$393 Find Cheap Flights from Washington, D.C. 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 Washington, D.C. to Incheon Intl departing on 11/6. 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 Washington, D.C. to Incheon Intl (WAS-ICN)
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington, D.C. to Incheon Intl 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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Last minute
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Recent round-trip flight deals from Washington, D.C. to Incheon Intl
Price, demand and travel trends for Washington, D.C. 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. to Incheon Intl Airport with more confidence.
Prices
Airlines
Delays
Layovers
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What is the cheapest Washington, D.C. to Incheon Intl Airport flight route?
KAYAK tracks online flight deals over the last 12 months and analyzes pricing trends to identify the best available fares.
There's little price difference between Washington, D.C. to Incheon Intl Airport routes. They average around $1,525 round-trip, based on KAYAK data over the past 12 months.
What's the cheapest day of the week to fly from Washington, D.C. to Incheon Intl Airport?
Sunday is the cheapest day of the week to fly from Washington, D.C. to Incheon Intl Airport, it is 6% cheaper than the average day. Saturday is the most expensive day with flight prices 12% 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. 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. 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. to Incheon Intl Airport at $1,291 round-trip.
December ($2,167) and January ($1,733) are the most expensive months.
The price difference between flying in the cheapest and most expensive months is 67% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.
When are prices from Washington, D.C. to Incheon Intl Airport the cheapest?
Flights from Washington, D.C. to Incheon Intl Airport are cheapest 11 weeks before departure. Booking in this window typically costs about 24% 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. to Incheon Intl Airport?
AIR PREMIA ($957) and Air China ($958) are the cheapest airlines to fly round-trip from Washington, D.C. to Incheon Intl Airport according to KAYAK data over the last 5 days.
Which airline offers the most nonstop flights between Washington, D.C. and Incheon Intl Airport?
Korean Air and AIR PREMIA offer the most frequent nonstop flights from Washington, D.C. to Incheon Intl Airport, at 7 and 3 flights per week respectively. Based on KAYAK flight data over the last 3 months.
How often are flights from Washington, D.C. to Incheon Intl Airport delayed?
Over the last 12 months Washington, D.C. to Incheon Intl Airport flights were delayed in 23% of cases. Delayed flights averaged 135 minutes behind schedule.
What is the most punctual time of day to fly from Washington, D.C. 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. to Incheon Intl Airport flights?
Wednesday has the fewest flight delays on the Washington, D.C. to Incheon Intl Airport route, at only 16% 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. to Incheon Intl Airport flights?
AIR PREMIA is the most punctual airline on Washington, D.C. to Incheon Intl Airport flights, KAYAK's system tracked that 97% of flights were on time in the past 3 months.
What is the most popular layover airport when flying from Washington, D.C. 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.
Toronto Pearson Intl (YYZ) is the most popular layover for the Washington, D.C. to Incheon Intl Airport route. 27% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via YYZ.
What is the cheapest layover airport when flying from Washington, D.C. to Incheon Intl Airport?
Flights via Beijing Capital (PEK) offer the most affordable fares, with an average round-trip price of $976. Based on KAYAK data over the past 3 months.
Which route, including a layover, takes the shortest amount of time from Washington, D.C. to Incheon Intl Airport?
Montreal Pierre Elliott Trudeau Intl (YUL) offers the shortest 1-stop connection from Washington, D.C. to Incheon Intl Airport at 17h 15m one-way, 1h 36m longer than the 15h 39m direct flight. Based on KAYAK data over the past 3 months.
When flying from Washington, D.C. to Incheon Intl Airport which airport offers the shortest layover?
Montreal Pierre Elliott Trudeau Intl (YUL) had the shortest average connection time for Washington, D.C. to Incheon Intl Airport layovers at 570 minutes over the past 3 months.
How many nonstop flights run daily between Washington, D.C. and Incheon Intl Airport?
There are 1 to 2 flights per day from Washington, D.C. to Incheon Intl Airport, about 10 flights per week. Monday has the most departures, with 20% of weekly flights.
What time of day do most flights depart from Washington, D.C. to Incheon Intl Airport?
Based on KAYAK flight schedules for the upcoming 3 months.
Most nonstop flights from Washington, D.C. 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 Washington, D.C. to Incheon Intl
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. to Incheon Intl Airport flights
Low season
January
High season
June
Cheapest flight
$393
Best time to beat the crowds but there is an average 12% increase in price.
