Cheap flights from Seattle to St. Louis

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 Seattle to St. Louis every day. Note that deals are compiled on yesterday's lowest airfares and can change often.

Featured flight deal from Seattle to St. Louis

• Seattle (SEA) to Saint Louis (STL)

  $160 less than average low on record

  $291

  Fares rising

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

Lowest fares from Seattle to St. Louis

Use our flexible travel graph to find the lowest airfare from Seattle to St. Louis. Currently the cheapest flight you can find in the next 30 days from Seattle to St. Louis departs on 06/09/2012 and returns 06/12/2012 with a low fare of $310.

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