Cheap flights from District of Columbia to South Korea from $646

If you aren’t able to travel to South Korea during the month of October, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $247.

On average, the least expensive day to fly to South Korea from District of Columbia is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,251. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from District of Columbia to South Korea for around $1,459.

Flying to South Korea from District of Columbia at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,299 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,349 on average. Flights to South Korea from District of Columbia in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to South Korea from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to South Korea for around $1,670 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Korea from District of Columbia for as low as $1,152 on momondo.

There are 3 cabin classes available to choose from on District of Columbia to South Korea flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

AIR PREMIA, Korean Air and Delta are the top three most popular airlines that fly to South Korea from District of Columbia according to our data. AIR PREMIA is the first choice among our users, with 42% of people opting to fly with this airline when traveling to South Korea. Keep in mind that there are 9 different airlines that fly to South Korea on a routine basis, so you have a few additional options to choose from.

As of June 2026, 2 flights take off from District of Columbia and land in South Korea each day. The most common flight departure time for this route is 1:00PM, with 100% of daily flights taking off in the afternoon.

As of June 2026, 17 flights take off from District of Columbia and land in South Korea each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.