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Cheap flights from Sydney to Belfast from $848

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 18/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:00 - 11:45
SYD
-
BFS
33h 45m
2 stops
Multiple Airlines Logo
06:15 - 12:35
BFS
-
SYD
45h 20m
2 stops
$2,061Multiple Airlines
Wed, 15 Jul - Wed, 22 Jul
Multiple Airlines Logo
14:00 - 11:45
SYD
-
BFS
30h 45m
2 stops
Multiple Airlines Logo
19:20 - 12:35
BFS
-
SYD
56h 15m
2 stops
$4,050Multiple Airlines
Wed, 15 Jul - Wed, 22 Jul
Multiple Airlines Logo
14:00 - 22:15
SYD
-
BFS
41h 15m
2 stops
Multiple Airlines Logo
10:10 - 09:00
BFS
-
SYD
37h 50m
2 stops
$4,511Multiple Airlines
Sat, 27 Jun - Sat, 11 Jul

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 5 June 2026.
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

Cheapest return flight
Fastest return journey

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Wed 15/7

11:00-11:45

2 stops33h 45m

Belfast Intl

Wed 22/7

06:15-12:35

2 stops45h 20m

$2,061

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Wed 15/7

14:00-11:45

2 stops30h 45m

Belfast Intl

Wed 22/7

19:20-12:35

2 stops56h 15m

$4,050

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Sat 27/6

14:00-22:15

2 stops41h 15m

Belfast Intl

Sat 11/7

10:10-09:00

2 stops37h 50m

$4,511
Cheapest one-way

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Wed 18/11

11:15-08:30

3 stops56h 15m

$848
Fastest single journey

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Wed 18/11

16:35-09:00

2 stops27h 25m

$1,201

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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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 month to fly to Belfast Intl Airport?

In general, March is the cheapest month to fly from Sydney to Belfast Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel during the month of March, then book flights to Belfast Intl Airport from Sydney during January instead. Flights to Belfast Intl Airport in January, while not as cheap as those in March, still average around $0.

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

Fastest flight time

33h 45m

Direct flights

None
The fastest flight from Sydney to Belfast Intl Airport takes 33h 45m
There are no direct flights from Sydney to Belfast Intl Airport. There are no popular flight routes from Sydney to Belfast Intl Airport.
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Frequently asked questions about flying from Sydney to 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. 33h 45m 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 $1,807Free cancellationRating
6.7
8,027 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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