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Düsseldorf

$409+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DUS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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 12/256:04 amONT - DUS
2 stops25h 36mUnited Airlines
Mon 1/52:30 pmDUS - ONT
3 stops53h 48mUnited Airlines
Deal found 12/16$1,043
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/256:04 amONT - DUS
2 stops25h 36mUnited Airlines
Fri 1/26:30 amDUS - ONT
2 stops24h 55mUnited Airlines
Deal found 12/17$1,498
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/2510:42 amONT - DUS
2 stops20h 58mUnited Airlines
Sat 1/36:20 amDUS - ONT
2 stops25h 05mUnited Airlines
Deal found 12/17$1,508
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/266:39 pmONT - DUS
2 stops39h 16mUnited Airlines
Sat 1/36:20 amDUS - ONT
2 stops25h 05mUnited Airlines
Deal found 12/17$1,514
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/245:05 amONT - DUS
2 stops31h 50mUnited Airlines
Fri 1/26:30 amDUS - ONT
2 stops24h 55mUnited Airlines
Deal found 12/17$1,638
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/246:04 amONT - DUS
2 stops25h 16mUnited Airlines
Sat 1/36:20 amDUS - ONT
2 stops25h 05mUnited Airlines
Deal found 12/17$1,648
This United Airlines deal was found by Cheapflights users on 12/15. 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 12/195:05 amONT - DUS
2 stops28h 00mUnited Airlines
Thu 1/12:30 pmDUS - ONT
2 stops40h 55mUnited Airlines
Deal found 12/15$2,415
This Kissandfly.com deal was found by Cheapflights users on 12/17. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/191:40 pmONT - DUS
2 stops39h 10mLufthansa
Thu 1/17:40 pmDUS - ONT
2 stops35h 12mLufthansa
Deal found 12/17$2,698
This oojo deal was found by Cheapflights users on 12/16. 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 12/202:42 pmONT - DUS
2 stops19h 58mBritish Airways
Sun 6/72:10 pmDUS - ONT
2 stops18h 22mBritish Airways
Deal found 12/16$7,573
This oojo deal was found by Cheapflights users on 12/15. 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 12/1810:50 amONT - DUS
2 stops17h 20mBritish Airways
Mon 12/298:10 pmDUS - ONT
2 stops33h 48mBritish Airways
Deal found 12/15$9,069
This oojo deal was found by Cheapflights users on 12/16. 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 12/1710:47 amONT - DUS
2 stops43h 23mIberia
Wed 12/2412:05 pmDUS - ONT
2 stops32h 48mIberia
Deal found 12/16$12,628

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 December 18, 2025.

Round-trip from

$580
(oojo)

One-way from

$409
(oojo)

Popular in

June

Cheapest in

November

Average price

$934
From Ontario to Düsseldorf
Search Deals
One-way flight from Ontario to Düsseldorf
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($229 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 18, 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

Fri 1/30

3:09 pm-9:40 am

2 stops33h 31m

Duesseldorf Intl

Fri 2/6

12:25 pm-10:13 pm

2 stops18h 48m

$580

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Fri 1/16

3:09 pm-8:20 pm

2 stops20h 11m

Duesseldorf Intl

Sat 1/24

2:30 pm-10:13 pm

2 stops40h 43m

$580

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Fri 1/16

10:58 am-8:20 pm

2 stops24h 22m

Duesseldorf Intl

Fri 2/6

10:25 am-10:13 pm

2 stops20h 48m

$580

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Tue 2/3

4:45 pm-6:05 pm

2 stops16h 20m

Duesseldorf Intl

Mon 2/9

12:55 pm-10:48 pm

2 stops18h 53m

$580

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Wed 2/11

8:00 am-6:00 pm

2 stops25h 00m

Duesseldorf Intl

Sun 2/15

10:40 am-10:57 pm

2 stops21h 17m

$606

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sat 2/14

1:53 pm-5:55 pm

2 stops19h 02m

Duesseldorf Intl

Thu 2/26

2:30 pm-10:57 pm

2 stops17h 27m

$606

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sun 1/11

11:59 pm-11:40 am

2 stops26h 41m

Duesseldorf Intl

Mon 1/26

12:55 pm-10:48 pm

2 stops18h 53m

$843

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sun 1/11

11:59 pm-11:40 am

2 stops26h 41m

Duesseldorf Intl

Tue 1/27

10:15 am-10:48 pm

2 stops21h 33m

$846

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sat 1/10

1:24 pm-1:50 pm

2 stops15h 26m

Duesseldorf Intl

Sat 1/17

6:20 am-5:51 pm

2 stops20h 31m

$858

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Tue 1/20

4:45 pm-7:45 pm

2 stops18h 00m

Duesseldorf Intl

Tue 4/28

10:50 am-9:56 pm

2 stops20h 06m

$1,145

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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 25h. British Airways provides one of the quickest options available for as low as $606. 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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