Southwest is currently running a Fall Travel Sale through Thursday (tomorrow!) for travel from August 13 - November 14. Check out the detailed list of the fares by city here.Depending on distance theses prices apply for nonstop flights:Flights 0-500 miles: $49Flights 501-1300 miles: $99 Flights over 1301 miles are $139Travel is valid every day of the week for nonstop flights except Friday or Sundays and the blackout dates are August 18, August 30, September 3 and September 4 (Labor Day holiday).Here’s a quick example of flights from New York LGA to Baltimore/Washington BWI - it’s hard to beat a $98 roundtrip.Even if you’re not sure of your travel plans, the great thing about Southwest is, if you need to cancel, the airline doesn’t charge any change or cancellation fees, so you will just receive a Southwest credit good for future travel in the full amount.Fare MatchingSign up for our daily newsletterEmail addressSign upI would like to subscribe to The Points Guy newsletters and special email promotions. The Points Guy will not share or sell your email. See privacy policy.Even if you aren’t a Southwest flyer, some of the legacy airlines such as Delta and United are matching these fares depending on the route, but note that just like Southwest, these only apply to non-stop flightsTerms and Conditions:Fares available only on southwest.com or swabiz.com.14-day advance purchase required.Purchase from June 12 through June 14, 2012, 11:59 pm Pacific Time.Travel August 13 through November 14, 2012.Blackout Dates Apply: August 18, August 30, September 3, and September 4, 2012.Travel valid every day except Fridays & Sundays.Advertised fares valid on nonstop service only. Mileage is determined by air mileage between your origin and destination.Advertised fares on connecting flights will be slightly higher due to government taxes and fees.The fares you see now include all government taxes and fees.Seats are limited. Fares may vary by destinations, flight, and day of week and won’t be available on some flights that operate during very busy travel times and holiday periods.Fares are available for one-way travel.Fares may be combined with other Southwest Airlines combinable fares. If combining with other fares, the most restrictive fare’s rules apply.Fares are nonrefundable but may be applied toward future travel on Southwest Airlines.Fares are not available through Group Desk.Any change in itinerary may result in an increase in fare. Standby travel requires an upgrade to the Anytime fare.Fares are subject to change until ticketed.Offer applies to published, scheduled service only[card card-name=‘Chase Sapphire Preferred® Card’ card-id=‘22125056’ type=‘javascript’ bullet-id=‘1’]