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IAD to GAU: distance & flight time
Washington (Washington Dulles International Airport) → Guwahati (Lokpriya Gopinath Bordoloi International Airport)
7,887 mi
12,693 km · 6,853 nm
15h 56m
estimated nonstop flight time
+9.5h
time difference · heading north
See live IAD→GAU fares Phone-only fares on this route — call free
Flight time details
7,887 miles nonstop takes roughly 15h 56m gate to gate, flying north. 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
- GAU — Lokpriya Gopinath Bordoloi International Airport · Guwahati, India
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 GAU
- SHL · Shillong Airport37 mi away
- ZYL · Osmany International Airport81 mi away
- TEZ · Tezpur Airport85 mi away
- GLU · Gelephu Airport88 mi away
Frequently asked questions
How far is IAD from GAU?
The flight distance from Washington (IAD) to Guwahati (GAU) is 7,887 miles (12,693 km, 6,853 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to GAU?
A nonstop flight takes about 15h 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 Guwahati?
Guwahati is 9.5 hours ahead of Washington.
What is the cheapest way to fly from IAD to GAU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–GAU that never appear on search engines, with no booking fees.