FlightsFrom 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 5 days ago

402 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 12, 2026.)

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

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

September 6 - September 21

Cheapest
Earliest

BWI - Seoul

$986

$844

Round trip

September 7 - September 28

BWI - Seoul

$991

$845

Round trip

September 7 - September 14

BWI - Seoul

$1,037

$845

Round trip

September 21 - September 28

BWI - Seoul

$1,048

$845

Round trip

December 7 - December 14

Best

BWI - Seoul

$1,286

$847

Round trip

September 22 - September 29

BWI - Seoul

$1,048

$853

Round trip

September 23 - September 30

BWI - Seoul

$1,048

$853

Round trip

September 15 - September 29

BWI - Seoul

$1,013

$853

Round trip

September 15 - September 30

BWI - Seoul

$1,010

$853

Round trip

September 15 - September 22

BWI - Seoul

$1,048

$855

Round trip

Unlock all 500+ flight deals to Seoul and get alerts when great deals appear

Washington, D.C. to Seoul: Overview

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

Right now, 6% of recent fares for flights from Washington, D.C. to Seoul are classified as a good price. Fares for this route typically range from $1418 to $2139, with a median of $1739. Current fares are below the typical level, suggesting a favorable time to consider booking. New deals appear almost daily for this long-haul route.
A typical journey from Washington, D.C. to Seoul takes about 43h 10m, including connections. This reflects the reality that most itineraries connect at least once, with a median of 2 stopovers when connecting. This is a significant journey given the 11,173 km distance, which classifies it as a long-haul route.
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. Following these, September presents a median fare of $1301, making these months generally more economical for travel.

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

Flights from Washington, D.C. to Seoul are cheapest in February, with a median price of $808. The most expensive month to fly 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

Airline logo

Air Premia

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

Fri, Jul 24

⌛ Last-Minute

DCA - Seoul

Frontier Airlines

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

Frontier Airlines

$1,475

$1,147

One-way

Sat, Aug 1

⌛ Last-Minute

IAD - Seoul

Allegiant Air

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

Allegiant Air

$1,057

$921

One-way

Sat, Aug 1

⌛ Last-Minute

BWI - Seoul

Frontier Airlines

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

Frontier Airlines

$1,078

$944

One-way

Sat, Aug 1

⌛ Last-Minute

DCA - Seoul

Frontier Airlines

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

Frontier Airlines

$1,240

$983

One-way

Sun, Aug 2

⌛ Last-Minute

IAD - Seoul

Porter Airlines

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

Porter Airlines

$1,060

$905

One-way

Tue, Aug 4

⌛ Last-Minute

IAD - Seoul

Frontier Airlines

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

Frontier Airlines

$1,076

$906

One-way

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

18 nights

Dec 7 - Dec 25

$1,401  →  $1,153

18%

14 nights

Dec 1 - Dec 15

$1,395  →  $1,164

17%

14 nights

Dec 2 - Dec 16

$1,395  →  $1,171

16%

7 nights

Jan 16 - Jan 23

$1,238  →  $1,016

18%

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 at $842.

📅 Best time to fly

February is historically the cheapest month to fly

Historically, February is the cheapest month to fly 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, including layovers.

✈️ Airlines & availability

Connecting flights are dominant for this route

Only 13% of recent flights from Washington, D.C. to Seoul are direct.

🏆 Airline highlight

United Airlines has a deal for $842

United Airlines offers a flight from Washington, D.C. to Seoul for $842.

🎯 Booking tip

Deals appear frequently for this route

Deals for flights from Washington, D.C. to Seoul appear frequently, about every 30 days.

Washington, D.C. main airports to depart from

Washington Dulles International (IAD)

Cheapest

Washington Dulles International Airport is a good option for flights from Washington, D.C. to Seoul.

📍 ~35 km from city center (reachable by car or train)

💸 Flights from ~$998

Baltimore–Washington International (BWI)

Baltimore–Washington International Airport serves as an alternative departure point for your trip to Seoul.

📍 ~55 km from city center (reachable by car or train)

💸 Flights from ~$1075

Ronald Reagan Washington National (DCA)

Ronald Reagan Washington National Airport offers another departure choice for flights to Seoul.

📍 ~10 km from city center (reachable by car or train)

💸 Flights from ~$1084

Seoul main airports to arrive at

Incheon International (ICN)

Cheapest

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

📍 ~50 km from Seoul (reachable by car, train, or bus)

💸 Flights from ~$998

Gimpo International (GMP)

Gimpo International Airport is an alternative for flights from Washington, D.C. to Seoul.

