What are the cheapest airlines flying from Seoul to Washington, D.C. Dulles Intl Airport round-trip?

United Airlines, at $728, was found to be the cheapest airline from Seoul to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include American Airlines and Air China. These flights start at 49% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Seoul to Washington, D.C. Dulles Intl Airport one-way?

The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $438. However, be on the lookout for offers from United Airlines and Air China, as they are both options that can get you from Seoul to Washington, D.C. Dulles Intl Airport for a low price.

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

Travelers seeking maximum savings on their Seoul to Washington, D.C. Dulles Intl Airport flight should consider departing on Monday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the cheapest flights from Seoul to Washington, D.C. Dulles Intl Airport?

Looking at all options, your cheapest flight can be booked for $1,049. While the most popular route (Incheon Intl - Washington, D.C. Dulles Intl) can be booked for $718 on average our data indicates $2,800 when flying from Seoul to Washington, D.C. Dulles Intl Airport.

What are the most popular airlines that fly from Seoul to Washington, D.C. Dulles Intl Airport?

When booking a flight from Seoul to Washington, D.C. Dulles Intl Airport, you may want to consider flying on American Airlines, Air Canada or Delta as they are the most popular for this route.

What is the cheapest day to fly round-trip from Seoul to Washington, D.C. Dulles Intl Airport?

Users have found that flying from Seoul to Washington, D.C. Dulles Intl Airport on a Friday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

Travelers have found it’s best to book a flight 44 days in advance to save up to 51% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 44 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seoul to Washington, D.C. Dulles Intl Airport 1-2 weeks in advance for as low as $1,054, or $1,054 for flights within the next 24 hours.

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

The best pricing can be found in the month of December. Prices to Washington, D.C. Dulles Intl Airport from Seoul average $1,224. You can even find prices in December for less than $1,224, as users have found deals to Washington, D.C. Dulles Intl Airport from as low as $704. The month of August appears to be one of the more expensive times to travel to Washington, D.C. Dulles Intl Airport from Seoul. Flying in the targeted month can save you up to 53%.

Most accurate provider : When it comes to deals on Seoul-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seoul-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seoul-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Seoul-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seoul-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Seoul to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Seoul to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Seoul to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seoul to Dulles Intl.

Can I find deals for business class flights from Seoul to Dulles Intl?

Yes. Cheapflights offers flight deals from Seoul to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$438+ Flights from Seoul to Washington, D.C. Dulles Intl Airport

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheap flight deals from Seoul to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$728 (United Airlines)
One-way from	$438 (American Airlines)
Popular in	January
Cheapest in	March
Average price	$1,839
Good round-trip deal	$1,371 or less
Good one-way deal	$1,122 or less

Provider with most accurate pricing for Seoul (SEL)-Washington, D.C. Dulles Intl flight deals.

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Provider most trusted by Cheapflights users for Seoul (SEL)-Washington, D.C. Dulles Intl flights.

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From Seoul (SEL) to Washington, D.C. Dulles Intl

Search Deals

One-way flight from Seoul (SEL) to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($27 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($37 potential savings vs. average RT price).

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Average for round-trip flights in January 2025

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Price to beat on a round-trip flight from Seoul (SEL) to Washington, D.C. Dulles Intl.

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Price to beat on a one-way flight from Seoul (SEL) to Washington, D.C. Dulles Intl.

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Find flight deals from Seoul to Dulles Intl

Cheapest flights from Seoul to Dulles Intl
Explore the most affordable flight options available from Seoul to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 22, 2025.

