HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DUS
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Duesseldorf Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 6, 2025.

This United Airlines deal was found by Cheapflights users on 11/6. 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 11/161:30 pmONT - DUS
2 stops15h 05mUnited Airlines
Thu 11/209:25 amDUS - ONT
2 stops17h 09mUnited Airlines
Deal found 11/6$962
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/266:00 amONT - DUS
2 stops42h 55mUnited Airlines
Thu 1/82:30 pmDUS - ONT
2 stops40h 28mUnited Airlines
Deal found 11/6$986
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 11/5. 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 12/3110:42 amONT - DUS
2 stops17h 53mUnited Airlines
Tue 1/610:50 amDUS - ONT
2 stops20h 08mUnited Airlines
Deal found 11/5$1,227
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 12/241:40 pmONT - DUS
2 stops14h 55mUnited Airlines
Wed 1/710:30 amDUS - ONT
2 stops20h 28mUnited Airlines
Deal found 11/5$1,246
This CheapOair 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 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
Mon 11/107:10 amDUS - ONT
2 stops25h 22mMultiple Airlines
Deal found 11/5$1,467
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:48 pmONT - DUS
2 stops17h 32mBritish Airways
Thu 1/87:05 amDUS - ONT
2 stops19h 17mBritish Airways
Deal found 11/5$1,471
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 11/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2011:59 amONT - DUS
2 stops25h 26mMultiple Airlines
Mon 11/247:10 amDUS - ONT
2 stops25h 49mMultiple Airlines
Deal found 11/5$1,612
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:11 pmONT - DUS
2 stops43h 14mMultiple Airlines
Sun 11/237:10 amDUS - ONT
2 stops25h 49mMultiple Airlines
Deal found 11/5$2,051
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1511:59 amONT - DUS
2 stops25h 26mMultiple Airlines
Sat 11/227:10 amDUS - ONT
2 stops25h 49mMultiple Airlines
Deal found 11/5$2,082
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:11 pmONT - DUS
2 stops43h 14mMultiple Airlines
Sat 11/227:10 amDUS - ONT
2 stops25h 49mMultiple Airlines
Deal found 11/5$2,096

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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$941
(American Airlines)

One-way from

$419
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$698
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 ($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 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 November 6, 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

Sun 11/16

1:30 pm-1:35 pm

2 stops15h 05m

Duesseldorf Intl

Thu 11/20

9:25 am-5:34 pm

2 stops17h 09m

$962

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Fri 12/26

6:00 am-9:55 am

2 stops42h 55m

Duesseldorf Intl

Thu 1/8

2:30 pm-9:58 pm

2 stops40h 28m

$986

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Fri 3/27

6:00 am-1:35 pm

2 stops23h 35m

Duesseldorf Intl

Tue 3/31

10:20 am-10:26 pm

2 stops21h 06m

$1,076

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Wed 11/19

6:05 am-6:00 pm

2 stops26h 55m

Duesseldorf Intl

Mon 12/22

6:15 am-9:52 pm

2 stops24h 37m

$1,161

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Fri 3/27

11:55 am-1:55 pm

2 stops18h 00m

Duesseldorf Intl

Wed 4/1

8:15 am-4:19 pm

2 stops17h 04m

$1,220

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Wed 12/31

10:42 am-1:35 pm

2 stops17h 53m

Duesseldorf Intl

Tue 1/6

10:50 am-9:58 pm

2 stops20h 08m

$1,227

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Wed 12/24

1:40 pm-1:35 pm

2 stops14h 55m

Duesseldorf Intl

Wed 1/7

10:30 am-9:58 pm

2 stops20h 28m

$1,246

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sat 3/28

7:15 pm-12:40 pm

2 stops32h 25m

Duesseldorf Intl

Thu 4/2

6:00 am-9:21 pm

2 stops24h 21m

$1,319

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sat 3/28

1:45 pm-8:35 am

2 stops58h 50m

Duesseldorf Intl

Wed 4/1

3:10 pm-12:20 pm

2 stops30h 10m

$1,363

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Thu 11/20

11:59 am-10:25 pm

2 stops25h 26m

Duesseldorf Intl

Mon 11/24

7:10 am-11:59 pm

2 stops25h 49m

$1,612

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 22 results
1
2
3

Compare providers for flights from Ontario to Duesseldorf Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Duesseldorf Intl in November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Duesseldorf Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Duesseldorf Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, November is the cheapest month in which you can book a flight from Ontario to Duesseldorf Intl Airport (average of $530). 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 can get you from Ontario to Duesseldorf Intl Airport in just under 15h 05m. Your travel time can differ by up to . The distance between Ontario and Duesseldorf Intl Airport is about 5641 mi.

  • What are the cheapest airlines to fly from Ontario to Duesseldorf Intl Airport one-way?

    One-way options have recently been found by users for as low as $419 on United Airlines. Other airlines that offer cheap prices include British Airways from $692 and American Airlines from $699 one-way.

  • 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, November is the cheapest month in which you can book a flight from Ontario to Duesseldorf Intl Airport (average of $530). 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
Neuss
Wuppertal
Bochum
Duisburg
Mönchengladbach
Gelsenkirchen

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.