Lufthansa's new deal features flights between Boston or New York City and London, Paris, Rome, Vienna, and more. Book tickets by Thursday, March 19 for travel in March and April.
Frontier's new sale features flights between Denver and Chicago, Orlando, Los Cabos, San Jose, and other cities. Book tickets by Wednesday, March 11, for travel into late August.
This new offer from Alaska Airlines features last-minute flights to Kauai and the Big Island. Departures are available from a handful of cities in Washington State, and tickets must be booked by March 12.
Dallas, San Francisco, and Washington, D.C. are among the cities included in American's latest domestic sale. Travel is valid through late May, and tickets must be purchased by March 16.