Fri 1/3112:45 pmICN - IAD

2 stops24h 45mUnited Airlines

Wed 2/512:51 pmIAD - ICN

2 stops26h 49mUnited Airlines

Deal found 1/22

$728

Sun 2/26:50 pmICN - IAD

1 stop19h 06mAmerican Airlines

Thu 2/66:10 amIAD - ICN

1 stop20h 35mAmerican Airlines

Deal found 1/22

$776

Fri 3/73:30 pmICN - IAD

1 stop36h 40mAir China

Sat 3/155:35 pmIAD - ICN

2 stops34h 00mAir China

Deal found 1/22

$783

Wed 4/95:45 pmICN - IAD

2 stops58h 28mAir Canada

Sat 4/193:55 pmIAD - ICN

2 stops59h 10mAir Canada

Deal found 1/22

$883

Wed 9/107:55 pmGMP - IAD

1 stop27h 40mANA

Wed 9/1712:15 pmIAD - GMP

1 stop21h 05mANA

Deal found 1/22

$915

Mon 3/102:25 pmGMP - IAD

1 stop37h 45mAir China

Sat 3/155:35 pmIAD - GMP

2 stops30h 30mAir China

Deal found 1/22

$1,025

Fri 4/256:15 pmICN - IAD

1 stop19h 08mMultiple Airlines

Sun 5/258:45 amIAD - ICN

1 stop20h 00mMultiple Airlines

Deal found 1/22

$1,053

Mon 3/1010:15 amICN - IAD

Nonstop13h 35mKorean Air

Sat 3/157:59 pmIAD - ICN

1 stop68h 01mKorean Air

Deal found 1/22

$1,073

Sun 5/117:20 pmGMP - IAD

2 stops49h 23mJapan Airlines

Wed 7/97:00 amIAD - GMP

2 stops26h 00mJapan Airlines

Deal found 1/22

$1,304

Sun 5/117:20 pmGMP - IAD

2 stops49h 23mMultiple Airlines

Sat 6/287:09 amIAD - GMP

2 stops21h 51mMultiple Airlines

Deal found 1/22

$1,360

Best flights from Seoul to Dulles Intl
Discover carefully curated flight deals from Seoul to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 22, 2025.

Tue 2/1112:45 pmICN - IAD

1 stop22h 28mUnited Airlines

Tue 2/1810:20 pmIAD - ICN

1 stop27h 55mUnited Airlines

Deal found 1/22

$728

Sun 2/26:50 pmICN - IAD

1 stop19h 06mAmerican Airlines

Thu 2/66:10 amIAD - ICN

1 stop20h 35mAmerican Airlines

Deal found 1/22

$776

Fri 3/73:30 pmICN - IAD

1 stop36h 40mAir China

Sat 3/155:35 pmIAD - ICN

2 stops34h 00mAir China

Deal found 1/22

$783

Wed 4/95:45 pmICN - IAD

2 stops58h 28mAir Canada

Sat 4/193:55 pmIAD - ICN

2 stops59h 10mAir Canada

Deal found 1/22

$883

Mon 2/37:50 pmGMP - IAD

1 stop27h 20mANA

Thu 2/611:05 amIAD - GMP

1 stop21h 25mANA

Deal found 1/22

$921

Fri 4/256:15 pmICN - IAD

1 stop19h 08mMultiple Airlines

Sun 5/258:45 amIAD - ICN

1 stop20h 00mMultiple Airlines

Deal found 1/22

$1,053

Mon 3/1010:15 amICN - IAD

Nonstop13h 35mKorean Air

Sat 3/157:59 pmIAD - ICN

1 stop68h 01mKorean Air

Deal found 1/22

$1,073

Sun 2/212:30 amICN - IAD

2 stops32h 35mEthiopian Air

Wed 2/58:40 pmIAD - ICN

2 stops29h 05mEthiopian Air

Deal found 1/22

$1,169

Sun 5/117:20 pmGMP - IAD

2 stops49h 23mJapan Airlines

Wed 7/97:00 amIAD - GMP

2 stops26h 00mJapan Airlines

Deal found 1/22

$1,304

Mon 3/102:25 pmGMP - IAD

1 stop37h 45mAir China

Sat 3/155:35 pmIAD - GMP

2 stops30h 30mAir China

Deal found 1/22

$1,025

Sun 5/117:20 pmGMP - IAD

2 stops49h 23mMultiple Airlines

Sat 6/287:09 amIAD - GMP

2 stops21h 51mMultiple Airlines

Deal found 1/22

$1,360

Last-minute flights from Seoul to Dulles Intl
Discover last-minute flight deals from Seoul to Dulles Intl. Data last updated January 22, 2025 and is based on user searches.

