Are there direct flights from Washington, D.C. to Seoul?

Historically, direct flights from Washington, D.C. to Seoul have been less common, accounting for approximately 13% of all available flights. For routes requiring stopovers, the median number of stopovers for connecting flights was 2. Travelers prioritizing direct routes may find fewer options, while those open to connecting flights will have more choices.

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

A direct flight from Washington, D.C. to Seoul typically takes approximately 15 hours and 35 minutes, covering a distance of 11171 kilometers. Flights with one stopover, on average, have a longer duration, with a median flight time of 21 hours and 9 minutes. Travelers should factor in these durations when planning their journey.

Are there frequently good prices on flights from Washington, D.C. to Seoul?

Historically, good prices on flights from Washington, D.C. to Seoul have been observed frequently. This indicates that travelers have a consistent opportunity to find favorable deals on this route. While specific prices fluctuate, the overall trend suggests regular availability of competitive fares across the trailing quarter.

Flights From Washington, D.C.

To Seoul

Cheap Flights from Washington, D.C. to Seoul

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Deals from

Washington, D.C.

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Prices updated 2 days ago

444 airlines compared

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Fares are subject to change and may not be available for all dates. (Data last updated Aug 9, 2026.)

Today’s best flight deals from Washington, D.C. to Seoul

Explore current cheapest deals departing from Washington, D.C. to Seoul

2026-11-02 – 2026-11-13
WAS - Seoul
83% AI deal score
$1,004
$906
Round trip
2026-11-02 – 2026-11-16
WAS - Seoul
83% AI deal score
$1,009
$906
Round trip
2026-09-02 – 2026-09-09
WAS - Seoul
84% AI deal score
$1,042
$907
Round trip
2026-11-04 – 2026-11-16
WAS - Seoul
83% AI deal score
$1,004
$908
Round trip
2026-11-03 – 2026-11-11
WAS - Seoul
83% AI deal score
$1,011
$908
Round trip
2026-11-02 – 2026-11-10
WAS - Seoul
83% AI deal score
$1,010
$908
Round trip
2026-08-19 – 2026-08-31
WAS - Seoul
81% AI deal score
$1,116
$918
Round trip
2026-08-18 – 2026-08-31
WAS - Seoul
81% AI deal score
$1,115
$920
Round trip
2026-08-23 – 2026-08-31
WAS - Seoul
86% AI deal score
$1,150
$921
Round trip
2026-11-09 – 2026-11-20
WAS - Seoul
83% AI deal score
$1,024
$923
Round trip

Washington, D.C. to Seoul: Overview

Insights for flights from Washington, D.C. to Seoul

Right now, 6% of recent fares from Washington, D.C. to Seoul are classified as a good price. Fares for this route typically range from $1418–$2139, with a median of $1739. Currently, prices are below the typical level for this long-haul journey. New deals for flights from Washington, D.C. to Seoul appear almost daily, offering frequent opportunities for travelers to find competitive pricing.

A typical journey from Washington, D.C. to Seoul takes about 43h 10m, including connections. This is a significant travel time, reflecting the long-haul nature of the route and the common need for multiple layovers. Given that most itineraries connect at least once, with a median of 2 stopovers when connecting, travelers should factor in the extended duration when planning their trip.

The distance between Washington, D.C. and Seoul is approximately 11,173 kilometers, classifying this as a long-haul route. This substantial distance means that most itineraries connect at least once, with only 13% of recent fares being non-stop. When connections are necessary, the median number of stopovers is 2, which contributes to the overall journey time.

When is the cheapest time to fly from Washington, D.C. to Seoul? The data indicates that February is typically the most affordable month, with a median fare of $808. January also offers lower prices, with a median of $920. Travelers can find more competitive fares in these months compared to other times of the year, with September also presenting a relatively lower median of $1301.

How much is a round trip from Washington, D.C. to Seoul

Regular price: $873 - $1,654

Prices for flights from Washington, D.C. to Seoul are currently below the regular range.

The regular price range for this route is between $873 and $1654. The current lowest deal is $842 with United Airlines, for travel from Sep 6-Sep 21.

now $842

Low $873

High $1,654

The cheapest time to fly from Washington, D.C. to Seoul

The cheapest month to fly from Washington to Seoul is February, with a median price of $808. The most expensive month is December, with a median price of $2295. Generally, prices are lower from January to September.

February

Cheapest

Flights from $808

December

Most Expensive

Flights from $2,295

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Washington, D.C. to Seoul

Air Premia

Last-minute flights going from Washington, D.C. to Seoul

Sun, Aug 9

⌛ Last-Minute

IAD - Seoul

Washington, D.C. (IAD) - Seoul (ICN)

Air Premia

$1,116

$905

One-way

Fri, Aug 14

⌛ Last-Minute

IAD - Seoul

Washington, D.C. (IAD) - Seoul (ICN)

Frontier Airlines

$1,095

$948

One-way

Sat, Aug 15

⌛ Last-Minute

DCA - Seoul

Washington, D.C. (DCA) - Seoul (ICN)

Frontier Airlines

$1,320

$1,031

One-way

Tue, Aug 18

⌛ Last-Minute

IAD - Seoul

Washington, D.C. (IAD) - Seoul (ICN)

Frontier Airlines

$1,113

$929

One-way

Fri, Aug 21

⌛ Last-Minute

DCA - Seoul

Washington, D.C. (DCA) - Seoul (ICN)

Frontier Airlines

$1,340

$950

One-way

Sat, Aug 22

⌛ Last-Minute

IAD - Seoul

Washington, D.C. (IAD) - Seoul (ICN)

Frontier Airlines

$1,152

$900

One-way

Biggest price drops on these dates for flights from Washington, D.C. to Seoul

5 nights

Dec 4 - Dec 9

$1,439 → $905

37%

7 nights

Dec 2 - Dec 9

$1,388 → $909

34%

7 nights

Dec 7 - Dec 14

$1,409 → $938

33%

7 nights

Aug 21 - Aug 28

$1,340 → $950

29%

Popular Airports to fly from Washington, D.C. to Seoul

Washington, D.C. - Seoul route insights

💸 Price insights

Recent fares are below the typical level.

