$1,018 Cheap Korean Air flights Washington (IAD) to Seoul (ICN)

Use the “Price (lowest to highest)” filter on Expedia to look for cheap Korean Air round-trip flights from $1,666 from IAD to ICN. Affordable one-way options from $1,018 are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Korean Air flights to Seoul are generally cheaper in the quieter months of January and February. Whether you need a return or one-way ticket, you could find a better deal then.

Landing the best Korean Air deals from IAD to ICN often comes down to timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. As an added bonus, you can pocket 17% on average by buying your tickets on a Sunday compared to a Friday, which is often the most expensive day to book.* It’s smart to kick off your flight search about one month before you plan to travel.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Korean Air offers direct flights from Washington Dulles Intl. Airport (IAD) to Incheon Intl. Airport (ICN), with 7 departures every week. Just apply the “Nonstop” and “Airline” filters during your search on Expedia to show all direct Korean Air flights to ICN.

It takes around 15h 50m to fly nonstop from Washington Dulles Intl. Airport (IAD) to Incheon Intl. Airport (ICN) with Korean Air.

The first Korean Air flight from IAD to ICN departs at 11:50AM UTC-5, touching down at 5:40PM UTC+9. If you prefer to head off later, the last Korean Air flight leaves IAD at 11:50AM UTC-5 and touches down at ICN at 5:40PM UTC+9. Flying before midday is generally a smart choice as morning flights tend to experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Korean Air flights from Washington Dulles Intl. Airport (IAD) to Seoul touch down at Incheon Intl. Airport (ICN). This is the main gateway to this destination.

For checked luggage, you can take 2 checked-in bags weighing up to 50 lb with dimensions not exceeding 62 inches. You can also bring 1 cabin bag on board when flying standard economy from IAD to ICN with Korean Air. This carry-on must weigh less than 39 lb and be no larger than 21 inches x 15 inches x 7 inches. Exceeding these restrictions can mean additional charges, so read Korean Air’s baggage allowance guidelines before you begin packing.

Journey from IAD to ICN with Korean Air and look forward to a host of benefits starting with a 5-star airline rating. When you book through Expedia as a Korean Airlines Skypass and One Key™ member, you can also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Hop on a Korean Air flight from Washington Dulles Intl. Airport (IAD) to Incheon Intl. Airport (ICN), and you’ll usually be on a Boeing 777-300ER. Bear in mind though, that the aircraft type can change due to operational needs.

Changes are typically free within 24 hours of booking, but your airline may add a charge after that time. For further information about altering your flights, check out your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to make changes without additional charges, apply the “Changes included” or “No cancel fee” filter when planning your next trip.