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Düsseldorf

$293+ Cheap flights from Ontario (ONT) to Düsseldorf

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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DUS
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap flight deals from Ontario to Düsseldorf

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Düsseldorf (DU1). 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 15, 2026.

Round-trip from

$530
(oojo)

One-way from

$293
(Trip.com)

Popular in

June

Cheapest in

November

Average price

$671
From Ontario to Düsseldorf
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One-way flight from Ontario to Düsseldorf
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Highest demand for flights based on searches. 21% potential increase in price ($228 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Ontario to Düsseldorf

Cheapest flights from Ontario to Düsseldorf
Explore the most affordable flight options available from Ontario to Düsseldorf. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

This oojo deal was found by Cheapflights users on 1/14. 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.
Tue 2/245:02 pm
ONT
-
DUS
2 stops16h 03m
British Airways
Tue 3/38:50 pm
DUS
-
ONT
2 stops34h 29m
British Airways
Deal found 1/14$530
This KAYAK deal was found by Cheapflights users on 1/13. 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 4/27:10 am
DUS
-
ONT
2 stops23h 57m
British Airways
Deal found 1/13$537
This Iberia deal was found by Cheapflights users on 1/13. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/277:00 am
ONT
-
DUS
2 stops21h 20m
Multiple Airlines
Fri 3/66:25 am
DUS
-
ONT
2 stops25h 04m
Multiple Airlines
Deal found 1/13$569
This Delta deal was found by Cheapflights users on 1/13. 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.
Sat 4/1810:15 pm
ONT
-
DUS
2 stops30h 35m
Delta
Tue 4/286:55 am
DUS
-
ONT
2 stops23h 03m
Delta
Deal found 1/13$579
This American Airlines deal was found by Cheapflights users on 1/14. 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.
Fri 1/307:16 am
ONT
-
DUS
2 stops21h 04m
American Airlines
Tue 2/312:30 pm
DUS
-
ONT
2 stops19h 18m
American Airlines
Deal found 1/14$586
This oojo deal was found by Cheapflights users on 1/14. 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.
Tue 3/243:19 pm
ONT
-
DUS
2 stops18h 46m
British Airways
Wed 4/110:40 am
DUS
-
ONT
2 stops20h 50m
British Airways
Deal found 1/14$593
This United Airlines deal was found by Cheapflights users on 1/13. 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.
Sat 3/71:40 pm
ONT
-
DUS
2 stops42h 00m
United Airlines
Sun 3/152:40 pm
DUS
-
ONT
2 stops35h 01m
United Airlines
Deal found 1/13$594
This British Airways deal was found by Cheapflights users on 1/12. 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 2/1910:56 am
ONT
-
DUS
2 stops23h 44m
British Airways
Mon 2/238:40 pm
DUS
-
ONT
2 stops35h 09m
British Airways
Deal found 1/12$597
This KAYAK deal was found by Cheapflights users on 1/13. 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
Tue 3/3110:50 am
DUS
-
ONT
2 stops20h 17m
British Airways
Deal found 1/13$600
This oojo deal was found by Cheapflights users on 1/13. 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.
Tue 4/2110:59 am
ONT
-
DUS
2 stops18h 51m
British Airways
Tue 5/2610:50 am
DUS
-
ONT
2 stops20h 01m
British Airways
Deal found 1/13$643
This United Airlines deal was found by Cheapflights users on 1/13. 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 3/241:50 pm
ONT
-
DUS
2 stops15h 45m
United Airlines
Fri 4/31:30 pm
DUS
-
ONT
2 stops18h 15m
United Airlines
Deal found 1/13$703
This oojo deal was found by Cheapflights users on 1/13. 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 1/2611:59 pm
ONT
-
DUS
2 stops33h 06m
British Airways
Wed 2/1110:05 am
DUS
-
ONT
2 stops44h 19m
British Airways
Deal found 1/13$721

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Düsseldorf 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 15, 2026.
Use the filters below to find and compare flights from Ontario to Düsseldorf that are best for you.

Fly from

Ontario

Fly to

Düsseldorf

Route

Depart

Return

Price

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sat 4/18

10:15 pm-1:50 pm

2 stops30h 35m

Duesseldorf Intl

Tue 4/28

6:55 am-8:58 pm

2 stops23h 03m

$579

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Tue 3/24

3:19 pm-6:05 pm

2 stops18h 46m

Duesseldorf Intl

Wed 4/1

10:40 am-10:30 pm

2 stops20h 50m

$593

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sat 3/7

1:40 pm-4:40 pm

2 stops42h 00m

Duesseldorf Intl

Sun 3/15

2:40 pm-5:41 pm

2 stops35h 01m

$594

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Thu 2/19

10:56 am-7:40 pm

2 stops23h 44m

Duesseldorf Intl

Mon 2/23

8:40 pm-10:49 pm

2 stops35h 09m

$597

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Tue 4/21

10:59 am-2:50 pm

2 stops18h 51m

Duesseldorf Intl

Tue 5/26

10:50 am-9:51 pm

2 stops20h 01m

$643

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Tue 3/24

1:50 pm-1:35 pm

2 stops15h 45m

Duesseldorf Intl

Fri 4/3

1:30 pm-10:45 pm

2 stops18h 15m

$703

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Mon 1/26

11:59 pm-6:05 pm

2 stops33h 06m

Duesseldorf Intl

Wed 2/11

10:05 am-9:24 pm

2 stops44h 19m

$721

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Wed 3/18

1:50 pm-1:35 pm

2 stops15h 45m

Duesseldorf Intl

Sun 4/5

9:30 am-5:47 pm

2 stops17h 17m

$764

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Fri 3/27

5:02 pm-8:20 pm

2 stops19h 18m

Duesseldorf Intl

Tue 3/31

6:55 pm-11:59 pm

2 stops38h 04m

$842

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Mon 3/16

9:06 am-9:05 am

2 stops39h 59m

$293

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 20 results
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Best time to book a flight from Ontario to Düsseldorf

Have a flexible travel schedule? Discover the best time to fly to Düsseldorf 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 Düsseldorf

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Düsseldorf (average of $530). Flying from Ontario to Düsseldorf 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 Düsseldorf. 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 Düsseldorf?

    Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Düsseldorf from Ontario. Booking flights from Ontario (ONT) to Düsseldorf should be relatively easy as there are 0 daily outbound flights to Düsseldorf from 0 different airlines.

  • How long is the flight from Ontario to Düsseldorf?

    A quick flight from Ontario to Düsseldorf can take about 18h 46m. Delta provides one of the quickest options available for as low as $593. Airlines will cover a distance of 5641 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Düsseldorf 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 Düsseldorf?

    Currently, November is the cheapest month in which you can book a flight from Ontario to Düsseldorf (average of $530). Flying from Ontario to Düsseldorf 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

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