Cheap flights from Seoul to Washington, D.C. from $432
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul to Washington, D.C. departing on 10/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from Seoul to Washington, D.C.
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How to get the cheapest flight ticket from Seoul to Washington, D.C.
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to Washington, D.C.?
On average, the least expensive day to fly to Washington, D.C. from Seoul is on a Thursday. momondo users have found tickets for Thursday departures for as low as $1,463. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Seoul to Washington, D.C. for around $1,594.
What is the cheapest time of day to depart on your flight to Washington, D.C.?
In the afternoon is the cheapest time of day to fly from Seoul to Washington, D.C. when you can find flight prices for as low as $919. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $1,505. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Seoul to Washington, D.C. flight route?
Fly from Incheon Intl to Washington, D.C. Dulles Intl for the best Seoul - Washington, D.C. flight prices
How far in advance should I book a flight to Washington, D.C.?
You are more likely to see cheaper flights to Washington, D.C. from Seoul when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $1,372 when searching 23 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Seoul for as low as $1,016 on momondo.
What cabin class options are available on Seoul to Washington, D.C. flights?
There are 4 cabin classes available to choose from on Seoul to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Seoul to Washington, D.C. flights?
You could potentially save up to 1% on your flight if you consider stops on a Seoul to Washington, D.C. flight.
What is the cheapest airline that flies from Seoul to Washington, D.C.?
Air Canada, Japan Airlines, and EVA Air are the most popular carriers operating from Seoul to Washington, D.C.
What airlines fly to Washington, D.C.?
Korean Air, Delta and United Airlines are the top three most popular airlines that fly to Washington, D.C. from Seoul according to our data. Korean Air is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 5 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.
How many flights depart from Seoul to Washington, D.C. on average per day?
The number of flights available between Seoul and Washington, D.C. is 2 per day as of June 2025. The most frequent departure time is 10:00AM, with 100% of daily flights leaving at noon.
How many flights depart from Seoul to Washington, D.C. on average per week?
As of June 2025, there are 14 flights per week flying from Seoul to Washington, D.C.. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.
When to book flights from Seoul to Washington, D.C.
Cheap Seoul to Washington, D.C. (SEL to WAS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seoul to Washington, D.C.
Best Price Found | $432 |
|---|---|
Fastest flight time | 13h 30m |
Direct flights | Every day |
Airports in Washington, D.C. | 3 airports |
How far is Seoul to Washington, D.C. by plane?
A flight from Seoul to Washington, D.C. will travel around 6932.9 mi. By plane, this route typically takes 13h 30m.
When did momondo last update prices for flights from Seoul to Washington, D.C.?
Prices for flights from Seoul to Washington, D.C. refresh daily.
How many operators does momondo search for flights from Seoul to Washington, D.C.?
There are 5 operators available for flights from Seoul to Washington, D.C. as of June 2025.
How old do you have to be to fly from Seoul to Washington, D.C.?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seoul to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Seoul to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Seoul to Washington, D.C. is Boeing 777-300ER (87.22% of total bookings). The next most popular plane models are Airbus A350-900 (7.14%), Boeing 747-8 (4.51%), and Airbus A380-800 (0.75%).
What is the most popular airline from Seoul to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seoul to Washington, D.C. is Air Canada (40% of total bookings). The next most popular airlines are Korean Air (22%), United Airlines (18%), and Delta (11%).
Best airlines flying from Seoul to Washington, D.C.
Compare and see reviews for airlines that fly from Seoul to Washington, D.C. with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $687 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $688 | Free Cancellation | Rating 7.1 9,553 reviews | |||
| PriceFrom $726 | Free Cancellation | Rating 7.4 8,798 reviews | |||
| PriceFrom $882 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $1,127 | Free Cancellation | Rating 8.4 1,090 reviews |
Korean Air Flights From Seoul to Washington, D.C.
The lowest priced Korean Air flight from Seoul to Washington, D.C. from the last 72 hours was $1,127. Generally, Korean Air has 7 flights on this route every week with an average price of $1,447. Korean Air is rated 8.4/10 by our users.
Delta Flights From Seoul to Washington, D.C.
Another popular option for Seoul to Washington, D.C. flights is Delta (8.0/10, 7,963 ratings). Delta flies from Seoul to Washington, D.C. around 7 times per week, with deals starting from $882 round-trip and rising to an average price of around $1,546.
Traveling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seoul to Washington, D.C.?
It is quick and easy to find Seoul to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.
Can I find flights from Seoul to Washington, D.C. with flexible booking policies on momondo?
All flight searches from Seoul to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Seoul to Washington, D.C.?
Once all potential Seoul to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Seoul to Washington, D.C. right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Seoul to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.