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$488+ Cheap flights from Dickinson, ND to Ontario (DIK - 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
DIK — ONT
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap flight deals from Dickinson to Ontario

Cheapest flights from Dickinson to Ontario
Explore the most affordable flight options available from Dickinson to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This United Airlines deal was found by Cheapflights users on 2/9. 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.
Tue 2/108:15 am
DIK
-
ONT
2 stops10h 28m
United Airlines
Sat 2/141:45 pm
ONT
-
DIK
1 stop7h 45m
United Airlines
Deal found 2/9$654

Find flight deals from Dickinson to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Dickinson (DIK) 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 February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$488
(United Airlines)
Provider with most accurate pricing for Dickinson-Ontario flight deals.
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Provider most trusted by Cheapflights users for Dickinson-Ontario flights.
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From Dickinson to Ontario
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dickinson 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 February 13, 2026.
Use the filters below to find and compare flights from Dickinson to Ontario that are best for you.

Fly from

Dickinson

Fly to

Ontario

Route

Depart

Return

Price

DickinsonOntario

DIK - ONT

DIKONT

Dickinson

Sat 2/28

5:25 pm-12:43 pm

1 stop20h 18m

Ontario

Wed 3/4

1:45 pm-10:30 pm

1 stop7h 45m

$488

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

  • Most accurate provider: When it comes to deals on Dickinson, North Dakota-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Dickinson, North Dakota-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Dickinson, North Dakota-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Dickinson, North Dakota-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub 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 Dickinson, North Dakota-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 Dickinson to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Dickinson 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 Dickinson to Ontario

What is the cheapest month to book a flight from Dickinson, North Dakota to Ontario?

Currently, October is the cheapest month in which you can book a flight from Dickinson, North Dakota to Ontario (average of $250). Flying from Dickinson, North Dakota to Ontario in November is currently the most expensive (average of $381). 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.

Related info for your journey

Find useful and relevant information for your journey from Dickinson 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 Dickinson, North Dakota to Ontario?

    Departing from Dickinson, North Dakota to Ontario will take you 20h 18m. There are 1170 mi between Dickinson, North Dakota and Ontario.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dickinson 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 Dickinson, North Dakota to Ontario?

    Currently, October is the cheapest month in which you can book a flight from Dickinson, North Dakota to Ontario (average of $250). Flying from Dickinson, North Dakota to Ontario in November is currently the most expensive (average of $381). 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.

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