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Bonn

$324+ Cheap flights from Ontario (ONT) to Bonn, Germany

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FRA
Aug 16 — Aug 231
Sat 8/16
Sat 8/23
1 adult, Economy
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Cheap flight deals from Ontario to Bonn

Keep the following information in mind while searching for Ontario to Bonn flight deals. Data was last updated August 11, 2025.

Round-trip from

$610
(Iberia)

One-way from

$324
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$791
From Ontario to Bonn
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One-way flight from Ontario to Bonn
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Highest demand for flights based on searches. 20% potential increase in price ($215 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 August 2025
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Find flight deals from Ontario to Bonn

Cheapest flights from Ontario to Bonn
Explore the most affordable flight options available from Ontario to Bonn. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2025.

This Iberia deal was found by Cheapflights users on 8/9. 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.
Wed 12/2411:00 amONT - DUS
2 stops19h 20mMultiple Airlines
Tue 1/1312:30 pmDUS - ONT
2 stops18h 32mMultiple Airlines
Deal found 8/9$610
This United Airlines deal was found by Cheapflights users on 8/9. 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 12/236:39 pmONT - DUS
2 stops37h 01mUnited Airlines
Tue 1/136:20 amDUS - ONT
2 stops20h 40mUnited Airlines
Deal found 8/9$613
This British Airways deal was found by Cheapflights users on 8/11. 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.
Tue 11/1110:47 amONT - DUS
2 stops19h 23mBritish Airways
Mon 11/2412:55 pmDUS - ONT
2 stops20h 02mBritish Airways
Deal found 8/11$660
This United Airlines deal was found by Cheapflights users on 8/9. 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 12/2410:42 amONT - DUS
2 stops20h 58mUnited Airlines
Mon 1/126:20 amDUS - ONT
2 stops22h 57mUnited Airlines
Deal found 8/9$663
This British Airways deal was found by Cheapflights users on 8/9. 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.
Tue 12/912:53 pmONT - DUS
2 stops20h 12mBritish Airways
Wed 12/1710:05 amDUS - ONT
2 stops20h 53mBritish Airways
Deal found 8/9$685
This Iberia deal was found by Cheapflights users on 8/9. 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.
Wed 8/132:57 pmONT - DUS
2 stops19h 13mIberia
Wed 8/2011:55 amDUS - ONT
2 stops19h 53mIberia
Deal found 8/9$758
This United Airlines deal was found by Cheapflights users on 8/9. 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 12/235:40 amONT - DUS
2 stops22h 55mUnited Airlines
Mon 1/126:20 amDUS - ONT
2 stops25h 06mUnited Airlines
Deal found 8/9$787
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/71:29 pmONT - DUS
2 stops16h 06mUnited Airlines
Wed 11/1210:35 amDUS - ONT
2 stops20h 02mUnited Airlines
Deal found 8/10$844
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/251:53 pmONT - DUS
2 stops42h 47mUnited Airlines
Sat 11/158:15 amDUS - ONT
2 stops22h 22mUnited Airlines
Deal found 8/10$868
This United Airlines deal was found by Cheapflights users on 8/9. 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 8/147:00 amONT - DUS
2 stops16h 15mUnited Airlines
Thu 8/219:10 amDUS - ONT
2 stops20h 33mUnited Airlines
Deal found 8/9$927
This United Airlines deal was found by Cheapflights users on 8/11. 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 8/211:42 pmONT - DUS
2 stops19h 18mUnited Airlines
Mon 8/259:10 amDUS - ONT
2 stops17h 19mUnited Airlines
Deal found 8/11$977
This Expedia deal was found by Cheapflights users on 8/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2511:39 amONT - DUS
2 stops37h 06mMultiple Airlines
Fri 8/299:00 pmDUS - ONT
2 stops46h 44mMultiple Airlines
Deal found 8/9$1,148

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Bonn 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 August 11, 2025.
Use the filters below to find and compare flights from Ontario to Bonn that are best for you.

