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Cheap flights from Washington to Seoul

10 nonstop flights a week, 1 of them today. Operated by 2 airlines, about 15h 50m in the air, 6,938 mi (11,165 km). Tickets from $711.

Flights from Washington to Seoul

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

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Best fares from Washington to Seoul

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $711 12 February 2027, nonstop Cheapest nonstop $711 12 February 2027, Air Premia Cheapest month February 2027 tickets from $711

Washington to Seoul at a glance

flight time, from 15h 10m to 15h 50m
15h 50m
straight-line distance
6,938 mi (11,165 km)
flights a week
10
flight today
1
first and last departure
11:50 - 23:35
lowest price, nonstop, 12 February
$711
average across months
$739
airlines
2

Washington to Seoul ticket prices by month

Lowest one-way fare found by recent searches

Cheapest month: February 2027, tickets from $711. Prices come from searches over the last few days; check the search for your exact date.

The most expensive month is June 2027: from $768. The average across months is $739.

Washington to Seoul flight schedule

10 flights a week, 1 today, 4 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
KE 94
Korean Air
11:50 Washington Dulles International
17:40 Incheon International, terminal 2
15h 50m
Daily
Boeing 777-300ER
YP 136
Air Premia
23:35 Washington Dulles International
05:25 Incheon International, terminal 1
15h 50m
Mon, Wed, Fri
Boeing 787-900

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 14 March.

FlightDepartsArrivesDurationDaysAircraft
KE 94
Korean Air
12:50 Washington Dulles International
17:40 Incheon International, terminal 2
15h 50m
Seasonal
Boeing 777-300ER
YP 136
Air Premia
00:35 Washington Dulles International
05:25 Incheon International, terminal 1
15h 50m
Seasonal
Boeing 787-900
KE 94
Korean Air
13:15 Washington Dulles International
17:40 Incheon International, terminal 2
15h 25m
Seasonal
Boeing 777-300ER
KE 94
Korean Air
13:30 Washington Dulles International
17:40 Incheon International, terminal 2
15h 10m
Seasonal
Boeing 777-300ER

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Seoul is 14 hours ahead of Washington. The search shows seat availability and the price for your date.

Airlines flying Washington to Seoul

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

Korean Air7 a week Air Premia3 a week

Airports

Where flights from Washington to Seoul depart and land

Departure from Washington

Washington Dulles International IAD

10 flights a week, 22 mi (36 km) from the city centre

About the airport

Arrival in Seoul

Incheon International ICN

10 flights a week, terminals 1, 2, 30 mi (48 km) from the city centre

About the airport

When to visit Seoul

Weather by month

Best time to visit: June and September, +26° to +27° by day, sea +23° to +27°. In November it is +12° by day and +2° at night, sea +16°, with 6 rainy days.

Jan
+2° −7° +4° 4 days
Feb
+5° −5° +3° 4 days
Mar
+12° +1° +6° 7 days
Apr
+18° +7° +11° 7 days
May
+22° +12° +17° 9 days
Jun
+27° +18° +23° 13 days
Jul
+30° +23° +27° 18 days
Aug
+30° +23° +30° 18 days
Sep
+26° +18° +27° 11 days
Oct
+19° +10° +22° 9 days
Nov
+12° +2° +16° 6 days
Dec
+3° −6° +8° 5 days

Daytime and night temperatures in °C, sea temperature (in blue), rainy days. Months with the most comfortable weather are in green. Long-term averages.

Frequently asked questions

How long is the flight from Washington to Seoul?
A nonstop flight takes 15 hours 50 minutes on average, from 15h 10m to 15h 50m depending on the flight.
How far is Seoul from Washington?
6,938 mi (11,165 km) in a straight line between the cities.
Which airlines fly nonstop from Washington to Seoul?
Korean Air (7 a week) and Air Premia (3 a week).
How many flights a day are there from Washington to Seoul?
1 flight today and 10 a week, about 1.4 a day on average.
When are the first and last flights from Washington to Seoul?
The first departure is at 11:50 (KE94), the last at 23:35 (YP136). Local time.
What is the cheapest month to fly from Washington to Seoul?
February 2027: tickets from $711. The most expensive is June 2027, from $768.
What is the cheapest upcoming date to fly from Washington to Seoul?
12 February 2027 (Friday): from $711 one way, nonstop, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from Washington to Seoul?
Air Premia: nonstop tickets from $711 on 12 February by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between Washington and Seoul?
Seoul is 14 hours ahead of Washington. Schedule times on this page are local to each airport.
Which Washington airport do flights to Seoul leave from?
Washington Dulles International (10 a week).