￥76,630 Cheap Flights from Seoul (ICN) to Washington (IAD)

View ￥76,630 flight on Thu, May 28, 2026Opens in a new window

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

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Cheap Flights from Seoul to Washington (ICN-IAD)

Prices were available within the past 7 days and start at ￥76,630 for one-way flights and ￥71,340 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, Nov 21 - Tue, Nov 25
ICN
Seoul
IAD
Washington
￥71,340 Roundtrip, found 4 days ago
￥71,340
Roundtrip
found 4 days ago
Select Air Canada flight, departing Fri, Nov 21 from Seoul to Washington, returning Tue, Nov 25, priced at ￥71,340 found 4 days ago
Alaska Airlines
Wed, Apr 22 - Mon, May 4
ICN
Seoul
IAD
Washington
￥72,040 Roundtrip, found 9 hours ago
￥72,040
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Wed, Apr 22 from Seoul to Washington, returning Mon, May 4, priced at ￥72,040 found 9 hours ago
Air Canada
Fri, Nov 21 - Tue, Nov 25
ICN
Seoul
IAD
Washington
￥72,340 Roundtrip, found 4 days ago
￥72,340
Roundtrip
found 4 days ago
Select Air Canada flight, departing Fri, Nov 21 from Seoul to Washington, returning Tue, Nov 25, priced at ￥72,340 found 4 days ago
American Airlines
Tue, Feb 10 - Mon, Feb 16
ICN
Seoul
IAD
Washington
￥72,680 Roundtrip, found 1 day ago
￥72,680
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Feb 10 from Seoul to Washington, returning Mon, Feb 16, priced at ￥72,680 found 1 day ago
United
Fri, Apr 24 - Wed, May 6
ICN
Seoul
IAD
Washington
￥76,240 Roundtrip, found 9 hours ago
￥76,240
Roundtrip
found 9 hours ago
Select United flight, departing Fri, Apr 24 from Seoul to Washington, returning Wed, May 6, priced at ￥76,240 found 9 hours ago
Asiana Airlines
Thu, Dec 4 - Sat, Dec 6
ICN
Seoul
IAD
Washington
￥158,360 Roundtrip, found 7 hours ago
￥158,360
Roundtrip
found 7 hours ago
Select Asiana Airlines flight, departing Thu, Dec 4 from Seoul to Washington, returning Sat, Dec 6, priced at ￥158,360 found 7 hours ago
Air China
Mon, Nov 17 - Fri, Nov 21
ICN
Seoul
IAD
Washington
￥179,780 Roundtrip, found 4 days ago
￥179,780
Roundtrip
found 4 days ago
Select Air China flight, departing Mon, Nov 17 from Seoul to Washington, returning Fri, Nov 21, priced at ￥179,780 found 4 days ago
Delta
Thu, Dec 25 - Tue, Dec 30
ICN
Seoul
IAD
Washington
￥196,300 Roundtrip, found 4 hours ago
￥196,300
Roundtrip
found 4 hours ago
Select Delta flight, departing Thu, Dec 25 from Seoul to Washington, returning Tue, Dec 30, priced at ￥196,300 found 4 hours ago
Korean Air
Fri, Apr 24 - Wed, May 6
ICN
Seoul
IAD
Washington
￥199,580 Roundtrip, found 9 hours ago
￥199,580
Roundtrip
found 9 hours ago
Select Korean Air flight, departing Fri, Apr 24 from Seoul to Washington, returning Wed, May 6, priced at ￥199,580 found 9 hours ago
Ethiopian Airlines
Thu, Nov 13 - Mon, Nov 17
ICN
Seoul
IAD
Washington
￥219,700 Roundtrip, found 2 days ago
￥219,700
Roundtrip
found 2 days ago
Select Ethiopian Airlines flight, departing Thu, Nov 13 from Seoul to Washington, returning Mon, Nov 17, priced at ￥219,700 found 2 days ago

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

September is typically the cheapest month to fly

From ￥66,022 - ￥155,427 per traveler.

Frequently asked questions

How much is a flight from Incheon Airport to IAD?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip flight between Incheon Airport and IAD was ￥71,340. Fares this good don't stick around for long, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from ICN to IAD?
The majority of flights can be canceled online, but each airline has its own set of terms and conditions. If you do have to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Incheon Airport to Washington Dulles Intl. Airport (IAD) 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 Incheon Intl. Airport (ICN) to IAD flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Seoul–Incheon Intl. Airport to Washington Dulles Intl. Airport (IAD)?
Averaging 19 hours and 11 minutes, the journey from Incheon Airport to Dulles Intl. Airport is a long one. To make your in-flight experience more comfortable, remember to pack a good neck pillow and a set of noise-canceling earphones.
How far is the flight from ICN to Washington Dulles Intl. Airport (IAD)?
South Korea to Chantilly is around 11,200 kilometers, so be prepared to spend a while in the air. Make sure you pack all the essentials, from your eye mask to your earphones. Throw in a couple of snacks to nibble on throughout your journey too.
Which airlines fly direct from ICN to Washington Dulles Intl. Airport (IAD)?
Operating 30 monthly flights, Korean Air (KE) is a popular choice when flying directly from Incheon Airport to Washington Dulles Intl. Airport (IAD).
Are Incheon Intl. Airport (ICN) to IAD flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Seoul–Incheon Intl. Airport to IAD at the last minute could save you some cash. However, it could end up costing you a whole lot more! If you'd rather err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred carrier hasn't released tickets yet, check back frequently as deals are updated all the time on Expedia.

Travel information

Origin airport
Incheon Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, Air China, Air France, American Airlines, Asiana Airlines, Delta, Emirates, Ethiopian Airlines, Etihad Airways, KLM, Korean Air, Lufthansa, Qatar Airways, Turkish Airlines, United
Roundtrip price
￥71,340
Distance
11108 km
Average flight time
13 hours 35 mins

Book with confidence

Seoul to Washington 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 Seoul 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 Washington.

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 ICN to IAD flights that won’t make your bank account wince. Ready to temporarily leave behind Seoul 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 IAD 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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