In terms of precipitation, rainfall in Belfast Intl Airport ranges from 50.0 - 90.0 inches per month. October is typically the wettest month, when rainfall can reach 90.0 mm. April is typically the driest time to visit Belfast Intl Airport when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Belfast Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What is the cheapest time of day to fly from SYD to BFS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sydney to Belfast Intl Airport as you normally would.

What airport do you fly from for flights from Sydney to Belfast Intl?

If you book a flight to Belfast Intl from Sydney, you will be flying from Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 4.6 mi from the center of Sydney. There are 0 flights from Kingsford Smith to Belfast Intl per day from 0 different airlines.

Can I find deals for flights from Sydney to Belfast Intl that include hotel bookings?

Yes. In addition to deals on Sydney to Belfast Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Sydney to Belfast Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Belfast Intl.

Can I find deals for business class flights from Sydney to Belfast Intl?

Yes. Cheapflights offers flight deals from Sydney to Belfast Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£287+ Cheap Flights from Sydney to Belfast Intl Airport

Cheap flight deals from Sydney to Belfast Intl

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Sydney to Belfast Intl
Explore the most affordable flight options available from Sydney to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 November 2026.

Sun 22/1116:50 -

3 stops35h 25m

Thu 26/1107:20 -

3 stops43h 15m

Deal found 5/11£968

Wed 23/1216:50 -

2 stops32h 10m

Wed 30/1214:25 -

2 stops29h 05m

Deal found 8/11£1,414

Sun 20/1209:20 -

2 stops35h 50m

Sun 27/1217:10 -

2 stops26h 40m

Deal found 5/11£1,985

Mon 21/1215:10 -

2 stops31h 20m

Mon 28/1214:35 -

2 stops32h 25m

Deal found 6/11£2,110

Find flight deals from Sydney to Belfast Intl

Round-trip from	£968
One-way from	£287

22/11-26/11
6 total stops
78h 40m total
Sydney to Belfast

Search Deals

15/1-31/12
3 total stops
43h 05m total
Sydney to Belfast

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Sydney to Belfast Intl Airport that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

