Cheap flights from Seoul to Washington, D.C. from £420

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1 stop
Wed, Oct 7
Seoul ICNWashington, D.C. DCA
£420
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1 stop
Mon, Oct 5
Seoul ICNWashington, D.C. DCA
£423
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Direct
Wed, Oct 7
Seoul ICNWashington, D.C. IAD
£470
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Direct
Mon, Oct 5
Seoul ICNWashington, D.C. IAD
£476
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Direct
Fri, Oct 9
Seoul ICNWashington, D.C. IAD
£476
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Direct
Sun, Oct 4
Seoul ICNWashington, D.C. IAD
£496
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1 stop
Wed, Oct 7 – Tue, Oct 13
Seoul ICNWashington, D.C. DCA
£754
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1 stop
Fri, Oct 9 – Tue, Oct 13
Seoul ICNWashington, D.C. DCA
£766
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1 stop
Fri, Oct 9 – Thu, Oct 15
Seoul ICNWashington, D.C. DCA
£766
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Direct
Wed, Oct 7 – Mon, Oct 12
Seoul ICNWashington, D.C. IAD
£841
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Direct
Fri, Oct 9 – Mon, Oct 12
Seoul ICNWashington, D.C. IAD
£858
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Direct
Fri, Oct 9 – Tue, Oct 13
Seoul ICNWashington, D.C. IAD
£862
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How much do flights to Washington, D.C. cost?

Cheapest one-way trip

£420

Cheapest nonstop round-trip

£1,002

Cheapest round-trip

£754

Average round-trip

£1,064

Includes rare itinerary

Travel hack

Getting from Washington, D.C. airports to the city center

Fastest options: Metro from DCA. Best value: Metro and bus services from all airports.

Washington, D.C. is served by three major airports, each offering various airport transfers to city center destinations. Ronald Reagan Washington National Airport (DCA) is the closest, located just 6 km south of downtown across the Potomac River. Washington Dulles International Airport (IAD) lies 42 km west of the city center in Virginia. Baltimore/Washington International Thurgood Marshall Airport (BWI) is 50 km northeast in Maryland. Transport options include Metro rail, commuter trains, express buses, taxis, ride-hailing services, and private transfers. Journey times and costs vary depending on the airport, time of day, and traffic conditions.

How to get from Ronald Reagan Washington National Airport (DCA) to Washington, D.C.?

Transport Option

Typical Time

Typical Cost

Frequency

Best For

15-20 min

$2 – $6; varies by destination and time of day

every 8–12 min (traffic dependent)

fastest and most affordable

15-30 min

$15 – $25; metered; varies by traffic

on-demand 24/7 (traffic dependent)

door-to-door convenience

How to get from Washington Dulles International Airport (IAD) to Washington, D.C.?

Transport Option

Typical Time

Typical Cost

Frequency

Best For

45-60 min

$6; flat fare to downtown

every 8–15 min (traffic dependent)

budget travelers

20-30 min

$5; to Wiehle-Reston East Metro

every 20 min (traffic dependent)

connecting to Metro

45-75 min

$65 – $85; metered; varies by traffic

on-demand 24/7 (traffic dependent)

groups with luggage

How to get from Baltimore/Washington International Thurgood Marshall Airport (BWI) to Washington, D.C.?

Transport Option

Typical Time

Typical Cost

Frequency

Best For

35-45 min

$8; one-way fare

hourly weekdays (traffic dependent)

commuters to Union Station

30-40 min

$15 – $50; varies by train type and booking time

multiple daily (traffic dependent)

comfort and speed

50-90 min

$90 – $110; metered; varies by traffic

on-demand 24/7 (traffic dependent)

late night arrivals

Notes:

  • Prices in USD; table created in 2025 and subject to change.
  • Metro fares vary by distance and time of day; use SmarTrip card for best rates.
  • MARC trains operate primarily on weekdays with limited weekend service.
  • Taxi and ride-hailing prices vary with demand and traffic conditions.
  • We recommend checking official transport websites for your travel planning.

Updated: December 2025

Key info about flying to Washington, D.C.

Depart from
Incheon International
Arrive to
Washington Dulles International
Average flights per week
395
Flight distance
11185 km
Worth visiting
Lincoln Memorial - National Mall

Weekly direct flights

Discover the top airlines offering direct flights from Seoul to Washington, D.C. in the next month. You’ll find the number of daily direct flights per airline in the chart.

