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

Air Canada, at $899, 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 United Airlines. These flights start at 38% 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 WestJet, with whom users have recently found tickets for as low as $483. However, be on the lookout for offers from Air Canada and American Airlines, 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 $1,052. While the most popular route (Incheon Intl - Washington, D.C. Dulles Intl) can be booked for $822 on average our data indicates $1,393 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 36% 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 $827, or $953 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 $1,140. You can even find prices in February for less than $1,140, as users have found deals to Washington, D.C. Dulles Intl Airport from as low as $748. 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seoul-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

$409+ Flights from Seoul to Washington, D.C. Dulles Intl Airport - Compare & Save Big

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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”

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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.

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Cheap flight deals from Seoul to Dulles Intl

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$811 (Kiwi.com)
One-way from	$409 (Kiwi.com)
Popular in	July
Cheapest in	April
Average price	$1,099
Good round-trip deal	$1,440 or less
Good one-way deal	$1,085 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. 11% potential increase in price ($197 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($41 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 30, 2025.

Wed 5/284:40 pmICN - IAD

1 stop20h 19mMultiple Airlines

Wed 6/116:30 amIAD - ICN

1 stop21h 10mMultiple Airlines

Deal found 4/27

$811

Fri 10/315:50 pmICN - IAD

2 stops30h 26mAir Canada

Fri 11/79:45 amIAD - ICN

1 stop18h 40mAir Canada

Deal found 4/28

$883

Wed 5/75:25 pmICN - IAD

2 stops28h 13mAmerican Airlines

Wed 5/146:17 amIAD - ICN

1 stop20h 13mAmerican Airlines

Deal found 4/29

$917

Sat 5/34:50 pmICN - IAD

1 stop35h 00mUnited Airlines

Tue 5/612:10 pmIAD - ICN

1 stop34h 20mUnited Airlines

Deal found 4/29

$959

Mon 10/67:55 pmGMP - IAD

1 stop27h 10mANA

Thu 10/1612:15 pmIAD - GMP

1 stop21h 05mANA

Deal found 4/28

$1,033

Mon 5/127:55 amGMP - IAD

2 stops36h 48mJapan Airlines

Tue 5/206:30 amIAD - GMP

2 stops26h 20mJapan Airlines

Deal found 4/28

$1,323

Wed 6/1112:05 pmGMP - IAD

2 stops32h 31mMultiple Airlines

Tue 6/176:27 amIAD - GMP

2 stops26h 23mMultiple Airlines

Deal found 4/28

$1,409

Fri 12/128:35 amGMP - IAD

1 stop23h 55mAir China

Fri 1/1610:00 pmIAD - GMP

1 stop25h 05mAir China

Deal found 4/29

$1,834

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 April 30, 2025.

Wed 5/284:40 pmICN - IAD

1 stop20h 19mMultiple Airlines

Wed 6/116:30 amIAD - ICN

1 stop21h 10mMultiple Airlines

Deal found 4/27

$811

Wed 10/155:45 pmICN - IAD

2 stops40h 20mAir Canada

Wed 10/229:45 amIAD - ICN

2 stops41h 20mAir Canada

Deal found 4/27

$899

Thu 5/155:25 pmICN - IAD

2 stops43h 37mAmerican Airlines

Tue 8/56:35 amIAD - ICN

2 stops43h 55mAmerican Airlines

Deal found 4/29

$917

Mon 6/306:30 pmICN - IAD

1 stop34h 15mUnited Airlines

Mon 7/143:00 pmIAD - ICN

1 stop35h 00mUnited Airlines

Deal found 4/29

$961

Mon 10/67:55 pmGMP - IAD

1 stop27h 10mANA

Thu 10/1612:15 pmIAD - GMP

1 stop21h 05mANA

Deal found 4/28

$1,033

Thu 5/1510:25 amICN - IAD

Nonstop13h 50mKorean Air

Tue 8/58:31 pmIAD - ICN

1 stop19h 19mKorean Air

Deal found 4/29

$1,104

Mon 5/127:55 amGMP - IAD

2 stops36h 48mJapan Airlines

Tue 5/206:30 amIAD - GMP

2 stops26h 20mJapan Airlines

Deal found 4/28

$1,323

Mon 6/92:25 pmGMP - IAD

2 stops29h 14mAir China

Tue 6/2411:00 pmIAD - GMP

1 stop26h 00mAir China

Deal found 4/29

$2,021

Wed 6/1112:05 pmGMP - IAD

2 stops32h 31mMultiple Airlines

Tue 6/176:27 amIAD - GMP

2 stops26h 23mMultiple Airlines

Deal found 4/28

$1,409

Last-minute flights from Seoul to Dulles Intl
Discover last-minute flight deals from Seoul to Dulles Intl. Data last updated April 30, 2025 and is based on user searches.

