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

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Qantas Airways Flight 521 Route Deals From $116

The cheapest prices found with in the last 7 days for return flights were $191 and $116 for one-way flights to Kingsford Smith Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Mar 15 - Thu, Mar 19
BNE
Brisbane
SYD
Kingsford Smith Intl.
$191 Roundtrip, found 5 hours ago
$191
Roundtrip
found 5 hours ago
Select Qantas Airways flight, departing Sun, Mar 15 from Brisbane to Kingsford Smith Intl., returning Thu, Mar 19, priced at $191 found 5 hours ago
Sun, Jan 25 - Mon, Jan 26
BNE
Brisbane
SYD
Kingsford Smith Intl.
$231 Roundtrip, found 12 hours ago
$231
Roundtrip
found 12 hours ago
Select Qantas Airways flight, departing Sun, Jan 25 from Brisbane to Kingsford Smith Intl., returning Mon, Jan 26, priced at $231 found 12 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.