Cheap Washington, D.C. to Seoul Flights from C$618

Flight deals from Washington, D.C. to Seoul

Looking for cheap flights from Washington, D.C. to Seoul, or a last-minute trip? Find the lowest prices on one-way and round-trip flights right here.

Seoul.C$1,250 per passenger.Departing Mon, Sep 29, returning Fri, Nov 14.Round-trip flight with Turkish Airlines.Outbound indirect flight with Turkish Airlines, departing from Washington Dulles on Mon, Sep 29, arriving in Incheon International.Inbound indirect flight with Turkish Airlines, departing from Incheon International on Fri, Nov 14, arriving in Washington Dulles.Price includes taxes and charges.From C$1,250, select.

Flying from Washington, D.C. to Seoul

Arm yourself with these facts on the fly.

Cheapest flight found	C$618, Seoul
Cheapest month to fly	September
Average flight time	15 hrs, 34 mins
Cheapest airport to fly from	Baltimore Washington International
Most popular airline	Delta

How to find cheap flights from Washington, D.C. to Seoul

We've compared the best online travel agents and flight providers on the Internet to find the cheapest plane tickets from Washington, D.C. to Seoul. Other savvy travelers recently found round-trip flights from C$1,250 and one-way tickets from C$618. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from Baltimore Washington International into Seoul

At the moment, the lowest-priced flight tickets to Seoul are from Baltimore Washington International Airport to Incheon International Airport.

Fly in September

We crunched the flight calendar and found the cheapest time to fly from Washington, D.C. to Seoul is currently September.

Fly on a Saturday

From our data, we can see that Saturday seems to be the cheapest time to fly from Washington, D.C. to Seoul.

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, D.C. to anywhere you choose in Seoul.

Watch as flight prices go up and down

With Price Alerts, we'll let you know when flight prices from Washington, D.C. to Seoul go up or down so you can book when the time is just right.

Relax – these are fee-free plane tickets

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

Frequently asked questions

What's the average Washington, D.C. to Seoul flight price?

We looked at all of the upcoming round-trip flights from Washington, D.C. to Seoul we could find over the next 12 months. It looks like C$1,250 is the best price. This is good, compared to the average Seoul ticket price of C$2,251.

What is the cheapest month to fly from Washington, D.C. to Seoul?

The cheapest month to fly from Washington, D.C. to Seoul is currently September.

On which upcoming date is it cheapest to fly from Washington, D.C. to Seoul?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington, D.C. to Seoul on Monday, September 29, 2025.

Are there any direct flights from Washington, D.C. to Seoul?

Washington Dulles Airport offers direct flights to Seoul.

If I'm flying from Washington, D.C., where in Seoul is cheapest to fly to?

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