Direct flights from Dulles to St Louis IAD → STL

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

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Departure Schedule next 7 days

Frequently asked questions

Is there a direct flight from Dulles to St Louis?

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

Which airlines fly direct from Dulles to St Louis?

United Airlines operates nonstop flights from Dulles to St Louis.

How long is the flight from Dulles to St Louis?

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

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