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

For one-way options, check prices for Turkish Airlines. According to our data, you can fly for as low as $592. Users have also found prices from $605 and $677 on Air Canada and China Airlines, respectively.

What are the most popular routes from Washington, D.C. Dulles Intl Airport to South Korea?

The most popular route from Washington, D.C. Dulles Intl Airport to South Korea is Washington, D.C. Dulles Intl - Incheon Intl. You may also consider Washington, D.C. Dulles Intl - Seoul Gimpo Intl or Washington, D.C. Dulles Intl - Ulsan.

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

Looking at all options, your cheapest flight can be booked for $497. While the most popular route (Washington, D.C. Dulles Intl - Incheon Intl) can be booked for $942 on average our data indicates $4,266 when flying from Washington, D.C. Dulles Intl Airport to South Korea.

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

The most popular airlines flying from Washington, D.C. Dulles Intl Airport to South Korea are American Airlines, Air Canada and Air China. Something to consider prior to booking your flight.

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

Users have found that booking a flight from Washington, D.C. Dulles Intl Airport to South Korea at least 19 days early can save you up to 128% on average compared to booking a flight this week. If booking 19 days before your flight isn’t an option for you, users have found flights from Washington, D.C. Dulles Intl Airport to South Korea for as little as $1,165 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,352 for flights departing within the next 3 days.

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

January can be a great time to fly to South Korea from Washington, D.C. Dulles Intl Airport with a flight ticket averaging about $1,361. Cheapflights users have found deals in the month of January for as cheap as $863. The most expensive prices can be found in the month of June.

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

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

How can I find direct flights from Dulles Intl to South Korea?

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

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

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

$1,413+ Flights from Washington, D.C. Dulles Intl Airport to South Korea

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Dulles Intl to South Korea 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 Dulles Intl to South Korea

Round-trip from	$1,265 (Trip.com)
One-way from	$592 (Gotogate)
Popular in	June
Cheapest in	January
Average price	$1,850
Good round-trip deal	$1,046 or less
Good one-way deal	$624 or less

From Washington, D.C. Dulles Intl to South Korea

Search Deals

One-way flight from Washington, D.C. Dulles Intl to South Korea

Search Deals

Highest demand for flights based on searches. 20% potential increase in price ($344 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 June 2025

Search Deals

Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to South Korea.

Search Deals

Price to beat on a one-way flight from Washington, D.C. Dulles Intl to South Korea.

Search Deals

Find flight deals from Dulles Intl to South Korea

Cheapest flights from Dulles Intl to South Korea
Explore the most affordable flight options available from Dulles Intl to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

