Montreal (YUL) to Sydney (SYD) flight deal in premium economy from $3,297

Sunday, December 20th, 2026

5 round-trip options

Returning
Sun, Dec 27, 20267 Day Trip
$5,575 USD
Returning
Mon, Dec 28, 20268 Day Trip
$5,290 USD
Returning
Tue, Dec 29, 20269 Day Trip
$5,290 USD
Returning
Fri, Jan 1, 202712 Day Trip
$5,652 USD
Returning
Sun, Jan 3, 202714 Day Trip
$10,479 USD