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Ontario

$279+ Cheap flights from Bismarck to Ontario (BIS - ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
BIS — ONT
nov 27 — dez 41
qui 11/27
qui 12/4
1 adult, Economy
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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 outubro 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 12/1811:36 amBIS - ONT
1 stop7h 46mMultiple Airlines
sáb 12/276:00 amONT - BIS
1 stop13h 25mMultiple Airlines
Deal found 10/27$359
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 12/1811:36 amBIS - ONT
1 stop7h 46mMultiple Airlines
sex 12/265:54 pmONT - BIS
1 stop25h 31mMultiple Airlines
Deal found 10/27$370
This Delta deal was found by Cheapflights users on 10/26. 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.
qua 11/51:14 pmBIS - ONT
2 stops10h 06mDelta
dom 11/96:00 amONT - BIS
2 stops8h 55mDelta
Deal found 10/26$411
This Delta deal was found by Cheapflights users on 10/26. 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.
qua 11/511:20 amBIS - ONT
2 stops12h 00mDelta
sáb 11/89:50 amONT - BIS
2 stops7h 57mDelta
Deal found 10/26$416
This United Airlines deal was found by Cheapflights users on 10/26. 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.
qua 11/59:08 amBIS - ONT
2 stops10h 26mUnited Airlines
sáb 11/85:05 amONT - BIS
1 stop6h 06mUnited Airlines
Deal found 10/26$448
This United Airlines deal was found by Cheapflights users on 10/27. 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.
sex 10/315:15 pmBIS - ONT
1 stop5h 29mUnited Airlines
dom 11/21:29 pmONT - BIS
1 stop5h 22mUnited Airlines
Deal found 10/27$450
This American Airlines deal was found by Cheapflights users on 10/26. 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.
qua 11/53:02 pmBIS - ONT
1 stop9h 27mAmerican Airlines
sáb 11/812:46 pmONT - BIS
1 stop7h 36mAmerican Airlines
Deal found 10/26$469
This Delta deal was found by Cheapflights users on 10/26. 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.
sex 11/711:20 amBIS - ONT
2 stops12h 00mDelta
sáb 11/89:50 amONT - BIS
2 stops7h 57mDelta
Deal found 10/26$474
This United Airlines deal was found by Cheapflights users on 10/26. 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.
qua 11/59:08 amBIS - ONT
2 stops10h 26mUnited Airlines
dom 11/95:05 amONT - BIS
1 stop6h 06mUnited Airlines
Deal found 10/26$482
This United Airlines deal was found by Cheapflights users on 10/26. 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.
qui 11/65:15 pmBIS - ONT
1 stop5h 29mUnited Airlines
sáb 11/85:05 amONT - BIS
1 stop6h 06mUnited Airlines
Deal found 10/26$561
This American Airlines deal was found by Cheapflights users on 10/26. 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.
qua 11/56:00 amBIS - ONT
1 stop7h 54mAmerican Airlines
dom 11/910:47 amONT - BIS
1 stop9h 36mAmerican Airlines
Deal found 10/26$571

Cheap flight deals from Bismarck to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Bismarck (BIS) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated outubro 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$349
(United Airlines)

One-way from

$342
(United Airlines)

Popular in

November

Cheapest in

August

Average price

$383
Provider with most accurate pricing for Bismarck-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bismarck-Ontario flights.
Search Deals
From Bismarck to Ontario
Search Deals
One-way flight from Bismarck to Ontario
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 outubro 28, 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

BismarckOntario

BIS - ONT

BISONT

Bismarck

ter 1/13

5:00 am-12:16 pm

2 stops9h 16m

Ontario

sáb 1/17

1:10 pm-11:28 pm

2 stops8h 18m

$279

BismarckOntario

BIS - ONT

BISONT

Bismarck

sáb 4/4

5:07 pm-8:17 pm

1 stop5h 10m

Ontario

qua 4/8

4:15 pm-11:37 pm

1 stop5h 22m

$349

BismarckOntario

BIS - ONT

BISONT

Bismarck

ter 1/13

9:00 am-12:47 pm

1 stop5h 47m

Ontario

sáb 1/17

5:05 am-12:51 pm

1 stop5h 46m

$349

BismarckOntario

BIS - ONT

BISONT

Bismarck

qui 12/18

11:36 am-5:22 pm

1 stop7h 46m

Ontario

sáb 12/27

6:00 am-9:25 pm

1 stop13h 25m

$359

BismarckOntario

BIS - ONT

BISONT

Bismarck

qui 12/18

11:36 am-5:22 pm

1 stop7h 46m

Ontario

sex 12/26

5:54 pm-9:25 pm

1 stop25h 31m

$370

BismarckOntario

BIS - ONT

BISONT

Bismarck

sáb 4/4

3:15 pm-10:02 pm

1 stop8h 47m

Ontario

qua 4/8

8:05 pm-12:01 pm

2 stops13h 56m

$401

BismarckOntario

BIS - ONT

BISONT

Bismarck

sáb 11/8

9:08 am-12:30 pm

1 stop5h 22m

$342

BismarckOntario

BIS - ONT

BISONT

Bismarck

sáb 11/15

9:08 am-12:33 pm

1 stop5h 25m

$342

BismarckOntario

BIS - ONT

BISONT

Bismarck

dom 11/9

9:08 am-12:33 pm

1 stop5h 25m

$385

BismarckOntario

BIS - ONT

BISONT

Bismarck

sex 11/7

2:28 pm-9:01 am

2 stops20h 33m

$640

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Compare providers for flights from Bismarck to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Bismarck to Ontario in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Bismarck-Ontario flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Bismarck-Ontario flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Bismarck-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bismarck-Ontario flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bismarck-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

Currently, March is the cheapest month in which you can book a flight from Bismarck to Ontario (average of $239). Flying from Bismarck to Ontario in November is currently the most expensive (average of $387). 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.

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 outubro 28, 2025.
Peruse reviews from past customers who have flown with United Airlines from Bismarck to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,001 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,001 reviews
United Airlines
7.4
Good
9,001 reviews

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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.

  • How long is the flight from Bismarck to Ontario?

    For as low as $349, Delta can have you in Ontario from Bismarck in 5h 10m. The distance between Bismarck and Ontario is about 1242 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Bismarck to Ontario round-trip?

    Flying on United Airlines is currently your cheapest option to Ontario, with prices starting at $341.

  • 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 Ontario?

    Currently, March is the cheapest month in which you can book a flight from Bismarck to Ontario (average of $239). Flying from Bismarck to Ontario in November is currently the most expensive (average of $387). 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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Top airline flying from Bismarck to Ontario

Discover the top airline that operate flights from Bismarck to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated outubro 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$341Average$527FlexibilityNo cancel feeOn-time69%

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