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Düsseldorf

$582+ Cheap flights from Ontario (ONT) to Düsseldorf

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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DUS
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap 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 February 11, 2026.

This oojo deal was found by Cheapflights users on 2/8. 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
Wed 4/2910:40 am
DUS
-
ONT
2 stops22h 06m
British Airways
Deal found 2/8$582
This United Airlines deal was found by Cheapflights users on 2/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1711:05 am
ONT
-
DUS
2 stops18h 10m
United Airlines
Fri 4/2410:40 am
DUS
-
ONT
2 stops20h 10m
United Airlines
Deal found 2/10$659
This United Airlines deal was found by Cheapflights users on 2/11. 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 3/86:15 am
ONT
-
DUS
2 stops26h 25m
United Airlines
Mon 3/2312:55 pm
DUS
-
ONT
2 stops42h 02m
United Airlines
Deal found 2/11$731
This Trip.com deal was found by Cheapflights users on 2/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2810:20 pm
ONT
-
DUS
2 stops24h 20m
KLM
Mon 3/166:40 pm
DUS
-
ONT
2 stops29h 48m
KLM
Deal found 2/10$753
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.
Thu 11/191:00 pm
ONT
-
DUS
2 stops15h 35m
United Airlines
Wed 11/252:30 pm
DUS
-
ONT
2 stops17h 36m
United Airlines
Deal found 2/9$780
This United Airlines deal was found by Cheapflights users on 2/8. 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 2/195:00 am
ONT
-
DUS
2 stops23h 35m
United Airlines
Mon 2/232:30 pm
DUS
-
ONT
2 stops39h 20m
United Airlines
Deal found 2/8$800
This Trip.com deal was found by Cheapflights users on 2/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/126:00 am
ONT
-
DUS
2 stops22h 45m
Multiple Airlines
Wed 2/256:15 am
DUS
-
ONT
2 stops23h 50m
Multiple Airlines
Deal found 2/11$802
This oojo deal was found by Cheapflights users on 2/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/285:02 pm
ONT
-
DUS
2 stops31h 23m
British Airways
Mon 3/168:40 pm
DUS
-
ONT
2 stops31h 05m
British Airways
Deal found 2/10$853
This oojo deal was found by Cheapflights users on 2/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/173:19 pm
ONT
-
DUS
2 stops23h 06m
British Airways
Sun 3/228:30 pm
DUS
-
ONT
2 stops32h 54m
British Airways
Deal found 2/10$883
This oojo deal was found by Cheapflights users on 2/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/235:02 pm
ONT
-
DUS
2 stops19h 38m
British Airways
Tue 3/1012:30 pm
DUS
-
ONT
2 stops17h 37m
British Airways
Deal found 2/10$903
This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/92:39 pm
ONT
-
DUS
2 stops21h 06m
British Airways
Tue 3/246:15 am
DUS
-
ONT
2 stops20h 27m
British Airways
Deal found 2/9$925

Find 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 February 11, 2026.

Round-trip from

$582
(oojo)

Popular in

June

Cheapest in

November

Average price

$661
From Ontario to Düsseldorf
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($223 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 February 2026
Search Deals

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 February 11, 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

Tue 4/21

10:59 am-2:50 pm

2 stops18h 51m

Duesseldorf Intl

Wed 4/29

10:40 am-11:46 pm

2 stops22h 06m

$582

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Fri 4/17

11:05 am-2:15 pm

2 stops18h 10m

Duesseldorf Intl

Fri 4/24

10:40 am-9:50 pm

2 stops20h 10m

$659

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sun 3/8

6:15 am-4:40 pm

2 stops26h 25m

Duesseldorf Intl

Mon 3/23

12:55 pm-10:57 pm

2 stops42h 02m

$731

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sat 2/28

10:20 pm-7:40 am

2 stops24h 20m

Duesseldorf Intl

Mon 3/16

6:40 pm-4:28 pm

2 stops29h 48m

$753

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sat 2/28

5:02 pm-9:25 am

2 stops31h 23m

Duesseldorf Intl

Mon 3/16

8:40 pm-7:45 pm

2 stops31h 05m

$853

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Tue 3/17

3:19 pm-6:05 pm

2 stops18h 46m

Duesseldorf Intl

Sun 3/22

8:30 pm-9:24 pm

2 stops32h 54m

$883

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Wed 4/1

5:02 pm-9:00 pm

2 stops18h 58m

Duesseldorf Intl

Wed 4/15

7:15 am-4:22 pm

2 stops18h 07m

$903

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Mon 3/9

2:39 pm-7:45 pm

2 stops21h 06m

Duesseldorf Intl

Tue 3/24

6:15 am-6:42 pm

2 stops20h 27m

$925

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Mon 3/16

2:39 pm-7:45 pm

2 stops21h 06m

Duesseldorf Intl

Mon 3/23

8:40 pm-7:45 pm

2 stops31h 05m

$930

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Fri 2/27

10:56 am-10:35 pm

2 stops26h 39m

Duesseldorf Intl

Thu 3/5

6:25 am-10:29 pm

2 stops25h 04m

$1,160

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 18 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 $890). 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 10m. British Airways provides one of the quickest options available for as low as $659. 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 $890). 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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