Washington, D.C. To Saint Louis
- Travel distance: 710 miles = 1143 kilometers
- Airline options: American Airlines, United Airlines, Delta Airlines, Spirit Airlines, Frontier Airlines
- Weekly flights: 250+
- Average flight duration: 2 hours 23 minutes
- Nearest airport to Washington: Baltimore Washington (BWI)
- Nearest airport to Saint Louis: St. Louis Lambert International Airport (JAX)
Time difference between Washington, D.C (United Sates) and Saint Louis (United Sates) is 1 hours.