Wed 1/2212:30 amICN - IAD

1 stop32h 35mEthiopian Air

Mon 2/38:40 pmIAD - ICN

1 stop29h 05mEthiopian Air

Deal found 1/22

$1,168

Thu 1/236:15 pmICN - IAD

1 stop37h 42mMultiple Airlines

Mon 2/36:57 pmIAD - ICN

1 stop32h 53mMultiple Airlines

Deal found 1/22

$1,350

Mon 1/2712:20 amICN - IAD

1 stop30h 05mEtihad Airways

Sun 3/29:30 pmIAD - ICN

1 stop23h 45mEtihad Airways

Deal found 1/21

$1,527

Mon 1/2712:30 amICN - IAD

2 stops45h 30mMultiple Airlines

Sun 3/29:25 pmIAD - ICN

1 stop30h 55mMultiple Airlines

Deal found 1/21

$1,564

Tue 1/2812:10 amICN - IAD

1 stop33h 20mTurkish Airlines

Tue 2/112:00 pmIAD - ICN

1 stop38h 20mTurkish Airlines

Deal found 1/22

$1,440

Wed 1/2912:20 amICN - IAD

1 stop29h 35mQatar Airways

Fri 2/288:05 pmIAD - ICN

1 stop31h 10mQatar Airways

Deal found 1/21

$1,619

Fri 1/3112:45 pmICN - IAD

2 stops24h 45mUnited Airlines

Wed 2/512:51 pmIAD - ICN

2 stops26h 49mUnited Airlines

Deal found 1/22

$728

Fri 1/314:55 pmICN - IAD

2 stops32h 35mAir Canada

Fri 3/143:55 pmIAD - ICN

2 stops34h 30mAir Canada

Deal found 1/21

$984

Fri 1/3112:30 amICN - IAD

2 stops32h 35mEthiopian Air

Sat 2/158:40 pmIAD - ICN

2 stops29h 05mEthiopian Air

Deal found 1/22

$1,258

Fri 1/3110:00 amICN - IAD

1 stop22h 57mKorean Air

Wed 2/511:50 amIAD - ICN

Nonstop15h 50mKorean Air

Deal found 1/22

$1,341

Fri 1/3112:45 pmICN - IAD

1 stop17h 43mUnited Airlines

Wed 2/510:05 pmIAD - ICN

2 stops28h 10mUnited Airlines

Deal found 1/22

$728

Sun 2/26:50 pmICN - IAD

1 stop19h 06mAmerican Airlines

Thu 2/66:10 amIAD - ICN

1 stop20h 35mAmerican Airlines

Deal found 1/22

$776

One-way flights from Seoul to Dulles Intl
Search for one-way flight options from Seoul to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated January 22, 2025.

Fri 2/286:50 pmICN - IAD

1 stop17h 43mAmerican Airlines

Deal found 1/22

$438

Tue 4/154:50 pmICN - IAD

3 stops36h 25mUnited Airlines

Deal found 1/21

$450

Fri 2/282:25 pmGMP - IAD

1 stop37h 45mAir China

Deal found 1/22

$467

Sun 3/96:55 pmICN - IAD

2 stops34h 23mMultiple Airlines

Deal found 1/22

$493

Sun 2/166:55 pmGMP - IAD

2 stops57h 15mMultiple Airlines

Deal found 1/21

$542

Tue 5/65:45 pmICN - IAD

2 stops40h 15mAir Canada

Deal found 1/21

$600

Thu 5/158:45 pmICN - IAD

1 stop34h 09mWestJet

Deal found 1/22

$628

Sun 2/912:30 amICN - IAD

2 stops32h 35mEthiopian Air

Deal found 1/22

$689

Thu 2/2712:10 amICN - IAD

1 stop33h 20mTurkish Airlines

Deal found 1/22

$956

Fri 2/287:50 amGMP - IAD

2 stops47h 58mJapan Airlines

Deal found 1/22

$985

Thu 2/610:15 amICN - IAD

Nonstop13h 35mKorean Air

Deal found 1/22

$1,006

Mon 6/2311:55 pmICN - IAD

1 stop45h 45mEmirates

Deal found 1/21

$1,037

Find flights from Seoul to Dulles Intl within your budget

Fly from

Fly to

Route

Depart

Return

Price

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Tue 2/11

12:45 pm-7:12 pm

2 stops20h 27m

Washington, D.C. Dulles Intl

Tue 2/18

10:20 pm-4:15 pm

1 stop27h 55m

$728

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Sun 2/2

6:50 pm-11:56 pm

1 stop19h 06m

Washington, D.C. Dulles Intl

Thu 2/6

6:10 am-4:45 pm

1 stop20h 35m

$776

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 3/7

3:30 pm-2:10 pm

1 stop36h 40m

Washington, D.C. Dulles Intl

Sat 3/15

5:35 pm-4:35 pm

2 stops34h 00m

$783

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 4/9

5:45 pm-3:13 pm

2 stops58h 28m

Washington, D.C. Dulles Intl

Sat 4/19

3:55 pm-4:05 pm

2 stops59h 10m

$883

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Mon 2/3

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

Thu 2/6

11:05 am-10:30 pm

1 stop21h 25m

$921

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Mon 3/10

2:25 pm-3:10 pm

1 stop37h 45m

Washington, D.C. Dulles Intl

Sat 3/15

5:35 pm-1:05 pm

2 stops30h 30m

$1,025

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 4/25

6:15 pm-12:23 am

1 stop19h 08m

Washington, D.C. Dulles Intl

Sun 5/25

8:45 am-5:45 pm

1 stop20h 00m

$1,053

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 3/10

10:15 am-10:50 am

Nonstop13h 35m

Washington, D.C. Dulles Intl

Sat 3/15

7:59 pm-5:00 am

1 stop68h 01m

$1,073

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Sun 2/2

12:30 am-7:05 pm

2 stops32h 35m

Washington, D.C. Dulles Intl

Wed 2/5

8:40 pm-3:45 pm

2 stops29h 05m

$1,169

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Sun 5/11

7:20 pm-7:43 am

2 stops49h 23m

Washington, D.C. Dulles Intl

Wed 7/9

7:00 am-10:00 pm

2 stops26h 00m

$1,304

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 27 results

Compare providers for flights from Seoul to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seoul to Dulles Intl in January.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Seoul-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seoul-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seoul-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Seoul-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seoul-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seoul to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Seoul with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Seoul to Dulles Intl

Get recent, data-driven insights about flights from Seoul to Dulles Intl including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Seoul to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Seoul to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEL to IAD?