Most popular time to fly with an average 8% increase in price.
Flight from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport
When to book flights from Washington, D.C. to Incheon Intl
Are your dates flexible? Find out the best times to travel from Washington, D.C. to Incheon Intl 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. to Incheon Intl Airport flight questions, answered
Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.
Are pets allowed on board when flying from Washington, D.C. to Incheon?
When traveling from Washington, D.C. to Incheon, you have the option to take your pet on several airlines, such as Korean Air, Asiana Airlines, United, Delta, and American Airlines. Small dogs, cats, and birds are permitted either in the cabin or as checked baggage. The pet carrier should be appropriately sized to fit under the seat in front of you.
Is it possible to upgrade my class on a flight between Washington, D.C. and Incheon?
When traveling from Washington, D.C. to Incheon with Korean Air, Asiana Airlines, United Airlines, Delta Air Lines, or American Airlines, passengers have the option to upgrade to higher classes such as Business Class, Premium Economy, or First Class. These airlines offer upgrade choices that include participating in a bidding process, paying for an upgrade, or utilizing frequent flyer points if you are a member of their loyalty program.
Which airlines has relaxed carry-on-policy when traveling from Washington, D.C. to Incheon?
If you plan to travel from Washington, D.C. to Incheon with multiple bags, it's recommended to choose an airline with more relaxed carry-on baggage policies. Korean Air, American Airlines, and Delta Air Lines permit passengers to bring one carry-on bag along with a personal item, such as a purse or laptop bag, on their flights.
Which means of transport can I use to reach my destination from Incheon International Airport (ICN)?
From ICN Airport, you have various transportation choices to reach your destination. One option is the Airport Railroad Express (AREX), a speedy and effective train service connecting Incheon Airport to Seoul Station. If you prefer driving, you can rent a car directly from the airport. Alternatively, taxis are readily available at designated stands, providing convenient door-to-door services.
Which airlines offer extra legroom and free seat selection on Washington, D.C. to Incheon Intl Airport flights?
Among airlines operating Washington, D.C. 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. to Incheon Intl Airport?
2 airlines operate flights between Washington, D.C. 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. to Incheon Intl Airport?
Flights from Washington, D.C. to Incheon Intl Airport may depart from several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD). Flights usually arrive at Incheon Intl (ICN).
Which airlines include bags at no extra cost on Washington, D.C. 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. to Incheon Intl Airport?
Four cabin classes are available on flights from Washington, D.C. 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. to Incheon Intl Airport?
On this route, layover flights are cheaper than nonstop options on average. Layover fares average $976 round-trip via Beijing Capital (PEK), compared to $1,582 for nonstop.
Which airports do connecting flights from Washington, D.C. to Incheon Intl Airport pass through?
One-stop flights from Washington, D.C. to Incheon Intl Airport most commonly connect through:
• Toronto Pearson Intl (YYZ) - 27% of one-stop connections • Istanbul (IST) - 21% of one-stop connections • Seattle/Tacoma Intl (SEA) - 12% of one-stop connections • Dallas/Fort Worth (DFW) - 11% of one-stop connections
Toronto Pearson Intl (YYZ) 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. to Incheon Intl Airport?
On the Washington, D.C. to Incheon Intl Airport route, being flexible with your departure day can save you up to 16%. Sunday is the cheapest day at $1,470 round-trip on average, while Saturday is the most expensive at $1,749: a $279 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
At what point is a flight considered delayed from Washington, D.C. 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. to Incheon Intl Airport route, 23% of flights were delayed in the past 3 months, with delays averaging 2 hours 15 minutes.
How are flight departures from Washington, D.C. to Incheon Intl Airport spread across the day?
Afternoon is the busiest departure period on Washington, D.C. 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. to Incheon Intl Airport?
These are the earliest and latest flight times available from Washington, D.C. to Incheon Intl Airport:
• Earliest: departs at 12:35 am and lands at 4:14 pm • Latest: departs at 11:35 pm and lands at 3:14 pm.
The flight takes about 15h 39m.
How expensive are last-minute Washington, D.C. to Incheon Intl Airport flights?
Last-minute fares on this route - booked within 2 weeks of departure - run 15% above the route average of $1,548. Book 11 weeks before departure for the lowest fares.
How long is a flight from Washington, D.C. to Incheon Intl Airport?
