Find Cheap Flights from Belfast to Sydney – Compare and Save

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Everything you should know

Top routes
BFS - SYD
Cheapest • 16% average savings
BHD - SYD
Most popular
Insights
Insights
When to travel
October
Cheapest • 15% price drop
January
Most popular
Good to know
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Cheap Flights from Belfast to Sydney

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

Recent return flight deals from Belfast to Sydney

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

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

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

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

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Belfast to Sydney. It’s 11% cheaper than the average day, while Thursday is the most expensive, with prices 24% higher.

What is the cheapest month to fly from Belfast to Sydney?

•October is the cheapest month to fly from Belfast to Sydney at $1,970 return.
•December ($3,220) and August ($2,888) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 63% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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Key details for Belfast to Sydney flights

Low season

August
Beat the crowds with an average 46% drop in traveller numbers.
The most popular month to fly with an average 43% increase in traveller numbers.

When to book flights from Belfast to Sydney

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

Your Belfast to Sydney flight questions, answered

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

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

    Only Economy class is available on flights from Belfast to Sydney.

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

    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 Belfast to Sydney flight?

    Return flights from Belfast to Sydney range from $1,986 to $2,849, with an average of $2,317 over the past 12 months. Anything below $1,986 counts as a good deal.

  • Which car hire options are available at Sydney Kingsford Smith Airport (SYD)?

    Sydney Kingsford Smith Airport (SYD) hosts 5 major car hire companies, with daily rates starting from around $15 for economy cars. Top options include:

    • East Coast Car Rentals
    • Bargain Car Rentals
    • YESDRIVE CAR RENTAL
    • No Birds
    • EverythingFleet

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

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

  • Which airports do connecting flights from Belfast to Sydney pass through?

    Most connecting flights from Belfast to Sydney pass through London Heathrow (LHR), which handles 100% of one-stop traffic on this route.

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

    Yes. Flexible dates can save you up to 29% on flights from Belfast to Sydney. Monday is the cheapest departure day at $2,071 return on average, while Thursday is the most expensive at $2,888, a difference of $817.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Belfast and Sydney?

    Sydney is 10 hours ahead of Belfast (Eastern Australia Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Sydney?

    Some of the most popular sights in Sydney are Sydney Opera House, Star Casino, and Capitol Theatre. These are among the most viewed places in Sydney on KAYAK.

Your guide to booking Belfast to Sydney 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 Monday departure and avoid flying on Thursday. On this route, Monday flights average $2,071, about $817 less than Thursday fares (28% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Belfast to Sydney trip for October. Fares historically average $1,970 return in that month – typically $1,250 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 Sydney Kingsford Smith Airport.

    • ibis budget Sydney Airport
    • Rydges Sydney Airport Hotel
    • Travelodge Hotel Sydney Airport

More options for your flight from Belfast to Sydney

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

Car hire in Sydney
Hotels in Sydney
Holidays in Sydney