HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Düsseldorf

$402+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DUS
feb. 19 — feb. 261
jue. 2/19
jue. 2/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Düsseldorf 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.

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 enero 20, 2026.

This KAYAK deal was found by Cheapflights users on 1/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/245:02 pm
ONT
-
DUS
2 stops17h 03m
British Airways
mié. 4/110:40 am
DUS
-
ONT
2 stops20h 39m
British Airways
Deal found 1/19$537
This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/134:52 pm
ONT
-
DUS
2 stops19h 08m
British Airways
mié. 4/2210:40 am
DUS
-
ONT
2 stops20h 55m
British Airways
Deal found 1/20$592
This oojo deal was found by Cheapflights users on 1/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/154:52 pm
ONT
-
DUS
2 stops19h 08m
British Airways
mié. 4/2210:40 am
DUS
-
ONT
2 stops20h 55m
British Airways
Deal found 1/19$593
This United Airlines deal was found by Cheapflights users on 1/19. 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.
dom. 4/1911:05 am
ONT
-
DUS
2 stops16h 35m
United Airlines
mié. 5/610:40 am
DUS
-
ONT
2 stops20h 18m
United Airlines
Deal found 1/19$594
This British Airways deal was found by Cheapflights users on 1/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/195:02 pm
ONT
-
DUS
2 stops20h 23m
British Airways
lun. 2/238:40 pm
DUS
-
ONT
2 stops35h 09m
British Airways
Deal found 1/19$597
This KAYAK deal was found by Cheapflights users on 1/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/245:02 pm
ONT
-
DUS
2 stops17h 03m
British Airways
jue. 4/210:30 am
DUS
-
ONT
2 stops20h 37m
British Airways
Deal found 1/19$600
This United Airlines deal was found by Cheapflights users on 1/19. 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.
jue. 2/261:40 pm
ONT
-
DUS
2 stops19h 25m
United Airlines
lun. 3/22:30 pm
DUS
-
ONT
2 stops17h 27m
United Airlines
Deal found 1/19$606
This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/134:52 pm
ONT
-
DUS
2 stops19h 08m
British Airways
jue. 4/2310:30 am
DUS
-
ONT
2 stops20h 29m
British Airways
Deal found 1/20$654
This KAYAK deal was found by Cheapflights users on 1/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/255:02 pm
ONT
-
DUS
2 stops18h 43m
British Airways
mié. 4/110:40 am
DUS
-
ONT
2 stops20h 39m
British Airways
Deal found 1/19$657
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/111:05 am
ONT
-
DUS
2 stops16h 35m
United Airlines
mié. 4/159:20 am
DUS
-
ONT
2 stops20h 16m
United Airlines
Deal found 1/20$688
This oojo deal was found by Cheapflights users on 1/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/1210:56 am
ONT
-
DUS
2 stops20h 19m
British Airways
lun. 2/2310:20 am
DUS
-
ONT
2 stops20h 47m
British Airways
Deal found 1/19$693
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 4/2611:05 am
ONT
-
DUS
2 stops16h 35m
United Airlines
mié. 4/2910:40 am
DUS
-
ONT
2 stops21h 05m
United Airlines
Deal found 1/20$714

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 enero 20, 2026.

Round-trip from

$537
(KAYAK)

One-way from

$402
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$671
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 ($228 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 enero 20, 2026.
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

mar. 3/24

5:02 pm-6:05 pm

2 stops17h 03m

Duesseldorf Intl

mié. 4/1

10:40 am-10:19 pm

2 stops20h 39m

$537

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

lun. 4/13

4:52 pm-9:00 pm

2 stops19h 08m

Duesseldorf Intl

mié. 4/22

10:40 am-10:35 pm

2 stops20h 55m

$592

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

dom. 4/19

11:05 am-12:40 pm

2 stops16h 35m

Duesseldorf Intl

mié. 5/6

10:40 am-9:58 pm

2 stops20h 18m

$593

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

jue. 2/19

6:00 am-7:40 pm

2 stops28h 40m

Duesseldorf Intl

lun. 2/23

3:55 pm-10:49 pm

2 stops39h 54m

$597

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

mar. 3/24

5:02 pm-6:05 pm

2 stops17h 03m

Duesseldorf Intl

jue. 4/2

10:30 am-10:07 pm

2 stops20h 37m

$600

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

jue. 2/26

1:40 pm-6:05 pm

2 stops19h 25m

Duesseldorf Intl

lun. 3/2

2:30 pm-10:57 pm

2 stops17h 27m

$606

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

lun. 4/13

4:52 pm-9:00 pm

2 stops19h 08m

Duesseldorf Intl

jue. 4/23

10:30 am-9:59 pm

2 stops20h 29m

$654

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

mié. 4/1

11:05 am-12:40 pm

2 stops16h 35m

Duesseldorf Intl

mié. 4/15

9:20 am-8:36 pm

2 stops20h 16m

$688

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

jue. 2/12

10:56 am-4:15 pm

2 stops20h 19m

Duesseldorf Intl

lun. 2/23

10:20 am-10:07 pm

2 stops20h 47m

$693

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

dom. 4/26

11:05 am-12:40 pm

2 stops16h 35m

Duesseldorf Intl

mié. 4/29

10:40 am-10:45 pm

2 stops21h 05m

$714

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Showing 1-10 of 16 results
1
2

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 16h 35m. British Airways provides one of the quickest options available for as low as $593. 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

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.

Alternative routes for Ontario to Düsseldorf

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Frankfurt flights
San Francisco to Frankfurt flights
San Francisco to Munich flights
Los Angeles to Munich flights
Ontario to Frankfurt flights
San Diego to Munich flights
San Francisco to Berlin flights
Las Vegas to Frankfurt flights
San Jose to Frankfurt flights
Los Angeles to Berlin flights
Burbank to Frankfurt flights
Santa Ana to Frankfurt flights
Los Angeles to Duesseldorf Intl flights
San Jose to Munich flights
San Diego to Frankfurt flights
Los Angeles to Hamburg flights
Oakland to Frankfurt flights
Ontario to Munich flights
Santa Ana to Munich flights
Oakland to Munich flights
Medford to Frankfurt flights
Santa Ana to Berlin flights
Los Angeles to Frankfurt-Hahn flights
Ontario to Berlin flights
Burbank to Munich flights
Los Angeles to Stuttgart flights
San Francisco to Hamburg flights
San Francisco to Frankfurt-Hahn flights
Sacramento to Frankfurt flights
San Francisco to Duesseldorf Intl flights
San Jose to Berlin flights
Oakland to Berlin flights
Burbank to Berlin flights
Long Beach to Frankfurt flights
Sacramento to Munich flights
San Francisco to Stuttgart flights
Las Vegas to Munich flights
Ontario to Duesseldorf Intl flights
San Diego to Berlin flights
Santa Ana to Duesseldorf Intl flights
Santa Ana to Hamburg flights
Ontario to Hamburg flights
San Francisco to Bremen flights
Reno to Frankfurt flights
San Diego to Stuttgart flights
Las Vegas to Hamburg flights
San Jose to Stuttgart flights
San Jose to Duesseldorf Intl flights
Los Angeles to Bremen flights
Fresno to Frankfurt flights

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.