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Cheap flights from Sydney to Belfast City Airport from $2,431

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/9. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — BHD
8 Jul — 15 Jul1
1 adult

Cheap flight deals from Sydney to Belfast City

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Belfast City (BHD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 3 July 2025.

Round-trip from

$2,431

Popular in

June

Cheapest in

January

Average price

$2,362
British Airways
  • British Airways
  • 25/9-11/10
  • 4 total stops
  • 78h 50m total
  • Sydney to Belfast
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($270 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($118 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Sydney to Belfast City

Cheapest flights from Sydney to Belfast City
Explore the most affordable flight options available from Sydney to Belfast City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.

Thu 25/914:40SYD - BHD
2 stops29h 30mBritish Airways
Sat 11/1019:00BHD - SYD
2 stops49h 20mBritish Airways
Deal found 1/7$2,431
Thu 25/914:40SYD - BHD
2 stops29h 30mMultiple Airlines
Sat 11/1010:15BHD - SYD
3 stops34h 05mMultiple Airlines
Deal found 3/7$2,834
Tue 30/1215:55SYD - BHD
2 stops35h 55mKLM
Tue 20/117:20BHD - SYD
3 stops27h 05mKLM
Deal found 1/7$3,289

Cheapflights Fare Finder

Customise your flight search to find flights from Sydney to Belfast City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 3 July 2025.
Use the filters below to find and compare flights from Sydney to Belfast City Airport that are best for you.

Fly from

Sydney

Fly to

Belfast City

Route

Depart

Return

Price

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Thu 25/9

14:40-11:10

2 stops29h 30m

Belfast City

Sat 11/10

19:00-06:20

2 stops49h 20m

$2,431

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

$2,834

SydneyBelfast

SYD - BHD

SYDBHD

Sydney Kingsford Smith

Tue 30/12

15:55-16:50

2 stops35h 55m

Belfast City

Tue 20/1

17:20-07:25

3 stops27h 05m

$3,289

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Best time to book a flight from Sydney to Belfast City

Have a flexible travel schedule? Discover the best time to fly to Belfast City from Sydney 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 from Sydney to Belfast City Airport

What is the cheapest time of day to fly from SYD to BHD?

Find hourly flight availability from Sydney to Belfast City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 July 2025.

It’s optimal to fly from Sydney to Belfast City Airport in the afternoon. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight at midday.

How much does it cost for a return flight from Sydney to Belfast City Airport?

Reviews of airlines servicing Belfast City

Get insights into the airlines that provide service to Belfast City. 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 City. Reviews last updated 3 July 2025.
Read reviews from past customers who have flown with KLM and British Airways from Sydney to Belfast City Airport. 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.
KLM
7.8
Good
1,366 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,June 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,366 reviews
KLM
7.8
Good
1,366 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,June 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
British Airways
6.6
Okay
7,089 reviews
KLM
7.8
Good
1,366 reviews
Check prices

Boarding

7.8

Overall

7.8

Comfort

7.7

Crew

8.4

Entertainment

7.1

Food

7.2

Reviews

1 / 20
4.0
Okay

Anonymous,June 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Belfast City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Sydney to Belfast City?

    Most people fly from Sydney Kingsford Smith (SYD) if they book a flight from Sydney to Belfast City. On average, Kingsford Smith has 0 outbound flights to Belfast City per day from 1 airline. Sydney Kingsford Smith is conveniently located just 7.5 km from Sydney’s city centre.

  • What are the cheapest airlines flying from Sydney to Belfast City Airport round-trip?

    Currently priced at $2,431, British Airways will fly you from Sydney to Belfast City Airport and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on KLM for as low as $3,630.

  • Can I find deals for flights from Sydney to Belfast City that include hotel bookings?

    Yes. In addition to deals on Sydney to Belfast City flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Belfast City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Belfast City.

  • Can I find deals for business class flights from Sydney to Belfast City?

    Yes. Cheapflights offers flight deals from Sydney to Belfast City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sydney to Belfast City

See prices for flight routes from nearby airports that may be better suited for you.
Sydney to Belfast Intl flights

Top airline flying from Sydney to Belfast City

Discover the top airline that operate flights from Sydney to Belfast City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 3 July 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$1,931Average$2,283FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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 from Sydney to Belfast City?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Sydney to Belfast City. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights simply makes it quick and affordable to book flights from Sydney to Belfast City by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Sydney to Belfast City with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Sydney to Belfast City, users can toggle the no change fees filter when performing a flight search.

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

Of course! You can now track prices for flights from Sydney to Belfast City and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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