How do I get Price Alerts for flights from Ontario to Northern Ireland?

Price Alerts will notify you by email when the price for flights to Northern Ireland from Ontario decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Ontario to Northern Ireland with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

When did momondo last update prices for flights from Ontario Airport to Northern Ireland?

Prices for flights from Ontario Airport to Northern Ireland are updated daily.

How old do you have to be to fly from Ontario Airport to Northern Ireland?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Northern Ireland.

What documentation or ID do you need to fly to Northern Ireland?

The travel and health documents you'll need for your trip to Northern Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Northern Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$1,006 Cheap Flights from Ontario to Northern Ireland in 2026

Find the cheapest flights from Ontario to Northern Ireland

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:37 pm - 3:20 pmONT Ontario-BHD Belfast City

18h 43m2 stops Dallas/Fort Worth London Heathrow

9:40 am - 8:09 pmBHD Belfast City-ONT Ontario

18h 29m2 stops London Heathrow Dallas/Fort Worth

$1,006British Airways

Tue, Sep 22 - Tue, Sep 29

4:29 pm - 6:10 pmONT Ontario-BHD Belfast City

17h 41m2 stops Phoenix Sky Harbor Intl London Heathrow

12:00 pm - 10:59 pmBHD Belfast City-ONT Ontario

18h 59m2 stops London Heathrow Charlotte Douglas

$1,047British Airways

Fri, Oct 9 - Fri, Oct 16

10:25 am - 12:55 pmONT Ontario-BHD Belfast City

18h 30m2 stops Dallas/Fort Worth London Heathrow

12:40 pm - 11:52 pmBHD Belfast City-ONT Ontario

19h 12m2 stops London Heathrow Dallas/Fort Worth

$1,095British Airways

Mon, Oct 5 - Tue, Oct 13

3:09 pm - 4:50 pmONT Ontario-BHD Belfast City

17h 41m2 stops Dallas/Fort Worth London Heathrow

7:40 am - 10:49 pmBHD Belfast City-ONT Ontario

23h 09m2 stops London Heathrow Dallas/Fort Worth

$1,129British Airways

Sun, Jan 10 - Thu, Jan 14

3:09 pm - 4:50 pmONT Ontario-BHD Belfast City

17h 41m2 stops Dallas/Fort Worth London Heathrow

7:40 am - 10:49 pmBHD Belfast City-ONT Ontario

23h 09m2 stops London Heathrow Dallas/Fort Worth

$1,130British Airways

Sun, Jan 10 - Thu, Jan 14

12:55 pm - 4:05 pmONT Ontario-BHD Belfast City

19h 10m2 stops Phoenix Sky Harbor Intl London Heathrow

7:25 pm - 10:01 pmBHD Belfast City-ONT Ontario

34h 36m2 stops London Heathrow Phoenix Sky Harbor Intl

$1,154British Airways

Mon, Dec 28 - Tue, Jan 5

1:25 pm - 4:05 pmONT Ontario-BHD Belfast City

18h 40m2 stops Phoenix Sky Harbor Intl London Heathrow

6:15 pm - 10:45 pmBHD Belfast City-ONT Ontario

36h 30m2 stops London Heathrow Dallas/Fort Worth

$1,155British Airways

Mon, Dec 28 - Tue, Jan 5

6:00 am - 10:15 amONT Ontario-BHD Belfast City

68h 15m3 stops Phoenix Sky Harbor Intl New York John F Kennedy Intl London Heathrow

3:05 pm - 6:52 pmBHD Belfast City-ONT Ontario

35h 47m2 stops London Heathrow Dallas/Fort Worth

$1,306British Airways

Mon, Dec 28 - Tue, Jan 5

1:25 pm - 4:05 pmONT Ontario-BHD Belfast City

18h 40m2 stops Phoenix Sky Harbor Intl London Heathrow

7:00 am - 6:45 pmBHD Belfast City-ONT Ontario

19h 45m3 stops Edinburgh Turnhouse London Heathrow Phoenix Sky Harbor Intl

$1,379Multiple Airlines

Mon, Dec 28 - Tue, Jan 5

2:42 pm - 4:05 pmONT Ontario-BHD Belfast City

17h 23m2 stops Dallas/Fort Worth London Heathrow

9:50 am - 10:39 pmBHD Belfast City-ONT Ontario

20h 49m3 stops Glasgow Intl London Heathrow Seattle/Tacoma Intl

$1,427Multiple Airlines

Mon, Dec 28 - Tue, Jan 5

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British Airways flights from Ontario to Northern Ireland

