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

For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $605. Users have also found prices from $675 and $676 on Cathay Pacific and China Airlines, respectively.

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

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

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 American Airlines, Air Canada and Korean Air. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Washington, D.C. Reagan-National Airport to Incheon Intl Airport?

Users have found that flying from Washington, D.C. Reagan-National Airport to Incheon Intl Airport on a Sunday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

The best pricing can be found in the month of January. Prices to Incheon Intl Airport from Washington, D.C. Reagan-National Airport average $1,361. You can even find prices in January for less than $1,361, as users have found deals to Incheon Intl Airport from as low as $863. The month of June appears to be one of the more expensive times to travel to Incheon Intl Airport from Washington, D.C. Reagan-National Airport. Flying in the targeted month can save you up to 35%.

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.

$593+ Flights from Washington, D.C. Reagan-National Airport to Incheon Intl Airport

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

Travelers have found it’s best to book a flight 19 days in advance to save up to 128% 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 19 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 Washington, D.C. Reagan-National Airport to Incheon Intl Airport 1-2 weeks in advance for as low as $1,165, or $1,352 for flights within the next 24 hours.

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Cheap flight deals from Reagan-National to Incheon Intl

Round-trip from	$1,295 (oojo)
One-way from	$593 (Kiwi.com)
Popular in	July
Cheapest in	January
Average price	$1,930

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

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

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Highest demand for flights based on searches. 28% potential increase in price ($561 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($77 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 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 juin 12, 2025.

lun. 9/16:30 amDCA - ICN

2 stops42h 35mCathay Pacific

lun. 9/2210:10 amICN - DCA

2 stops34h 48mCathay Pacific

Deal found 6/10

$1,295

jeu. 7/1012:55 pmDCA - ICN

3 stops38h 10mMultiple Airlines

mar. 7/229:05 pmICN - DCA

2 stops27h 58mMultiple Airlines

Deal found 6/10

$1,312

mer. 10/14:35 pmDCA - ICN

1 stop34h 40mAir Canada

jeu. 10/165:45 pmICN - DCA

2 stops29h 35mAir Canada

Deal found 6/12

$1,314

sam. 9/205:06 pmDCA - ICN

1 stop36h 29mAlaska Airlines

jeu. 10/98:35 pmICN - DCA

2 stops61h 39mAlaska Airlines

Deal found 6/11

$1,362

lun. 8/186:30 amDCA - ICN

2 stops34h 55mLOT

mer. 9/38:15 amICN - DCA

2 stops51h 41mLOT

Deal found 6/11

$1,486

dim. 8/248:20 amDCA - ICN

2 stops32h 40mPhilippine Airlines

mer. 9/108:30 pmICN - DCA

2 stops37h 29mPhilippine Airlines

Deal found 6/10

$1,549

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 juin 12, 2025.