📍 ~20 km from Seoul (reachable by car, train, or bus)

💸 Flights from ~$1127

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.

📍 ~115 km from Seoul (reachable by express bus and rail services)

💸 Flights from ~$1201

Gimhae International (PUS)

Gimhae International is a major international gateway and a reliable alternative for flights to regional destinations.

📍 ~320 km from Seoul (reachable by KTX high-speed rail)

💸 Flights from ~$1273

Daegu International (TAE)

Daegu International offers a good selection of international regional flights and efficient terminal processing.

📍 ~240 km from Seoul (reachable by high-speed rail)

💸 Flights from ~$1236

Wonju (WJU)

Wonju is geographically the closest candidate airport to Seoul, useful for specific domestic connections.

📍 ~90 km from Seoul (reachable by car)

💸 Flights from ~$1585

Gwangju (KWJ)

Gwangju is a major regional airport with KTX connectivity, an alternative for domestic travel.

📍 ~270 km from Seoul (reachable by KTX)

💸 Flights from ~$1545

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

Jun 18

Seoul, South Korea

92% AI deal score

$25,704

$19,740

Save $5,964

From IAD

Elite

Sep 08

Seoul, South Korea

91% AI deal score

$6,862

$4,738

Save $2,124

From IAD

Elite

Jun 18

Seoul, South Korea

91% AI deal score

$25,177

$19,722

Save $5,455

From DCA

Elite

Jul 13

Seoul, South Korea

90% AI deal score

$6,442

$4,479

Save $1,963

From IAD

Elite

Jun 18

Seoul, South Korea

90% AI deal score

$22,275

$19,740

Save $2,535

From IAD

Elite

Jun 18

Seoul, South Korea

90% AI deal score

$22,275

$19,740

Save $2,535

From IAD

Elite

Jun 18

Seoul, South Korea

90% AI deal score

$22,275

$19,740

Save $2,535

From IAD

Elite

Jun 18

Seoul, South Korea

90% AI deal score

$22,275

$19,740

Save $2,535

From IAD

Elite

Jun 18

Seoul, South Korea

90% AI deal score

$22,275

$19,740

Save $2,535

From IAD

Elite

Jun 18

Seoul, South Korea

90% AI deal score

$23,360

$19,753

Save $3,607

From IAD

Elite

Jul 25

Seoul, South Korea

89% AI deal score

$6,016

$4,684

Save $1,332

From DCA

Elite

Jul 13

Seoul, South Korea

89% AI deal score

$6,519

$4,688

Save $1,831

From DCA

Elite

Jul 13

Seoul, South Korea

89% AI deal score

$6,455

$4,777

Save $1,678

From IAD

Elite

Jul 20

Seoul, South Korea

88% AI deal score

$5,797

$4,474

Save $1,323

From IAD

Elite

Jun 18

Seoul, South Korea

85% AI deal score

$21,888

$19,722

Save $2,166

From DCA

Elite

Dec 09

Seoul, South Korea

85% AI deal score

$26,786

$21,826

Save $4,960

From DCA

Elite

Dec 08

Seoul, South Korea

85% AI deal score

$26,497

$21,826

Save $4,671

From IAD

Elite

Nov 18

Seoul, South Korea

84% AI deal score

$6,256

$5,113

Save $1,143

From IAD

Elite

Nov 14

Seoul, South Korea

84% AI deal score

$6,331

$5,212

Save $1,119

From IAD

Elite

Jun 18

Seoul, South Korea

84% AI deal score

$21,812

$19,722

Save $2,090

From IAD

Elite

Jun 18

Seoul, South Korea

84% AI deal score

$21,641

$19,740

Save $1,901

From IAD

Elite

Jun 18

Seoul, South Korea

84% AI deal score

$21,830

$19,740

Save $2,090

From DCA

Elite

Nov 14

Seoul, South Korea

84% AI deal score

$24,870

$21,820

Save $3,050

From DCA

Elite

Dec 08

Seoul, South Korea

84% AI deal score

$25,502

$21,826

Save $3,676

From DCA

Elite

Dec 05

Seoul, South Korea

84% AI deal score

$25,502

$21,842

Save $3,660

From IAD

Elite

Jul 19

Seoul, South Korea

83% AI deal score

$5,806

$4,605

Save $1,201

From IAD

Elite

Jul 20

Seoul, South Korea

83% AI deal score

