$895 Find Cheap Flights from Ontario to Belfast

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Belfast departing on 4/17. 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.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Belfast

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Belfast, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Belfast, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$895
American Airlines
Tue 8/18Tue 9/1
ONT - BHD • 2 stops
Cheapest one-way
$790
British Airways
Fri 4/17
ONT - BHD • 2 stops
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Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Ontario to Belfast (ONT-BHD)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Belfast that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Belfast

Tue, Aug 18 - Tue, Sep 1
American Airlines Logo
2:22 pm - 6:55 pm
ONT
-
BHD
20h 33m
2 stops
American Airlines Logo
9:40 am - 9:08 pm
BHD
-
ONT
19h 28m
2 stops
$895American Airlines
Mon, Aug 17 - Wed, Sep 2
British Airways Logo
1:00 pm - 8:35 pm
ONT
-
BHD
23h 35m
2 stops
British Airways Logo
6:30 am - 9:08 pm
BHD
-
ONT
22h 38m
2 stops
$935British Airways
Mon, Aug 17 - Mon, Aug 31
British Airways Logo
4:54 pm - 6:45 pm
ONT
-
BHD
17h 51m
2 stops
British Airways Logo
6:30 am - 11:06 pm
BHD
-
ONT
24h 36m
2 stops
$958British Airways
Sat, Sep 5 - Wed, Sep 16
British Airways Logo
4:54 pm - 6:15 pm
ONT
-
BHD
17h 21m
2 stops
British Airways Logo
10:05 am - 9:08 pm
BHD
-
ONT
19h 03m
2 stops
$974British Airways
Sun, Aug 16 - Thu, Aug 20
British Airways Logo
10:25 am - 2:35 pm
ONT
-
BHD
20h 10m
2 stops
British Airways Logo
6:30 am - 11:06 pm
BHD
-
ONT
24h 36m
2 stops
$1,096British Airways
Sun, Aug 16 - Thu, Aug 20
British Airways Logo
6:00 am - 2:35 pm
ONT
-
BHD
24h 35m
2 stops
British Airways Logo
9:35 am - 11:06 pm
BHD
-
ONT
21h 31m
2 stops
$1,097British Airways
Wed, Sep 2 - Wed, Sep 16
British Airways Logo
4:54 pm - 6:45 pm
ONT
-
BHD
17h 51m
2 stops
British Airways Logo
10:05 am - 9:08 pm
BHD
-
ONT
19h 03m
2 stops
$1,098British Airways
Mon, Sep 14 - Mon, Sep 28
British Airways Logo
4:59 pm - 6:45 pm
ONT
-
BHD
17h 46m
2 stops
British Airways Logo
9:40 am - 9:08 pm
BHD
-
ONT
19h 28m
2 stops
$1,168British Airways
Mon, Apr 27 - Mon, May 25
British Airways Logo
2:08 pm - 3:30 pm
ONT
-
BHD
17h 22m
2 stops
British Airways Logo
9:40 am - 7:56 pm
BHD
-
ONT
18h 16m
2 stops
$1,174British Airways
Tue, May 12 - Tue, May 26
British Airways Logo
2:08 pm - 6:55 pm
ONT
-
BHD
20h 47m
2 stops
British Airways Logo
9:40 am - 7:56 pm
BHD
-
ONT
18h 16m
2 stops
$1,207British Airways
Booking Insights

KAYAK's insights & trends for Ontario to Belfast flights

Get data-powered insights and trends into flights from Ontario to Belfast to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Ontario to Belfast?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Ontario to Belfast were found on American Airlines ($895) and British Airways ($935).

Find deals

When to book flights from Ontario to Belfast

Are your dates flexible? Find out the best times to travel from Ontario to Belfast based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Ontario to Belfast

  • What is the cheapest flight from Ontario to Belfast?

    In the last 3 days, the lowest price for a flight from Ontario to Belfast was $790 for a one-way ticket and $895 for a round-trip.

  • Do I need a passport to fly between Ontario and Belfast?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Ontario and on arrival in Belfast.

  • Which aircraft models fly most regularly from Ontario to Belfast?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Ontario to Belfast?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Belfast.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Belfast?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Belfast?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Belfast with an airline and back to Ontario with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Belfast?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belfast from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Ontario to Belfast

Information on your arrival and departure airports

Ontario (ONT)