Cheap flights from Washington, D.C. Dulles Intl Airport to Seoul from $422
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Seoul departing on 8/27. 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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Turkish Airlines flights from Washington, D.C. Dulles Intl Airport to Seoul
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Air Canada flights from Washington, D.C. Dulles Intl Airport to Seoul
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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Seoul
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 month to fly to Seoul?
The month of February is another great option to travel to Seoul, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $977.
What is the cheapest day to depart on your flight to Seoul?
According to our data, Wednesday is the cheapest day to fly to Seoul from Washington, D.C. Dulles Intl Airport. The lowest ticket price found for a Wednesday departure recently was $1,530. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Thursday, with ticket prices averaging around $1,686.
What is the cheapest time of day to depart on your flight to Seoul?
Flying to Seoul from Washington, D.C. Dulles Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,179 when looking at flights departing in the evening. At noon is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,735 per ticket.
What is the cheapest Washington, D.C. Dulles Intl to Seoul flight route?
Fly from Washington, D.C. Dulles Intl to Incheon Intl for the best Washington, D.C. Dulles Intl - Seoul flight prices
How far in advance should I book a flight to Seoul?
You are more likely to see cheaper flights to Seoul from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,782 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from Washington, D.C. Dulles Intl Airport for as low as $1,374 on momondo.
What cabin class options are available on Washington, D.C. Dulles Intl to Seoul flights?
There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to Seoul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Seoul?
WestJet and Turkish Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Seoul
What airlines fly to Seoul?
Korean Air, Air Canada and American Airlines are the top three most popular airlines that fly to Seoul from Washington, D.C. Dulles Intl Airport 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 Seoul. Keep in mind that there are 8 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.
How many flights depart from Washington, D.C. Dulles Intl Airport to Seoul on average per day?
As of July 2025, 2 flights take off from Washington, D.C. Dulles Intl Airport and land in Seoul each day. The most common flight departure time for this route is 1:00PM, with 100% of daily flights taking off in the afternoon.
How many flights depart from Washington, D.C. Dulles Intl Airport to Seoul on average per week?
As of July 2025, there are 14 flights per week flying from Washington, D.C. Dulles Intl Airport to Seoul. 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 Washington, D.C. Dulles Intl Airport to Seoul
Cheap Washington, D.C. Dulles Intl Airport to Seoul (IAD to SEL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Seoul
How far is Washington, D.C. Dulles Intl to Seoul by plane?
The straight-line distance from Washington, D.C. Dulles Intl to Seoul is 6922.8 mi. Flights usually cover this in 17h 40m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Seoul?
Prices for flights from Washington, D.C. Dulles Intl Airport to Seoul are updated daily.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Seoul?
There are 8 operators available for flights from Washington, D.C. Dulles Intl Airport to Seoul as of July 2025.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Seoul?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Seoul.
What documentation or ID do you need to fly to Seoul?
The travel and health documents required for your trip to Seoul can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seoul. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Seoul?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Washington, D.C. Dulles Intl Airport to Seoul is Boeing 777-300ER (97.67% of total bookings). The next most popular plane models are Boeing 747 (1.29%), Boeing 787-8 Dreamliner (0.39%), and Boeing 777 (0.26%).
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Seoul?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. Dulles Intl Airport to Seoul is Korean Air (40% of total bookings). The next most popular airlines are American Airlines (20%), Air Canada (17%), and Turkish Airlines (16%).
Best airlines flying from Washington, D.C. Dulles Intl Airport to Seoul
Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Seoul with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $367 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $591 | Free Cancellation | Rating 7.2 92 reviews | |||
| PriceFrom $759 | Free Cancellation | Rating 8.2 452 reviews | |||
| PriceFrom $801 | Free Cancellation | Rating 7.3 3,895 reviews | |||
| PriceFrom $865 | Free Cancellation | Rating 7.1 9,678 reviews | |||
| PriceFrom $876 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $1,545 | Free Cancellation | Rating 8.4 1,101 reviews | |||
| PriceFrom $1,575 | Free Cancellation | Rating 8.0 7,983 reviews |
Korean Air Flights From Washington, D.C. Dulles Intl Airport to Seoul
The lowest priced Korean Air flight from Washington, D.C. Dulles Intl Airport to Seoul from the last 72 hours was $1,545. Generally, Korean Air has 7 flights on this route every week with an average price of $1,858. Korean Air is rated 8.4/10 by our users.
Delta Flights From Washington, D.C. Dulles Intl Airport to Seoul
Another popular option for Washington, D.C. Dulles Intl Airport to Seoul flights is Delta (8.0/10, 7,982 ratings). Delta flies from Washington, D.C. Dulles Intl Airport to Seoul around 7 times per week, with deals starting from $1,575 round-trip and rising to an average price of around $2,118.
Why use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Seoul?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Seoul. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Washington, D.C. to Seoul with flexible booking policies on momondo?
Yes. All flights to Seoul from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Washington, D.C. to Seoul?
momondo provides multiple filters to help you find the best flight to Seoul from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Washington, D.C. to Seoul right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Washington, D.C. to Seoul 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.