Cheap flights from Sydney to Belfast from $1,051

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Belfast departing on 28/11. 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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09:15 - 22:00SYD-BFS
45h 45m3 stops
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15:25 - 07:50BFS-SYD
31h 25m3 stops
$2,106
Find Deal
Wed, 17 Sep - Wed, 24 Sep
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12:50 - 17:00SYD-BFS
37h 10m3 stops
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13:20 - 09:20BFS-SYD
35h 00m2 stops
$2,386
Find Deal
Fri, 5 Sep - Sun, 14 Sep
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20:30 - 20:35SYD-BFS
33h 05m2 stops
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08:15 - 07:20BFS-SYD
38h 05m3 stops
$2,423
Find Deal
Wed, 17 Sep - Wed, 24 Sep
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10:15 - 23:00SYD-BFS
45h 45m3 stops
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21:25 - 18:00BFS-SYD
35h 35m3 stops
$2,463
Find Deal
Mon, 1 Sep - Tue, 30 Sep
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14:50 - 17:00SYD-BFS
35h 10m2 stops
 Logo
13:20 - 09:20BFS-SYD
35h 00m2 stops
$2,521
Find Deal
Fri, 5 Sep - Sun, 14 Sep
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12:50 - 17:00SYD-BFS
37h 10m3 stops
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17:30 - 10:10BFS-SYD
31h 40m3 stops
$2,552
Find Deal
Fri, 5 Sep - Sun, 14 Sep
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10:15 - 23:00SYD-BFS
45h 45m3 stops
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07:30 - 20:30BFS-SYD
28h 00m2 stops
$2,684
Find Deal
Mon, 1 Sep - Tue, 30 Sep
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12:50 - 21:20SYD-BFS
41h 30m3 stops
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06:10 - 19:25BFS-SYD
28h 15m2 stops
$2,993
Find Deal
Thu, 18 Sep - Thu, 25 Sep
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14:50 - 09:55SYD-BFS
28h 05m2 stops
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06:10 - 17:10BFS-SYD
26h 00m2 stops
$3,245
Find Deal
Wed, 17 Sep - Wed, 24 Sep
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21:10 - 15:35SYD-BFS
27h 25m2 stops
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06:10 - 17:20BFS-SYD
26h 10m2 stops
$3,507
Find Deal
Thu, 18 Sep - Thu, 25 Sep

momondo Fare Finder

 
Customise your flight search to find flights from Sydney to Belfast Intl Airport 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 4 August 2025.
Use the filters below to find and compare flights from Sydney to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Wed 17/9

09:15-22:00

3 stops45h 45m

Belfast Intl

Wed 24/9

15:25-07:50

3 stops31h 25m

$2,106

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Fri 5/9

12:50-17:00

3 stops37h 10m

Belfast Intl

Sun 14/9

13:20-09:20

2 stops35h 00m

$2,386

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Wed 17/9

20:30-20:35

2 stops33h 05m

Belfast Intl

Wed 24/9

08:15-07:20

3 stops38h 05m

$2,423

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Mon 1/9

10:15-23:00

3 stops45h 45m

Belfast Intl

Tue 30/9

21:25-18:00

3 stops35h 35m

$2,463

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Fri 5/9

14:50-17:00

2 stops35h 10m

Belfast Intl

Sun 14/9

13:20-09:20

2 stops35h 00m

$2,521

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Fri 5/9

12:50-17:00

3 stops37h 10m

Belfast Intl

Sun 14/9

17:30-10:10

3 stops31h 40m

$2,552

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Mon 1/9

10:15-23:00

3 stops45h 45m

Belfast Intl

Tue 30/9

07:30-20:30

2 stops28h 00m

$2,684

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Thu 18/9

12:50-21:20

3 stops41h 30m

Belfast Intl

Thu 25/9

06:10-19:25

2 stops28h 15m

$2,993

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Wed 17/9

14:50-09:55

2 stops28h 05m

Belfast Intl

Wed 24/9

06:10-17:10

2 stops26h 00m

$3,245

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Thu 18/9

21:10-15:35

2 stops27h 25m

Belfast Intl

Thu 25/9

06:10-17:20

2 stops26h 10m

$3,507

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from Sydney to Belfast Intl Airport

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 Intl Airport?

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

Our data shows that Wednesday is the least expensive day to fly to Belfast Intl Airport. Tickets to fly out on this day can be as low as $2,088. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Sydney to Belfast Intl Airport for around $2,466.

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

According to our data, the cheapest time of day to fly to Belfast Intl Airport is in the afternoon. momondo users have found flights departing from Sydney to Belfast Intl Airport in the afternoon for as low as $2,221. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive, with an average ticket price of $3,535.

When to book flights from Sydney to Belfast Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Belfast Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Sydney to Belfast Intl Airport (SYD to BFS) flight deals and tips

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

Best price found

$1,051

Fastest flight time

27h 15m

Direct flights

None
The best one-way flight to Belfast Intl Airport from Sydney in the past 72 hours is $1,051. The best return flight deal from Sydney to Belfast Intl Airport found on momondo in the last 72 hours is $2,106.
The fastest flight from Sydney to Belfast Intl Airport takes 27h 15m
There are no direct flights from Sydney to Belfast Intl Airport. Popular non-direct route for this connection is Sydney Kingsford Smith Airport - Belfast Intl Airport.

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

    There are 17102.7 km between Sydney Kingsford Smith and Belfast Intl. 27h 25m is a normal flight duration for this route.

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

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

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

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

    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 Intl Airport.

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

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

  • What is the most popular airline from Sydney to Belfast Intl Airport?


Best airlines flying from Sydney to Belfast Intl Airport

Compare and see reviews for airlines that fly from Sydney to Belfast Intl Airport with momondo
Airline
Rating
Free cancellation
Price
British AirwaysPriceFrom $1,629Free cancellationRating
6.6
7,235 reviews
Search British Airways flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Sydney to Belfast . Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Sydney to Belfast with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Belfast from Sydney.

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

Of course. momondo tracks the price of Sydney to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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