The ultra-low-cost carrier Spirit is offering four new deals for travel through September. Members of Spirit's $9 Fare Club can combine these discounts with the $18 sale fares.
ATA's latest offer features U.S. (including Hawaii) and Mexico flights. Travel is valid through mid-May.
In early May, JetBlue will offer new flights between Austin and San Francisco, Orlando, and more. Book by February 29.
United's deal includes Cancun, London, and Tokyo. Book tickets by Friday, February 22.
Northwest's new Europe deal features flights from the Northeast to Amsterdam, Paris, Rome, and more. Book by February 24.