Southwest Airlines is launching twice-daily service between Washington Reagan National Airport and Lambert-St. Louis International Airport on September 30.

Southwest Airlines is launching twice-daily service between Washington Reagan National Airport (DCA) and Lambert-St. Louis International Airport (STL) on September 30.

To promote the new route, Southwest Airlines is offering an introductory fare of $139 one-way in either direction on the route when purchased at www.southwest.com or swabiz.com through August 6 at 11:59 p.m. PT.


In 2012 Southwest Airlines' U.S. domestic network grows to 73 airports and the carrier has begun serving many of the nation's largest and most-congested airports. Future service growth is likely to lie in offering more linkages among the existing list of destinations, adding more U.S. destinations and ― in future years ― beginning international service to Canada, Mexico and the Caribbean

This fare is available for travel on Tuesdays, Wednesdays, and Saturdays between October 2 and November 14, 2012 (with a blackout on October 6).

Southwest Airlines began service to Washington Reagan National Airport on July 8, with daily non-stop, round-trip service to Austin.

The new St. Louis service is made possible by Southwest’s recent purchase of four slots at DCA for services within the airport’s government-mandated 1,250-mile service perimeter for most flights.

Southwest Airlines also has been expanding its presence in St. Louis, a market the carrier has served for more than 25 years. Southwest is the largest carrier at Lambert-St. Louis International Airport, with 94 departures a day currently, and DCA is the airline’s 34th destination from the airport.

Dallas-based Southwest has recently added flights between STL and destinations such as Newark, Nashville, New Orleans, Raleigh-Durham, Milwaukee, and Seattle.

The carrier also will begin service between St. Louis and both New York LaGuardia and San Antonio on August 12.

To find hotel deals in Washington, D.C., click here. To find hotel deals in St. Louis, visit here.

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