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

United Airlines, at $733, 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 48% 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 United Airlines, with whom users have recently found tickets for as low as $456. However, be on the lookout for offers from Air China and WestJet, 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 $1,077. While the most popular route (Incheon Intl - Washington, D.C. Dulles Intl) can be booked for $733 on average our data indicates $2,806 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 February. Prices to Washington, D.C. Dulles Intl Airport from Seoul average $1,173. You can even find prices in February for less than $1,173, as users have found deals to Washington, D.C. Dulles Intl Airport from as low as $738. 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 59%.

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.

$456+ Save on Flights from Seoul to Washington, D.C. Dulles Intl Airport

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Find cheap flights from Seoul to Dulles Intl with Cheapflights

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

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Seoul to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$733 (United Airlines)
One-way from	$456 (United Airlines)
Popular in	July
Cheapest in	October
Average price	$1,272
Good round-trip deal	$1,339 or less
Good one-way deal	$1,158 or less

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

Search Deals

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

Search Deals

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. 15% potential increase in price ($250 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

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

Search Deals

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

Search Deals

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 febrero 20, 2025.

jue. 3/612:45 pmICN - IAD

1 stop26h 20mUnited Airlines

mié. 3/196:30 amIAD - ICN

1 stop19h 45mUnited Airlines

Deal found 2/19

$733

mié. 3/56:50 pmICN - IAD

2 stops28h 00mAmerican Airlines

sáb. 4/58:14 pmIAD - ICN

2 stops30h 16mAmerican Airlines

Deal found 2/20

$782

vie. 3/283:30 pmICN - IAD

1 stop36h 40mAir China

mar. 4/86:00 pmIAD - ICN

2 stops33h 35mAir China

Deal found 2/19

$789

lun. 7/215:45 pmICN - IAD

1 stop35h 42mAir Canada

sáb. 7/2610:11 pmIAD - ICN

2 stops52h 54mAir Canada

Deal found 2/19

$874

jue. 3/67:50 pmGMP - IAD

1 stop27h 20mANA

mié. 3/1912:10 pmIAD - GMP

1 stop34h 10mANA

Deal found 2/19

$889

lun. 4/145:30 pmICN - IAD

1 stop25h 10mMultiple Airlines

vie. 4/187:00 amIAD - ICN

1 stop23h 50mMultiple Airlines

Deal found 2/19

$978

lun. 2/242:25 pmGMP - IAD

1 stop37h 45mAir China

sáb. 3/155:35 pmIAD - GMP

2 stops30h 30mAir China

Deal found 2/19

$1,110

dom. 10/267:50 amGMP - IAD

2 stops35h 05mJapan Airlines

mié. 10/297:00 amIAD - GMP

2 stops26h 20mJapan Airlines

Deal found 2/19

$1,153

lun. 3/102:25 pmGMP - IAD

1 stop37h 45mMultiple Airlines

mié. 4/97:00 amIAD - GMP

2 stops25h 50mMultiple Airlines

Deal found 2/19

$1,418

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 febrero 20, 2025.

