Which airlines fly to Belfast Intl Airport?

Based on our data, the most popular airlines that fly to Belfast Intl Airport from Australia are British Airways and Qatar Airways. There may also be other airline options depending on where in Australia you’re flying from.

How long does it take to fly to Belfast Intl Airport?

Flight times from Australia to Belfast Intl Airport vary, but if you’re flying out of Sydney Kingsford Smith and flying into Belfast Intl (one of the most popular routes), then the duration is 28h 55m on average. Another popular route from Australia to Belfast Intl Airport is flying from Melbourne to Belfast Intl, which will take roughly 30h 05m. Keep in mind that layovers or delays could extend your travel time.

$1,113 Find Cheap Flights to Belfast Intl Airport (BFS) in 2025/26

Look for other cheap flights to Belfast Intl

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Australia to Belfast Intl Airport

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

17:55 - 22:20MEL-BFS

39h 25m3 stops

14:35 - 10:00BFS-MEL

32h 25m2 stops

$2,102Multiple Airlines

Find Deal

Wed, 10 Dec - Wed, 31 Dec

17:55 - 22:20MEL-BFS

39h 25m3 stops

14:35 - 10:00BFS-MEL

32h 25m2 stops

$2,109Multiple Airlines

Find Deal

Wed, 10 Dec - Wed, 31 Dec

17:55 - 22:20MEL-BFS

39h 25m3 stops

07:15 - 10:00BFS-MEL

39h 45m3 stops

$2,216Multiple Airlines

Find Deal

Wed, 10 Dec - Wed, 31 Dec

17:55 - 22:20MEL-BFS

39h 25m3 stops

07:15 - 10:00BFS-MEL

39h 45m3 stops

$2,222Multiple Airlines

Find Deal

Wed, 10 Dec - Wed, 31 Dec

12:00 - 18:20MEL-BFS

41h 20m2 stops

06:00 - 10:00BFS-MEL

41h 00m2 stops

$2,407Multiple Airlines

Find Deal

Wed, 10 Dec - Wed, 31 Dec

12:00 - 18:00MEL-BFS

41h 00m2 stops

06:00 - 10:00BFS-MEL

41h 00m2 stops

$2,410Multiple Airlines

Find Deal

Wed, 10 Dec - Wed, 31 Dec

12:00 - 10:05MEL-BFS

33h 05m2 stops

09:25 - 14:05BFS-MEL

41h 40m2 stops

$2,554Multiple Airlines

Find Deal

Sun, 14 Dec - Sun, 21 Dec

01:00 - 09:20MEL-BFS

43h 20m3 stops

14:35 - 09:45BFS-MEL

32h 10m3 stops

$2,575Multiple Airlines

Find Deal

Tue, 16 Dec - Wed, 24 Dec

22:40 - 20:10MEL-BFS

32h 30m3 stops

06:30 - 05:00BFS-MEL

35h 30m3 stops

$2,792Multiple Airlines

Find Deal

Mon, 29 Dec - Tue, 20 Jan

12:00 - 10:05SYD-BFS

33h 05m2 stops

06:30 - 10:00BFS-SYD

40h 30m2 stops

$2,841Multiple Airlines

Find Deal

Mon, 15 Dec - Mon, 22 Dec

Fly from

Route

Depart

Return

Price

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Wed 10/12

17:55-22:20

3 stops39h 25m

Belfast Intl

Wed 31/12

14:35-10:00

2 stops32h 25m

$2,102

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Wed 10/12

17:55-22:20

3 stops39h 25m

Belfast Intl

Wed 31/12

14:35-10:00

2 stops32h 25m

$2,109

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Wed 10/12

17:55-22:20

3 stops39h 25m

Belfast Intl

Wed 31/12

07:15-10:00

3 stops39h 45m

$2,216

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Wed 10/12

17:55-22:20

3 stops39h 25m

Belfast Intl

Wed 31/12

07:15-10:00

3 stops39h 45m

$2,222

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Wed 10/12

12:00-18:20

2 stops41h 20m

Belfast Intl

Wed 31/12

06:00-10:00

2 stops41h 00m

$2,407

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Wed 10/12

12:00-18:00

2 stops41h 00m

Belfast Intl

Wed 31/12

06:00-10:00

2 stops41h 00m

$2,410

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Sun 14/12

12:00-10:05

2 stops33h 05m

Belfast Intl

Sun 21/12

09:25-14:05

2 stops41h 40m

$2,554

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Tue 16/12

01:00-09:20

3 stops43h 20m

Belfast Intl

Wed 24/12

14:35-09:45

3 stops32h 10m

$2,575

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Mon 29/12

22:40-20:10

3 stops32h 30m

Belfast Intl

Tue 20/1

06:30-05:00

3 stops35h 30m

$2,792

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Mon 15/12

12:00-10:05

2 stops33h 05m

Belfast Intl

Mon 22/12

06:30-10:00

2 stops40h 30m

$2,841

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

Flights to Belfast Intl Airport – Travel Insights & Trends

Get data-powered insights and trends for flights to Belfast Intl Airport to help you craft the best travel plan.

