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IAD to YEC: distance & flight time
Washington (Washington Dulles International Airport) → Yechon (Yecheon Airbase)
6,963 mi
11,205 km · 6,050 nm
14h 7m
estimated nonstop flight time
+13h
time difference · heading north
See live IAD→YEC fares Phone-only fares on this route — call free
Flight time details
6,963 miles nonstop takes roughly 14h 7m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- YEC — Yecheon Airbase · Yechon, South Korea
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 YEC
Frequently asked questions
How far is IAD from YEC?
The flight distance from Washington (IAD) to Yechon (YEC) is 6,963 miles (11,205 km, 6,050 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to YEC?
A nonstop flight takes about 14h 7m 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 Yechon?
Yechon is 13 hours ahead of Washington.
What is the cheapest way to fly from IAD to YEC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–YEC that never appear on search engines, with no booking fees.