Is there a direct flight from St Louis to Washington?

Yes, American Airlines and Southwest Airlines operate nonstop flights from St Louis (STL) to Washington (DCA).

Which airlines fly direct from St Louis to Washington?

American Airlines, Southwest Airlines operate nonstop flights from St Louis to Washington.

The nonstop flight from St Louis to Washington takes ~1h 27m (approximately 1154 km).

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✈ ~1h 27m 1,154 km STL on-time 78.6% DCA on-time 66.3%

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American Airlines AA

Southwest Airlines WN