Prices

Other information

What is the cheapest day to depart on your flight to Belfast Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Belfast Intl Airport. Tickets to fly out on this day can be as low as $2,064. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Australia to Belfast Intl Airport for around $2,438.

What is the cheapest time of day to depart on your flight to Belfast Intl Airport?

According to our data, the cheapest time of day to fly to Belfast Intl Airport is in the afternoon. momondo users have found flights departing from Australia to Belfast Intl Airport in the afternoon for as low as $2,196. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive, with an average ticket price of $3,495.

Cheapest flights to Belfast Intl

Find the cheapest flights to Belfast Intl from your nearest city or airport

Find flights from Sydney to Belfast Intl Airport

CHEAPEST MONTH TO FLY TO BELFAST INTL AIRPORT FROM SYDNEY	June	23% cheaper	Flying from Sydney to Belfast Intl Airport costs on average just $1,598 in June
MOST EXPENSIVE MONTH TO FLY TO BELFAST INTL AIRPORT FROM SYDNEY	July	74% more expensive	It costs about $3,594 for flights to Belfast Intl Airport from Sydney in July
MOST POPULAR MONTH TO FLY TO BELFAST INTL AIRPORT FROM SYDNEY	December	250% more users visited	More momondo users searched in flights to Belfast Intl Airport from Sydney in December than any other month

Cheap Belfast Intl Airport flight deals and tips

Summary info about Belfast Intl Airport flight prices, duration and airlines

Best One-Way Price	$1,113
Best Round-Trip Price	$2,102
Fastest flight time	34h 00m
Popular in	July

The best one-way flight price to Belfast from Australia in the last 72 hours is $1,113 (Sydney Kingsford Smith to Belfast Intl).

Search Deals

The best round-trip flight price to Belfast from Australia in the last 72 hours is $2,102 (Melbourne to Belfast Intl).

Search Deals

The fastest flight to Belfast from Australia takes 34h 00m (Sydney Kingsford Smith to Belfast Intl).

Search Deals

July has the highest demand for flights to Belfast, with a 7% price increase on average.

Search Deals

Frequently asked questions about flying to Belfast Intl Airport

What is the cheapest month to fly to Belfast Intl Airport?

In general, when looking for the cheapest flight to Belfast Intl Airport, try to choose a flight departing in June for the best deal.

What is the cheapest day to depart on your flight to Belfast Intl Airport?

From most locations, the cheapest day to fly to Belfast Intl Airport is Wednesday. Most users found that departing on a Sunday was most expensive.

What is the cheapest time of day to fly to Belfast Intl Airport?

In general, when looking for the cheapest flight to Belfast Intl Airport, our data indicates that Midday flights are the most cost-effective. Evening flights tend to be the most expensive.

Is there an alternative airport near Belfast Intl Airport?

Finding an alternative and possibly cheaper destination airport near Belfast Intl Airport is possible. If you are planning a flight to Belfast Intl Airport, consider booking flights to Belfast City Airport (4 km from Belfast city centre), Londonderry Eglinton Airport (93 km from Belfast city centre), Campbeltown Machrihanish Airport (95 km from Belfast city centre), Isle of Islay Glenegedale Airport (122 km from Belfast city centre) or Glasgow Prestwick Airport (132 km from Belfast city centre).

Is there a cheaper alternative to flying into Belfast?

You can find deals at Belfast City Airport for $209 on average, but that price can change based on your departure airport. To save money, try momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to Belfast Intl Airport?

Prices for flights to Belfast Intl Airport are updated daily.

How many operators does momondo search for flights to Belfast Intl Airport?

The number of operators available for flights to Belfast Intl Airport is 3 as of November 2025.

How old do you have to be to fly to Belfast Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Belfast Intl Airport.

What documentation or ID do you need to fly to Belfast Intl Airport?

The travel and health documents required for your trip to Belfast Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Belfast Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal to Belfast?

We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.

Can I find flights to Belfast with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for flights to Belfast to just show those with flexible booking policies.

How can momondo help me find flights to Belfast?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to Belfast.

I’m not ready to book a flight to Belfast right now. Can momondo alert me if prices change?

Yes. momondo can track flight prices for Belfast and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.