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Cheap flights from Sydney to Belfast Intl Airport from $1,833

SYD — BFS
24 Oct — 31 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Belfast Intl

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Belfast Intl

Thu 5/1111:25 -
2 stops33h 45m
Thu 12/1106:30 -
2 stops26h 55m
Deal found 21/9$1,833
Wed 4/1116:50 -
2 stops34h 25m
Wed 11/1106:25 -
2 stops26h 55m
Deal found 20/9$1,871

Find flight deals from Sydney to Belfast Intl

Round-trip from

$1,833
5/11-12/11
  • 5/11-12/11
  • 4 total stops
  • 60h 40m total
  • Sydney to Belfast
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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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SydneyBelfast

SYD Sydney Kingsford Smith - BFS Belfast Intl

SYDBFS

Sydney Kingsford Smith

Thu 5/11

11:25-10:10

2 stops33h 45m

Belfast Intl

Thu 12/11

06:30-20:25

2 stops26h 55m

$1,833

SydneyBelfast

SYD Sydney Kingsford Smith - BFS Belfast Intl

SYDBFS

Sydney Kingsford Smith

Wed 4/11

16:50-16:15

2 stops34h 25m

Belfast Intl

Wed 11/11

06:25-20:20

2 stops26h 55m

$1,871

SydneyBelfast

SYD Sydney Kingsford Smith - BFS Belfast Intl

SYDBFS

Sydney Kingsford Smith

Fri 1/1

09:20-12:50

2 stops38h 30m

Belfast Intl

Fri 15/1

06:30-07:20

2 stops37h 50m

$2,887

Flights are sorted by cheapest return flights first.

Deals found on 21/9

Sorted 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.
Estimated return price

Reviews of airlines servicing Belfast Intl

Check out reviews from past customers who have flown with British Airways from Sydney to Belfast Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
8,227 reviews
Check prices

Comfort

6.8

Crew

7.7

Boarding

7.0

Entertainment

6.5

Food

6.4

Overall

6.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sept 2026

LUX - LHR

Cancelled flight extended my travel time by over 10 hours and no one was available to.assist with accommodation during a 15 hour layover.
British Airways
6.7
Okay
8,227 reviews
British Airways
6.7
Okay
8,227 reviews
Check prices

Comfort

6.8

Crew

7.7

Boarding

7.0

Entertainment

6.5

Food

6.4

Overall

6.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sept 2026

LUX - LHR

Cancelled flight extended my travel time by over 10 hours and no one was available to.assist with accommodation during a 15 hour layover.

Related info for your journey

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

    Sydney Kingsford Smith (SYD), located 7.5 km from the city centre, is the airport you fly out of when you book flights from Sydney to Belfast Intl. 1 airline have flights from Kingsford Smith to Belfast Intl on a regular basis. Booking flights from Sydney Kingsford Smith to Belfast Intl should not be difficult; the airport handles an average of 0 outbound flights to Belfast Intl per day.

  • What is the cheapest airline to fly from Sydney to Belfast Intl Airport round-trip?

    According to our current data, British Airways ($1,799), offers the cheapest pricing from Sydney to Belfast Intl Airport.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Sydney to Belfast Intl

Sydney to Belfast City flights

Top airline flying from Sydney to Belfast Intl

AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$1,799Average$2,170FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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