S$845 Cheap Flights from Seoul to Washington

View S$845 flight on Wed, 18 Mar, 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 S$845 for one-way flights and S$782 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 29 Jan - Wed, 11 Feb
ICN
Seoul
IAD
Washington
S$782 Return, found 1 day ago
S$782
Return
found 1 day ago
Select United flight, departing Thu, 29 Jan from Seoul to Washington, returning Wed, 11 Feb, priced at S$782 found 1 day ago
Asiana Airlines
Thu, 29 Jan - Wed, 11 Feb
ICN
Seoul
IAD
Washington
S$944 Return, found 1 day ago
S$944
Return
found 1 day ago
Select Asiana Airlines flight, departing Thu, 29 Jan from Seoul to Washington, returning Wed, 11 Feb, priced at S$944 found 1 day ago
United
Fri, 2 Oct - Fri, 16 Oct
ICN
Seoul
IAD
Washington
S$984 Return, found 2 days ago
S$984
Return
found 2 days ago
Select United flight, departing Fri, 2 Oct from Seoul to Washington, returning Fri, 16 Oct, priced at S$984 found 2 days ago
United
Thu, 29 Jan - Wed, 11 Feb
ICN
Seoul
IAD
Washington
S$1,145 Return, found 1 day ago
S$1,145
Return
found 1 day ago
Select United flight, departing Thu, 29 Jan from Seoul to Washington, returning Wed, 11 Feb, priced at S$1,145 found 1 day ago
United
Thu, 23 Apr - Fri, 8 May
ICN
Seoul
IAD
Washington
S$1,185 Return, found 1 day ago
S$1,185
Return
found 1 day ago
Select United flight, departing Thu, 23 Apr from Seoul to Washington, returning Fri, 8 May, priced at S$1,185 found 1 day ago
Asiana Airlines
Thu, 23 Apr - Fri, 8 May
ICN
Seoul
IAD
Washington
S$1,467 Return, found 1 day ago
S$1,467
Return
found 1 day ago
Select Asiana Airlines flight, departing Thu, 23 Apr from Seoul to Washington, returning Fri, 8 May, priced at S$1,467 found 1 day ago
American Airlines
Thu, 23 Apr - Fri, 8 May
ICN
Seoul
IAD
Washington
S$1,538 Return, found 1 day ago
S$1,538
Return
found 1 day ago
Select American Airlines flight, departing Thu, 23 Apr from Seoul to Washington, returning Fri, 8 May, priced at S$1,538 found 1 day ago
Air Canada
Thu, 23 Apr - Fri, 8 May
ICN
Seoul
IAD
Washington
S$1,640 Return, found 1 day ago
S$1,640
Return
found 1 day ago
Select Air Canada flight, departing Thu, 23 Apr from Seoul to Washington, returning Fri, 8 May, priced at S$1,640 found 1 day ago
Delta
Thu, 29 Jan - Wed, 11 Feb
ICN
Seoul
IAD
Washington
S$1,646 Return, found 1 day ago
S$1,646
Return
found 1 day ago
Select Delta flight, departing Thu, 29 Jan from Seoul to Washington, returning Wed, 11 Feb, priced at S$1,646 found 1 day ago
Korean Air
Thu, 29 Jan - Wed, 11 Feb
ICN
Seoul
IAD
Washington
S$1,676 Return, found 1 day ago
S$1,676
Return
found 1 day ago
Select Korean Air flight, departing Thu, 29 Jan from Seoul to Washington, returning Wed, 11 Feb, priced at S$1,676 found 1 day ago

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

November is typically the cheapest month to fly

From S$550 - S$1,178 per traveller.
Seoul to Washington route information
Origin airport
Incheon Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, Asiana Airlines, Delta, Emirates, Ethiopian Airlines, Etihad Airways, KLM, Korean Air, Lufthansa, Qatar Airways, Turkish Airlines, United
Return price
S$782
Distance
11108 km
Average flight time
13 hours 35 mins

Perfect flights from Seoul to Washington

Your Journey from Seoul to Washington

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Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including United, Air Canada, Asiana Airlines, Ethiopian Airlines, Air China, Turkish Airlines, American Airlines, Delta, Korean Air. Our selection of flights from Incheon Intl. to Washington Dulles Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Seoul to Washington Flights

Experience the joy of finding cheap flights from Incheon Intl. to Washington Dulles Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$845 and roundtrip prices from S$782*.
 

Pre-Flight Essentials

Ensure a smooth journey from Seoul to Washington with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Washington

Picture yourself stepping off the plane in Washington and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Seoul to Washington Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Seoul to Washington.
 

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Book Your Flight from Seoul to Washington with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Seoul to Washington with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Seoul–Incheon Intl. Airport to Dulles Intl. Airport?
Start packing your suitcase, because round-trip journeys between Seoul–Incheon Intl. Airport and Washington Dulles Intl. Airport (IAD) start from S$782. That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book now to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Incheon Airport to Washington Dulles Intl. Airport (IAD)?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from Seoul–Incheon Intl. Airport to Dulles Intl. 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 Seoul–Incheon Intl. Airport to Dulles Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Incheon Intl. Airport (ICN) to IAD?
With a flight distance of 11,200 kilometres from Seoul–Incheon Intl. Airport (ICN) to IAD (IAD), this is a long flight. Make sure you keep well hydrated and move your legs every so often.
Which airlines fly direct from Incheon Airport to Washington Dulles Intl. Airport (IAD)?
Korean Air (KE) will take you from Incheon Airport to Washington Dulles Intl. Airport (IAD) safely and reliably. Take your pick of 30 direct flights every month on this route.
Are ICN to Dulles Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes nab a bargain, with some of the cheapest airfares from Seoul–Incheon Intl. Airport to Washington Dulles Intl. Airport (IAD) showing up a few weeks before the departure date. If you'd rather plan ahead of time, Expedia compares and updates all the best flight deals continually — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines release prices that far in advance.

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