A simple way to save on the total cost of your ticket is to fly from Seoul to Washington, D.C. Dulles Intl Airport at noon. If you’re flexible enough to do this you can expect to save up to 46% on your trip compared to booking a flight in the morning.

Weekly flight availability from Seoul to Washington, D.C. Dulles Intl Airport

The most flights from SEL to IAD are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Dulles Intl by month

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Read reviews from past customers who have flown Air China, Air Canada and Korean Air from Seoul to Washington, D.C.. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Korean Air

8.5

Very good

1,039 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air

8.5

Very good

1,039 reviews

Korean Air

8.5

Very good

1,039 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

ANA

8.4

Very good

852 reviews

Korean Air

8.5

Very good

1,039 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Japan Airlines

8.3

Very good

1,447 reviews

Korean Air

8.5

Very good

1,039 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Emirates

8.1

Very good

3,357 reviews

Korean Air

8.5

Very good

1,039 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Delta

8.0

Very good

8,514 reviews

Korean Air

8.5

Very good

1,039 reviews

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Related info for your journey

What are the cheapest airlines flying from Seoul to Washington, D.C. Dulles Intl Airport round-trip?
United Airlines, at $728, was found to be the cheapest airline from Seoul to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include American Airlines and Air China. These flights start at 49% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Seoul to Washington, D.C. Dulles Intl Airport one-way?
The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $438. However, be on the lookout for offers from United Airlines and Air China, as they are both options that can get you from Seoul to Washington, D.C. Dulles Intl Airport for a low price.
What are the cheapest flights from Seoul to Washington, D.C. Dulles Intl Airport?
Looking at all options, your cheapest flight can be booked for $1,049. While the most popular route (Incheon Intl - Washington, D.C. Dulles Intl) can be booked for $718 on average our data indicates $2,800 when flying from Seoul to Washington, D.C. Dulles Intl Airport.
Can I find deals for flights from Seoul to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Seoul to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seoul to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seoul to Dulles Intl.
Can I find deals for business class flights from Seoul to Dulles Intl?
Yes. Cheapflights offers flight deals from Seoul to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Seoul to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Seoul to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Seoul to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 5 airlines flying from Seoul to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$713	Average$866	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$733	Average$1,157	FlexibilityNo cancel fee	On-time69%
Air Canada	Cheapest$873	Average$1,119	FlexibilityNo cancel fee	On-time67%
Delta	Cheapest$1,313	Average$1,613	FlexibilityNo cancel fee	On-timeN/A
Korean Air	Cheapest$1,361	Average$1,650	FlexibilityNo cancel fee	On-time81%

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$438+ Cheap flights from Seoul (SEL) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seoul to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Seoul to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Seoul to Dulles Intl

Cheapest flights from Seoul to Dulles IntlExplore the most affordable flight options available from Seoul to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 22, 2025.

Explore the most affordable flight options available from Seoul to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 22, 2025.

Find flights from Seoul to Dulles Intl within your budget

Compare providers for flights from Seoul to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seoul to Dulles Intl in January.

Best time to book a flight from Seoul to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Seoul with our price prediction graph.

Travel insights for flights from Seoul to Dulles Intl

Get recent, data-driven insights about flights from Seoul to Dulles Intl including ideal travel times, pricing trends, and more.

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

What is the cheapest time of day to fly from SEL to IAD?

Find hourly flight availability from Seoul to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 22, 2025.

Weekly flight availability from Seoul to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Seoul to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 22, 2025.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Dulles Intl

Read reviews from past customers who have flown Air China, Air Canada and Korean Air from Seoul to Washington, D.C.. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Seoul to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Seoul to Washington, D.C. Dulles Intl Airport round-trip?

What are the cheapest airlines to fly from Seoul to Washington, D.C. Dulles Intl Airport one-way?

What are the cheapest flights from Seoul to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from Seoul to Dulles Intl that include hotel bookings?

How can I find direct flights from Seoul to Dulles Intl?

Can I find deals for business class flights from Seoul to Dulles Intl?

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

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Alternative routes for Seoul to Dulles Intl

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Top 5 airlines flying from Seoul to Dulles Intl

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Cheapest flights from Seoul to Dulles Intl
Explore the most affordable flight options available from Seoul to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 22, 2025.