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

In the trailing 90 days, approximately 13% of flights from Washington, D.C. to Seoul were direct. For flights that included stopovers, the median number of stopovers was 2. This indicates that while direct options exist, a significant portion of flights involve connections.

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

A direct flight from Washington, D.C. to Seoul typically takes about 15 hours and 35 minutes. For flights with one stop, the median duration increases to approximately 21 hours and 9 minutes. The total distance covered on this route is around 11171 kilometers.

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 frequent. This route is classified as one with consistent opportunities for favorable pricing. Travelers can typically find competitive deals for this destination.

Flights From Washington, D.C.

To Seoul

Cheap Flights from Washington, D.C. to Seoul

Browse current best options from Washington, D.C.. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Washington, D.C.

RatePunk searches hundreds of travel sites at once for deals on flights to Seoul

Prices updated 1 day ago

476 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Oct 6, 2026.)

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

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

2026-11-18 – 2026-11-26
WAS - Seoul
84% AI deal score
$974
$832
Round trip
2026-11-11 – 2026-11-21
WAS - Seoul
83% AI deal score
$968
$832
Round trip
2026-11-20 – 2026-11-28
WAS - Seoul
83% AI deal score
$969
$832
Round trip
2026-11-02 – 2026-11-16
WAS - Seoul
83% AI deal score
$963
$832
Round trip
2026-11-20 – 2026-11-30
WAS - Seoul
83% AI deal score
$962
$834
Round trip
2026-11-05 – 2026-11-12
WAS - Seoul
84% AI deal score
$995
$834
Round trip
2026-10-15 – 2026-10-25
WAS - Seoul
89% AI deal score
$1,013
$840
Round trip
2026-11-12 – 2026-11-19
WAS - Seoul
84% AI deal score
$997
$846
Round trip
2026-10-01 – 2026-10-08
WAS - Seoul
90% AI deal score
$1,151
$850
Round trip
2026-10-17 – 2026-10-25
WAS - Seoul
89% AI deal score
$1,022
$853
Round trip

Washington, D.C. to Seoul: Overview

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

Right now, only about 6% of recent fares for flights from Washington, D.C. to Seoul are classified as a good price. This indicates that finding particularly low fares may require some flexibility or patience. New deals for this route appear almost daily, suggesting that opportunities for better pricing can emerge frequently.

A typical journey from Washington, D.C. to Seoul takes about 43h 10m, including connections. This is a long-haul route, covering a substantial distance of 11,173 kilometers. Given the considerable travel time, planning your itinerary with layovers in mind is essential.

When is the cheapest time to fly from Washington, D.C. to Seoul? Historically, February stands out as the most affordable month, with a median fare of $808. January also offers competitive pricing, with a median fare of $920. Another relatively cheaper option is September, where the median fare is around $1301. These months typically present better value compared to other times of the year.

Fares for flights from Washington, D.C. to Seoul typically range from $1418–$2139, with a median of $1739. Right now, current fares are below the typical level, which could present a favorable booking opportunity. For those seeking cheap flights from Washington, D.C. to Seoul, monitoring prices closely during periods when fares are below the median can be beneficial.

Most itineraries for this route connect at least once, with only 13% of recent fares being direct flights from Washington, D.C. to Seoul. For connecting itineraries, the typical number of stopovers is 2. This means you should expect your journey to include at least one layover, and often two, adding to the overall travel time.

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

Regular price: $874 - $1,494

Prices are currently below the regular range.

The regular price range for flights from Washington, D.C. to Seoul is typically between $874 and $1494. The current lowest deal is $834 with Ethiopian Airlines for travel from Nov 5-Nov 12.

now $834

Low $874

High $1,494

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. Prices are generally 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

Wed, Oct 7

⌛ Last-Minute

IAD - Seoul

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

Air Premia

$1,104

$1,085

One-way

Wed, Oct 7

⌛ Last-Minute

IAD - Seoul

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

Air Premia

$1,414

$1,192

One-way

Mon, Oct 12

⌛ Last-Minute

IAD - Seoul

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

Air Premia

$1,292

$1,049

One-way

Tue, Oct 13

⌛ Last-Minute

DCA - Seoul

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

Alaska Airlines, Inc.

$1,272

$1,153

One-way

Thu, Oct 15

⌛ Last-Minute

DCA - Seoul

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

United Airlines

$1,382

$1,308

One-way

Sat, Oct 17

⌛ Last-Minute

IAD - Seoul

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

Korean Air

$1,057

$1,236

One-way

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

3 nights

Oct 9 - Oct 12

$1,221 → $1,058

13%

10 nights

Oct 2 - Oct 12

$1,102 → $1,023

12 nights

Oct 2 - Oct 14

$1,093 → $1,023

7 nights

Oct 9 - Oct 16

$1,113 → $1,056

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

📅 Best time to fly

Fly in February for the lowest prices.

