HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Ontario (ONT) to Bonn, Germany from $860

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — FRA
May 3 — May 101
From?
To?
Fri 5/3
Fri 5/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

How far in advance should I book a flight from Ontario to Bonn?

To save on the cost of your flight from Ontario to Bonn, book at least 38 days before your planned departure. Booking around this time can save you about 40% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $855 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,203.

What is the cheapest month to fly from Ontario to Bonn?

Flights from Ontario to Bonn lean towards being more expensive in June. Prices are generally better when you fly from Ontario to Bonn in February, with the cheapest ticket starting at $518.

When is the cheapest time to fly from Ontario to Bonn (ONT - BN9)?

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.

Cheap United Airlines flights from Ontario to Bonn

Explore cheap flight options specifically provided by United Airlines for the route between Ontario and Bonn. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 28, 2024.
Peruse some of the lowest-priced United Airlines flights we've found from Ontario to Bonn. Deals update often to give you more flight options matching your criteria
Mon 6/101:55 pmONT - DUS
2 stops39h 10mUnited Airlines
Mon 6/241:30 pmDUS - ONT
2 stops41h 57mUnited Airlines
Deal found 4/26$1,298
Thu 6/201:55 pmONT - DUS
2 stops19h 00mUnited Airlines
Tue 7/3010:45 amDUS - ONT
2 stops21h 00mUnited Airlines
Deal found 4/26$1,579
Sat 6/226:03 amONT - DUS
2 stops26h 52mUnited Airlines
Mon 7/16:00 amDUS - ONT
2 stops25h 45mUnited Airlines
Deal found 4/27$1,604

Cheap Delta flights from Ontario to Bonn

Explore cheap flight options specifically provided by Delta for the route between Ontario and Bonn. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 28, 2024.
Some of the best deals we've found on Delta flights traveling from Ontario to Bonn. Check back soon if you're not seeing flights that suit your needs.
Sun 5/125:20 pmONT - DUS
2 stops15h 20mDelta
Tue 5/2812:25 pmDUS - ONT
2 stops19h 13mDelta
Deal found 4/26$1,399
Fri 5/1712:50 pmONT - DUS
2 stops19h 30mDelta
Fri 5/312:35 pmDUS - ONT
2 stops18h 08mDelta
Deal found 4/27$1,531

Cheap Ontario to Bonn flights in April & May 2024

Find cheap flight options from Ontario to Bonn specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Prices were last updated on April 28, 2024.
The lowest fares we've come across on flights traveling from Ontario to Bonn in April and May 2024. Check back regularly for other flight deals.
Sun 5/125:20 pmONT - DUS
2 stops15h 20mDelta
Tue 5/2812:25 pmDUS - ONT
2 stops19h 13mDelta
Deal found 4/26$1,399
Fri 4/261:36 pmONT - DUS
2 stops35h 49mUnited Airlines
Tue 4/3010:45 amDUS - ONT
2 stops32h 17mUnited Airlines
Deal found 4/26$1,498
Fri 5/1712:50 pmONT - DUS
2 stops19h 30mDelta
Fri 5/312:35 pmDUS - ONT
2 stops18h 08mDelta
Deal found 4/27$1,531
Sun 5/2612:50 pmONT - DUS
2 stops19h 45mBritish Airways
Sun 6/27:30 amDUS - ONT
2 stops21h 38mBritish Airways
Deal found 4/26$2,803
Sat 4/271:36 pmONT - DUS
2 stops15h 54mUnited Airlines
Wed 5/13:05 pmDUS - ONT
2 stops16h 59mUnited Airlines
Deal found 4/27$2,973
Thu 5/910:34 amONT - DUS
2 stops19h 26mIberia
Thu 5/3011:55 amDUS - ONT
2 stops21h 01mIberia
Deal found 4/25$3,432
Tue 5/2110:34 amONT - DUS
2 stops19h 26mIberia
Mon 9/2311:55 amDUS - ONT
2 stops20h 31mIberia
Deal found 4/26$5,229
Thu 5/3010:34 amONT - DUS
2 stops19h 26mIberia
Sat 6/157:45 amDUS - ONT
2 stops20h 12mIberia
Deal found 4/27$8,390