Recent fares from Washington, D.C. to Seoul are below the typical level for this route.

📅 Best time to fly

February is historically the cheapest month to fly.

Historically, February is the cheapest month to fly from Washington, D.C. to Seoul, with a median price of $808.

⏱️ Flight duration

Flights typically take 43h 10m.

Flights from Washington, D.C. to Seoul typically take 43h 10m, covering a distance of 11173 km.

✈️ Airlines & availability

Connecting flights are dominant.

Only 13% of recent flights from Washington, D.C. to Seoul are direct, with connecting flights having 2 stopovers.

🏆 Airline highlight

Air Premia offers direct flights.

Air Premia is an airline that has offered direct flights from Washington, D.C. to Seoul.

🎯 Booking tip

Deals are frequent for this route.

Deals for flights from Washington, D.C. to Seoul are frequent, appearing often in a 30-day window.

Washington, D.C. main airports to depart from

Washington Dulles International (IAD)

Cheapest

Washington Dulles International is a key departure point for flights from Washington, D.C. to Seoul.

📍 ~40 km from Washington, D.C. (reachable by car or public transport)

💸 Flights from ~$998

Seoul main airports to arrive at

Incheon International (ICN)

Cheapest

Incheon International Airport is a good choice for flights from Washington, D.C. to Seoul.

📍 ~50 km from Seoul city center (reachable by car)

💸 Flights from ~$998

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheapest

Cheongju International is a practical alternative for Seoul due to its proximity and international status.

📍 ~120 km from Seoul (reachable by express bus and rail services)

💸 Flights from ~$1,201

Business & First Class Flight Deals to Seoul

89% AI deal score

$6,519

$4,688

Save $1,831

Frequently Asked Questions About Flights to Seoul

Historically, booking flights from Washington, D.C. to Seoul within 0-6 days of departure has yielded the lowest average prices, typically around $1474. Prices tend to increase for bookings made further in advance, with flights booked 14-27 days out averaging $2191. Even bookings made 60+ days in advance show a higher average price of $1646. This suggests that travelers may find better deals closer to their departure date for this route.

Across the trailing quarter, a good price for a flight from Washington, D.C. to Seoul was considered to be $1418 or less. The median price for this route was $1739. Prices can vary, with 75% of observed prices falling below $2139. Travelers aiming for a budget-friendly trip should target fares at or below the good price threshold.

Historically, February has been the cheapest month to fly from Washington, D.C. to Seoul, with a median price of $808. January also offered favorable prices, with a median of $920. In contrast, the annual median price for this route was $1739. Travelers looking to save on airfare should consider planning their trips during these months.

Related routes

More routes from Washington, D.C.

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Washington, D.C. to Seoul: Overview

Insights for flights from Washington, D.C. to Seoul

How much is a round trip from Washington, D.C. to Seoul

Regular price: $873 - $1,654

Prices for flights from Washington, D.C. to Seoul are currently below the regular range.

The regular price range for this route is between $873 and $1654. The current lowest deal is $842 with United Airlines, for travel from Sep 6-Sep 21.

now $842

Low $873

High $1,654

The cheapest time to fly from Washington, D.C. to Seoul

February

Cheapest

Flights from $808

December

Most Expensive

Flights from $2,295

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Washington, D.C. to Seoul

Air Premia

Last-minute flights going from Washington, D.C. to Seoul

Sun, Aug 9

⌛ Last-Minute

IAD - Seoul

Washington, D.C. (IAD) - Seoul (ICN)

Air Premia

$1,116

$905

One-way

Fri, Aug 14

⌛ Last-Minute

IAD - Seoul

Washington, D.C. (IAD) - Seoul (ICN)

Frontier Airlines

$1,095

$948

One-way

Sat, Aug 15

⌛ Last-Minute

DCA - Seoul

Washington, D.C. (DCA) - Seoul (ICN)

Frontier Airlines

$1,320

$1,031

One-way

Tue, Aug 18

⌛ Last-Minute

IAD - Seoul

Washington, D.C. (IAD) - Seoul (ICN)

Frontier Airlines

$1,113

$929

One-way

Fri, Aug 21

⌛ Last-Minute

DCA - Seoul

Washington, D.C. (DCA) - Seoul (ICN)

Frontier Airlines

$1,340

$950

One-way

Sat, Aug 22

⌛ Last-Minute

IAD - Seoul

Washington, D.C. (IAD) - Seoul (ICN)

Frontier Airlines

$1,152

$900

One-way

Biggest price drops on these dates for flights from Washington, D.C. to Seoul

5 nights

Dec 4 - Dec 9

$1,439 → $905

37%

7 nights

Dec 2 - Dec 9

$1,388 → $909

34%

7 nights

Dec 7 - Dec 14

$1,409 → $938

33%

7 nights

Aug 21 - Aug 28

$1,340 → $950

29%

Popular Airports to fly from Washington, D.C. to Seoul