Latest deals
Insights
When to book
FAQs
Price Alerts
Look for other cheap flights to Belfast Intl

$1,483 Cheap flights to Belfast Intl Airport

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Belfast Intl Airport departing on 22/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Australia to Belfast Intl Airport

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:30 - 14:10
SYD
-
BFS
36h 40m
2 stops
Multiple Airlines Logo
17:30 - 10:25
BFS
-
SYD
53h 55m
2 stops
$1,662Multiple Airlines
Wed, 18 Mar - Wed, 25 Mar
Multiple Airlines Logo
15:10 - 22:05
BNE
-
BFS
40h 55m
2 stops
Multiple Airlines Logo
09:55 - 22:55
BFS
-
BNE
27h 00m
2 stops
$1,886Multiple Airlines
Thu, 19 Mar - Thu, 26 Mar
Multiple Airlines Logo
17:10 - 17:55
MEL
-
BFS
35h 45m
2 stops
Multiple Airlines Logo
10:10 - 23:20
BFS
-
MEL
26h 10m
2 stops
$2,086Multiple Airlines
Wed, 18 Mar - Wed, 25 Mar
Multiple Airlines Logo
13:10 - 16:10
MEL
-
BFS
38h 00m
3 stops
Multiple Airlines Logo
21:00 - 21:20
BFS
-
MEL
37h 20m
3 stops
$2,092Multiple Airlines
Wed, 18 Mar - Wed, 25 Mar
Multiple Airlines Logo
18:20 - 10:30
MEL
-
BFS
27h 10m
2 stops
Multiple Airlines Logo
10:10 - 07:25
BFS
-
MEL
34h 15m
3 stops
$2,117Multiple Airlines
Thu, 19 Mar - Thu, 26 Mar
Multiple Airlines Logo
11:10 - 10:05
BNE
-
BFS
32h 55m
2 stops
Multiple Airlines Logo
10:10 - 09:00
BFS
-
BNE
36h 50m
3 stops
$2,138Multiple Airlines
Wed, 18 Mar - Wed, 25 Mar
Multiple Airlines Logo
12:30 - 18:20
SYD
-
BFS
40h 50m
3 stops
Multiple Airlines Logo
10:10 - 06:35
BFS
-
SYD
33h 25m
2 stops
$2,173Multiple Airlines
Wed, 18 Mar - Wed, 25 Mar
Multiple Airlines Logo
11:10 - 17:55
BNE
-
BFS
40h 45m
2 stops
Multiple Airlines Logo
06:30 - 09:00
BFS
-
BNE
40h 30m
2 stops
$2,194Multiple Airlines
Wed, 18 Mar - Wed, 25 Mar
Multiple Airlines Logo
16:10 - 13:40
MEL
-
BFS
32h 30m
2 stops
Multiple Airlines Logo
09:55 - 06:00
BFS
-
MEL
33h 05m
2 stops
$2,301Multiple Airlines
Thu, 19 Mar - Thu, 26 Mar
Multiple Airlines Logo
11:10 - 10:10
BNE
-
BFS
33h 00m
2 stops
Multiple Airlines Logo
10:10 - 05:55
BFS
-
BNE
33h 45m
3 stops
$2,350Multiple Airlines
Thu, 19 Mar - Thu, 26 Mar

momondo Fare Finder

 
Locate flights to Belfast Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 78,305 searches and data was last updated on 3 February 2026.
Use the filters below to find and compare flights to Belfast Intl Airport that are best for you.

Fly from

Route

Depart

Return

Price

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Wed 18/3

12:30-14:10

2 stops36h 40m

Belfast Intl

Wed 25/3

17:30-10:25

2 stops53h 55m

$1,662

BrisbaneBelfast

BNE - BFS

BNEBFS

Brisbane

Thu 19/3

15:10-22:05

2 stops40h 55m

Belfast Intl

Thu 26/3

09:55-22:55

2 stops27h 00m

$1,886

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Wed 18/3

17:10-17:55

2 stops35h 45m

Belfast Intl

Wed 25/3

10:10-23:20

2 stops26h 10m

$2,086

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Wed 18/3

13:10-16:10

3 stops38h 00m

Belfast Intl

Wed 25/3

21:00-21:20

3 stops37h 20m

$2,092

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Thu 19/3

18:20-10:30

2 stops27h 10m

Belfast Intl

Thu 26/3

10:10-07:25

3 stops34h 15m

$2,117

BrisbaneBelfast

BNE - BFS

BNEBFS

Brisbane

Wed 18/3

11:10-10:05

2 stops32h 55m

Belfast Intl

Wed 25/3

10:10-09:00

3 stops36h 50m

$2,138

SydneyBelfast

SYD - BFS

SYDBFS

Sydney Kingsford Smith

Wed 18/3

12:30-18:20

3 stops40h 50m

Belfast Intl

Wed 25/3

10:10-06:35

2 stops33h 25m

$2,173

BrisbaneBelfast

BNE - BFS

BNEBFS

Brisbane

Wed 18/3

11:10-17:55

2 stops40h 45m

Belfast Intl

Wed 25/3

06:30-09:00

2 stops40h 30m

$2,194

MelbourneBelfast

MEL - BFS

MELBFS

Melbourne

Thu 19/3

16:10-13:40

2 stops32h 30m

Belfast Intl

Thu 26/3

09:55-06:00

2 stops33h 05m

$2,301

BrisbaneBelfast

BNE - BFS

BNEBFS

Brisbane

Thu 19/3

11:10-10:10

2 stops33h 00m

Belfast Intl

Thu 26/3

10:10-05:55

3 stops33h 45m

$2,350

Flights are sorted by cheapest return flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

See travel insights to Belfast Intl Airport from

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.

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 26h 55m on average. Another popular route from Australia to Belfast Intl Airport is flying from Melbourne to Belfast Intl, which will take roughly 29h. Keep in mind that layovers or delays could extend your travel time.

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 SYDNEYOctober11% cheaperFlying from Sydney to Belfast Intl Airport costs on average just $1,835 in October
MOST EXPENSIVE MONTH TO FLY TO BELFAST INTL AIRPORT FROM SYDNEYJuly61% more expensiveIt costs about $3,309 for flights to Belfast Intl Airport from Sydney in July
MOST POPULAR MONTH TO FLY TO BELFAST INTL AIRPORT FROM SYDNEYDecember216% more users visitedMore 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

$1,483

Best Round-Trip Price

$1,662

Fastest flight time

40h 00m

Popular in

July
The best one-way flight price to Belfast from Australia in the last 72 hours is $1,483 (Brisbane to Belfast Intl).
Search Deals
The best round-trip flight price to Belfast from Australia in the last 72 hours is $1,662 (Sydney Kingsford Smith to Belfast Intl).
Search Deals
The fastest flight to Belfast from Australia takes 40h 00m (Brisbane to Belfast Intl).
Search Deals
July has the highest demand for flights to Belfast, with a 5% 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 October for the best deal.

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 $165 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 February 2026.

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.

An easier way to manage your Belfast Intl trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 5/3
Thu 12/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Belfast Intl Airport BFS

Fly your favourite airline to Belfast Intl Airport

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
British Airways
Qatar Airways