$61+ Cheap flights from Belfast

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BHD — SYD
8 Feb — 15 Feb1
1 adult
1 adult, Economy, 0 bags

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Cheapest flights from Belfast
Explore the most affordable flight options available from Belfast. Find the lowest fares based on data from user searches, with prices last updated on 9 January 2026.

Fri 1/516:25BHD - SYD
2 stops35h 10mMultiple Airlines
Mon 25/521:45SYD - BHD
2 stops44h 15mMultiple Airlines
Deal found 7/1$1,448
Wed 22/411:30BHD - SYD
2 stops35h 55mMultiple Airlines
Wed 6/514:15SYD - BHD
2 stops32h 15mMultiple Airlines
Deal found 7/1$1,461
Mon 2/208:50BFS - SYD
2 stops41h 45mMultiple Airlines
Mon 9/321:30SYD - BFS
2 stops33h 40mMultiple Airlines
Deal found 7/1$1,482
Tue 3/212:15BHD - SYD
2 stops38h 20mMultiple Airlines
Mon 9/312:00SYD - BHD
2 stops36h 35mMultiple Airlines
Deal found 7/1$1,485
Mon 2/210:05BHD - SYD
2 stops40h 30mMultiple Airlines
Mon 9/312:00SYD - BHD
2 stops36h 35mMultiple Airlines
Deal found 7/1$1,488
Mon 2/206:30BFS - SYD
2 stops44h 05mMultiple Airlines
Sun 15/212:00SYD - BFS
2 stops43h 10mMultiple Airlines
Deal found 8/1$1,559
Mon 27/406:10BFS - BNE
2 stops30h 00mMultiple Airlines
Thu 21/510:10BNE - BFS
2 stops42h 20mMultiple Airlines
Deal found 6/1$1,559
Thu 12/317:45BHD - BNE
2 stops28h 30mChina Southern
Mon 16/310:15BNE - BHD
2 stops66h 25mChina Southern
Deal found 8/1$1,580
Wed 11/311:25BHD - SYD
2 stops35h 00mChina Southern
Sun 15/322:00SYD - BHD
2 stops55h 35mChina Southern
Deal found 8/1$1,583
Thu 12/311:05BHD - SYD
2 stops35h 20mChina Southern
Mon 16/322:00SYD - BHD
2 stops55h 40mChina Southern
Deal found 6/1$1,594
Sun 1/207:25BHD - SYD
2 stops36h 05mMultiple Airlines
Mon 9/312:00SYD - BHD
2 stops36h 35mMultiple Airlines
Deal found 7/1$1,604
Sun 1/209:25BFS - SYD
2 stops34h 05mMultiple Airlines
Mon 9/312:00SYD - BFS
2 stops43h 10mMultiple Airlines
Deal found 7/1$1,630

Find flights from Belfast within your budget

 
Find flights departing from Belfast that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 9 January 2026. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Sydney

Route

Depart

Return

Price

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 22/4

11:30-08:25

2 stops35h 55m

Sydney Kingsford Smith

Wed 6/5

14:15-13:30

2 stops32h 15m

$1,461

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Tue 3/2

06:00-13:35

2 stops44h 35m

Sydney Kingsford Smith

Mon 9/3

21:30-20:10

2 stops33h 40m

$1,482

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Mon 2/2

08:50-13:35

2 stops41h 45m

Sydney Kingsford Smith

Mon 9/3

21:30-20:10

2 stops33h 40m

$1,482

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Tue 3/2

12:15-13:35

2 stops38h 20m

Sydney Kingsford Smith

Mon 9/3

12:00-13:35

2 stops36h 35m

$1,485

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Mon 2/2

10:05-13:35

2 stops40h 30m

Sydney Kingsford Smith

Mon 9/3

12:00-13:35

2 stops36h 35m

$1,488

BelfastSydney

BFS - SYD

BFSSYD

Belfast Intl

Mon 2/2

06:30-13:35

2 stops44h 05m

Sydney Kingsford Smith

Sun 15/2

12:00-20:10

2 stops43h 10m

$1,559

BelfastBrisbane

BFS - BNE

BFSBNE

Belfast Intl

Mon 27/4

06:10-21:10

2 stops30h 00m

Brisbane

Thu 21/5

10:10-19:30

2 stops42h 20m

$1,559

BelfastBrisbane

BHD - BNE

BHDBNE

Belfast City

Mon 27/4

07:00-21:10

2 stops29h 10m

Brisbane

Thu 21/5

10:10-18:40

2 stops41h 30m

$1,577

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Thu 12/3

17:45-09:25

2 stops28h 40m

Sydney Kingsford Smith

Mon 16/3

22:00-18:40

2 stops55h 40m

$1,583

BelfastSydney

BHD - SYD

BHDSYD

Belfast City

Wed 11/3

11:25-09:25

2 stops35h 00m

Sydney Kingsford Smith

Sun 15/3

22:00-18:35

2 stops55h 35m

$1,583

Flights are sorted by cheapest return flights first.

Deals found on 8/1

Showing 1-10 of 32 results
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Best time to book a flight from Belfast

Have a flexible travel schedule? Discover the best time to fly from 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.

Travel insights for flights from Belfast

Get recent, data-driven insights about flights from Belfast including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Belfast?

Currently, November is the cheapest month in which you can book a flight from Belfast (average of $1,800). Flying from Belfast in August will prove the most costly (average of $2,791). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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Related info for your journey

Access useful and relevant information related to your journey from Belfast. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 9 January 2026.

  • What is the cheapest month to fly from Belfast?

    Currently, the cheapest month for flights from Belfast is November. The most expensive month for flights is August. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

  • How does Cheapflights help users find flights from Belfast?

    Cheapflights helps you search for flights from Belfast via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

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

  • Can Cheapflights find flights from Belfast with no change fees?

    Yes! Cheapflights helps users easily find flights from Belfast with no change fees.

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

    Not ready to book yet? You can track prices for flights from Belfast on Cheapflights with our Price Alerts feature and get notified when better prices are available.

See more FAQs

Fly with Cheapflights

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How does Cheapflights help users find flights from Belfast?

Cheapflights helps you search for flights from Belfast via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

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

Can Cheapflights find flights from Belfast with no change fees?

Yes! Cheapflights helps users easily find flights from Belfast with no change fees.

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

Not ready to book yet? You can track prices for flights from Belfast on Cheapflights with our Price Alerts feature and get notified when better prices are available.

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