Flights St Louis — Washington is a popular route. The straight-line distance is 1 141 km. Flight time 1h 51m. Time difference +1h.
From St Louis (STL) flights depart from 1 airport: STL. To Washington (WAS) — 2 arrival airports: BWI, DCA.
2 airlines operate on this route: Frontier Airlines, Southwest Airlines.
Cheapest day to fly — Sunday.