But you have to book today!

Travelers looking to book a winter getaway to popular locations across the U.S. for cheap can now snag round-trip flights for as little as $78 with Alaska Airlines’ latest flash sale.

The airline is offering flights that start as low as $39 one-way, though travelers will need to act fast as the deals are only available for booking through Dec. 5.

Flights are available for travel between Jan. 8 and March 6, with blackout dates from Feb. 14–25.

Domestic flights start at $39 one-way between locations like Las Vegas and Los Angeles, while $49 will get passengers one-way flights between Las Vegas and San Francisco and between Los Angeles and San Francisco.

Some top domestic deals include $69 one-way flights from Burbank to Portland and from Seattle to Las Vegas, $79 one-way flights from Austin to San Diego and from Burbank to Seattle, $89 one-way flights from San Francisco to Nashville, $99 one-way flights from Chicago to Los Angeles and to Portland, $119 one-way flights from Boston to Los Angeles and to San Francisco, $119 one-way flights from Washington, D.C. to Los Angeles, and $129 one-way flights from Boston to Portland.

Those looking for a sun-soaked getaway will also find flights to Hawaii for $189 one-way from Seattle to Maui, $189 one-way from Los Angeles to Honolulu, and $199 one-way from Los Angeles to Maui.

There are also deals to several locations in Mexico. These include Los Cabos, with flights starting at $109 one-way from San Diego, Orange County, and Los Angeles, and from $169 one-way from Seattle.

Los Angeles fliers can also take advantage of $109 one-way flights to Mazatlan, $119 one-way flights to Guadalajara, $119 one-way flights to Manzanillo, and $129 one-way flights to Ixtapa.