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IAD to SIF: distance & flight time
Washington (Washington Dulles International Airport) → Simara (Simara Airport)
7,731 mi
12,442 km · 6,718 nm
15h 38m
estimated nonstop flight time
+9.8h
time difference · heading north
See live IAD→SIF fares Phone-only fares on this route — call free
Flight time details
7,731 miles nonstop takes roughly 15h 38m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.8-hour time gain when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- SIF — Simara Airport · Simara, Nepal
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 SIF
- KTM · Tribhuvan International Airport44 mi away
- BHR · Bharatpur Airport49 mi away
- MEY · Meghauli Airport54 mi away
- JKR · Janakpur Airport66 mi away
Frequently asked questions
How far is IAD from SIF?
The flight distance from Washington (IAD) to Simara (SIF) is 7,731 miles (12,442 km, 6,718 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to SIF?
A nonstop flight takes about 15h 38m 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 IAD to SIF?
Nonstop service on IAD–SIF 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 38m nonstop estimate.
What is the time difference between Washington and Simara?
Simara is 9.8 hours ahead of Washington.
What is the cheapest way to fly from IAD to SIF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–SIF that never appear on search engines, with no booking fees.
Why are some IAD to SIF fares phone-only?
Consolidator contracts let us sell certain IAD–SIF 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.