Flights from Washington Dulles Airport to Seoul

Flight deals from Washington Dulles Airport to Seoul

Looking for cheap tickets from Washington Dulles Airport to Seoul, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Seoul.$617 per passenger.Departing Tue, 21 Apr.One-way flight with Air China.Outbound indirect flight with Air China, departs from Washington Dulles on Tue, 21 Apr, arriving in Incheon International.Price includes taxes and charges.From $617, select.

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Flying from Washington Dulles Airport to Seoul

Arm yourself with these facts on the fly.

Cheapest flight found	$617
Cheapest month to fly	April
Average flight time	15 hrs, 33 mins
Average flights per week	19
Most popular airline	Delta

How to find cheap flights from Washington Dulles Airport to Seoul

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Washington Dulles Airport to Seoul. Other savvy travellers recently found return flights from $1,275 and one-way tickets from $617. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in March

The cheapest time to fly from Washington Dulles Airport to Seoul is currently March.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Washington Dulles Airport to anywhere you choose in Seoul.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Washington Dulles Airport to your chosen airport in Seoul go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Seoul Airport to Seoul flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

Are there any direct flights from Washington Dulles Airport to Seoul?

Yes - direct flights currently operate from Washington Dulles Airport to Incheon International Airport in Seoul.

What is the average price of a flight from Washington Dulles Airport to Seoul?

We looked at all of the upcoming return flights from Washington Dulles Airport to Seoul we could find over the next 12 months. It looks like $1,275 is the best price. This is good, compared to the average Seoul ticket price of $1,275.

What is the cheapest month to fly from Washington Dulles Airport to Seoul?

The cheapest month to fly from Washington Dulles Airport to Seoul is currently March.

Which upcoming date is cheapest to fly from Washington Dulles Airport to Seoul on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington Dulles Airport to Seoul on Tuesday, 17 March 2026.

If I'm flying from Washington Dulles Airport, where in Seoul is cheapest to fly into?

If you're flying from Washington Dulles, the cheapest city in Seoul to fly into is Seoul. The cheapest airport serving Seoul at the moment is Incheon International.

How long is the flight from Washington Dulles Airport to Seoul?

The average flight time between Washington Dulles Airport and Seoul is 15 hours and 33 minutes.