In terms of precipitation, rainfall in Incheon Intl Airport 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 Incheon Intl Airport when rainfall is around 0.8 in.

If weather is an important factor for your trip to Incheon Intl Airport, 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).

What are the most popular airlines that fly from Washington, D.C. Reagan-National Airport to Incheon Intl Airport?

The most popular airlines flying from Washington, D.C. Reagan-National Airport to Incheon Intl Airport are Air Canada, American Airlines and Korean Air. Something to consider prior to booking your flight.

Most accurate provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Incheon Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Reagan-National Airport-Incheon Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Incheon Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Incheon Intl Airport flights, Cheapflights users trust eDreams the most. eDreams 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 Washington, D.C. Reagan-National Airport-Incheon 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 Reagan-National to Incheon Intl that include hotel bookings?

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

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

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

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

Yes. Cheapflights offers flight deals from Reagan-National to Incheon 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.

$478+ Flights from Washington, D.C. Reagan-National Airport to Incheon Intl Airport

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Cheap flight deals from Reagan-National to Incheon Intl

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

vie. 12/126:00 amDCA - ICN

2 stops25h 40mMultiple Airlines

vie. 12/1911:50 amICN - DCA

3 stops35h 05mMultiple Airlines

Deal found 12/11

$1,576

mié. 12/249:59 amDCA - ICN

1 stop40h 21mMultiple Airlines

lun. 1/266:55 pmICN - DCA

2 stops36h 04mMultiple Airlines

Deal found 12/10

$1,577

vie. 12/126:00 amDCA - ICN

2 stops26h 30mMultiple Airlines

lun. 12/152:50 pmICN - DCA

2 stops33h 31mMultiple Airlines

Deal found 12/10

$1,626

mié. 12/246:50 pmDCA - ICN

2 stops31h 10mAir Canada

lun. 1/266:55 pmICN - DCA

2 stops34h 38mAir Canada

Deal found 12/10

$1,744

lun. 12/227:07 pmDCA - ICN

2 stops36h 28mMultiple Airlines

lun. 1/266:55 pmICN - DCA

1 stop37h 01mMultiple Airlines

Deal found 12/10

$1,748

mar. 12/238:40 pmDCA - ICN

2 stops30h 30mAir Canada

lun. 1/266:55 pmICN - DCA

2 stops41h 03mAir Canada

Deal found 12/10

$1,843

mar. 12/239:59 amDCA - ICN

1 stop40h 21mMultiple Airlines

dom. 1/256:55 pmICN - DCA

2 stops41h 04mMultiple Airlines

Deal found 12/11

$1,895

dom. 12/146:00 amDCA - ICN

2 stops44h 45mMultiple Airlines

mar. 12/238:45 amICN - DCA

2 stops27h 11mMultiple Airlines

Deal found 12/11

$1,897

jue. 12/255:00 pmDCA - ICN

1 stop35h 35mMultiple Airlines

mar. 12/309:00 pmICN - DCA

1 stop33h 05mMultiple Airlines

Deal found 12/10

$1,939

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

lun. 1/265:01 pmDCA - ICN

2 stops27h 29mMultiple Airlines

mar. 2/37:45 pmICN - DCA

2 stops34h 24mMultiple Airlines

Deal found 12/10

$1,201

mié. 3/49:37 amDCA - ICN

2 stops37h 08mCathay Pacific

mié. 6/33:10 pmICN - DCA

2 stops42h 06mCathay Pacific

Deal found 12/11

$1,241

vie. 1/166:56 pmDCA - ICN

2 stops33h 39mMultiple Airlines

lun. 1/198:35 pmICN - DCA

2 stops35h 21mMultiple Airlines

Deal found 12/10

$1,217

mié. 2/49:35 amDCA - ICN

2 stops37h 10mCathay Pacific

