$1,399 Find Cheap Flights from Belfast to Sydney – Compare and Save

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Everything you should know

Cheapest return flight
$1,438
Typical prices: $1,929-$2,721
Multiple Airlines
Mon 5/11Mon 12/11
BFS - SYD • 2 stops
Cheapest one-way flight
$1,399
Typical prices: $1,102-$1,743
Multiple Airlines
Thu 1/11
BHD - SYD • 2 stops
Top routes
BFS - SYD
Cheapest • 8% average savings
BHD - SYD
Most popular
Insights
Insights
When to travel
February
Cheapest • 13% price drop
January
Most popular
Good to know
+1
Good to know
+1
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We hope you enjoy your trip to Sydney!
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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

Thu, 5 Nov - Thu, 12 Nov
Multiple Airlines Logo
06:30 - 13:35BFS  Belfast Intl-SYD Sydney Kingsford Smith
44h 05m2 stops London Gatwick Shanghai Pu Dong
Multiple Airlines Logo
21:30 - 20:30SYD  Sydney Kingsford Smith-BFS Belfast Intl
34h 00m2 stops Shanghai Pu Dong London Gatwick
$1,438Multiple Airlines
Wed, 11 Nov - Tue, 1 Dec
Multiple Airlines Logo
13:20 - 10:00BFS  Belfast Intl-SYD Sydney Kingsford Smith
33h 40m2 stops London Luton Shanghai Pu Dong
Multiple Airlines Logo
12:00 - 22:00SYD  Sydney Kingsford Smith-BFS Belfast Intl
45h 00m2 stops Shanghai Pu Dong London Gatwick
$1,512Multiple Airlines
Mon, 9 Nov - Mon, 23 Nov
Multiple Airlines Logo
06:30 - 10:00BFS  Belfast Intl-SYD Sydney Kingsford Smith
40h 30m2 stops London Gatwick Shanghai Pu Dong
Multiple Airlines Logo
12:00 - 17:55SYD  Sydney Kingsford Smith-BFS Belfast Intl
40h 55m2 stops Shanghai Pu Dong London Gatwick
$1,524Multiple Airlines
Mon, 9 Nov - Tue, 24 Nov
Multiple Airlines Logo
10:15 - 13:35BFS  Belfast Intl-SYD Sydney Kingsford Smith
40h 20m2 stops London Gatwick Shanghai Pu Dong
Multiple Airlines Logo
12:00 - 22:00SYD  Sydney Kingsford Smith-BFS Belfast Intl
45h 00m2 stops Shanghai Pu Dong London Gatwick
$1,560Multiple Airlines
Mon, 9 Nov - Mon, 23 Nov
Multiple Airlines Logo
10:10 - 13:35BHD  Belfast City-SYD Sydney Kingsford Smith
40h 25m2 stops London Gatwick Shanghai Pu Dong
Multiple Airlines Logo
12:00 - 13:35SYD  Sydney Kingsford Smith-BHD Belfast City
36h 35m2 stops Shanghai Pu Dong London Gatwick
$1,640Multiple Airlines
Wed, 4 Nov - Wed, 18 Nov
Multiple Airlines Logo
17:35 - 13:20BHD  Belfast City-SYD Sydney Kingsford Smith
32h 45m2 stops London Heathrow Guangzhou Baiyun
Multiple Airlines Logo
15:10 - 19:05SYD  Sydney Kingsford Smith-BHD Belfast City
38h 55m2 stops Guangzhou Baiyun London Gatwick
$1,727Multiple Airlines
Tue, 13 Oct - Mon, 26 Oct
Multiple Airlines Logo
14:20 - 09:00BHD  Belfast City-SYD Sydney Kingsford Smith
32h 40m3 stops London Gatwick Shanghai Pu Dong Wuhan
Multiple Airlines Logo
12:00 - 09:45SYD  Sydney Kingsford Smith-BHD Belfast City
32h 45m2 stops Shanghai Pu Dong London Gatwick
$1,785Multiple Airlines
Tue, 23 Feb - Thu, 25 Mar
Multiple Airlines Logo
07:00 - 10:00BFS  Belfast Intl-SYD Sydney Kingsford Smith
40h 00m2 stops London Gatwick Shanghai Pu Dong
Multiple Airlines Logo
21:30 - 21:55SYD  Sydney Kingsford Smith-BFS Belfast Intl
35h 25m2 stops Shanghai Pu Dong London Gatwick
$1,801Multiple Airlines
Sun, 14 Feb - Sun, 7 Mar
British Airways Logo
12:00 - 13:00BHD  Belfast City-SYD Sydney Kingsford Smith
38h 00m2 stops London Heathrow Hong Kong Intl
British Airways Logo
11:15 - 08:35SYD  Sydney Kingsford Smith-BHD Belfast City
32h 20m2 stops Hong Kong Intl London Heathrow
$1,858British Airways
Tue, 13 Oct - Mon, 26 Oct
Multiple Airlines Logo
16:00 - 13:25BFS  Belfast Intl-SYD Sydney Kingsford Smith
35h 25m3 stops London Gatwick Zhengzhou Guangzhou Baiyun
Multiple Airlines Logo
21:30 - 19:10SYD  Sydney Kingsford Smith-BFS Belfast Intl
32h 40m2 stops Abu Dhabi Zayed Intl Manchester
$1,872Multiple 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 from Belfast to Sydney with more confidence.

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

Monday is the cheapest day of the week to fly from Belfast to Sydney and is 10% cheaper than the average day. Thursday is the most expensive day with flight prices 5% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

•February is the cheapest month to fly from Belfast to Sydney at $1,911 return.
•December ($3,049) and August ($2,847) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 59% 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

$1,399
Best time to beat the crowds but there is an average 29% increase in price.
Most popular time to fly (5% more expensive on average)
Flights 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 route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • 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 $1,929 to $2,721, with an average of $2,207 over the past 12 months. Anything below $1,929 counts as a good deal.

  • Have flight prices from Belfast to Sydney changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about $1,438 to $4,684. That means the highest observed fare was about 3x higher than the lowest one.

  • 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 $1,858, which is 49% 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 starting from around $14 for economy cars. Top options include:
    • Bargain Car Rentals
    • East Coast Car Rentals
    • EverythingFleet
    • YESDRIVE CAR RENTAL
    • No Birds

  • 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. Other stopover airports each see under 5%.

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

    Yes. Being flexible with your travel dates can save you up to 14% on the Belfast to Sydney route. Monday is the cheapest departure day at $2,002 return on average, while Thursday is the most expensive at $2,318, a difference of $316. 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 Belfast and Sydney?

    Sydney is 9 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 instead of Thursday. On this route, Monday flights average $2,002 – about $316 less than Thursday (14% 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 $1,911 return in that month – typically $1,138 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.
    - Travelodge Hotel Sydney Airport
    - Rydges Sydney Airport Hotel
    - ibis budget 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