Southwest Airlines via DealBase offers 1-way fares nationwide
with prices starting at $39
. (Click on "Southwest Airlines" in the top line on the landing page to see this sale.) That's the lowest price we've seen for domestic 1-way fares from Southwest Airlines. It's also a current low for select routes by $8. This price is valid on flights departing from Indianapolis, IN, (IND) with arrival in Washington D.C. (DCA) on September 16. Book this travel deal by September 3 for travel from September 8, 2015 through March 3, 2016. Click here
to see more routes.