$459 Find Cheap Flights from Washington Dulles Airport to Seoul Incheon Airport - Compare and Save
This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Dulles Intl to Incheon departing on 8/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Cheap Flights from Dulles Intl to Incheon (IAD-ICN)
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dulles Intl to Incheon that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.
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Direct
Recent round-trip flight deals from Dulles Intl to Incheon
Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to Incheon Intl Airport flights
Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport with more confidence.
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How much is a round-trip flight from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?
This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport departing in January.
Round-trip flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport start at $952. Prices are below average for this route right now, with typical round-trip fares ranging from $1,218 to $1,802. The lowest price found in the past 5 days was $952 on Qatar Airways.
What's the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?
Wednesday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport, it is 6% cheaper than the average day. Saturday is the most expensive day with flight prices 13% higher than average. Based on deals found by KAYAK users in the last 12 months.
What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?
KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport, removes the top 0.1% to account for outliers and then takes the median of all values for each month.
September is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport at $1,297 round-trip.
December ($2,181) and January ($1,717) are the most expensive months.
The price difference between flying in the cheapest and most expensive months is 68% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.
When are prices from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport the cheapest?
Flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport are cheapest 11 weeks before departure. Booking in this window typically costs about 26% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.
What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?
Qatar Airways ($952) and Air China ($957) are the cheapest airlines to fly round-trip from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport according to KAYAK data over the last 5 days.
Which airline offers the most nonstop flights between Washington, D.C. Dulles Intl Airport and Incheon Intl Airport?
Korean Air and AIR PREMIA offer the most frequent nonstop flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport, at 7 and 4 flights per week respectively. Based on KAYAK flight data over the last 3 months.
How often are flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport delayed?
Over the last 12 months Washington, D.C. Dulles Intl Airport to Incheon Intl Airport flights were delayed in 23% of cases. Delayed flights averaged 136 minutes behind schedule.
What is the most punctual time of day to fly from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?
Morning flights have the fewest delays. Afternoon departures experience delays most often. Based on KAYAK data over the past 3 months.
Which day of the week has the fewest delays on Washington, D.C. Dulles Intl Airport to Incheon Intl Airport flights?
Wednesday has the fewest flight delays on the Washington, D.C. Dulles Intl Airport to Incheon Intl Airport route, at only 17% of flights delayed.
Friday has the most delays at 29%. Based on KAYAK data over the past 3 months.
Which airline is the most punctual on Washington, D.C. Dulles Intl Airport to Incheon Intl Airport flights?
AIR PREMIA is the most punctual airline on Washington, D.C. Dulles Intl Airport to Incheon Intl Airport flights, KAYAK's system tracked that 95% of flights were on time in the past 3 months.
What is the most popular layover airport when flying from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?
KAYAK data for 1-stop round-trips over the past 3 months. Only counts itineraries with the same layover on both legs.
Istanbul (IST) is the most popular layover for the Washington, D.C. Dulles Intl Airport to Incheon Intl Airport route. 31% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via IST.
What is the cheapest layover airport when flying from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?
Flights via Detroit Metropolitan Wayne County (DTW) offer the most affordable fares, with an average round-trip price of $276. Based on KAYAK data over the past 3 months.
When flying from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport which airport offers the shortest layover?
Detroit Metropolitan Wayne County (DTW) had the shortest average connection time for Washington, D.C. Dulles Intl Airport to Incheon Intl Airport layovers at 297 minutes over the past 3 months.
How many nonstop flights run daily between Washington, D.C. Dulles Intl Airport and Incheon Intl Airport?
There are 1 to 2 flights per day from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport, about 11 flights per week. Monday has the most departures, with 18% of weekly flights.
What time of day do most flights depart from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?
Based on KAYAK flight schedules for the upcoming 3 months.
Most nonstop flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport depart in the afternoon, accounting for 100% of nonstop departures. Around 1 flights are scheduled in that window over the next three months.
Expert advice for your flight from Dulles Intl to Incheon
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Robert Schrader
Expert on ICN
One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.
Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.
Key details for Washington, D.C. Dulles Intl Airport to Incheon Intl Airport flights
Low season
January
High season
June
Cheapest flight
$472
Best time to beat the crowds but there is an average 10% increase in price.
Most popular time to fly with an average 7% increase in price.
Flight from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport
When to book flights from Dulles Intl to Incheon
Are your dates flexible? Find out the best times to travel from Dulles Intl to Incheon based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.
Your Washington, D.C. Dulles Intl Airport to Incheon Intl Airport flight questions, answered
Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.
Do US citizens need a visa to fly to Incheon, Korea?
US citizens traveling to Korea for tourism or short-term business purposes do not need a visa if they plan to exit the country within 90 days. if you are going to Korea for another reason, such as to teach English, you need a visa.
Does Washington Dulles International Airport (IAD) have any lounges where I can wait for my Incheon flight?