Historically, February offers the lowest median prices at $808, followed by January at $920.

⏱️ Flight duration

Expect a median flight time of 43h 10m.

The median flight duration for this long-haul route is 43 hours and 10 minutes.

✈️ Airlines & availability

Connecting flights are dominant for this route.

Only 13% of recent flights are direct, with connecting flights typically having 2 stopovers.

🏆 Airline highlight

Air Premia offers direct flights.

Air Premia is an airline that offers direct flights on the Washington, D.C. to Seoul route.

🎯 Booking tip

Deals appear frequently on this route.

Deals for flights from Washington, D.C. to Seoul appear frequently, offering good value.

Washington, D.C. main airports to depart from

Washington Dulles International (IAD)

Cheapest

Washington Dulles International is a good option for flights to Seoul, offering competitive prices.

📍 ~36 km from Washington, D.C. (reachable by car or train)

💸 Flights from ~$921

Seoul main airports to arrive at

Gimpo International (GMP)

Cheapest

Gimpo International Airport is a convenient arrival choice for flights from Washington, D.C. to Seoul.

📍 ~17 km from Seoul city center (reachable by car)

💸 Flights from ~$988

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International can be a useful alternative, especially for regional international routes and low-cost carriers.

📍 ~110 km from Seoul (reachable by bus and rail)

💸 Flights from ~$1,169

Business & First Class Flight Deals to Seoul

Discover luxury on the budget with premium cabin class on flights from Washington, D.C. to Seoul.

Elite

Best Elite deals to Seoul

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From IAD

Elite

Oct 08

Seoul, South Korea

91% AI deal score

$26,108

$20,801

Save $5,307

Swiss International Air Lines

Business Class

From IAD

Elite

Nov 21

Seoul, South Korea

90% AI deal score

$5,977

$4,681

Save $1,296

Alaska Airlines, Inc., +1

Business Class

From DCA

Elite

Oct 29

Seoul, South Korea

90% AI deal score

$6,349

$4,721

Save $1,628

Alaska Airlines, Inc., +1

Business Class

From DCA

Elite

Oct 29

Seoul, South Korea

90% AI deal score

$6,564

$4,723

Save $1,841

Alaska Airlines, Inc., +1

Business Class

From DCA

Elite

Oct 29

Seoul, South Korea

90% AI deal score

$6,295

$4,732

Save $1,563

Alaska Airlines, Inc., +1

Business Class

From DCA

Elite

Oct 29

Seoul, South Korea

90% AI deal score

$6,305

$4,732

Save $1,573

Alaska Airlines, Inc., +1

Business Class

From IAD

Elite

Oct 08

Seoul, South Korea

90% AI deal score

$24,208

$20,801

Save $3,407

Swiss International Air Lines

Business Class

From IAD

Elite

Oct 08

Seoul, South Korea

90% AI deal score

$24,778

$20,801

Save $3,977

Swiss International Air Lines

Business Class

From IAD

Elite

Oct 08

Seoul, South Korea

90% AI deal score

$24,778

$20,801

Save $3,977

Swiss International Air Lines

Business Class

From IAD

Elite

Oct 08

Seoul, South Korea

90% AI deal score

$24,188

$20,801

Save $3,387

Swiss International Air Lines

Business Class

From IAD

Elite

Oct 08

Seoul, South Korea

90% AI deal score

$24,188

$20,864

Save $3,324

Swiss International Air Lines

Business Class

From DCA

Elite

Jan 17

Seoul, South Korea

90% AI deal score

$27,550

$22,676

Save $4,874

Alaska Airlines, Inc., +1

Business Class

Frequently Asked Questions About Flights to Seoul

Historically, the best prices for flights from Washington, D.C. to Seoul have been found when booking within 0-6 days of departure. Flights booked in this window typically averaged around $1474. Prices tend to increase for bookings made further out, with flights booked 14-27 days in advance averaging $2191. Even bookings made 60+ days out were generally higher, at an average of $1646.

Across the trailing quarter, a good price for a flight from Washington, D.C. to Seoul was typically around $1418 or less. The median price for this route was $1739. For comparison, prices around the 75th percentile were approximately $2139, indicating a higher price point.

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, making these months significantly more affordable.

Related routes

More routes from Washington, D.C.

Flights to Seoul from other cities

Flights from Calgary to Seoul Flights from Edmonton to Seoul Flights from Halifax to Seoul Flights from Kelowna to Seoul Flights from Montreal to Seoul Flights from Saskatoon to Seoul Flights from Toronto to Seoul Flights from Warsaw to Seoul Flights from Weihai to Seoul Flights from Wellington to Seoul Flights from Wenzhou to Seoul Flights from Yantai to Seoul

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: $874 - $1,494

Prices are currently below the regular range.

