Cheap flights from Sydney to Belfast

Travellers and cabin class

Compare Sydney to Belfast flight deals

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

Book the best Belfast fare with no extra fees

Flight deals from Sydney to Belfast

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

Find the cheapest month to fly from Sydney to Belfast

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

Alternative Sydney to Belfast routes

Looking for the cheapest, fastest or easiest route from Sydney to Belfast? You could fly into the following airports instead.

Sydney to Belfast: Flight information

The things to know before you go.
Cheapest flight found$649
Cheapest month to flyOctober

Finding cheap flights from Sydney to Belfast: Frequently asked questions

There are 2 airports in Belfast: Belfast City and Belfast International.
The best price we found for a return flight from Sydney to Belfast is $1,581. 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. But we found flights with one or more stops from $1,581.
As of March 2025, there are no flights flying from Sydney to Belfast.
The cheapest month to fly from Sydney to Belfast is usually March 2025.
If you're flying from Sydney Airport, the cheapest airport near Belfast is Belfast International – which is 19.6 km away from the centre of Belfast. We've found flights into this airport from $1,581.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to Belfast on Sunday, 4 May 2025.
No airlines currently offer direct flights between Sydney Airport and Belfast. 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 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.
In March, the average temperature is usually around 6°C. August is typically the warmest month in Belfast, when it usually averages around 17°C. You can expect the least rain in May. The coldest month is January, with temperatures averaging 4°C. The rainiest month is October.
Currently, Xiamen Airlines offers the cheapest flight tickets to Belfast.

Flying from Sydney (Kingsford Smith) Airport (SYD) to Belfast: what you need to know

  • The timezone in Belfast is UTC+0. The city is 11 hours behind Sydney, where Sydney (Kingsford Smith) Airport is located.

  • Give yourself plenty of time to make your flight from SYD to Belfast. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.

  • During popular months like July, it's a good idea to get to the airport earlier. Arrive two hours before domestic departures and four hours ahead of international flights when you travel during high season in general.

  • You can visit United Kingdom for tourism purposes without a visa if you have a passport from Australia. But before reserving your cheap tickets from Sydney (Kingsford Smith) Airport to Belfast, make sure you're up to date with the latest guidelines. Visa rules can change, and you may need some travel documentation if your trip is for work or other reasons.

  • SYD is around 18 kilometres from central Sydney. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 21 minutes or so to get there, depending on traffic. If you're taking public transport, expect the trip time to be around 27 minutes.

  • In search of a convenient hotel near SYD? If you've booked an early flight from Sydney (Kingsford Smith) Airport to Belfast, these stays will put you moments from your departure lounge:

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

  • $649 is the cheapest price we've found for a one-way ticket from Sydney (Kingsford Smith) Airport to Belfast. For a return flight on this route, the best price is $1,581. Depending on the availability when you book, these fares can change.

  • To find cheap tickets from SYD to Belfast, book as early as possible. Airlines generally offer their best fares when flights are first made available.

  • The 'Whole month' tool shows you the cheapest tickets from Sydney (Kingsford Smith) Airport to Belfast throughout the month. It's the best way to snap up a bargain if your plans aren't set in stone.

  • Getting a cheap ticket from SYD to Belfast couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as there's a better deal.

  • Tailor your travel plans with filters. Pick your ideal departure and arrival times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Sydney (Kingsford Smith) Airport to Belfast.

Airports in Belfast

Belfast International Airport (BFS)

  • Belfast International Airport (BFS) is around 32 kilometres from the centre of Belfast. With your own car rental or if you're catching a cab, the drive is around 31 minutes.

  • It'll take around 2 hours and 2 minutes if you're travelling by public transport.

  • Consider staying in a hotel close to BFS if you're catching a late flight from Sydney (Kingsford Smith) Airport to Belfast. Choose one of these options and avoid the hassle of a long transfer:

George Best Belfast City Airport (BHD)

  • George Best Belfast City Airport (BHD) is roughly 8 kilometres from central Belfast. Once you've disembarked your flight from Sydney (Kingsford Smith) Airport to Belfast, it'll take you around 12 minutes to reach the heart of the city in a cab or ride-share.

  • Public transport will get you there in about 22 minutes.

  • Hang the 'Do not disturb' sign on your door and relax at a hotel close to BHD. Here are a few options where you can check in after your flight from SYD to Belfast:

Best time to go to Belfast

  • It's time to choose your trip dates for your flight from Sydney (Kingsford Smith) Airport to Belfast. August is the most popular month to travel to Belfast. If you like a quieter atmosphere, go in February.

  • The warmest month in Belfast is July, with the temperature ranging between 10ºC and 19ºC. Lock in your flights from Sydney (Kingsford Smith) Airport to Belfast in this month if this is the type of weather you enjoy.

  • For cooler conditions, search for a cheap flight from SYD to Belfast in January when temperatures average between 1ºC and 8ºC.

More about Belfast

  • When it comes to looking for somewhere to rest your head, you'll find the top stays in Belfast right here. Check out these options once you've booked your flight from Sydney (Kingsford Smith) Airport to Belfast:

  • Titanic Belfast and Crumlin Road Gaol Visitor Attraction and Conference Centre are a couple of popular attractions to add to your Belfast itinerary. Keep the momentum going by heading to Botanic Gardens.

Complete your Belfast trip with a car rental

  • Finding you a cheap flight from Sydney (Kingsford Smith) Airport to Belfast isn't the only trick up our sleeve. Check out our car rentals in Belfast and explore on your own terms. We search for deals from trusted car rental companies and put them all in one place. Instantly compare rates and then book with no fees.

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