￥90,030 Cheap Flights from Washington (IAD) to Seoul (ICN)

View ￥90,030 flight on Mon, Apr 27, 2026Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Incheon Intl. Airport (ICN)

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Cheap Flights from Washington to Seoul (IAD-ICN)

Prices were available within the past 7 days and start at ￥90,030 for one-way flights and ￥166,056 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Mon, Dec 1 - Mon, Dec 15
IAD
Washington
ICN
Seoul
￥166,056 Roundtrip, found 6 days ago
￥166,056
Roundtrip
found 6 days ago
Select Turkish Airlines flight, departing Mon, Dec 1 from Washington to Seoul, returning Mon, Dec 15, priced at ￥166,056 found 6 days ago
Turkish Airlines
Tue, Dec 9 - Thu, Dec 18
IAD
Washington
ICN
Seoul
￥174,025 Roundtrip, found 5 days ago
￥174,025
Roundtrip
found 5 days ago
Select Turkish Airlines flight, departing Tue, Dec 9 from Washington to Seoul, returning Thu, Dec 18, priced at ￥174,025 found 5 days ago
Turkish Airlines
Mon, Dec 1 - Mon, Dec 15
IAD
Washington
ICN
Seoul
￥175,240 Roundtrip, found 6 days ago
￥175,240
Roundtrip
found 6 days ago
Select Turkish Airlines flight, departing Mon, Dec 1 from Washington to Seoul, returning Mon, Dec 15, priced at ￥175,240 found 6 days ago
Turkish Airlines
Thu, Dec 4 - Wed, Dec 17
IAD
Washington
ICN
Seoul
￥176,240 Roundtrip, found 2 days ago
￥176,240
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Thu, Dec 4 from Washington to Seoul, returning Wed, Dec 17, priced at ￥176,240 found 2 days ago
Turkish Airlines
Thu, Jan 15 - Wed, Jan 21
IAD
Washington
ICN
Seoul
￥181,528 Roundtrip, found 2 days ago
￥181,528
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Thu, Jan 15 from Washington to Seoul, returning Wed, Jan 21, priced at ￥181,528 found 2 days ago
Turkish Airlines
Sat, Dec 6 - Tue, Dec 16
IAD
Washington
ICN
Seoul
￥182,340 Roundtrip, found 2 days ago
￥182,340
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Sat, Dec 6 from Washington to Seoul, returning Tue, Dec 16, priced at ￥182,340 found 2 days ago
Lufthansa
Thu, Dec 4 - Wed, Dec 17
IAD
Washington
ICN
Seoul
￥248,970 Roundtrip, found 2 days ago
￥248,970
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Thu, Dec 4 from Washington to Seoul, returning Wed, Dec 17, priced at ￥248,970 found 2 days ago
United
Mon, Dec 8 - Thu, Dec 18
IAD
Washington
ICN
Seoul
￥257,370 Roundtrip, found 2 days ago
￥257,370
Roundtrip
found 2 days ago
Select United flight, departing Mon, Dec 8 from Washington to Seoul, returning Thu, Dec 18, priced at ￥257,370 found 2 days ago
Air Canada
Wed, Feb 4 - Sat, Feb 21
IAD
Washington
ICN
Seoul
￥266,900 Roundtrip, found 1 day ago
￥266,900
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Feb 4 from Washington to Seoul, returning Sat, Feb 21, priced at ￥266,900 found 1 day ago
Asiana Airlines
Mon, Nov 10 - Mon, Nov 17
IAD
Washington
ICN
Seoul
￥330,200 Roundtrip, found 2 days ago
￥330,200
Roundtrip
found 2 days ago
Select Asiana Airlines flight, departing Mon, Nov 10 from Washington to Seoul, returning Mon, Nov 17, priced at ￥330,200 found 2 days ago

Find the cheapest month to fly from Washington (IAD) to Seoul (ICN)

March is typically the cheapest month to fly

From ￥131,286 - ￥257,498 per traveler.

Frequently asked questions

How much is a flight from Washington Dulles Intl. Airport (IAD) to Seoul–Incheon Intl. Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight from IAD to ICN was ￥166,056. Fares this cheap don't hang around, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Dulles Intl. Airport to Incheon Airport?
We understand that life can throw the odd curveball, so we've made it as simple as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from IAD to Incheon Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Dulles Intl. Airport to Seoul–Incheon Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Washington Dulles Intl. Airport (IAD) to Incheon Airport?
To comfortably pass the 19 hours and 31 minutes flight time between Washington Dulles Intl. Airport (IAD) and Incheon Intl. Airport (ICN), it's smart to prepare before you leave home. A smartphone filled with your favorite shows is a terrific start.
How far is the flight from IAD to Incheon Airport?
With around 11,200 kilometers separating Chantilly and South Korea, your flight will be a long one. Pack wisely and make your time on board comfortable. Simple things like warm clothes and a cozy travel pillow can make a big difference.
Which airlines fly direct from IAD to ICN?
Flying straight from IAD to Incheon Airport is a breeze with Korean Air (KE). This top carrier offers 30 flights every month.
Are Washington Dulles Intl. Airport (IAD) to Incheon Intl. Airport (ICN) flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally nab a bargain, with some of the cheapest fares from IAD to ICN emerging a few weeks before the departure date. If you'd rather plan ahead, Expedia compares and updates all the best flight deals regularly — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines release prices so far in advance.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, Air China, American Airlines, Delta, Emirates, Ethiopian Airlines, Etihad Airways, Korean Air, Lufthansa, Qatar Airways, Turkish Airlines, United
Roundtrip price
￥166,055
Distance
11108 km
Average flight time
15 hours 50 mins

Book with confidence

Washington to Seoul Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Washington to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Seoul.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with IAD to ICN flights that won’t make your bank account wince. Ready to temporarily leave behind Washington for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to ICN with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

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