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

Our cheapest airline available from Seoul to Washington, D.C. Reagan-National Airport is Air Canada. Our recent data shows that you can find tickets from as low as $855 on this airline. Additional options worth looking into are Alaska Airlines and ANA, starting at $1,053 and $1,096 round-trip.

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

The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $611. However, be on the lookout for offers from EVA Air and Japan Airlines, as they are both options that can get you from Seoul to Washington, D.C. Reagan-National Airport for a low price.

What is the cheapest day to fly from Seoul to Washington, D.C. Reagan-National Airport?

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

How far in advance should I book a flight from Seoul to Washington, D.C. Reagan-National Airport?

Travelers have found it’s best to book a flight 42 days in advance to save up to 113% 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 42 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. Reagan-National Airport 1-2 weeks in advance for as low as $827, or $2,963 for flights within the next 24 hours.

What is the cheapest month to fly from Seoul to Washington, D.C. Reagan-National Airport?

Flights from Seoul to Washington, D.C. Reagan-National Airport lean towards being more expensive in August. Prices are generally better when you fly from Seoul to Washington, D.C. Reagan-National Airport in February, with the cheapest ticket starting at $748.

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

When flying from Seoul to Washington, D.C. Reagan-National Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Seoul to Reagan-National that include hotel bookings?

Yes. In addition to deals on Seoul to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Seoul to Reagan-National?

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

Can I find deals for business class flights from Seoul to Reagan-National?

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

$548+ Flights from Seoul to Washington, D.C. Reagan-National Airport

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Cheap flight deals from Seoul to Reagan-National

Round-trip from	$855 (WhyPayMore)
One-way from	$548 (Kiwi.com)
Popular in	August
Cheapest in	February
Average price	$1,208

From Seoul (SEL) to Washington, D.C. Reagan-National

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One-way flight from Seoul (SEL) to Washington, D.C. Reagan-National

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Highest demand for flights based on searches. 15% potential increase in price ($203 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($55 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from Seoul to Reagan-National

Cheapest flights from Seoul to Reagan-National
Explore the most affordable flight options available from Seoul to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Wed 9/175:45 pmICN - DCA

2 stops28h 14mAir Canada

Wed 10/224:35 pmDCA - ICN

2 stops34h 30mAir Canada

Deal found 6/12

$855

Thu 12/2510:35 amICN - DCA

2 stops24h 25mMultiple Airlines

Tue 12/306:00 amDCA - ICN

2 stops45h 05mMultiple Airlines

Deal found 6/11

$964

Sat 9/138:35 pmICN - DCA

1 stop34h 24mAlaska Airlines

Tue 12/96:35 pmDCA - ICN

2 stops34h 00mAlaska Airlines

Deal found 6/10

$1,053

Fri 12/196:00 pmICN - DCA

1 stop17h 13mUnited Airlines

Sun 1/46:00 pmDCA - ICN

1 stop32h 15mUnited Airlines

Deal found 6/11

$1,068

Tue 10/217:55 pmGMP - DCA

2 stops32h 56mANA

Wed 10/298:30 amDCA - GMP

2 stops25h 00mANA

Deal found 6/11

$1,096

Tue 10/2812:05 pmGMP - DCA

2 stops23h 50mJapan Airlines

Fri 11/76:42 amDCA - GMP

2 stops25h 38mJapan Airlines

Deal found 6/11

$1,242

Wed 9/177:55 amGMP - DCA

2 stops19h 29mMultiple Airlines

Wed 10/228:45 amDCA - GMP

2 stops24h 05mMultiple Airlines

Deal found 6/12

$1,247

Best flights from Seoul to Reagan-National
Discover carefully curated flight deals from Seoul to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Wed 9/175:45 pmICN - DCA

2 stops28h 14mAir Canada

Wed 10/224:35 pmDCA - ICN

2 stops34h 30mAir Canada

Deal found 6/12

$855

Sat 9/138:35 pmICN - DCA

1 stop34h 24mAlaska Airlines

Tue 12/96:35 pmDCA - ICN

2 stops34h 00mAlaska Airlines

Deal found 6/10

$1,053

Fri 7/2510:35 amICN - DCA

2 stops24h 13mMultiple Airlines

Fri 8/111:00 amDCA - ICN

1 stop17h 30mMultiple Airlines

Deal found 6/10

$1,056

Tue 10/217:55 pmGMP - DCA

2 stops32h 56mANA

Wed 10/298:30 amDCA - GMP

2 stops25h 00mANA

Deal found 6/11

$1,096

Thu 8/214:50 pmICN - DCA

1 stop37h 04mUnited Airlines

Mon 1/56:00 pmDCA - ICN

1 stop21h 40mUnited Airlines

Deal found 6/12

$1,209

Tue 10/2812:05 pmGMP - DCA

2 stops23h 50mJapan Airlines

Fri 11/76:42 amDCA - GMP

2 stops25h 38mJapan Airlines

Deal found 6/11

$1,242

Wed 9/177:55 amGMP - DCA

2 stops19h 29mMultiple Airlines

Wed 10/228:45 amDCA - GMP

2 stops24h 05mMultiple Airlines

Deal found 6/12

$1,247

Last-minute flights from Seoul to Reagan-National
Discover last-minute flight deals from Seoul to Reagan-National. Data last updated June 12, 2025 and is based on user searches.