lun. 9/16:30 amDCA - ICN

2 stops42h 35mCathay Pacific

lun. 9/2210:10 amICN - DCA

2 stops34h 48mCathay Pacific

Deal found 6/10

$1,295

jeu. 7/1012:55 pmDCA - ICN

3 stops38h 10mMultiple Airlines

mar. 7/229:05 pmICN - DCA

2 stops27h 58mMultiple Airlines

Deal found 6/10

$1,312

lun. 7/76:00 amDCA - ICN

1 stop21h 15mAir Canada

mar. 7/295:45 pmICN - DCA

2 stops41h 42mAir Canada

Deal found 6/9

$1,318

lun. 8/186:30 amDCA - ICN

2 stops34h 55mLOT

mer. 9/38:15 amICN - DCA

2 stops51h 41mLOT

Deal found 6/11

$1,486

dim. 8/248:20 amDCA - ICN

2 stops32h 40mPhilippine Airlines

mer. 9/108:30 pmICN - DCA

2 stops37h 29mPhilippine Airlines

Deal found 6/10

$1,549

ven. 8/156:58 pmDCA - ICN

3 stops35h 02mAlaska Airlines

ven. 8/229:25 pmICN - DCA

2 stops31h 41mAlaska Airlines

Deal found 6/10

$1,607

sam. 8/210:08 pmDCA - ICN

2 stops28h 22mAmerican Airlines

dim. 8/175:25 pmICN - DCA

1 stop20h 40mAmerican Airlines

Deal found 6/12

$1,619

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

mar. 6/176:30 amDCA - ICN

2 stops34h 55mLOT

mar. 7/1511:20 amICN - DCA

2 stops48h 39mLOT

Deal found 6/10

$1,889

mar. 6/176:30 amDCA - ICN

2 stops34h 55mMultiple Airlines

mer. 7/168:15 amICN - DCA

2 stops36h 34mMultiple Airlines

Deal found 6/10

$1,919

mar. 6/175:00 pmDCA - ICN

2 stops35h 05mQatar Airways

lun. 7/141:20 amICN - DCA

2 stops30h 38mQatar Airways

Deal found 6/12

$2,607

mar. 6/179:39 amDCA - ICN

1 stop17h 46mKorean Air

jeu. 7/310:15 amICN - DCA

1 stop19h 18mKorean Air

Deal found 6/11

$3,023

mer. 6/188:00 amDCA - ICN

2 stops57h 00mPhilippine Airlines

dim. 6/298:00 amICN - DCA

2 stops49h 29mPhilippine Airlines

Deal found 6/11

$6,665

jeu. 6/195:08 amDCA - ICN

1 stop21h 22mAmerican Airlines

ven. 8/15:25 pmICN - DCA

1 stop20h 24mAmerican Airlines

Deal found 6/11

$2,420

dim. 6/226:00 amDCA - ICN

2 stops41h 40mCathay Pacific

mer. 7/910:10 amICN - DCA

2 stops34h 39mCathay Pacific

Deal found 6/10

$1,690

dim. 6/226:00 amDCA - ICN

2 stops45h 05mAir Canada

mer. 7/95:45 pmICN - DCA

2 stops28h 12mAir Canada

Deal found 6/11

$1,740

lun. 7/76:00 amDCA - ICN

1 stop21h 15mAir Canada

mar. 7/295:45 pmICN - DCA

2 stops41h 42mAir Canada

Deal found 6/9

$1,318

mar. 7/87:32 pmDCA - ICN

2 stops34h 33mCathay Pacific

lun. 7/2110:10 amICN - DCA

2 stops34h 39mCathay Pacific

Deal found 6/12

$1,586

jeu. 7/1012:55 pmDCA - ICN

3 stops38h 10mMultiple Airlines

mar. 7/229:05 pmICN - DCA

2 stops27h 58mMultiple Airlines

Deal found 6/10

$1,312

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 juin 12, 2025.

