For a selection of Lindblad Expeditions-National Geographic voyages for the rest of 2013, air is now free, the company has announced.

The following free air offers are available on select departures in 2013.  All are subject to availability and apply to new bookings only http://www.expeditions.com/special-offers/.

Alaska: Exploring Alaska's Coastal Wilderness, 8 days aboard the 62-guest National Geographic Sea Lion & National Geographic Sea Bird. http://tinyurl.com/dxgkxuw  Book by June 30, 2013 and receive complimentary round-trip airfare between Seattle and Alaska on select May and June 2014 departures.

Amazon: Upper Amazon Aboard the Delfin II, 10 days on a 28-guest stately riverboat. http://tinyurl.com/blqp5xn  Book by June 30, 2013 and receive a $500 air credit on select 2013 Upper Amazon departures; or combine a select 2013 Upper Amazon expedition with Galapagos or Machu Picchu and receive a $1,000 air credit.

Antarctica: Antarctica, South Georgia and the Falklands, 24 days aboard the 148-guest National Geographic Explorer. http://tinyurl.com/bpb8cdv  Book by June 30, 2013 to receive complimentary airfare on select 2014 departures. Airfare based on round-trip economy group flights Miami/Buenos Aires.

Antarctica: Journey to Antarctica: The White Continent, 14 days aboard the 148-guest National Geographic Explorer.  http://tinyurl.com/cpyvztr  Book by June 30, 2013 to receive complimentary airfare on select 2014 departures. Airfare based on round-trip economy group flights Miami/Buenos Aires.

Arctic:  Fabled Lands Of The North: Greenland, Baffin Island, Newfoundland and Labrador, 15 days aboard the 148-guest National Geographic  Explorer. http://tinyurl.com/boxx39w Book by May 31, 2013 to receive complimentary airfare on Ottawa to Kangerlussuaq charter flight. - a $1,200 value.  

Baja California:  Journeys In the Sea of Cortez, 8 days aboard the 62-guest National Geographic Sea Bird. http://tinyurl.com/d5e43og  Book by June 30, 2013 for free round-trip air from Los Angeles to Los Cabos on Dec. 14th or children save 50% off the voyage fare on the Dec. 21st or 28th departures when traveling with a full-fare paying adult.

Baja California:  Land & Sea Photography Retreat, 8 days aboard the 62-guest National Geographic Sea Bird. http://tinyurl.com/cnffzvt Book by June 30, 2013 for free round-trip air from Los Angeles to Los Cabos.

Costa Rica & Panama: Costa Rica and the Panama Canal, 8 days aboard the 62-guest National Geographic Sea Lion. http://tinyurl.com/bp9rdqx Book by June 30, 2013 for free round-trip air from Miami.

Costa Rica & Panama: Panama To Costa Rica + Monteverde, Arenal Volcano And Sarapiqui, 15 days aboard the  National Geographic Sea Lion. http://tinyurl.com/d2d8qhx  Book by June 30, 2013 for free round-trip air from Miami.

Galápagos: Aboard the 96-guest National Geographic Endeavour, 10 days. http://tinyurl.com/c3xqnlq Book by June 30, 2013 and KIDS FLY FREE between Miami-Galapagos on select August 2013 departures; or receive FREE ROUND-TRIP AIR for everyone on select Sept-Nov 2013 departures.

Mediterranean: Turkey And Greece: A Sailing Odyssey, 10 days aboard the 58-guest historic sailing yacht. http://tinyurl.com/bvv2msz Book a category A or B cabin and get free round-trip air from New York or choose a $1,200 air credit. We will cover tips to the crew and bar tabs for all guests aboard Sea Cloud on any 2013 Mediterranean departure.  Also, enjoy a complimentary night stay at the Electra Palace Hotel in Athens.

Pacific Northwest: Columbia & Snake Rivers Journey: Harvests, History & Landscapes, 7 days aboard the 62-guest National Geographic Sea Bird & National Geographic Sea Lion.
http://tinyurl.com/d8kc7h2 Book by June 30, 2013 for a $550 air credit on the Oct. 14 & Oct. 20 departures only.

South American East Coast:  Epic South America: Jungle Rivers, Rainforests & The Colonial Coast, 38 days aboard the 148-guest National Geographic Explorer.  http://tinyurl.com/d47hfpu Book by June 30, 2013 for complimentary economy group airfare Miami/Port of Spain, Trinidad, and returning Buenos Aires/Miami - a $2,100 value.