Ontario to Bonn 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Bonn in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 28, 2024.
The lowest fares we've come across on flights traveling from Ontario to Bonn in April and May 2024. Check back regularly for other flight deals.
Mon 6/101:55 pmONT - DUS
2 stops39h 10mUnited Airlines
Mon 6/241:30 pmDUS - ONT
2 stops41h 57mUnited Airlines
Deal found 4/26$1,298
Sun 5/125:20 pmONT - DUS
2 stops15h 20mDelta
Tue 5/2812:25 pmDUS - ONT
2 stops19h 13mDelta
Deal found 4/26$1,399
Fri 4/261:36 pmONT - DUS
2 stops35h 49mUnited Airlines
Tue 4/3010:45 amDUS - ONT
2 stops32h 17mUnited Airlines
Deal found 4/26$1,498
Fri 5/1712:50 pmONT - DUS
2 stops19h 30mDelta
Fri 5/312:35 pmDUS - ONT
2 stops18h 08mDelta
Deal found 4/27$1,531
Thu 6/201:55 pmONT - DUS
2 stops19h 00mUnited Airlines
Tue 7/3010:45 amDUS - ONT
2 stops21h 00mUnited Airlines
Deal found 4/26$1,579
Sat 6/226:03 amONT - DUS
2 stops26h 52mUnited Airlines
Mon 7/16:00 amDUS - ONT
2 stops25h 45mUnited Airlines
Deal found 4/27$1,604
Sat 12/2110:40 amONT - DUS
2 stops18h 15mUnited Airlines
Sun 1/51:25 pmDUS - ONT
2 stops17h 40mUnited Airlines
Deal found 4/26$1,880
Fri 6/74:36 pmONT - DUS
2 stops19h 29mBritish Airways
Wed 6/122:15 pmDUS - ONT
2 stops18h 44mBritish Airways
Deal found 4/26$2,267
Tue 6/184:36 pmONT - DUS
2 stops16h 09mBritish Airways
Tue 7/307:10 amDUS - ONT
2 stops20h 40mBritish Airways
Deal found 4/26$2,300

One-way flights to Bonn from Ontario

Search for one-way flight options from Ontario to Bonn. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 28, 2024.
Users in need of a one-way flight from Ontario to Bonn can choose from these deals. Users can also find round-trip Ontario to Bonn flights by using the search form above.
Sat 10/511:05 amONT - DUS
2 stops35h 45mQatar Airways
Deal found 4/26$860
Wed 10/211:05 amONT - DUS
2 stops41h 50mQatar Airways
Deal found 4/26$863
Mon 9/237:40 amONT - DUS
2 stops19h 00mUnited Airlines
Deal found 4/26$881
Tue 9/242:02 pmONT - DUS
2 stops34h 53mUnited Airlines
Deal found 4/26$920
Sun 5/268:50 pmONT - DUS
2 stops32h 30mUnited Airlines
Deal found 4/26$930
Mon 9/3010:48 amONT - DUS
2 stops21h 52mUnited Airlines
Deal found 4/26$1,011
Mon 9/307:18 amONT - DUS
3 stops29h 37mUnited Airlines
Deal found 4/26$1,020
Tue 6/256:10 amONT - DUS
2 stops26h 30mUnited Airlines
Deal found 4/26$1,051
Thu 10/37:18 amONT - DUS
3 stops29h 37mUnited Airlines
Deal found 4/26$1,094

Find flights from Ontario to Bonn within your budget

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 2,991,349 searches. Data last updated April 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,298 - $3,204

