￥64,920 Cheap Flights from Seoul (ICN) to Washington (IAD)

View ￥64,920 flight on Wed, Oct 15, 2025Opens 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 ￥64,920 for one-way flights and ￥72,060 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Oct 17 - Tue, Dec 2
ICN
Seoul
IAD
Washington
￥72,060 Roundtrip, found 1 day ago
￥72,060
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Oct 17 from Seoul to Washington, returning Tue, Dec 2, priced at ￥72,060 found 1 day ago
American Airlines
Wed, Nov 5 - Mon, Nov 10
ICN
Seoul
IAD
Washington
￥72,220 Roundtrip, found 5 days ago
￥72,220
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Nov 5 from Seoul to Washington, returning Mon, Nov 10, priced at ￥72,220 found 5 days ago
Air Canada
Thu, Dec 25 - Wed, Dec 31
ICN
Seoul
IAD
Washington
￥72,740 Roundtrip, found 1 day ago
￥72,740
Roundtrip
found 1 day ago
Select Air Canada flight, departing Thu, Dec 25 from Seoul to Washington, returning Wed, Dec 31, priced at ￥72,740 found 1 day ago
United
Thu, Feb 5 - Tue, Feb 10
ICN
Seoul
IAD
Washington
￥76,320 Roundtrip, found 1 day ago
￥76,320
Roundtrip
found 1 day ago
Select United flight, departing Thu, Feb 5 from Seoul to Washington, returning Tue, Feb 10, priced at ￥76,320 found 1 day ago
Alaska Airlines
Sun, Nov 2 - Sat, Nov 8
ICN
Seoul
IAD
Washington
￥88,500 Roundtrip, found 5 days ago
￥88,500
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sun, Nov 2 from Seoul to Washington, returning Sat, Nov 8, priced at ￥88,500 found 5 days ago
Delta
Fri, Oct 17 - Tue, Dec 2
ICN
Seoul
IAD
Washington
￥153,220 Roundtrip, found 1 day ago
￥153,220
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Oct 17 from Seoul to Washington, returning Tue, Dec 2, priced at ￥153,220 found 1 day ago
Asiana Airlines
Thu, Nov 6 - Thu, Nov 13
ICN
Seoul
IAD
Washington
￥157,970 Roundtrip, found 1 hour ago
￥157,970
Roundtrip
found 1 hour ago
Select Asiana Airlines flight, departing Thu, Nov 6 from Seoul to Washington, returning Thu, Nov 13, priced at ￥157,970 found 1 hour ago
WestJet
Sun, May 17 - Wed, Jun 3
ICN
Seoul
IAD
Washington
￥175,030 Roundtrip, found 5 days ago
￥175,030
Roundtrip
found 5 days ago
Select WestJet flight, departing Sun, May 17 from Seoul to Washington, returning Wed, Jun 3, priced at ￥175,030 found 5 days ago
Air China
Fri, Nov 7 - Fri, Nov 7
ICN
Seoul
IAD
Washington
￥175,570 Roundtrip, found 5 days ago
￥175,570
Roundtrip
found 5 days ago
Select Air China flight, departing Fri, Nov 7 from Seoul to Washington, returning Fri, Nov 7, priced at ￥175,570 found 5 days ago
Ethiopian Airlines
Mon, Nov 3 - Mon, Nov 10
ICN
Seoul
IAD
Washington
￥192,550 Roundtrip, found 2 days ago
￥192,550
Roundtrip
found 2 days ago
Select Ethiopian Airlines flight, departing Mon, Nov 3 from Seoul to Washington, returning Mon, Nov 10, priced at ￥192,550 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 ￥66,032 - ￥196,216 per traveler.
Flights from Seoul (ICN) to Washington (IAD)
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, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
￥72,060
Distance
11108 km
Average flight time
14 hours 30 mins

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.

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 ￥72,060. 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.

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