AirlineMon 07.09Tue 08.09Wed 09.09Thu 10.09Fri 11.09Sat 12.09Sun 13.09
Korean Air
---11111---
Weekly flights: 5 totalDaily flights: 0.71 averageMost flights: Tuesday 1 flights
AirlineMon 14.09Tue 15.09Wed 16.09Thu 17.09Fri 18.09Sat 19.09Sun 20.09
Korean Air
1111111
Weekly flights: 7 totalDaily flights: 1 averageMost flights: Monday 1 flights
AirlineMon 21.09Tue 22.09Wed 23.09Thu 24.09Fri 25.09Sat 26.09Sun 27.09
Korean Air
1111111
Weekly flights: 7 totalDaily flights: 1 averageMost flights: Monday 1 flights
AirlineMon 28.09Tue 29.09Wed 30.09Thu 01.10Fri 02.10Sat 03.10Sun 04.10
Korean Air
1111111
Weekly flights: 7 totalDaily flights: 1 averageMost flights: Monday 1 flights

Check-in for a flight from Seoul to Washington, D.C.

NameCarrier codeIATA CodePassport needed during booking
Korean AirKALKEYes
United AirlinesUALUANo
Alaska AirlinesASAASNo
Air CanadaACAACYes
Asiana AirlinesAAROZYes

Online check-in is not available for these airlines.

Weather in Washington, D.C.

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January5°C-2°C
February7°C0°C
March13°C3°C
April19°C8°C
May23°C13°C
June29°C18°C
July32°C21°C
August30°C20°C
September26°C17°C
October20°C11°C
November13°C5°C
December8°C1°C
Hottest Month
32°C
July
Coldest month
-2°C
January
Sunny days
269
days per year
Snow days
8
days per year

14 day forecast

Sunday
13 Sep
66%
31°C22°C
20 Sep
57%
20°C12°C
Monday
14 Sep
26°C19°C
21 Sep
22°C13°C
Tuesday
15 Sep
26°C14°C
22 Sep
14%
20°C15°C
Wednesday
16 Sep
28°C17°C
23 Sep
23°C15°C
Thursday
17 Sep
30°C19°C
24 Sep
24°C14°C
Friday
18 Sep
66%
33°C21°C
25 Sep
23°C15°C
Saturday
19 Sep
93%
20°C12°C
26 Sep
32°C15°C
Travelers usually depart from Incheon International, or Gimpo International when they travel from Seoul to Washington, D.C.. Book your trip to arrive at Washington Dulles International, Baltimore–Washington International, or Ronald Reagan Washington National. The distance between Seoul and Washington, D.C. is 11185 km. The most popular airlines for this route are Korean Air, United Airlines, Alaska Airlines, Air Canada, and Asiana Airlines. Seoul and Washington, D.C. have 395 direct flights per week. When you arrive at Washington, D.C., consider visiting Lincoln Memorial, and National Mall.

Frequently asked questions

How long does it take to travel from Seoul to Washington, D.C.?

A one-way nonstop (direct) flight between Seoul and Washington, D.C. takes around 14 hours.

What is the flight distance between Seoul and Washington, D.C.?

The flight distance between Seoul and Washington, D.C. is 11185 km.

What airlines offer nonstop (direct) flights between Seoul and Washington, D.C.?

Several carriers operate flights between Seoul and Washington, D.C.. Airlines offering nonstop (direct) flights include Korean Air.

What are the most popular routes to and from Seoul?

Travelers frequently search for route combinations, such as Seoul and Tokyo, Bangkok, London, Osaka, Manila, Jeju City, Hong Kong, Taipei, Busan, Bali, Los Angeles, Edinburgh, Fukuoka, Cebu, Okinawa Island, Da Nang, San Francisco, Ho Chi Minh City, Hanoi, Phuket City.

What are the most popular routes to and from Washington, D.C.?

Travelers frequently search for route combinations, such as Washington, D.C. and London, Manchester, Atlanta, Los Angeles, Orlando, Edinburgh, Glasgow, Mexico City, Dallas, Aberdeen, Tampa, Toronto, San Francisco, Denver, Boston, Houston, San Salvador, Lima, Miami, Las Vegas.

Which airports are there in Seoul?

Seoul is mainly served by Incheon International. But there are other airports nearby, including Gimpo International.

What airports are near Seoul?

The main airport in Seoul is Incheon International. It is also served by Daegu International, Cheongju International, Yangyang International, Gunsan, Wonju.

What airports are near Washington, D.C.?

The main airport in Washington, D.C. is Washington Dulles International. It is also served by Philadelphia International, Norfolk International, Richmond International, Atlantic City International, Trenton–Mercer, Lehigh Valley International, Harrisburg International, Lancaster, Salisbury–Ocean City–Wicomico Regional.

Which airlines fly between Seoul and Washington, D.C.?

Currently, you can fly between Seoul and Washington, D.C. with Korean Air, United Airlines, Alaska Airlines, Air Canada, Asiana Airlines.

When’s the best time to travel between Seoul and Washington, D.C.?

What flights operate between Seoul and Washington, D.C.?

How many airports are there near Seoul?

How many airports are there near Washington, D.C.?

What time do nonstop (direct) flights between Seoul and Washington, D.C. depart?

What time do nonstop (direct) flights between Seoul and Washington, D.C. arrive?

What time do flights between Seoul and Washington, D.C. depart?

What time do flights between Seoul and Washington, D.C. arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.

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