Question 1

Which is the best airline for flights from Washington, D.C. to Seoul, Korean Air or AIR PREMIA?

Accepted Answer

The two airlines most popular with KAYAK users for flights from Washington, D.C. to Seoul are Korean Air and AIR PREMIA. With an average price for the route of $1,870 and an overall rating of 8.4, Korean Air is the most popular choice. AIR PREMIA is also a great choice for the route, with an average price of $1,383 and an overall rating of 8.1.

Question 2

How long does a flight from Washington, D.C. to Seoul take?

Accepted Answer

The average nonstop flight takes 15h 10m, covering a distance of 6,933 miles.

Question 3

How many flights are there between Washington, D.C. and Seoul per day?

Accepted Answer

Each day, there are between 1 and 2 nonstop flights that take off from Washington, D.C. and land in Seoul, with an average flight time of 15h 22m. The most common departure time is 1:00 pm and most flights take off in the afternoon, while the most flights land at Incheon Intl Airport. Each week, there are 11 flights. The most frequent day of departure is Monday, when 18% of all weekly flights depart. The fewest flights depart on a Tuesday.

Question 4

How many flights are there between Washington, D.C. and Seoul per day?

Accepted Answer

Each day, there are between 1 and 2 nonstop flights that take off from Washington, D.C. and land in Seoul, with an average flight time of 15h 22m. The most common departure time is 1:00 pm and most flights take off in the afternoon, while the most flights land at Incheon Intl Airport. Each week, there are 11 flights. The most frequent day of departure is Monday, when 18% of all weekly flights depart. The fewest flights depart on a Tuesday.

Question 5

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

Accepted Answer

In the last 5 days, the lowest price for a flight from Washington, D.C. to Seoul was $437 for a one-way ticket and $952 for a round-trip.

Question 6

Do I need a passport to fly between Washington, D.C. and Seoul?

Accepted Answer

Yes

Question 7

What’s the cheapest day of the week to fly from Washington, D.C. to Seoul?

Accepted Answer

For Washington, D.C. to Seoul, Tuesday is the cheapest day to fly on average and Saturday is the most expensive. Flying from Seoul back to Washington, D.C., the best deals are generally found on Friday, with Thursday being the most expensive.

Question 8

What’s the cheapest day of the week to fly from Washington, D.C. to Seoul?

Accepted Answer

For Washington, D.C. to Seoul, Tuesday is the cheapest day to fly on average and Saturday is the most expensive. Flying from Seoul back to Washington, D.C., the best deals are generally found on Friday, with Thursday being the most expensive.

Question 9

Which airports will I be using when flying from Washington, D.C. to Seoul?

Accepted Answer

When flying out of Washington, D.C. you will be using one of these airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You will be landing at one of these airports: Seoul Gimpo Intl or Incheon Intl.

Question 10

What’s the earliest departure time from Washington, D.C. to Seoul?

Accepted Answer

Early birds can take the earliest flight from Washington, D.C. at 1:15 pm and will be landing in Seoul at 5:40 pm.

Question 11

What’s the latest departure time from Washington, D.C. to Seoul?

Accepted Answer

If you prefer to fly at night, the latest flight from Washington, D.C. to Seoul jets off at 1:30 pm and lands at 5:40 pm.

Question 12

Which airlines fly non-stop between Washington, D.C. and Seoul?

Accepted Answer

There are 4 airlines that fly nonstop from Washington, D.C. to Seoul. They are: AIR PREMIA, Delta, Korean Air and United Airlines. The cheapest price of all airlines flying this route was found with Delta at $397 for a round-trip flight. On average, the best prices for this route can be found at AIR PREMIA.

Question 13

Which airlines fly non-stop between Washington, D.C. and Seoul?

Accepted Answer

There are 4 airlines that fly nonstop from Washington, D.C. to Seoul. They are: AIR PREMIA, Delta, Korean Air and United Airlines. The cheapest price of all airlines flying this route was found with Delta at $397 for a round-trip flight. On average, the best prices for this route can be found at AIR PREMIA.

Question 14

Which airlines offer Wi-Fi service onboard planes from Washington, D.C. to Seoul?