Route

Depart

Return

Price

OntarioDuesseldorf Intl

ONT - DUS

ONTDUS

Ontario

Mon 6/10

2 stops39h 10m

Duesseldorf Intl

Mon 6/24

2 stops41h 57m

$1,298

OntarioDuesseldorf Intl

ONT - DUS

ONTDUS

Ontario

Sun 5/12

2 stops15h 20m

Duesseldorf Intl

Tue 5/28

2 stops19h 13m

$1,399

OntarioDuesseldorf Intl

ONT - DUS

ONTDUS

Ontario

Fri 5/17

2 stops19h 30m

Duesseldorf Intl

Fri 5/31

2 stops18h 08m

$1,531

OntarioDuesseldorf Intl

ONT - DUS

ONTDUS

Ontario

Thu 6/20

2 stops19h 00m

Duesseldorf Intl

Tue 7/30

2 stops21h 00m

$1,579

OntarioDuesseldorf Intl

ONT - DUS

ONTDUS

Ontario

Sat 6/22

2 stops26h 52m

Duesseldorf Intl

Mon 7/1

2 stops25h 45m

$1,604

OntarioDuesseldorf Intl

ONT - DUS

ONTDUS

Ontario

Fri 6/7

2 stops19h 29m

Duesseldorf Intl

Wed 6/12

2 stops18h 44m

$2,267

OntarioDuesseldorf Intl

ONT - DUS

ONTDUS

Ontario

Tue 6/18

2 stops16h 09m

Duesseldorf Intl

Tue 7/30

2 stops20h 40m

$2,300

OntarioDuesseldorf Intl

ONT - DUS

ONTDUS

Ontario

Mon 6/10

3 stops20h 10m

Duesseldorf Intl

Mon 6/24

3 stops29h 33m

$2,582

OntarioDuesseldorf Intl

ONT - DUS

ONTDUS

Ontario

Sat 6/8

2 stops19h 26m

Duesseldorf Intl

Wed 6/12

2 stops20h 12m

$3,204

Flights are sorted by cheapest first

Deals found on 4/26

No data available for this route at this time. Please check back soon.

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 April 28, 2024.
See what other customers who have flown with United Airlines, Delta and Iberia from Ontario to Bonn have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,951 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.0

Food

7.4

Comfort

7.9

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Delta
8.1
Very good
10,951 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.0

Food

7.4

Comfort

7.9

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Qatar Airways
7.7
Good
4,459 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.0

Food

7.4

Comfort

7.9

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

United Airlines
7.4
Good
11,228 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.0

Food

7.4

Comfort

7.9

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Iberia
7.1
Good
2,764 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.0

Food

7.4

Comfort

7.9

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Air Canada
7.0
Good
6,868 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Boarding

8.2

Crew

8.6

Overall

8.1

Entertainment

8.0

Food

7.4

Comfort

7.9

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

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 3 different airlines.

  • Can I find flights from Ontario to Bonn for under $1,300 on Cheapflights?

    Yes, there are multiple flights from Ontario to Bonn for under $1,300. The cheapest flight booked recently is on United Airlines for just $1,298, but on average you can expect to pay $3,038.

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

    $860 is the cheapest one-way deal found within the past few days, from Qatar Airways. You may also be able to find cheap deals on United Airlines and Iberia, with prices starting from $881 and $2,282, respectively.

  • What are the most popular airlines that fly from Ontario to Bonn?

    When booking a flight from Ontario to Bonn, you may want to consider flying on American Airlines, British Airways or United Airlines as they are the most popular for this route.

  • What does ONT to FRA mean?

    This is defined as Ontario Airport (ONT) and Frankfurt am Main Airport (FRA). Codes like Frankfurt am Main Airport are often used to just call airports uniquely. Duesseldorf Intl Airport (DUS), Cologne Köln/Bonn Airport (CGN), Dortmund Airport (DTM), Frankfurt-Hahn Airport (HHN), Düsseldorf Weeze Airport (NRN) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Ontario to Bonn that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Bonn flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Bonn with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Bonn flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by 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.

