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Düsseldorf

$405+ 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DUS
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
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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 October 22, 2025.

This United Airlines deal was found by Cheapflights users on 10/21. 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 11/271:40 pmONT - DUS
2 stops19h 25mUnited Airlines
Fri 12/129:25 amDUS - ONT
2 stops17h 12mUnited Airlines
Deal found 10/21$725
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/61:29 pmONT - DUS
2 stops19h 36mUnited Airlines
Mon 11/102:30 pmDUS - ONT
2 stops17h 21mUnited Airlines
Deal found 10/21$783
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/121:33 pmONT - DUS
2 stops17h 47mUnited Airlines
Sun 11/167:00 amDUS - ONT
2 stops19h 34mUnited Airlines
Deal found 10/21$794
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/231:40 pmONT - DUS
2 stops38h 55mUnited Airlines
Wed 12/316:30 amDUS - ONT
2 stops24h 22mUnited Airlines
Deal found 10/21$1,009
This KLM deal was found by Cheapflights users on 10/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/267:05 amONT - DUS
2 stops15h 35mKLM
Sat 12/138:15 amDUS - ONT
2 stops17h 52mKLM
Deal found 10/19$1,362
This United Airlines deal was found by Cheapflights users on 10/21. 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 10/231:53 pmONT - DUS
2 stops33h 22mUnited Airlines
Mon 10/272:30 pmDUS - ONT
2 stops36h 06mUnited Airlines
Deal found 10/21$1,461
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/55:05 amONT - DUS
2 stops23h 30mUnited Airlines
Tue 11/2510:50 amDUS - ONT
2 stops21h 01mUnited Airlines
Deal found 10/20$1,539
This Qatar Airways deal was found by Cheapflights users on 10/19. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:00 amONT - DUS
2 stops41h 10mQatar Airways
Wed 12/102:45 pmDUS - ONT
2 stops36h 48mQatar Airways
Deal found 10/19$1,635
This United Airlines deal was found by Cheapflights users on 10/20. 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 12/216:39 pmONT - DUS
2 stops34h 06mUnited Airlines
Sat 1/310:40 amDUS - ONT
2 stops34h 58mUnited Airlines
Deal found 10/20$1,839
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/251:29 pmONT - DUS
2 stops17h 51mUnited Airlines
Sun 11/308:30 amDUS - ONT
2 stops20h 11mUnited Airlines
Deal found 10/21$1,946
This KLM deal was found by Cheapflights users on 10/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/47:05 amONT - DUS
2 stops15h 35mKLM
Mon 12/88:15 amDUS - ONT
2 stops17h 52mKLM
Deal found 10/21$11,180

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 October 22, 2025.

Round-trip from

$591
(United Airlines)

One-way from

$405
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$772
From Ontario to Düsseldorf
Search Deals
One-way flight from Ontario to Düsseldorf
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($205 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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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 October 22, 2025.
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 3/28

7:15 pm-12:40 pm

2 stops32h 25m

Duesseldorf Intl

Thu 4/2

10:45 am-9:21 pm

2 stops19h 36m

$591

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Wed 2/11

5:05 am-6:00 pm

2 stops27h 55m

Duesseldorf Intl

Mon 2/23

6:15 am-7:54 pm

2 stops22h 39m

$604

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Wed 2/11

5:05 am-6:00 pm

2 stops27h 55m

Duesseldorf Intl

Wed 2/25

6:30 am-8:50 pm

2 stops23h 20m

$604

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Thu 2/12

5:00 am-6:05 pm

2 stops28h 05m

Duesseldorf Intl

Fri 2/20

8:30 am-7:54 pm

2 stops20h 24m

$604

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Tue 2/10

6:00 am-1:35 pm

2 stops22h 35m

Duesseldorf Intl

Fri 2/20

10:35 am-10:57 pm

2 stops21h 22m

$604

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Tue 1/13

6:00 am-1:35 pm

2 stops22h 35m

Duesseldorf Intl

Sun 1/25

10:40 am-10:53 pm

2 stops21h 13m

$604

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Thu 1/15

1:53 pm-6:05 pm

2 stops19h 12m

Duesseldorf Intl

Sun 1/25

2:40 pm-10:53 pm

2 stops17h 13m

$604

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sat 2/14

1:53 pm-1:35 pm

2 stops38h 42m

Duesseldorf Intl

Fri 2/20

2:30 pm-10:57 pm

2 stops17h 27m

$604

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Thu 2/12

5:00 am-6:05 pm

2 stops28h 05m

Duesseldorf Intl

Tue 2/24

2:40 pm-12:38 pm

2 stops30h 58m

$604

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Mon 2/9

1:53 pm-1:35 pm

2 stops38h 42m

Duesseldorf Intl

Mon 2/23

10:40 am-7:54 pm

2 stops18h 14m

$604

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 22 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 32h 25m. United Airlines provides one of the quickest options available for as low as $591. Airlines will cover a distance of 5641 mi.

  • 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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