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Duesseldorf Intl

$419+ 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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DUS
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
1 adult, Economy
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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 October 14, 2025.

This United Airlines deal was found by Cheapflights users on 10/12. 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
Mon 11/102:30 pmDUS - ONT
2 stops17h 21mUnited Airlines
Deal found 10/12$727
This Cheapflightsfares deal was found by Cheapflights users on 10/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/62:59 pmONT - DUS
2 stops16h 16mBritish Airways
Mon 11/1012:55 pmDUS - ONT
2 stops18h 34mBritish Airways
Deal found 10/14$925
This CheapOair deal was found by Cheapflights users on 10/14. 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.
Sat 11/156:00 amONT - DUS
2 stops31h 25mMultiple Airlines
Thu 11/207:10 amDUS - ONT
2 stops25h 22mMultiple Airlines
Deal found 10/14$1,393
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/45:05 amONT - DUS
2 stops23h 30mUnited Airlines
Tue 11/186:20 amDUS - ONT
2 stops23h 24mUnited Airlines
Deal found 10/14$1,538
This United Airlines deal was found by Cheapflights users on 10/13. 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 12/81:34 pmONT - DUS
2 stops19h 21mUnited Airlines
Mon 12/296:15 amDUS - ONT
2 stops23h 52mUnited Airlines
Deal found 10/13$1,563
This United Airlines deal was found by Cheapflights users on 10/14. 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 12/175:05 amONT - DUS
2 stops23h 30mUnited Airlines
Sun 12/286:20 amDUS - ONT
2 stops23h 47mUnited Airlines
Deal found 10/14$1,587
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Sat 12/131:34 pmONT - DUS
2 stops19h 21mUnited Airlines
Wed 12/3110:30 amDUS - ONT
2 stops35h 08mUnited Airlines
Deal found 10/13$1,594
This United Airlines deal was found by Cheapflights users on 10/13. 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.
Sat 12/206:39 pmONT - DUS
2 stops33h 56mUnited Airlines
Fri 1/22:30 pmDUS - ONT
2 stops39h 37mUnited Airlines
Deal found 10/13$2,118
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Sat 12/206:39 pmONT - DUS
2 stops33h 56mUnited Airlines
Sun 1/46:20 amDUS - ONT
2 stops24h 32mUnited Airlines
Deal found 10/14$2,417
This United Airlines deal was found by Cheapflights users on 10/13. 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 12/191:40 pmONT - DUS
2 stops39h 10mUnited Airlines
Fri 1/22:30 pmDUS - ONT
2 stops39h 37mUnited Airlines
Deal found 10/13$2,527
This KLM deal was found by Cheapflights users on 10/13. 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.
Sat 12/207:05 amONT - DUS
2 stops15h 35mKLM
Sat 1/38:15 amDUS - ONT
2 stops17h 53mKLM
Deal found 10/13$2,773
This KLM deal was found by Cheapflights users on 10/13. 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.
Fri 12/197:05 amONT - DUS
2 stops15h 35mKLM
Sat 1/38:15 amDUS - ONT
2 stops17h 53mKLM
Deal found 10/13$2,923

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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$592
(Iberia)

One-way from

$419
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$772
Provider with most accurate pricing for Ontario-Duesseldorf Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Duesseldorf Intl flights.
Search Deals
From Ontario to Duesseldorf Intl
Search Deals
One-way flight from Ontario to Duesseldorf Intl
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($202 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
Search Deals

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 October 14, 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

Wed 2/11

7:16 am-3:20 pm

2 stops23h 04m

Duesseldorf Intl

Mon 2/16

7:05 am-9:57 pm

2 stops23h 52m

$595

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Thu 11/6

1:40 pm-6:05 pm

2 stops19h 25m

Duesseldorf Intl

Mon 11/10

2:30 pm-10:51 pm

2 stops17h 21m

$727

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Fri 3/27

1:45 pm-5:00 pm

2 stops43h 15m

Duesseldorf Intl

Tue 3/31

10:45 am-10:45 pm

2 stops21h 00m

$760

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Thu 11/6

2:59 pm-4:15 pm

2 stops16h 16m

Duesseldorf Intl

Mon 11/10

12:55 pm-10:29 pm

2 stops18h 34m

$925

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sat 11/15

6:00 am-10:25 pm

2 stops31h 25m

Duesseldorf Intl

Thu 11/20

7:10 am-11:32 pm

2 stops25h 22m

$1,393

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Tue 11/4

5:05 am-1:35 pm

2 stops23h 30m

Duesseldorf Intl

Tue 11/18

6:20 am-8:44 pm

2 stops23h 24m

$1,538

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Mon 12/8

1:34 pm-5:55 pm

2 stops19h 21m

Duesseldorf Intl

Mon 12/29

6:15 am-9:07 pm

2 stops23h 52m

$1,563

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Wed 12/17

5:05 am-1:35 pm

2 stops23h 30m

Duesseldorf Intl

Sun 12/28

6:20 am-9:07 pm

2 stops23h 47m

$1,587

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sat 12/13

1:34 pm-5:55 pm

2 stops19h 21m

Duesseldorf Intl

Wed 12/31

10:30 am-12:38 pm

2 stops35h 08m

$1,594

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sat 12/20

6:39 pm-1:35 pm

2 stops33h 56m

Duesseldorf Intl

Fri 1/2

2:30 pm-9:07 pm

2 stops39h 37m

$2,118

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

Showing 1-10 of 23 results
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  • Most accurate provider: When it comes to deals on Ontario-Duesseldorf Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Duesseldorf Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Duesseldorf Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Duesseldorf Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Duesseldorf Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, January is the cheapest month in which you can book a flight from Ontario to Duesseldorf Intl Airport (average of $532). Flying from Ontario to Duesseldorf Intl Airport 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 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 16h 16m. Your travel time can differ by up to 3h 09m. 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, January is the cheapest month in which you can book a flight from Ontario to Duesseldorf Intl Airport (average of $532). Flying from Ontario to Duesseldorf Intl Airport 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

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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