lun. 9/19:40 pmIAD - ICN

1 stop22h 00mMultiple Airlines

dom. 9/2112:35 amICN - IAD

2 stops32h 30mMultiple Airlines

Deal found 6/10

$1,265

mar. 10/141:30 pmIAD - ICN

1 stop39h 10mTurkish Airlines

lun. 10/2712:10 amICN - IAD

1 stop25h 00mTurkish Airlines

Deal found 6/10

$1,307

dom. 10/51:00 pmIAD - ICN

2 stops38h 05mAir Canada

mié. 10/156:00 pmICN - IAD

1 stop30h 13mAir Canada

Deal found 6/12

$1,314

jue. 10/165:31 pmIAD - ICN

2 stops30h 09mCathay Pacific

vie. 10/243:10 pmICN - IAD

2 stops56h 35mCathay Pacific

Deal found 6/12

$1,336

sáb. 9/68:23 pmIAD - ICN

2 stops25h 52mChina Airlines

mar. 9/1612:35 pmICN - IAD

2 stops36h 15mChina Airlines

Deal found 6/10

$1,349

lun. 7/2110:20 amIAD - GMP

2 stops22h 45mMultiple Airlines

lun. 8/112:25 pmGMP - IAD

3 stops32h 12mMultiple Airlines

Deal found 6/12

$1,362

vie. 9/266:45 pmIAD - ICN

1 stop35h 00mWestJet

jue. 10/98:45 pmICN - IAD

1 stop34h 05mWestJet

Deal found 6/11

$1,383

mié. 9/178:25 amIAD - PUS

2 stops22h 10mMultiple Airlines

mar. 10/1412:45 pmPUS - IAD

1 stop19h 45mMultiple Airlines

Deal found 6/10

$1,393

lun. 11/105:51 pmIAD - ICN

3 stops35h 34mAlaska Airlines

lun. 11/179:25 pmICN - IAD

2 stops33h 41mAlaska Airlines

Deal found 6/11

$1,405

lun. 9/17:00 amIAD - GMP

2 stops25h 50mJapan Airlines

mié. 9/107:55 amGMP - IAD

2 stops36h 37mJapan Airlines

Deal found 6/12

$1,453

sáb. 8/238:19 pmIAD - ICN

2 stops30h 11mAmerican Airlines

lun. 9/15:25 pmICN - IAD

2 stops29h 28mAmerican Airlines

Deal found 6/12

$1,481

mar. 11/410:00 pmIAD - GMP

1 stop25h 05mAir China

jue. 11/132:25 pmGMP - IAD

2 stops30h 23mAir China

Deal found 6/11

$1,525

Best flights from Dulles Intl to South Korea
Discover carefully curated flight deals from Dulles Intl to South Korea that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated junio 12, 2025.

lun. 9/19:40 pmIAD - ICN

1 stop22h 00mMultiple Airlines

dom. 9/2112:35 amICN - IAD

2 stops32h 30mMultiple Airlines

Deal found 6/10

$1,265

jue. 8/211:30 pmIAD - ICN

1 stop30h 10mTurkish Airlines

dom. 8/3111:20 pmICN - IAD

1 stop25h 25mTurkish Airlines

Deal found 6/11

$1,316

mar. 7/229:35 amIAD - ICN

1 stop17h 40mAir Canada

mar. 7/295:45 pmICN - IAD

2 stops35h 25mAir Canada

Deal found 6/9

$1,318

sáb. 9/68:23 pmIAD - ICN

2 stops25h 52mChina Airlines

mar. 9/1612:35 pmICN - IAD

2 stops36h 15mChina Airlines

Deal found 6/10

$1,349

mié. 7/96:45 pmIAD - ICN

1 stop35h 00mWestJet

jue. 7/178:45 pmICN - IAD

1 stop34h 09mWestJet

Deal found 6/10

$1,420

lun. 9/17:00 amIAD - GMP

2 stops25h 50mJapan Airlines

mié. 9/107:55 amGMP - IAD

2 stops36h 37mJapan Airlines

Deal found 6/12

$1,453

sáb. 8/238:19 pmIAD - ICN

2 stops30h 11mAmerican Airlines

lun. 9/15:25 pmICN - IAD

1 stop18h 18mAmerican Airlines

Deal found 6/12

$1,481

vie. 8/158:19 pmIAD - ICN

3 stops33h 41mAlaska Airlines

vie. 8/299:25 pmICN - IAD

2 stops32h 22mAlaska Airlines

Deal found 6/10

$1,501

mar. 8/2611:00 pmIAD - GMP

1 stop25h 05mAir China

mar. 9/28:35 amGMP - IAD

1 stop23h 55mAir China

Deal found 6/12

$1,578

mié. 8/2712:15 pmIAD - GMP

1 stop21h 05mANA

mar. 9/27:55 pmGMP - IAD

1 stop27h 10mANA

Deal found 6/12

$1,607

vie. 6/271:30 pmIAD - PUS

1 stop29h 15mKorean Air

dom. 7/64:30 pmPUS - IAD

1 stop31h 45mKorean Air

Deal found 6/12

$2,712

lun. 7/2110:20 amIAD - GMP

2 stops22h 45mMultiple Airlines

lun. 8/112:25 pmGMP - IAD

3 stops32h 12mMultiple Airlines

Deal found 6/12

$1,362

Last-minute flights from Dulles Intl to South Korea
Discover last-minute flight deals from Dulles Intl to South Korea. Data last updated junio 12, 2025 and is based on user searches.

