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Cheap flights from Sydney to Belfast from $1,977

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Belfast departing on 15/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

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Multiple Airlines Logo
20:40 - 20:30SYD-BHD
34h 50m2 stops
Multiple Airlines Logo
11:05 - 12:00BHD-SYD
37h 55m2 stops
$1,977Multiple Airlines
Find Deal
Thu, 15 Jan - Thu, 22 Jan
British Airways Logo
16:20 - 10:15SYD-BHD
28h 55m2 stops
British Airways Logo
17:35 - 06:55BHD-SYD
50h 20m2 stops
$2,083British Airways
Find Deal
Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
16:20 - 10:15SYD-BHD
28h 55m2 stops
British Airways Logo
06:30 - 06:55BHD-SYD
37h 25m2 stops
$2,087British Airways
Find Deal
Wed, 4 Mar - Sun, 8 Mar
British Airways Logo
14:05 - 11:55SYD-BHD
30h 50m2 stops
British Airways Logo
20:05 - 05:05BHD-SYD
48h 00m2 stops
$2,188British Airways
Find Deal
Wed, 13 May - Sun, 17 May
British Airways Logo
07:40 - 13:30SYD-BHD
38h 50m2 stops
British Airways Logo
20:05 - 05:05BHD-SYD
48h 00m2 stops
$2,194British Airways
Find Deal
Wed, 13 May - Sun, 17 May
Multiple Airlines Logo
20:05 - 21:45SYD-BFS
36h 40m3 stops
Multiple Airlines Logo
07:15 - 06:15BFS-SYD
36h 00m3 stops
$2,239Multiple Airlines
Find Deal
Wed, 14 Jan - Wed, 21 Jan
Multiple Airlines Logo
16:35 - 16:10SYD-BFS
34h 35m2 stops
Multiple Airlines Logo
07:15 - 06:15BFS-SYD
36h 00m3 stops
$2,538Multiple Airlines
Find Deal
Wed, 14 Jan - Wed, 21 Jan
KLM Logo
06:35 - 21:00SYD-BHD
49h 25m3 stops
KLM Logo
06:30 - 10:20BHD-SYD
40h 50m2 stops
$2,836KLM
Find Deal
Wed, 4 Mar - Sun, 8 Mar
KLM Logo
06:35 - 16:50SYD-BHD
45h 15m3 stops
KLM Logo
06:30 - 10:20BHD-SYD
40h 50m2 stops
$2,840KLM
Find Deal
Wed, 4 Mar - Sun, 8 Mar
KLM Logo
06:35 - 21:00SYD-BHD
49h 25m3 stops
KLM Logo
06:30 - 10:20BHD-SYD
40h 50m2 stops
$2,843KLM
Find Deal
Wed, 4 Mar - Sun, 8 Mar

British Airways flights from Sydney to Belfast

Our best British Airways deals on Sydney to Belfast flight tickets
British Airways
4 Mar
SYD16:20Sydney Kingsford Smith
28h 55m
2 stops
BHD10:15Belfast City
8 Mar
BHD06:30Belfast City
37h 25m
2 stops
SYD06:55Sydney Kingsford Smith
$2,087
Find similar
British Airways
13 May
SYD07:40Sydney Kingsford Smith
38h 50m
2 stops
BHD13:30Belfast City
17 May
BHD20:05Belfast City
48h 00m
2 stops
SYD05:05Sydney Kingsford Smith
$2,194
Find similar

