$322 Find Cheap Flights from Ontario to Northern Ireland

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 Northern Ireland departing on 9/9. 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 Northern Ireland

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Northern Ireland, 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 Northern Ireland, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Booking Insights
Flight Deals

Book Cheap Ontario to Northern Ireland Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Northern Ireland 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 Northern Ireland

Mon, Aug 17 - Fri, Sep 4
Delta Logo
9:55 am - 4:55 pm
ONT
-
BHD
23h 00m
2 stops
Delta Logo
9:50 am - 11:44 pm
BHD
-
ONT
21h 54m
2 stops
$948Delta
Sun, Aug 16 - Thu, Aug 20
British Airways Logo
12:33 pm - 5:40 pm
ONT
-
BHD
21h 07m
2 stops
British Airways Logo
7:30 pm - 9:12 pm
BHD
-
ONT
33h 42m
2 stops
$1,101British Airways
Sun, Aug 16 - Thu, Aug 20
British Airways Logo
12:33 pm - 5:40 pm
ONT
-
BHD
21h 07m
2 stops
British Airways Logo
9:35 am - 10:58 pm
BHD
-
ONT
21h 23m
2 stops
$1,102British Airways
Tue, Aug 18 - Tue, Sep 1
British Airways Logo
12:33 pm - 3:20 pm
ONT
-
BHD
18h 47m
2 stops
British Airways Logo
2:35 pm - 6:15 pm
BHD
-
ONT
35h 40m
2 stops
$1,110British Airways
Tue, May 12 - Tue, May 26
British Airways Logo
4:52 pm - 7:40 pm
ONT
-
BHD
18h 48m
2 stops
British Airways Logo
9:40 am - 7:56 pm
BHD
-
ONT
18h 16m
2 stops
$1,359British Airways
Tue, May 12 - Tue, May 26
British Airways Logo
2:08 pm - 5:35 pm
ONT
-
BHD
19h 27m
2 stops
British Airways Logo
9:40 am - 7:56 pm
BHD
-
ONT
18h 16m
2 stops
$1,360British Airways
Tue, Aug 25 - Tue, Sep 8
British Airways Logo
12:33 pm - 3:20 pm
ONT
-
BHD
18h 47m
2 stops
British Airways Logo
9:40 am - 9:12 pm
BHD
-
ONT
19h 32m
2 stops
$1,395British Airways
Sun, Jun 7 - Sun, Jun 21
British Airways Logo
5:45 am - 5:40 pm
ONT
-
BHD
27h 55m
2 stops
British Airways Logo
8:10 pm - 7:56 pm
BHD
-
ONT
31h 46m
2 stops
$1,558British Airways
Thu, Jul 23 - Sun, Aug 9
British Airways Logo
1:10 pm - 7:25 pm
ONT
-
BHD
22h 15m
2 stops
British Airways Logo
6:30 am - 10:04 pm
BHD
-
ONT
23h 34m
2 stops
$1,671British Airways
Wed, Sep 2 - Sat, Sep 19
British Airways Logo
2:27 pm - 3:40 pm
ONT
-
BHD
17h 13m
2 stops
British Airways Logo
7:05 am - 5:48 pm
BHD
-
ONT
18h 43m
2 stops
$1,819British Airways
Booking Insights

KAYAK's insights & trends for Ontario to Northern Ireland flights

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

Which airlines provide the cheapest flights from Ontario to Northern Ireland?

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 Northern Ireland were found on Delta ($948) and British Airways ($1,101).

Find deals

FAQs - booking Northern Ireland flights

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

    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 Northern Ireland.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Ontario to Northern Ireland 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 Northern Ireland?

    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 from Ontario to Northern Ireland with an airline and back with another airline.

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

    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 from Ontario to Northern Ireland 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 Northern Ireland

Information on your arrival and departure airports

Ontario (ONT)