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.

$383+ 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 18, 2025.

Wed 12/247:15 pmICN - DCA

2 stops27h 30mAmerican Airlines

Mon 2/166:35 pmDCA - ICN

1 stop32h 10mAmerican Airlines

Deal found 12/17

$490

Wed 12/2412:45 pmICN - DCA

1 stop22h 58mUnited Airlines

Mon 2/235:50 pmDCA - ICN

1 stop32h 25mUnited Airlines

Deal found 12/17

$538

Fri 12/2612:45 pmICN - DCA

1 stop18h 12mUnited Airlines

Thu 2/57:00 amDCA - ICN

1 stop32h 40mUnited Airlines

Deal found 12/16

$637

Wed 12/247:15 pmICN - DCA

2 stops28h 04mAmerican Airlines

Mon 2/236:30 amDCA - ICN

1 stop20h 15mAmerican Airlines

Deal found 12/16

$687

Thu 12/257:15 pmICN - DCA

2 stops52h 55mAmerican Airlines

Sat 1/37:43 amDCA - ICN

1 stop43h 02mAmerican Airlines

Deal found 12/17

$699

Wed 12/247:15 pmICN - DCA

2 stops54h 03mAmerican Airlines

Sat 1/34:59 pmDCA - ICN

2 stops33h 46mAmerican Airlines

Deal found 12/16

$701

Tue 12/2312:45 pmICN - DCA

1 stop22h 58mUnited Airlines

Tue 1/67:00 amDCA - ICN

1 stop32h 40mUnited Airlines

Deal found 12/18

$714

Fri 12/198:00 amGMP - DCA

2 stops22h 01mMultiple Airlines

Thu 1/13:25 pmDCA - GMP

2 stops29h 30mMultiple Airlines

Deal found 12/15

$1,465

Fri 12/198:00 amGMP - DCA

2 stops22h 01mJapan Airlines

Fri 1/26:00 amDCA - GMP

2 stops26h 05mJapan Airlines

Deal found 12/15

$1,540

Tue 12/238:00 amGMP - DCA

2 stops22h 20mMultiple Airlines

Tue 1/66:30 amDCA - GMP

2 stops25h 35mMultiple Airlines

Deal found 12/16

$1,541

Tue 12/238:00 amGMP - DCA

2 stops19h 53mJapan Airlines

Tue 1/66:30 amDCA - GMP

2 stops25h 35mJapan Airlines

Deal found 12/15

$1,574

Tue 12/238:00 amGMP - DCA

2 stops23h 22mJapan Airlines

Fri 1/26:00 amDCA - GMP

2 stops26h 05mJapan Airlines

Deal found 12/15

$1,587

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 18, 2025.

