Southwest Airlines is celebrating its 46th birthday with a sale!
They are offering tickets for as little as $39 one-way to destinations across the United States, Latin America, and the Caribbean.
There are round trip tickets inside the United States available for as little $77.96. There are hundreds of routes available, and some flights out of the country as well.
The cheapest flights are on short regional flights but more exciting places are discounted as well.
The flash-sale flights are for Mondays through Thursdays until December 16. Of course there are some blackout dates, like Thanksgiving weekend.
A few sample fares from Denver include:
San Antonio, TX starting at $104
Cabo San Lucas/Los Cabos, MX starting at $178
St. Louis, MO starting at $89
Las Vegas, NV starting at $85
Jacksonville, FL starting at $149
Austin, TX starting at $91
The deals are only available for a limited time. You have to book by 11:59 p.m. in the departure city's time zone on June 15 (Tomorrow).
Get tickets here.