You have to book by June 5 at the latest. There is a seven-day advance purchase required to book tickets at these rates. All travel within North America must be completed by June 28 as part of this promotion. For international destinations, you must depart by June 30 and return by July 15 at the latest. Airport and international taxes are not added in to the prices quoted above.
Tickets are nonrefundable and subject to availability on each flight.