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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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DUS
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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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 July 3, 2025.

Round-trip from

$614
(United Airlines)

One-way from

$419
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$1,116
From Ontario to Duesseldorf Intl
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One-way flight from Ontario to Duesseldorf Intl
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Highest demand for flights based on searches. 20% potential increase in price ($218 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 3, 2025.

This United Airlines deal was found by Cheapflights users on 7/2. 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 8/136:00 amONT - DUS
2 stops21h 40mUnited Airlines
Tue 8/193:10 pmDUS - ONT
2 stops38h 23mUnited Airlines
Deal found 7/2$614
This Priceline deal was found by Cheapflights users on 7/2. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/294:45 pmONT - DUS
2 stops19h 20mBritish Airways
Sat 8/167:10 amDUS - ONT
2 stops20h 14mBritish Airways
Deal found 7/2$1,366
This Iberia deal was found by Cheapflights users on 7/1. 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.
Tue 7/292:37 pmONT - DUS
2 stops19h 33mIberia
Sat 8/1611:55 amDUS - ONT
2 stops19h 53mIberia
Deal found 7/1$1,374
This Qatar Airways deal was found by Cheapflights users on 7/3. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/232:54 pmONT - DUS
2 stops31h 56mQatar Airways
Fri 10/33:25 pmDUS - ONT
2 stops31h 25mQatar Airways
Deal found 7/3$1,838
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Sat 12/203:06 pmONT - DUS
2 stops19h 34mAmerican Airlines
Tue 12/3010:30 amDUS - ONT
2 stops20h 33mAmerican Airlines
Deal found 7/2$2,328
This Mytrip deal was found by Cheapflights users on 7/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/212:45 amONT - DUS
2 stops35h 35mMultiple Airlines
Mon 7/149:10 amDUS - ONT
3 stops22h 37mMultiple Airlines
Deal found 7/2$4,858

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 July 3, 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 8/13

6:00 am-12:40 pm

2 stops21h 40m

Duesseldorf Intl

Tue 8/19

3:10 pm-8:33 pm

2 stops38h 23m

$614

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Tue 7/29

4:45 pm-9:05 pm

2 stops19h 20m

Duesseldorf Intl

Sat 8/16

7:10 am-6:24 pm

2 stops20h 14m

$1,366

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Tue 7/29

2:37 pm-7:10 pm

2 stops19h 33m

Duesseldorf Intl

Sat 8/16

11:55 am-10:48 pm

2 stops19h 53m

$1,374

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Tue 9/23

2:54 pm-7:50 am

2 stops31h 56m

Duesseldorf Intl

Fri 10/3

3:25 pm-1:50 pm

2 stops31h 25m

$1,838

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sat 12/20

3:06 pm-7:40 pm

2 stops19h 34m

Duesseldorf Intl

Tue 12/30

10:30 am-10:03 pm

2 stops20h 33m

$2,328

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sun 7/20

7:00 am-2:05 pm

2 stops22h 05m

$419

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Tue 7/15

12:00 pm-7:50 am

2 stops34h 50m

$838

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Thu 7/17

12:59 am-9:05 pm

2 stops35h 06m

$1,168

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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, February is the cheapest month in which you can book a flight from Ontario to Duesseldorf Intl Airport (average of $662). Flying from Ontario to Duesseldorf Intl Airport in June is currently the most expensive (average of $1,059). 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.

Reviews of airlines servicing Duesseldorf Intl

Get insights into the airlines that provide service to Duesseldorf Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Duesseldorf Intl. Reviews last updated July 3, 2025.
Read reviews from past customers who have flown Qatar Airways, United Airlines, and American Airlines from Ontario to Duesseldorf Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,588 reviews

Entertainment

7.4

Overall

7.4

Comfort

7.4

Crew

7.9

Boarding

7.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines
Qatar Airways
7.4
Good
3,588 reviews
Qatar Airways
7.4
Good
3,588 reviews

Entertainment

7.4

Overall

7.4

Comfort

7.4

Crew

7.9

Boarding

7.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines
United Airlines
7.4
Good
8,845 reviews
Qatar Airways
7.4
Good
3,588 reviews

Entertainment

7.4

Overall

7.4

Comfort

7.4

Crew

7.9

Boarding

7.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines
American Airlines
7.2
Good
10,000 reviews
Qatar Airways
7.4
Good
3,588 reviews

Entertainment

7.4

Overall

7.4

Comfort

7.4

Crew

7.9

Boarding

7.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines
Iberia
7.0
Good
2,819 reviews
Qatar Airways
7.4
Good
3,588 reviews

Entertainment

7.4

Overall

7.4

Comfort

7.4

Crew

7.9

Boarding

7.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines
British Airways
6.6
Okay
7,093 reviews
Qatar Airways
7.4
Good
3,588 reviews

Entertainment

7.4

Overall

7.4

Comfort

7.4

Crew

7.9

Boarding

7.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines

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.

  • 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 Qatar Airways from $838 and British Airways from $1,168 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, February is the cheapest month in which you can book a flight from Ontario to Duesseldorf Intl Airport (average of $662). Flying from Ontario to Duesseldorf Intl Airport in June is currently the most expensive (average of $1,059). 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 Ontario?

Book flights to Ontario if you plan to visit one of these locations
Mönchengladbach
Bochum
Neuss
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Duisburg
Gelsenkirchen

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