mié. 5/63:10 pmICN - DCA

2 stops44h 05mCathay Pacific

Deal found 12/11

$1,241

vie. 1/96:56 pmDCA - ICN

2 stops33h 39mMultiple Airlines

dom. 1/258:35 pmICN - DCA

2 stops35h 21mMultiple Airlines

Deal found 12/10

$1,245

mar. 1/139:35 amDCA - ICN

2 stops37h 10mCathay Pacific

jue. 1/223:00 pmICN - DCA

2 stops41h 44mCathay Pacific

Deal found 12/11

$1,322

mié. 3/116:59 pmDCA - ICN

2 stops26h 31mMultiple Airlines

mié. 4/87:45 pmICN - DCA

2 stops33h 32mMultiple Airlines

Deal found 12/11

$1,261

dom. 1/189:33 amDCA - ICN

2 stops37h 12mCathay Pacific

mar. 1/2710:00 amICN - DCA

2 stops27h 00mCathay Pacific

Deal found 12/11

$1,322

jue. 1/156:56 pmDCA - ICN

2 stops33h 39mMultiple Airlines

sáb. 1/318:35 pmICN - DCA

2 stops35h 21mMultiple Airlines

Deal found 12/11

$1,263

mié. 1/149:35 amDCA - ICN

2 stops38h 20mCathay Pacific

vie. 1/233:00 pmICN - DCA

2 stops41h 58mCathay Pacific

Deal found 12/11

$1,322

vie. 1/169:35 amDCA - ICN

2 stops37h 10mCathay Pacific

lun. 1/263:00 pmICN - DCA

2 stops46h 00mCathay Pacific

Deal found 12/11

$1,322

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

vie. 1/98:40 pmDCA - ICN

2 stops34h 55mMultiple Airlines

sáb. 5/28:45 pmICN - DCA

3 stops28h 16mMultiple Airlines

Deal found 12/10

$1,133

jue. 1/1512:55 pmDCA - ICN

3 stops34h 40mMultiple Airlines

sáb. 1/319:20 pmICN - DCA

3 stops27h 03mMultiple Airlines

Deal found 12/11

$1,127

sáb. 1/248:40 pmDCA - ICN

2 stops34h 55mMultiple Airlines

sáb. 1/319:20 pmICN - DCA

2 stops28h 59mMultiple Airlines

Deal found 12/10

$1,068

dom. 1/256:56 pmDCA - ICN

1 stop35h 34mMultiple Airlines

vie. 1/306:55 pmICN - DCA

1 stop37h 01mMultiple Airlines

Deal found 12/11

$1,093

dom. 1/256:56 pmDCA - ICN

1 stop35h 34mMultiple Airlines

dom. 2/16:55 pmICN - DCA

1 stop37h 01mMultiple Airlines

Deal found 12/11

$1,107

lun. 1/265:01 pmDCA - ICN

1 stop22h 19mMultiple Airlines

lun. 2/26:55 pmICN - DCA

2 stops36h 04mMultiple Airlines

Deal found 12/11

$1,063

lun. 1/265:01 pmDCA - ICN

1 stop22h 19mMultiple Airlines

mar. 2/39:20 pmICN - DCA

2 stops32h 49mMultiple Airlines

Deal found 12/10

$1,111

lun. 1/2612:55 pmDCA - ICN

3 stops34h 40mMultiple Airlines

sáb. 1/319:20 pmICN - DCA

3 stops27h 03mMultiple Airlines

Deal found 12/10

$1,132

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

vie. 2/206:00 pmDCA - ICN

3 stops59h 25mMultiple Airlines

Deal found 12/10

$478

jue. 1/158:00 amDCA - ICN

2 stops46h 30mMultiple Airlines

Deal found 12/11

$498

mié. 3/46:00 amDCA - ICN

2 stops24h 30mMultiple Airlines

Deal found 12/11

$503

mié. 1/145:01 pmDCA - ICN

2 stops38h 34mMultiple Airlines

Deal found 12/11

$513

mié. 1/76:00 pmDCA - ICN

3 stops37h 35mMultiple Airlines

Deal found 12/11

$529

mar. 2/101:00 pmDCA - ICN

3 stops57h 30mMultiple Airlines

Deal found 12/11

$574

Find flight deals from Reagan-National to Incheon Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,068 (Mytrip)
One-way from	$478 (Kiwi.com)
Popular in	June
Cheapest in	April
Average price	$1,834

Provider with most accurate pricing for Washington, D.C. Reagan-National-Incheon Intl flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Incheon Intl flights.

Search Deals

From Washington, D.C. Reagan-National to Incheon Intl

Search Deals

One-way flight from Washington, D.C. Reagan-National to Incheon Intl

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($105 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($46 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 Washington, D.C. Reagan-National Airport to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

