Cheap flights from South Korea to District of Columbia from $384

In general, December is the cheapest month to fly from South Korea to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,094. If you don’t want to visit District of Columbia in December, then you should wait until May to fly from South Korea, when ticket prices are also cheap, with an average price of $1,132.

The cheapest day to depart on your flight to District of Columbia is on a Friday when prices can be found for as low as $1,126. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from South Korea because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,924.

Flying to District of Columbia from South Korea in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,254 when looking at flights departing in the evening. Flights to District of Columbia are more costly in the morning, with an average ticket price of $1,345. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Incheon Intl to Washington, D.C. Dulles Intl for the best South Korea - District of Columbia flight prices

You are more likely to see cheaper flights to District of Columbia from South Korea when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $1,444 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from South Korea for as low as $989 on momondo.

There are 4 cabin classes available to choose from on South Korea to District of Columbia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

United Airlines, Japan Airlines, and STARLUX Airlines are the most popular carriers operating from South Korea to District of Columbia

AIR PREMIA, Delta and United Airlines are the top three most popular airlines that fly to District of Columbia from South Korea according to our data. AIR PREMIA is the first choice among our users, with 46% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 4 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

The number of flights available between South Korea and District of Columbia is 2 per day as of November 2026. The most frequent departure time is 10:00AM, with 87% of daily flights leaving at noon.

As of November 2026, 15 flights take off from South Korea and land in District of Columbia each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.