Cheap Flights from Sydney (SYD) to Belfast (BFS)

Compare Sydney to Belfast International flight deals

Find the cheapest month or even day of the year to fly to Belfast International

Book the best Belfast International fare with no extra fees

Flight deals from Sydney to Belfast International

Looking for a cheap last-minute deal or the best return flight from Sydney to Belfast International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Sydney to Belfast International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sydney to Belfast International flights are currently cheapest in November.

Sydney to Belfast International: Alternative routes

Compare routes from Sydney to Belfast below. You may find an airport to fly into that's cheaper, faster, or easier than Belfast International.

Sydney to Belfast: Flight information

The things to know before you go.
Cheapest flight found$1,421
Cheapest month to flyNovember

Finding cheap flights from Sydney to Belfast International: Frequently asked questions

The best price we found for a return flight from Sydney to Belfast International is $1,421. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Sydney to Belfast International. But we found flights with one or more stops from $1,421.
As of September 2025, there are no flights flying from Sydney to Belfast International.
The cheapest month to fly from Sydney to Belfast International is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to Belfast International Airport on Tuesday, 4 November 2025.
No airlines currently offer direct flights between Sydney Airport and Belfast International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Belfast International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Belfast is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, China Eastern offers the cheapest flight tickets to Belfast International.

Travelling from Sydney (Kingsford Smith) Airport (SYD) to Belfast International Airport (BFS): what you need to know

  • Belfast is 11 hours behind Sydney and follows the UTC+0 timezone.

  • Arrive at the airport on time so you don't miss your SYD to BFS flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • You can expect longer lines during popular months like April. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a wise move.

How to find the cheapest flights from Sydney (Kingsford Smith) Airport (SYD) to Belfast International Airport (BFS)

  • $714 is the lowest price for a one-way Sydney (Kingsford Smith) Airport to Belfast International Airport flight. Return flights start at $1,421. These prices can change depending on demand and availability.

  • Don't wait until the last moment. You're more likely to find cheap tickets from SYD to BFS if you book early. Airlines often offer some fantastic early bird deals.

  • If you're flexible with your travel plans, use the 'Whole month' search function. It'll give you the lowest price across every month when looking for a flight from Sydney (Kingsford Smith) Airport to Belfast International Airport.

  • Finding cheap flights from SYD to BFS is a cinch with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know when a lower fare pops up.

  • Pick your preferred arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Sydney (Kingsford Smith) Airport to Belfast International Airport.

Handy information about Sydney (Kingsford Smith) Airport (SYD)

  • 69.62% of flights departing from Sydney (Kingsford Smith) Airport make it to their destination on schedule.

  • Central Sydney to Sydney (Kingsford Smith) Airport is approximately 18 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're driving, ride-sharing or catching a cab.

  • The trip when using public transport takes about 25 minutes.

  • Taking an early flight from Sydney (Kingsford Smith) Airport to Belfast International Airport? Avoid the last-minute rush to the terminal (and catch some extra z's) by picking one of these stays near SYD:

Arriving at Belfast International Airport (BFS)

Getting from Belfast International Airport (BFS) to central Belfast

  • Belfast International Airport is approximately 32 kilometres from the centre of Belfast. The drive time takes around 30 minutes.

  • When travelling on public transport, expect a journey time of around 2 hours.

When to fly to Belfast International Airport (BFS)

  • August is the most popular month for flights from Sydney (Kingsford Smith) Airport to Belfast International Airport. For a quieter experience, head to Belfast in January.

  • Book your flight from Sydney (Kingsford Smith) Airport to Belfast International Airport for July if you'd like to explore Belfast during its warmest month. Expect temperatures of between 10ºC (50ºF) and 19ºC (66ºF).

  • Search for cheap tickets from SYD to BFS in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 1ºC (34ºF) and 8ºC (46ºF) on average.

Explore more of United Kingdom

  • Birmingham is just one of the many places in United Kingdom waiting to be discovered once you've seen the sights of Belfast. Around 354 kilometres away to the south-east, top sights here include Cadbury World, The Library of Birmingham and National Sea Life Centre.

  • Bristol is another favourite destination in United Kingdom and is around 418 kilometres south-east of Belfast. No journey is complete without seeing Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.