₩735,400 Cheap Flights from Washington (IAD) to Seoul (ICN)

View ₩735,400 flight on Wed, Aug 20, 2025Opens 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 ₩735,400 for one-way flights and ₩1,550,200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Tue, Mar 3 - Tue, Mar 31
IAD
Washington
ICN
Seoul
₩1,550,200 Roundtrip, found 1 day ago
₩1,550,200
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Tue, Mar 3 from Washington to Seoul, returning Tue, Mar 31, priced at ₩1,550,200 found 1 day ago
Air Canada
Sun, Dec 7 - Mon, Dec 15
IAD
Washington
ICN
Seoul
₩1,574,900 Roundtrip, found 6 days ago
₩1,574,900
Roundtrip
found 6 days ago
Select Air Canada flight, departing Sun, Dec 7 from Washington to Seoul, returning Mon, Dec 15, priced at ₩1,574,900 found 6 days ago
Cathay Pacific
Thu, Jan 8 - Tue, Jan 20
IAD
Washington
ICN
Seoul
₩1,763,400 Roundtrip, found 20 hours ago
₩1,763,400
Roundtrip
found 20 hours ago
Select Cathay Pacific flight, departing Thu, Jan 8 from Washington to Seoul, returning Tue, Jan 20, priced at ₩1,763,400 found 20 hours ago
Air China
Tue, Nov 18 - Fri, Nov 21
IAD
Washington
ICN
Seoul
₩1,765,400 Roundtrip, found 19 hours ago
₩1,765,400
Roundtrip
found 19 hours ago
Select Air China flight, departing Tue, Nov 18 from Washington to Seoul, returning Fri, Nov 21, priced at ₩1,765,400 found 19 hours ago
American Airlines
Mon, Sep 15 - Sat, Sep 20
IAD
Washington
ICN
Seoul
₩1,852,100 Roundtrip, found 2 days ago
₩1,852,100
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Sep 15 from Washington to Seoul, returning Sat, Sep 20, priced at ₩1,852,100 found 2 days ago
United
Thu, Aug 28 - Mon, Dec 15
IAD
Washington
ICN
Seoul
₩1,987,500 Roundtrip, found 1 day ago
₩1,987,500
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 28 from Washington to Seoul, returning Mon, Dec 15, priced at ₩1,987,500 found 1 day ago
Hawaiian Airlines
Thu, Oct 30 - Sat, Nov 15
IAD
Washington
ICN
Seoul
₩1,989,600 Roundtrip, found 20 hours ago
₩1,989,600
Roundtrip
found 20 hours ago
Select Hawaiian Airlines flight, departing Thu, Oct 30 from Washington to Seoul, returning Sat, Nov 15, priced at ₩1,989,600 found 20 hours ago
Alaska Airlines
Thu, Oct 23 - Fri, Dec 5
IAD
Washington
ICN
Seoul
₩1,994,100 Roundtrip, found 3 hours ago
₩1,994,100
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Thu, Oct 23 from Washington to Seoul, returning Fri, Dec 5, priced at ₩1,994,100 found 3 hours ago
Lufthansa
Wed, Dec 10 - Wed, Dec 24
IAD
Washington
ICN
Seoul
₩2,084,200 Roundtrip, found 20 hours ago
₩2,084,200
Roundtrip
found 20 hours ago
Select Lufthansa flight, departing Wed, Dec 10 from Washington to Seoul, returning Wed, Dec 24, priced at ₩2,084,200 found 20 hours ago
Delta
Thu, Aug 28 - Mon, Dec 15
IAD
Washington
ICN
Seoul
₩2,253,500 Roundtrip, found 1 day ago
₩2,253,500
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Aug 28 from Washington to Seoul, returning Mon, Dec 15, priced at ₩2,253,500 found 1 day ago

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

March is typically the cheapest month to fly

From ₩1,168,012 - ₩2,027,885 per traveler.

Graph displaying average flight prices per month

Flights from Washington (IAD) to Seoul (ICN)
Origin airport
Washington Dulles Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, Air China, Air France, Air India, Alaska Airlines, American Airlines, Cathay Pacific, Delta, Emirates, Ethiopian Airlines, Etihad Airways, Hawaiian Airlines, KLM, Korean Air, Lufthansa, Qatar Airways, Swiss International Air Lines, Turkish Airlines, United, WestJet
Roundtrip price
₩1,550,200
Distance
11108 km
Average flight time
14 hours 10 mins

Chantilly to Incheon 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 Chantilly to Incheon 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 Incheon.

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 Chantilly 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 IAD to Seoul--Incheon Intl. Airport?
Based on fares advertised within the last 7 days on Expedia for flights departing within the next year, round-trip flights between Washington Dulles Intl. Airport (IAD) and Incheon Airport start from ₩1,550,200. Make your booking today to secure the best price for your journey. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Washington Dulles Intl. Airport (IAD) to Seoul--Incheon Intl. Airport?
We get 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 Intl. Airport (ICN) 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 Incheon Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Washington Dulles Intl. Airport (IAD) to ICN?
With around 11,200 kilometers separating IAD and Incheon Airport, your flight will be a long one. Pack wisely and make your journey more comfortable. Things like an eye mask and a good travel pillow can make all the difference.
Which airlines fly direct from Dulles Intl. Airport to Seoul--Incheon Intl. Airport?
A favorite with many travelers, Korean Air (KE) operates 30 flights every month from IAD to Incheon Airport. Pick the one that fits with your travel schedule and book your fare today.
Are IAD to Seoul--Incheon Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from IAD to ICN can be hit-or-miss. You may be able to find a bargain, but then again, you could miss out entirely! If you'd prefer to start planning your trip ahead of time, Expedia compares flight deals up to 12 months in advance. Just bear in mind that not all airlines advertise their prices that far in advance. Our top tip? Check back often as prices are updated regularly.

Explore a world of travel with Expedia

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Baltimore Washington Intl. Thurgood Marshall to Seoul
₩1,448,500

Washington

Ronald Reagan Washington National to Seoul
₩1,574,900
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