Thu 5/17:55 pmGMP - IAD

1 stop27h 10mANA

Thu 5/812:15 pmIAD - GMP

1 stop21h 05mANA

Deal found 4/29

$1,038

Thu 5/17:55 pmGMP - IAD

1 stop27h 10mMultiple Airlines

Thu 5/812:15 pmIAD - GMP

2 stops20h 10mMultiple Airlines

Deal found 4/29

$2,212

Sat 5/34:50 pmICN - IAD

1 stop35h 00mUnited Airlines

Tue 5/612:10 pmIAD - ICN

1 stop34h 20mUnited Airlines

Deal found 4/29

$959

Sun 5/44:50 pmICN - IAD

1 stop36h 40mUnited Airlines

Sun 5/1812:10 pmIAD - ICN

1 stop34h 20mUnited Airlines

Deal found 4/29

$1,150

Sun 5/412:35 amICN - IAD

2 stops32h 30mEthiopian Air

Mon 5/199:40 pmIAD - ICN

2 stops29h 20mEthiopian Air

Deal found 4/29

$1,165

Sun 5/47:55 pmGMP - IAD

1 stop27h 10mANA

Thu 5/812:15 pmIAD - GMP

1 stop21h 05mANA

Deal found 4/28

$1,306

Sun 5/410:25 amICN - IAD

Nonstop13h 50mKorean Air

Thu 5/81:15 pmIAD - ICN

Nonstop15h 25mKorean Air

Deal found 4/28

$1,391

Mon 5/58:40 pmICN - IAD

1 stop32h 20mMultiple Airlines

Wed 9/249:00 amIAD - ICN

1 stop19h 55mMultiple Airlines

Deal found 4/28

$841

Tue 5/610:25 pmICN - IAD

2 stops31h 19mKLM

Fri 5/169:20 pmIAD - ICN

2 stops30h 05mKLM

Deal found 4/28

$1,468

Wed 5/75:25 pmICN - IAD

2 stops28h 13mAmerican Airlines

Wed 5/146:17 amIAD - ICN

1 stop20h 13mAmerican Airlines

Deal found 4/29

$917

Wed 5/75:45 pmICN - IAD

2 stops28h 54mAir Canada

Wed 5/219:45 amIAD - ICN

2 stops41h 20mAir Canada

Deal found 4/29

$1,024

Thu 5/82:40 pmICN - IAD

1 stop27h 26mAsiana Airlines

Thu 5/228:15 amIAD - ICN

1 stop20h 20mAsiana Airlines

Deal found 4/29

$1,282

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 April 30, 2025.

Wed 5/286:20 pmICN - IAD

1 stop24h 35mMultiple Airlines

Deal found 4/29

$409

Thu 6/128:45 pmICN - IAD

1 stop34h 09mWestJet

Deal found 4/28

$483

Tue 5/137:40 pmGMP - IAD

3 stops57h 05mMultiple Airlines

Deal found 4/28

$560

Wed 9/246:00 pmICN - IAD

1 stop30h 16mAir Canada

Deal found 4/29

$585

Tue 5/275:25 pmICN - IAD

1 stop18h 32mAmerican Airlines

Deal found 4/29

$586

Fri 6/131:05 pmICN - IAD

1 stop19h 25mAir China

Deal found 4/29

$592

Sun 5/412:35 amICN - IAD

2 stops32h 30mEthiopian Air

Deal found 4/29

$688

Sat 5/171:50 pmGMP - IAD

2 stops42h 09mEVA Air

Deal found 4/28

$745

Thu 6/127:20 pmGMP - IAD

2 stops49h 07mJapan Airlines

Deal found 4/28

$815

Mon 5/268:35 amGMP - IAD

2 stops34h 54mAir China

Deal found 4/29

$973

Mon 5/2612:40 pmGMP - IAD

1 stop34h 25mANA

Deal found 4/29

$1,268

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seoul to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 5/28

