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STS to DCA: distance & flight time
Santa Rosa (Charles M. Schulz Sonoma County Airport) → Washington (Ronald Reagan Washington National Airport)
2,443 mi
3,931 km · 2,122 nm
5h 15m
estimated nonstop flight time
+3h
time difference · heading east
See live STS→DCA fares Phone-only fares on this route — call free
Flight time details
2,443 miles nonstop takes roughly 5h 15m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- STS — Charles M. Schulz Sonoma County Airport · Santa Rosa, United States
- 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 STS
- SFO · San Francisco International Airport66 mi away
- NOT · Marin County Airport - Gnoss Field29 mi away
- APC · Napa County Airport35 mi away
- UKI · Ukiah Municipal Airport47 mi away
Near DCA
Frequently asked questions
How far is STS from DCA?
The flight distance from Santa Rosa (STS) to Washington (DCA) is 2,443 miles (3,931 km, 2,122 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STS to DCA?
A nonstop flight takes about 5h 15m 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 Santa Rosa and Washington?
Washington is 3 hours ahead of Santa Rosa.
What is the cheapest way to fly from STS to DCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STS–DCA that never appear on search engines, with no booking fees.