$5,790

$4,684

Save $1,106

From IAD

Elite

Jul 20

Seoul, South Korea

83% AI deal score

$5,843

$4,772

Save $1,071

From IAD

Elite

Nov 21

Seoul, South Korea

83% AI deal score

$6,287

$5,311

Save $976

From IAD

Elite

Nov 14

Seoul, South Korea

83% AI deal score

$6,284

$5,311

Save $973

From IAD

Elite

Jun 18

Seoul, South Korea

83% AI deal score

$21,465

$19,722

Save $1,743

From IAD

Elite

Jul 23

Seoul, South Korea

83% AI deal score

$2,902

$2,550

Save $352

From IAD

Elite

Aug 17

Seoul, South Korea

82% AI deal score

$5,378

$4,712

Save $666

From IAD

Elite

Aug 18

Seoul, South Korea

82% AI deal score

$5,382

$4,712

Save $670

From IAD

Elite

Aug 12

Seoul, South Korea

82% AI deal score

$5,394

$4,712

Save $682

From IAD

Elite

Aug 13

Seoul, South Korea

82% AI deal score

$5,371

$4,717

Save $654

From IAD

Elite

Aug 16

Seoul, South Korea

82% AI deal score

$5,373

$4,718

Save $655

From IAD

Elite

Aug 14

Seoul, South Korea

82% AI deal score

$5,371

$4,719

Save $652

From IAD

Elite

Aug 25

Seoul, South Korea

82% AI deal score

$5,503

$4,738

Save $765

From IAD

Elite

Jul 19

Seoul, South Korea

82% AI deal score

$5,786

$4,814

Save $972

From IAD

Elite

Aug 18

Seoul, South Korea

82% AI deal score

$5,576

$4,846

Save $730

From IAD

Elite

Aug 13

Seoul, South Korea

82% AI deal score

$5,533

$4,846

Save $687

From IAD

Elite

Jul 19

Seoul, South Korea

82% AI deal score

$5,797

$4,903

Save $894

From IAD

Elite

Jul 08

Seoul, South Korea

82% AI deal score

$5,761

$5,119

Save $642

From IAD

Elite

Jun 18

Seoul, South Korea

82% AI deal score

$21,279

$19,740

Save $1,539

From IAD

Elite

Jun 18

Seoul, South Korea

82% AI deal score

$21,247

$19,740

Save $1,507

From DCA

Elite

Dec 09

Seoul, South Korea

82% AI deal score

$24,151

$21,842

Save $2,309

From IAD

Elite

Jul 21

Seoul, South Korea

82% AI deal score

$2,874

$2,550

Save $324

From BWI

Elite

Aug 25

Seoul, South Korea

81% AI deal score

$5,277

$4,717

Save $560

From BWI

Elite

Aug 26

Seoul, South Korea

81% AI deal score

$5,306

$4,717

Save $589

From BWI

Elite

Aug 27

Seoul, South Korea

81% AI deal score

$5,310

$4,717

Save $593

From BWI

Elite

Aug 24

Seoul, South Korea

81% AI deal score

$5,262

$4,717

Save $545

From BWI

Elite

Aug 29

Seoul, South Korea

81% AI deal score

$5,365

$4,728

Save $637

From BWI

Elite

Aug 28

Seoul, South Korea

81% AI deal score

$5,320

$4,804

Save $516

From BWI

Elite

Aug 30

Seoul, South Korea

81% AI deal score

$5,383

$4,840

Save $543

From IAD

Elite

Aug 12

Seoul, South Korea

81% AI deal score

$5,521

$4,846

Save $675

From IAD

Elite

Jul 11

Seoul, South Korea

81% AI deal score

$5,811

$5,316

Save $495

From IAD

Elite

Jun 18

Seoul, South Korea

81% AI deal score

$21,038

$19,740

Save $1,298

From IAD

Elite

Jul 21

Seoul, South Korea

81% AI deal score

$2,872

$2,648

Save $224

From IAD

Elite

Jul 23

Seoul, South Korea

81% AI deal score

$2,872

$2,648

Save $224

From IAD

Elite

Jul 23

Seoul, South Korea

81% AI deal score

$2,905

$2,656

Save $249

From BWI

Elite

Aug 22

Seoul, South Korea

80% AI deal score

$5,181

$4,739

Save $442

From BWI

Elite

Aug 23

Seoul, South Korea

80% AI deal score

$5,197

$4,744

Save $453

From BWI

Elite

Aug 13

Seoul, South Korea

80% AI deal score

$5,175

$4,821

Save $354

From DCA

Elite

Oct 27

Seoul, South Korea

80% AI deal score

$23,303

$21,807

Save $1,496

From IAD

Elite

Jul 26

Seoul, South Korea

80% AI deal score

$2,862

