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 $1,803 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 $1,285 and an overall rating of 8.1.

Question 2

How long does a flight from Washington Dulles Airport to Seoul take?

Accepted Answer

The average nonstop flight takes 15h 10m, covering a distance of 6,923 miles.

Question 3

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

Accepted Answer

Each day, there are between 1 and 2 nonstop flights that take off from Washington, D.C. Dulles Intl Airport and land in Seoul, with an average flight time of 15h 30m. 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. Dulles Intl Airport and Seoul per day?

Accepted Answer

Each day, there are between 1 and 2 nonstop flights that take off from Washington, D.C. Dulles Intl Airport and land in Seoul, with an average flight time of 15h 30m. 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. Dulles Intl Airport to Seoul?

Accepted Answer

In the last 5 days, the lowest price for a flight from Washington, D.C. Dulles Intl Airport to Seoul was $436 for a one-way ticket and $952 for a round-trip.

Question 6

Do I need a passport to fly between Washington Dulles Airport and Seoul?

Accepted Answer

Yes, you'll most likely have to show a valid passport before boarding the plane in Washington Dulles Airport and on arrival in Seoul.

Question 7

What’s the cheapest day of the week to fly from Washington Dulles Airport to Seoul?

Accepted Answer

If your flying dates are flexible, you should consider flying to Seoul on a Tuesday, as we generally find the cheapest rates on that day for this route. On the other hand, Saturday is the most expensive day to fly from Washington Dulles Airport to Seoul. For your return ticket, we recommend flying on a Friday and avoiding Thursdays for the best deals.

Question 8

What’s the cheapest day of the week to fly from Washington Dulles Airport to Seoul?

Accepted Answer

If your flying dates are flexible, you should consider flying to Seoul on a Tuesday, as we generally find the cheapest rates on that day for this route. On the other hand, Saturday is the most expensive day to fly from Washington Dulles Airport to Seoul. For your return ticket, we recommend flying on a Friday and avoiding Thursdays for the best deals.

Question 9

Which airports will I be using when flying from Washington Dulles Airport to Seoul?

Accepted Answer

When flying out of Washington Dulles Airport you will be using 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 Dulles Airport to Seoul?

Accepted Answer

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

Question 11

What’s the latest departure time from Washington Dulles Airport to Seoul?

Accepted Answer

If you prefer to fly at night, the latest flight from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport and Seoul?

Accepted Answer

There are 4 airlines that fly nonstop from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport and Seoul?

Accepted Answer

There are 4 airlines that fly nonstop from Washington, D.C. Dulles Intl Airport 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 Dulles Airport to Seoul?

Accepted Answer

Only American Airlines offers inflight Wi-Fi service on the Washington Dulles Airport to Seoul flight route.

Question 15

Which aircraft models fly most regularly from Washington Dulles Airport to Seoul?

Accepted Answer

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

Question 16

Which airline alliances offer flights from Washington Dulles Airport to Seoul?

Accepted Answer

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

Question 17

On which days can I fly direct from Washington Dulles Airport to Seoul?

Accepted Answer

There are nonstop flights from Washington Dulles Airport to Seoul on a daily basis.

Question 18

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

Accepted Answer

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Seoul is October, where tickets cost $1,342 (return) on average. On the other hand, the most expensive months are December and January, where the average cost of round-trip tickets is $2,117 and $1,727 respectively.

Question 19

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

Accepted Answer

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Seoul is October, where tickets cost $1,342 (return) on average. On the other hand, the most expensive months are December and January, where the average cost of round-trip tickets is $2,117 and $1,727 respectively.

Question 20

How does KAYAK find such low prices on flights from Washington Dulles Airport 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 Dulles Airport to Seoul.

Question 21

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington Dulles Airport 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 Dulles Airport is likely to change within 7 days, so travelers know whether to wait or book now.

Question 22

What is the Hacker Fare option on flights from Washington Dulles Airport 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 Dulles Airport with another airline.

Question 23

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington Dulles Airport 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 Dulles Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Question 24

What is the cheapest layover airport when flying from Washington Dulles Airport to Seoul?

Accepted Answer

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

Question 25

What is the most popular layover airport when flying from Washington Dulles Airport to Seoul?

Accepted Answer

Istanbul (IST) is the top choice – 38% of KAYAK users who clicked on 1-stop flights from Washington Dulles Airport to Seoul picked an itinerary connecting there.

Question 26

Which layover airport has the quickest connection when flying from Washington Dulles Airport to Seoul?

Accepted Answer

If you prefer a quick connection, Salt Lake City (SLC) often has the shortest layovers from Washington Dulles Airport to Seoul, with an average of 1h 34m.

Question 27

Which layover airport offers the shortest total travel time from Washington Dulles Airport to Seoul?

Accepted Answer

Consider flying via Denver (DEN) for the shortest journey. The average one-way travel time for flights connecting there is 8h 07m.

Question 28

Which cabin class options are there for flights between Washington, D.C. Dulles Intl Airport 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 29

Which cabin class options are there for flights between Washington, D.C. Dulles Intl Airport 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 30

Which airlines provide the cheapest flights from Washington Dulles Airport to Seoul?

Accepted Answer

In the past 5 days, the cheapest round-trip tickets from Washington Dulles Airport to Seoul were found on Qatar Airways ($962) and EVA Air ($968).

Question 31

Which airlines provide the cheapest flights from Washington Dulles Airport to Seoul?

Accepted Answer

In the past 5 days, the cheapest round-trip tickets from Washington Dulles Airport to Seoul were found on Qatar Airways ($962) and EVA Air ($968).

Question 32

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

Accepted Answer

The cheapest return flight from Washington, D.C. Dulles Intl Airport 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 33

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

Accepted Answer

The cheapest return flight from Washington, D.C. Dulles Intl Airport 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 34

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

Accepted Answer

To get a below average price on the flight from Washington, D.C. Dulles Intl Airport 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 35

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

Accepted Answer

To get a below average price on the flight from Washington, D.C. Dulles Intl Airport 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 36

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

Accepted Answer

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

Question 37

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

Accepted Answer

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

Question 38

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

Accepted Answer

Flight prices are below average for this route right now.Flights to Seoul from Washington, D.C. Dulles Intl Airport usually cost between $1,246 and $1,708 in August.
The lowest price found in the past 5 days was $952 on Multiple Airlines (Aug 26-Sep 2).

Question 39

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	October
Cheapest flight	$436

IAD - SEL

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Everything you should know

Cheap Flights from Dulles Intl to Seoul (IAD-SEL)

Recent round-trip flight deals from Dulles Intl to Seoul

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KAYAK's insights & trends for Dulles Intl to Seoul flights

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

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

What’s the cheapest day of the week to fly from Washington Dulles Airport to Seoul?

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

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

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

Which airlines provide the cheapest flights from Washington Dulles Airport to Seoul?

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

What is the most popular layover airport when flying from Washington Dulles Airport to Seoul?

What is the cheapest layover airport when flying from Washington Dulles Airport to Seoul?

Which layover airport offers the shortest total travel time from Washington Dulles Airport to Seoul?

Which layover airport has the quickest connection when flying from Washington Dulles Airport to Seoul?

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

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

How long does a flight from Washington Dulles Airport to Seoul take?

What’s the earliest departure time from Washington Dulles Airport to Seoul?

What’s the latest departure time from Washington Dulles Airport to Seoul?

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