The regular price range for flights from Washington, D.C. to Seoul is typically between $874 and $1494. The current lowest deal is $834 with Ethiopian Airlines for travel from Nov 5-Nov 12.

now $834

Low $874

High $1,494

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

Wed, Oct 7

⌛ Last-Minute

IAD - Seoul

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

Air Premia

$1,104

$1,085

One-way

Wed, Oct 7

⌛ Last-Minute

IAD - Seoul

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

Air Premia

$1,414

$1,192

One-way

Mon, Oct 12

⌛ Last-Minute

IAD - Seoul

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

Air Premia

$1,292

$1,049

One-way

Tue, Oct 13

⌛ Last-Minute

DCA - Seoul

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

Alaska Airlines, Inc.

$1,272

$1,153

One-way

Thu, Oct 15

⌛ Last-Minute

DCA - Seoul

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

United Airlines

$1,382

$1,308

One-way

Sat, Oct 17

⌛ Last-Minute

IAD - Seoul

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

Korean Air

$1,057

$1,236

One-way

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

3 nights

Oct 9 - Oct 12

$1,221 → $1,058

13%

10 nights

Oct 2 - Oct 12

$1,102 → $1,023

12 nights

Oct 2 - Oct 14

$1,093 → $1,023

7 nights

Oct 9 - Oct 16

$1,113 → $1,056

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

📅 Best time to fly

Fly in February for the lowest prices.

Historically, February offers the lowest median prices at $808, followed by January at $920.

⏱️ Flight duration

Expect a median flight time of 43h 10m.

The median flight duration for this long-haul route is 43 hours and 10 minutes.

✈️ Airlines & availability

Connecting flights are dominant for this route.

Only 13% of recent flights are direct, with connecting flights typically having 2 stopovers.

🏆 Airline highlight

Air Premia offers direct flights.

Air Premia is an airline that offers direct flights on the Washington, D.C. to Seoul route.

🎯 Booking tip

Deals appear frequently on this route.

Deals for flights from Washington, D.C. to Seoul appear frequently, offering good value.

Washington, D.C. main airports to depart from

Washington Dulles International (IAD)

Cheapest

Washington Dulles International is a good option for flights to Seoul, offering competitive prices.

📍 ~36 km from Washington, D.C. (reachable by car or train)

💸 Flights from ~$921

Seoul main airports to arrive at

Gimpo International (GMP)

Cheapest

Gimpo International Airport is a convenient arrival choice for flights from Washington, D.C. to Seoul.

📍 ~17 km from Seoul city center (reachable by car)

💸 Flights from ~$988

Airports nearby Seoul used as alternative

Cheongju International (CJJ)

Cheongju International can be a useful alternative, especially for regional international routes and low-cost carriers.

Seoul, South Korea

90% AI deal score

$27,550

$22,676

Save $4,874

Alaska Airlines, Inc., +1

Business Class

Frequently Asked Questions About Flights to Seoul

Cheap Flights from Washington, D.C. to Seoul

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

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

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

Direct flights from Washington, D.C. to Seoul

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

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

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

Washington, D.C. - Seoul route insights

Recent fares are below the typical level.

Fly in February for the lowest prices.

Expect a median flight time of 43h 10m.

Connecting flights are dominant for this route.

Air Premia offers direct flights.

Deals appear frequently on this route.

Washington, D.C. main airports to depart from

Seoul main airports to arrive at

Airports nearby Seoul used as alternative

Business & First Class Flight Deals to Seoul

Best Elite deals to Seoul

Oct 08

Nov 21

Oct 29

Oct 29

Oct 29

Oct 29

Oct 08

Oct 08

Oct 08

Oct 08

Oct 08

Jan 17

Frequently Asked Questions About Flights to Seoul

How far in advance should I book a flight from Washington, D.C. to Seoul?

How much should a flight from Washington, D.C. to Seoul cost?

What's the cheapest month to fly from Washington, D.C. to Seoul?

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

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

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

Related routes

More routes from Washington, D.C.

Flights to Seoul from other cities

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

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

Direct flights from Washington, D.C. to Seoul

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

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

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

Washington, D.C. - Seoul route insights

Recent fares are below the typical level.

Fly in February for the lowest prices.

Expect a median flight time of 43h 10m.

Connecting flights are dominant for this route.

Air Premia offers direct flights.

Deals appear frequently on this route.

Washington, D.C. main airports to depart from

Seoul main airports to arrive at

Airports nearby Seoul used as alternative

Business & First Class Flight Deals to Seoul

Best Elite deals to Seoul

Oct 08

Nov 21

Oct 29

Oct 29

Oct 29

Oct 29

Oct 08

Oct 08

Oct 08

Oct 08

Oct 08

Jan 17

Frequently Asked Questions About Flights to Seoul

How far in advance should I book a flight from Washington, D.C. to Seoul?

How much should a flight from Washington, D.C. to Seoul cost?

What's the cheapest month to fly from Washington, D.C. to Seoul?