The bookings must be made on the airline’s official website, available at www.vietnamairlines.com, using the promo code PR30SYD117 and for travel until June 30.The national carrier launched the new direct service from Hanoi to Sydney in March, using new-generation aircraft Boeing 787-9 Dreamliner. The 4-star flight, which takes about 9 hours and 35 minutes, will be operated three times per week, bring the total number of its flight to Australia to 17 per week.The flight will depart from Hanoi at 23:55 on Tuesdays, Fridays and Sundays and return from Sydney at 15:15 (summer time) or 14:15 (winter time) on Mondays, Wednesdays and Saturdays.