dim. 8/248:00 amDCA - ICN

2 stops24h 35mMultiple Airlines

Deal found 6/11

$593

sam. 8/99:40 amDCA - ICN

1 stop17h 35mAir Canada

Deal found 6/11

$605

mer. 8/2010:00 pmDCA - ICN

2 stops27h 05mCathay Pacific

Deal found 6/11

$675

sam. 8/305:06 pmDCA - ICN

2 stops37h 29mChina Airlines

Deal found 6/11

$676

ven. 9/56:59 pmDCA - ICN

3 stops35h 01mAlaska Airlines

Deal found 6/11

$823

mer. 8/207:38 pmDCA - ICN

1 stop19h 22mKorean Air

Deal found 6/11

$1,009

mar. 6/176:58 pmDCA - ICN

2 stops34h 47mEVA Air

Deal found 6/12

$1,068

lun. 6/167:55 amDCA - ICN

2 stops21h 50mWestJet

Deal found 6/12

$1,079

dim. 6/155:00 amDCA - ICN

1 stop21h 30mAmerican Airlines

Deal found 6/12

$1,381

mer. 8/66:00 amDCA - ICN

2 stops21h 25mDelta

Deal found 6/10

$1,447

ven. 6/205:02 pmDCA - ICN

2 stops37h 18mPhilippine Airlines

Deal found 6/11

$3,378

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. 9/1

6:30 am-2:05 pm

2 stops42h 35m

Incheon Intl

lun. 9/22

10:10 am-7:58 am

2 stops34h 48m

$1,295

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

jeu. 7/10

12:55 pm-4:05 pm

3 stops38h 10m

Incheon Intl

mar. 7/22

9:05 pm-12:03 pm

2 stops27h 58m

$1,312

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

mer. 10/1

4:35 pm-4:15 pm

1 stop34h 40m

Incheon Intl

jeu. 10/16

5:45 pm-10:20 am

2 stops29h 35m

$1,314

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

sam. 9/20

5:06 pm-6:35 pm

1 stop36h 29m

Incheon Intl

jeu. 10/9

8:35 pm-9:14 pm

2 stops61h 39m

$1,362

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

lun. 8/18

6:30 am-6:25 am

2 stops34h 55m

Incheon Intl

mer. 9/3

8:15 am-10:56 pm

2 stops51h 41m

$1,486

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

dim. 8/24

8:20 am-6:00 am

2 stops32h 40m

Incheon Intl

lun. 9/15

8:30 pm-8:59 pm

2 stops37h 29m

$1,549

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

dim. 8/24

8:00 am-9:35 pm

2 stops24h 35m

$593

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

sam. 8/9

9:40 am-4:15 pm

1 stop17h 35m

$605

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

sam. 11/1

8:00 am-6:35 pm

1 stop21h 35m

$643

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

mer. 8/20

10:00 pm-2:05 pm

2 stops27h 05m

$675

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 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, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Incheon Intl Airport (average of $1,000). Flying from Washington, D.C. Reagan-National Airport to Incheon Intl Airport 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 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 32% versus a flight at noon.

Rainfall in Incheon Intl by month

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.

Temperature in Incheon Intl by month

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).

Reviews of airlines servicing Incheon Intl

To help decide which airline to fly from Washington, D.C. to Seoul, see what other customers have to say about EVA Air, Korean Air and China Airlines. You can also see how each airline stacks up 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,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

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,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

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,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

China Airlines

8.3

Very good

738 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

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,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Delta

8.0

Very good

7,950 reviews

EVA Air

8.4

Very good

1,202 reviews

Reviews

1 / 20

10.0

Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Related info for your journey

What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Incheon Intl Airport round-trip?
According to our current data, Cathay Pacific ($1,295), Air Canada ($1,318), and LOT ($1,486) 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 6% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Incheon Intl Airport one-way?
For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $605. Users have also found prices from $675 and $676 on Cathay Pacific and China Airlines, respectively.
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, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Incheon Intl Airport (average of $1,000). Flying from Washington, D.C. Reagan-National Airport to Incheon Intl Airport 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

Suwon

Seongnam

Daejeon

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
Air Canada	Cheapest$867	Average$1,291	FlexibilityNo cancel fee	On-time67%
American Airlines	Cheapest$877	Average$1,077	FlexibilityNo cancel fee	On-time71%
Korean Air	Cheapest$1,527	Average$1,832	FlexibilityNo cancel fee	On-time81%

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$593+ 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 8/24. 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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 juin 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 juin 12, 2025.

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.

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?

Find hourly flight availability from Reagan-National to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated juin 12, 2025.

Rainfall in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average rainfall totals by month.

Temperature in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Incheon Intl

To help decide which airline to fly from Washington, D.C. to Seoul, see what other customers have to say about EVA Air, Korean Air and China Airlines. 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 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.

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

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

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 Washington, D.C. Reagan-National 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 juin 12, 2025.