dom. 6/1511:04 amIAD - ICN

2 stops44h 26mMultiple Airlines

mié. 7/166:20 pmICN - IAD

1 stop25h 30mMultiple Airlines

Deal found 6/10

$1,304

mar. 6/1712:50 pmIAD - ICN

1 stop32h 38mAir India

mar. 7/112:15 pmICN - IAD

2 stops36h 00mAir India

Deal found 6/10

$1,750

mar. 6/179:40 pmIAD - ICN

1 stop31h 00mTurkish Airlines

mar. 7/111:20 pmICN - IAD

1 stop25h 25mTurkish Airlines

Deal found 6/10

$1,761

mar. 6/175:12 pmIAD - ICN

2 stops58h 03mAir Canada

jue. 7/35:45 pmICN - IAD

2 stops28h 52mAir Canada

Deal found 6/11

$1,833

mar. 6/1711:00 pmIAD - GMP

1 stop25h 05mAir China

mar. 7/88:35 amGMP - IAD

1 stop23h 55mAir China

Deal found 6/12

$2,264

mar. 6/1712:15 pmIAD - GMP

1 stop21h 05mANA

mar. 7/157:40 amGMP - IAD

1 stop21h 05mANA

Deal found 6/10

$2,426

mar. 6/178:30 amIAD - GMP

2 stops24h 50mMultiple Airlines

lun. 7/77:55 pmGMP - IAD

1 stop27h 10mMultiple Airlines

Deal found 6/10

$2,526

jue. 6/1910:05 pmIAD - ICN

1 stop23h 40mEtihad Airways

dom. 6/291:35 amICN - IAD

1 stop27h 35mEtihad Airways

Deal found 6/11

$1,882

jue. 6/1911:50 amIAD - ICN

2 stops35h 50mCathay Pacific

vie. 8/11:40 pmICN - IAD

2 stops58h 19mCathay Pacific

Deal found 6/11

$1,891

vie. 6/208:19 pmIAD - ICN

1 stop30h 26mMultiple Airlines

sáb. 7/196:20 pmICN - IAD

1 stop25h 30mMultiple Airlines

Deal found 6/9

$1,475

dom. 6/226:30 pmIAD - ICN

1 stop23h 00mAir France

mié. 7/98:30 amICN - IAD

1 stop23h 45mAir France

Deal found 6/12

$1,659

dom. 6/225:25 pmIAD - ICN

2 stops24h 05mKLM

mié. 7/910:25 pmICN - IAD

2 stops30h 55mKLM

Deal found 6/12

$1,779

One-way flights from Dulles Intl to South Korea
Search for one-way flight options from Dulles Intl to South Korea. Find affordable one-way fares based on user searches. Data last updated junio 12, 2025.