Yes. A prepaid lounge pass can get you access to the Air France - KLM Lounge on Concourse A or the Turkish Airlines Lounge on Concourse B. On Concourse C, United Airlines ticket holders can pay an entrance fee to access the United Club.
Which airlines have hubs at Washington Dulles International Airport (IAD) and the two airports in Incheon?
IAD serves as a hub for a number of airlines, including United Airlines and SkyWest Airlines. Both ICN and GMP are hubs for Korean Air, Asiana Airlines, Jeju Air, and others. Korean Air is one of the airlines that offers a non-stop flight between IAD and ICN.
What common layover cities on flights from Washington Dulles International Airport (IAD) to Incheon, Korea?
Affordable flights on Turkish Airlines stop in Istanbul, while Air Canada flights tend to stop in Toronto (YYZ). Cheap flights on American tend to stop in Dallas while cheap flights on Delta tend to stop in Seattle.
Which airlines offer extra legroom and free seat selection on Washington, D.C. Dulles Intl Airport to Incheon Intl Airport flights?
Among airlines operating Washington, D.C. Dulles Intl Airport to Incheon Intl Airport flights:
• AIR PREMIA: offers extra legroom; offers free seat selection • Korean Air: offers extra legroom; offers free seat selection • Delta: offers extra legroom; offers free seat selection
Extra legroom and free seat selection availability depends on fare class and route.
What airlines are available from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?
2 airlines operate flights between Washington, D.C. Dulles Intl Airport and Incheon Intl Airport. The airlines offering nonstop flights on this route include:
• Korean Air • AIR PREMIA
Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?
Flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Incheon Intl (ICN).
Which airlines include bags at no extra cost on Washington, D.C. Dulles Intl Airport to Incheon Intl Airport flights?
Here are some options for this route, based on selected ticket types and cabin classes:
• AIR PREMIA: a cabin bag and a checked bag in Economy Class • Korean Air: a cabin bag and a checked bag in Economy Class • Delta: a cabin bag and a checked bag in Economy Class
Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.
What cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?
Four cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport:
• Economy Class • Premium Economy Class • Business Class • First Class
Prices vary by airline.
How much can I save by taking a layover when flying from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?
On this route, layover flights are cheaper than nonstop options on average. Layover fares average $276 round-trip via Detroit Metropolitan Wayne County (DTW), compared to $1,582 for nonstop.
Which aircraft model is used most often on flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?
The Boeing 777-300ER family is used most often on this route, operated mainly by Korean Air and Delta. Other aircraft seen on the route include Boeing 787-9 Dreamliner variants.
Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport pass through?
One-stop flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport most commonly connect through:
• Istanbul (IST) - 31% of one-stop connections • Seattle/Tacoma Intl (SEA) - 23% of one-stop connections • Dallas/Fort Worth (DFW) - 9% of one-stop connections • San Francisco (SFO) - 9% of one-stop connections
Istanbul (IST) handles the largest share of one-stop connections on this route.
Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?
Yes. Being flexible with your travel dates can save you up to 17% on the Washington, D.C. Dulles Intl Airport to Incheon Intl Airport route. Wednesday is the cheapest departure day at $1,468 round-trip on average, while Saturday is the most expensive at $1,764, a difference of $296. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
At what point is a flight considered delayed from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?
A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Washington, D.C. Dulles Intl Airport to Incheon Intl Airport route, 23% of flights were delayed in the past 3 months, with delays averaging 2 hours 16 minutes.
How are flight departures from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport spread across the day?
Afternoon is the busiest departure period on Washington, D.C. Dulles Intl Airport to Incheon Intl Airport flights, with 100% of flights leaving in that window. Morning departures account for 0%, evening flights for 0%, and night flights for 0%.
What popular places can I visit in Incheon Intl Airport?
Some of the most popular sights in Incheon Intl Airport are Unseo Station, Incheon International Airport Terminal 1 Station and Songdo Convensia. These are among the most viewed places in Incheon Intl Airport on KAYAK.
What are the earliest and latest flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?
These are the earliest and latest flight times available from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport:
• Earliest: departs at 12:35 am and lands at 4:10 pm • Latest: departs at 11:35 pm and lands at 3:10 pm.
The flight takes about 15h 35m.
How expensive are last-minute Washington, D.C. Dulles Intl Airport to Incheon Intl Airport flights?
Last-minute fares on this route - booked within 2 weeks of departure - run 12% above the route average of $1,555. Book 11 weeks before departure for the lowest fares.
How long is a flight from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?
A nonstop flight from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport takes 15h 35m, covering 6,939 miles.
Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How are flight prices from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport looking right now?
One-way fares from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport are currently lower than usual. Average one-way flight prices are about $551, which is 26% below the typical average for this route.
How do delay rates compare for morning and evening flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?
Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.
How much time can I save by choosing a different layover airport from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?
Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 8h 02m, compared with 18h 22m via Newark (EWR) and 18h 31m via Atlanta Hartsfield-Jackson (ATL).
