Feeling like the moment to book your big 2018 vacation has come and gone? You might want to rethink that, because Southwest Airlines is offering fares as low as $49 one-way to dozens of domestic destinations, and discounted fares to select international locales.

Atlanta-based travelers can snag $49 flights to Cleveland, Nashville or Richmond, as well as $79 flights to cities like Orlando, Chicago and Dallas. Denverites are seeing $49 fares to Long Beach, California, and $79 flights to Kansas City, Phoenix and Spokane, to name a few. Texans can snag $49 flights from Houston Hobby to New Orleans, or $99 flights from San Antonio to St. Louis. To find deals from your home airport, check out the full list of sale fares.

The sale applies to domestic and international flights between August 21 and December 12. Sale fares to Puerto Rico are valid between September 5 and December 6. Book by June 7 to take advantage of the discounted fares.

Southwest is considered a low-cost carrier, but you won’t run into extra fees for things like baggage. Southwest allows up to two checked bags for free, as well as one carry-on and one personal item.

If you’ve never flown with Southwest, take note: Southwest is an open-seating airline. Instead of pre-assigned seating, passengers will receive a boarding number. Once on board the aircraft, passengers can choose any available seat. To increase your chances of getting a good seat, passengers can purchase upgraded boarding.