Qantas Airways Flight 521 Deals & Information (2025/2026)

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Qantas Airways Flight 521 Route Deals From $105

The cheapest prices found with in the last 7 days for return flights were $150 and $105 for one-way flights to Kingsford Smith Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jun 5 - Mon, Jun 23
BNE
Brisbane
SYD
Kingsford Smith Intl.
$150 Roundtrip, found 4 days ago
$150
Roundtrip
found 4 days ago
Select Qantas Airways flight, departing Thu, Jun 5 from Brisbane to Kingsford Smith Intl., returning Mon, Jun 23, priced at $150 found 4 days ago
Thu, Jun 5 - Mon, Jun 23
BNE
Brisbane
SYD
Kingsford Smith Intl.
$195 Roundtrip, found 4 days ago
$195
Roundtrip
found 4 days ago
Select Qantas Airways flight, departing Thu, Jun 5 from Brisbane to Kingsford Smith Intl., returning Mon, Jun 23, priced at $195 found 4 days 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.