HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$480+ Cheap flights from Duesseldorf Intl (DUS) to Ontario (ONT)

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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
DUS — ONT
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Duesseldorf Intl to Ontario 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 Duesseldorf Intl to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Duesseldorf Intl (DUS) to Ontario (ONT). 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 18, 2025.

Round-trip from

$646
(American Airlines)

One-way from

$480
(Priceline)

Popular in

July

Cheapest in

September

Average price

$675
From Duesseldorf Intl to Ontario
Search Deals
One-way flight from Duesseldorf Intl to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Duesseldorf Intl to Ontario

Cheapest flights from Duesseldorf Intl to Ontario
Explore the most affordable flight options available from Duesseldorf Intl to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 18, 2025.

This United Airlines deal was found by Cheapflights users on 11/18. 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.
Tue 11/252:40 pmDUS - ONT
2 stops17h 11mUnited Airlines
Sat 12/61:34 pmONT - DUS
2 stops15h 16mUnited Airlines
Deal found 11/18$787
This United Airlines deal was found by Cheapflights users on 11/17. 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 11/226:20 amDUS - ONT
2 stops20h 14mUnited Airlines
Tue 12/21:34 pmONT - DUS
2 stops15h 01mUnited Airlines
Deal found 11/17$920
This oojo deal was found by Cheapflights users on 11/17. 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.
Sat 11/222:30 pmDUS - ONT
2 stops18h 27mBritish Airways
Tue 12/23:19 pmONT - DUS
2 stops17h 46mBritish Airways
Deal found 11/17$1,189
This oojo deal was found by Cheapflights users on 11/17. 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.
Fri 11/218:25 pmDUS - ONT
2 stops34h 58mBritish Airways
Thu 12/42:56 pmONT - DUS
2 stops16h 19mBritish Airways
Deal found 11/17$1,369
This oojo deal was found by Cheapflights users on 11/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:30 pmDUS - ONT
2 stops34h 22mBritish Airways
Thu 1/154:45 pmONT - DUS
2 stops17h 55mBritish Airways
Deal found 11/18$1,474
This oojo deal was found by Cheapflights users on 11/17. 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.
Fri 11/218:25 pmDUS - ONT
2 stops34h 58mBritish Airways
Sun 12/74:47 pmONT - DUS
2 stops16h 08mBritish Airways
Deal found 11/17$1,495
This United Airlines deal was found by Cheapflights users on 11/18. 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.
Mon 12/296:15 amDUS - ONT
2 stops23h 52mUnited Airlines
Sat 1/35:05 amONT - DUS
2 stops27h 50mUnited Airlines
Deal found 11/18$1,617
This United Airlines deal was found by Cheapflights users on 11/18. 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.
Sun 12/282:40 pmDUS - ONT
2 stops28h 21mUnited Airlines
Sat 1/35:05 amONT - DUS
2 stops27h 50mUnited Airlines
Deal found 11/18$1,625
This oojo deal was found by Cheapflights users on 11/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:20 amDUS - ONT
2 stops20h 54mBritish Airways
Wed 1/144:45 pmONT - DUS
2 stops18h 00mBritish Airways
Deal found 11/18$1,828
This oojo deal was found by Cheapflights users on 11/17. 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.
Mon 12/18:40 pmDUS - ONT
2 stops34h 59mBritish Airways
Fri 12/512:46 pmONT - DUS
2 stops18h 44mBritish Airways
Deal found 11/17$1,918
This British Airways deal was found by Cheapflights users on 11/17. 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.
Mon 12/88:40 pmDUS - ONT
2 stops50h 15mBritish Airways
Mon 12/151:26 pmONT - DUS
2 stops34h 39mBritish Airways
Deal found 11/17$2,008
This American Airlines deal was found by Cheapflights users on 11/17. 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.
Wed 12/107:05 amDUS - ONT
2 stops20h 12mAmerican Airlines
Wed 12/174:47 pmONT - DUS
2 stops17h 58mAmerican Airlines
Deal found 11/17$2,157

Cheapflights Fare Finder

 
Customize your flight search to find flights from Duesseldorf Intl to Ontario 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 18, 2025.
Use the filters below to find and compare flights from Duesseldorf Intl Airport to Ontario that are best for you.

Fly from

Duesseldorf Intl

Fly to

Ontario

Route

Depart

Return

Price

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Tue 2/24

6:15 am-6:40 pm

2 stops21h 25m

Ontario

Tue 3/10

6:46 am-3:10 pm

2 stops24h 24m

$646

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Sat 2/28

7:00 am-10:51 pm

2 stops24h 51m

Ontario

Sun 3/8

1:32 pm-7:50 pm

2 stops22h 18m

$646

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Fri 2/27

7:05 am-6:40 pm

2 stops20h 35m

Ontario

Sun 3/8

11:59 pm-3:10 pm

2 stops31h 11m

$646

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Tue 2/24

10:15 am-11:41 am

2 stops34h 26m

Ontario

Sun 3/8

1:32 pm-7:50 pm

2 stops22h 18m

$646

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Mon 2/23

7:05 am-6:40 pm

2 stops20h 35m

Ontario

Tue 3/10

6:00 am-3:10 pm

2 stops25h 10m

$646

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Thu 2/26

4:10 pm-6:40 pm

2 stops35h 30m

Ontario

Mon 3/9

10:57 am-3:10 pm

2 stops20h 13m

$646

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Sun 2/22

8:50 am-10:08 pm

2 stops22h 18m

Ontario

Mon 3/9

6:46 am-3:10 pm

2 stops24h 24m

$646

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Mon 2/23

7:05 am-6:40 pm

2 stops20h 35m

Ontario

Sun 3/8

11:59 pm-3:10 pm

2 stops31h 11m

$646

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Sat 2/28

10:20 am-10:09 am

2 stops32h 49m

Ontario

Tue 3/10

6:46 am-3:10 pm

2 stops24h 24m

$646

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Wed 2/25

7:05 am-6:40 pm

2 stops20h 35m

Ontario

Sun 3/8

11:59 pm-3:10 pm

2 stops31h 11m

$646

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Showing 1-10 of 23 results
1
2
3

Best time to book a flight from Duesseldorf Intl to Ontario

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

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

Currently, September is the cheapest month in which you can book a flight from Duesseldorf Intl Airport to Ontario (average of $506). Flying from Duesseldorf Intl Airport to Ontario in July is currently the most expensive (average of $646). 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 Duesseldorf Intl to Ontario. 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 into for flights to Ontario from Duesseldorf Intl?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly into when you book flights from Duesseldorf Intl to Ontario. 0 airlines have flights to Ontario from Duesseldorf Intl on a regular basis. Booking flights from Duesseldorf Intl to Ontario should not be difficult; the airport handles an average of 0 inbound flights from Duesseldorf Intl per day.

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

    There are many flights that can get you from Duesseldorf Intl Airport to Ontario in 21h 25m. Fly via American Airlines to get the fastest option. There are 5641 mi between Duesseldorf Intl Airport and Ontario.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Duesseldorf Intl Airport to Ontario (average of $506). Flying from Duesseldorf Intl Airport to Ontario in July is currently the most expensive (average of $646). 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.

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.