lun. 1/26

5:01 pm-10:30 am

2 stops27h 29m

Incheon Intl

mar. 2/3

7:45 pm-4:09 pm

2 stops34h 24m

$1,201

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

vie. 1/16

6:56 pm-6:35 pm

2 stops33h 39m

Incheon Intl

lun. 1/19

8:35 pm-5:56 pm

2 stops35h 21m

$1,217

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

mié. 3/4

9:37 am-12:45 pm

2 stops37h 08m

Incheon Intl

mié. 6/3

3:10 pm-8:16 pm

2 stops42h 06m

$1,241

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

mié. 2/4

9:35 am-12:45 pm

2 stops37h 10m

Incheon Intl

mié. 5/6

3:10 pm-10:15 pm

2 stops44h 05m

$1,241

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

vie. 1/9

6:56 pm-6:35 pm

2 stops33h 39m

Incheon Intl

dom. 1/25

8:35 pm-5:56 pm

2 stops35h 21m

$1,245

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

mié. 3/11

6:59 pm-10:30 am

2 stops26h 31m

Incheon Intl

mié. 4/8

7:45 pm-4:17 pm

2 stops33h 32m

$1,261

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

jue. 1/15

6:56 pm-6:35 pm

2 stops33h 39m

Incheon Intl

sáb. 1/31

8:35 pm-5:56 pm

2 stops35h 21m

$1,263

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

mar. 1/13

9:35 am-12:45 pm

2 stops37h 10m

Incheon Intl

jue. 1/22

3:00 pm-6:44 pm

2 stops41h 44m

$1,322

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

dom. 1/18

9:33 am-12:45 pm

2 stops37h 12m

Incheon Intl

mar. 1/27

10:00 am-11:00 pm

2 stops27h 00m

$1,322

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

mié. 1/14

9:35 am-1:55 pm

2 stops38h 20m

Incheon Intl

vie. 1/23

3:00 pm-6:58 pm

2 stops41h 58m

$1,322

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 18 results

Compare providers for flights from Reagan-National to Incheon Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Incheon Intl in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
Justfly.com	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 Washington, D.C. Reagan-National Airport-Incheon Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Reagan-National Airport-Incheon Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Incheon Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Incheon Intl Airport flights, Cheapflights users trust eDreams the most. eDreams 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 Washington, D.C. Reagan-National Airport-Incheon 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 Reagan-National to Incheon Intl

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

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Incheon Intl Airport (average of $537). Flying from Washington, D.C. Reagan-National Airport to Incheon Intl Airport in January is currently the most expensive (average of $1,602). 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 DCA to ICN?

When flying from Washington, D.C. Reagan-National Airport to Incheon Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 31% versus a flight at noon.

Reviews of airlines servicing Incheon Intl

Peruse reviews from past customers who have flown with Korean Air, American Airlines, and Air Canada from Washington, D.C. Reagan-National Airport to Incheon Intl 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.

Korean Air

8.4

Very good

1,184 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Korean Air

8.4

Very good

1,184 reviews

Korean Air

8.4

Very good

1,184 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

American Airlines

7.2

Good

11,049 reviews

Korean Air

8.4

Very good

1,184 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

Air Canada

7.1

Good

10,517 reviews

Korean Air

8.4

Very good

1,184 reviews

Reviews

1 / 20

10.0

Excellent

Chris,Mar 2025

SEA - ICN

Related info for your journey

How long is the flight from Washington, D.C. Reagan-National Airport to Incheon Intl Airport?
A quick flight from Washington, D.C. Reagan-National Airport to Incheon Intl Airport can take about 37h 08m. Cathay Pacific provides one of the quickest options available for as low as $1,241. The distance from Washington, D.C. Reagan-National Airport to Incheon Intl Airport is about 6953 mi.
What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Incheon Intl Airport round-trip?
According to our current data, American Airlines ($877), Air Canada ($957), and Korean Air ($1,583) offers the cheapest pricing from Washington, D.C. Reagan-National Airport to Incheon Intl Airport. You may be able to fly from Washington, D.C. Reagan-National Airport to Incheon Intl Airport for 37% less than the average price by searching for these airlines.
Can I find deals for flights from Reagan-National to Incheon Intl that include hotel bookings?
Yes. In addition to deals on Reagan-National to Incheon Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Incheon Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Incheon Intl.
Can I find deals for business class flights from Reagan-National to Incheon Intl?
Yes. Cheapflights offers flight deals from Reagan-National to Incheon 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 Washington, D.C. Reagan-National Airport to Incheon Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Incheon Intl Airport (average of $537). Flying from Washington, D.C. Reagan-National Airport to Incheon Intl Airport in January is currently the most expensive (average of $1,602). 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

Suwon

Seongnam

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Reagan-National to Incheon Intl

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$877	Average$877	FlexibilityNo cancel fee	On-time71%
Air Canada	Cheapest$957	Average$1,287	FlexibilityNo cancel fee	On-time67%
Korean Air	Cheapest$1,583	Average$1,898	FlexibilityNo cancel fee	On-time81%

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$478+ Cheap flights from Reagan-National (DCA) to Incheon Intl (ICN)

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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Incheon 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 Reagan-National to Incheon Intl

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

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

Find flight deals from Reagan-National to Incheon Intl

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 Washington, D.C. Reagan-National Airport to Incheon Intl Airport that are best for you.

Compare providers for flights from Reagan-National to Incheon 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 Reagan-National to Incheon Intl in December.

Best time to book a flight from Reagan-National to Incheon Intl

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

Cheapflights Insights

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

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

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

Reviews of airlines servicing Incheon Intl

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Incheon Intl. 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 Washington, D.C. Reagan-National Airport to Incheon Intl Airport?

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

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

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

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

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

Traveling to a place near Incheon Intl Airport?

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Alternative routes for Reagan-National to Incheon Intl

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

Top 3 airlines flying from Reagan-National to Incheon Intl

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