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

Prices for flights from Northern Ireland to Ontario Airport refresh daily.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Northern Ireland to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The necessary travel and health documents for your Ontario Airport 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.

£406 Cheap Flights from Northern Ireland to Ontario in 2026

Find the cheapest flights from Northern Ireland to Los Angeles

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One-way

Cheap return flights

Enter your travel dates to find the best prices.

06:35 - 23:17BHD Belfast City-ONT Ontario

24h 42m2 stops London Heathrow Dallas/Fort Worth

14:17 - 18:50ONT Ontario-BHD Belfast City

20h 33m2 stops Dallas/Fort Worth London Heathrow

£581British Airways

Wed, 27 Jan - Sun, 31 Jan

06:35 - 23:17BHD Belfast City-ONT Ontario

24h 42m2 stops London Heathrow Dallas/Fort Worth

14:17 - 18:50ONT Ontario-BHD Belfast City

20h 33m2 stops Dallas/Fort Worth London Heathrow

£581British Airways

Wed, 27 Jan - Sun, 31 Jan

06:35 - 23:17BHD Belfast City-ONT Ontario

24h 42m2 stops London Heathrow Dallas/Fort Worth

14:17 - 18:50ONT Ontario-BHD Belfast City

20h 33m2 stops Dallas/Fort Worth London Heathrow

£582British Airways

Wed, 27 Jan - Sun, 31 Jan

08:40 - 23:17BHD Belfast City-ONT Ontario

22h 37m2 stops London Heathrow Dallas/Fort Worth

10:40 - 16:50ONT Ontario-BHD Belfast City

22h 10m2 stops Dallas/Fort Worth London Heathrow

£582British Airways

Wed, 27 Jan - Sun, 31 Jan

11:05 - 21:53BHD Belfast City-ONT Ontario

18h 48m2 stops London Heathrow Phoenix Sky Harbor Intl

14:22 - 16:50ONT Ontario-BHD Belfast City

18h 28m2 stops Dallas/Fort Worth London Heathrow

£606British Airways

Thu, 12 Nov - Sun, 15 Nov

11:40 - 21:59BHD Belfast City-ONT Ontario

18h 19m2 stops London Heathrow Phoenix Sky Harbor Intl

12:44 - 18:50ONT Ontario-BHD Belfast City

22h 06m2 stops Dallas/Fort Worth London Heathrow

£629British Airways

Wed, 27 Jan - Sun, 31 Jan

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British Airways flights from Northern Ireland to Ontario

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

British Airways

27 Jan

BHD06:35Belfast City

24h 42m

2 stops

ONT23:17Ontario

31 Jan

ONT14:17Ontario

20h 33m

2 stops

BHD18:50Belfast City

£581

British Airways

27 Jan

BHD06:35Belfast City

24h 42m

2 stops

ONT23:17Ontario

31 Jan

ONT14:17Ontario

20h 33m

2 stops

BHD18:50Belfast City

£581

British Airways

27 Jan

BHD08:40Belfast City

22h 37m

2 stops

ONT23:17Ontario

31 Jan

ONT10:40Ontario

22h 10m

2 stops

BHD16:50Belfast City

£582

momondo Fare Finder

Use the filters below to find and compare flights from Northern Ireland to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastOntario

BHD Belfast City - ONT Ontario

BHDONT

Belfast City

Wed 27/1

06:35-23:17

2 stops24h 42m

Ontario

Sun 31/1

14:17-18:50

2 stops20h 33m

£581

BelfastOntario

BHD Belfast City - ONT Ontario

BHDONT

Belfast City

Wed 27/1

06:35-23:17

2 stops24h 42m

Ontario

Sun 31/1

14:17-18:50

2 stops20h 33m

£581

BelfastOntario

BHD Belfast City - ONT Ontario

BHDONT

Belfast City

Wed 27/1

06:35-23:17

2 stops24h 42m

Ontario

Sun 31/1

14:17-18:50

2 stops20h 33m

£582

BelfastOntario

BHD Belfast City - ONT Ontario

BHDONT

Belfast City

Wed 27/1

08:40-23:17

2 stops22h 37m

Ontario

Sun 31/1

10:40-16:50

2 stops22h 10m

£582

Fastest return journey

BelfastOntario

BHD Belfast City - ONT Ontario

BHDONT

Belfast City

Thu 12/11

11:05-21:53

2 stops18h 48m

Ontario

Sun 15/11

14:22-16:50

2 stops18h 28m

£606

BelfastOntario

BHD Belfast City - ONT Ontario

BHDONT

Belfast City

Wed 27/1

11:40-21:59

2 stops18h 19m

Ontario

Sun 31/1

12:44-18:50

2 stops22h 06m

£629

Cheapest one-way

Fastest single journey

BelfastOntario

BHD Belfast City - ONT Ontario

BHDONT

Belfast City

Sat 21/11

11:45-23:59

2 stops20h 14m

£406

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Northern Ireland to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Northern Ireland to Ontario?

British Airways is the most popular carrier operating from Northern Ireland to Ontario

Cheap Northern Ireland to Ontario flight deals and tips

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

Best price found	£406
Fastest flight time	18h 48m
Direct flights	None

The best one-way flight to Ontario from Northern Ireland in the past 72 hours is £406. The best return flight deal from Northern Ireland to Ontario found on momondo in the last 72 hours is £581.

The fastest flight from Northern Ireland to Ontario takes 18h 48m

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

Search flight deals

Frequently asked questions about flying from Northern Ireland to Ontario

When did momondo last update prices for flights from Northern Ireland to Ontario Airport?
Prices for flights from Northern Ireland to Ontario Airport refresh daily.
How old do you have to be to fly from Northern Ireland to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Northern Ireland to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport 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.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Northern Ireland to Ontario . Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Ontario from Northern Ireland which offer a flexible booking policy as well as other useful filters and features.

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

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

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

Price alerts on flights to Ontario from Northern Ireland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.