlines)

One-way from

$354
(American Airlines)
From Bismarck to Ontario
Search Deals
One-way flight from Bismarck to Ontario
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Find flight deals from Bismarck to Ontario

Cheapest flights from Bismarck to Ontario
Explore the most affordable flight options available from Bismarck to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/512:39 pmBIS - YUL
1 stop21h 57mAmerican Airlines
Fri 8/85:29 pmYUL - BIS
1 stop20h 19mAmerican Airlines
Deal found 6/10$610
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/35:45 pmBIS - YUL
1 stop4h 30mDelta
Wed 8/136:00 amYUL - BIS
2 stops11h 47mDelta
Deal found 6/9$714
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/39:20 amBIS - YUL
1 stop13h 06mUnited Airlines
Wed 8/134:05 pmYUL - BIS
1 stop19h 29mUnited Airlines
Deal found 6/9$737

Cheapflights Fare Finder

Customize your flight search to find flights from Bismarck to Ontario 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Bismarck to Ontario that are best for you.

Fly from

Bismarck

Fly to

Ontario

Route

Depart

Return

Price

BismarckMontreal

BIS - YUL

BISYUL

Bismarck

Tue 8/5

12:39 pm-11:36 am

1 stop21h 57m

Montreal Pierre Elliott Trudeau Intl

Fri 8/8

5:29 pm-12:48 pm

1 stop20h 19m

$610

BismarckMontreal

BIS - YUL

BISYUL

Bismarck

Sun 8/3

5:45 pm-11:15 pm

1 stop4h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 8/13

6:00 am-4:47 pm

2 stops11h 47m

$714

BismarckMontreal

BIS - YUL

BISYUL

Bismarck

Sun 8/3

9:20 am-11:26 pm

1 stop13h 06m

Montreal Pierre Elliott Trudeau Intl

Wed 8/13

4:05 pm-10:34 am

1 stop19h 29m

$737

BismarckMontreal

BIS - YUL

BISYUL

Bismarck

Tue 7/15

3:00 pm-12:20 pm

2 stops20h 20m

$354

BismarckMontreal

BIS - YUL

BISYUL

Bismarck

Tue 7/15

6:00 am-8:05 pm

3 stops13h 05m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Best time to book a flight from Bismarck to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Bismarck with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Bismarck to Ontario

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Bismarck to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Bismarck to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Bismarck to Ontario?

    Bismarck (BIS) is the airport you will fly out of if you book a flight from Bismarck to Ontario. It is only a 2.5 mi journey to Bismarck (BIS) from Bismarck’s city center.

  • Can I find deals for flights from Bismarck to Ontario that include hotel bookings?

    Yes. In addition to deals on Bismarck to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bismarck to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bismarck to Ontario.

  • Can I find deals for business class flights from Bismarck to Ontario?

    Yes. Cheapflights offers flight deals from Bismarck to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Bismarck to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Bismarck to Region of Ontario (average of $243). Flying from Bismarck to Region of Ontario in July is currently the most expensive (average of $353). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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