BFS - ONT

£947 Find Cheap Flights from Belfast Intl Airport to Ontario – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Belfast Intl to Ontario (BFS-ONT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Belfast Intl to Ontario

Tue, 8 Dec - Tue, 15 Dec
Multiple Airlines Logo
14:15 - 23:23BFS  Belfast Intl-ONT Ontario
41h 08m3 stops London Gatwick Zurich San Francisco
Multiple Airlines Logo
06:00 - 14:30ONT  Ontario-BFS Belfast Intl
24h 30m3 stops Denver Intl Reykjavik Keflavik Intl London Gatwick
£947Multiple Airlines
Sat, 21 Nov - Sat, 28 Nov
Multiple Airlines Logo
23:00 - 00:24BFS  Belfast Intl-ONT Ontario
33h 24m3 stops Manchester Dublin San Francisco
Multiple Airlines Logo
06:00 - 21:35ONT  Ontario-BFS Belfast Intl
31h 35m3 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl Manchester
£1,312Multiple Airlines
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Key details for Belfast Intl Airport to Ontario flights

Cheapest flight

£947
Round-trip flight from Belfast Intl Airport to Ontario

When to book flights from Belfast Intl to Ontario

Are your dates flexible? Find out the best times to travel from Belfast Intl to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Belfast Intl Airport to Ontario flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Do I need a passport to fly from Belfast Intl Airport to Ontario?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Belfast Intl Airport to Ontario changed much recently?

    Yes. Based on fares seen in the past 5 days, return prices on this route varied from about £947 to £1,312. That means the highest observed fare was about 38% higher than the lowest one.

  • Which car hire options are available at Ontario Airport (ONT)?

    Ontario Airport (ONT) hosts 5 major car hire companies, with daily rates starting from around £14 for economy cars. Top options include:

    • Fox
    • Thrifty
    • Europcar
    • Dollar
    • Alamo

  • Which airports can I use when flying from Belfast Intl Airport to Ontario?

    Flights from Belfast Intl Airport to Ontario usually depart from Belfast Intl (BFS) and arrive at Ontario (ONT).

  • What is the time difference between Belfast Intl Airport and Ontario?

    Ontario is 7 hours behind Belfast Intl Airport (Pacific Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Ontario?

    Ontario Convention Center is one of the most viewed places in Ontario on KAYAK.

Your guide to booking Belfast Intl Airport to Ontario flights

Get tips on when to book, when to fly, and what to know before your trip.

More options for your flight from Belfast Intl to Ontario

Complete your trip to Ontario with a hotel stay or car hire

Car hire in Ontario
Hotels in Ontario
Holidays in Ontario