Fri 6/137:55 amGMP - DCA

2 stops28h 12mJapan Airlines

Mon 6/167:00 pmDCA - GMP

2 stops26h 45mJapan Airlines

Deal found 6/10

$1,372

Tue 6/171:20 amICN - DCA

2 stops31h 05mQatar Airways

Wed 8/205:30 pmDCA - ICN

2 stops28h 00mQatar Airways

Deal found 6/12

$2,159

Wed 6/186:00 pmICN - DCA

1 stop16h 48mAir Canada

Wed 8/2011:00 amDCA - ICN

1 stop17h 30mAir Canada

Deal found 6/12

$1,431

Wed 6/188:15 amICN - DCA

2 stops51h 44mLOT

Wed 8/206:30 amDCA - ICN

2 stops34h 55mLOT

Deal found 6/12

$1,634

Thu 6/1911:30 amICN - DCA

1 stop18h 27mUnited Airlines

Thu 8/145:00 pmDCA - ICN

2 stops22h 20mUnited Airlines

Deal found 6/11

$1,209

Thu 6/196:40 pmICN - DCA

1 stop16h 20mKorean Air

Sun 6/229:39 amDCA - ICN

1 stop17h 46mKorean Air

Deal found 6/11

$1,682

Thu 6/198:40 amGMP - DCA

2 stops26h 47mMultiple Airlines

Sun 6/226:59 amDCA - GMP

2 stops26h 26mMultiple Airlines

Deal found 6/11

$2,986

Sun 6/226:20 pmICN - DCA

2 stops39h 39mMultiple Airlines

Wed 6/259:59 amDCA - ICN

1 stop29h 51mMultiple Airlines

Deal found 6/11

$1,512

Sun 6/2212:05 pmGMP - DCA

2 stops24h 02mJapan Airlines

Wed 6/2510:20 amDCA - GMP

2 stops22h 30mJapan Airlines

Deal found 6/11

$1,537

Sun 6/229:25 pmICN - DCA

2 stops33h 33mAlaska Airlines

Wed 6/256:58 pmDCA - ICN

3 stops35h 02mAlaska Airlines

Deal found 6/11

$7,426

Tue 6/2411:30 amICN - DCA

1 stop22h 42mUnited Airlines

Fri 7/117:00 amDCA - ICN

1 stop19h 00mUnited Airlines

Deal found 6/12

$1,209

Sat 6/288:30 amICN - DCA

2 stops27h 27mAir France

Sat 9/1312:59 pmDCA - ICN

2 stops28h 31mAir France

Deal found 6/11

$1,410

One-way flights from Seoul to Reagan-National
Search for one-way flight options from Seoul to Reagan-National. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Wed 9/1712:45 pmICN - DCA

