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DCA to SUS: distance & flight time
Washington (Ronald Reagan Washington National Airport) → Null (Spirit of St Louis Airport)
733 mi
1,180 km · 637 nm
2h 4m
estimated nonstop flight time
-1h
time difference · heading west
See live DCA→SUS fares Phone-only fares on this route — call free
Flight time details
733 miles nonstop takes roughly 2h 4m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- DCA — Ronald Reagan Washington National Airport · Washington, United States
- SUS — Spirit of St Louis Airport · Null, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near DCA
Near SUS
- STL · St Louis Lambert International Airport16 mi away
- ALN · St Louis Regional Airport36 mi away
- BLV · Scott AFB/Midamerica Airport45 mi away
- JEF · Jefferson City Memorial Airport81 mi away
Frequently asked questions
How far is DCA from SUS?
The flight distance from Washington (DCA) to Null (SUS) is 733 miles (1,180 km, 637 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DCA to SUS?
A nonstop flight takes about 2h 4m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Washington and Null?
Null is 1 hour behind Washington.
What is the cheapest way to fly from DCA to SUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DCA–SUS that never appear on search engines, with no booking fees.