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.

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).

What are the most popular routes from South Korea to Washington, D.C. Reagan-National Airport?

The most popular flight routes from South Korea to Washington, D.C. Reagan-National Airport are Incheon Intl - Washington, D.C. Reagan-National, Seoul Gimpo Intl - Washington, D.C. Reagan-National and Busan Gimhae - Washington, D.C. Reagan-National.

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

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

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

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

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

Yes. Cheapflights offers flight deals from South Korea 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.

$425+ Flights from South Korea to Washington, D.C. Reagan-National Airport

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Cheap flight deals from South Korea to Reagan-National

Cheapest flights from South Korea to Reagan-National
Explore the most affordable flight options available from South Korea to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Mon 12/2912:45 pmICN - DCA

1 stop22h 58mUnited Airlines

Mon 1/55:59 pmDCA - ICN

1 stop32h 16mUnited Airlines

Deal found 12/27

$521

Mon 12/293:50 pmGMP - DCA

2 stops20h 45mMultiple Airlines

Mon 1/56:59 amDCA - GMP

2 stops25h 36mMultiple Airlines

Deal found 12/27

$2,329

Mon 12/2910:55 pmICN - DCA

3 stops24h 00mMultiple Airlines

Mon 1/54:10 pmDCA - ICN

2 stops33h 50mMultiple Airlines

Deal found 12/27

$2,539

Best flights from South Korea to Reagan-National
Discover carefully curated flight deals from South Korea to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

