A traditional Korean palace with a large, ornate building in the center, surrounded by a courtyard with stone pathways and red-roofed structures.

CA $954 Cheap Flights from Washington (IAD) to Seoul (ICN)

View CA $954 flight on Tue, Sep 29, 2026Opens in a new window

Popular airlines from Washington Dulles International Airport (IAD) to Incheon Intl. Airport (ICN)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Washington (IAD) to Seoul (ICN)

Prices were available within the past 7 days and start at CA $954 for one-way flights and CA $1,430 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qatar Airways
Tue, Nov 3 - Thu, Nov 26
IAD
Washington
ICN
Seoul
CA $1,430 Roundtrip, found 22 hours ago
CA $1,430
Roundtrip
found 22 hours ago
Select Qatar Airways flight, departing Tue, Nov 3 from Washington to Seoul, returning Thu, Nov 26, priced at CA $1,430 found 22 hours ago
Turkish Airlines
Mon, Oct 5 - Wed, Nov 4
IAD
Washington
ICN
Seoul
CA $1,713 Roundtrip, found 5 days ago
CA $1,713
Roundtrip
found 5 days ago
Select Turkish Airlines flight, departing Mon, Oct 5 from Washington to Seoul, returning Wed, Nov 4, priced at CA $1,713 found 5 days ago
American Airlines
Sun, Jul 19 - Fri, Sep 4
IAD
Washington
ICN
Seoul
CA $1,714 Roundtrip, found 1 hour ago
CA $1,714
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sun, Jul 19 from Washington to Seoul, returning Fri, Sep 4, priced at CA $1,714 found 1 hour ago
EVA Airways
Sat, May 1 - Sat, May 22
IAD
Washington
ICN
Seoul
CA $1,807 Roundtrip, found 3 days ago
CA $1,807
Roundtrip
found 3 days ago
Select EVA Airways flight, departing Sat, May 1 from Washington to Seoul, returning Sat, May 22, priced at CA $1,807 found 3 days ago
Korean Air
Mon, Oct 5 - Wed, Nov 4
IAD
Washington
ICN
Seoul
CA $2,074 Roundtrip, found 5 days ago
CA $2,074
Roundtrip
found 5 days ago
Select Korean Air flight, departing Mon, Oct 5 from Washington to Seoul, returning Wed, Nov 4, priced at CA $2,074 found 5 days ago
Alaska Airlines
Wed, Sep 9 - Fri, Sep 11
IAD
Washington
ICN
Seoul
CA $2,082 Roundtrip, found 22 hours ago
CA $2,082
Roundtrip
found 22 hours ago
Select Alaska Airlines flight, departing Wed, Sep 9 from Washington to Seoul, returning Fri, Sep 11, priced at CA $2,082 found 22 hours ago
Delta
Thu, Sep 17 - Mon, Sep 21
IAD
Washington
ICN
Seoul
CA $2,084 Roundtrip, just found
CA $2,084
Roundtrip
just found
Select Delta flight, departing Thu, Sep 17 from Washington to Seoul, returning Mon, Sep 21, priced at CA $2,084 just found
Lufthansa
Mon, Sep 14 - Mon, Oct 5
IAD
Washington
ICN
Seoul
CA $2,114 Roundtrip, found 4 days ago
CA $2,114
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Mon, Sep 14 from Washington to Seoul, returning Mon, Oct 5, priced at CA $2,114 found 4 days ago
Korean Air
Mon, Oct 5 - Wed, Nov 4
IAD
Washington
ICN
Seoul
CA $2,145 Roundtrip, found 5 days ago
CA $2,145
Roundtrip
found 5 days ago
Select Korean Air flight, departing Mon, Oct 5 from Washington to Seoul, returning Wed, Nov 4, priced at CA $2,145 found 5 days ago
China Airlines
Sat, Aug 22 - Sat, Sep 19
IAD
Washington
ICN
Seoul
CA $2,247 Roundtrip, found 21 hours ago
CA $2,247
Roundtrip
found 21 hours ago
Select China Airlines flight, departing Sat, Aug 22 from Washington to Seoul, returning Sat, Sep 19, priced at CA $2,247 found 21 hours ago

