Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport from $473

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 Incheon Intl Airport departing on 5/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Seoul

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. Dulles Intl Airport to Seoul that have been recently found on momondo from popular airlines, departing in the coming months.
6:00 pm - 4:35 pmIAD-ICN
33h 35m1 stop
5:50 pm - 3:40 pmICN-IAD
34h 50m1 stop
$591Air China
Find Deal
Sat, Apr 5 - Fri, Apr 11
6:00 pm - 9:45 pmIAD-ICN
38h 45m1 stop
1:05 pm - 3:40 pmICN-IAD
39h 35m1 stop
$608Air China
Find Deal
Tue, Apr 8 - Mon, Apr 14
3:00 pm - 6:20 pmIAD-ICN
38h 20m1 stop
11:20 pm - 10:45 amICN-IAD
24h 25m1 stop
$735Turkish Airlines
Find Deal
Sun, Mar 23 - Sun, Mar 30
9:40 pm - 5:40 pmIAD-ICN
31h 00m1 stop
11:20 pm - 10:45 amICN-IAD
24h 25m1 stop
$744Turkish Airlines
Find Deal
Mon, Mar 31 - Fri, Jun 27
6:45 pm - 6:45 pmIAD-ICN
35h 00m1 stop
8:45 pm - 5:54 pmICN-IAD
34h 09m1 stop
$1,004WestJet
Find Deal
Wed, May 21 - Thu, Jun 12
7:00 am - 7:50 pmIAD-ICN
23h 50m1 stop
12:50 pm - 5:55 amICN-IAD
30h 05m2 stops
$1,066
Find Deal
Mon, May 12 - Wed, May 21
5:30 pm - 7:50 pmIAD-ICN
37h 20m2 stops
5:30 pm - 5:40 amICN-IAD
25h 10m1 stop
$1,068
Find Deal
Tue, Apr 8 - Mon, Apr 14
6:45 pm - 6:45 pmIAD-ICN
35h 00m1 stop
8:45 pm - 5:54 pmICN-IAD
34h 09m1 stop
$1,094WestJet
Find Deal
Fri, Jun 6 - Thu, Jun 26
5:44 pm - 4:05 pmIAD-ICN
33h 21m2 stops
5:45 pm - 7:59 amICN-IAD
27h 14m2 stops
$1,151Air Canada
Find Deal
Sun, May 11 - Mon, May 26
10:19 pm - 4:05 pmIAD-ICN
28h 46m2 stops
5:45 pm - 6:21 amICN-IAD
25h 36m1 stop
$1,157Air Canada
Find Deal
Mon, May 19 - Thu, May 29

Air China flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport

Our best Air China deals on Washington, D.C. Dulles Intl Airport to Incheon Intl Airport flight tickets
Air China
Apr 5
IAD6:00 pmWashington, D.C. Dulles Intl
33h 35m
1 stop
ICN4:35 pmIncheon Intl
Apr 11
ICN5:50 pmIncheon Intl
34h 50m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
Air China
Apr 8
IAD6:00 pmWashington, D.C. Dulles Intl
38h 45m
1 stop
ICN9:45 pmIncheon Intl
Apr 14
ICN1:05 pmIncheon Intl
39h 35m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl
Air China
Apr 15
IAD6:00 pmWashington, D.C. Dulles Intl
33h 35m
1 stop
ICN4:35 pmIncheon Intl
Jun 27
ICN1:05 pmIncheon Intl
39h 35m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl

Turkish Airlines flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport

Our best Turkish Airlines deals on Washington, D.C. Dulles Intl Airport to Incheon Intl Airport flight tickets
Turkish Airlines
Mar 23
IAD3:00 pmWashington, D.C. Dulles Intl
38h 20m
1 stop
ICN6:20 pmIncheon Intl
Mar 30
ICN11:20 pmIncheon Intl
24h 25m
1 stop
IAD10:45 amWashington, D.C. Dulles Intl
Turkish Airlines
Mar 31
IAD9:40 pmWashington, D.C. Dulles Intl
31h 00m
1 stop
ICN5:40 pmIncheon Intl
Jun 27
ICN11:20 pmIncheon Intl
24h 25m
1 stop
IAD10:45 amWashington, D.C. Dulles Intl
Turkish Airlines
Mar 22
IAD3:00 pmWashington, D.C. Dulles Intl
29h 05m
1 stop
ICN9:05 amIncheon Intl
Apr 11
ICN11:20 pmIncheon Intl
24h 25m
1 stop
IAD10:45 amWashington, D.C. Dulles Intl

See travel insights to Seoul from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport

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 Incheon Intl Airport?

