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$1,635+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
— BHD
4 May — 11 May1
1 adult

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 29 April 2025.

Return from

$1,635

Popular in

December

Cheapest in

June

Average price

$2,142
12/6-19/6
  • 12/6-19/6
  • 4 total stops
  • 84h 25m total
  • Sydney to Belfast
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($609 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($125 potential savings vs. average return price).
Search Deals
Average for return flights in April 2025
Search Deals

Find flight deals to Belfast

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 29 April 2025.

Thu 12/611:00SYD - BFS
2 stops42h 35mMultiple Airlines
Thu 19/606:10BFS - SYD
2 stops41h 50mMultiple Airlines
Deal found 28/4$1,635
Sun 25/514:40SYD - BHD
2 stops27h 25mBritish Airways
Tue 24/620:20BHD - SYD
2 stops35h 50mBritish Airways
Deal found 28/4$2,268
Sun 25/513:05SYD - BHD
2 stops36h 50mKLM
Tue 24/608:30BHD - SYD
3 stops37h 00mKLM
Deal found 28/4$2,698
Thu 25/914:40SYD - BHD
2 stops29h 30mMultiple Airlines
Sat 11/1010:15BHD - SYD
3 stops34h 05mMultiple Airlines
Deal found 28/4$2,921

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 29 April 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

Thu 12/6

11:00-20:35

2 stops42h 35m

Belfast Intl

Thu 19/6

06:10-09:00

2 stops41h 50m

$1,635

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Sun 25/5

14:40-09:05

2 stops27h 25m

Belfast City

Tue 24/6

20:20-17:10

2 stops35h 50m

$2,268

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Sun 25/5

13:05-16:55

2 stops36h 50m

Belfast City

Tue 24/6

08:30-06:30

3 stops37h 00m

$2,698

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 25/9

14:40-11:10

2 stops29h 30m

Belfast City

Sat 11/10

10:15-06:20

3 stops34h 05m

$2,921

Flights are sorted by cheapest return flights first.

Deals found on 28/4

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 29 hours 30 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 $1,054

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 29 April 2025.
KLM
7.8
Good
1,333 reviews
Check prices

Overall

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.7

Food

7.2

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,333 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Overall

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.7

Food

7.2

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
British Airways
6.6
Okay
6,834 reviews
KLM
7.8
Good
1,333 reviews
Check prices

Overall

7.8

Entertainment

7.1

Crew

8.4

Comfort

7.7

Food

7.2

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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 (29 hours 0 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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