HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Ontario (ONT) to Belfast from $825

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 9/13. 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 — BHD
May 6 — May 131
From?
To?
Mon 5/6
Mon 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

October is one of the best times of the year to fly to Belfast from Ontario. Prices for October average $953 per person but you can even find prices for as low as $628. The most expensive prices can be found in the month of December. Opting for a October flight can save you 46% on your journey compared to booking in December

When is the cheapest time to fly from Ontario to Belfast (ONT - BFS)?

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

Cheap British Airways flights from Ontario to Belfast

Explore cheap flight options specifically provided by British Airways for the route between Ontario and Belfast. 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 2,899,487 searches. Data last updated May 1, 2024.
Consider these cheap British Airways flights we've found departing from Ontario to Belfast. It's recommended that users confirm their flight details before booking.
Fri 9/134:45 pmONT - BHD
2 stops17h 25mBritish Airways
Fri 9/2010:10 amBHD - ONT
2 stops19h 32mBritish Airways
Deal found 5/1$825
Tue 9/104:45 pmONT - BHD
2 stops16h 40mBritish Airways
Tue 9/246:35 amBHD - ONT
2 stops19h 42mBritish Airways
Deal found 4/30$832
Mon 7/152:47 pmONT - BHD
2 stops19h 53mBritish Airways
Tue 7/309:45 amBHD - ONT
2 stops20h 20mBritish Airways
Deal found 5/1$958
Mon 7/159:19 amONT - BHD
3 stops27h 51mBritish Airways
Tue 7/303:15 pmBHD - ONT
3 stops35h 07mBritish Airways
Deal found 5/1$1,247

Cheap American Airlines flights from Ontario to Belfast

Explore cheap flight options specifically provided by American Airlines for the route between Ontario and Belfast. 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 2,899,487 searches. Data last updated May 1, 2024.
Have a look at some of the cheapest available American Airlines flights departing from Ontario and landing in Belfast. Make sure to examine the flight information before completing your reservation.
Mon 7/1512:43 pmONT - BHD
2 stops20h 42mAmerican Airlines
Tue 7/309:45 amBHD - ONT
3 stops21h 15mAmerican Airlines
Deal found 5/1$933
Mon 5/62:50 pmONT - BHD
2 stops16h 45mAmerican Airlines
Mon 5/1312:20 pmBHD - ONT
2 stops19h 36mAmerican Airlines
Deal found 5/1$1,171
Mon 5/62:50 pmONT - BHD
2 stops16h 45mAmerican Airlines
Mon 5/1312:20 pmBHD - ONT
2 stops19h 36mAmerican Airlines
Deal found 5/1$1,173

Cheap Ontario to Belfast flights in May & June 2024

Find cheap flight options from Ontario to Belfast specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,899,487 searches. Prices were last updated on May 1, 2024.
These are some of the best deals we've found on flights to Belfast in 2024 at this time. For more flight deals, be sure to check back very soon.
Mon 5/62:50 pmONT - BHD
2 stops16h 45mAmerican Airlines
Mon 5/1312:20 pmBHD - ONT
2 stops19h 36mAmerican Airlines
Deal found 5/1$1,171
Mon 5/62:50 pmONT - BHD
2 stops16h 45mAmerican Airlines
Mon 5/1312:20 pmBHD - ONT
2 stops19h 36mAmerican Airlines
Deal found 5/1$1,173
Sat 5/42:53 pmONT - BHD
2 stops17h 32mAmerican Airlines
Sat 5/119:40 amBHD - ONT
2 stops18h 28mAmerican Airlines
Deal found 5/1$1,214
Thu 5/22:53 pmONT - BHD
2 stops18h 47mIberia
Thu 5/96:35 amBHD - ONT
2 stops21h 33mIberia
Deal found 5/1$2,694

