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IAD to ICN: distance & flight time
Washington (Washington Dulles International Airport) → Seoul (Incheon International Airport)
6,943 mi
11,173 km · 6,033 nm
14h 5m
estimated nonstop flight time
+13h
time difference · heading north
See live IAD→ICN fares Phone-only fares on this route — call free
Flight time details
6,943 miles nonstop takes roughly 14h 5m 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
- ICN — Incheon International Airport · Seoul, 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 ICN
- GMP · Gimpo International Airport20 mi away
- SWU · Suwon Airport34 mi away
- SSN · Seoul Air Base (K-16)36 mi away
- OSN · Osan Air Base41 mi away
Frequently asked questions
How far is IAD from ICN?
The flight distance from Washington (IAD) to Seoul (ICN) is 6,943 miles (11,173 km, 6,033 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to ICN?
A nonstop flight takes about 14h 5m 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 Seoul?
Seoul is 13 hours ahead of Washington.
What is the cheapest way to fly from IAD to ICN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–ICN that never appear on search engines, with no booking fees.