$383 Find Cheap Flights from Washington, D.C. to Seoul - Compare and Save

These are the earliest and latest flight times available from Washington, D.C. to Seoul:

• Earliest: departs at 12:35 am and lands at 4:25 pm
• Latest: departs at 11:35 pm and lands at 3:25 pm.

The flight takes about 15h 50m.

Four cabin classes are available on flights from Washington, D.C. to Seoul:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A nonstop flight from Washington, D.C. to Seoul takes 15h 50m, covering 6,933 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from Washington, D.C. to Seoul range from $1,192 to $1,754, with an average of $1,483 over the past 12 months. Anything below $1,192 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 19% above the $1,483 route average. Book 6 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $942 round-trip via Beijing Capital (PEK), compared to $1,495 for nonstop.

Morning is the busiest departure period on Washington, D.C. to Seoul flights, with 50% of flights leaving in that window. Night departures account for 50%, afternoon flights for 0%, and evening flights for 0%.

One-way fares from Washington, D.C. to Seoul are currently lower than usual. Average one-way flight prices are about $558, which is 25% below the typical average for this route.

Since Seoul is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Incheon Intl Airport (ICN) — daily rates averaging $47:

• WECAR
• Wheego
• Yesaway
• Alamo
• Enterprise Rent-A-Car

Near Seoul Gimpo Intl Airport (GMP) — daily rates averaging $51:

• Wheego
• Yesaway
• Hi Rent
• Europcar
• Cartago Rent A Car

Flights from Washington, D.C. to Seoul may depart from several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD), with arrivals available at Seoul area airports such as Seoul Gimpo Intl (GMP) and Incheon Intl (ICN).

One-stop flights from Washington, D.C. to Seoul most commonly connect through:

• Toronto Pearson Intl (YYZ) - 22% of one-stop connections
• Istanbul (IST) - 21% of one-stop connections
• Taipei City Taiwan Taoyuan Intl (TPE) - 15% of one-stop connections
• Dallas/Fort Worth (DFW) - 14% of one-stop connections

Yes. Flexible dates can save you up to 20% on flights from Washington, D.C. to Seoul. Wednesday is the cheapest departure day at $1,393 round-trip on average, while Saturday is the most expensive at $1,729, a difference of $336.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

2 airlines operate flights between Washington, D.C. and Seoul. The airlines offering nonstop flights on this route include:

• Korean Air
• AIR PREMIA

Flying via Toronto Pearson Intl (YYZ) gives the shortest average 1-stop total travel time at 17h 46m, compared with 17h 52m via Montreal Pierre Elliott Trudeau Intl (YUL) and 18h 15m via Atlanta Hartsfield-Jackson (ATL).

Seoul is 13 hours ahead of Washington, D.C. (Korean Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Seoul are Dongdaemun Market and COEX Convention and Exhibition Center. These are among the most viewed places in Seoul on KAYAK.

Among airlines operating Washington, D.C. to Seoul flights:

• Korean Air: offers extra legroom; offers free seat selection
• Delta: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• AIR PREMIA: a cabin bag and a checked bag in Economy Class
• Korean Air: a cabin bag and a checked bag in Economy Class
• Delta: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

The most crucial document you will need is a valid passport. Your passport should be valid for at least six months beyond your intended stay in South Korea. South Korea has visa-free arrangements with many countries, including the United States. U.S. citizens visiting South Korea for tourism or business purposes are generally allowed to stay for up to 90 days without a visa.

Korean Air offers special meal options such as vegetarian, vegan, gluten-free, and kosher. United Airlines also offer a range of special meals, including vegetarian, vegan, gluten-free, lactose-free, and diabetic-friendly options. Passengers can request these special meals in advance during the booking process or by contacting the airline directly.

JAL has a loyalty program called JAL Mileage Bank, where members can earn miles and use them to upgrade their seats, subject to availability and specific rules and conditions. Additionally, JAL offers the option of purchasing an upgrade to first class using cash. Depending on availability, this can be done at the time of booking or during check-in.

One popular method is to take the Airport Railroad Express (AREX), which provides both an Express Train and an All-Stop Train. The Express Train offers a non-stop journey to Seoul Station, a central transportation hub, in about 43 minutes. The All-Stop Train makes multiple stops along the way, taking approximately 53 minutes to reach Seoul Station. Both options offer plenty of seating and designated spaces for luggage storage.