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$644+ Cheap flights from Duesseldorf Intl (DUS) to Ontario (ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
DUS — ONT
Feb 9 — Feb 161
Sun 2/9
Sun 2/16
1 adult, Economy
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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 February 4, 2025.

Round-trip from

$644
(United Airlines)

Popular in

July

Cheapest in

February

Average price

$626
From Duesseldorf Intl to Ontario
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Highest demand for flights based on searches. 12% potential increase in price ($104 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 February 4, 2025.

This United Airlines deal was found by Cheapflights users on 2/4. 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 3/66:15 amDUS - ONT
2 stops25h 30mUnited Airlines
Thu 3/136:00 amONT - DUS
2 stops25h 10mUnited Airlines
Deal found 2/4$644
This British Airways deal was found by Cheapflights users on 2/4. 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.
Thu 4/107:10 amDUS - ONT
2 stops44h 10mBritish Airways
Wed 4/164:35 pmONT - DUS
2 stops32h 00mBritish Airways
Deal found 2/4$736
This Finnair deal was found by Cheapflights users on 2/4. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/56:45 pmDUS - ONT
2 stops38h 05mMultiple Airlines
Sat 4/197:00 amONT - DUS
2 stops26h 00mMultiple Airlines
Deal found 2/4$798
This American Airlines deal was found by Cheapflights users on 2/4. 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 4/57:10 amDUS - ONT
2 stops37h 49mAmerican Airlines
Fri 4/187:00 amONT - DUS
2 stops18h 35mAmerican Airlines
Deal found 2/4$889
This Delta deal was found by Cheapflights users on 2/4. 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.
Fri 4/118:15 amDUS - ONT
2 stops23h 08mDelta
Wed 4/166:00 amONT - DUS
2 stops22h 55mDelta
Deal found 2/4$899
This Iberia deal was found by Cheapflights users on 2/4. 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.
Thu 4/106:20 amDUS - ONT
2 stops24h 50mIberia
Thu 4/1710:54 amONT - DUS
2 stops26h 26mIberia
Deal found 2/4$943
This Air Canada deal was found by Cheapflights users on 2/3. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2111:30 amDUS - ONT
3 stops33h 14mAir Canada
Fri 3/285:05 amONT - DUS
3 stops21h 20mAir Canada
Deal found 2/3$1,098

Find flights from Duesseldorf Intl to Ontario within your budget

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 4, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Thu 3/6

6:15 am-10:45 pm

2 stops25h 30m

Ontario

Thu 3/13

6:00 am-3:10 pm

2 stops25h 10m

$644

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Thu 4/10

7:10 am-6:20 pm

2 stops44h 10m

Ontario

Wed 4/16

4:35 pm-9:35 am

2 stops32h 00m

$736

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Sat 4/5

6:45 pm-11:50 pm

2 stops38h 05m

Ontario

Sat 4/19

7:00 am-6:00 pm

2 stops26h 00m

$798

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Sat 4/5

7:10 am-11:59 am

2 stops37h 49m

Ontario

Fri 4/18

7:00 am-10:35 am

2 stops18h 35m

$889

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Fri 4/11

8:15 am-10:23 pm

2 stops23h 08m

Ontario

Wed 4/16

6:00 am-1:55 pm

2 stops22h 55m

$899

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Thu 4/10

6:20 am-10:10 pm

2 stops24h 50m

Ontario

Thu 4/17

10:54 am-10:20 pm

2 stops26h 26m

$943

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Fri 3/21

11:30 am-12:44 pm

3 stops33h 14m

Ontario

Fri 3/28

5:05 am-10:25 am

3 stops21h 20m

$1,098

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Mon 3/31

8:25 am-7:01 pm

2 stops19h 36m

$783

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Mon 3/31

12:25 pm-10:22 pm

2 stops18h 57m

$951

DüsseldorfOntario

DUS - ONT

DUSONT

Duesseldorf Intl

Wed 2/12

7:05 am-6:37 pm

2 stops20h 32m

$1,580

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 12 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.

Travel insights for flights from Duesseldorf Intl to Ontario

Get recent, data-driven insights about flights from Duesseldorf Intl to Ontario including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Duesseldorf Intl Airport to Ontario (average of $246). Flying from Duesseldorf Intl Airport to Ontario in March is currently the most expensive (average of $315). 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 Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, 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 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated February 4, 2025.
Delta
8.0
Very good
8,408 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,408 reviews
Delta
8.0
Very good
8,408 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,887 reviews
Delta
8.0
Very good
8,408 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,408 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Canada
7.0
Good
8,667 reviews
Delta
8.0
Very good
8,408 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Iberia
7.0
Good
2,643 reviews
Delta
8.0
Very good
8,408 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines flying from Duesseldorf Intl Airport to Ontario round-trip?

    Flying on United Airlines is currently your cheapest option to Ontario, with prices starting at $644. Additional round-trip tickets that might be worth considering are offered by British Airways and American Airlines, with the lowest prices starting at $736 and $889, respectively.

  • What are the cheapest airlines to fly from Duesseldorf Intl Airport to Ontario one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $951. However, be on the lookout for offers from British Airways and United Airlines, as they are both options that can get you from Duesseldorf Intl Airport to Ontario for a low price.

  • 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, August is the cheapest month in which you can book a flight from Duesseldorf Intl Airport to Ontario (average of $246). Flying from Duesseldorf Intl Airport to Ontario in March is currently the most expensive (average of $315). 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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