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$722+ 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 26/5. Fares are subject to change and may not be available on all flights or dates of travel.
— BHD
13 Apr — 20 Apr1
1 adult
1 adult, Economy, 0 bags

Flights to Belfast in 2026

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 March 2026.

Wed 13/510:10
SYD
-
BHD
2 stops31h 40m
British Airways
Sun 7/619:10
BHD
-
SYD
2 stops49h 55m
British Airways
Deal found 9/3$1,749
Mon 1/620:30
SYD
-
BFS
2 stops32h 55m
Multiple Airlines
Mon 22/606:10
BFS
-
SYD
2 stops41h 50m
Multiple Airlines
Deal found 13/3$1,782
Sun 24/510:10
SYD
-
BHD
2 stops43h 25m
British Airways
Wed 24/616:05
BHD
-
SYD
2 stops43h 05m
British Airways
Deal found 9/3$1,837
Mon 1/610:10
SYD
-
BHD
2 stops31h 40m
British Airways
Tue 30/620:25
BHD
-
SYD
2 stops49h 20m
British Airways
Deal found 9/3$1,914
Sun 26/415:40
SYD
-
BFS
2 stops29h 05m
Multiple Airlines
Sun 3/517:05
BFS
-
SYD
2 stops28h 05m
Multiple Airlines
Deal found 12/3$1,938
Mon 18/510:10
SYD
-
BHD
2 stops31h 40m
British Airways
Wed 20/516:05
BHD
-
SYD
2 stops29h 40m
British Airways
Deal found 8/3$2,008
Wed 13/515:40
SYD
-
BHD
2 stops34h 40m
Multiple Airlines
Sun 7/611:05
BHD
-
SYD
2 stops34h 05m
Multiple Airlines
Deal found 10/3$2,097
Wed 8/414:50
SYD
-
BFS
2 stops31h 10m
Multiple Airlines
Wed 22/410:55
BFS
-
SYD
2 stops45h 15m
Multiple Airlines
Deal found 11/3$2,099
Mon 18/510:10
SYD
-
BHD
2 stops31h 40m
British Airways
Fri 22/519:35
BHD
-
SYD
2 stops50h 10m
British Airways
Deal found 8/3$2,101
Thu 23/414:50
SYD
-
BFS
2 stops28h 05m
Multiple Airlines
Thu 30/406:10
BFS
-
SYD
2 stops26h 00m
Multiple Airlines
Deal found 9/3$2,150
Fri 24/421:10
SYD
-
BFS
2 stops35h 10m
Multiple Airlines
Fri 1/507:35
BFS
-
SYD
2 stops29h 30m
Multiple Airlines
Deal found 10/3$2,310

Find flight deals to Belfast

Find the latest flights to Belfast in 2026, 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 March 2026.

Return from

$1,749

One-way from

$722

Popular in

July

Cheapest in

October

Average price

$3,051
British Airways
  • British Airways
  • 13/5-7/6
  • 4 total stops
  • 81h 35m total
  • Sydney to Belfast
Search Deals
26/5
  • 26/5
  • 2 total stops
  • 48h 30m total
  • Sydney to Belfast
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($398 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($115 potential savings vs. average return price).
Search Deals
Average for return flights in March 2026
Search Deals

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 March 2026.
Use the filters below to find and compare flights to Belfast that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Wed 13/5

10:10-08:50

2 stops31h 40m

Belfast City

Sun 7/6

19:10-06:05

2 stops49h 55m

$1,749

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Mon 1/6

20:30-20:25

2 stops32h 55m

Belfast Intl

Mon 22/6

06:10-09:00

2 stops41h 50m

$1,782

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Mon 1/6

10:10-08:50

2 stops31h 40m

Belfast City

Tue 30/6

20:25-06:45

2 stops49h 20m

$1,914

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Sun 26/4

15:40-11:45

2 stops29h 05m

Belfast Intl

Sun 3/5

17:05-06:10

2 stops28h 05m

$1,938

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Mon 18/5

10:10-08:50

2 stops31h 40m

Belfast City

Wed 20/5

16:05-06:45

2 stops29h 40m

$2,008

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Wed 8/4

14:50-13:00

2 stops31h 10m

Belfast Intl

Wed 22/4

10:55-17:10

2 stops45h 15m

$2,099

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Mon 18/5

10:10-08:50

2 stops31h 40m

Belfast City

Fri 22/5

19:35-06:45

2 stops50h 10m

$2,101
Fastest return journey

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Thu 23/4

14:50-09:55

2 stops28h 05m

Belfast Intl

Thu 30/4

06:10-17:10

2 stops26h 00m

$2,150

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Sun 24/5

10:10-18:45

2 stops41h 35m

Belfast City

Wed 24/6

18:20-06:45

2 stops51h 25m

$2,151

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Fri 24/4

21:10-23:20

2 stops35h 10m

Belfast Intl

Fri 1/5

07:35-22:05

2 stops29h 30m

$2,310

Flights are sorted by cheapest return flights first.

Deals found on 12/3

Showing 1-10 of 18 resultsSorted by cheapest first
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 30 hours 7 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 $2,170

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 March 2026.
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
7,786 reviews
Check prices

Comfort

6.8

Crew

7.6

Entertainment

6.4

Overall

6.7

Food

6.4

Boarding

6.9

Reviews

1 / 20
2.0
Mediocre

Natasha,Feb 2026

SEA - LHR

I already said the thing about the list luggage, which actually this flight.
British Airways
6.7
Okay
7,786 reviews
British Airways
6.7
Okay
7,786 reviews
Check prices

Comfort

6.8

Crew

7.6

Entertainment

6.4

Overall

6.7

Food

6.4

Boarding

6.9

Reviews

1 / 20
2.0
Mediocre

Natasha,Feb 2026

SEA - LHR

I already said the thing about the list luggage, which actually this flight.

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, Melbourne offers the quickest one-way flight (26 hours 35 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

Fly with Cheapflights

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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?

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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.

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