KLM flights from Sydney to Belfast

Our best KLM deals on Sydney to Belfast flight tickets
KLM
4 Mar
SYD06:35Sydney Kingsford Smith
45h 15m
3 stops
BHD16:50Belfast City
8 Mar
BHD06:30Belfast City
40h 50m
2 stops
SYD10:20Sydney Kingsford Smith
$2,840
Find similar
KLM
4 Mar
SYD06:35Sydney Kingsford Smith
49h 25m
3 stops
BHD21:00Belfast City
8 Mar
BHD06:30Belfast City
40h 50m
2 stops
SYD10:20Sydney Kingsford Smith
$2,843
Find similar
KLM
13 May
SYD10:10Sydney Kingsford Smith
32h 10m
2 stops
BHD09:20Belfast City
17 May
BHD09:50Belfast City
39h 55m
3 stops
SYD10:45Sydney Kingsford Smith
$3,063
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Sydney to Belfast 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 78,305 searches. Data last updated 1 December 2025.
Use the filters below to find and compare flights from Sydney to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 15/1

20:40-20:30

2 stops34h 50m

Belfast City

Thu 22/1

11:05-12:00

2 stops37h 55m

$1,977

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 4/3

16:20-10:15

2 stops28h 55m

Belfast City

Sun 8/3

17:35-06:55

2 stops50h 20m

$2,083

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 4/3

16:20-10:15

2 stops28h 55m

Belfast City

Sun 8/3

06:30-06:55

2 stops37h 25m

$2,087

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 13/5

14:05-11:55

2 stops30h 50m

Belfast City

Sun 17/5

20:05-05:05

2 stops48h 00m

$2,188

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 13/5

07:40-13:30

2 stops38h 50m

Belfast City

Sun 17/5

20:05-05:05

2 stops48h 00m

$2,194

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Wed 14/1

20:05-21:45

3 stops36h 40m

Belfast Intl

Wed 21/1

07:15-06:15

3 stops36h 00m

$2,239

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Wed 14/1

16:35-16:10

2 stops34h 35m

Belfast Intl

Wed 21/1

07:15-06:15

3 stops36h 00m

$2,538

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 4/3

06:35-21:00

3 stops49h 25m

Belfast City

Sun 8/3

06:30-10:20

2 stops40h 50m

$2,836

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 4/3

06:35-16:50

3 stops45h 15m

Belfast City

Sun 8/3

06:30-10:20

2 stops40h 50m

$2,840

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 4/3

06:35-21:00

3 stops49h 25m

Belfast City

Sun 8/3

06:30-10:20

2 stops40h 50m

$2,843

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Belfast from

How to get the cheapest flight ticket from Sydney to Belfast

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 typical price of a round-trip flight between Sydney and Belfast?

What is the cheapest day to depart on your flight to Belfast?

According to our data, Wednesday is the cheapest day to fly to Belfast from Sydney. The lowest ticket price found for a Wednesday departure recently was $2,064. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Belfast on Sunday is $2,438.

What is the cheapest time of day to depart on your flight to Belfast?

Our data shows that the cheapest Sydney to Belfast flights are usually those with departure times in the afternoon. Our users have found flights to Belfast in the afternoon for as low as $2,195. Flights to Belfast are more costly in the evening, with an average ticket price of $3,494. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Sydney to Belfast flight deals and tips

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

Fastest flight time

28h 55m

Direct flights

None
The fastest flight from Sydney to Belfast takes 28h 55m
There are no direct flights from Sydney to Belfast. There are no popular flight routes from Sydney to Belfast.
Search flight deals

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

    A flight from Sydney Kingsford Smith to Belfast will travel around 17093.9 km. Typically, this will take 28h 10m by plane in normal conditions.

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

    Prices for flights from Sydney Kingsford Smith Airport to Belfast were last updated today.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith Airport to Belfast.

  • What documentation or ID do you need to fly to Belfast?

    The required travel and health documents for your Belfast 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 licence and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Sydney to Belfast

Compare and see reviews for airlines that fly from Sydney to Belfast with momondo
Airline
Rating
Free cancellation
Price
British AirwaysPriceFrom $1,913Free cancellationRating
6.7
7,549 reviews
Search British Airways flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Belfast from Sydney.

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

All flight searches from Sydney to Belfast on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Sydney to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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

An easier way to manage your Belfast trip

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 19.6 km from Belfast
Belfast Intl Airport
Belfast City Airport