Qantas Airways Flight 521 Deals & Information (2026/2027)

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Qantas Airways Flight 521 Route Deals From $131

The cheapest prices found with in the last 7 days for return flights were $223 and $131 for one-way flights to Kingsford Smith Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Feb 5 - Tue, Feb 10
BNE
Brisbane
SYD
Kingsford Smith Intl.
$223 Roundtrip, found 1 hour ago
$223
Roundtrip
found 1 hour ago
Select Qantas Airways flight, departing Thu, Feb 5 from Brisbane to Kingsford Smith Intl., returning Tue, Feb 10, priced at $223 found 1 hour ago
Thu, Jan 29 - Mon, Feb 2
BNE
Brisbane
SYD
Kingsford Smith Intl.
$225 Roundtrip, just found
$225
Roundtrip
just found
Select Qantas Airways flight, departing Thu, Jan 29 from Brisbane to Kingsford Smith Intl., returning Mon, Feb 2, priced at $225 just found
Sat, Jan 31 - Tue, Feb 3
BNE
Brisbane
SYD
Kingsford Smith Intl.
$226 Roundtrip, just found
$226
Roundtrip
just found
Select Qantas Airways flight, departing Sat, Jan 31 from Brisbane to Kingsford Smith Intl., returning Tue, Feb 3, priced at $226 just found
Thu, Jan 29 - Sun, Feb 1
BNE
Brisbane
SYD
Kingsford Smith Intl.
$228 Roundtrip, found 1 hour ago
$228
Roundtrip
found 1 hour ago
Select Qantas Airways flight, departing Thu, Jan 29 from Brisbane to Kingsford Smith Intl., returning Sun, Feb 1, priced at $228 found 1 hour ago
Thu, Jan 29 - Fri, Feb 6
BNE
Brisbane
SYD
Kingsford Smith Intl.
$265 Roundtrip, found 8 hours ago
$265
Roundtrip
found 8 hours ago
Select Qantas Airways flight, departing Thu, Jan 29 from Brisbane to Kingsford Smith Intl., returning Fri, Feb 6, priced at $265 found 8 hours ago

Frequently asked questions

What route does flight number QF521 take?
QF521 travels from Brisbane Airport (BNE) to SYD and flies direct. This journey takes 1 hour and 35 minutes.
What terminal does QF521 fly out of?
You'll likely be jetting out of Terminal D if you're booked on flight number QF521 direct from BNE to Kingsford Smith Intl. Airport (SYD).
What kind of plane is on flight number QF521?
The route for flight number QF521 is almost always BNE to Kingsford Smith Intl. Airport (SYD), and the Boeing 737-800 is the type of plane you'll probably be taking off on.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your QF521 flight with Travelocity, please visit our Customer Service Portal.