jue. 3/612:45 pmICN - IAD

1 stop26h 20mUnited Airlines

mié. 3/196:30 amIAD - ICN

1 stop19h 45mUnited Airlines

Deal found 2/19

$733

mié. 3/56:50 pmICN - IAD

2 stops28h 00mAmerican Airlines

sáb. 4/58:14 pmIAD - ICN

2 stops30h 16mAmerican Airlines

Deal found 2/20

$782

vie. 3/283:30 pmICN - IAD

1 stop36h 40mAir China

mar. 4/86:00 pmIAD - ICN

2 stops33h 35mAir China

Deal found 2/19

$789

lun. 7/215:45 pmICN - IAD

1 stop35h 42mAir Canada

sáb. 7/2610:11 pmIAD - ICN

2 stops52h 54mAir Canada

Deal found 2/19

$874

jue. 3/67:50 pmGMP - IAD

1 stop27h 20mANA

mié. 3/1912:10 pmIAD - GMP

1 stop34h 10mANA

Deal found 2/19

$889

lun. 4/75:30 pmICN - IAD

1 stop25h 10mMultiple Airlines

mié. 4/167:00 amIAD - ICN

1 stop23h 50mMultiple Airlines

Deal found 2/20

$965

dom. 5/1812:05 pmGMP - IAD

2 stops32h 31mJapan Airlines

sáb. 5/247:00 amIAD - GMP

2 stops25h 50mJapan Airlines

Deal found 2/19

$1,604

lun. 3/102:25 pmGMP - IAD

1 stop37h 45mAir China

mar. 4/86:00 pmIAD - GMP

2 stops30h 05mAir China

Deal found 2/19

$1,283

lun. 3/102:25 pmGMP - IAD

1 stop37h 45mMultiple Airlines

mié. 4/97:00 amIAD - GMP

2 stops25h 50mMultiple Airlines

Deal found 2/19

$1,418

Last-minute flights from Seoul to Dulles Intl
Discover last-minute flight deals from Seoul to Dulles Intl. Data last updated febrero 20, 2025 and is based on user searches.

lun. 2/242:25 pmGMP - IAD

1 stop37h 45mAir China

sáb. 3/155:35 pmIAD - GMP

2 stops30h 30mAir China

Deal found 2/19

$1,110

mar. 2/2512:20 amICN - IAD

1 stop29h 35mQatar Airways

vie. 2/288:05 pmIAD - ICN

1 stop31h 10mQatar Airways

Deal found 2/18

$1,605

mié. 2/2612:45 pmICN - IAD

2 stops24h 38mUnited Airlines

dom. 3/210:20 pmIAD - ICN

2 stops27h 55mUnited Airlines

Deal found 2/19

$735

mié. 2/268:05 pmICN - IAD

1 stop33h 23mDelta

jue. 5/227:30 amIAD - ICN

1 stop20h 10mDelta

Deal found 2/19

$1,408

mié. 2/2612:10 amICN - IAD

1 stop26h 05mTurkish Airlines

mié. 3/59:25 pmIAD - ICN

1 stop21h 40mTurkish Airlines

Deal found 2/18

$1,439

jue. 2/2710:15 amICN - IAD

Nonstop13h 35mKorean Air

mié. 12/2411:50 amIAD - ICN

Nonstop15h 50mKorean Air

Deal found 2/19

$1,356

jue. 2/272:40 pmICN - IAD

1 stop20h 29mAsiana Airlines

mié. 12/246:00 amIAD - ICN

1 stop21h 35mAsiana Airlines

Deal found 2/19

$1,424

sáb. 3/16:50 pmICN - IAD

1 stop17h 43mAmerican Airlines

lun. 3/35:13 pmIAD - ICN

1 stop33h 32mAmerican Airlines

Deal found 2/20

$855

sáb. 3/111:05 pmICN - IAD

1 stop30h 40mMultiple Airlines

jue. 4/36:30 pmIAD - ICN

1 stop23h 00mMultiple Airlines

Deal found 2/20

$1,388

sáb. 3/111:05 pmICN - IAD

2 stops31h 20mKLM

jue. 4/35:25 pmIAD - ICN

2 stops24h 05mKLM

Deal found 2/20

$1,445

dom. 3/28:10 pmICN - IAD

1 stop34h 14mAir Canada

mié. 12/245:10 pmIAD - ICN

2 stops35h 15mAir Canada

Deal found 2/19

$975

dom. 3/27:45 amGMP - IAD

2 stops37h 41mANA

mié. 3/511:05 amIAD - GMP

1 stop34h 15mANA

Deal found 2/20

$1,034

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 febrero 20, 2025.

