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Cheap flights from Washington, D.C. Dulles Intl Airport to Seoul from $408

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 8/25. 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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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Seoul

Cheap round-trip flights

Air Canada Logo
5:31 pm - 4:15 pmIAD-ICN
33h 44m1 stop
Air Canada Logo
5:45 pm - 6:31 amICN-IAD
25h 46m1 stop
$973Air Canada
Find Deal
dom., ago. 10 - jue., sep. 18
Air Canada Logo
9:35 am - 4:15 pmIAD-ICN
17h 40m1 stop
Air Canada Logo
5:45 pm - 9:38 amICN-IAD
28h 53m2 stops
$979Air Canada
Find Deal
lun., ago. 11 - lun., sep. 22
Air Canada Logo
9:35 am - 4:15 pmIAD-ICN
17h 40m1 stop
Air Canada Logo
5:45 pm - 6:31 amICN-IAD
25h 46m1 stop
$984Air Canada
Find Deal
lun., ago. 11 - jue., sep. 18
Air Canada Logo
9:35 am - 4:15 pmIAD-ICN
17h 40m1 stop
Air Canada Logo
7:05 pm - 9:38 amICN-IAD
27h 33m1 stop
$990Air Canada
Find Deal
lun., ago. 11 - lun., sep. 15
Air Canada Logo
8:19 am - 4:05 pmIAD-ICN
18h 46m1 stop
Air Canada Logo
7:05 pm - 1:38 pmICN-IAD
31h 33m1 stop
$1,017Air Canada
Find Deal
mar., ago. 12 - dom., sep. 14
Turkish Airlines Logo
1:30 pm - 8:40 amIAD-ICN
30h 10m1 stop
Turkish Airlines Logo
10:20 am - 7:45 pmICN-IAD
46h 25m1 stop
$1,019Turkish Airlines
Find Deal
lun., ago. 11 - vie., sep. 19
Turkish Airlines Logo
1:30 pm - 5:40 pmIAD-ICN
39h 10m1 stop
Turkish Airlines Logo
12:10 am - 11:45 amICN-IAD
25h 35m1 stop
$1,023Turkish Airlines
Find Deal
lun., oct. 20 - lun., nov. 17
Air Canada Logo
10:20 am - 5:30 pmIAD-ICN
18h 10m1 stop
Air Canada Logo
5:45 pm - 9:38 amICN-IAD
28h 53m2 stops
$1,024Air Canada
Find Deal
vie., ago. 15 - mar., sep. 23
Turkish Airlines Logo
10:10 pm - 6:20 pmIAD-ICN
31h 10m1 stop
Turkish Airlines Logo
10:45 am - 7:15 pmICN-IAD
46h 30m1 stop
$1,029Turkish Airlines
Find Deal
mié., oct. 29 - mié., nov. 12
Logo
5:31 pm - 4:15 pmIAD-ICN
33h 44m1 stop
Logo
5:00 pm - 6:21 amICN-IAD
50h 21m2 stops
$1,031
Find Deal
dom., ago. 10 - dom., ago. 17

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

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Incheon Intl Airport flight tickets
Air Canada
Aug 10
IAD5:31 pmWashington, D.C. Dulles Intl
33h 44m
1 stop
ICN4:15 pmIncheon Intl
Sep 18
ICN5:45 pmIncheon Intl
25h 46m
1 stop
IAD6:31 amWashington, D.C. Dulles Intl
$973
Find similar
Air Canada
Aug 11
IAD9:35 amWashington, D.C. Dulles Intl
17h 40m
1 stop
ICN4:15 pmIncheon Intl
Sep 22
ICN5:45 pmIncheon Intl
28h 53m
2 stops
IAD9:38 amWashington, D.C. Dulles Intl
$979
Find similar
Air Canada
Aug 11
IAD9:35 amWashington, D.C. Dulles Intl
17h 40m
1 stop
ICN4:15 pmIncheon Intl
Sep 18
ICN5:45 pmIncheon Intl
25h 46m
1 stop
IAD6:31 amWashington, D.C. Dulles Intl
$984
Find similar

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
Aug 11
IAD1:30 pmWashington, D.C. Dulles Intl
30h 10m
1 stop
ICN8:40 amIncheon Intl
Sep 19
ICN10:20 amIncheon Intl
46h 25m
1 stop
IAD7:45 pmWashington, D.C. Dulles Intl
$1,019
Find similar
Turkish Airlines
Oct 20
IAD1:30 pmWashington, D.C. Dulles Intl
39h 10m
1 stop
ICN5:40 pmIncheon Intl
Nov 17
ICN12:10 amIncheon Intl
25h 35m
1 stop
IAD11:45 amWashington, D.C. Dulles Intl
$1,023
Find similar
Turkish Airlines
Oct 29
IAD10:10 pmWashington, D.C. Dulles Intl
31h 10m
1 stop
ICN6:20 pmIncheon Intl
Nov 12
ICN10:45 amIncheon Intl
46h 30m
1 stop
IAD7:15 pmWashington, D.C. Dulles Intl
$1,029
Find similar

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 $1,214, 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 $1,501.

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 $1,507. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,671. 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 $1,725 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 weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $1,740 when searching 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 $1,358 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 July 2025, prices for Washington, D.C. Dulles Intl Airport to Incheon Intl Airport flights are approximately 30% 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

$408

Fastest flight time

17h 30m

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 $408. 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 $973.
The fastest flight from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport takes 17h 30m
Direct flights go from Washington, D.C. Dulles Intl Airport to Incheon Intl Airport every day.
Search flight deals

  • 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 17h 30m 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
United AirlinesPriceFrom $367Free CancellationRating
7.4
8,858 reviews
Search United Airlines flights
Air ChinaPriceFrom $591Free CancellationRating
7.2
89 reviews
Search Air China flights
Asiana AirlinesPriceFrom $759Free CancellationRating
8.2
454 reviews
Search Asiana Airlines flights
Turkish AirlinesPriceFrom $800Free CancellationRating
7.3
3,901 reviews
Search Turkish Airlines flights
Air CanadaPriceFrom $866Free CancellationRating
7.1
9,725 reviews
Search Air Canada flights
American AirlinesPriceFrom $876Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Korean AirPriceFrom $1,548Free CancellationRating
8.4
1,109 reviews
Search Korean Air flights
DeltaPriceFrom $1,575Free CancellationRating
8.0
7,956 reviews
Search Delta 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 $1,548 round-trip. Over the 7 Korean Air flights for this route in a normal week, average airfare is usually $1,855 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 $2,108, however, with flight time and availability significantly affecting the price. Delta (8.0/10 from 7,953 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?

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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.

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