  • Can I find deals for flights from Ontario to Bonn that allow pets onboard?

    Many airlines flying from Ontario to Bonn offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Bonn?

    Yes, you can often find last-minute deals on Ontario to Bonn flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ontario to Bonn flight deals updated?

    The Ontario to Bonn flight deals you see on this page were last updated on 4/27.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Bonn
See prices for flight routes from nearby airports that may be better suited for you.

Los Angeles to Frankfurt flights
San Francisco to Frankfurt flights
San Francisco to Munich flights
Los Angeles to Munich flights
San Diego to Munich flights
Los Angeles to Berlin flights
Ontario to Frankfurt flights
San Francisco to Berlin flights
San Diego to Frankfurt flights
San Jose to Frankfurt flights
Los Angeles to Duesseldorf Intl flights
Oakland to Frankfurt flights
Burbank to Frankfurt flights
Santa Ana to Frankfurt flights
Ontario to Munich flights
Santa Ana to Munich flights
Sacramento to Frankfurt flights
Burbank to Munich flights
San Jose to Munich flights
Oakland to Munich flights
San Francisco to Duesseldorf Intl flights
Santa Ana to Berlin flights
San Jose to Berlin flights
Oakland to Berlin flights
Los Angeles to Hamburg flights
Burbank to Berlin flights
Ontario to Berlin flights
San Francisco to Hamburg flights
San Diego to Berlin flights
Los Angeles to Bremen flights
Sacramento to Duesseldorf Intl flights
Ontario to Hamburg flights
San Francisco to Stuttgart flights
Ontario to Duesseldorf Intl flights
Los Angeles to Nuremberg flights
Long Beach to Frankfurt flights
Sacramento to Munich flights
San Francisco to Bremen flights
San Diego to Duesseldorf Intl flights
San Francisco to Cologne flights
Los Angeles to Stuttgart flights
Los Angeles to Cologne flights
Sacramento to Berlin flights
San Francisco to Dresden flights
Burbank to Duesseldorf Intl flights
Fresno to Frankfurt flights
San Jose to Duesseldorf Intl flights
Santa Rosa to Frankfurt flights
San Francisco to Leipzig flights
Reno to Frankfurt flights

Top 3 airlines flying from Ontario to Bonn

Discover the top 3 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 2,991,349 searches. Data last updated April 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$598Average$1,387FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest$628Average$1,378FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$735Average$1,041FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Dallas to Dubai flights
Los Angeles to Orlando flights
Denver to Las Vegas flights
San Francisco to Salt Lake City flights
Houston to New York flights
New York to Paris flights
USA to Dhaka flights
Phoenix to Chicago flights
USA to Kathmandu flights
Atlanta to Los Angeles flights
Chicago to Tampa flights
Ontario to Nashville flights

Search flights from Ontario to Bonn by cabin class

Find flights from Ontario to Bonn, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Perugia Sant Egidio
Flights to Biarritz Parme
Flights to Argostoli Cephalonia
Flights to Melilla
Flights to Milas–Bodrum
Flights to Girona Costa Brava
Flights to Hakodate
Flights to Fez Sais
Flights to Constantine Ain El Bey
Flights to Zakynthos Dionsios Salomos
Flights to Bourgas
Flights to Bodø
Flights to Reggio Calabria Tito Menniti
Flights to Bastia Poretta
Flights to Skiathos
Flights to Kalamata
Flights to Batumi
Flights to Menorca/Mahon
Flights to Kristiansand Kjevik
Flights to Champaign University-Willard
Flights to Kagoshima
Flights to Ohrid
Flights to Clermont-Ferrand Aulnat
Flights to Parikia Paros

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Bonn?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Bonn from Ontario today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ontario to Bonn?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to Bonn.

Can Cheapflights find flights from Ontario to Bonn with no change fees?

Yes! Cheapflights helps users easily find flights from Ontario to Bonn with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Bonn become cheaper?

Of course! You can now track prices for flights from Ontario to Bonn and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines