Find flights
Airlines

$1,849+ Cheap flights to Belfast

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/1. Fares are subject to change and may not be available on all flights or dates of travel.
— BHD
14 Dec — 21 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 14 November 2025.

Return from

$1,849

Popular in

July

Cheapest in

June

Average price

$2,101
27/1-9/2
  • 27/1-9/2
  • 4 total stops
  • 66h 50m total
  • Sydney to Belfast
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($211 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($136 potential savings vs. average return price).
Search Deals
Average for return flights in November 2025
Search Deals

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 14 November 2025.

Sun 28/1220:05SYD - BFS
3 stops36h 50mMultiple Airlines
Sun 4/115:45BFS - SYD
3 stops40h 05mMultiple Airlines
Deal found 13/11$2,822
Tue 30/1215:15SYD - BHD
2 stops52h 00mMultiple Airlines
Tue 20/117:15BHD - SYD
2 stops29h 10mMultiple Airlines
Deal found 13/11$2,908
Thu 18/1208:50SYD - BHD
3 stops35h 55mMultiple Airlines
Mon 29/1206:50BHD - SYD
3 stops39h 25mMultiple Airlines
Deal found 13/11$3,830
Sat 27/1215:15SYD - BFS
2 stops30h 40mMultiple Airlines
Sat 3/106:00BFS - SYD
3 stops28h 55mMultiple Airlines
Deal found 12/11$4,468
Thu 18/1212:00SYD - BFS
2 stops33h 20mMultiple Airlines
Mon 29/1220:55BFS - SYD
3 stops35h 55mMultiple Airlines
Deal found 13/11$4,500
Mon 17/1112:00SYD - BHD
2 stops39h 05mMultiple Airlines
Sun 30/1109:10BHD - SYD
2 stops37h 50mMultiple Airlines
Deal found 12/11$7,843

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 14 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 - BFS

SYDBFS

Sydney Kingsford Smith

Tue 27/1

21:30-20:10

2 stops33h 40m

Belfast Intl

Mon 9/2

10:20-06:30

2 stops33h 10m

$1,849

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

$1,929

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 11/3

16:20-10:15

2 stops28h 55m

Belfast City

Sun 15/3

20:25-06:55

2 stops47h 30m

$1,929

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Sun 28/12

20:05-21:55

3 stops36h 50m

Belfast Intl

Sun 4/1

15:45-18:50

3 stops40h 05m

$2,822

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

$2,858

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 12/3

06:35-21:00

3 stops49h 25m

Belfast City

Mon 16/3

06:30-10:20

2 stops40h 50m

$3,000

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 18/12

22:00-08:25

2 stops45h 25m

Belfast City

Mon 29/12

14:40-09:25

2 stops31h 45m

$4,091

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Sat 27/12

15:15-10:55

2 stops30h 40m

Belfast Intl

Sat 3/1

06:00-21:55

3 stops28h 55m

$4,468

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Thu 18/12

12:00-10:20

2 stops33h 20m

Belfast Intl

Mon 29/12

20:55-19:50

3 stops35h 55m

$4,500

Flights are sorted by cheapest return flights first.

Deals found on 13/11

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 most popular airlines that fly to Belfast?

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

British Airways
British Airways
From $1,609
Qatar Airways
Qatar Airways
From $2,329
Malaysia Airlines
Malaysia Airlines
From $1,851

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 14 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
7,520 reviews
Check prices

Crew

7.6

Comfort

6.7

Entertainment

6.4

Food

6.3

Overall

6.7

Boarding

6.9

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
7,520 reviews
British Airways
6.7
Okay
7,520 reviews
Check prices

Crew

7.6

Comfort

6.7

Entertainment

6.4

Food

6.3

Overall

6.7

Boarding

6.9

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Belfast?

Cheapflights makes it easy to find Belfast flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets to Belfast?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Belfast.

Can Cheapflights find flights to Belfast with no change fees?

Need flexible booking options for your flight to Belfast ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Belfast flights today and get alerted when prices change. To subscribe and begin receiving alerts, click the bell icon next to the flight deals above and provide your email address.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.