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Bonn

$418+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — FRA
dic. 3 — dic. 101
mié. 12/3
mié. 12/10
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 noviembre 3, 2025.

Round-trip from

$602
(United Airlines)

One-way from

$418
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$698
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. 18% potential increase in price ($204 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in November 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 noviembre 3, 2025.

This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/101:50 pmONT - DUS
2 stops19h 10mUnited Airlines
mié. 1/1410:30 amDUS - ONT
2 stops21h 23mUnited Airlines
Deal found 11/1$602
This United Airlines deal was found by Cheapflights users on 11/2. 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.
dom. 12/75:05 amONT - DUS
2 stops23h 30mUnited Airlines
dom. 12/1410:40 amDUS - ONT
2 stops21h 09mUnited Airlines
Deal found 11/2$782
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/146:40 amONT - DUS
2 stops22h 15mDelta
dom. 1/112:35 pmDUS - ONT
2 stops40h 54mDelta
Deal found 11/2$962
This United Airlines deal was found by Cheapflights users on 11/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/101:50 pmONT - DUS
2 stops19h 10mUnited Airlines
mié. 1/710:30 amDUS - ONT
2 stops20h 28mUnited Airlines
Deal found 11/1$1,067
This United Airlines deal was found by Cheapflights users on 11/2. 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.
mié. 12/176:00 amONT - DUS
2 stops22h 35mUnited Airlines
dom. 1/112:40 pmDUS - ONT
2 stops41h 13mUnited Airlines
Deal found 11/2$1,086
This United Airlines deal was found by Cheapflights users on 11/2. 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.
dom. 12/141:50 pmONT - DUS
2 stops19h 10mUnited Airlines
sáb. 1/102:30 pmDUS - ONT
2 stops55h 17mUnited Airlines
Deal found 11/2$1,194
This United Airlines deal was found by Cheapflights users on 11/2. 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.
mar. 12/166:00 amONT - DUS
2 stops42h 45mUnited Airlines
sáb. 1/102:30 pmDUS - ONT
2 stops55h 17mUnited Airlines
Deal found 11/2$1,221
This United Airlines deal was found by Cheapflights users on 11/2. 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.
mar. 12/166:00 amONT - DUS
3 stops42h 45mUnited Airlines
dom. 1/112:40 pmDUS - ONT
2 stops41h 13mUnited Airlines
Deal found 11/2$1,238
This KAYAK deal was found by Cheapflights users on 11/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/146:00 amONT - DUS
2 stops42h 25mBritish Airways
mié. 1/78:45 pmDUS - ONT
2 stops29h 37mBritish Airways
Deal found 11/2$1,242
This United Airlines deal was found by Cheapflights users on 11/2. 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.
dom. 12/145:05 amONT - DUS
2 stops27h 55mUnited Airlines
vie. 1/92:30 pmDUS - ONT
2 stops17h 23mUnited Airlines
Deal found 11/2$1,247
This KAYAK deal was found by Cheapflights users on 11/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/166:00 amONT - DUS
2 stops42h 30mBritish Airways
vie. 1/912:25 pmDUS - ONT
2 stops39h 20mBritish Airways
Deal found 11/2$1,252
This United Airlines deal was found by Cheapflights users on 11/2. 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.
dom. 12/141:34 pmONT - DUS
2 stops35h 56mUnited Airlines
jue. 1/811:35 amDUS - ONT
2 stops44h 18mUnited Airlines
Deal found 11/2$1,257

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 noviembre 3, 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

mié. 12/10

1:50 pm-6:00 pm

2 stops19h 10m

Duesseldorf Intl

mié. 1/14

10:30 am-10:53 pm

2 stops21h 23m

$602

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

dom. 3/1

1:45 pm-4:40 pm

2 stops17h 55m

Duesseldorf Intl

dom. 3/15

8:30 am-8:45 pm

2 stops20h 15m

$770

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

dom. 12/7

5:05 am-1:35 pm

2 stops23h 30m

Duesseldorf Intl

dom. 12/14

10:40 am-10:49 pm

2 stops21h 09m

$782

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

vie. 3/27

6:02 am-1:35 pm

2 stops23h 33m

Duesseldorf Intl

mar. 3/31

10:20 am-10:26 pm

2 stops21h 06m

$894

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

dom. 12/14

6:40 am-1:55 pm

2 stops22h 15m

Duesseldorf Intl

dom. 1/11

2:35 pm-10:29 pm

2 stops40h 54m

$962

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

mié. 12/24

1:40 pm-1:35 pm

2 stops14h 55m

Duesseldorf Intl

sáb. 1/10

2:30 pm-10:53 pm

2 stops17h 23m

$962

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

mié. 12/10

1:50 pm-6:00 pm

2 stops19h 10m

Duesseldorf Intl

mié. 1/7

10:30 am-9:58 pm

2 stops20h 28m

$1,067

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

mié. 12/17

6:00 am-1:35 pm

2 stops22h 35m

Duesseldorf Intl

dom. 1/11

2:40 pm-10:53 pm

2 stops41h 13m

$1,086

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

mié. 12/17

6:00 am-1:35 pm

2 stops22h 35m

Duesseldorf Intl

sáb. 1/10

2:30 pm-12:47 pm

2 stops55h 17m

$1,194

OntarioDüsseldorf

ONT - DUS

ONTDUS

Ontario

lun. 12/15

6:00 am-1:45 pm

2 stops22h 45m

Duesseldorf Intl

sáb. 1/10

2:30 pm-12:47 pm

2 stops55h 17m

$1,194

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 16 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, February is the cheapest month in which you can book a flight from Ontario to Bonn (average of $465). Flying from Ontario to Bonn in June is currently the most expensive (average of $775). 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 noviembre 3, 2025.

A simple way to save on the total cost of your ticket is to fly from Ontario to Bonn in the evening. If you’re flexible enough to do this you can expect to save up to 41% on your trip compared to booking a flight in the afternoon.

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.

  • How long is the flight from Ontario to Bonn?

    United Airlines can get you from Ontario to Bonn in just under 19h 10m. Your travel time can differ by up to . There are 5641 mi between Ontario and Bonn.

  • What are the cheapest airlines to fly from Ontario to Bonn one-way?

    $418 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on British Airways and American Airlines, with prices starting from $666 and $720, respectively.

  • 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, February is the cheapest month in which you can book a flight from Ontario to Bonn (average of $465). Flying from Ontario to Bonn in June is currently the most expensive (average of $775). 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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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 noviembre 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$712Average$907FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$719Average$830FlexibilityNo cancel feeOn-time70%

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