1 stop21h 14mMultiple Airlines

Deal found 6/11

$548

Fri 10/315:50 pmICN - DCA

2 stops34h 29mAir Canada

Deal found 6/11

$611

Thu 7/102:00 pmGMP - DCA

3 stops44h 42mMultiple Airlines

Deal found 6/10

$681

Sun 11/211:40 amICN - DCA

2 stops46h 20mEVA Air

Deal found 6/12

$691

Wed 9/177:55 amGMP - DCA

2 stops19h 29mJapan Airlines

Deal found 6/11

$740

Wed 8/208:20 pmGMP - DCA

2 stops37h 39mEVA Air

Deal found 6/12

$781

Fri 7/48:45 pmICN - DCA

3 stops28h 55mWestJet

Deal found 6/11

$844

Wed 6/1810:10 amICN - DCA

2 stops24h 50mJapan Airlines

Deal found 6/12

$862

Thu 8/219:00 amICN - DCA

2 stops48h 59mSingapore Airlines

Deal found 6/10

$883

Fri 8/19:25 pmICN - DCA

2 stops36h 34mAlaska Airlines

Deal found 6/11

$967

Thu 8/148:30 amICN - DCA

2 stops27h 29mAir France

Deal found 6/11

$1,160

Tue 10/711:30 amICN - DCA

3 stops48h 13mUnited Airlines

Deal found 6/12

$1,168

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 9/17

5:45 pm-8:59 am

2 stops28h 14m

Washington, D.C. Reagan-National

Wed 10/22

4:35 pm-4:05 pm

2 stops34h 30m

$855

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Sat 9/13

8:35 pm-5:59 pm

1 stop34h 24m

Washington, D.C. Reagan-National

Tue 12/9

6:35 pm-6:35 pm

2 stops34h 00m

$1,053

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 7/25

10:35 am-9:48 pm

2 stops24h 13m

Washington, D.C. Reagan-National

Fri 8/1

11:00 am-5:30 pm

1 stop17h 30m

$1,056

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Tue 10/21

7:55 pm-3:51 pm

2 stops32h 56m

Washington, D.C. Reagan-National

Wed 10/29

8:30 am-10:30 pm

2 stops25h 00m

$1,096

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 8/21

4:50 pm-4:54 pm

1 stop37h 04m

Washington, D.C. Reagan-National

Mon 1/5

6:00 pm-5:40 am

1 stop21h 40m

$1,209

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Tue 10/28

12:05 pm-10:55 pm

2 stops23h 50m

Washington, D.C. Reagan-National

Fri 11/7

6:42 am-10:20 pm

2 stops25h 38m

$1,242

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Wed 9/17

7:55 am-2:24 pm

2 stops19h 29m

Washington, D.C. Reagan-National

Wed 10/22

8:45 am-9:50 pm

2 stops24h 05m

$1,247

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 9/17

12:45 pm-8:59 pm

1 stop21h 14m

$548

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 10/31

5:50 pm-3:19 pm

2 stops34h 29m

$611

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Thu 7/10

2:00 pm-9:42 pm

3 stops44h 42m

$681

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 19 results

Best time to book a flight from Seoul to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National 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. Reagan-National Airport

What is the cheapest month to book a flight from Seoul to Washington, D.C. Reagan-National Airport?

Currently, February is the cheapest month in which you can book a flight from Seoul to Washington, D.C. Reagan-National Airport (average of $278). Flying from Seoul to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $337). 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.

Rainfall in Reagan-National by month

In terms of precipitation, rainfall in Washington, D.C. Reagan-National 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. Reagan-National Airport when rainfall is around 2.6 in.

Temperature in Reagan-National by month

If weather is an important factor for your trip to Washington, D.C. Reagan-National 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 Reagan-National

Get a feel of what it's like to fly with EVA Air, Japan Airlines and ANA from Seoul to Washington, D.C. by reading reviews from past customers. 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

Japan Airlines

8.3

Very good

1,489 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

Singapore Airlines

8.1

Very good

1,302 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

Alaska Airlines

8.0

Very good

10,000 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 flying from Seoul to Washington, D.C. Reagan-National Airport round-trip?
Our cheapest airline available from Seoul to Washington, D.C. Reagan-National Airport is Air Canada. Our recent data shows that you can find tickets from as low as $855 on this airline. Additional options worth looking into are Alaska Airlines and ANA, starting at $1,053 and $1,096 round-trip.
What are the cheapest airlines to fly from Seoul to Washington, D.C. Reagan-National Airport one-way?
The cheapest airline one-way is Air Canada, with whom users have recently found tickets for as low as $611. However, be on the lookout for offers from EVA Air and Japan Airlines, as they are both options that can get you from Seoul to Washington, D.C. Reagan-National Airport for a low price.
Can I find deals for flights from Seoul to Reagan-National that include hotel bookings?
Yes. In addition to deals on Seoul to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seoul to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seoul to Reagan-National.
Can I find deals for business class flights from Seoul to Reagan-National?
Yes. Cheapflights offers flight deals from Seoul to Reagan-National 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. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from Seoul to Washington, D.C. Reagan-National Airport (average of $278). Flying from Seoul to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $337). 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

Arlington

Alexandria

Woodbridge

Tysons

Silver Spring

Linthicum Heights

Fredericksburg

Gaithersburg

Fairfax

Falls Church

Easton

Herndon

Towson

Bowie

Rockville

Reston

National Harbor

Springfield

Manassas

Dundalk

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Seoul to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$688	Average$994	FlexibilityNo cancel fee	On-time67%
American Airlines	Cheapest$694	Average$700	FlexibilityNo cancel fee	On-time71%

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$548+ Cheap flights from Seoul (SEL) to Reagan-National (DCA)

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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seoul to Reagan-National 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 Reagan-National

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Seoul to Reagan-National

Cheapest flights from Seoul to Reagan-NationalExplore the most affordable flight options available from Seoul to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from Seoul to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Seoul to Reagan-National

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

Cheapflights Insights

Everything you need to know about your flight from Seoul to Washington, D.C. Reagan-National Airport

What is the cheapest month to book a flight from Seoul to Washington, D.C. Reagan-National Airport?

Rainfall in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average rainfall totals by month.

Temperature in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average temperature totals by month.

Reviews of airlines servicing Reagan-National

Get a feel of what it's like to fly with EVA Air, Japan Airlines and ANA from Seoul to Washington, D.C. by reading reviews from past customers. 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 Seoul to Reagan-National. 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. Reagan-National Airport round-trip?

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

Can I find deals for flights from Seoul to Reagan-National that include hotel bookings?

How can I find direct flights from Seoul to Reagan-National?

Can I find deals for business class flights from Seoul to Reagan-National?

What is the cheapest month to book a flight from Seoul to Washington, D.C. Reagan-National Airport?

Traveling to a place near Seoul?

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Alternative routes for Seoul to Reagan-National

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Top 2 airlines flying from Seoul to Reagan-National

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Cheapest flights from Seoul to Reagan-National
Explore the most affordable flight options available from Seoul to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.