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

Search flight deals from Ontario to Northern Ireland . While viewing offers you’ll have the option to create a Price Alert.

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

By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Northern Ireland.

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

The necessary travel and health documents for your Northern Ireland trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£745 Cheap Flights from Ontario to Northern Ireland in 2026

Find the cheapest flights from Ontario to Northern Ireland

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Cheap return flights

Enter your travel dates to find the best prices.

12:37 - 15:20ONT Ontario-BHD Belfast City

18h 43m2 stops Dallas/Fort Worth London Heathrow

09:40 - 20:09BHD Belfast City-ONT Ontario

18h 29m2 stops London Heathrow Dallas/Fort Worth

£745British Airways

Tue, 22 Sep - Tue, 29 Sep

16:29 - 18:10ONT Ontario-BHD Belfast City

17h 41m2 stops Phoenix Sky Harbor Intl London Heathrow

12:00 - 22:59BHD Belfast City-ONT Ontario

18h 59m2 stops London Heathrow Charlotte Douglas

£775British Airways

Fri, 9 Oct - Fri, 16 Oct

10:25 - 12:55ONT Ontario-BHD Belfast City

18h 30m2 stops Dallas/Fort Worth London Heathrow

12:40 - 23:52BHD Belfast City-ONT Ontario

19h 12m2 stops London Heathrow Dallas/Fort Worth

£811British Airways

Mon, 5 Oct - Tue, 13 Oct

15:09 - 16:50ONT Ontario-BHD Belfast City

17h 41m2 stops Dallas/Fort Worth London Heathrow

07:40 - 22:49BHD Belfast City-ONT Ontario

23h 09m2 stops London Heathrow Dallas/Fort Worth

£836British Airways

Sun, 10 Jan - Thu, 14 Jan

15:09 - 16:50ONT Ontario-BHD Belfast City

17h 41m2 stops Dallas/Fort Worth London Heathrow

07:40 - 22:49BHD Belfast City-ONT Ontario

23h 09m2 stops London Heathrow Dallas/Fort Worth

£837British Airways

Sun, 10 Jan - Thu, 14 Jan

12:55 - 16:05ONT Ontario-BHD Belfast City

19h 10m2 stops Phoenix Sky Harbor Intl London Heathrow

19:25 - 22:01BHD Belfast City-ONT Ontario

34h 36m2 stops London Heathrow Phoenix Sky Harbor Intl

£854British Airways

Mon, 28 Dec - Tue, 5 Jan

12:55 - 16:05ONT Ontario-BHD Belfast City

19h 10m2 stops Phoenix Sky Harbor Intl London Heathrow

19:25 - 22:01BHD Belfast City-ONT Ontario

34h 36m2 stops London Heathrow Phoenix Sky Harbor Intl

£855British Airways

Mon, 28 Dec - Tue, 5 Jan

06:00 - 10:15ONT Ontario-BHD Belfast City

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

15:05 - 18:52BHD Belfast City-ONT Ontario

35h 47m2 stops London Heathrow Dallas/Fort Worth

£967British Airways

Mon, 28 Dec - Tue, 5 Jan

13:25 - 16:05ONT Ontario-BHD Belfast City

18h 40m2 stops Phoenix Sky Harbor Intl London Heathrow

07:00 - 18:45BHD Belfast City-ONT Ontario

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

£1,021Multiple Airlines

Mon, 28 Dec - Tue, 5 Jan

14:42 - 16:05ONT Ontario-BHD Belfast City

17h 23m2 stops Dallas/Fort Worth London Heathrow

09:50 - 22:39BHD Belfast City-ONT Ontario

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

£1,057Multiple Airlines

Mon, 28 Dec - Tue, 5 Jan

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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

22 Sept

ONT12:37Ontario

18h 43m

2 stops

BHD15:20Belfast City

29 Sept

BHD09:40Belfast City

18h 29m

2 stops

ONT20:09Ontario

£745

British Airways

9 Oct

ONT16:29Ontario

17h 41m

2 stops

BHD18:10Belfast City

16 Oct

BHD12:00Belfast City

18h 59m

2 stops

ONT22:59Ontario

£775

British Airways

5 Oct

ONT10:25Ontario

18h 30m

2 stops

BHD12:55Belfast City

13 Oct

BHD12:40Belfast City

19h 12m

2 stops

ONT23:52Ontario

£811

KLM flights from Ontario to Northern Ireland

Our best KLM deals on Ontario to Northern Ireland flight tickets

KLM

24 Aug

ONT07:05Ontario

18h 15m

2 stops

BHD09:20Belfast City

9 Sept

BHD09:50Belfast City

18h 34m

2 stops

ONT20:24Ontario

£1,212

KLM

23 Aug

ONT17:05Ontario

15h 50m

2 stops

BHD16:55Belfast City

27 Aug

BHD09:50Belfast City

20h 02m

2 stops

ONT21:52Ontario

£1,346

KLM

26 Aug

ONT17:05Ontario

15h 50m

2 stops

BHD16:55Belfast City

9 Sept

BHD09:50Belfast City

18h 34m

2 stops

ONT20:24Ontario

£1,376

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Tue 22/9

12:37-15:20

2 stops18h 43m

Belfast City

Tue 29/9

09:40-20:09

2 stops18h 29m

£745

Fastest return journey

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Fri 9/10

16:29-18:10

2 stops17h 41m

Belfast City

Fri 16/10

12:00-22:59

2 stops18h 59m

£775

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Mon 5/10

10:25-12:55

2 stops18h 30m

Belfast City

Tue 13/10

12:40-23:52

2 stops19h 12m

£811

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Sun 10/1

15:09-16:50

2 stops17h 41m

Belfast City

Thu 14/1

07:40-22:49

2 stops23h 09m

£836

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Sun 10/1

15:09-16:50

2 stops17h 41m

Belfast City

Thu 14/1

07:40-22:49

2 stops23h 09m

£837

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Mon 28/12

12:55-16:05

2 stops19h 10m

Belfast City

Tue 5/1

19:25-22:01

2 stops34h 36m

£854

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Mon 28/12

12:55-16:05

2 stops19h 10m

Belfast City

Tue 5/1

19:25-22:01

2 stops34h 36m

£855

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Mon 28/12

06:00-10:15

3 stops68h 15m

Belfast City

Tue 5/1

15:05-18:52

2 stops35h 47m

£967

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Mon 28/12

13:25-16:05

2 stops18h 40m

Belfast City

Tue 5/1

07:00-18:45

3 stops19h 45m

£1,021

OntarioBelfast

ONT Ontario - BHD Belfast City

ONTBHD

Ontario

Mon 28/12

14:42-16:05

2 stops17h 23m

Belfast City

Tue 5/1

09:50-22:39

3 stops20h 49m

£1,057

Flights are sorted by cheapest return 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The necessary travel and health documents for your Northern Ireland trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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?
Search flight deals from Ontario to Northern Ireland. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Ontario to Northern Ireland with momondo?
By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
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?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Northern Ireland for you.

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

Yes. momondo enables you to select and highlight flights to Northern Ireland from Ontario with this policy.

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

Once all potential Ontario to Northern Ireland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Ontario to Northern Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.