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STS to IAD: distance & flight time
Santa Rosa (Charles M. Schulz Sonoma County Airport) → Washington (Washington Dulles International Airport)
2,419 mi
3,893 km · 2,102 nm
5h 13m
estimated nonstop flight time
+3h
time difference · heading east
See live STS→IAD fares Phone-only fares on this route — call free
Flight time details
2,419 miles nonstop takes roughly 5h 13m 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
- IAD — Washington Dulles International 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
Frequently asked questions
How far is STS from IAD?
The flight distance from Santa Rosa (STS) to Washington (IAD) is 2,419 miles (3,893 km, 2,102 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STS to IAD?
A nonstop flight takes about 5h 13m 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 IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STS–IAD that never appear on search engines, with no booking fees.