Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Belfast to Sydney from £779

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast to Sydney departing on 13/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Belfast to Sydney

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:30 - 12:35
BHD
-
SYD
45h 05m
2 stops
Multiple Airlines Logo
10:05 - 09:00
SYD
-
BHD
55h 55m
2 stops
£779Multiple Airlines
Mon, 13 Apr - Mon, 27 Apr
Multiple Airlines Logo
06:10 - 12:35
BFS
-
SYD
45h 25m
2 stops
Multiple Airlines Logo
20:30 - 20:40
SYD
-
BFS
33h 10m
2 stops
£958Multiple Airlines
Wed, 8 Apr - Wed, 15 Apr
British Airways Logo
20:00 - 18:50
BHD
-
SYD
35h 50m
2 stops
British Airways Logo
21:40 - 18:35
SYD
-
BHD
31h 55m
2 stops
£1,066British Airways
Thu, 12 Mar - Mon, 16 Mar
British Airways Logo
20:00 - 18:50
BHD
-
SYD
35h 50m
2 stops
British Airways Logo
21:40 - 16:05
SYD
-
BHD
29h 25m
2 stops
£1,066British Airways
Thu, 12 Mar - Mon, 16 Mar
British Airways Logo
06:35 - 18:50
BHD
-
SYD
49h 15m
2 stops
British Airways Logo
21:40 - 09:05
SYD
-
BHD
46h 25m
2 stops
£1,095British Airways
Wed, 11 Mar - Sun, 15 Mar
British Airways Logo
06:35 - 18:50
BHD
-
SYD
49h 15m
2 stops
British Airways Logo
21:40 - 09:05
SYD
-
BHD
46h 25m
2 stops
£1,096British Airways
Wed, 11 Mar - Sun, 15 Mar
Multiple Airlines Logo
15:35 - 06:10
BFS
-
SYD
29h 35m
2 stops
Multiple Airlines Logo
15:40 - 19:05
SYD
-
BFS
36h 25m
2 stops
£1,241Multiple Airlines
Mon, 6 Apr - Mon, 13 Apr
KLM Logo
17:30 - 09:40
BHD
-
SYD
31h 10m
3 stops
KLM Logo
07:55 - 09:20
SYD
-
BHD
34h 25m
2 stops
£1,352KLM
Mon, 13 Apr - Mon, 27 Apr
KLM Logo
17:30 - 09:40
BHD
-
SYD
31h 10m
3 stops
KLM Logo
10:10 - 16:55
SYD
-
BHD
39h 45m
3 stops
£1,394KLM
Mon, 13 Apr - Mon, 27 Apr
KLM Logo
17:30 - 06:45
BHD
-
SYD
28h 15m
2 stops
KLM Logo
11:00 - 16:55
SYD
-
BHD
62h 55m
2 stops
£5,707KLM
Wed, 15 Apr - Sat, 9 May

KLM flights from Belfast to Sydney

Our best KLM deals on Belfast to Sydney flight tickets
KLM
13 Apr
BHD17:30Belfast City
31h 10m
3 stops
SYD09:40Sydney Kingsford Smith
27 Apr
SYD07:55Sydney Kingsford Smith
34h 25m
2 stops
BHD09:20Belfast City
£1,352
KLM
13 Apr
BHD17:30Belfast City
31h 10m
3 stops
SYD09:40Sydney Kingsford Smith
27 Apr
SYD10:10Sydney Kingsford Smith
39h 45m
3 stops
BHD16:55Belfast City
£1,394
KLM
15 Apr
BHD17:30Belfast City
28h 15m
2 stops
SYD06:45Sydney Kingsford Smith
9 May
SYD11:00Sydney Kingsford Smith
62h 55m
2 stops
BHD16:55Belfast City
£5,707

