￥70,490 Cheap Flights from Washington (IAD) to Seoul (ICN)

View ￥70,490 flight on Fri, Jan 16, 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 ￥70,490 for one-way flights and ￥177,520 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Wed, Jan 14 - Fri, Jan 23
IAD
Washington
ICN
Seoul
￥177,520 Roundtrip, found 4 days ago
￥177,520
Roundtrip
found 4 days ago
Select Turkish Airlines flight, departing Wed, Jan 14 from Washington to Seoul, returning Fri, Jan 23, priced at ￥177,520 found 4 days ago
Turkish Airlines
Thu, Mar 12 - Tue, Mar 17
IAD
Washington
ICN
Seoul
￥177,900 Roundtrip, found 19 hours ago
￥177,900
Roundtrip
found 19 hours ago
Select Turkish Airlines flight, departing Thu, Mar 12 from Washington to Seoul, returning Tue, Mar 17, priced at ￥177,900 found 19 hours ago
Turkish Airlines
Mon, Oct 19 - Mon, Oct 26
IAD
Washington
ICN
Seoul
￥184,100 Roundtrip, found 2 days ago
￥184,100
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Mon, Oct 19 from Washington to Seoul, returning Mon, Oct 26, priced at ￥184,100 found 2 days ago
Turkish Airlines
Wed, Jan 14 - Fri, Jan 23
IAD
Washington
ICN
Seoul
￥185,320 Roundtrip, found 4 days ago
￥185,320
Roundtrip
found 4 days ago
Select Turkish Airlines flight, departing Wed, Jan 14 from Washington to Seoul, returning Fri, Jan 23, priced at ￥185,320 found 4 days ago
Air China
Thu, Mar 12 - Tue, Mar 17
IAD
Washington
ICN
Seoul
￥232,920 Roundtrip, found 19 hours ago
￥232,920
Roundtrip
found 19 hours ago
Select Air China flight, departing Thu, Mar 12 from Washington to Seoul, returning Tue, Mar 17, priced at ￥232,920 found 19 hours ago
Delta
Tue, Apr 7 - Wed, Apr 22
IAD
Washington
ICN
Seoul
￥258,430 Roundtrip, found 3 days ago
￥258,430
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Apr 7 from Washington to Seoul, returning Wed, Apr 22, priced at ￥258,430 found 3 days ago
Delta
Tue, Apr 7 - Wed, Apr 22
IAD
Washington
ICN
Seoul
￥258,430 Roundtrip, found 3 days ago
￥258,430
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Apr 7 from Washington to Seoul, returning Wed, Apr 22, priced at ￥258,430 found 3 days ago
Korean Air
Tue, Apr 7 - Wed, Apr 22
IAD
Washington
ICN
Seoul
￥258,710 Roundtrip, found 3 days ago
￥258,710
Roundtrip
found 3 days ago
Select Korean Air flight, departing Tue, Apr 7 from Washington to Seoul, returning Wed, Apr 22, priced at ￥258,710 found 3 days ago
United
Tue, Apr 7 - Wed, Apr 22
IAD
Washington
ICN
Seoul
￥259,310 Roundtrip, found 3 days ago
￥259,310
Roundtrip
found 3 days ago
Select United flight, departing Tue, Apr 7 from Washington to Seoul, returning Wed, Apr 22, priced at ￥259,310 found 3 days ago
Alaska Airlines
Tue, Apr 7 - Wed, Apr 22
IAD
Washington
ICN
Seoul
￥259,310 Roundtrip, found 3 days ago
￥259,310
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Apr 7 from Washington to Seoul, returning Wed, Apr 22, priced at ￥259,310 found 3 days ago

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

March is typically the cheapest month to fly

From ￥132,259 - ￥265,334 per traveler.
Flights from Washington (IAD) to Seoul (ICN)
Origin airport
Washington Dulles Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, Air China, Air France, American Airlines, Asiana Airlines, Delta, Emirates, Etihad Airways, KLM, Korean Air, Lufthansa, Qatar Airways, Turkish Airlines, United
Roundtrip price
￥177,520
Distance
11108 km
Average flight time
15 hours 50 mins

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.

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 ￥177,520. 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.

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