vie. 2/2812:45 pmICN - IAD

1 stop26h 15mUnited Airlines

Deal found 2/20

$456

lun. 3/172:25 pmGMP - IAD

1 stop37h 45mAir China

Deal found 2/19

$458

lun. 3/245:50 pmICN - IAD

1 stop34h 20mAir China

Deal found 2/19

$458

dom. 5/258:45 pmICN - IAD

1 stop34h 09mWestJet

Deal found 2/19

$478

mar. 5/271:30 pmICN - IAD

3 stops54h 02mMultiple Airlines

Deal found 2/20

$506

dom. 3/26:50 pmICN - IAD

1 stop17h 43mAmerican Airlines

Deal found 2/19

$527

jue. 5/155:45 pmICN - IAD

2 stops27h 10mAir Canada

Deal found 2/19

$581

mié. 6/181:05 amICN - IAD

2 stops31h 45mEthiopian Air

Deal found 2/19

$689

lun. 3/248:50 pmGMP - IAD

2 stops31h 20mMultiple Airlines

Deal found 2/19

$693

lun. 5/197:55 amGMP - IAD

2 stops36h 41mJapan Airlines

Deal found 2/19

$708

jue. 6/2612:15 pmICN - IAD

1 stop32h 25mAir India

Deal found 2/19

$759

sáb. 8/1611:50 pmICN - IAD

2 stops43h 05mSingapore Airlines

Deal found 2/18

$826

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

jue. 3/6

12:45 pm-1:05 am

1 stop26h 20m

Washington, D.C. Dulles Intl

mié. 3/19

6:30 am-3:15 pm

1 stop19h 45m

$733

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

mié. 3/5

6:50 pm-8:50 am

2 stops28h 00m

Washington, D.C. Dulles Intl

sáb. 4/5

8:14 pm-3:30 pm

2 stops30h 16m

$782

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

vie. 3/28

3:30 pm-3:10 pm

1 stop36h 40m

Washington, D.C. Dulles Intl

mar. 4/8

6:00 pm-4:35 pm

2 stops33h 35m

$789

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

lun. 7/21

5:45 pm-4:27 pm

1 stop35h 42m

Washington, D.C. Dulles Intl

sáb. 7/26

10:11 pm-4:05 pm

2 stops52h 54m

$874

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

jue. 3/6

7:50 pm-9:10 am

1 stop27h 20m

Washington, D.C. Dulles Intl

mié. 3/19

12:10 pm-11:20 am

1 stop34h 10m

$889

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

lun. 4/14

5:30 pm-5:40 am

1 stop25h 10m

Washington, D.C. Dulles Intl

vie. 4/18

7:00 am-7:50 pm

1 stop23h 50m

$978

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

lun. 3/10

2:25 pm-3:10 pm

1 stop37h 45m

Washington, D.C. Dulles Intl

mar. 4/8

6:00 pm-1:05 pm

2 stops30h 05m

$1,283

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

lun. 3/10

2:25 pm-3:10 pm

1 stop37h 45m

Washington, D.C. Dulles Intl

mié. 4/9

7:00 am-9:50 pm

2 stops25h 50m

$1,418

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

dom. 5/18

12:05 pm-7:36 am

2 stops32h 31m

Washington, D.C. Dulles Intl

sáb. 5/24

7:00 am-9:50 pm

2 stops25h 50m

$1,604

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

vie. 2/28

12:45 pm-1:00 am

1 stop26h 15m

$456

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 22 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 February.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star

*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 43% 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 ANA, Japan Airlines and Singapore Airlines from Seoul to Washington, D.C.. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

ANA

8.4

Very good

842 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

ANA

8.4

Very good

842 reviews

ANA

8.4

Very good

842 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Japan Airlines

8.3

Very good

1,440 reviews

ANA

8.4

Very good

842 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

Singapore Airlines

8.1

Very good

1,299 reviews

ANA

8.4

Very good

842 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

United Airlines

7.4

Good

8,766 reviews

ANA

8.4

Very good

842 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

American Airlines

7.2

Good

10,000 reviews

ANA

8.4

Very good

842 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2025

MNL - HND

Great experience! Roomy economy leg room with foot rest, great crew and accommodations. Highly recommend!

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 $733, 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 48% 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 United Airlines, with whom users have recently found tickets for as low as $456. However, be on the lookout for offers from Air China and WestJet, 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 $1,077. While the most popular route (Incheon Intl - Washington, D.C. Dulles Intl) can be booked for $733 on average our data indicates $2,806 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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Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Seoul to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$688	Average$839	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$726	Average$1,087	FlexibilityNo cancel fee	On-time69%
Air Canada	Cheapest$965	Average$970	FlexibilityNo cancel fee	On-time67%
Delta	Cheapest$1,313	Average$1,667	FlexibilityNo cancel fee	On-timeN/A
Korean Air	Cheapest$1,334	Average$1,641	FlexibilityNo cancel fee	On-time81%

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$456+ 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 febrero 20, 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 febrero 20, 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 February.

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 febrero 20, 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 febrero 20, 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 ANA, Japan Airlines and Singapore Airlines 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 febrero 20, 2025.