British Airways flights from Belfast to Sydney

Our best British Airways deals on Belfast to Sydney flight tickets
British Airways
12 Mar
BHD20:00Belfast City
35h 50m
2 stops
SYD18:50Sydney Kingsford Smith
16 Mar
SYD21:40Sydney Kingsford Smith
31h 55m
2 stops
BHD18:35Belfast City
£1,066
British Airways
12 Mar
BHD20:00Belfast City
35h 50m
2 stops
SYD18:50Sydney Kingsford Smith
16 Mar
SYD21:40Sydney Kingsford Smith
29h 25m
2 stops
BHD16:05Belfast City
£1,066
British Airways
11 Mar
BHD06:35Belfast City
49h 15m
2 stops
SYD18:50Sydney Kingsford Smith
15 Mar
SYD21:40Sydney Kingsford Smith
46h 25m
2 stops
BHD09:05Belfast City
£1,095

momondo Fare Finder

 
Customise your flight search to find flights from Belfast to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 23 February 2026.
Use the filters below to find and compare flights from Belfast to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Mon 13/4

06:30-12:35

2 stops45h 05m

Sydney Kingsford Smith

Mon 27/4

10:05-09:00

2 stops55h 55m

£779

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Wed 8/4

06:10-12:35

2 stops45h 25m

Sydney Kingsford Smith

Wed 15/4

20:30-20:40

2 stops33h 10m

£958

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Thu 12/3

20:00-18:50

2 stops35h 50m

Sydney Kingsford Smith

Mon 16/3

21:40-18:35

2 stops31h 55m

£1,066

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Thu 12/3

20:00-18:50

2 stops35h 50m

Sydney Kingsford Smith

Mon 16/3

21:40-16:05

2 stops29h 25m

£1,066

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 11/3

06:35-18:50

2 stops49h 15m

Sydney Kingsford Smith

Sun 15/3

21:40-09:05

2 stops46h 25m

£1,095

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 11/3

06:35-18:50

2 stops49h 15m

Sydney Kingsford Smith

Sun 15/3

21:40-09:05

2 stops46h 25m

£1,096

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Mon 6/4

15:35-06:10

2 stops29h 35m

Sydney Kingsford Smith

Mon 13/4

15:40-19:05

2 stops36h 25m

£1,241

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Mon 13/4

17:30-09:40

3 stops31h 10m

Sydney Kingsford Smith

Mon 27/4

07:55-09:20

2 stops34h 25m

£1,352

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Mon 13/4

17:30-09:40

3 stops31h 10m

Sydney Kingsford Smith

Mon 27/4

10:10-16:55

3 stops39h 45m

£1,394

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 15/4

17:30-06:45

2 stops28h 15m

Sydney Kingsford Smith

Sat 9/5

11:00-16:55

2 stops62h 55m

£5,707

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Sydney from

How to get the cheapest flight ticket from Belfast to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Sydney?

In general, November is the cheapest month to fly from Belfast to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £1,075. If you don’t want to visit Sydney in November, then you should wait until October to fly from Belfast, when ticket prices are also cheap, with an average price of £1,096.

Cheap Belfast to Sydney flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast to Sydney

Fastest flight time

45h 05m

Direct flights

None
The fastest flight from Belfast to Sydney takes 45h 05m
There are no direct flights from Belfast to Sydney. There are no popular flight routes from Belfast to Sydney.
Search flight deals

  • How far is Belfast to Sydney Kingsford Smith by plane?

    The straight-line distance from Belfast to Sydney Kingsford Smith is 10621.7 mi. By plane, this route typically takes 45h 05m.

  • When did momondo last update prices for flights from Belfast to Sydney Kingsford Smith Airport?

    Prices for flights from Belfast to Sydney Kingsford Smith Airport refresh daily.

  • How many operators does momondo search for flights from Belfast to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Belfast to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Belfast to Sydney

Compare and see reviews for airlines that fly from Belfast to Sydney with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom £497Free CancellationRating
7.4
3,740 reviews
Search Qatar Airways flights
British AirwaysPriceFrom £992Free CancellationRating
6.7
7,759 reviews
Search British Airways flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Wollongong
Randwick
Manly
Coogee
Leura
Penrith
Katoomba
Cronulla
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Belfast to Sydney?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Belfast to Sydney. momondo saves you time and could save you money on your trip.

Can I find flights from Belfast to Sydney with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sydney from Belfast which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Belfast to Sydney?

Once you have performed a search for Belfast to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Belfast to Sydney right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Belfast and alert you when they change.

An easier way to manage your Sydney trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 25/3
Wed 1/4
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia