$563 Cheap Flights from Seoul (ICN) to Washington (DCA)

View $563 flight on Fri, May 8, 2026Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Ronald Reagan Washington National Airport (DCA)

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Cheap Flights from Seoul to Washington (ICN-DCA)

Prices were available within the past 7 days and start at $563 for one-way flights and $1,089 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Sep 1 - Tue, Sep 29
ICN
Seoul
DCA
Washington
$1,089 Roundtrip, found 6 days ago
$1,089
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Sep 1 from Seoul to Washington, returning Tue, Sep 29, priced at $1,089 found 6 days ago
Air Canada
Fri, Oct 2 - Sat, Oct 31
ICN
Seoul
DCA
Washington
$1,227 Roundtrip, found 2 days ago
$1,227
Roundtrip
found 2 days ago
Select Air Canada flight, departing Fri, Oct 2 from Seoul to Washington, returning Sat, Oct 31, priced at $1,227 found 2 days ago
Air Canada
Wed, Oct 28 - Wed, Nov 11
ICN
Seoul
DCA
Washington
$1,232 Roundtrip, found 2 days ago
$1,232
Roundtrip
found 2 days ago
Select Air Canada flight, departing Wed, Oct 28 from Seoul to Washington, returning Wed, Nov 11, priced at $1,232 found 2 days ago
Air Canada
Tue, Oct 6 - Tue, Oct 20
ICN
Seoul
DCA
Washington
$1,245 Roundtrip, found 23 hours ago
$1,245
Roundtrip
found 23 hours ago
Select Air Canada flight, departing Tue, Oct 6 from Seoul to Washington, returning Tue, Oct 20, priced at $1,245 found 23 hours ago
Air Canada
Mon, Oct 19 - Fri, Oct 30
ICN
Seoul
DCA
Washington
$1,250 Roundtrip, found 4 hours ago
$1,250
Roundtrip
found 4 hours ago
Select Air Canada flight, departing Mon, Oct 19 from Seoul to Washington, returning Fri, Oct 30, priced at $1,250 found 4 hours ago
Asiana Airlines
Thu, Oct 15 - Wed, Oct 21
ICN
Seoul
DCA
Washington
$1,254 Roundtrip, found 5 days ago
$1,254
Roundtrip
found 5 days ago
Select Asiana Airlines flight, departing Thu, Oct 15 from Seoul to Washington, returning Wed, Oct 21, priced at $1,254 found 5 days ago
Asiana Airlines
Mon, Sep 14 - Sun, Oct 4
ICN
Seoul
DCA
Washington
$1,261 Roundtrip, found 13 hours ago
$1,261
Roundtrip
found 13 hours ago
Select Asiana Airlines flight, departing Mon, Sep 14 from Seoul to Washington, returning Sun, Oct 4, priced at $1,261 found 13 hours ago
Asiana Airlines
Wed, Oct 14 - Mon, Dec 7
ICN
Seoul
DCA
Washington
$1,262 Roundtrip, found 3 days ago
$1,262
Roundtrip
found 3 days ago
Select Asiana Airlines flight, departing Wed, Oct 14 from Seoul to Washington, returning Mon, Dec 7, priced at $1,262 found 3 days ago
United
Tue, Sep 8 - Wed, Sep 9
ICN
Seoul
DCA
Washington
$1,293 Roundtrip, found 4 days ago
$1,293
Roundtrip
found 4 days ago
Select United flight, departing Tue, Sep 8 from Seoul to Washington, returning Wed, Sep 9, priced at $1,293 found 4 days ago
Alaska Airlines
Fri, Jan 15 - Sun, Jan 24
ICN
Seoul
DCA
Washington
$1,390 Roundtrip, found 2 days ago
$1,390
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Fri, Jan 15 from Seoul to Washington, returning Sun, Jan 24, priced at $1,390 found 2 days ago

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Average driving time to city center is 40 minutes. Flights from $1,606
BWI
Baltimore Washington Intl. Thurgood Marshall
Average driving time to city center40 min
Flights from $1,606
Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city center is 36 minutes. Flights from $1,566
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city center36 min
Flights from $1,566

Frequently asked questions

How much does a flight from Seoul (ICN-Incheon Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) cost?
You can find cheap one-way flights from $563 and cheap return flights from $1,089 Seoul (ICN-Incheon Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) with Expedia. One-way flights usually range from $801 to $3633, and return flights typically cost between $1288 and $4979. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Seoul (ICN-Incheon Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Seoul (ICN-Incheon Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The cheapest month to fly from ICN to DCA is September when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Seoul (ICN-Incheon Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
Enter ICN to DCA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Seoul (ICN-Incheon Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
China Airlines is one of the cheapest airlines offering connecting flights from Incheon Intl. (ICN) to Ronald Reagan Washington National (DCA), with round-trip tickets starting from around $2,004. This flight includes a layover in Taoyuan Intl. (TPE). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Seoul (ICN-Incheon Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
To find a cheap flight from Seoul (ICN-Incheon Intl.) to Washington, DC (DCA-Ronald Reagan Washington National), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Seoul (ICN-Incheon Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Seoul (ICN-Incheon Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The earliest flight from Incheon International (ICN) to Ronald Reagan Washington National (DCA) typically departs at around 7:10 AM, operated by Jeju Air and United. This seasonal service is available in April, providing a timely option for those looking to arrive in Washington, DC early in the day. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Seoul (ICN-Incheon Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The most popular departure times for flights from Incheon International Airport (ICN) in Seoul to Ronald Reagan Washington National Airport (DCA) are in the evening, from 6pm to 9pm. This time window accounts for about 41% of total traffic. Major carriers like Delta Airlines and American Airlines operate flights during this period. Evening departures are favored as they allow travelers to arrive in Washington, DC, the next day, ready for their plans.
How long does it take to fly from Seoul (ICN-Incheon Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
Flying from ICN to DCA with a connection usually takes about 18 hours 20 minutes, traveling roughly 6,958 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seoul (ICN-Incheon Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
Business class is available on flights from ICN to DCA. Airlines that offer business class service on this route include:

  • Delta Air Lines
  • Air Canada
  • Korean Air
  • Cathay Pacific
  • Asiana Airlines
  • Jeju Air

First class is available with Korean Air.
How do I earn miles on a Seoul (ICN-Incheon Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight with Expedia?
It's easy to earn miles on a Seoul (ICN-Incheon Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Washington from Incheon Intl. (ICN)?
When traveling from Incheon Intl. (ICN) to Washington, you can fly into Ronald Reagan Washington National (DCA) and Washington Dulles Intl. (IAD). Some flights may connect through major hubs like Dallas-Fort Worth Intl. (DFW), San Francisco Intl. (SFO), Narita Intl. (NRT) before reaching Washington. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seoul (ICN-Incheon Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) at the last minute?
Typically, booking a last minute flight from Seoul (ICN-Incheon Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seoul (ICN-Incheon Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight and hotel package?
Securing a Seoul (ICN-Incheon Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) Washington Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seoul (ICN-Incheon Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
If you booked your Seoul (ICN-Incheon Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Incheon Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
Air Canada, Alaska Airlines, American Airlines, Delta, Japan Airlines, Korean Air, United
Roundtrip price
$1,089
Distance
6956 mi

*Flight schedules are subject to change.

*Available to One Key members.

 

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