Question 1

Can stopping save me money on Washington, D.C. to South Korea flights?

Accepted Answer

You could potentially save up to 4% on your flight if you consider stops on a Washington, D.C. to South Korea flight.

Question 2

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

Question 3

How many flights depart from Washington, D.C. to South Korea on average per day?

Accepted Answer

The number of flights available between Washington, D.C. and South Korea is 2 per day as of February 2026. The most frequent departure time is 11:00AM, with 100% of daily flights leaving at noon.

Question 4

How many flights depart from Washington, D.C. to South Korea on average per week?

Accepted Answer

As of February 2026, 14 flights take off from Washington, D.C. and land in South Korea each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

Question 5

How long is the flight from Washington, D.C. to South Korea?

Accepted Answer

The flight from Washington, D.C. to South Korea depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Washington, D.C. (a popular airport in Washington, D.C.) to Incheon Intl Airport (the most popular airport in South Korea), then the flight time is 16h 57m on average. If you fly from Baltimore (another popular airport in Washington, D.C.) to Incheon Intl Airport, then the average flight time is 19h 10m.

Question 6

What airlines fly to South Korea?

Accepted Answer

Korean Air, Delta and Air Canada are the top three most popular airlines that fly to South Korea from Washington, D.C. according to our data. Korean Air is the first choice among our users, with 50% 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.

Question 7

How often are flights from Washington, D.C. to South Korea delayed?

Accepted Answer

Historically, on average around 31% of flights between Washington, D.C. and South Korea have experienced a delay on any given week. The average delay length over the past 12 months has been 114 minutes.

Question 8

What is the cheapest time of day to depart on your flight to South Korea?

Accepted Answer

Flying to South Korea from Washington, D.C. in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,355 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,540 on average. Flights to South Korea from Washington, D.C. at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Question 9

What cabin class options are available on Washington, D.C. to South Korea flights?

Accepted Answer

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

Question 10

What is the cheapest airline that flies from Washington, D.C. to South Korea?

Accepted Answer

Air China, China Airlines, and EVA Air are the most popular carriers operating from Washington, D.C. to South Korea

Question 11

What is the cheapest day to depart on your flight to South Korea?

Accepted Answer

On average, the least expensive day to fly to South Korea from Washington, D.C. is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,289. 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 Washington, D.C. to South Korea for around $1,541.

Question 12

What is the most punctual flight time for Washington, D.C. to South Korea flights?

Accepted Answer

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

Question 13

What is the cheapest month to fly to South Korea?

Accepted Answer

If you aren’t able to travel to South Korea during the month of March, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $1,204.

Question 14

What is the cheapest Washington, D.C. to South Korea flight route?

Accepted Answer

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

Question 15

Which airline has the best punctuality record on Washington, D.C. to South Korea flights?

Accepted Answer

According to our data, Korean Air have had the least number of delays on this route over the last 12 months; with about 31% of their flights experiencing any sort of delay.

Question 16

How far in advance should I book a flight to South Korea?

Accepted Answer

You are more likely to see cheaper flights to South Korea from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to South Korea for around $1,766 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Korea from Washington, D.C. for as low as $1,396 on momondo.

Question 17

When did momondo last update prices for flights from Washington, D.C. to South Korea?

Accepted Answer

Prices for flights from Washington, D.C. to South Korea were last updated today.

Question 18

How many operators does momondo search for flights from Washington, D.C. to South Korea?

Accepted Answer

There are 9 operators available for flights from Washington, D.C. to South Korea as of February 2026.

Question 19

How old do you have to be to fly from Washington, D.C. to South Korea?

Accepted Answer

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to South Korea.

Question 20

What documentation or ID do you need to fly to South Korea?

Accepted Answer

The required travel and health documents for your South Korea trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at South Korea. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best Price Found	$548
Fastest flight time	15h 10m
Direct flights	Every day
Airports in South Korea	24 airports

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $356	Free Cancellation	Rating 7.9 8,138 reviews	Search Delta flights
United Airlines	PriceFrom $367	Free Cancellation	Rating 7.4 9,235 reviews	Search United Airlines flights
Air China	PriceFrom $591	Free Cancellation	Rating 7.2 138 reviews	Search Air China flights
American Airlines	PriceFrom $716	Free Cancellation	Rating 7.2 11,217 reviews	Search American Airlines flights
Asiana Airlines	PriceFrom $759	Free Cancellation	Rating 8.1 502 reviews	Search Asiana Airlines flights
Turkish Airlines	PriceFrom $791	Free Cancellation	Rating 7.3 4,210 reviews	Search Turkish Airlines flights
AIR PREMIA	PriceFrom $864	Free Cancellation	Rating 8.3 78 reviews	Search AIR PREMIA flights
Air Canada	PriceFrom $972	Free Cancellation	Rating 7.1 10,684 reviews	Search Air Canada flights
Korean Air	PriceFrom $1,059	Free Cancellation	Rating 8.4 1,188 reviews	Search Korean Air flights

Cheap flights from Washington, D.C. to South Korea from $420

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to South Korea departing on 3/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Washington, D.C. to South Korea

What is the cheapest month to fly to South Korea?

If you aren’t able to travel to South Korea during the month of March, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $1,204.

What is the cheapest day to depart on your flight to South Korea?

What is the cheapest time of day to depart on your flight to South Korea?

What is the cheapest Washington, D.C. to South Korea flight route?

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

How far in advance should I book a flight to South Korea?

What cabin class options are available on Washington, D.C. to South Korea flights?

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

Can stopping save me money on Washington, D.C. to South Korea flights?

You could potentially save up to 4% on your flight if you consider stops on a Washington, D.C. to South Korea flight.

What is the cheapest airline that flies from Washington, D.C. to South Korea?

Air China, China Airlines, and EVA Air are the most popular carriers operating from Washington, D.C. to South Korea

What airlines fly to South Korea?

How often are flights from Washington, D.C. to South Korea delayed?

Historically, on average around 31% of flights between Washington, D.C. and South Korea have experienced a delay on any given week. The average delay length over the past 12 months has been 114 minutes.

What is the most punctual flight time for Washington, D.C. to South Korea flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Washington, D.C. to South Korea flights?

According to our data, Korean Air have had the least number of delays on this route over the last 12 months; with about 31% of their flights experiencing any sort of delay.

How many flights depart from Washington, D.C. to South Korea on average per day?

The number of flights available between Washington, D.C. and South Korea is 2 per day as of February 2026. The most frequent departure time is 11:00AM, with 100% of daily flights leaving at noon.

How many flights depart from Washington, D.C. to South Korea on average per week?

As of February 2026, 14 flights take off from Washington, D.C. and land in South Korea each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

How long is the flight from Washington, D.C. to South Korea?

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What documentation or ID do you need to fly to South Korea?

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Best airlines flying from Washington, D.C. to South Korea

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Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to South Korea?

Can I find flights from Washington, D.C. to South Korea with flexible booking policies on momondo?

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