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Düsseldorf

$406+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DUS
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
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 November 5, 2025.

This United Airlines deal was found by Cheapflights users on 11/3. 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 11/61:40 pmONT - DUS
2 stops19h 25mUnited Airlines
Wed 11/192:30 pmDUS - ONT
2 stops17h 21mUnited Airlines
Deal found 11/3$602
This Kissandfly.com deal was found by Cheapflights users on 11/3. 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.
Mon 11/245:05 amONT - DUS
2 stops26h 35mLufthansa
Tue 12/910:50 amDUS - ONT
2 stops20h 59mLufthansa
Deal found 11/3$611
This Kissandfly.com deal was found by Cheapflights users on 11/2. 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.
Mon 11/245:05 amONT - DUS
2 stops26h 35mLufthansa
Mon 12/810:40 amDUS - ONT
2 stops21h 09mLufthansa
Deal found 11/2$613
This United Airlines deal was found by Cheapflights users on 11/3. 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 12/241:40 pmONT - DUS
2 stops14h 55mUnited Airlines
Thu 1/810:50 amDUS - ONT
2 stops20h 08mUnited Airlines
Deal found 11/3$1,042
This United Airlines deal was found by Cheapflights users on 11/4. 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 11/141:29 pmONT - DUS
2 stops16h 11mUnited Airlines
Wed 11/192:30 pmDUS - ONT
2 stops17h 21mUnited Airlines
Deal found 11/4$1,088
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/196:05 amONT - DUS
2 stops26h 55mUnited Airlines
Mon 12/226:15 amDUS - ONT
2 stops24h 37mUnited Airlines
Deal found 11/5$1,161
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Mon 12/221:40 pmONT - DUS
2 stops18h 00mUnited Airlines
Sat 1/106:20 amDUS - ONT
2 stops23h 38mUnited Airlines
Deal found 11/4$1,314
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Mon 12/221:40 pmONT - DUS
2 stops18h 00mUnited Airlines
Fri 1/92:30 pmDUS - ONT
2 stops17h 23mUnited Airlines
Deal found 11/4$1,393
This CheapOair deal was found by Cheapflights users on 11/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:00 amONT - DUS
2 stops31h 25mMultiple Airlines
Mon 11/247:10 amDUS - ONT
2 stops26h 51mMultiple Airlines
Deal found 11/3$1,448
This CheapOair deal was found by Cheapflights users on 11/2. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:00 amONT - DUS
2 stops31h 25mMultiple Airlines
Wed 11/197:10 amDUS - ONT
2 stops36h 55mMultiple Airlines
Deal found 11/2$1,536
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Mon 12/11:29 pmONT - DUS
2 stops19h 26mUnited Airlines
Mon 12/158:30 amDUS - ONT
2 stops21h 12mUnited Airlines
Deal found 11/4$1,587
This CheapOair deal was found by Cheapflights users on 11/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:00 amONT - DUS
2 stops31h 25mMultiple Airlines
Mon 11/247:10 amDUS - ONT
2 stops25h 49mMultiple Airlines
Deal found 11/4$1,612

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 November 5, 2025.

Round-trip from

$590
(United Airlines)

One-way from

$406
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$698
From Ontario to Düsseldorf
Search Deals
One-way flight from Ontario to Düsseldorf
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($204 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 November 2025
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 November 5, 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

10:30 am-9:21 pm

2 stops19h 51m

$590

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sat 3/28

7:15 pm-12:40 pm

2 stops32h 25m

Duesseldorf Intl

Wed 4/1

6:10 am-11:06 pm

2 stops25h 56m

$590

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Tue 3/31

4:15 pm-5:40 pm

2 stops16h 25m

Duesseldorf Intl

Sun 4/5

3:10 pm-11:06 pm

2 stops16h 56m

$590

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Mon 11/24

5:05 am-4:40 pm

2 stops26h 35m

Duesseldorf Intl

Tue 12/9

10:50 am-10:49 pm

2 stops20h 59m

$611

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Mon 11/24

5:05 am-4:40 pm

2 stops26h 35m

Duesseldorf Intl

Mon 12/8

10:40 am-10:49 pm

2 stops21h 09m

$613

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sun 3/29

1:33 pm-5:55 pm

2 stops19h 22m

Duesseldorf Intl

Thu 4/2

10:30 am-9:21 pm

2 stops19h 51m

$723

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Fri 3/27

6:02 am-1:35 pm

2 stops23h 33m

Duesseldorf Intl

Tue 3/31

10:20 am-11:06 pm

2 stops21h 46m

$783

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Fri 3/27

3:09 pm-4:30 pm

2 stops17h 21m

Duesseldorf Intl

Fri 4/3

10:30 am-10:02 pm

2 stops20h 32m

$963

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sat 3/28

1:00 pm-4:40 pm

2 stops19h 40m

Duesseldorf Intl

Sat 4/4

8:15 am-4:19 pm

2 stops17h 04m

$1,026

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Wed 4/29

7:00 am-5:40 pm

2 stops25h 40m

$406

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 17 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 26h 35m. United Airlines provides one of the quickest options available for as low as $611. 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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