sentences:  Air Canada flies to Sydney and Brisbane from Vancouver using the airline's new Boeing 777 and 787 aircraft.Air Canada has flown to Melbourne with its seasonal service from 3 December 2017 to 4 February 2018, however, they will return with a year-round service by 3 June 2018.Connecting flights are available on Air Canada to London Heathrow Airport, Frankfurt and with Star Alliance partner Lufthansa to Frankfurt and Munich (though these flights currently only operate on a seasonal basis in summer).