Cheap flights from Seoul to Washington (ICN–IAD)
South Korea
United States
Air Premia and Korean Air fly Seoul to Washington (ICN–IAD) nonstop and back, a great-circle distance of 11,170 km (6,940 mi).
- From
- ICN
- Seoul
- To
- IAD
- Washington
- Nonstop
- Yes · 2 airlines
- Airlines
- YP · KE
- Cheapest fare found
- ₩890,441 one-way
- Distance
- 11,170 km (6,940 mi)
- Time difference
- Washington 13 hours behind
- Most flights
- Korean Air
- Time in the air
- 12h 40m
- Flights a week
- YP ~1 · KE ~3
- Aircraft seen
- Boeing 777-300ER · Boeing 787-9 Dreamliner
Network data imported from airport and airline sources:· How we verify
Seoul to Washington fares by month
Cheapest one-way fare found: ₩890,441 for November 2026 on Xiamen Airlines (3 stops).
- Oct ’26₩905,163
- Nov ’26₩890,441
- Dec ’26₩898,060
- Jun ’27₩1,101,284
Cheapest one-way fares per month of departure in the Aviasales price cache, found . Fares change by the hour: the live fare is shown when you search.
When to fly ICN–IAD
For Seoul Incheon (ICN) to Washington Dulles (IAD), November 2026 had the lowest fare found (₩890,441). Set your watch 13 hours back on landing at IAD.
Seoul to Washington: frequently asked questions
Fares: Aviasales price cache, 8 October 2026; tracked flights between 6 September and 3 October 2026, from public ADS-B data.
How much is a flight from Seoul Incheon (ICN) to Washington Dulles (IAD)?
From ₩890,441 one-way, the cheapest fare found for November 2026 on Xiamen Airlines with 3 stops (found 8 October 2026).
How long is the ICN–IAD flight?
12h 40m wheels-up to wheels-down, the median of 29 tracked flights.
Which airlines fly ICN–IAD direct?
Air Premia and Korean Air.
What is the cheapest month to fly ICN–IAD?
November 2026, at ₩890,441; the dearest month found was ₩1,101,284.
What is the time difference between Seoul and Washington?
Washington is 13 hours behind Seoul: a ICN departure at noon is 23:00 local time in IAD.
How many ICN–IAD flights a week?
Air Premia 1 and Korean Air 3 each way.
What aircraft fly ICN–IAD?
Boeing 777-300ER and Boeing 787-9 Dreamliner.
Washington to Seoul: the return flight (IAD–ICN)
All 2 airlines also fly IAD–ICN nonstop.
Airlines flying ICN–IAD nonstop
| Airline | Usually takes off (ICN time) | Type | Alliance | Notes |
|---|---|---|---|---|
 Air Premia YP | 10:08–10:34 | full-service | — | — |
 Korean Air KE | 10:43–11:01 | full-service | SkyTeam | — |
One-stop alternatives to flying ICN–IAD nonstop
One airline on both legs; check it's sold as one ticket.
- Via Detroit (DTW) with
Delta Air Lines: 11,270 km (7,000 mi) flown, 1% further than nonstop. - Via Newark (EWR) with United Airlines: 11,420 km (7,090 mi) flown, 2% further than nonstop.
- Via Calgary (YYC) with
WestJet: 11,680 km (7,260 mi) flown, 4% further than nonstop. - Via Beijing (PEK) with
Air China: 12,010 km (7,470 mi) flown, 8% further than nonstop. - Via Seattle (SEA) with
Alaska Airlines and Delta Air Lines: 12,080 km (7,500 mi) flown, 8% further than nonstop.
ICN–IAD route map
More from Seoul and Washington
Other arrivals in United States
Also nonstop from ICN, nearest to IAD first (straight-line distance):
- ICN–EWR: Newark · 341 km (212 mi) from IAD
- ICN–JFK: New York · 366 km (228 mi) from IAD
- Detroit (DTW) airport guide · 616 km (383 mi) from IAD
- Boston (BOS) airport guide · 663 km (412 mi) from IAD
- ICN–ATL: Atlanta · 859 km (534 mi) from IAD
Explore the airlines’ route maps
Plan your arrival at Washington Dulles International Airport (IAD)
Departure
Incheon International Airport
Incheon (ICN), Seoul. In our data, 83 airlines fly nonstop from ICN to 157 destinations.
View ICN airport guide →Arrival
Washington Dulles International Airport
2 ways into Washington, fastest from 35 min:
- Metrorail Silver Line 55 min–1h 05m · $2.25–6.75
- Washington Flyer taxi 35 min–1h
Onward from Washington
Places you can't fly to nonstop from ICN, but can from IAD — for a stopover or a second leg.
Related routes
Sources
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations, checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
- en.wikipedia.org — airlines and destinations table (passenger), checked 2026-10-01
Flight tracking: adsb.lol community ADS-B data (CC0), 6 September – 3 October 2026. Times are median wheels-up to wheels-down; add taxiing for gate-to-gate.
Report a change — seen something different at the airport or on the airline's site? We re-check and log corrections publicly.