vie. 9/51:30 pmIAD - ICN

1 stop39h 10mTurkish Airlines

Deal found 6/11

$592

jue. 7/104:10 pmIAD - ICN

2 stops37h 35mMultiple Airlines

Deal found 6/11

$595

sáb. 8/99:45 amIAD - ICN

1 stop17h 30mAir Canada

Deal found 6/10

$605

mié. 7/238:10 amIAD - TAE

3 stops36h 15mMultiple Airlines

Deal found 6/11

$647

mar. 9/95:52 pmIAD - GMP

3 stops59h 03mMultiple Airlines

Deal found 6/10

$659

sáb. 9/66:09 pmIAD - ICN

2 stops36h 26mChina Airlines

Deal found 6/11

$677

mié. 8/276:09 pmIAD - GMP

2 stops29h 41mEVA Air

Deal found 6/12

$716

vie. 8/158:19 pmIAD - ICN

3 stops33h 41mAlaska Airlines

Deal found 6/10

$742

mar. 9/911:00 pmIAD - GMP

1 stop25h 05mAir China

Deal found 6/10

$842

lun. 6/306:43 pmIAD - ICN

2 stops28h 57mCathay Pacific

Deal found 6/11

$861

dom. 8/106:00 amIAD - ICN

3 stops23h 45mWestJet

Deal found 6/11

$862

lun. 6/3010:05 pmIAD - ICN

1 stop23h 40mEtihad Airways

Deal found 6/11

$909

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

lun. 9/1

9:40 pm-8:40 am

1 stop22h 00m

Incheon Intl

dom. 9/21

12:35 am-8:05 pm

2 stops32h 30m

$1,265

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

jue. 8/21

1:30 pm-8:40 am

1 stop30h 10m

Incheon Intl

dom. 8/31

11:20 pm-11:45 am

1 stop25h 25m

$1,316

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

mar. 7/22

9:35 am-4:15 pm

1 stop17h 40m

Incheon Intl

mar. 7/29

5:45 pm-4:10 pm

2 stops35h 25m

$1,318

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

sáb. 9/6

8:23 pm-11:15 am

2 stops25h 52m

Incheon Intl

mar. 9/16

12:35 pm-11:50 am

2 stops36h 15m

$1,349

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

lun. 7/21

10:20 am-10:05 pm

2 stops22h 45m

Seoul Gimpo Intl

lun. 8/11

2:25 pm-9:37 am

3 stops32h 12m

$1,362

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

mié. 7/9

6:45 pm-6:45 pm

1 stop35h 00m

Incheon Intl

jue. 7/17

8:45 pm-5:54 pm

1 stop34h 09m

$1,420

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

lun. 9/1

7:00 am-9:50 pm

2 stops25h 50m

Seoul Gimpo Intl

mié. 9/10

7:55 am-7:32 am

2 stops36h 37m

$1,453

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

sáb. 8/23

8:19 pm-3:30 pm

2 stops30h 11m

Incheon Intl

lun. 9/1

5:25 pm-9:53 am

2 stops29h 28m

$1,481

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

vie. 8/15

8:19 pm-7:00 pm

3 stops33h 41m

Incheon Intl

vie. 8/29

9:25 pm-4:47 pm

2 stops32h 22m

$1,501

Washington, D.C.Seoul

IAD - GMP

IADGMP

Washington, D.C. Dulles Intl

mar. 8/26

11:00 pm-1:05 pm

1 stop25h 05m

Seoul Gimpo Intl

mar. 9/2

8:35 am-7:30 pm

1 stop23h 55m

$1,578

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 40 results

Best time to book a flight from Dulles Intl to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to South Korea

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to South Korea (average of $1,000). Flying from Washington, D.C. Dulles Intl Airport to South Korea in December is currently the most expensive (average of $1,635). 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 IAD to KR?

When flying from Washington, D.C. Dulles Intl Airport to South Korea, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

The most flights from IAD to KR0 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 South Korea by month

In terms of precipitation, rainfall in South Korea ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit South Korea when rainfall is around 0.8 in.

Temperature in South Korea by month

If weather is an important factor for your trip to South Korea, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing South Korea

Read through reviews of airlines operating flights from Washington, D.C. to South Korea, such as EVA Air, Korean Air and Japan Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

EVA Air

8.4

Very good

1,202 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Korean Air

8.4

Very good

1,088 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Japan Airlines

8.3

Very good

1,490 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

China Airlines

8.3

Very good

738 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

ANA

8.3

Very good

882 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to South Korea one-way?
For one-way options, check prices for Turkish Airlines. According to our data, you can fly for as low as $592. Users have also found prices from $605 and $677 on Air Canada and China Airlines, respectively.
What are the most popular routes from Washington, D.C. Dulles Intl Airport to South Korea?
The most popular route from Washington, D.C. Dulles Intl Airport to South Korea is Washington, D.C. Dulles Intl - Incheon Intl. You may also consider Washington, D.C. Dulles Intl - Seoul Gimpo Intl or Washington, D.C. Dulles Intl - Ulsan.
What are the cheapest flights from Washington, D.C. Dulles Intl Airport to South Korea?
Looking at all options, your cheapest flight can be booked for $497. While the most popular route (Washington, D.C. Dulles Intl - Incheon Intl) can be booked for $942 on average our data indicates $4,266 when flying from Washington, D.C. Dulles Intl Airport to South Korea.
Can I find deals for flights from Dulles Intl to South Korea that include hotel bookings?
Yes. In addition to deals on Dulles Intl to South Korea flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to South Korea?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to South Korea.
Can I find deals for business class flights from Dulles Intl to South Korea?
Yes. Cheapflights offers flight deals from Dulles Intl to South Korea 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 Washington, D.C. Dulles Intl Airport to South Korea?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to South Korea (average of $1,000). Flying from Washington, D.C. Dulles Intl Airport to South Korea in December is currently the most expensive (average of $1,635). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Dulles Intl to South Korea

