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$596+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
DUS — ONT
Mar 10 — Mar 171
Tue 3/10
Tue 3/17
1 adult, Economy
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Cheap 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 February 8, 2026.

This American Airlines deal was found by Cheapflights users on 2/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:15 am
DUS
-
ONT
2 stops26h 00m
American Airlines
Sat 10/318:00 pm
ONT
-
DUS
2 stops42h 00m
American Airlines
Deal found 2/6$655
This American Airlines deal was found by Cheapflights users on 2/8. 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 2/187:05 am
DUS
-
ONT
2 stops24h 44m
American Airlines
Wed 2/252:39 pm
ONT
-
DUS
2 stops22h 41m
American Airlines
Deal found 2/8$656
This British Airways deal was found by Cheapflights users on 2/8. 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.
Fri 5/297:10 am
DUS
-
ONT
2 stops24h 28m
British Airways
Sat 6/611:59 pm
ONT
-
DUS
2 stops36h 01m
British Airways
Deal found 2/8$659
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Fri 5/15:45 pm
DUS
-
ONT
2 stops34h 47m
American Airlines
Mon 5/182:08 pm
ONT
-
DUS
2 stops18h 57m
American Airlines
Deal found 2/8$680
This Delta deal was found by Cheapflights users on 2/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2411:30 am
DUS
-
ONT
2 stops32h 17m
Delta
Tue 3/316:00 am
ONT
-
DUS
2 stops20h 50m
Delta
Deal found 2/7$683
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Mon 4/2711:55 am
DUS
-
ONT
2 stops31h 14m
American Airlines
Mon 5/182:08 pm
ONT
-
DUS
2 stops18h 57m
American Airlines
Deal found 2/8$687
This American Airlines deal was found by Cheapflights users on 2/8. 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 3/47:05 am
DUS
-
ONT
2 stops20h 37m
American Airlines
Tue 3/103:19 pm
ONT
-
DUS
2 stops18h 46m
American Airlines
Deal found 2/8$705
This United Airlines deal was found by Cheapflights users on 2/8. 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 4/1510:40 am
DUS
-
ONT
2 stops20h 46m
United Airlines
Thu 4/3010:37 am
ONT
-
DUS
2 stops17h 03m
United Airlines
Deal found 2/8$706
This United Airlines deal was found by Cheapflights users on 2/6. 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.
Thu 2/1910:50 am
DUS
-
ONT
2 stops20h 09m
United Airlines
Wed 2/251:45 pm
ONT
-
DUS
2 stops14h 50m
United Airlines
Deal found 2/6$708
This United Airlines deal was found by Cheapflights users on 2/8. 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 4/2811:00 am
DUS
-
ONT
2 stops19h 50m
United Airlines
Wed 5/206:00 am
ONT
-
DUS
2 stops23h 15m
United Airlines
Deal found 2/8$709
This Iberia deal was found by Cheapflights users on 2/7. 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.
Sat 3/147:00 am
DUS
-
ONT
2 stops24h 59m
Multiple Airlines
Wed 3/1810:56 am
ONT
-
DUS
2 stops20h 24m
Multiple Airlines
Deal found 2/7$712
This British Airways deal was found by Cheapflights users on 2/8. 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.
Fri 5/297:10 am
DUS
-
ONT
2 stops21h 46m
British Airways
Sun 6/712:40 pm
ONT
-
DUS
2 stops19h 50m
British Airways
Deal found 2/8$713

Find 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 February 8, 2026.

Round-trip from

$655
(American Airlines)

One-way from

$463
(Iberia)

Popular in

July

Cheapest in

September

Average price

$651
From Duesseldorf Intl to Ontario
Search Deals
One-way flight from Duesseldorf Intl to Ontario
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($86 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 February 2026
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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 February 8, 2026.
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

Thu 2/19

7:05 am-11:59 pm

2 stops25h 54m

Ontario

Wed 2/25

10:56 am-10:20 pm

2 stops26h 24m

$655

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Sat 5/30

7:10 am-9:57 pm

2 stops23h 47m

Ontario

Sat 6/6

12:46 pm-9:35 am

2 stops35h 49m

$659

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Fri 5/29

7:10 am-10:38 pm

2 stops24h 28m

Ontario

Sat 6/6

11:59 pm-9:00 pm

2 stops36h 01m

$659

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Tue 3/24

11:30 am-11:47 am

2 stops32h 17m

Ontario

Tue 3/31

6:00 am-11:50 am

2 stops20h 50m

$683

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Tue 4/28

6:00 am-6:02 pm

2 stops21h 02m

Ontario

Thu 5/7

10:37 am-12:40 pm

2 stops17h 03m

$705

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Wed 4/15

6:10 am-5:47 pm

2 stops20h 37m

Ontario

Tue 4/21

11:05 am-5:40 pm

2 stops21h 35m

$705

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Thu 2/19

10:50 am-9:59 pm

2 stops20h 09m

Ontario

Wed 2/25

1:45 pm-1:35 pm

2 stops14h 50m

$708

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Tue 4/28

7:10 am-6:24 pm

2 stops20h 14m

Ontario

Thu 5/7

10:59 am-1:55 pm

2 stops17h 56m

$709

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Mon 4/27

9:20 am-8:36 pm

2 stops20h 16m

Ontario

Wed 5/20

6:00 am-2:15 pm

2 stops23h 15m

$709

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Sun 5/3

3:30 pm-10:59 pm

2 stops16h 29m

Ontario

Tue 5/19

6:00 am-5:45 pm

2 stops26h 45m

$709

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Showing 1-10 of 24 results
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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 $501). Flying from Duesseldorf Intl Airport to Ontario in December is currently the most expensive (average of $593). 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 23h 47m. Fly via American Airlines, British Airways, or Delta to get the fastest option. There are 5641 mi between Duesseldorf Intl Airport and Ontario. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $501). Flying from Duesseldorf Intl Airport to Ontario in December is currently the most expensive (average of $593). 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

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