$2,648

Save $214

From BWI

Elite

Aug 16

Seoul, South Korea

79% AI deal score

$5,144

$4,822

Save $322

From BWI

Elite

Aug 21

Seoul, South Korea

79% AI deal score

$5,180

$4,854

Save $326

From IAD

Elite

Jul 21

Seoul, South Korea

79% AI deal score

$2,812

$2,656

Save $156

From IAD

Elite

Aug 10

Seoul, South Korea

78% AI deal score

$5,459

From IAD

Elite

Aug 05

Seoul, South Korea

78% AI deal score

$5,791

From IAD

Elite

Aug 27

Seoul, South Korea

78% AI deal score

$6,430

From DCA

Elite

Dec 08

Seoul, South Korea

78% AI deal score

$21,842

From IAD

Elite

Sep 01

Seoul, South Korea

77% AI deal score

$7,128

From IAD

Elite

Jul 27

Seoul, South Korea

76% AI deal score

$6,191

From DCA

Elite

Nov 17

Seoul, South Korea

76% AI deal score

$21,819

From DCA

Elite

Nov 17

Seoul, South Korea

76% AI deal score

$21,819

From DCA

Elite

Nov 17

Seoul, South Korea

76% AI deal score

$21,819

From DCA

Elite

Nov 17

Seoul, South Korea

76% AI deal score

$21,826

From DCA

Elite

Nov 17

Seoul, South Korea

76% AI deal score

$21,826

From DCA

Elite

Nov 17

Seoul, South Korea

76% AI deal score

$21,842

From BWI

Elite

Oct 05

Seoul, South Korea

76% AI deal score

$2,866

From BWI

Elite

Sep 07

Seoul, South Korea

76% AI deal score

$2,866

From BWI

Elite

Nov 29

Seoul, South Korea

76% AI deal score

$2,906

From BWI

Elite

Oct 22

Seoul, South Korea

76% AI deal score

$2,916

From BWI

Elite

Aug 17

Seoul, South Korea

76% AI deal score

$2,916

From BWI

Elite

Oct 28

Seoul, South Korea

76% AI deal score

$2,926

From BWI

Elite

Oct 15

Seoul, South Korea

76% AI deal score

$2,926

From IAD

Elite

Aug 05

Seoul, South Korea

76% AI deal score

$2,950

From IAD

Elite

Aug 06

Seoul, South Korea

76% AI deal score

$2,950

From IAD

Elite

Oct 07

Seoul, South Korea

76% AI deal score

$2,950

From IAD

Elite

Jul 22

Seoul, South Korea

76% AI deal score

$2,950

From IAD

Elite

Sep 09

Seoul, South Korea

76% AI deal score

$2,957

From IAD

Elite

Sep 03

Seoul, South Korea

76% AI deal score

$2,966

From IAD

Elite

Aug 27

Seoul, South Korea

76% AI deal score

$2,966

From IAD

Elite

Sep 07

Seoul, South Korea

76% AI deal score

$2,966

From IAD

Elite

Sep 16

Seoul, South Korea

76% AI deal score

$2,966

From IAD

Elite

Aug 24

Seoul, South Korea

76% AI deal score

$2,966

From IAD

Elite

Sep 07

Seoul, South Korea

76% AI deal score

$2,966

From IAD

Elite

Oct 05

Seoul, South Korea

76% AI deal score

$2,966

Frequently Asked Questions About Flights to Seoul

Historically, the lowest average prices for flights from Washington, D.C. to Seoul have been found when booking within 0-6 days of departure, with an average price of $1474. Prices tend to increase as you book further out, for example, flights booked 14-27 days in advance averaged $2191. Even booking 60+ days out typically resulted in a higher average price of $1646. This suggests that last-minute bookings can offer better value on this route.

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 observed for this route was $1739. Prices can go higher, with 75% of observed prices being $2139 or less. Travelers aiming for a budget-friendly trip should target prices 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 competitive prices, with a median of $920. In contrast, the annual median price for this route was $1739, indicating significant savings are possible during these months. September, while listed, had a median price of $1301, which was higher than the other cheapest months.