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STI to DCA: distance & flight time
Santiago (Cibao International Airport) → Washington (Ronald Reagan Washington National Airport)
1,398 mi
2,249 km · 1,214 nm
3h 30m
estimated nonstop flight time
Same time
time difference · heading north
See live STI→DCA fares Phone-only fares on this route — call free
Flight time details
1,398 miles nonstop takes roughly 3h 30m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- STI — Cibao International Airport · Santiago, Dominican Republic
- DCA — Ronald Reagan Washington National Airport · Washington, 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 STI
Near DCA
Frequently asked questions
How far is STI from DCA?
The flight distance from Santiago (STI) to Washington (DCA) is 1,398 miles (2,249 km, 1,214 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STI to DCA?
A nonstop flight takes about 3h 30m 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 cheapest way to fly from STI to DCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STI–DCA that never appear on search engines, with no booking fees.