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STK to IAD: distance & flight time
Sterling (Sterling Municipal Airport) → Washington (Washington Dulles International Airport)
1,370 mi
2,205 km · 1,191 nm
3h 27m
estimated nonstop flight time
+2h
time difference · heading east
See live STK→IAD fares Phone-only fares on this route — call free
Flight time details
1,370 miles nonstop takes roughly 3h 27m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- STK — Sterling Municipal Airport · Sterling, 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 STK
- AKO · Colorado Plains Regional Airport30 mi away
- SNY · Sidney Municipal-Lloyd W Carr Field37 mi away
- DEN · Denver International Airport91 mi away
- GXY · Greeley–Weld County Airport73 mi away
Frequently asked questions
How far is STK from IAD?
The flight distance from Sterling (STK) to Washington (IAD) is 1,370 miles (2,205 km, 1,191 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STK to IAD?
A nonstop flight takes about 3h 27m 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 Sterling and Washington?
Washington is 2 hours ahead of Sterling.
What is the cheapest way to fly from STK to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STK–IAD that never appear on search engines, with no booking fees.