Direct flights from St Louis to Dulles STL → IAD

United Airlines operates nonstop flights from St Louis (STL) to Dulles (IAD). The nonstop flight takes around ~1h 24m, covering 695 miles (1,118 km). Updated 11 June 2026.

United Airlines UA

Departure Schedule next 7 days

More nonstops from St Louis

STL → ATL Atlanta 3 airlines STL → PDX Portland 2 airlines STL → EWR Newark STL → CUN Cancún 3 airlines STL → DEN Denver 3 airlines STL → LGA New York 3 airlines STL → PHX Phoenix 3 airlines STL → BOS Boston 2 airlines

Frequently asked questions

Is there a direct flight from St Louis to Dulles?

Yes, United Airlines operates nonstop flights from St Louis (STL) to Dulles (IAD).

Which airlines fly direct from St Louis to Dulles?

United Airlines operates nonstop flights from St Louis to Dulles.

How long is the flight from St Louis to Dulles?

The nonstop flight from St Louis to Dulles takes ~1h 24m (approximately 1118 km).

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