Fly from

Ontario

Fly to

Bonn

Route

Depart

Return

Price

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Wed 12/24

11:00 am-3:20 pm

2 stops19h 20m

Duesseldorf Intl

Tue 1/13

12:30 pm-10:02 pm

2 stops18h 32m

$610

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Tue 12/23

6:39 pm-4:40 pm

2 stops37h 01m

Duesseldorf Intl

Tue 1/13

6:20 am-6:00 pm

2 stops20h 40m

$613

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Tue 11/11

10:47 am-3:10 pm

2 stops19h 23m

Duesseldorf Intl

Mon 11/24

12:55 pm-11:57 pm

2 stops20h 02m

$660

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Wed 12/24

10:42 am-4:40 pm

2 stops20h 58m

Duesseldorf Intl

Mon 1/12

6:20 am-8:17 pm

2 stops22h 57m

$663

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Tue 12/9

12:53 pm-6:05 pm

2 stops20h 12m

Duesseldorf Intl

Wed 12/17

10:05 am-9:58 pm

2 stops20h 53m

$685

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Tue 12/23

5:40 am-1:35 pm

2 stops22h 55m

Duesseldorf Intl

Mon 1/12

6:20 am-10:26 pm

2 stops25h 06m

$787

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Fri 11/7

1:29 pm-2:35 pm

2 stops16h 06m

Duesseldorf Intl

Wed 11/12

10:35 am-9:37 pm

2 stops20h 02m

$844

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Sat 10/25

1:53 pm-5:40 pm

2 stops42h 47m

Duesseldorf Intl

Sat 11/15

8:15 am-9:37 pm

2 stops22h 22m

$868

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Thu 1/15

10:57 am-3:10 pm

2 stops19h 13m

Duesseldorf Intl

Thu 5/14

11:55 am-11:40 pm

2 stops20h 45m

$963

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

Thu 8/21

1:42 pm-6:00 pm

2 stops19h 18m

Duesseldorf Intl

Mon 8/25

9:10 am-5:29 pm

2 stops17h 19m

$977

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/10

Showing 1-10 of 20 results
1
2

Best time to book a flight from Ontario to Bonn

Have a flexible travel schedule? Discover the best time to fly to Bonn 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 Bonn

What is the cheapest month to book a flight from Ontario to Bonn?

Currently, January is the cheapest month in which you can book a flight from Ontario to Bonn (average of $729). Flying from Ontario to Bonn in June is currently the most expensive (average of $1,091). 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.

What is the cheapest time of day to fly from ONT to BN9?

Find hourly flight availability from Ontario to Bonn. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 11, 2025.

When flying from Ontario to Bonn, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Bonn

Get insights into the airlines that provide service to Bonn. 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 Bonn. Reviews last updated August 11, 2025.
Read reviews from past customers who have flown Qatar Airways, United Airlines, and American Airlines from Ontario to Bonn. 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
3,605 reviews

Food

7.3

Crew

7.9

Boarding

7.5

Entertainment

7.4

Overall

7.4

Comfort

7.4

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Qatar Airways
7.4
Good
3,605 reviews
Qatar Airways
7.4
Good
3,605 reviews

Food

7.3

Crew

7.9

Boarding

7.5

Entertainment

7.4

Overall

7.4

Comfort

7.4

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
United Airlines
7.4
Good
8,922 reviews
Qatar Airways
7.4
Good
3,605 reviews

Food

7.3

Crew

7.9

Boarding

7.5

Entertainment

7.4

Overall

7.4

Comfort

7.4

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
American Airlines
7.2
Good
10,000 reviews
Qatar Airways
7.4
Good
3,605 reviews

Food

7.3

Crew

7.9

Boarding

7.5

Entertainment

7.4

Overall

7.4

Comfort

7.4

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Air Canada
7.1
Good
9,930 reviews
Qatar Airways
7.4
Good
3,605 reviews

Food

7.3

Crew

7.9

Boarding

7.5

Entertainment

7.4

Overall

7.4

Comfort

7.4

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Iberia
7.0
Good
2,877 reviews
Qatar Airways
7.4
Good
3,605 reviews

Food

7.3

Crew

7.9

Boarding

7.5

Entertainment

7.4

Overall

7.4

Comfort

7.4

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

Related info for your journey

Find useful and relevant information for your journey from Ontario to Bonn. 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 Bonn?

    If you book a flight to Bonn 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 Bonn per day from 2 different airlines.

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

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

  • How can I find direct flights from Ontario to Bonn?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Bonn 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 Bonn?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Bonn (average of $729). Flying from Ontario to Bonn in June is currently the most expensive (average of $1,091). 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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See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Ontario to Bonn

Discover the top 2 airlines that operate flights from Ontario to Bonn. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$730Average$1,027FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$752Average$830FlexibilityNo cancel feeOn-time70%

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