$693 Cheap Flights from Washington to Seoul

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Find The Best Dates To Fly from Washington Dulles Intl. to Incheon Intl.

Amazing IAD to ICN Flight Deals

The cheapest flights to Incheon Intl. found within the past 7 days were $1,031 round trip and $693 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for IAD to ICN

CarrierFlightDepart IADArrive ICNMon
KE9401:25 pm05:50 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops

Frequently asked questions

Can I catch a flight from Washington Dulles Intl. Airport (IAD) to Seoul--Incheon Intl. Airport right now?
It’s wise to find out about any travel advice reports and quarantine requirements in effect in your destination. Ensure you visit our Covid-19 Travel Advisor for up-to-date information on booking a flight to Seoul–Incheon Intl. Airport.
Are there direct flights from Washington Dulles Intl. Airport (IAD) to Incheon Intl. Airport (ICN)?
The only thing standing between you and your next inspirational adventure is just one flight. Korean Air is the only airline that operates direct services between IAD and ICN, so you may want to book well in advance of your departure date.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Seoul–Incheon Intl. Airport, please visit our Customer Service Portal.
How long is the flight from Washington Dulles Intl. Airport (IAD) to Seoul--Incheon Intl. Airport?
It takes an average of 18 hours and 27 minutes to get from Dulles Intl. Airport to ICN. For such a long flight, you’ll benefit from being as comfortable as possible. Think about bringing a neck pillow for better sleep, packing a few snacks and wearing comfortable shoes and clothing.
What is the flight distance from IAD to Incheon Airport?
The flight distance from Dulles Intl. Airport to Incheon Airport is 7,000 mi. Travel pillow? Check. Compression socks? Double check. You’ll need to pack all the carry-on basics for this lengthy flight.
What airlines fly from Washington Dulles Intl. Airport (IAD) to Incheon Airport?
Wanting to fly straight from Sterling to Incheon? Korean Air (KE) offers as many as 30 flights per month and is the top choice for many wise wanderers.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with Korean Air, Jin Air or Asiana Airlines you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.


Traveling From
Washington Dulles Intl.
Traveling To
Incheon Intl.
Shortest Flight Time
41 hours 45 mins
Earliest Departure Time
1:05PM KST
Latest Departure Time
1:05PM KST
Lowest Flight Price

Route Info

Flight path for flights from Washington Dulles International Airport to Incheon International Airport.

7,505.00 miles

Discover our best flights from Washington IAD to Seoul ICN. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 


Find our best return flights from Washington IAD to Seoul ICN at the right price  

Airfares to Seoul ICN from Washington IAD currently cost between $1,031 and $1,237. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 


Book one-way flights from Washington IAD to Seoul ICN 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Washington IAD to Seoul ICN on Travelocity starting at $693. Prices and availability subject to change. Additional terms may apply. 


Get to Seoul ICN from Washington IAD quicker with direct flights. 

Get to Seoul faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to ICN from IAD to take around 41 hour(s) 45 min(s).  


Find our cheapest airfares for flights from Washington IAD to Seoul ICN

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to ICN from IAD. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  


Get our best airfare deals for your flight from Washington IAD to Seoul ICN today 

If you’re flexible about when you travel, September is usually the cheapest month to fly from Washington IAD to Seoul ICN. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 


Book flexible airline tickets for flights to Seoul ICN from Washington IAD 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to ICN from IAD have this option.  


Travel with confidence when you book flights to Seoul ICN from Washington IAD with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.