Now boarding: A $50 Virgin Australia Gift Voucher^
Visiting friends and family this holiday season is now even more rewarding! This week, book a Virgin Australia flight worth $150 or more in a single transaction, using your registered American Express Card and you’ll get a $50 Virgin Australia Gift Voucher^. Put it towards your next trip or use it so you can take a friend.
Offer valid for 5 days from 19 November to 23 November 2012.
I'm confused - does the $150 minimum apply to the total of all fares in the one transaction (eg return flights) or does the transaction need to contain at least one fare greater than $150 to qualify.