S$782 Cheap Flights from Washington to Seoul

View S$782 flight on Sat, 31 Jan, 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 S$782 for one-way flights and S$1,526 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Thu, 27 Nov - Mon, 1 Dec
IAD
Washington
ICN
Seoul
S$1,526 Return, found 5 days ago
S$1,526
Return
found 5 days ago
Select Turkish Airlines flight, departing Thu, 27 Nov from Washington to Seoul, returning Mon, 1 Dec, priced at S$1,526 found 5 days ago
Turkish Airlines
Mon, 24 Nov - Sat, 29 Nov
IAD
Washington
ICN
Seoul
S$1,679 Return, found 3 days ago
S$1,679
Return
found 3 days ago
Select Turkish Airlines flight, departing Mon, 24 Nov from Washington to Seoul, returning Sat, 29 Nov, priced at S$1,679 found 3 days ago
Air Canada
Thu, 27 Nov - Mon, 1 Dec
IAD
Washington
ICN
Seoul
S$1,877 Return, found 5 days ago
S$1,877
Return
found 5 days ago
Select Air Canada flight, departing Thu, 27 Nov from Washington to Seoul, returning Mon, 1 Dec, priced at S$1,877 found 5 days ago
Air Canada
Mon, 24 Nov - Sat, 29 Nov
IAD
Washington
ICN
Seoul
S$1,969 Return, found 3 days ago
S$1,969
Return
found 3 days ago
Select Air Canada flight, departing Mon, 24 Nov from Washington to Seoul, returning Sat, 29 Nov, priced at S$1,969 found 3 days ago
Turkish Airlines
Mon, 24 Nov - Sat, 29 Nov
IAD
Washington
ICN
Seoul
S$1,975 Return, found 3 days ago
S$1,975
Return
found 3 days ago
Select Turkish Airlines flight, departing Mon, 24 Nov from Washington to Seoul, returning Sat, 29 Nov, priced at S$1,975 found 3 days ago
Air Canada
Thu, 27 Nov - Mon, 1 Dec
IAD
Washington
ICN
Seoul
S$2,007 Return, found 5 days ago
S$2,007
Return
found 5 days ago
Select Air Canada flight, departing Thu, 27 Nov from Washington to Seoul, returning Mon, 1 Dec, priced at S$2,007 found 5 days ago
Air Canada
Thu, 27 Nov - Mon, 1 Dec
IAD
Washington
ICN
Seoul
S$2,015 Return, found 5 days ago
S$2,015
Return
found 5 days ago
Select Air Canada flight, departing Thu, 27 Nov from Washington to Seoul, returning Mon, 1 Dec, priced at S$2,015 found 5 days ago
United
Thu, 27 Nov - Mon, 1 Dec
IAD
Washington
ICN
Seoul
S$2,062 Return, found 5 days ago
S$2,062
Return
found 5 days ago
Select United flight, departing Thu, 27 Nov from Washington to Seoul, returning Mon, 1 Dec, priced at S$2,062 found 5 days ago
Air France
Thu, 27 Nov - Mon, 1 Dec
IAD
Washington
ICN
Seoul
S$2,318 Return, found 5 days ago
S$2,318
Return
found 5 days ago
Select Air France flight, departing Thu, 27 Nov from Washington to Seoul, returning Mon, 1 Dec, priced at S$2,318 found 5 days ago
KLM
Thu, 27 Nov - Mon, 1 Dec
IAD
Washington
ICN
Seoul
S$2,331 Return, found 5 days ago
S$2,331
Return
found 5 days ago
Select KLM flight, departing Thu, 27 Nov from Washington to Seoul, returning Mon, 1 Dec, priced at S$2,331 found 5 days ago

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

March is typically the cheapest month to fly

From S$1,110 - S$1,948 per traveller.

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 S$1,526. 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 kilometres 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 favourite with many travellers, 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.

Travel information

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, Air France, American Airlines, Delta, Emirates, Ethiopian Airlines, Etihad Airways, Korean Air, Lufthansa, United
Return price
S$1,525
Distance
11108 km
Average flight time
14 hours 25 mins

Book with confidence

Book with confidence

Perfect flights from Washington to Seoul

Your Journey from Washington to Seoul

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With Expedia, you have access to a wide range of airlines, including Alaska Airlines, Air Canada, Etihad Airways, United, Air China, Delta, American Airlines, Turkish Airlines, Air France, KLM. Our selection of flights from Washington Dulles Intl. to Incheon 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.
 

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Experience the joy of finding cheap flights from Washington Dulles Intl. to Incheon Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$782 and roundtrip prices from S$1,526*.
 

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Experience the Vibrant Seoul

Picture yourself stepping off the plane in Seoul 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.
 

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Book Your Flight from Washington to Seoul with Confidence

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Washington to Seoul

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Explore a world of travel with Expedia

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