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Duesseldorf Intl

$421+ 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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — DUS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$705
(Iberia)

One-way from

$421
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$1,156
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 ($224 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Iberia deal was found by Cheapflights users on 6/12. 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 8/58:15 amONT - DUS
2 stops29h 05mIberia
Thu 8/216:20 amDUS - ONT
2 stops24h 54mIberia
Deal found 6/12$705
This United Airlines deal was found by Cheapflights users on 6/12. 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 8/87:00 amONT - DUS
2 stops18h 10mUnited Airlines
Sun 8/2411:05 amDUS - ONT
2 stops18h 28mUnited Airlines
Deal found 6/12$763
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Sun 8/104:54 pmONT - DUS
2 stops19h 11mAmerican Airlines
Tue 8/2611:55 amDUS - ONT
2 stops19h 53mAmerican Airlines
Deal found 6/12$895
This Priceline deal was found by Cheapflights users on 6/10. 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.
Thu 10/235:02 pmONT - DUS
2 stops19h 03mBritish Airways
Tue 11/412:30 pmDUS - ONT
2 stops18h 30mBritish Airways
Deal found 6/10$1,392
This Qatar Airways deal was found by Cheapflights users on 6/12. 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.
Fri 6/1312:00 pmONT - DUS
2 stops40h 45mMultiple Airlines
Tue 6/179:20 amDUS - ONT
2 stops47h 53mMultiple Airlines
Deal found 6/12$1,810
This Qatar Airways deal was found by Cheapflights users on 6/10. 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.
Thu 9/182:30 pmONT - DUS
2 stops32h 20mQatar Airways
Mon 9/293:25 pmDUS - ONT
2 stops31h 25mQatar Airways
Deal found 6/10$1,835

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 June 12, 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

Tue 8/5

8:15 am-10:20 pm

2 stops29h 05m

Duesseldorf Intl

Thu 8/21

6:20 am-10:14 pm

2 stops24h 54m

$705

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Fri 8/8

7:00 am-10:10 am

2 stops18h 10m

Duesseldorf Intl

Sun 8/24

11:05 am-8:33 pm

2 stops18h 28m

$763

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sun 8/10

4:54 pm-9:05 pm

2 stops19h 11m

Duesseldorf Intl

Tue 8/26

11:55 am-10:48 pm

2 stops19h 53m

$895

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Thu 10/23

5:02 pm-9:05 pm

2 stops19h 03m

Duesseldorf Intl

Tue 11/4

12:30 pm-10:00 pm

2 stops18h 30m

$1,392

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Thu 9/18

2:30 pm-7:50 am

2 stops32h 20m

Duesseldorf Intl

Mon 9/29

3:25 pm-1:50 pm

2 stops31h 25m

$1,835

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sun 7/27

7:00 am-9:40 am

2 stops17h 40m

$421

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Tue 7/29

8:15 am-7:10 pm

2 stops25h 55m

$481

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Wed 9/17

4:45 pm-5:40 pm

2 stops15h 55m

$588

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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.

Rainfall in Duesseldorf Intl by month

Plan your trip to Duesseldorf Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Duesseldorf Intl Airport ranges from 1.2 - 3.1 inches per month. July is typically the wettest month, when rainfall can reach 3.1 in. March is typically the driest time to visit Duesseldorf Intl Airport when rainfall is around 1.2 in.

Temperature in Duesseldorf Intl by month

Plan your trip to Duesseldorf Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Duesseldorf Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 June 12, 2025.
Read reviews from past customers who have flown Qatar Airways, United Airlines and American Airlines from Ontario to Düsseldorf. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,584 reviews

Crew

7.9

Overall

7.4

Boarding

7.5

Comfort

7.4

Food

7.3

Entertainment

7.4

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
3,584 reviews
Qatar Airways
7.4
Good
3,584 reviews

Crew

7.9

Overall

7.4

Boarding

7.5

Comfort

7.4

Food

7.3

Entertainment

7.4

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
8,790 reviews
Qatar Airways
7.4
Good
3,584 reviews

Crew

7.9

Overall

7.4

Boarding

7.5

Comfort

7.4

Food

7.3

Entertainment

7.4

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
3,584 reviews

Crew

7.9

Overall

7.4

Boarding

7.5

Comfort

7.4

Food

7.3

Entertainment

7.4

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
2,776 reviews
Qatar Airways
7.4
Good
3,584 reviews

Crew

7.9

Overall

7.4

Boarding

7.5

Comfort

7.4

Food

7.3

Entertainment

7.4

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
7,008 reviews
Qatar Airways
7.4
Good
3,584 reviews

Crew

7.9

Overall

7.4

Boarding

7.5

Comfort

7.4

Food

7.3

Entertainment

7.4

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 $421 on United Airlines. Other airlines that offer cheap prices include Iberia from $481 and British Airways from $588 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
Wuppertal
Duisburg
Gelsenkirchen

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