Check out the Southwest low fare calendar for an idea of what flights are available in your region. One of our favorite sites for cheap flights, Southwest regularly holds sales with ultra-low fares.

Southwest Airlines is out with a new promotion with one-way flights starting at just $39 — but only if you book soon, as this promotion ends on August 21. With this offer, you can travel from ...

Sample flights We always like to use the Low Fare Calendar option on the Southwest website to search for the best prices during sales like this.