Dulles Intl to Haneda flights

Dulles Intl to Narita flights

Dulles Intl to Suvarnabhumi flights

Reagan-National to Narita flights

Reagan-National to Haneda flights

Baltimore to Haneda flights

Baltimore to Narita flights

Dulles Intl to Incheon Intl flights

Dulles Intl to Hyderabad flights

Reagan-National to Suvarnabhumi flights

Baltimore to Suvarnabhumi flights

Reagan-National to Hyderabad flights

Baltimore to Hyderabad flights

Dulles Intl to Ho Chi Minh City flights

Dulles Intl to Taiwan Taoyuan Intl flights

Dulles Intl to Manila flights

Dulles Intl to Mumbai flights

Reagan-National to New Delhi flights

Dulles Intl to New Delhi flights

Baltimore to New Delhi flights

Dulles Intl to Bangalore flights

Reagan-National to Manila flights

Baltimore to Taiwan Taoyuan Intl flights

Dulles Intl to Hongqiao Intl flights

Reagan-National to Taiwan Taoyuan Intl flights

Baltimore to Incheon Intl flights

Reagan-National to Incheon Intl flights

Dulles Intl to Denpasar flights

Baltimore to Manila flights

Reagan-National to Bangalore flights

Reagan-National to Ho Chi Minh City flights

Dulles Intl to Gimpo Intl flights

Baltimore to Bangalore flights

Reagan-National to Denpasar flights

Baltimore to Denpasar flights

Dulles Intl to Sung Shan flights

Dulles Intl to Ahmedabad flights

Baltimore to Ho Chi Minh City flights

Baltimore to Mumbai flights

Dulles Intl to Chennai flights

Dulles Intl to Kathmandu flights

Reagan-National to Mumbai flights

Dulles Intl to Lahore flights

Dulles Intl to Capital flights

Dulles Intl to Hong Kong flights

Reagan-National to Kathmandu flights

Reagan-National to Hongqiao Intl flights

Dulles Intl to Islamabad flights

Baltimore to Kathmandu flights

Dulles Intl to Pu Dong flights

Complete your trip

South Korea car rentals

Jeju-do car rentals

Incheon Intl Airport car rentals

Busan Gimhae Airport car rentals

Daegu Airport car rentals

Seoul Gimpo Intl Airport car rentals

Jeju City Airport car rentals

Gwangju Airport car rentals

Ulsan Airport car rentals

Jeju City car rentals

Seoul car rentals

Top 8 airlines flying from Dulles Intl to South Korea

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$367	Average$2,347	FlexibilityNo cancel fee	On-time69%
Air China	Cheapest$591	Average$747	FlexibilityNo cancel fee	On-time67%
Asiana Airlines	Cheapest$759	Average$1,597	FlexibilityNo cancel fee	On-time76%
Turkish Airlines	Cheapest$809	Average$1,040	FlexibilityNo cancel fee	On-time77%
Air Canada	Cheapest$865	Average$1,191	FlexibilityNo cancel fee	On-time67%
American Airlines	Cheapest$876	Average$1,257	FlexibilityNo cancel fee	On-time71%
Korean Air	Cheapest$1,548	Average$1,930	FlexibilityNo cancel fee	On-time81%
Delta	Cheapest$1,575	Average$2,092	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$592+ Cheap flights from Dulles Intl (IAD) to South Korea

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to South Korea with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Dulles Intl to South Korea

Keep the following information in mind while searching for Dulles Intl to South Korea flight deals. Data was last updated junio 12, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Dulles Intl to South Korea

Cheapest flights from Dulles Intl to South KoreaExplore the most affordable flight options available from Dulles Intl to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

Explore the most affordable flight options available from Dulles Intl to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Dulles Intl to South Korea

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

Cheapflights Insights

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

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

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

Find hourly flight availability from Dulles Intl to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

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

Rainfall in South Korea by month

Plan your trip to South Korea by taking into account the average rainfall totals by month.

Temperature in South Korea by month

Plan your trip to South Korea by taking into account the average temperature totals by month.

Reviews of airlines servicing South Korea

Read through reviews of airlines operating flights from Washington, D.C. to South Korea, such as EVA Air, Korean Air and Japan Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to South Korea. 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 to fly from Washington, D.C. Dulles Intl Airport to South Korea one-way?

What are the most popular routes from Washington, D.C. Dulles Intl Airport to South Korea?

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

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

How can I find direct flights from Dulles Intl to South Korea?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to South Korea

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Dulles Intl to South Korea

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Dulles Intl to South Korea
Explore the most affordable flight options available from Dulles Intl to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.