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Cheap flights from Belfast Intl Airport to Ontario from £1,095

BFS — ONT
10 Dec — 17 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast Intl to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Belfast Intl to Ontario

Thu 26/1106:30 -
3 stops31h 50m
Mon 30/1106:45 -
3 stops21h 50m
Deal found 10/11£1,095

Find flight deals from Belfast Intl to Ontario

Round-trip from

£1,095

Popular in

June

Cheapest in

January

Average price

£645
26/11-30/11
  • 26/11-30/11
  • 6 total stops
  • 53h 40m total
  • Belfast to Ontario
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Highest demand for flights based on searches. 8% potential increase in price (£46 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
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Average for round-trip flights in November 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Belfast Intl Airport to Ontario that are best for you.

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BelfastOntario

BFS Belfast Intl - ONT Ontario

BFSONT

Belfast Intl

Thu 26/11

06:30-06:20

3 stops31h 50m

Ontario

Mon 30/11

06:45-12:35

3 stops21h 50m

£1,095

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Sorted by cheapest first

Best time to book a flight from Belfast Intl to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Belfast Intl with our price prediction graph.
Estimated return price

Related info for your journey

  • What airport do you fly into for flights to Ontario from Belfast Intl?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Belfast Intl. On average, Ontario has 0 inbound flights from Belfast Intl per day from 0 airlines. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • Can I find deals for flights from Belfast Intl to Ontario that include hotel bookings?

    Yes. In addition to deals on Belfast Intl to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast Intl to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast Intl to Ontario.

  • Can I find deals for business class flights from Belfast Intl to Ontario?

    Yes. Cheapflights offers flight deals from Belfast Intl to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheapflights helps you search for flights from Belfast Intl to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Belfast Intl to Ontario?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from Belfast Intl.

Can Cheapflights find flights from Belfast Intl to Ontario with no change fees?

Certainly. Search results for flights to Ontario from Belfast Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Belfast Intl to Ontario become cheaper?

Yes, Cheapflights offers price alerts on Belfast Intl to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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