$536 Cheap Flights from Seoul (SEL) to Washington (WAS)

View $536 flight on Tue, Jun 9, 2026Opens in a new window

Popular airlines from Seoul to Washington

Cheap Flights from Seoul to Washington (SEL-WAS)

Prices were available within the past 7 days and start at $536 for one-way flights and $429 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, Dec 19 - Tue, Jan 6
ICN
Seoul
IAD
Washington
$429 Roundtrip, found 3 hours ago
$429
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Fri, Dec 19 from Seoul to Washington, returning Tue, Jan 6, priced at $429 found 3 hours ago
Air Canada
Tue, Nov 11 - Sat, Nov 15
ICN
Seoul
DCA
Washington
$429 Roundtrip, found 1 day ago
$429
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Nov 11 from Seoul to Washington, returning Sat, Nov 15, priced at $429 found 1 day ago
Alaska Airlines
Thu, Mar 12 - Fri, Mar 13
ICN
Seoul
IAD
Washington
$477 Roundtrip, found 11 hours ago
$477
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Thu, Mar 12 from Seoul to Washington, returning Fri, Mar 13, priced at $477 found 11 hours ago
Hawaiian Airlines
Fri, Feb 20 - Wed, Mar 4
ICN
Seoul
IAD
Washington
$483 Roundtrip, found 1 hour ago
$483
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Fri, Feb 20 from Seoul to Washington, returning Wed, Mar 4, priced at $483 found 1 hour ago
American Airlines
Thu, Nov 13 - Sun, Nov 16
ICN
Seoul
IAD
Washington
$487 Roundtrip, found 7 hours ago
$487
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Thu, Nov 13 from Seoul to Washington, returning Sun, Nov 16, priced at $487 found 7 hours ago
American Airlines
Tue, Nov 11 - Tue, Nov 18
ICN
Seoul
BWI
Baltimore
$487 Roundtrip, found 21 hours ago
$487
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Tue, Nov 11 from Seoul to Baltimore, returning Tue, Nov 18, priced at $487 found 21 hours ago
United
Wed, Dec 17 - Thu, Jan 8
ICN
Seoul
DCA
Washington
$506 Roundtrip, found 5 days ago
$506
Roundtrip
found 5 days ago
Select United flight, departing Wed, Dec 17 from Seoul to Washington, returning Thu, Jan 8, priced at $506 found 5 days ago
Delta
Mon, Nov 10 - Sat, Nov 22
ICN
Seoul
BWI
Baltimore
$649 Roundtrip, found 21 hours ago
$649
Roundtrip
found 21 hours ago
Select Delta flight, departing Mon, Nov 10 from Seoul to Baltimore, returning Sat, Nov 22, priced at $649 found 21 hours ago
Korean Air
Thu, Nov 27 - Tue, Jan 27
ICN
Seoul
BWI
Baltimore
$735 Roundtrip, found 2 hours ago
$735
Roundtrip
found 2 hours ago
Select Korean Air flight, departing Thu, Nov 27 from Seoul to Baltimore, returning Tue, Jan 27, priced at $735 found 2 hours ago
Asiana Airlines
Wed, Apr 22 - Thu, Apr 23
ICN
Seoul
IAD
Washington
$1,048 Roundtrip, found 1 day ago
$1,048
Roundtrip
found 1 day ago
Select Asiana Airlines flight, departing Wed, Apr 22 from Seoul to Washington, returning Thu, Apr 23, priced at $1,048 found 1 day ago

Alternative airports near Washington

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

Select flight to Ronald Reagan Washington National DCA. Closest option available. Average driving time to city center is 8 minutes. Flights from $826
DCA
Ronald Reagan Washington National
Closest
Average driving time to city center8 min
Flights from $826
Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Average driving time to city center is 40 minutes. Flights from $819
BWI
Baltimore Washington Intl. Thurgood Marshall
Average driving time to city center40 min
Flights from $819
Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city center is 36 minutes. Flights from $442
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city center36 min
Flights from $442

Frequently asked questions

How much is a flight from Seoul (SEL-All Airports) to Washington, DC (WAS-All Airports)?
The lowest price advertised for a round-trip journey from Seoul (SEL-All Airports) to Washington, DC (WAS-All Airports) is $429. But you better act soon. This price is taken from fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seoul (SEL-All Airports) to Washington, DC (WAS-All Airports)?
We get that things come up unexpectedly, so we've made it as simple as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Seoul (SEL-All Airports) to Washington, DC (WAS-All Airports) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Seoul (SEL-All Airports) to Washington, DC (WAS-All Airports) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Seoul (SEL-All Airports) to Washington, DC (WAS-All Airports)?
The distance is around 6961 mi. Earplugs? Check. Warm clothes? Check. You'll need to pack all the essentials for this long-haul South Korea to Maryland flight.
Which airlines fly direct from Seoul (SEL-All Airports) to Washington, DC (WAS-All Airports)?
If you're looking to fly straight from Seoul (SEL-All Airports) to Washington, DC (WAS-All Airports), Korean Air (KE) is a top option. It operates 30 monthly flights between South Korea and Maryland.
Are Seoul (SEL-All Airports) to Washington, DC (WAS-All Airports) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Seoul (SEL-All Airports) to Washington, DC (WAS-All Airports) at the last minute could save you some cash. However, it might cost you a whole lot more! If you'd rather avoid the risk, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred carrier hasn't released tickets yet, check back frequently as deals are updated all the time on Expedia.

Travel information

Origin airport
Incheon Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, Air China, Air France, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, Cathay Pacific, Delta, Emirates, Ethiopian Airlines, Hawaiian Airlines, Japan Airlines, KLM, Korean Air, Lufthansa, Singapore Airlines, Turkish Airlines, United, WestJet
Roundtrip price
$429
Distance
6942 mi

Book with confidence

Seoul to Washington Flights

The cheapest times to fly from Seoul to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seoul to Washington are during the month of December. You can find some of the cheapest flights from Seoul to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seoul to Washington

Sunday is one of the best days to book for cheap flights from Seoul to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seoul to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seoul to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $536 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seoul to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seoul to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seoul to Washington Flights

Explore a world of travel with Expedia

*Available to One Key members.