$809+ 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 20/11. Fares are subject to change and may not be available on all flights or dates of travel.
— BHD
30 Nov — 7 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 31 October 2025.

Return from

$1,917

One-way from

$809

Popular in

July

Cheapest in

June

Average price

$2,059
25/11-2/12
  • 25/11-2/12
  • 4 total stops
  • 77h 35m total
  • Sydney to Belfast
20/11
  • 20/11
  • 3 total stops
  • 59h 25m total
  • Sydney to Belfast
Highest demand for flights based on searches. 8% potential increase in price ($200 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease ($135 potential savings vs. average return price).
Average for return flights in October 2025

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 31 October 2025.

Fri 7/1120:05SYD - BFS
3 stops37h 30mMultiple Airlines
Fri 21/1108:05BFS - SYD
2 stops35h 30mMultiple Airlines
Deal found 29/10$1,832
Fri 7/1121:15SYD - BHD
3 stops34h 35mMultiple Airlines
Fri 21/1116:50BHD - SYD
2 stops26h 45mMultiple Airlines
Deal found 29/10$1,981
Fri 7/1116:20SYD - BHD
2 stops27h 05mBritish Airways
Fri 21/1117:40BHD - SYD
2 stops26h 15mBritish Airways
Deal found 29/10$2,054
Mon 17/1116:20SYD - BHD
2 stops29h 20mBritish Airways
Sun 18/106:30BHD - SYD
2 stops37h 25mBritish Airways
Deal found 29/10$3,059
Tue 16/1212:00SYD - BFS
2 stops33h 05mMultiple Airlines
Tue 23/1217:05BFS - SYD
3 stops42h 25mMultiple Airlines
Deal found 29/10$3,312
Tue 30/1215:55SYD - BHD
2 stops29h 35mMultiple Airlines
Tue 20/115:05BHD - SYD
2 stops28h 30mMultiple Airlines
Deal found 29/10$3,694
Mon 17/1115:30SYD - BHD
2 stops30h 10mMultiple Airlines
Sun 18/115:10BHD - SYD
3 stops31h 10mMultiple Airlines
Deal found 29/10$3,862

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 31 October 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

Thu 12/3

16:20-10:20

2 stops29h 00m

Belfast City

Mon 16/3

17:45-06:55

2 stops26h 10m

$1,932

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 11/3

16:20-10:15

2 stops28h 55m

Belfast City

Sun 15/3

10:40-06:55

2 stops33h 15m

$1,932

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 11/3

11:15-16:50

2 stops40h 35m

Belfast City

Sun 15/3

06:30-07:30

3 stops38h 00m

$2,730

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 12/3

12:10-16:50

2 stops39h 40m

Belfast City

Mon 16/3

06:30-07:30

3 stops38h 00m

$2,916

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Mon 17/11

16:20-10:40

2 stops29h 20m

Belfast City

Sun 18/1

06:30-06:55

2 stops37h 25m

$3,059

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Tue 16/12

12:00-10:05

2 stops33h 05m

Belfast Intl

Tue 23/12

17:05-22:30

3 stops42h 25m

$3,312

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 20/11

20:05-20:30

3 stops59h 25m

$809

Flights are sorted by cheapest return flights first.

Deals found on 28/10

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 28 hours 55 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 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 31 October 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.

Food

6.3

Crew

7.6

Comfort

6.7

Overall

6.7

Boarding

6.9

Entertainment

6.4

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.

Food

6.3

Crew

7.6

Comfort

6.7

Overall

6.7

Boarding

6.9

Entertainment

6.4

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 (28 hours 55 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

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Airports serving Belfast

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

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