It’s a Deal: Southwest Airlines Flights from $39

To celebrate its 39th year of flying, Southwest Airlines is holding a sale with flights up to 450 miles for $39, flights 451-1,000 miles for $79, and flights 1,001 miles and up for $119 each way. Tickets must be booked by June 24, with flights valid for travel between September 8 and November 17. More details here.