Accepted Answer

Only American Airlines offers inflight Wi-Fi service on the Washington, D.C. to Seoul flight route.

Question 15

Which aircraft models fly most regularly from Washington, D.C. to Seoul?

Accepted Answer

The Boeing 777-300ER is the aircraft model that flies most regularly on the Washington, D.C. to Seoul flight route.

Question 16

Which airline alliances offer flights from Washington, D.C. to Seoul?

Accepted Answer

oneworld, Star Alliance, and SkyTeam are the airline alliances operating flights between Washington, D.C. and Seoul, with oneworld being the most commonly used for this route.

Question 17

On which days can I fly direct from Washington, D.C. to Seoul?

Accepted Answer

There are nonstop flights from Washington, D.C. to Seoul on a daily basis.

Question 18

What documentation do I need to fly from Washington, D.C. (IAD) to Seoul (ICN)?

Accepted Answer

The most crucial document you will need is a valid passport. Your passport should be valid for at least six months beyond your intended stay in South Korea. South Korea has visa-free arrangements with many countries, including the United States. U.S. citizens visiting South Korea for tourism or business purposes are generally allowed to stay for up to 90 days without a visa.

Question 19

Which airlines flying from Washington, D.C. (IAD) to Seoul (ICN) consider dietary needs?

Accepted Answer

Korean Air offers special meal options such as vegetarian, vegan, gluten-free, and kosher. United Airlines also offer a range of special meals, including vegetarian, vegan, gluten-free, lactose-free, and diabetic-friendly options. Passengers can request these special meals in advance during the booking process or by contacting the airline directly.

Question 20

Can I upgrade to first class on Japan Airlines for my flight from Washington D.C. to Seoul?

Accepted Answer

JAL has a loyalty program called JAL Mileage Bank, where members can earn miles and use them to upgrade their seats, subject to availability and specific rules and conditions. Additionally, JAL offers the option of purchasing an upgrade to first class using cash. Depending on availability, this can be done at the time of booking or during check-in.

Question 21

How can I get downtown from Incheon International Airport (ICN)?

Accepted Answer

One popular method is to take the Airport Railroad Express (AREX), which provides both an Express Train and an All-Stop Train. The Express Train offers a non-stop journey to Seoul Station, a central transportation hub, in about 43 minutes. The All-Stop Train makes multiple stops along the way, taking approximately 53 minutes to reach Seoul Station. Both options offer plenty of seating and designated spaces for luggage storage.

Question 22

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

Accepted Answer

The cheapest month for flights from Washington, D.C. to Seoul is September, where tickets cost $1,315 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is $2,013 and $1,633 respectively.

Question 23

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

Accepted Answer

The cheapest month for flights from Washington, D.C. to Seoul is September, where tickets cost $1,315 (return) on average. On the other hand, the most expensive months are December and June, where the average cost of round-trip tickets is $2,013 and $1,633 respectively.

Question 24

How does KAYAK find such low prices on flights from Washington, D.C. to Seoul?

Accepted Answer

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Seoul.

Question 25

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Seoul?

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seoul from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now.

Question 26

What is the Hacker Fare option on flights from Washington, D.C. to Seoul?

Accepted Answer

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seoul with an airline and back to Washington, D.C. with another airline.

Question 27

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Seoul?

Accepted Answer

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seoul from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Question 28

What is the cheapest layover airport when flying from Washington, D.C. to Seoul?

Accepted Answer

Flights via Denver (DEN) offer the most affordable fares, with an average round-trip price of $197.

Question 29

What is the most popular layover airport when flying from Washington, D.C. to Seoul?

Accepted Answer

Toronto (YYZ) is the top choice – 21% of KAYAK users who clicked on 1-stop flights from Washington, D.C. to Seoul picked an itinerary connecting there.

Question 30

Which layover airport has the quickest connection when flying from Washington, D.C. to Seoul?

Accepted Answer

If you prefer a quick connection, Detroit (DTW) often has the shortest layovers from Washington, D.C. to Seoul, with an average of 1h 11m.

Question 31

Which layover airport offers the shortest total travel time from Washington, D.C. to Seoul?

