Porter's $60 discount on all roundtrip airfare is back. If you book by Monday (March 19) and travel by June 24, you can save $60 on roundtrip flights or $30 on one-way flights with this promo code GREEN. As usual, the promo code applies to base fares and to new bookings only. Porter flies in & out of these Canadian and US cities:

• Toronto
• Halifax
• Montreal
• Moncton
• Mont Tremblant
• Sudbury
• Ottawa
• Quebec City
• St. John's
• Thunder Bay
• New York
• Myrtle Beach
• Boston
• Chicago

If you're not familiar with Porter, they offer a full in-flight food and beverage service including free beer & wine for all passengers. If you're flying out from the Toronto City Airport and the Ottawa International Airport, you'll be able to take advantage of their free amenities at the passenger lounge including wireless Internet and a café with complimentary beverage and snacks. Visit FlyPorter.com to learn more about the "Porter Experience".