Qantas Airways Flight 423 Deals & Information (2025/2026)

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Qantas Airways Flight 423 Route Deals From $131

The cheapest prices found with in the last 7 days for return flights were $261 and $131 for one-way flights to Tullamarine for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Oct 2 - Fri, Oct 3
SYD
Kingsford Smith Intl.
MEL
Tullamarine
$261 Roundtrip, found 1 hour ago
$261
Roundtrip
found 1 hour ago
Select Qantas Airways flight, departing Thu, Oct 2 from Kingsford Smith Intl. to Tullamarine, returning Fri, Oct 3, priced at $261 found 1 hour ago

Frequently asked questions

What route does flight number QF423 take?
You'll be landing into MEL from Mascot Airport if you've booked a ticket on flight number QF423. You'll be in the air for 1 hour and 35 minutes during this journey. What's more, the flight conveniently travels direct.
What terminal does QF423 fly out of?
Direct flights between SYD and Tullamarine Airport (MEL) are served by flight number QF423, and passengers booked on this flight typically leave from Terminal 3.
What kind of plane is on flight number QF423?
The route for QF423 is most commonly Mascot Airport to Tullamarine Airport (MEL), and the Boeing 737-800 is the type of plane you'll probably be traveling 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 QF423 flight with Travelocity, please visit our Customer Service Portal.