Ontario to Belfast 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Belfast in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 1, 2024.
These are some of the best deals we've found on flights to Belfast in 2024 at this time. For more flight deals, be sure to check back very soon.
Fri 9/134:45 pmONT - BHD
2 stops17h 25mBritish Airways
Fri 9/2010:10 amBHD - ONT
2 stops19h 32mBritish Airways
Deal found 5/1$825
Tue 9/104:45 pmONT - BHD
2 stops16h 40mBritish Airways
Tue 9/246:35 amBHD - ONT
2 stops19h 42mBritish Airways
Deal found 4/30$832
Mon 7/1512:43 pmONT - BHD
2 stops20h 42mAmerican Airlines
Tue 7/309:45 amBHD - ONT
3 stops21h 15mAmerican Airlines
Deal found 5/1$933
Mon 7/152:47 pmONT - BHD
2 stops19h 53mBritish Airways
Tue 7/309:45 amBHD - ONT
2 stops20h 20mBritish Airways
Deal found 5/1$958
Mon 5/62:50 pmONT - BHD
2 stops16h 45mAmerican Airlines
Mon 5/1312:20 pmBHD - ONT
2 stops19h 36mAmerican Airlines
Deal found 5/1$1,171
Mon 5/62:50 pmONT - BHD
2 stops16h 45mAmerican Airlines
Mon 5/1312:20 pmBHD - ONT
2 stops19h 36mAmerican Airlines
Deal found 5/1$1,173
Sat 5/42:53 pmONT - BHD
2 stops17h 32mAmerican Airlines
Sat 5/119:40 amBHD - ONT
2 stops18h 28mAmerican Airlines
Deal found 5/1$1,214
Mon 7/159:19 amONT - BHD
3 stops27h 51mBritish Airways
Tue 7/303:15 pmBHD - ONT
3 stops35h 07mBritish Airways
Deal found 5/1$1,247
Thu 5/22:53 pmONT - BHD
2 stops18h 47mIberia
Thu 5/96:35 amBHD - ONT
2 stops21h 33mIberia
Deal found 5/1$2,694

Ontario to Belfast flights leaving soon

Find last-minute flight options from Ontario to Belfast for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 1, 2024.
Check out these flights departing soon from Ontario to Belfast. To prevent any unwanted surprises, users should verify their flight info before booking.
Mon 5/62:50 pmONT - BHD
2 stops16h 45mAmerican Airlines
Mon 5/1312:20 pmBHD - ONT
2 stops19h 36mAmerican Airlines
Deal found 5/1$1,171
Mon 5/62:50 pmONT - BHD
2 stops16h 45mAmerican Airlines
Mon 5/1312:20 pmBHD - ONT
2 stops19h 36mAmerican Airlines
Deal found 5/1$1,173

One-way flights to Belfast from Ontario

Search for one-way flight options from Ontario to Belfast. 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 2,899,487 searches. Data last updated May 1, 2024.
Users traveling one-way from Ontario to Belfast can select one of these great deals. Users in need of a round-trip flight from Ontario to Belfast instead should update the search form at the top of page.
Sun 5/262:13 pmONT - BHD
2 stops18h 37mKLM
Deal found 4/30$1,192

Find flights from Ontario to Belfast within your budget

Customize your flight search to find flights from Ontario to Belfast 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 2,899,487 searches. Data last updated May 1, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$825 - $1,247

Route

Depart

Return

Price

OntarioBelfast City

ONT - BHD

ONTBHD

Ontario

Fri 9/13

2 stops17h 25m

Belfast City

Fri 9/20

2 stops19h 32m

$825

OntarioBelfast City

ONT - BHD

ONTBHD

Ontario

Tue 9/10

2 stops16h 40m

Belfast City

Tue 9/24

2 stops19h 42m

$832

OntarioBelfast City

ONT - BHD

ONTBHD

Ontario

Mon 7/15

2 stops20h 42m

Belfast City

Tue 7/30

3 stops21h 15m

$933

OntarioBelfast City

ONT - BHD

ONTBHD

Ontario

Mon 7/15

2 stops19h 53m

Belfast City

Tue 7/30

2 stops20h 20m

$958

OntarioBelfast City

ONT - BHD

ONTBHD

Ontario

Mon 7/15

3 stops27h 51m

Belfast City

Tue 7/30

3 stops35h 07m

$1,247

Flights are sorted by cheapest first

Deals found on 5/1

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

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. 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 Belfast. Reviews last updated May 1, 2024.
Read through reviews of airlines operating flights from Ontario to Belfast, such as British Airways and American Airlines. 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.
KLM
7.9
Good
1,612 reviews
Check prices