SydneyBelfast

SYD Sydney Kingsford Smith - BFS Belfast Intl

SYDBFS

Sydney Kingsford Smith

Fri 15/1

10:30-18:35

3 stops43h 05m

Belfast Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£287

SydneyBelfast

SYD Sydney Kingsford Smith - BFS Belfast Intl

SYDBFS

Sydney Kingsford Smith

Wed 31/3

16:50-21:05

2 stops38h 15m

Belfast Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£514

SydneyBelfast

SYD Sydney Kingsford Smith - BFS Belfast Intl

SYDBFS

Sydney Kingsford Smith

Thu 15/4

13:00-15:30

3 stops35h 30m

Belfast Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£528

SydneyBelfast

SYD Sydney Kingsford Smith - BFS Belfast Intl

SYDBFS

Sydney Kingsford Smith

Mon 14/12

12:00-20:10

2 stops43h 10m

Belfast Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£609

SydneyBelfast

SYD Sydney Kingsford Smith - BFS Belfast Intl

SYDBFS

Sydney Kingsford Smith

Sat 12/12

17:45-20:15

3 stops37h 30m

Belfast Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£627

SydneyBelfast

SYD Sydney Kingsford Smith - BFS Belfast Intl

SYDBFS

Sydney Kingsford Smith

Tue 15/12

21:30-20:55

2 stops34h 25m

Belfast Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£776

SydneyBelfast

SYD Sydney Kingsford Smith - BFS Belfast Intl

SYDBFS

Sydney Kingsford Smith

Sun 22/11

16:50-17:15

3 stops35h 25m

Belfast Intl

Thu 26/11

07:20-13:35

3 stops43h 15m

£968

Fastest return journey

SydneyBelfast

SYD Sydney Kingsford Smith - BFS Belfast Intl

SYDBFS

Sydney Kingsford Smith

Wed 16/12

06:00-20:55

2 stops25h 55m

Belfast Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£1,249

SydneyBelfast

SYD Sydney Kingsford Smith - BFS Belfast Intl

SYDBFS

Sydney Kingsford Smith

Wed 23/12

16:50-14:00

2 stops32h 10m

Belfast Intl

Wed 30/12

14:25-06:30

2 stops29h 05m

£1,414

SydneyBelfast

SYD Sydney Kingsford Smith - BFS Belfast Intl

SYDBFS

Sydney Kingsford Smith

Thu 17/12

06:00-20:55

2 stops25h 55m

Belfast Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£1,464

Flights are sorted by cheapest return flights first.

Deals found on 8/11

Showing 1-10 of 12 resultsSorted by cheapest first

Best time to book a flight from Sydney to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from Sydney with our price prediction graph.

SYD-BFS

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

What airport do you fly from for flights from Sydney to Belfast Intl?
If you book a flight to Belfast Intl from Sydney, you will be flying from Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 4.6 mi from the center of Sydney. There are 0 flights from Kingsford Smith to Belfast Intl per day from 0 different airlines.
Can I find deals for flights from Sydney to Belfast Intl that include hotel bookings?
Yes. In addition to deals on Sydney to Belfast Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Sydney to Belfast Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Belfast Intl.
Can I find deals for business class flights from Sydney to Belfast Intl?
Yes. Cheapflights offers flight deals from Sydney to Belfast Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheap flights from Sydney to Belfast Intl Airport from £287

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Sydney to Belfast Intl

Cheapest flights from Sydney to Belfast IntlExplore the most affordable flight options available from Sydney to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 November 2026.

Explore the most affordable flight options available from Sydney to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 November 2026.

Best flights from Sydney to Belfast IntlDiscover carefully curated flight deals from Sydney to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 November 2026.

Discover carefully curated flight deals from Sydney to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 November 2026.

Last-minute flights from Sydney to Belfast IntlDiscover last-minute flight deals from Sydney to Belfast Intl. Data last updated 9 November 2026 and is based on user searches.

Discover last-minute flight deals from Sydney to Belfast Intl. Data last updated 9 November 2026 and is based on user searches.

One-way flights from Sydney to Belfast IntlSearch for one-way flight options from Sydney to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated 9 November 2026.

Search for one-way flight options from Sydney to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated 9 November 2026.

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Use the filters below to find and compare flights from Sydney to Belfast Intl Airport that are best for you.

Best time to book a flight from Sydney to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from Sydney with our price prediction graph.

Related info for your journey

What airport do you fly from for flights from Sydney to Belfast Intl?

Can I find deals for flights from Sydney to Belfast Intl that include hotel bookings?

How can I find direct flights from Sydney to Belfast Intl?

Can I find deals for business class flights from Sydney to Belfast Intl?

Travelling to a place near Belfast Intl Airport?

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Other flights to Belfast Intl

Explore flights to Belfast Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 9 November 2026.

Complete your trip

Complete your trip to Belfast Intl by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Northern Ireland

Book a non-stop flight to one of these other cities located in Northern Ireland.

Search flights from Sydney to Belfast Intl by cabin class

Find flights from Sydney to Belfast Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Sydney and Belfast Intl flights

Browse other Sydney and Belfast Intl flight options. Last updated on 9 November 2026.

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Can Cheapflights notify me if prices for flights from Sydney to Belfast Intl become cheaper?

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Cheapest flights from Sydney to Belfast Intl
Explore the most affordable flight options available from Sydney to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 November 2026.

Best flights from Sydney to Belfast Intl
Discover carefully curated flight deals from Sydney to Belfast Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 November 2026.

Last-minute flights from Sydney to Belfast Intl
Discover last-minute flight deals from Sydney to Belfast Intl. Data last updated 9 November 2026 and is based on user searches.

One-way flights from Sydney to Belfast Intl
Search for one-way flight options from Sydney to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated 9 November 2026.