Cheap Flights from Seoul (ICN) to Washington (IAD)

View AU$779 flight on Tue, 12 May 2026Opens in a new window

Flight 1

Popular airlines from Incheon Intl. Airport (ICN) to Washington Dulles International Airport (IAD)

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Cheap Flights from Seoul (ICN) to Washington (IAD)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Sat, 11 July - Sat, 1 Aug
ICN
Seoul
IAD
Washington
AU$1,995 Return, found 6 days ago
AU$1,995
Return
found 6 days ago
Select Qatar Airways flight, departing Sat, 11 July from Seoul to Washington, returning Sat, 1 Aug, priced at AU$1,995 found 6 days ago
Asiana Airlines
Sat, 11 July - Sat, 1 Aug
ICN
Seoul
IAD
Washington
AU$2,197 Return, found 6 days ago
AU$2,197
Return
found 6 days ago
Select Asiana Airlines flight, departing Sat, 11 July from Seoul to Washington, returning Sat, 1 Aug, priced at AU$2,197 found 6 days ago
United
Sat, 11 July - Sat, 1 Aug
ICN
Seoul
IAD
Washington
AU$2,380 Return, found 6 days ago
AU$2,380
Return
found 6 days ago
Select United flight, departing Sat, 11 July from Seoul to Washington, returning Sat, 1 Aug, priced at AU$2,380 found 6 days ago
American Airlines
Sat, 11 July - Sat, 1 Aug
ICN
Seoul
IAD
Washington
AU$2,403 Return, found 6 days ago
AU$2,403
Return
found 6 days ago
Select American Airlines flight, departing Sat, 11 July from Seoul to Washington, returning Sat, 1 Aug, priced at AU$2,403 found 6 days ago
Asiana Airlines
Sat, 11 July - Sat, 1 Aug
ICN
Seoul
IAD
Washington
AU$2,433 Return, found 6 days ago
AU$2,433
Return
found 6 days ago
Select Asiana Airlines flight, departing Sat, 11 July from Seoul to Washington, returning Sat, 1 Aug, priced at AU$2,433 found 6 days ago
United
Sat, 11 July - Sat, 1 Aug
ICN
Seoul
IAD
Washington
AU$2,475 Return, found 6 days ago
AU$2,475
Return
found 6 days ago
Select United flight, departing Sat, 11 July from Seoul to Washington, returning Sat, 1 Aug, priced at AU$2,475 found 6 days ago
Delta
Sat, 11 July - Sat, 1 Aug
ICN
Seoul
IAD
Washington
AU$2,481 Return, found 6 days ago
AU$2,481
Return
found 6 days ago
Select Delta flight, departing Sat, 11 July from Seoul to Washington, returning Sat, 1 Aug, priced at AU$2,481 found 6 days ago
Alaska Airlines
Sat, 11 July - Sat, 1 Aug
ICN
Seoul
IAD
Washington
AU$2,487 Return, found 6 days ago
AU$2,487
Return
found 6 days ago
Select Alaska Airlines flight, departing Sat, 11 July from Seoul to Washington, returning Sat, 1 Aug, priced at AU$2,487 found 6 days ago
Emirates
Sat, 11 July - Sat, 1 Aug
ICN
Seoul
IAD
Washington
AU$2,510 Return, found 6 days ago
AU$2,510
Return
found 6 days ago
Select Emirates flight, departing Sat, 11 July from Seoul to Washington, returning Sat, 1 Aug, priced at AU$2,510 found 6 days ago
Asiana Airlines
Sat, 11 July - Sat, 1 Aug
ICN
Seoul
IAD
Washington
AU$2,528 Return, found 6 days ago
AU$2,528
Return
found 6 days ago
Select Asiana Airlines flight, departing Sat, 11 July from Seoul to Washington, returning Sat, 1 Aug, priced at AU$2,528 found 6 days ago

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

November is typically the cheapest month to fly

From AU$935 - AU$1,510 per traveller.

Frequently asked questions

What is the cheapest month to fly from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
November is typically the cheapest month to fly from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.), with average return fares of approximately 1090 AUD. This is about 32% lower than the average price throughout the year. November often sees lower prices as it's outside the peak summer travel season and before the busy winter holidays, leading to reduced demand. Other cheap months to fly from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) include February and October.
Which airlines fly direct from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Enter ICN to IAD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
To find a cheap flight from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The best airline to fly with from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) will differ from traveller to traveller. If you like to fly early, KE offers early morning flights. If price is the most important factor, YP typically offers the lowest fares. AC offers the most daily flights from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Based on booking data from the past year, the best time to fly from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) for a good balance of price and availability is typically November or February. During these months, you can expect to find return flights for around 1090 AUD. These times are often ideal because they fall outside of peak holiday seasons, meaning you can usually find good fares and a decent selection of flights to fit your schedule.
How many flights per day from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
There are approximately 2 nonstop flights per day from Seoul (ICN-Incheon Intl.) (ICN) to Washington, DC (IAD-Washington Dulles Intl.) (IAD). For even more choice, look at flights that include layovers, as there are around 77 connecting flights per day. Some common connection points include Narita Intl. (NRT), Vancouver Intl. (YVR), and Pearson Intl. (YYZ).
What is the earliest flight from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The earliest flight from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) typically departs at approximately 12:05 AM local time, operated by Ethiopian Airlines. This is a seasonal service active in January. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
You'll typically find the most flights from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) on a Monday, with around 37 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Delta Air Lines, Korean Air, and Asiana Airlines. Flight schedules are consistent throughout the week.
What are the most popular departure times for flights from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The most popular departure times for flights from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) are in the evening, from 6pm to 9pm. Around 39% of passengers reckon this time window's best. Heaps of major carriers, including Delta Air Lines, Air Canada and United Airlines, offer flights during this window. This timing works well because you can finish your day in Seoul before your flight and arrive in Washington, DC, ready to start your day.
How long does it take to fly from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
A nonstop flight from ICN to IAD typically takes around 13 hours 50 minutes, covering approximately 6,944 miles. Connecting flights on this route usually add 7 hours 10 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Select the "Business class" and "First class" filters when looking for ICN to IAD flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight with Expedia?
It's easy to earn miles on a Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Washington from Incheon Intl. (ICN)?
When traveling from Incheon Intl. (ICN) to Washington, you can fly into Ronald Reagan Washington National (DCA) and Washington Dulles Intl. (IAD). Some flights may connect through major hubs like San Francisco Intl. (SFO), Dallas-Fort Worth Intl. (DFW), Narita Intl. (NRT) before reaching Washington. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) at the last minute?
Typically, booking a last minute flight from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package?
Securing a Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
If you booked your Seoul (ICN-Incheon Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

0
Origin airport
Incheon Intl.
Destination airport
Washington Dulles Intl.
Return price
AU$1,994
Distance
11108 km

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Your quick guide to flights from Seoul to Washington

Pick up great flights from Seoul to Washington

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Seoul to Washington. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Seoul to Washington that take around hours.

Find cheap flights from Seoul to Washington

From the great flight deals with prices currently ranging from AU$1,995 to AU$2,528, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Seoul to Washington around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Washington is normally in July.

Reasons to book your flight from Seoul to Washington with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Seoul to Washington across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Washington right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Seoul to Washington

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