Fri 2/67:15 pmICN - DCA

1 stop17h 45mAmerican Airlines

Sun 2/87:31 pmDCA - ICN

2 stops31h 14mAmerican Airlines

Deal found 12/25

$478

Mon 2/28:35 pmICN - DCA

1 stop33h 34mHawaiian Airlines

Fri 2/208:00 amDCA - ICN

1 stop20h 35mHawaiian Airlines

Deal found 12/27

$579

Wed 2/1112:45 pmICN - DCA

1 stop18h 07mUnited Airlines

Mon 3/91:00 pmDCA - ICN

2 stops26h 40mUnited Airlines

Deal found 12/26

$617

Wed 2/117:15 pmICN - DCA

1 stop29h 39mAmerican Airlines

Mon 3/98:28 pmDCA - ICN

2 stops30h 27mAmerican Airlines

Deal found 12/28

$479

Tue 2/1012:45 pmICN - DCA

1 stop18h 07mUnited Airlines

Tue 2/177:00 amDCA - ICN

1 stop32h 40mUnited Airlines

Deal found 12/26

$618

Tue 4/712:05 pmGMP - DCA

2 stops23h 28mJapan Airlines

Wed 4/155:49 pmDCA - GMP

2 stops27h 56mJapan Airlines

Deal found 12/26

$1,249

Fri 3/66:00 pmICN - DCA

1 stop17h 45mUnited Airlines

Mon 3/91:00 pmDCA - ICN

2 stops26h 40mUnited Airlines

Deal found 12/27

$618

Tue 4/75:25 pmICN - DCA

1 stop28h 54mAmerican Airlines

Tue 4/146:30 amDCA - ICN

1 stop20h 00mAmerican Airlines

Deal found 12/26

$686

Thu 3/57:55 amPUS - DCA

2 stops28h 05mKorean Air

Mon 3/97:40 amDCA - PUS

2 stops24h 05mKorean Air

Deal found 12/25

$1,513

Fri 2/612:45 pmICN - DCA

2 stops23h 52mUnited Airlines

Sun 2/82:00 pmDCA - ICN

2 stops25h 40mUnited Airlines

Deal found 12/25

$652

Wed 2/118:00 amGMP - DCA

2 stops23h 08mMultiple Airlines

Mon 3/98:30 amDCA - GMP

2 stops24h 35mMultiple Airlines

Deal found 12/28

$1,592

Mon 2/97:15 pmICN - DCA

1 stop29h 33mAmerican Airlines

Mon 2/166:30 amDCA - ICN

1 stop20h 15mAmerican Airlines

Deal found 12/26

$725

Fri 3/68:00 amGMP - DCA

2 stops45h 59mJapan Airlines

Mon 3/95:00 pmDCA - GMP

2 stops52h 55mJapan Airlines

Deal found 12/25

$1,311

Mon 2/98:00 amGMP - DCA

2 stops23h 08mJapan Airlines

Mon 2/165:32 pmDCA - GMP

2 stops27h 23mJapan Airlines

Deal found 12/26

$1,314

Wed 2/188:00 amGMP - DCA

2 stops20h 54mJapan Airlines

Thu 5/149:30 amDCA - GMP

2 stops23h 20mJapan Airlines

Deal found 12/26

$1,417

Fri 2/208:00 amGMP - DCA

2 stops20h 54mJapan Airlines

Fri 5/157:55 amDCA - GMP

2 stops24h 55mJapan Airlines

Deal found 12/26

$1,425

Sun 3/18:00 amGMP - DCA

2 stops22h 57mJapan Airlines

Sat 3/146:06 amDCA - GMP

2 stops26h 59mJapan Airlines

Deal found 12/26

$1,514

Sun 1/2512:05 pmGMP - DCA

2 stops23h 58mJapan Airlines

Sun 2/16:10 amDCA - GMP

2 stops22h 10mJapan Airlines

Deal found 12/26

$1,548

Wed 2/118:00 amGMP - DCA

2 stops23h 08mJapan Airlines

Mon 3/98:30 amDCA - GMP

2 stops24h 35mJapan Airlines

Deal found 12/27

$1,592

Sun 1/118:00 amGMP - DCA

2 stops26h 44mJapan Airlines

Fri 1/166:59 amDCA - GMP

2 stops37h 56mJapan Airlines

Deal found 12/26

$1,639

Last-minute flights from South Korea to Reagan-National
Discover last-minute flight deals from South Korea to Reagan-National. Data last updated December 28, 2025 and is based on user searches.