Boarding

7.8

Food

7.3

Comfort

7.6

Entertainment

7.2

Overall

7.9

Crew

8.4

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

KLM
7.9
Good
1,612 reviews
KLM
7.9
Good
1,612 reviews
Check prices

Boarding

7.8

Food

7.3

Comfort

7.6

Entertainment

7.2

Overall

7.9

Crew

8.4

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

American Airlines
7.3
Good
14,788 reviews
KLM
7.9
Good
1,612 reviews
Check prices

Boarding

7.8

Food

7.3

Comfort

7.6

Entertainment

7.2

Overall

7.9

Crew

8.4

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

British Airways
6.8
Okay
6,884 reviews
KLM
7.9
Good
1,612 reviews
Check prices

Boarding

7.8

Food

7.3

Comfort

7.6

Entertainment

7.2

Overall

7.9

Crew

8.4

Reviews

1 / 10

Departure was late. Plane much too small for an 11 hour flight. One bathroom was out of order in a completely full flight.

Related info for your journey

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

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Belfast. You should not have trouble finding flights to Belfast from Ontario; the airport handles an average of 0 outbound flights to Belfast per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Ontario airport to Belfast. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

  • Can I find flights from Ontario to Belfast for under $900 on Cheapflights?

    Yes, there are multiple flights from Ontario to Belfast for under $900. The cheapest flight booked recently is on British Airways for just $825, but on average you can expect to pay $959.

  • Are there last-minute flights available from Ontario to Belfast for under $1,200?

    There are currently 2+ open flights from Ontario to Belfast within the next 7 days for less than $1,200.

  • What does ONT to BFS mean?

    Great question - ONT to BFS just means Ontario Airport to Belfast Intl Airport. Now you’ll know what these unique codes when you look for flights! Belfast City Airport (BHD), Glasgow Prestwick Airport (PIK), Londonderry Eglinton Airport (LDY), Isle of Islay Glenegedale Airport (ILY), Campbeltown Machrihanish Airport (CAL) are other airports near this flight route and their unique identifiers/IATA codes.

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

    The amount of baggage you can bring on your Ontario to Belfast 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 Belfast with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Belfast 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 Belfast that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Belfast 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 Belfast that allow pets onboard?

    Many airlines flying from Ontario to Belfast 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 Belfast?

    Yes, you can often find last-minute deals on Ontario to Belfast 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 Belfast flight deals updated?

    The Ontario to Belfast flight deals you see on this page were last updated on 5/1.

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 Belfast
See prices for flight routes from nearby airports that may be better suited for you.

Los Angeles to Belfast Intl flights
Los Angeles to Belfast City flights
San Francisco to Belfast Intl flights
San Francisco to Belfast City flights
Ontario to Belfast City flights
San Jose to Belfast City flights
Santa Ana to Belfast City flights
Oakland to Belfast City flights
Burbank to Belfast City flights
Detroit to Houston flights
Chicago to Detroit flights
USA to China flights
Boston to Tampa flights
Tampa to Key West flights
New York to Mumbai flights
Chicago to Dallas flights
New York John F Kennedy Intl Airport to Dubai flights
Austin to Chicago flights
Los Angeles to Dallas flights
Cincinnati to Denver flights
Ontario to Bakersfield flights

Search flights from Ontario to Belfast by cabin class

Find flights from Ontario to Belfast, 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 Saint Peter Jersey
Flights to Kirkwall Arpt
Flights to Skiathos
Flights to Naxos
Flights to Ningbo Lishe Intl
Flights to Edremit/Korfez
Flights to Bourgas
Flights to Bodø
Flights to Pellston Emmet County
Flights to Cornwall Newquay
Flights to Ordu/Giresun
Flights to Batumi
Flights to Mason City
Flights to Biarritz Parme
Flights to Zakynthos Dionsios Salomos
Flights to Cortez Montezuma County
Flights to Clermont-Ferrand Aulnat
Flights to Nevsehir
Flights to Hyannis Barnstable
Flights to Girona Costa Brava
Flights to Kagoshima
Flights to Perugia Sant Egidio
Flights to Oran Es Senia
Flights to Chios

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 Belfast?

Cheapflights makes it easy to find Ontario to Belfast flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to Belfast for you. Better yet — we are completely free to use.

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

Certainly. Search results for flights to Belfast from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Belfast from Ontario today and book when prices fit your budget.

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