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IAD to GIU: distance & flight time
Washington (Washington Dulles International Airport) → Sigiriya (Sigiriya Air Force Base)
8,907 mi
14,334 km · 7,740 nm
17h 56m
estimated nonstop flight time
+9.5h
time difference · heading northeast
See live IAD→GIU fares Phone-only fares on this route — call free
Flight time details
8,907 miles nonstop takes roughly 17h 56m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.5-hour time gain when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- GIU — Sigiriya Air Force Base · Sigiriya, Sri Lanka
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 IAD
Near GIU
- HIM · Hingurakgoda Air Force Base18 mi away
- ACJ · Anuradhapura Air Force Base31 mi away
- TRR · China Bay Airport51 mi away
- BTC · Batticaloa Airport67 mi away
Frequently asked questions
How far is IAD from GIU?
The flight distance from Washington (IAD) to Sigiriya (GIU) is 8,907 miles (14,334 km, 7,740 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to GIU?
A nonstop flight takes about 17h 56m 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 Sigiriya?
Sigiriya is 9.5 hours ahead of Washington.
What is the cheapest way to fly from IAD to GIU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–GIU that never appear on search engines, with no booking fees.