Mon 12/2912:45 pmICN - DCA

1 stop22h 58mUnited Airlines

Mon 1/55:59 pmDCA - ICN

1 stop32h 16mUnited Airlines

Deal found 12/27

$521

Mon 12/293:50 pmGMP - DCA

2 stops20h 45mMultiple Airlines

Mon 1/56:59 amDCA - GMP

2 stops25h 36mMultiple Airlines

Deal found 12/27

$2,329

Sun 1/412:00 pmPUS - DCA

2 stops24h 35mMultiple Airlines

Wed 4/16:59 amDCA - PUS

2 stops24h 46mMultiple Airlines

Deal found 12/26

$4,186

Sun 1/118:00 amGMP - DCA

2 stops26h 44mJapan Airlines

Fri 1/166:59 amDCA - GMP

2 stops37h 56mJapan Airlines

Deal found 12/26

$1,639

Sun 1/188:00 amGMP - DCA

2 stops23h 08mJapan Airlines

Sun 4/269:59 pmDCA - GMP

2 stops23h 46mJapan Airlines

Deal found 12/27

$4,794

Tue 1/2012:45 pmICN - DCA

1 stop18h 07mUnited Airlines

Sat 1/2411:00 amDCA - ICN

2 stops28h 40mUnited Airlines

Deal found 12/25

$979

Sun 1/258:35 pmICN - DCA

2 stops37h 25mMultiple Airlines

Sun 2/18:00 amDCA - ICN

1 stop20h 35mMultiple Airlines

Deal found 12/26

$905

Sun 1/257:15 pmICN - DCA

1 stop29h 33mAmerican Airlines

Sun 2/15:08 pmDCA - ICN

1 stop33h 37mAmerican Airlines

Deal found 12/26

$1,028

Sun 1/2512:05 pmGMP - DCA

2 stops23h 58mJapan Airlines

Sun 2/16:10 amDCA - GMP

2 stops22h 10mJapan Airlines

Deal found 12/26

$1,548

Mon 1/268:35 pmICN - DCA

2 stops61h 25mMultiple Airlines

Mon 2/28:59 amDCA - ICN

2 stops67h 36mMultiple Airlines

Deal found 12/27

$935

Mon 1/266:00 pmICN - DCA

1 stop17h 52mUnited Airlines

Mon 2/22:00 pmDCA - ICN

2 stops25h 40mUnited Airlines

Deal found 12/27

$946

Wed 1/2812:45 pmICN - DCA

1 stop18h 07mUnited Airlines

Wed 4/811:55 amDCA - ICN

2 stops27h 25mUnited Airlines

Deal found 12/26

$944

One-way flights from South Korea to Reagan-National
Search for one-way flight options from South Korea to Reagan-National. Find affordable one-way fares based on user searches. Data last updated December 28, 2025.

Fri 1/306:55 pmICN - DCA

2 stops36h 04mMultiple Airlines

Deal found 12/26

$425

Mon 2/166:55 pmICN - DCA

2 stops56h 20mMultiple Airlines

Deal found 12/26

$430

Wed 4/86:20 pmICN - DCA

2 stops30h 45mMultiple Airlines

Deal found 12/26

$458

Wed 3/186:55 pmICN - DCA

2 stops31h 07mMultiple Airlines

Deal found 12/27

$473

Sun 3/296:20 pmICN - DCA

2 stops54h 44mMultiple Airlines

Deal found 12/27

$508

Wed 2/255:55 pmICN - DCA

2 stops32h 24mAir Canada

Deal found 12/28

$563

Fri 2/205:55 pmICN - DCA

2 stops30h 26mAir Canada

Deal found 12/27

$565

Wed 3/188:00 pmGMP - DCA

3 stops37h 00mMultiple Airlines

Deal found 12/27

$641

Fri 5/157:55 amGMP - DCA

2 stops20h 59mJapan Airlines

Deal found 12/26

$717

Tue 2/178:00 amGMP - DCA

2 stops22h 52mJapan Airlines

Deal found 12/26

$726

Wed 3/188:15 pmGMP - DCA

2 stops36h 45mEVA Air

Deal found 12/27

$742

Sun 3/297:55 amGMP - DCA

2 stops21h 42mMultiple Airlines

Deal found 12/27

$743

Find flight deals from South Korea to Reagan-National

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$477 (American Airlines)
One-way from	$425 (Kiwi.com)
Popular in	August
Cheapest in	November
Average price	$933

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

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From South Korea to Washington, D.C. Reagan-National

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One-way flight from South Korea to Washington, D.C. Reagan-National

Search Deals

Highest demand for flights based on searches. 23% potential increase in price ($304 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease ($75 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from South Korea 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

