NT$21,671 Cheap Flights from Washington (IAD) to Seoul (ICN)

View NT$21,671 flight on Sat, 2026/8/22Opens 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 NT$21,671 for one-way flights and NT$52,882 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Etihad Airways
Wed, May 27 - Wed, Jun 3
IAD
Washington
ICN
Seoul
NT$52,882 Roundtrip, found 1 day ago
NT$52,882
Roundtrip
found 1 day ago
Select Etihad Airways flight, departing Wed, May 27 from Washington to Seoul, returning Wed, Jun 3, priced at NT$52,882 found 1 day ago
American Airlines
Fri, Apr 24 - Fri, May 1
IAD
Washington
ICN
Seoul
NT$58,404 Roundtrip, found 5 days ago
NT$58,404
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Apr 24 from Washington to Seoul, returning Fri, May 1, priced at NT$58,404 found 5 days ago
Etihad Airways
Wed, May 27 - Wed, Jun 3
IAD
Washington
ICN
Seoul
NT$58,479 Roundtrip, found 1 day ago
NT$58,479
Roundtrip
found 1 day ago
Select Etihad Airways flight, departing Wed, May 27 from Washington to Seoul, returning Wed, Jun 3, priced at NT$58,479 found 1 day ago
Qatar Airways
Thu, May 28 - Thu, Jun 4
IAD
Washington
ICN
Seoul
NT$58,837 Roundtrip, found 15 hours ago
NT$58,837
Roundtrip
found 15 hours ago
Select Qatar Airways flight, departing Thu, May 28 from Washington to Seoul, returning Thu, Jun 4, priced at NT$58,837 found 15 hours ago
Qatar Airways
Wed, May 27 - Wed, Jun 3
IAD
Washington
ICN
Seoul
NT$58,877 Roundtrip, found 1 day ago
NT$58,877
Roundtrip
found 1 day ago
Select Qatar Airways flight, departing Wed, May 27 from Washington to Seoul, returning Wed, Jun 3, priced at NT$58,877 found 1 day ago
Etihad Airways
Thu, May 28 - Thu, Jun 4
IAD
Washington
ICN
Seoul
NT$59,086 Roundtrip, found 15 hours ago
NT$59,086
Roundtrip
found 15 hours ago
Select Etihad Airways flight, departing Thu, May 28 from Washington to Seoul, returning Thu, Jun 4, priced at NT$59,086 found 15 hours ago
Etihad Airways
Fri, Apr 24 - Fri, May 1
IAD
Washington
ICN
Seoul
NT$60,039 Roundtrip, found 5 days ago
NT$60,039
Roundtrip
found 5 days ago
Select Etihad Airways flight, departing Fri, Apr 24 from Washington to Seoul, returning Fri, May 1, priced at NT$60,039 found 5 days ago
Etihad Airways
Sun, May 24 - Sun, May 31
IAD
Washington
ICN
Seoul
NT$60,208 Roundtrip, found 5 days ago
NT$60,208
Roundtrip
found 5 days ago
Select Etihad Airways flight, departing Sun, May 24 from Washington to Seoul, returning Sun, May 31, priced at NT$60,208 found 5 days ago
Delta
Fri, Apr 24 - Fri, May 1
IAD
Washington
ICN
Seoul
NT$60,962 Roundtrip, found 5 days ago
NT$60,962
Roundtrip
found 5 days ago
Select Delta flight, departing Fri, Apr 24 from Washington to Seoul, returning Fri, May 1, priced at NT$60,962 found 5 days ago
Air Canada
Thu, May 28 - Thu, Jun 4
IAD
Washington
ICN
Seoul
NT$61,220 Roundtrip, found 15 hours ago
NT$61,220
Roundtrip
found 15 hours ago
Select Air Canada flight, departing Thu, May 28 from Washington to Seoul, returning Thu, Jun 4, priced at NT$61,220 found 15 hours ago

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

September is typically the cheapest month to fly

From NT$29,347 - NT$45,712 per traveler.

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 NT$52,882. 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.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, American Airlines, Delta, Emirates, Etihad Airways, KLM, Korean Air, Lufthansa, Qatar Airways, Turkish Airlines, United
Roundtrip price
NT$52,882
Distance
11108 km
Average flight time
14 hours 25 mins

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