Fri 2/67:15 pmICN - DCA

2 stops29h 35mAmerican Airlines

Sun 2/86:30 amDCA - ICN

1 stop20h 15mAmerican Airlines

Deal found 12/17

$469

Wed 2/1112:45 pmICN - DCA

1 stop18h 07mUnited Airlines

Mon 3/95:55 pmDCA - ICN

1 stop21h 45mUnited Airlines

Deal found 12/18

$605

Thu 1/297:50 pmGMP - DCA

2 stops31h 23mANA

Sat 1/316:30 amDCA - GMP

2 stops38h 50mANA

Deal found 12/16

$1,098

Thu 3/56:00 pmICN - DCA

1 stop17h 45mUnited Airlines

Mon 3/912:32 pmDCA - ICN

2 stops27h 08mUnited Airlines

Deal found 12/16

$606

Wed 4/17:55 amGMP - DCA

2 stops19h 46mJapan Airlines

Sun 4/55:00 pmDCA - GMP

2 stops39h 50mJapan Airlines

Deal found 12/16

$1,220

Wed 2/118:00 amGMP - DCA

2 stops22h 38mMultiple Airlines

Mon 3/97:30 amDCA - GMP

2 stops25h 35mMultiple Airlines

Deal found 12/16

$1,272

Thu 2/1912:45 pmICN - DCA

1 stop17h 58mUnited Airlines

Tue 3/244:11 pmDCA - ICN

2 stops23h 29mUnited Airlines

Deal found 12/16

$608

Fri 4/1711:30 amICN - DCA

1 stop23h 23mUnited Airlines

Tue 4/281:00 pmDCA - ICN

2 stops26h 20mUnited Airlines

Deal found 12/15

$608

Fri 2/610:25 amPUS - DCA

2 stops25h 35mKorean Air

Sun 2/86:05 amDCA - PUS

2 stops23h 30mKorean Air

Deal found 12/17

$1,482

Wed 2/118:00 amGMP - DCA

2 stops20h 57mJapan Airlines

Mon 3/97:30 amDCA - GMP

2 stops25h 35mJapan Airlines

Deal found 12/17

$1,268

Thu 1/298:00 amGMP - DCA

2 stops20h 57mMultiple Airlines

Wed 2/116:30 amDCA - GMP

2 stops25h 35mMultiple Airlines

Deal found 12/17

$1,345

Wed 2/187:50 pmGMP - DCA

2 stops30h 09mANA

Tue 3/248:20 amDCA - GMP

2 stops25h 10mANA

Deal found 12/16

$1,464

Mon 2/28:00 amGMP - DCA

2 stops23h 08mJapan Airlines

Sat 2/286:02 amDCA - GMP

2 stops26h 03mJapan Airlines

Deal found 12/15

$1,349

Thu 2/194:10 pmPUS - DCA

2 stops19h 50mKorean Air

Mon 2/237:35 amDCA - PUS

2 stops23h 10mKorean Air

Deal found 12/15

$1,489

Thu 1/298:00 amGMP - DCA

2 stops28h 03mJapan Airlines

Thu 2/56:10 amDCA - GMP

2 stops25h 55mJapan Airlines

Deal found 12/14

$1,362

Sun 3/227:40 pmGMP - DCA

2 stops39h 16mJapan Airlines

Sun 4/126:35 amDCA - GMP

2 stops39h 10mJapan Airlines

Deal found 12/17

$1,409

Sun 3/227:40 pmGMP - DCA

2 stops39h 16mJapan Airlines

Sat 4/115:49 pmDCA - GMP

2 stops39h 01mJapan Airlines

Deal found 12/17

$1,460

Last-minute flights from South Korea to Reagan-National
Discover last-minute flight deals from South Korea to Reagan-National. Data last updated December 18, 2025 and is based on user searches.

Wed 12/247:15 pmICN - DCA

2 stops27h 30mAmerican Airlines

Mon 2/166:35 pmDCA - ICN

1 stop32h 10mAmerican Airlines

Deal found 12/17

$490

Wed 12/2412:45 pmICN - DCA

1 stop22h 58mUnited Airlines

Mon 2/235:50 pmDCA - ICN

1 stop32h 25mUnited Airlines

Deal found 12/17

$538

Wed 12/247:15 pmICN - DCA

2 stops28h 04mAmerican Airlines

Mon 2/236:30 amDCA - ICN

1 stop20h 15mAmerican Airlines

Deal found 12/16

$687

Fri 12/2612:45 pmICN - DCA

1 stop18h 12mUnited Airlines

Thu 2/57:00 amDCA - ICN

1 stop32h 40mUnited Airlines

Deal found 12/16

$637

Wed 1/147:50 pmGMP - DCA

2 stops30h 08mANA

Sun 1/182:00 pmDCA - GMP

2 stops31h 20mANA

Deal found 12/16

$1,438

Thu 1/298:35 pmICN - DCA

1 stop33h 34mHawaiian Airlines

Sat 1/318:00 amDCA - ICN

1 stop20h 35mHawaiian Airlines

Deal found 12/16

$543

Thu 1/298:35 pmICN - DCA

1 stop33h 34mHawaiian Airlines

Wed 2/118:00 amDCA - ICN

1 stop20h 35mHawaiian Airlines

Deal found 12/17

$557

Thu 1/2912:45 pmICN - DCA

1 stop18h 07mUnited Airlines

Sat 1/318:25 amDCA - ICN

2 stops31h 15mUnited Airlines

Deal found 12/16

$642

Thu 1/297:50 pmGMP - DCA

2 stops31h 23mANA

Sat 1/316:30 amDCA - GMP

2 stops38h 50mANA

Deal found 12/16

$1,098

Thu 1/298:00 amGMP - DCA

2 stops20h 57mMultiple Airlines

Wed 2/116:30 amDCA - GMP

2 stops25h 35mMultiple Airlines

Deal found 12/17

$1,345

Thu 1/298:00 amGMP - DCA

2 stops28h 03mJapan Airlines

Thu 2/56:10 amDCA - GMP

2 stops25h 55mJapan Airlines

Deal found 12/14

$1,362

Fri 1/3012:45 pmICN - DCA

1 stop18h 07mUnited Airlines

Thu 2/267:59 pmDCA - ICN

2 stops30h 16mUnited Airlines

Deal found 12/16

$608

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 18, 2025.