Fri 2/6

7:15 pm-11:00 pm

1 stop17h 45m

Washington, D.C. Reagan-National

Sun 2/8

7:31 pm-4:45 pm

2 stops31h 14m

$478

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 2/11

7:15 pm-10:54 am

1 stop29h 39m

Washington, D.C. Reagan-National

Mon 3/9

8:28 pm-3:55 pm

2 stops30h 27m

$479

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Mon 2/2

8:35 pm-4:09 pm

1 stop33h 34m

Washington, D.C. Reagan-National

Fri 2/20

8:00 am-6:35 pm

1 stop20h 35m

$579

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 2/11

12:45 pm-4:52 pm

1 stop18h 07m

Washington, D.C. Reagan-National

Mon 3/9

1:00 pm-4:40 am

2 stops26h 40m

$617

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Tue 2/10

12:45 pm-4:52 pm

1 stop18h 07m

Washington, D.C. Reagan-National

Tue 2/17

7:00 am-5:40 am

1 stop32h 40m

$618

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 3/6

6:00 pm-9:45 pm

1 stop17h 45m

Washington, D.C. Reagan-National

Mon 3/9

1:00 pm-4:40 am

2 stops26h 40m

$618

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 2/6

12:45 pm-10:37 pm

2 stops23h 52m

Washington, D.C. Reagan-National

Sun 2/8

2:00 pm-5:40 am

2 stops25h 40m

$652

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Tue 4/7

5:25 pm-9:19 am

1 stop28h 54m

Washington, D.C. Reagan-National

Tue 4/14

6:30 am-3:30 pm

1 stop20h 00m

$686

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Mon 2/9

7:15 pm-10:48 am

1 stop29h 33m

Washington, D.C. Reagan-National

Mon 2/16

6:30 am-4:45 pm

1 stop20h 15m

$725

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Tue 4/7

12:05 pm-10:33 pm

2 stops23h 28m

Washington, D.C. Reagan-National

Wed 4/15

5:49 pm-10:45 am

2 stops27h 56m

$1,249

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 44 results

...

Best time to book a flight from South Korea to Reagan-National

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

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

It’s typically best to fly out from South Korea to Washington, D.C. Reagan-National Airport in the afternoon. Doing so could potentially save you 14% on the flight price compared to flying in the evening, which is usually more expensive.

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

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

Reviews of airlines servicing Reagan-National

Peruse reviews from past customers who have flown with Air Canada from South Korea to Washington, D.C. Reagan-National Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air Canada

7.1

Good

10,562 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍

Air Canada

7.1

Good

10,562 reviews

Air Canada

7.1

Good

10,562 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍

Related info for your journey

How long is the flight from South Korea to Washington, D.C. Reagan-National Airport?
There are many flights that can get you from South Korea to Washington, D.C. Reagan-National Airport in 17h 45m. Fly via American Airlines, Hawaiian Airlines, or United Airlines to get the fastest option. Airlines will cover a distance of 6953 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the most popular routes from South Korea to Washington, D.C. Reagan-National Airport?
The most popular flight routes from South Korea to Washington, D.C. Reagan-National Airport are Incheon Intl - Washington, D.C. Reagan-National, Seoul Gimpo Intl - Washington, D.C. Reagan-National and Busan Gimhae - Washington, D.C. Reagan-National.
Can I find deals for flights from South Korea to Reagan-National that include hotel bookings?
Yes. In addition to deals on South Korea to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from South Korea to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Korea to Reagan-National.
Can I find deals for business class flights from South Korea to Reagan-National?
Yes. Cheapflights offers flight deals from South Korea 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.

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Woodbridge

Tysons

Arlington

Owings Mills

Springfield

Hanover

Silver Spring

Fredericksburg

Linthicum Heights

Rockville

Laurel

Towson

Manassas

National Harbor

Bowie

Largo

McLean

Clinton

Cordova

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Top airline flying from South Korea to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$688	Average$994	FlexibilityNo cancel fee	On-time67%

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$425+ Cheap flights from South Korea 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from South Korea to Reagan-National with Cheapflights

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Cheap flight deals from South Korea to Reagan-National

Cheapest flights from South Korea to Reagan-NationalExplore the most affordable flight options available from South Korea to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Explore the most affordable flight options available from South Korea to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

Find flight deals from South Korea to Reagan-National

Keep the following information in mind while searching for South Korea to Reagan-National flight deals. Data was last updated December 28, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from South Korea to Reagan-National

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

Cheapflights Insights

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

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

Find hourly flight availability from South Korea to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 28, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from South Korea to Reagan-National. Price data was last updated on March 30, 2025.

Reviews of airlines servicing Reagan-National

Peruse reviews from past customers who have flown with Air Canada from South Korea to Washington, D.C. Reagan-National Airport to help guide your decision. You can also see how each airline stacks up 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 South Korea to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from South Korea to Washington, D.C. Reagan-National Airport?

What are the most popular routes from South Korea to Washington, D.C. Reagan-National Airport?

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

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

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

Traveling to a place near Washington, D.C. Reagan-National Airport?

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Alternative routes for South Korea to Reagan-National

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Top airline flying from South Korea to Reagan-National

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Cheapest flights from South Korea to Reagan-National
Explore the most affordable flight options available from South Korea to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.