S$747 Cheap Flights from Washington to Seoul

View S$747 flight on Wed, 10 Dec, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Seoul

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Cheap Flights from Washington to Seoul (IAD-SEL)

Prices were available within the past 7 days and start at S$747 for one-way flights and S$1,321 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, 10 Dec - Wed, 7 Jan
IAD
Washington
ICN
Seoul
S$1,321 Return, found 2 days ago
S$1,321
Return
found 2 days ago
Select Air Canada flight, departing Wed, 10 Dec from Washington to Seoul, returning Wed, 7 Jan, priced at S$1,321 found 2 days ago
Air Canada
Sat, 30 Aug - Mon, 15 Sep
IAD
Washington
ICN
Seoul
S$1,498 Return, found 5 days ago
S$1,498
Return
found 5 days ago
Select Air Canada flight, departing Sat, 30 Aug from Washington to Seoul, returning Mon, 15 Sep, priced at S$1,498 found 5 days ago
Turkish Airlines
Thu, 12 Feb - Sat, 7 Mar
IAD
Washington
ICN
Seoul
S$1,561 Return, found 2 days ago
S$1,561
Return
found 2 days ago
Select Turkish Airlines flight, departing Thu, 12 Feb from Washington to Seoul, returning Sat, 7 Mar, priced at S$1,561 found 2 days ago
Air Canada
Thu, 12 Feb - Sat, 7 Mar
IAD
Washington
ICN
Seoul
S$1,574 Return, found 2 days ago
S$1,574
Return
found 2 days ago
Select Air Canada flight, departing Thu, 12 Feb from Washington to Seoul, returning Sat, 7 Mar, priced at S$1,574 found 2 days ago
Air Canada
Wed, 10 Sep - Sun, 21 Sep
IAD
Washington
ICN
Seoul
S$1,580 Return, found 2 days ago
S$1,580
Return
found 2 days ago
Select Air Canada flight, departing Wed, 10 Sep from Washington to Seoul, returning Sun, 21 Sep, priced at S$1,580 found 2 days ago
Alaska Airlines
Sat, 30 Aug - Mon, 15 Sep
IAD
Washington
ICN
Seoul
S$1,593 Return, found 5 days ago
S$1,593
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 30 Aug from Washington to Seoul, returning Mon, 15 Sep, priced at S$1,593 found 5 days ago
Alaska Airlines
Sat, 30 Aug - Mon, 15 Sep
IAD
Washington
ICN
Seoul
S$1,642 Return, found 5 days ago
S$1,642
Return
found 5 days ago
Select Alaska Airlines flight, departing Sat, 30 Aug from Washington to Seoul, returning Mon, 15 Sep, priced at S$1,642 found 5 days ago
Lufthansa
Wed, 10 Dec - Wed, 7 Jan
IAD
Washington
ICN
Seoul
S$2,000 Return, found 2 days ago
S$2,000
Return
found 2 days ago
Select Lufthansa flight, departing Wed, 10 Dec from Washington to Seoul, returning Wed, 7 Jan, priced at S$2,000 found 2 days ago
Delta
Mon, 11 Aug - Tue, 26 Aug
IAD
Washington
ICN
Seoul
S$2,157 Return, found 1 day ago
S$2,157
Return
found 1 day ago
Select Delta flight, departing Mon, 11 Aug from Washington to Seoul, returning Tue, 26 Aug, priced at S$2,157 found 1 day ago
United
Thu, 11 Sep - Sun, 21 Sep
IAD
Washington
ICN
Seoul
S$2,196 Return, just found
S$2,196
Return
just found
Select United flight, departing Thu, 11 Sep from Washington to Seoul, returning Sun, 21 Sep, priced at S$2,196 just found
Washington to Seoul route information
Origin airport
Washington Dulles Intl.
Destination airport
Incheon Intl.
Return price
S$1,321
Distance
11108 km

Perfect flights from Washington to Seoul

Your Journey from Washington to Seoul

Start your unforgettable journey with Expedia. Our broad selection of flights from Washington to Seoul caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Air Canada, Turkish Airlines, WestJet, Air India, Etihad Airways, Delta, Korean Air, All Nippon Airways, United, Alaska Airlines, Lufthansa. Our selection of flights from Washington Dulles Intl. to SEL-All Airports 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 Washington to Seoul Flights

Experience the joy of finding cheap flights from Washington Dulles Intl. to SEL-All Airports that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$747 and roundtrip prices from S$1,321*.
 

Pre-Flight Essentials

Ensure a smooth journey from Washington to Seoul 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 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.
 

Added Convenience on Your Washington to Seoul 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 Washington to Seoul.
 

Beyond the Flight – Exploring Seoul

With Expedia, your adventure extends beyond the flight. Explore Seoul at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Washington to Seoul 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 Washington to Seoul 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 Dulles Intl. Airport to Seoul (SEL-All Airports)?
The lowest price advertised for a round-trip flight between Washington Dulles Intl. Airport (IAD) and Seoul (SEL-All Airports) is S$1,321. But you better act fast. This price is taken from fares quoted within the last 7 days on Expedia for flights departing within the next year. 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 Seoul (SEL-All Airports)?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from Washington Dulles Intl. Airport (IAD) to Seoul (SEL-All Airports) 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 IAD to Seoul (SEL-All Airports) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Dulles Intl. Airport to Seoul (SEL-All Airports)?
The distance is around 11,200 kilometres. Earplugs? Check. Toiletries? Check. You'd be wise to pack all the essentials for this long-haul Chantilly to South Korea flight.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Seoul (SEL-All Airports)?
A popular choice with many travellers, Korean Air (KE) operates 30 monthly flights from IAD to Seoul (SEL-All Airports). Pick the one that fits with your travel schedule and book your ticket today.
Are Washington Dulles Intl. Airport (IAD) to Seoul (SEL-All Airports) flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from Washington Dulles Intl. Airport (IAD) to Seoul (SEL-All Airports) can be hit-or-miss. You may be able to score a bargain, but then again, you could miss out! If you'd prefer to play it safe and start your trip planning ahead of time, Expedia compares flight deals up to 12 months in advance. Just bear in mind that not all airlines advertise their prices so far in advance. Our advice? Check back often as updates are made frequently.

Explore a world of travel with Expedia

Seoul Airports

Seoul

Washington to Incheon Intl.
S$1,320.80
*Available to Expedia members.