Cheap flights from St. Louis to Washington

Bing travel utilizes over a billion airfares on a daily basis to bring you Price Predictors, and now we're using that data to uncover cheap flights from St. Louis to Washington every day. Note that deals are compiled on yesterday's lowest airfares and can change often.

Featured flight deal from St. Louis to Washington

• Saint Louis (STL) to Washington (DCA)

  Save $186 off average low found today

  $138

  Fares rising

  View dates
  See more: Low fares from Saint Louis to Washington

Lowest fares from St. Louis to Washington

Use our flexible travel graph to find the lowest airfare from St. Louis to Washington. Currently the cheapest flight you can find in the next 30 days from St. Louis to Washington departs on 06/14/2012 and returns 06/16/2012 with a low fare of $241.

View complete flexible search for STL to DCA (modify trip length and dates)