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Duesseldorf Intl

$402+ Cheap flights from Ontario (ONT) to Duesseldorf Intl (DUS)

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DUS
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap flight deals from Ontario to Duesseldorf Intl

Cheapest flights from Ontario to Duesseldorf Intl
Explore the most affordable flight options available from Ontario to Duesseldorf Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

This KAYAK deal was found by Cheapflights users on 1/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/245:02 pm
ONT
-
DUS
2 stops17h 03m
British Airways
Wed 4/110:40 am
DUS
-
ONT
2 stops20h 39m
British Airways
Deal found 1/19$537
This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/134:52 pm
ONT
-
DUS
2 stops19h 08m
British Airways
Wed 4/2210:40 am
DUS
-
ONT
2 stops20h 55m
British Airways
Deal found 1/20$592
This oojo deal was found by Cheapflights users on 1/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:52 pm
ONT
-
DUS
2 stops19h 08m
British Airways
Wed 4/2210:40 am
DUS
-
ONT
2 stops20h 55m
British Airways
Deal found 1/19$593
This United Airlines deal was found by Cheapflights users on 1/19. 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 4/1911:05 am
ONT
-
DUS
2 stops16h 35m
United Airlines
Wed 5/610:40 am
DUS
-
ONT
2 stops20h 18m
United Airlines
Deal found 1/19$594
This British Airways deal was found by Cheapflights users on 1/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/195:02 pm
ONT
-
DUS
2 stops20h 23m
British Airways
Mon 2/238:40 pm
DUS
-
ONT
2 stops35h 09m
British Airways
Deal found 1/19$597
This KAYAK deal was found by Cheapflights users on 1/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/245:02 pm
ONT
-
DUS
2 stops17h 03m
British Airways
Thu 4/210:30 am
DUS
-
ONT
2 stops20h 37m
British Airways
Deal found 1/19$600
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Thu 2/261:40 pm
ONT
-
DUS
2 stops19h 25m
United Airlines
Mon 3/22:30 pm
DUS
-
ONT
2 stops17h 27m
United Airlines
Deal found 1/19$606
This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/134:52 pm
ONT
-
DUS
2 stops19h 08m
British Airways
Thu 4/2310:30 am
DUS
-
ONT
2 stops20h 29m
British Airways
Deal found 1/20$654
This KAYAK deal was found by Cheapflights users on 1/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/255:02 pm
ONT
-
DUS
2 stops18h 43m
British Airways
Wed 4/110:40 am
DUS
-
ONT
2 stops20h 39m
British Airways
Deal found 1/19$657
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Wed 4/111:05 am
ONT
-
DUS
2 stops16h 35m
United Airlines
Wed 4/159:20 am
DUS
-
ONT
2 stops20h 16m
United Airlines
Deal found 1/20$688
This oojo deal was found by Cheapflights users on 1/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1210:56 am
ONT
-
DUS
2 stops20h 19m
British Airways
Mon 2/2310:20 am
DUS
-
ONT
2 stops20h 47m
British Airways
Deal found 1/19$693
This United Airlines deal was found by Cheapflights users on 1/20. 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 4/2611:05 am
ONT
-
DUS
2 stops16h 35m
United Airlines
Wed 4/2910:40 am
DUS
-
ONT
2 stops21h 05m
United Airlines
Deal found 1/20$714

Find flight deals from Ontario to Duesseldorf Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Duesseldorf Intl (DUS). 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 January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$537
(KAYAK)

One-way from

$402
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$671
Provider with most accurate pricing for Ontario-Duesseldorf Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Duesseldorf Intl flights.
Search Deals
From Ontario to Duesseldorf Intl
Search Deals
One-way flight from Ontario to Duesseldorf Intl
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($228 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Duesseldorf Intl 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 January 20, 2026.
Use the filters below to find and compare flights from Ontario to Duesseldorf Intl Airport that are best for you.

Fly from

Ontario

Fly to

Duesseldorf Intl

Route

Depart

Return

Price

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Tue 3/24

5:02 pm-6:05 pm

2 stops17h 03m

Duesseldorf Intl

Wed 4/1

10:40 am-10:19 pm

2 stops20h 39m

$537

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Mon 4/13

4:52 pm-9:00 pm

2 stops19h 08m

Duesseldorf Intl

Wed 4/22

10:40 am-10:35 pm

2 stops20h 55m

$592

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sun 4/19

11:05 am-12:40 pm

2 stops16h 35m

Duesseldorf Intl

Wed 5/6

10:40 am-9:58 pm

2 stops20h 18m

$593

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Thu 2/19

6:00 am-7:40 pm

2 stops28h 40m

Duesseldorf Intl

Mon 2/23

3:55 pm-10:49 pm

2 stops39h 54m

$597

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Tue 3/24

5:02 pm-6:05 pm

2 stops17h 03m

Duesseldorf Intl

Thu 4/2

10:30 am-10:07 pm

2 stops20h 37m

$600

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Thu 2/26

1:40 pm-6:05 pm

2 stops19h 25m

Duesseldorf Intl

Mon 3/2

2:30 pm-10:57 pm

2 stops17h 27m

$606

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Mon 4/13

4:52 pm-9:00 pm

2 stops19h 08m

Duesseldorf Intl

Thu 4/23

10:30 am-9:59 pm

2 stops20h 29m

$654

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Wed 4/1

11:05 am-12:40 pm

2 stops16h 35m

Duesseldorf Intl

Wed 4/15

9:20 am-8:36 pm

2 stops20h 16m

$688

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Thu 2/12

10:56 am-4:15 pm

2 stops20h 19m

Duesseldorf Intl

Mon 2/23

10:20 am-10:07 pm

2 stops20h 47m

$693

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sun 4/26

11:05 am-12:40 pm

2 stops16h 35m

Duesseldorf Intl

Wed 4/29

10:40 am-10:45 pm

2 stops21h 05m

$714

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Showing 1-10 of 16 results
1
2
  • Most accurate provider: When it comes to deals on Ontario-Duesseldorf Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Duesseldorf Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Duesseldorf Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Duesseldorf Intl Airport 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 Ontario-Duesseldorf Intl Airport 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 Ontario to Duesseldorf Intl

Have a flexible travel schedule? Discover the best time to fly to Duesseldorf Intl from Ontario 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 Ontario to Duesseldorf Intl Airport

What is the cheapest month to book a flight from Ontario to Duesseldorf Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Ontario to Duesseldorf Intl Airport (average of $530). Flying from Ontario to Duesseldorf Intl Airport in June is currently the most expensive (average of $869). 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 Ontario to Duesseldorf Intl. 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 Ontario to Duesseldorf Intl?

    If you book a flight to Duesseldorf Intl from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 0 flights from Ontario to Duesseldorf Intl per day from 0 different airlines.

  • How long is the flight from Ontario to Duesseldorf Intl Airport?

    British Airways and United Airlines can get you from Ontario to Duesseldorf Intl Airport in just under 16h 35m. Your travel time can differ by up to 28m. The distance between Ontario and Duesseldorf Intl Airport is about 5641 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

  • How can I find direct flights from Ontario to Duesseldorf Intl?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Duesseldorf Intl 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 Ontario to Duesseldorf Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Ontario to Duesseldorf Intl Airport (average of $530). Flying from Ontario to Duesseldorf Intl Airport in June is currently the most expensive (average of $869). 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

Traveling to a place near Duesseldorf Intl Airport?

Book flights to Duesseldorf Intl Airport if you plan to visit one of these locations
Wuppertal
Bochum
Mönchengladbach
Gelsenkirchen
Duisburg

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