Alternative airports near Seoul

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

Select flight to Gimpo Intl. GMP. Closest option available. Average driving time to city centre is 20 minutes. Flights from CA $3,764
GMP
Gimpo Intl.
Closest
Average driving time to city centre20 min
Flights from CA $3,764

Frequently asked questions

How much does a flight from Washington, DC (IAD-Washington Dulles Intl.) to Seoul (ICN-Incheon Intl.) cost?
You can find one-way and return flights from IAD to ICN with Expedia. 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 our cheapest fares first, and use the Price Tracking tool to receive alerts when IAD to ICN ticket fares go up or down.
What is the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to Seoul (ICN-Incheon Intl.)?
February is typically the cheapest month to fly from Washington, DC (IAD) to Seoul (ICN), with average return fares around CA$1905. February often sees lower prices because it falls after the busy holiday travel season, when demand tends to decrease. Other budget-friendly months to consider for flights from Washington, DC (IAD) to Seoul (ICN) include March and September.
Which airlines fly direct from Washington, DC (IAD-Washington Dulles Intl.) to Seoul (ICN-Incheon Intl.)?
There are 2 airlines offering direct flights from Washington, DC (IAD-Washington Dulles Intl.) to Seoul (ICN-Incheon Intl.). Here are the carriers:
  • Korean Air operates 7 direct flights from Washington, DC (IAD-Washington Dulles Intl.) to Seoul (ICN-Incheon Intl.) every week.
  • Air Premia operates 7 direct flights from Washington, DC (IAD-Washington Dulles Intl.) to Seoul (ICN-Incheon Intl.) every week.
What is the cheapest airline that flies from Washington, DC (IAD-Washington Dulles Intl.) to Seoul (ICN-Incheon Intl.)?
Air Premia is one of the cheapest airlines offering nonstop return flights from Washington Dulles Intl. (IAD) to Incheon Intl. (ICN), with tickets starting from around CA$1379 for flights that can be booked for departure within the next year. TAP Portugal offers one of the cheapest connecting return flights with a layover in Humberto Delgado (LIS), starting from around CA$2344. These prices are for economy/coach class per adult. 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.
How do I find cheap flights from Washington, DC (IAD-Washington Dulles Intl.) to Seoul (ICN-Incheon Intl.)?
To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to Seoul (ICN-Incheon Intl.), 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 airline to fly with from Washington, DC (IAD-Washington Dulles Intl.) to Seoul (ICN-Incheon Intl.)?
The best airline to fly with from Washington, DC (IAD-Washington Dulles Intl.) to Seoul (ICN-Incheon Intl.) will differ from traveler to traveler. If you like to fly early, Korean Air offers early morning flights. If price is the most important factor, Air Premia typically offers the lowest fares. United offers the most daily flights from Washington, DC (IAD-Washington Dulles Intl.) to Seoul (ICN-Incheon Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Washington, DC (IAD-Washington Dulles Intl.) to Seoul (ICN-Incheon Intl.)?
The cheapest months to fly from Washington Dulles Intl. (IAD) to Seoul (ICN) are typically February and March, with return flights averaging around CA$1905. These months often offer a good balance of lower fares and pleasant travel conditions before the peak season, giving you more options for your trip.
How many flights per day from Washington, DC (IAD-Washington Dulles Intl.) to Seoul (ICN-Incheon Intl.)?
You'll find around 2 nonstop flights per day from Washington Dulles Intl. (IAD) to Incheon Intl. (ICN). For even more choices, look at flights that include layovers, as there are approximately 110 connecting flights per day. Some common connection points include Pearson Intl. (YYZ), Hartsfield-Jackson Atlanta Intl. (ATL), and San Francisco Intl. (SFO).
What is the earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Seoul (ICN-Incheon Intl.)?
The earliest flight from Washington Dulles Intl. (IAD) to Incheon Intl. (ICN) typically departs around 1:15 AM. This service is operated by EVA Airways and is a seasonal offering, active in September and October. An early departure like this can be really convenient, allowing you to maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Washington, DC (IAD-Washington Dulles Intl.) to Seoul (ICN-Incheon Intl.)?