What is the time difference between Washington, D.C. Dulles Intl Airport and Incheon Intl Airport?
Incheon Intl Airport is 13 hours ahead of Washington, D.C. Dulles Intl Airport (Korean Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Incheon Intl Airport (ICN)?
Incheon Intl Airport (ICN) hosts 5 major car rental companies, with daily rates starting from around $12 for economy cars. Top options include: · WECAR · Wheego · Yesaway · Alamo · Enterprise Rent-A-Car
How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to Incheon Intl Airport flight?
Round-trip flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport range from $1,218 to $1,802, with an average of $1,555 over the past 12 months. Anything below $1,218 counts as a good deal.
Your guide to booking Washington, D.C. Dulles Intl Airport to Incheon Intl Airport flights
Get tips on when to book, when to fly and what to know before your trip.
If your dates can be flexible, aim for a Wednesday departure instead of Saturday. On this route, Wednesday flights average $1,468 - about $296 less than Saturday (17% savings) based on the last 12 months.
For the best chance at a low fare, aim to book around 11 weeks before you fly. On this route, that window historically saves about 26% versus last-minute pricing (KAYAK booking data, last 12 months).
If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Incheon Intl Airport trip for September. Fares historically average $1,297 round-trip in that month - typically $884 less than the most expensive month, which is December (based on the last 12 months).
If arriving on time is high on your priority list, AIR PREMIA is the strongest pick on this route. 95% of AIR PREMIA flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 77%. When flights on this route do arrive late, the average delay is 2 hours 16 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
If you have the time, taking a 1-stop flight through Detroit Metropolitan Wayne County Airport (DTW) can be cheaper than flying direct. The cheapest layover option averages $276 round-trip on this route - about $1,306 less than direct flights (based on the last 12 months).
Flights from Washington Dulles International Airport (IAD) to Incheon, Korea will land at either Incheon International Airport (ICN) or Gimpo International Airport (GMP). GMP is around 8 miles from the city of Incheon. While ICN is a larger and newer airport, GMP is a destination for some cheap flights that depart IAD aboard Alaska Airlines.
When you book a ticket from IAD to ICN on Turkish Airlines, you can enjoy a more comfortable flight. Instead of booking an EcoFly class ticket, for a few dollars more you book a Semi-Flexible ticket, which includes meals and roomier seats. For a few hundred dollars more, you can book of Flexible ticket, which offers superior dining, comfort, and entertainment options, as well as high-end toiletries.
When you are booking a cheap flight from IAD to Incheon, consider booking a flight that includes the final leg on China Airlines. Their economy flights generally have about 1 inch more of seat space between economy ticket rows than other flights on this route.
If you are sending an unaccompanied minor on a flight from IAD to Incheon, consider booking a flight on Turkish Airlines. Cheap tickets on Turkish Airlines usually have only one stop in Istanbul. If your child is 2 to 6 years old, a crew member will be with them every step of the way. A crew member will always escort unaccompanied minors on and off the plane and stay with them throughout the connections. Parents may request which language the attending crew member speaks.
There are several ways to access IAD from Washington DC via public transportation. A Washington Metropolitan Area Transit Authority bus can get you there, usually in about half an hour. The Silver Line subway also goes to the airport and takes a little less than an hour.
Prefer to fly direct from Washington Dulles Airport to Seoul Incheon Airport?
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Washington, D.C. Dulles Intl to Incheon Intl.
Find which airlines fly direct from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport, which days they fly and book direct flights.
Direct departures
Washington, D.C. Dulles Intl to Incheon Intl
Monday
AIR PREMIA,Korean Air
AIR PREMIA,Korean Air
Tuesday
Korean Air,AIR PREMIA
Korean Air,AIR PREMIA
Wednesday
AIR PREMIA,Korean Air
AIR PREMIA,Korean Air
Thursday
Korean Air,AIR PREMIA
Korean Air,AIR PREMIA
Friday
AIR PREMIA,Korean Air
AIR PREMIA,Korean Air
Saturday
Korean Air,AIR PREMIA
Korean Air,AIR PREMIA
Sunday
AIR PREMIA,Korean Air
AIR PREMIA,Korean Air
See more direct flights
Direct returns
Incheon Intl to Washington, D.C. Dulles Intl
Monday
AIR PREMIA,Korean Air
AIR PREMIA,Korean Air
Tuesday
Korean Air
Korean Air
Wednesday
AIR PREMIA,Korean Air
AIR PREMIA,Korean Air
Thursday
Korean Air
Korean Air
Friday
AIR PREMIA,Korean Air
AIR PREMIA,Korean Air
Saturday
Korean Air
Korean Air
Sunday
AIR PREMIA,Korean Air
AIR PREMIA,Korean Air
See more direct flights
Everything you need to know for your flight from Dulles Intl to Incheon
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Cabin classes available on flights to Dulles Intl. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
Flights from all regions of Dulles Intl to Incheon. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
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