Our best British Airways deals on Ontario to Northern Ireland flight tickets

British Airways

Sep 22

ONT12:37 pmOntario

18h 43m

2 stops

BHD3:20 pmBelfast City

Sep 29

BHD9:40 amBelfast City

18h 29m

2 stops

ONT8:09 pmOntario

$1,006

British Airways

Oct 9

ONT4:29 pmOntario

17h 41m

2 stops

BHD6:10 pmBelfast City

Oct 16

BHD12:00 pmBelfast City

18h 59m

2 stops

ONT10:59 pmOntario

$1,047

British Airways

Oct 5

ONT10:25 amOntario

18h 30m

2 stops

BHD12:55 pmBelfast City

Oct 13

BHD12:40 pmBelfast City

19h 12m

2 stops

ONT11:52 pmOntario

$1,095

KLM flights from Ontario to Northern Ireland

Our best KLM deals on Ontario to Northern Ireland flight tickets

KLM

Aug 24

ONT7:05 amOntario

18h 15m

2 stops

BHD9:20 amBelfast City

Sep 9

BHD9:50 amBelfast City

18h 34m

2 stops

ONT8:24 pmOntario

$1,637

KLM

Aug 23

ONT5:05 pmOntario

15h 50m

2 stops

BHD4:55 pmBelfast City

Aug 27

BHD9:50 amBelfast City

20h 02m

2 stops

ONT9:52 pmOntario

$1,818

KLM

Aug 26

ONT5:05 pmOntario

15h 50m

2 stops

BHD4:55 pmBelfast City

Sep 9

BHD9:50 amBelfast City

18h 34m

2 stops

ONT8:24 pmOntario

$1,858

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Tue 9/22

12:37 pm-3:20 pm

2 stops18h 43m

Belfast City

Tue 9/29

9:40 am-8:09 pm

2 stops18h 29m

$1,006

Quickest round-trip

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Fri 10/9

4:29 pm-6:10 pm

2 stops17h 41m

Belfast City

Fri 10/16

12:00 pm-10:59 pm

2 stops18h 59m

$1,047

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Mon 10/5

10:25 am-12:55 pm

2 stops18h 30m

Belfast City

Tue 10/13

12:40 pm-11:52 pm

2 stops19h 12m

$1,095

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Sun 1/10

3:09 pm-4:50 pm

2 stops17h 41m

Belfast City

Thu 1/14

7:40 am-10:49 pm

2 stops23h 09m

$1,129

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Sun 1/10

3:09 pm-4:50 pm

2 stops17h 41m

Belfast City

Thu 1/14

7:40 am-10:49 pm

2 stops23h 09m

$1,130

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Mon 12/28

12:55 pm-4:05 pm

2 stops19h 10m

Belfast City

Tue 1/5

7:25 pm-10:01 pm

2 stops34h 36m

$1,154

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Mon 12/28

1:25 pm-4:05 pm

2 stops18h 40m

Belfast City

Tue 1/5

6:15 pm-10:45 pm

2 stops36h 30m

$1,155

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Mon 12/28

6:00 am-10:15 am

3 stops68h 15m

Belfast City

Tue 1/5

3:05 pm-6:52 pm

2 stops35h 47m

$1,306

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Mon 12/28

1:25 pm-4:05 pm

2 stops18h 40m

Belfast City

Tue 1/5

7:00 am-6:45 pm

3 stops19h 45m

$1,379

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Mon 12/28

2:42 pm-4:05 pm

2 stops17h 23m

Belfast City

Tue 1/5

9:50 am-10:39 pm

3 stops20h 49m

$1,427

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Ontario to Northern Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Northern Ireland

Fastest flight time	17h 41m
Direct flights	None

The fastest flight from Ontario to Northern Ireland takes 17h 41m

There are no direct flights from Ontario to Northern Ireland. There are no popular flight routes from Ontario to Northern Ireland.

Search flight deals

Frequently asked questions about flying from Ontario to Northern Ireland

When did momondo last update prices for flights from Ontario Airport to Northern Ireland?
Prices for flights from Ontario Airport to Northern Ireland are updated daily.
How old do you have to be to fly from Ontario Airport to Northern Ireland?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The travel and health documents you'll need for your trip to Northern Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Northern Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Ontario to Northern Ireland

How do I get Price Alerts for flights from Ontario to Northern Ireland?
Price Alerts will notify you by email when the price for flights to Northern Ireland from Ontario decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Ontario to Northern Ireland with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Northern Ireland?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Northern Ireland from Ontario.

Can I find flights from Ontario to Northern Ireland with flexible booking policies on momondo?

All flight searches from Ontario to Northern Ireland on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Northern Ireland?

momondo provides multiple filters to help you find the best flight to Northern Ireland from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to Northern Ireland right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Northern Ireland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.