You'll generally find the most flights from Washington Dulles Intl. (IAD) to Incheon Intl. (ICN) on a Monday, with around 70 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include United, Delta, and Air France. Flight schedules are quite consistent throughout the week, so you'll have plenty of choices regardless of the day you choose to fly.
What are the most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Seoul (ICN-Incheon Intl.)?
The most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Seoul (ICN-Incheon Intl.) are in the early morning, from 6am to 9am. Many major carriers, including Delta, United and American Airlines, offer flights during this window. Many travelers prefer this time as it allows for an early start to their journey.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Seoul (ICN-Incheon Intl.)?
A non-stop flight from Washington, DC (IAD-Washington Dulles Intl.) to Seoul (ICN-Incheon Intl.) typically takes around 15 hours 30 minutes. This journey covers a distance of approximately 11,175 kilometers. If you opt for a flight with one stop, your travel time will be longer, usually around 20 hours 48 minutes. Flights with two or more stops generally take about 21 hours 48 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some flexibility in your travel plans.
Can you fly business or first class from Washington, DC (IAD-Washington Dulles Intl.) to Seoul (ICN-Incheon Intl.)?
You can fly business class or first class between IAD and ICN. Airlines that offer business class service on this route include:
  • Swiss International Air Lines
  • TAP Portugal
  • Turkish Airlines
  • Korean Air
  • KLM
  • Emirates
  • Air France
  • Lufthansa
  • Etihad Airways
  • Qatar Airways
  • Air Canada
  • SAS
  • Alaska Airlines
  • Delta
  • Air China
  • United
  • All Nippon Airways
  • Austrian Airlines
  • Virgin Atlantic
  • EVA Airways
First class cabins are available on Korean Air, Emirates, Lufthansa, and Delta.
How do I earn miles on a Washington, DC (IAD) to Seoul (ICN) flight with Expedia?
It's easy to earn miles on a Washington, DC (IAD) to Seoul (ICN) 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 Seoul (ICN) from Washington, DC (IAD)?
If you're planning to travel to Seoul from Washington Dulles International Airport (IAD), you can fly directly into Incheon International Airport (ICN). Some flights may connect through major hubs like O'Hare International Airport (ORD), Pearson International Airport (YYZ), or San Francisco International Airport (SFO) before reaching Seoul. 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 Washington, DC (IAD) to Seoul (ICN) at the last minute?
Typically, booking a last minute flight from Washington, DC (IAD) to Seoul (ICN) 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 Washington, DC (IAD) to Seoul (ICN) flight and hotel package?
Securing a Washington, DC (IAD) to Seoul (ICN) flight and hotel package 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 Washington, DC (IAD-Washington Dulles Intl.) to Seoul (ICN-Incheon Intl.)?
If you booked your Washington, DC (IAD-Washington Dulles Intl.) to Seoul (ICN-Incheon Intl.) 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
Washington Dulles Intl.
Destination airport
Incheon Intl.
Airlines serving
Aeromexico, Air Canada, Air China, Air France, Alaska Airlines, American Airlines, Asiana Airlines, China Airlines, Delta, EVA Airways, Emirates, Ethiopian Airlines, Etihad Airways, KLM, Korean Air, Lufthansa, Qatar Airways, Swiss International Air Lines, Turkish Airlines, United
Roundtrip price
CA $1,429
Distance
11108 km
Average flight time
28 hours 22 mins

Book with confidence

Chantilly to Incheon Flights

The easy way to book your flights from Washington to Seoul 

With Expedia, it’s simple to find and book flights to Seoul from Washington whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Incheon Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Washington to Seoul today, tomorrow, or this week.  

 

Save dollars with cheap flights from Washington Dulles Intl., IAD to Incheon Intl., ICN 

Sort your search results by price to find great deals on your flight from Washington to Seoul—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seoul from Washington currently is just CA $1,430 rising to CA $2,247.  

Here are more money-saving tips: 

  • Fly in November when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Seoul  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Seoul from Washington 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seoul with Expedia today.

Chantilly to Incheon Flights

Explore a world of travel with Expedia

*Available to Expedia members.