4:40 pm-11:59 pm

1 stop20h 19m

Washington, D.C. Dulles Intl

Wed 6/11

6:30 am-4:40 pm

1 stop21h 10m

$811

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 10/15

5:45 pm-9:05 pm

2 stops40h 20m

Washington, D.C. Dulles Intl

Wed 10/22

9:45 am-4:05 pm

2 stops41h 20m

$899

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 5/15

5:25 pm-12:02 am

2 stops43h 37m

Washington, D.C. Dulles Intl

Tue 8/5

6:35 am-3:30 pm

2 stops43h 55m

$917

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 6/30

6:30 pm-3:45 pm

1 stop34h 15m

Washington, D.C. Dulles Intl

Mon 7/14

3:00 pm-3:00 pm

1 stop35h 00m

$961

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Mon 10/6

7:55 pm-10:05 am

1 stop27h 10m

Washington, D.C. Dulles Intl

Thu 10/16

12:15 pm-10:20 pm

1 stop21h 05m

$1,033

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 5/15

10:25 am-11:15 am

Nonstop13h 50m

Washington, D.C. Dulles Intl

Tue 8/5

8:31 pm-4:50 am

1 stop19h 19m

$1,104

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Mon 5/12

7:55 am-7:43 am

2 stops36h 48m

Washington, D.C. Dulles Intl

Tue 5/20

6:30 am-9:50 pm

2 stops26h 20m

$1,323

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Wed 6/11

12:05 pm-7:36 am

2 stops32h 31m

Washington, D.C. Dulles Intl

Tue 6/17

6:27 am-9:50 pm

2 stops26h 23m

$1,409

SeoulWashington, D.C.

GMP - IAD

GMPIAD

Seoul Gimpo Intl

Mon 6/9

2:25 pm-6:39 am

2 stops29h 14m

Washington, D.C. Dulles Intl

Tue 6/24

11:00 pm-2:00 pm

1 stop26h 00m

$2,021

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 5/28

6:20 pm-5:55 am

1 stop24h 35m

$409

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 20 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 April.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy3 stars	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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seoul-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

Cheapflights Insights

Everything you need to know about your flight from Seoul to Washington, D.C. Dulles Intl Airport

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 $373). 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 42% 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 EVA Air, Korean Air and Japan Airlines from Seoul to Washington, D.C.. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

EVA Air

8.4

Very good

1,186 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Korean Air

8.4

Very good

1,066 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Japan Airlines

8.3

Very good

1,459 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

ANA

8.3

Very good

852 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

United Airlines

7.4

Good

8,696 reviews

EVA Air

8.4

Very good

1,186 reviews

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Related info for your journey

What are the cheapest airlines flying from Seoul to Washington, D.C. Dulles Intl Airport round-trip?
Air Canada, at $899, 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 United Airlines. These flights start at 38% 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 WestJet, with whom users have recently found tickets for as low as $483. However, be on the lookout for offers from Air Canada and American Airlines, 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 $1,052. While the most popular route (Incheon Intl - Washington, D.C. Dulles Intl) can be booked for $822 on average our data indicates $1,393 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 $373). 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$688	Average$866	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$726	Average$907	FlexibilityNo cancel fee	On-time69%
Air Canada	Cheapest$965	Average$970	FlexibilityNo cancel fee	On-time67%
Korean Air	Cheapest$1,300	Average$1,532	FlexibilityNo cancel fee	On-time81%
Delta	Cheapest$1,313	Average$1,532	FlexibilityNo cancel fee	On-timeN/A

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$409+ 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 5/28. 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 April 30, 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 April 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seoul to Washington, D.C. Dulles Intl Airport that are best for you.

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 April.

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.

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Everything you need to know about your flight from Seoul to Washington, D.C. Dulles Intl Airport

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 April 30, 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 April 30, 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 EVA Air, Korean Air and Japan 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 April 30, 2025.