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GAU to IAD: distance & flight time
Guwahati (Lokpriya Gopinath Bordoloi International Airport) → Washington (Washington Dulles 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 GAU→IAD 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 set-back when reading arrival times on your ticket.
The two airports
- GAU — Lokpriya Gopinath Bordoloi International Airport · Guwahati, India
- 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 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 GAU from IAD?
The flight distance from Guwahati (GAU) to Washington (IAD) 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 GAU to IAD?
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.
Are there nonstop flights from GAU to IAD?
Nonstop service on GAU–IAD depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 15h 56m nonstop estimate.
What is the time difference between Guwahati and Washington?
Washington is 9.5 hours behind Guwahati.
What is the cheapest way to fly from GAU to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAU–IAD that never appear on search engines, with no booking fees.
Why are some GAU to IAD fares phone-only?
Consolidator contracts let us sell certain GAU–IAD tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.