The cheapest month to fly to Incheon Intl Airport from Washington, D.C. Dulles Intl Airport is in November. Flight prices, which tend to average around $1,508, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of November, then departing from Washington, D.C. Dulles Intl Airport during the month January is also very affordable. Most momondo users find prices during this month for around $1,512.

What is the cheapest day to depart on your flight to Incheon Intl Airport?

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport is on a Wednesday when prices can be found for as low as $1,618. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,793. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

What is the cheapest time of day to depart on your flight to Incheon Intl Airport?

In the evening is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport when you can find flight prices for as low as $1,169. Flying to Incheon Intl Airport in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,775 on average. Flights to Incheon Intl Airport from Washington, D.C. Dulles Intl Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Washington, D.C. Dulles Intl to Incheon Intl flight route?

Fly from Washington, D.C. Dulles Intl to Incheon Intl for the best Washington, D.C. Dulles Intl - Incheon Intl flight prices

How far in advance should I book a flight to Incheon Intl Airport?

You are more likely to see cheaper flights to Incheon Intl Airport from Washington, D.C. Dulles Intl Airport when booking 8 weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $1,808 when searching 8 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from Washington, D.C. Dulles Intl Airport for as low as $1,338 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl to Incheon Intl flights?

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to Incheon Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Washington, D.C. Dulles Intl Airport to Incheon Intl Airport flight prices changed over time?

As of March 2025, prices for Washington, D.C. Dulles Intl Airport to Incheon Intl Airport flights are approximately 26% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Incheon Intl Airport (IAD to ICN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport

Best Price Found

$473

Fastest flight time

15h 25m

Direct flights

Every day
The best one-way flight to Incheon Intl Airport from Washington, D.C. Dulles Intl Airport in the past 72 hours is $473. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport found on momondo in the last 72 hours is $591.
The fastest flight from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport takes 15h 25m
Direct flights go from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport every day.

  • How far is Washington, D.C. Dulles Intl to Incheon Intl by plane?

    Incheon Intl is 6939.0 mi away from Washington, D.C. Dulles Intl. Typically, this will take 18h 00m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?

    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 Washington, D.C. Dulles Intl Airport to Incheon Intl Airport.

  • What documentation or ID do you need to fly to Incheon Intl Airport?

    The travel and health documents you'll need for your trip to Incheon Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Incheon Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport?


Best airlines flying from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $838Free CancellationRating
7.3
3,756 reviews
Search Turkish Airlines flights
Air CanadaPriceFrom $864Free CancellationRating
7.0
8,878 reviews
Search Air Canada flights
American AirlinesPriceFrom $876Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Asiana AirlinesPriceFrom $1,312Free CancellationRating
8.2
441 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,551Free CancellationRating
8.4
1,047 reviews
Search Korean Air flights
KLMPriceFrom $1,559Free CancellationRating
7.8
1,320 reviews
Search KLM flights
DeltaPriceFrom $1,575Free CancellationRating
8.0
7,944 reviews
Search Delta flights
Air FrancePriceFrom $1,583Free CancellationRating
7.4
1,424 reviews
Search Air France flights
United AirlinesPriceFrom $1,798Free CancellationRating
7.4
8,623 reviews
Search United Airlines flights
  • Korean Air Flights From Washington, D.C. Dulles Intl Airport to Incheon Intl Airport

    Korean Air flight deals from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport start from $1,551 round-trip. Over the 7 Korean Air flights for this route in a normal week, average airfare is usually $1,866 round-trip - but some users have found much cheaper deals with momondo.

  • Delta Flights From Washington, D.C. Dulles Intl Airport to Incheon Intl Airport

    $1,575 is the best Delta flight deal from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport found on momondo over the last 72 hours. The average Delta ticket price found was closer to $2,028, however, with flight time and availability significantly affecting the price. Delta (8.0/10 from 7,944 user reviews) flies into Incheon Intl Airport from Washington, D.C. Dulles Intl Airport 7 times in an average week so prices can vary.


Traveling to a place near Seoul?

Book flights to Seoul if you plan to visit one of these locations
Suwon
Seongnam
Daejeon
Anyang

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Seoul?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Seoul. momondo saves you time and could save you money on your trip.

Can I find flights from Washington, D.C. to Seoul with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seoul from Washington, D.C. with this policy.

How can momondo help me find flights from Washington, D.C. to Seoul?

Once you have performed a search for Washington, D.C. to Seoul flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Seoul right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Seoul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


An easier way to manage your Incheon Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Tue 3/18
Tue 3/25

Find better results for your trip to Seoul

Popular cities in South Korea

Popular flights according to clicks in the last 7 days on momondo