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$856+ Cheap flights to Belfast

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
— BHD
24 Dec — 31 Dec1
1 adult
1 adult, Economy, 0 bags

Flights to Belfast in 2025

Find the latest flights to Belfast in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 24 November 2025.

Return from

$2,082

One-way from

$1,308

Popular in

July

Cheapest in

June

Average price

$2,132
British Airways
  • British Airways
  • 4/3-8/3
  • 4 total stops
  • 75h 20m total
  • Sydney to Belfast
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15/12
  • 15/12
  • 3 total stops
  • 51h 35m total
  • Sydney to Belfast
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($174 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($124 potential savings vs. average return price).
Search Deals
Average for return flights in November 2025
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Find flight deals to Belfast

Enter your travel dates to find the best prices.

Cheapest flights to Belfast
Explore the most affordable flight options available to Belfast. Find the lowest fares based on data from user searches, with prices last updated on 24 November 2025.

Tue 30/1222:00SYD - BHD
2 stops46h 10mMultiple Airlines
Tue 20/111:25BHD - SYD
2 stops35h 00mMultiple Airlines
Deal found 22/11$2,914
Thu 18/1222:00SYD - BHD
2 stops45h 25mMultiple Airlines
Wed 31/1217:40BHD - SYD
2 stops28h 45mMultiple Airlines
Deal found 21/11$3,090
Thu 18/1211:15SYD - BFS
3 stops45h 50mMultiple Airlines
Tue 30/1208:00BFS - SYD
3 stops42h 35mMultiple Airlines
Deal found 21/11$3,110
Thu 18/1211:15SYD - BFS
3 stops45h 50mMultiple Airlines
Wed 31/1212:35BFS - SYD
3 stops35h 10mMultiple Airlines
Deal found 21/11$3,357
Tue 30/1215:50SYD - BHD
2 stops28h 25mQatar Airways
Tue 20/117:15BHD - SYD
2 stops26h 35mQatar Airways
Deal found 21/11$3,883
Thu 18/1222:00SYD - BHD
2 stops45h 25mMultiple Airlines
Tue 30/1217:15BHD - SYD
2 stops29h 10mMultiple Airlines
Deal found 21/11$4,112
Tue 30/1211:10SYD - BHD
3 stops40h 40mKLM
Tue 20/117:20BHD - SYD
2 stops51h 15mKLM
Deal found 22/11$5,606

Cheapflights Fare Finder

 
Locate flights to Belfast that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 24 November 2025.
Use the filters below to find and compare flights to Belfast that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 4/3

16:20-09:10

2 stops27h 50m

Belfast City

Sun 8/3

20:25-06:55

2 stops47h 30m

$2,082

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Tue 20/1

21:30-17:55

2 stops31h 25m

Belfast Intl

Sat 24/1

10:35-06:30

2 stops32h 55m

$2,157

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Tue 30/12

22:00-09:10

2 stops46h 10m

Belfast City

Tue 20/1

11:25-09:25

2 stops35h 00m

$2,914

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 4/3

10:25-16:50

2 stops41h 25m

Belfast City

Sun 8/3

06:30-07:30

3 stops38h 00m

$2,923

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 18/12

22:00-08:25

2 stops45h 25m

Belfast City

Wed 31/12

17:40-09:25

2 stops28h 45m

$3,090

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Tue 6/1

20:45-21:40

2 stops35h 55m

Belfast Intl

Tue 13/1

07:15-06:15

3 stops36h 00m

$3,734

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Tue 30/12

15:50-09:15

2 stops28h 25m

Belfast City

Tue 20/1

17:15-06:50

2 stops26h 35m

$3,883

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 18/12

22:00-08:25

2 stops45h 25m

Belfast City

Tue 30/12

17:15-09:25

2 stops29h 10m

$4,112

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Fri 15/5

20:45-21:30

3 stops57h 45m

$856

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Mon 15/12

21:50-14:25

3 stops51h 35m

$1,308

Flights are sorted by cheapest return flights first.

Deals found on 21/11

Showing 1-10 of 11 results
1
2

Best time to book a flight to Belfast

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

Cheapflights Insights

Everything you need to know about your flight to Belfast

How long is the flight to Belfast?

On average, a flight from Sydney to Belfast takes 27 hours 50 minutes. Flights to Belfast from other popular cities in Australia will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Belfast?

The most popular airline flying from Sydney to Belfast is British Airways.

British Airways
British Airways
From $1,632
Qatar Airways
Qatar Airways
From $2,363
Malaysia Airlines
Malaysia Airlines
From $1,878

What are the cheapest airlines that fly to Belfast?

The cheapest airline flying from Sydney to Belfast is British Airways.

Rainfall in Belfast by month

Plan your trip to Belfast by taking into account the average rainfall totals by month.

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

Temperature in Belfast by month

Plan your trip to Belfast by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Belfast, 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).

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast. Reviews last updated 24 November 2025.
Read reviews from past customers who have flown British Airways to the United Kingdom. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,535 reviews
Check prices

Crew

7.6

Entertainment

6.4

Boarding

6.9

Food

6.3

Overall

6.7

Comfort

6.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

ALG - LGW

Didn't like anything from this flight starting with the lady at the counter. Nasty attitude.
British Airways
6.7
Okay
7,535 reviews
British Airways
6.7
Okay
7,535 reviews
Check prices

Crew

7.6

Entertainment

6.4

Boarding

6.9

Food

6.3

Overall

6.7

Comfort

6.7

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

ALG - LGW

Didn't like anything from this flight starting with the lady at the counter. Nasty attitude.

FAQs about flying to Belfast

  • Can I find cheaper flights to Belfast if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Belfast on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Belfast?

    Based on reviews from Cheapflights users, British Airways is rated the highest out of the airlines that fly to Belfast.

  • Where does the fastest flight to Belfast depart from?

    For those looking to save time traveling to Belfast, Sydney Kingsford Smith offers the quickest one-way flight (27 hours 50 minutes).

  • Does Belfast Intl have car hire?

    Yes. Those touching down at Belfast Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Belfast Intl?

    Yes. Belfast Intl has hotels nearby for those requiring accommodations. Maldron Hotel Belfast Airport is the closest property to Belfast Intl (0.0 km away from Belfast Intl).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Airports serving Belfast

Book a flight to or from one of these Belfast airports.
Flights to Belfast Intl
Flights to Belfast City
Flights from Belfast Intl
Flights from Belfast City

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