Allegiant Air and United Airlines operate nonstop flights from Dulles (IAD) to Jacksonville (JAX). The nonstop flight takes around ~1h 16m, covering 631 miles (1,016 km). Updated 11 June 2026.
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Yes, Allegiant Air and United Airlines operate nonstop flights from Dulles (IAD) to Jacksonville (JAX).
Allegiant Air, United Airlines operate nonstop flights from Dulles to Jacksonville.
The nonstop flight from Dulles to Jacksonville takes ~1h 16m (approximately 1016 km).