To celebrate their 48th birthday Southwest airlines is offering one-way flights for as low as $49.

If you want to get away the tickets are good for flights in the continental U.S. and between the Hawaiian Islands between September 3 and December 18.

If you want to fly international the deals are good for travel between September 3 and December 11.

If you want to take advantage of the deals hurry and get to Southwest’s website the sale ends June 20.