Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Sydney to Belfast from $1,850

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 1/2. 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

Discover deals from 900+ travel sites with momondo.

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 Sydney to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:25 - 14:55
SYD
-
BFS
35h 30m3 stops
Multiple Airlines Logo
12:25 - 10:45
BFS
-
SYD
35h 20m3 stops
$1,850Multiple Airlines
Sun, 1 Feb - Sun, 8 Feb
Multiple Airlines Logo
21:30 - 20:10
SYD
-
BFS
33h 40m2 stops
Multiple Airlines Logo
09:25 - 06:30
BFS
-
SYD
34h 05m2 stops
$1,877Multiple Airlines
Sun, 1 Feb - Sun, 8 Feb
Multiple Airlines Logo
10:30 - 14:55
SYD
-
BFS
39h 25m3 stops
Multiple Airlines Logo
14:45 - 06:35
BFS
-
SYD
28h 50m2 stops
$1,889Multiple Airlines
Sun, 1 Feb - Sun, 8 Feb
British Airways Logo
11:15 - 10:20
SYD
-
BHD
34h 05m2 stops
British Airways Logo
10:40 - 06:55
BHD
-
SYD
33h 15m2 stops
$1,992British Airways
Thu, 5 Mar - Sun, 8 Mar
British Airways Logo
11:15 - 10:20
SYD
-
BHD
34h 05m2 stops
British Airways Logo
20:25 - 06:55
BHD
-
SYD
47h 30m2 stops
$1,997British Airways
Thu, 5 Mar - Sun, 8 Mar
British Airways Logo
11:15 - 10:20
SYD
-
BHD
34h 05m2 stops
British Airways Logo
12:10 - 06:55
BHD
-
SYD
31h 45m2 stops
$2,000British Airways
Thu, 5 Mar - Sun, 8 Mar
Multiple Airlines Logo
20:05 - 22:45
SYD
-
BFS
37h 40m3 stops
Multiple Airlines Logo
07:50 - 06:35
BFS
-
SYD
35h 45m2 stops
$2,018Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
Multiple Airlines Logo
15:50 - 10:05
SYD
-
BFS
29h 15m2 stops
Multiple Airlines Logo
06:30 - 06:50
BFS
-
SYD
37h 20m2 stops
$2,096Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
Multiple Airlines Logo
20:05 - 22:45
SYD
-
BFS
37h 40m3 stops
Multiple Airlines Logo
13:25 - 10:45
BFS
-
SYD
34h 20m3 stops
$2,127Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
KLM Logo
06:35 - 16:50
SYD
-
BHD
45h 15m3 stops
KLM Logo
17:20 - 07:35
BHD
-
SYD
51h 15m2 stops
$3,624KLM
Tue, 30 Dec - Tue, 20 Jan

British Airways flights from Sydney to Belfast

Our best British Airways deals on Sydney to Belfast flight tickets
British Airways
5 Mar
SYD11:15Sydney Kingsford Smith
34h 05m
2 stops
BHD10:20Belfast City
8 Mar
BHD10:40Belfast City
33h 15m
2 stops
SYD06:55Sydney Kingsford Smith
$1,992
Find similar
British Airways
5 Mar
SYD11:15Sydney Kingsford Smith
34h 05m
2 stops
BHD10:20Belfast City
8 Mar
BHD20:25Belfast City
47h 30m
2 stops
SYD06:55Sydney Kingsford Smith
$1,997
Find similar
British Airways
5 Mar
SYD11:15Sydney Kingsford Smith
34h 05m
2 stops
BHD10:20Belfast City
8 Mar
BHD12:10Belfast City
31h 45m
2 stops
SYD06:55Sydney Kingsford Smith
$2,000
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 18 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 - BFS

SYDBFS

Sydney Kingsford Smith

Sun 1/2

14:25-14:55

3 stops35h 30m

Belfast Intl

Sun 8/2

12:25-10:45

3 stops35h 20m

$1,850

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Sun 1/2

21:30-20:10

2 stops33h 40m

Belfast Intl

Sun 8/2

09:25-06:30

2 stops34h 05m

$1,877

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Sun 1/2

10:30-14:55

3 stops39h 25m

Belfast Intl

Sun 8/2

14:45-06:35

2 stops28h 50m

$1,889

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 5/3

11:15-10:20

2 stops34h 05m

Belfast City

Sun 8/3

10:40-06:55

2 stops33h 15m

$1,992

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 5/3

11:15-10:20

2 stops34h 05m

Belfast City

Sun 8/3

20:25-06:55

2 stops47h 30m

$1,997

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 5/3

11:15-10:20

2 stops34h 05m

Belfast City

Sun 8/3

12:10-06:55

2 stops31h 45m

$2,000

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Fri 30/1

20:05-22:45

3 stops37h 40m

Belfast Intl

Fri 6/2

07:50-06:35

2 stops35h 45m

$2,018

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Fri 30/1

15:50-10:05

2 stops29h 15m

Belfast Intl

Fri 6/2

06:30-06:50

2 stops37h 20m

$2,096

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Fri 30/1

20:05-22:45

3 stops37h 40m

Belfast Intl

Fri 6/2

13:25-10:45

3 stops34h 20m

$2,127

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Tue 30/12

06:35-16:50

3 stops45h 15m

Belfast City

Tue 20/1

17:20-07:35

2 stops51h 15m

$3,624

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 $2,043. 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 $2,413.

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 $2,173. Flights to Belfast are more costly in the evening, with an average ticket price of $3,458. 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

33h 55m

Direct flights

None
The fastest flight from Sydney to Belfast takes 33h 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 33h 55m 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 $1,893Free cancellationRating
6.7
7,585 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

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
Sat 17/1
Sat 24/1
By creating a price alert you accept our terms of use and privacy policy.

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