Find Cheap Flights from Sydney to Belfast – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Top routes
SYD - BFS
Cheapest • 7% average savings
SYD - BHD
Most popular
Insights
Insights
When to travel
May
Cheapest • 16% price drop
January
Most popular
Good to know
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Good to know
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Cheap Flights from Sydney to Belfast (SYD-BHD)

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

Recent return flight deals from Sydney to Belfast

Multiple Airlines Logo
SYD  Sydney Airport-BF1 Bere Ferrers
27517 kmmulti-stop
Multiple Airlines Logo
BF1  Bere Ferrers-SYD Sydney Airport
27517 kmmulti-stop
Multiple Airlines
Booking Insights

Price, demand, and travel trends for Sydney to Belfast flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Sydney to Belfast with more confidence.

What's the cheapest day of the week to fly from Sydney to Belfast?

Friday is the cheapest day of the week to fly from Sydney to Belfast and is 16% cheaper than the average day. Sunday is the most expensive day with flight prices 19% higher than average. Based on deals found by KAYAK users in the last 12 months.

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Key details for Sydney to Belfast flights

Low season

September
Best time to beat the crowds but there is an average 6% increase in price.
Most popular time to fly and prices are also 13% lower on average.

When to book flights from Sydney to Belfast

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

Your Sydney to Belfast flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which cabin classes can I book on flights from Sydney to Belfast?

    Two cabin classes are available on flights from Sydney to Belfast:

    • Economy class
    • Premium Economy Class

  • Do I need a passport to fly from Sydney to Belfast?

    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.

  • How much should I expect to pay for a Sydney to Belfast flight?

    Return flights from Sydney to Belfast range from $1,878 to $2,485, with an average of $2,140 over the past 12 months. Anything below $1,878 counts as a good deal.

  • What car hire options are available in Belfast?

    Since Belfast is served by multiple airports, car hire options and rates can vary depending on which one you fly into.
    Near Belfast City Airport (BHD) – daily rates from around $18:

    • Budget
    • Sixt
    • Enterprise Rent-A-Car
    • Hertz
    • Avis

    Near Belfast Intl Airport (BFS) – daily rates from around $15:

    • Budget
    • DRIVALIA
    • Sixt
    • Alamo
    • Hertz

  • Which airports can I use when flying from Sydney to Belfast?

    Flights from Sydney to Belfast usually depart from Sydney Kingsford Smith (SYD) and may arrive at several airports in Belfast area, including Belfast Intl (BFS) and Belfast City (BHD).

  • Can I save money by using flexible dates for flights from Sydney to Belfast?

    Yes. Being flexible with your travel dates can save you up to 30% on the Sydney to Belfast route. Friday is the cheapest departure day at $1,813 return on average, while Sunday is the most expensive at $2,554, a difference of $741. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Sydney and Belfast?

    Belfast is 9 hours behind Sydney (British Time vs Eastern Australia Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Belfast?

    Waterfront Hall is one of the most viewed places in Belfast on KAYAK.

Your guide to booking Sydney to Belfast flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Friday departure instead of Sunday. On this route, Friday flights average $1,813 – about $741 less than Sunday (29% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Sydney to Belfast trip for May. Fares historically average $1,794 return in that month – typically $1,050 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Belfast City Airport.
    - Park Avenue
    - Premier Inn Belfast Titanic Quarter

More options for your flight from Sydney to Belfast

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

Car hire in Belfast
Hotels in Belfast
Holidays in Belfast