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Cheap flights from Belfast to Los Angeles from $597

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast to Los Angeles departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Find the cheapest flights from Belfast to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
2:35 pm - 6:47 pm
BHD
-
ONT
36h 12m
2 stops
British Airways Logo
12:33 pm - 5:30 pm
ONT
-
BHD
20h 57m
2 stops
$1,461British Airways
Thu, Aug 20 - Mon, Aug 31

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Customize your flight search to find flights from Belfast to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 22, 2026.
Use the filters below to find and compare flights from Belfast to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Thu 8/20

2:35 pm-6:47 pm

2 stops36h 12m

Ontario

Mon 8/31

12:33 pm-5:30 pm

2 stops20h 57m

$1,461
Cheapest one-way

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Tue 9/1

7:30 pm-9:11 pm

2 stops33h 41m

$597
Quickest one-way

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Thu 9/17

6:30 am-9:08 pm

2 stops22h 38m

$673

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Thu 7/16

6:30 am-11:59 pm

2 stops25h 29m

$1,188

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Belfast 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 Belfast to Ontario?

British Airways is the most popular carrier operating from Belfast to Ontario

Cheap Belfast to Ontario flight deals and tips

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

Fastest flight time

36h 12m

Direct flights

None
The fastest flight from Belfast to Ontario takes 36h 12m
There are no direct flights from Belfast to Ontario. There are no popular flight routes from Belfast to Ontario.
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Frequently asked questions about flying from Belfast to Ontario

  • How far is Belfast to Ontario by plane?

    A flight from Belfast to Ontario will travel around 5095.8 mi. By plane, this route typically takes 36h 12m.

  • When did momondo last update prices for flights from Belfast to Ontario Airport?

    Prices for flights from Belfast to Ontario Airport are updated daily.

  • How old do you have to be to fly from Belfast to Ontario Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to Ontario Airport.

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

    The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

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

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

Flights from Belfast to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Belfast to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Belfast.

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

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

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