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Duesseldorf Intl

$343+ Cheap flights from Ontario (ONT) to Duesseldorf Intl (DUS)

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DUS
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Ontario to Duesseldorf Intl

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Duesseldorf Intl (DUS). 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 August 20, 2025.

Round-trip from

$667
(United Airlines)

One-way from

$343
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$791
From Ontario to Duesseldorf Intl
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One-way flight from Ontario to Duesseldorf Intl
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Highest demand for flights based on searches. 20% potential increase in price ($215 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Ontario to Duesseldorf Intl

Cheapest flights from Ontario to Duesseldorf Intl
Explore the most affordable flight options available from Ontario to Duesseldorf Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This United Airlines deal was found by Cheapflights users on 8/18. 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 8/201:19 pmONT - DUS
2 stops16h 01mUnited Airlines
Tue 8/2610:55 amDUS - ONT
2 stops18h 38mUnited Airlines
Deal found 8/18$617
This United Airlines deal was found by Cheapflights users on 8/18. 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 8/201:19 pmONT - DUS
2 stops16h 01mUnited Airlines
Mon 8/2510:45 amDUS - ONT
2 stops19h 40mUnited Airlines
Deal found 8/18$667
This Gurufare deal was found by Cheapflights users on 8/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/92:51 pmONT - DUS
2 stops21h 14mBritish Airways
Tue 10/146:55 pmDUS - ONT
2 stops33h 08mBritish Airways
Deal found 8/18$841
This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/92:51 pmONT - DUS
2 stops21h 14mMultiple Airlines
Tue 10/148:25 amDUS - ONT
2 stops19h 27mMultiple Airlines
Deal found 8/19$910
This United Airlines deal was found by Cheapflights users on 8/18. 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 10/237:02 amONT - DUS
2 stops16h 13mUnited Airlines
Tue 10/2810:50 amDUS - ONT
2 stops20h 01mUnited Airlines
Deal found 8/18$1,082
This AirNGo deal was found by Cheapflights users on 8/19. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/124:49 pmONT - DUS
2 stops15h 41mBritish Airways
Tue 10/286:15 amDUS - ONT
2 stops20h 37mBritish Airways
Deal found 8/19$1,085
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:04 amONT - DUS
2 stops21h 36mUnited Airlines
Tue 9/2310:55 amDUS - ONT
2 stops19h 30mUnited Airlines
Deal found 8/19$1,542
This United Airlines deal was found by Cheapflights users on 8/18. 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 10/25:05 amONT - DUS
2 stops24h 15mUnited Airlines
Thu 10/93:10 pmDUS - ONT
2 stops16h 42mUnited Airlines
Deal found 8/18$1,606
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/26:04 amONT - DUS
2 stops23h 16mUnited Airlines
Thu 9/43:10 pmDUS - ONT
2 stops35h 27mUnited Airlines
Deal found 8/19$1,627
This AirNGo deal was found by Cheapflights users on 8/20. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/193:06 pmONT - DUS
2 stops20h 14mBritish Airways
Mon 1/510:20 amDUS - ONT
2 stops20h 22mBritish Airways
Deal found 8/20$2,352
This Iberia deal was found by Cheapflights users on 8/18. 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.
Mon 8/1810:50 amONT - DUS
2 stops19h 10mIberia
Fri 8/2211:55 amDUS - ONT
2 stops19h 53mIberia
Deal found 8/18$3,323
This Iberia deal was found by Cheapflights users on 8/19. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/272:57 pmONT - DUS
2 stops19h 13mIberia
Mon 9/111:55 amDUS - ONT
2 stops21h 12mIberia
Deal found 8/19$3,465

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Duesseldorf Intl 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 August 20, 2025.
Use the filters below to find and compare flights from Ontario to Duesseldorf Intl Airport that are best for you.

Fly from

Ontario

Fly to

Duesseldorf Intl

Route

Depart

Return

Price

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Mon 11/10

1:40 pm-5:55 pm

2 stops19h 15m

Duesseldorf Intl

Mon 11/17

10:40 am-9:49 pm

2 stops20h 09m

$667

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Thu 10/9

2:51 pm-9:05 pm

2 stops21h 14m

Duesseldorf Intl

Tue 10/14

6:55 pm-7:03 pm

2 stops33h 08m

$841

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Thu 10/9

2:51 pm-9:05 pm

2 stops21h 14m

Duesseldorf Intl

Tue 10/14

8:25 am-6:52 pm

2 stops19h 27m

$910

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Thu 10/23

7:02 am-8:15 am

2 stops16h 13m

Duesseldorf Intl

Tue 10/28

10:50 am-10:51 pm

2 stops20h 01m

$1,082

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sun 10/12

4:49 pm-5:30 pm

2 stops15h 41m

Duesseldorf Intl

Tue 10/28

6:15 am-6:52 pm

2 stops20h 37m

$1,085

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Tue 9/16

6:04 am-12:40 pm

2 stops21h 36m

Duesseldorf Intl

Tue 9/23

10:55 am-9:25 pm

2 stops19h 30m

$1,542

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Thu 10/2

5:05 am-2:20 pm

2 stops24h 15m

Duesseldorf Intl

Thu 10/9

3:10 pm-10:52 pm

2 stops16h 42m

$1,606

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Tue 9/2

6:04 am-2:20 pm

2 stops23h 16m

Duesseldorf Intl

Thu 9/4

3:10 pm-5:37 pm

2 stops35h 27m

$1,627

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Fri 12/19

3:06 pm-8:20 pm

2 stops20h 14m

Duesseldorf Intl

Mon 1/5

10:20 am-9:42 pm

2 stops20h 22m

$2,352

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Fri 12/26

3:06 pm-4:30 pm

2 stops16h 24m

Duesseldorf Intl

Sat 1/3

2:30 pm-11:48 pm

2 stops18h 18m

$6,662

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 18 results
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Best time to book a flight from Ontario to Duesseldorf Intl

Have a flexible travel schedule? Discover the best time to fly to Duesseldorf Intl 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 Duesseldorf Intl Airport

What is the cheapest month to book a flight from Ontario to Duesseldorf Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Ontario to Duesseldorf Intl Airport (average of $662). Flying from Ontario to Duesseldorf Intl Airport in June is currently the most expensive (average of $1,059). 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 Duesseldorf Intl. 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 Duesseldorf Intl?

    If you book a flight to Duesseldorf Intl from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 0 flights from Ontario to Duesseldorf Intl per day from 0 different airlines.

  • How long is the flight from Ontario to Duesseldorf Intl Airport?

    United Airlines and British Airways can get you from Ontario to Duesseldorf Intl Airport in just under 19h 15m. Your travel time can differ by up to 1h 59m. The distance between Ontario and Duesseldorf Intl Airport is about 5641 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

  • How can I find direct flights from Ontario to Duesseldorf Intl?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Duesseldorf Intl 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 Duesseldorf Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Ontario to Duesseldorf Intl Airport (average of $662). Flying from Ontario to Duesseldorf Intl Airport in June is currently the most expensive (average of $1,059). 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

Traveling to a place near Duesseldorf Intl Airport?

Book flights to Duesseldorf Intl Airport if you plan to visit one of these locations
Mönchengladbach
Neuss
Wuppertal
Bochum
Duisburg
Gelsenkirchen

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