SYD

£461 Find Cheap Flights from Belfast to Sydney – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 34% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest return flight
£922
Typical prices: £1,029-£1,494
Multiple Airlines
Tue 1/5Tue 15/5
BHD - SYD • 2 stops
Cheapest one-way flight
£461
Typical prices: £573-£1,007
Multiple Airlines
Thu 20/12
BHD - SYD • 3 stops
Top routes
BFS - SYD
Cheapest • 18% average savings
BHD - SYD
Most popular
Insights
Insights
When to travel
February
Cheapest • 17% price drop
May
Most popular
Good to know
+1
Good to know
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Sydney!
Flight Deals
Booking Insights
Flight Deals

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

Sat, 1 May - Sat, 15 May
Multiple Airlines Logo
14:20 - 12:35BHD  Belfast City-SYD Sydney Kingsford Smith
37h 15m2 stops London Gatwick Shanghai Pu Dong
Multiple Airlines Logo
11:00 - 20:30SYD  Sydney Kingsford Smith-BHD Belfast City
42h 30m2 stops Shanghai Pu Dong London Gatwick
£922Multiple Airlines
Mon, 18 Jan - Sun, 31 Jan
Multiple Airlines Logo
10:10 - 07:20BHD  Belfast City-SYD Sydney Kingsford Smith
34h 10m2 stops London Gatwick Shanghai Pu Dong
Multiple Airlines Logo
12:00 - 20:30SYD  Sydney Kingsford Smith-BHD Belfast City
43h 30m2 stops Shanghai Pu Dong London Gatwick
£930Multiple Airlines
Mon, 23 Nov - Sun, 6 Dec
Multiple Airlines Logo
07:20 - 10:00BHD  Belfast City-SYD Sydney Kingsford Smith
39h 40m2 stops London Gatwick Shanghai Pu Dong
Multiple Airlines Logo
12:00 - 20:30SYD  Sydney Kingsford Smith-BHD Belfast City
43h 30m2 stops Shanghai Pu Dong London Gatwick
£979Multiple Airlines
Fri, 26 Feb - Fri, 12 Mar
British Airways Logo
14:55 - 08:05BHD  Belfast City-SYD Sydney Kingsford Smith
30h 10m2 stops London Heathrow Beijing Capital
British Airways Logo
10:30 - 19:10SYD  Sydney Kingsford Smith-BHD Belfast City
43h 40m2 stops Beijing Capital London Heathrow
£985British Airways
Mon, 23 Nov - Sun, 6 Dec
Multiple Airlines Logo
07:20 - 10:00BHD  Belfast City-SYD Sydney Kingsford Smith
39h 40m2 stops London Gatwick Shanghai Pu Dong
Multiple Airlines Logo
21:30 - 20:30SYD  Sydney Kingsford Smith-BHD Belfast City
34h 00m2 stops Shanghai Pu Dong London Gatwick
£1,044Multiple Airlines
Mon, 22 Mar - Mon, 12 Apr
American Airlines Logo
09:25 - 09:00BHD  Belfast City-SYD Sydney Kingsford Smith
36h 35m2 stops London Heathrow Los Angeles
American Airlines Logo
12:00 - 12:55SYD  Sydney Kingsford Smith-BHD Belfast City
33h 55m2 stops Dallas/Fort Worth London Heathrow
£1,052American Airlines
Sat, 21 Nov - Wed, 9 Dec
Multiple Airlines Logo
14:55 - 13:20BHD  Belfast City-SYD Sydney Kingsford Smith
35h 25m3 stops London Gatwick Zhengzhou Guangzhou Baiyun
Multiple Airlines Logo
15:10 - 09:45SYD  Sydney Kingsford Smith-BHD Belfast City
29h 35m2 stops Guangzhou Baiyun London Gatwick
£1,055Multiple Airlines
Sat, 13 Mar - Sat, 27 Mar
American Airlines Logo
09:20 - 09:00BHD  Belfast City-SYD Sydney Kingsford Smith
36h 40m2 stops London Heathrow Los Angeles
American Airlines Logo
13:05 - 11:25SYD  Sydney Kingsford Smith-BHD Belfast City
33h 20m2 stops Dallas/Fort Worth London Heathrow
£1,055American Airlines
Sat, 21 Nov - Wed, 9 Dec
Multiple Airlines Logo
10:00 - 10:00BHD  Belfast City-SYD Sydney Kingsford Smith
37h 00m2 stops London Gatwick Shanghai Pu Dong
Multiple Airlines Logo
12:00 - 14:35SYD  Sydney Kingsford Smith-BHD Belfast City
37h 35m2 stops Shanghai Pu Dong London Gatwick
£1,101Multiple Airlines
Wed, 3 Mar - Sun, 7 Mar
Qantas Airways Logo
06:35 - 07:35BHD  Belfast City-SYD Sydney Kingsford Smith
38h 00m2 stops London Heathrow Singapore Changi
Qantas Airways Logo
16:30 - 08:35SYD  Sydney Kingsford Smith-BHD Belfast City
27h 05m2 stops Singapore Changi London Heathrow
£1,117Qantas Airways
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, Sunday is the cheapest day of the week to fly from Belfast to Sydney. It's 6% cheaper than the average day, while Thursday is the most expensive, with prices 26% higher.

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

•February is the cheapest month to fly from Belfast to Sydney at £995 return.
•December (£1,687) and August (£1,513) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 69% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Belfast to Sydney flights

Low season

August

Cheapest flight

£461
Beat the crowds with an average 43% drop in traveller numbers.
The most popular month to fly with an average 57% increase in traveller numbers.
One-way flight from Belfast City Airport to Sydney

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?

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

    • Economy class
    • Premium Economy Class

  • 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 £1,029 to £1,494, with an average of £1,196 over the past 12 months. Anything below £1,029 counts as a good deal.

  • How are flight prices from Belfast to Sydney looking right now?

    One-way fares from Belfast to Sydney are currently higher than usual. Average one-way flight prices are about £1,439, which is 67% above the typical average for this route.

  • 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 averaging £30 for economy cars. Top options include:

    • East Coast Car Rentals
    • YESDRIVE CAR RENTAL
    • Bargain Car Rentals
    • 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 26% on flights from Belfast to Sydney. Sunday is the cheapest departure day at £1,130 return on average, while Thursday is the most expensive at £1,513, a difference of £383.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What is the time difference between Belfast and Sydney?

    Sydney is 11 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, Sydney Cricket Ground, and Star Casino. 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 Sunday departure and avoid flying on Thursday. On this route, Sunday flights average £1,130, about £383 less than Thursday fares (25% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Belfast to Sydney trip for February. Fares historically average £995 return in that month – typically £692 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
    • Travelodge Hotel Sydney Airport
    • Rydges Sydney Airport Hotel

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