Accepted Answer

Consider flying via Denver (DEN) for the shortest journey. The average one-way travel time for flights connecting there is 7h 36m.

Question 32

Which cabin class options are there for flights between Washington, D.C. and Seoul?

Accepted Answer

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 33

Which cabin class options are there for flights between Washington, D.C. and Seoul?

Accepted Answer

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Question 34

Which airlines provide the cheapest flights from Washington, D.C. to Seoul?

Accepted Answer

In the past 5 days, the cheapest round-trip tickets from Washington, D.C. to Seoul were found on Qatar Airways ($959) and EVA Air ($968).

Question 35

Which airlines provide the cheapest flights from Washington, D.C. to Seoul?

Accepted Answer

In the past 5 days, the cheapest round-trip tickets from Washington, D.C. to Seoul were found on Qatar Airways ($959) and EVA Air ($968).

Question 36

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

Accepted Answer

The cheapest return flight from Washington, D.C. to Seoul costs $918 on the route between Washington, D.C. Dulles Intl Airport (IAD) and Incheon Intl Airport (ICN). It is also the most popular route.

Question 37

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

Accepted Answer

The cheapest return flight from Washington, D.C. to Seoul costs $918 on the route between Washington, D.C. Dulles Intl Airport (IAD) and Incheon Intl Airport (ICN). It is also the most popular route.

Question 38

How far in advance should I book a flight from Washington, D.C. to Seoul?

Accepted Answer

To get a below average price on the flight from Washington, D.C. to Seoul, you should book around 4 weeks before departure, which saves you about 38% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 11 weeks before departure.

Question 39

How far in advance should I book a flight from Washington, D.C. to Seoul?

Accepted Answer

To get a below average price on the flight from Washington, D.C. to Seoul, you should book around 4 weeks before departure, which saves you about 38% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 11 weeks before departure.

Question 40

Can I save money by flying with a layover from Washington, D.C. to Seoul?

Accepted Answer

No, with an average price for the route of $1,264, prices are generally cheapest when you fly direct.

Question 41

Can I save money by flying with a layover from Washington, D.C. to Seoul?

Accepted Answer

No, with an average price for the route of $1,264, prices are generally cheapest when you fly direct.

Question 42

How much is a round-trip flight from Washington, D.C. to Seoul?

Accepted Answer

Flight prices are below average for this route right now.Flights to Seoul from Washington, D.C. usually cost between $1,201 and $1,676 in August.
The lowest price found in the past 5 days was $952 on Multiple Airlines (Aug 26-Sep 2).

Question 43

What are the most popular airlines flying to Seoul?

Accepted Answer

The most popular airline among KAYAK users flying to Seoul is AIR PREMIA, followed by Korean Air and Delta.

Low season	January
High season	July
Cheapest flight	$437

WAS - SEL

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Cheap Flights from Washington, D.C. to Seoul (WAS-SEL)

Recent round-trip flight deals from Washington, D.C. to Seoul

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KAYAK's insights & trends for Washington, D.C. to Seoul flights

How much is a round-trip flight from Washington, D.C. to Seoul?

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

What’s the cheapest day of the week to fly from Washington, D.C. to Seoul?

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

Can I save money by flying with a layover from Washington, D.C. to Seoul?

How far in advance should I book a flight from Washington, D.C. to Seoul?

Which airlines provide the cheapest flights from Washington, D.C. to Seoul?

Which airlines fly non-stop between Washington, D.C. and Seoul?

What is the most popular layover airport when flying from Washington, D.C. to Seoul?

What is the cheapest layover airport when flying from Washington, D.C. to Seoul?

Which layover airport offers the shortest total travel time from Washington, D.C. to Seoul?

Which layover airport has the quickest connection when flying from Washington, D.C. to Seoul?

Which cabin class options are there for flights between Washington, D.C. and Seoul?

How many flights are there between Washington, D.C. and Seoul per day?

How long does a flight from Washington, D.C. to Seoul take?

What’s the earliest departure time from Washington, D.C. to Seoul?

What’s the latest departure time from Washington, D.C. to Seoul?

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