A nonstop flight from Washington, D.C. to Incheon Intl Airport takes 15h 39m, covering 6,949 miles.
Do I need a passport to fly from Washington, D.C. 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. to Incheon Intl Airport looking right now?
One-way fares from Washington, D.C. to Incheon Intl Airport are currently lower than usual. Average one-way flight prices are about $494, which is 35% below the typical average for this route.
How do delay rates compare for morning and evening flights from Washington, D.C. 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. to Incheon Intl Airport?
Flying via Montreal Pierre Elliott Trudeau Intl (YUL) gives the shortest average 1-stop total travel time at 17h 15m, compared with 18h 09m via Toronto Pearson Intl (YYZ) and 18h 14m via Atlanta Hartsfield-Jackson (ATL).
What is the time difference between Washington, D.C. and Incheon Intl Airport?
Incheon Intl Airport is 13 hours ahead of Washington, D.C. (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. to Incheon Intl Airport flight?
Round-trip flights from Washington, D.C. to Incheon Intl Airport range from $1,221 to $1,800, with an average of $1,548 over the past 12 months. Anything below $1,221 counts as a good deal.
Your guide to booking Washington, D.C. 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 Sunday departure instead of Saturday. On this route, Sunday flights average $1,470 - about $279 less than Saturday (16% 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 24% versus last-minute pricing (KAYAK booking data, last 12 months).
If you can choose when to travel, plan your Washington, D.C. to Incheon Intl Airport trip for September. Fares historically average $1,291 round-trip in that month - typically $876 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. 97% of AIR PREMIA flights from Washington, D.C. 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 15 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 Beijing Capital Airport (PEK) can be cheaper than flying direct. The cheapest layover option averages $976 round-trip on this route - about $606 less than direct flights (based on the last 12 months).
Booking flights with United Airlines, whose hub is at Dulles International Airport (IAD), has several perks. You have a far higher chance of finding a flight that works with your travel schedule, because there are daily flights between Washington, D.C. and Incheon.
Several of the most common layover points for flights departing from Washington, D.C. and heading to Incheon include Hartsfield-Jackson Atlanta International Airport (ATL) in Atlanta, used by Delta Air Lines, and either Dallas (DFW) or Los Angeles (LAX), preferred by American Airlines. In the case of United Airlines, travelers can expect a layover in San Francisco (SFO) or Chicago (ORD) before continuing their journey to Seoul-Incheon (ICN).
American Airlines, Korean Air, Air Canada, and Turkish Airlines are among the carriers that accommodate families traveling with children on their flights from Washington, D.C. to Incheon. These airlines provide family seating choices, children's meals, early boarding for passengers with young kids, and entertainment options designed to be kid friendly.
Passengers with disabilities, especially those with limited mobility, have the option to book flights with Asiana Airlines, Turkish Airlines, Delta Air Lines, United Airlines, or Korean Air. These airlines provide a range of services to assist such passengers, including support with boarding and deplaning, wheelchair assistance, and specially trained staff.
When traveling from Washington, D.C. to Incheon, you have the option to choose an eco-conscious airline. Delta Air Lines has made significant strides in minimizing its environmental footprint. They have been actively involved in sustainability initiatives, which involve lowering carbon emissions, investing in sustainable aviation fuel, and adopting eco-friendly practices throughout their operations.
Prefer to fly direct from Washington, D.C. 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. to Incheon Intl.
Find which airlines fly direct from Washington, D.C. to Incheon Intl Airport, which days they fly and book direct flights.
Direct departures
Washington, D.C. to Incheon Intl
Monday
AIR PREMIA,Korean Air
AIR PREMIA,Korean Air
Tuesday
AIR PREMIA,Korean Air
AIR PREMIA,Korean Air
Wednesday
AIR PREMIA,Korean Air
AIR PREMIA,Korean Air
Thursday
AIR PREMIA,Korean Air
AIR PREMIA,Korean Air
Friday
AIR PREMIA,Korean Air
AIR PREMIA,Korean Air
Saturday
AIR PREMIA,Korean Air
AIR PREMIA,Korean Air
Sunday
AIR PREMIA,Korean Air
AIR PREMIA,Korean Air
See more direct flights
Direct returns
Incheon Intl to Washington, D.C.
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
More options for your flight from Washington, D.C. to Incheon Intl
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Cabin class types available on flights to Incheon Intl
Cabin classes available on flights from Washington, D.C. to Incheon 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.
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