Mon 1/266:55 pmICN - DCA

2 stops56h 07mMultiple Airlines

Deal found 12/16

$383

Mon 2/236:55 pmICN - DCA

2 stops56h 20mMultiple Airlines

Deal found 12/17

$394

Wed 2/186:55 pmICN - DCA

2 stops41h 04mMultiple Airlines

Deal found 12/16

$405

Sun 2/89:20 pmICN - DCA

3 stops53h 55mMultiple Airlines

Deal found 12/17

$408

Wed 2/256:55 pmICN - DCA

2 stops36h 04mMultiple Airlines

Deal found 12/17

$423

Sun 1/259:20 pmICN - DCA

3 stops57h 39mMultiple Airlines

Deal found 12/16

$442

Tue 2/39:10 pmPUS - DCA

3 stops56h 59mMultiple Airlines

Deal found 12/16

$587

Fri 6/51:50 pmGMP - DCA

2 stops43h 10mEVA Air

Deal found 12/16

$731

Thu 4/167:55 amGMP - DCA

2 stops18h 57mJapan Airlines

Deal found 12/15

$777

Fri 5/297:55 amGMP - DCA

2 stops28h 12mJapan Airlines

Deal found 12/15

$783

Sun 1/257:40 pmGMP - DCA

2 stops40h 19mJapan Airlines

Deal found 12/16

$791

Sun 2/87:40 pmGMP - DCA

2 stops40h 19mJapan Airlines

Deal found 12/17

$794

Find flight deals from South Korea to Reagan-National

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$469 (American Airlines)
One-way from	$383 (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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Provider most trusted by Cheapflights users for Seoul (SEL)-Washington, D.C. (WAS) flights.

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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 ($297 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 9% potential price decrease ($83 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-10:50 am

2 stops29h 35m

Washington, D.C. Reagan-National

Sun 2/8

6:30 am-4:45 pm

1 stop20h 15m

$469

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

5:55 pm-4:40 am

1 stop21h 45m

$605

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 3/5

6:00 pm-9:45 pm

1 stop17h 45m

Washington, D.C. Reagan-National

Mon 3/9

12:32 pm-4:40 am

2 stops27h 08m

$606

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 2/19

12:45 pm-4:43 pm

1 stop17h 58m

Washington, D.C. Reagan-National

Tue 3/24

4:11 pm-4:40 am

2 stops23h 29m

$608

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 4/17

11:30 am-9:53 pm

1 stop23h 23m

Washington, D.C. Reagan-National

Tue 4/28

1:00 pm-4:20 am

2 stops26h 20m

$608

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Thu 1/29

7:50 pm-1:13 pm

2 stops31h 23m

Washington, D.C. Reagan-National

Sat 1/31

6:30 am-11:20 am

2 stops38h 50m

$1,098

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Wed 4/1

7:55 am-2:41 pm

2 stops19h 46m

Washington, D.C. Reagan-National

Sun 4/5

5:00 pm-9:50 pm

2 stops39h 50m

$1,220

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Wed 2/11

8:00 am-2:57 pm

2 stops20h 57m

Washington, D.C. Reagan-National

Mon 3/9

7:30 am-10:05 pm

2 stops25h 35m

$1,268

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Wed 2/11

8:00 am-4:38 pm

2 stops22h 38m

Washington, D.C. Reagan-National

Mon 3/9

7:30 am-10:05 pm

2 stops25h 35m

$1,272

SeoulWashington, D.C.

GMP - DCA

GMPDCA

Seoul Gimpo Intl

Thu 1/29

8:00 am-2:57 pm

2 stops20h 57m

Washington, D.C. Reagan-National

Wed 2/11

6:30 am-10:05 pm

2 stops25h 35m

$1,345

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 38 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 at noon. Doing so could potentially save you 74% on the flight price compared to flying in the morning, 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

10,534 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

10,534 reviews

Air Canada

7.1

Good

10,534 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 18h 07m. Fly via American Airlines, United Airlines, or ANA 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.

See more FAQs

Alexandria

Woodbridge

Tysons

Arlington

Owings Mills

Springfield

Hanover

Silver Spring

Fredericksburg

Linthicum Heights

Rockville

Laurel

Towson

Manassas

National Harbor

Bowie

Largo

McLean

Clinton

Cordova

Browse thousands of different options on Cheapflights for your next trip

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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$383+ 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 1/26. 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 18, 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 18, 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 18, 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 18, 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 December 16, 2024.

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

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

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 18, 2025.