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Cheap flights from Incheon Intl Airport to District of Columbia from $383

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Incheon Intl Airport to District of Columbia departing on 1/26. 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 Incheon Intl Airport to District of Columbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:15 pm - 10:22 am
ICN
-
IAD
29h 07m2 stops
American Airlines Logo
6:45 am - 3:30 pm
IAD
-
ICN
19h 45m1 stop
$483American Airlines
Mon, Mar 2 - Mon, Apr 20
American Airlines Logo
7:15 pm - 10:22 am
ICN
-
IAD
29h 07m2 stops
American Airlines Logo
5:37 pm - 3:30 pm
IAD
-
ICN
32h 53m1 stop
$490American Airlines
Tue, Feb 24 - Tue, Mar 31
Hawaiian Airlines Logo
8:35 pm - 4:26 pm
ICN
-
IAD
33h 51m1 stop
Hawaiian Airlines Logo
6:04 pm - 6:35 pm
IAD
-
ICN
34h 31m1 stop
$541Hawaiian Airlines
Thu, Jan 29 - Fri, Feb 6
Hawaiian Airlines Logo
8:35 pm - 4:26 pm
ICN
-
IAD
33h 51m1 stop
Hawaiian Airlines Logo
7:00 am - 6:35 pm
IAD
-
ICN
22h 35m1 stop
$543Hawaiian Airlines
Thu, Jan 29 - Wed, Mar 25
Hawaiian Airlines Logo
8:35 pm - 4:09 pm
ICN
-
DCA
33h 34m1 stop
Hawaiian Airlines Logo
8:00 am - 6:35 pm
DCA
-
ICN
20h 35m1 stop
$543Hawaiian Airlines
Thu, Jan 29 - Sat, Jan 31
Hawaiian Airlines Logo
8:35 pm - 4:26 pm
ICN
-
IAD
33h 51m1 stop
Hawaiian Airlines Logo
6:04 pm - 6:35 pm
IAD
-
ICN
34h 31m1 stop
$546Hawaiian Airlines
Thu, Jan 29 - Wed, Feb 11
Multiple Airlines Logo
8:35 pm - 4:26 pm
ICN
-
IAD
33h 51m1 stop
Multiple Airlines Logo
7:05 am - 6:35 pm
IAD
-
ICN
21h 30m1 stop
$569Multiple Airlines
Mon, Feb 2 - Sat, Feb 28
Multiple Airlines Logo
8:35 pm - 5:40 am
ICN
-
IAD
23h 05m1 stop
Multiple Airlines Logo
7:00 am - 6:35 pm
IAD
-
ICN
22h 35m1 stop
$584Multiple Airlines
Fri, Feb 20 - Wed, Mar 25
United Airlines Logo
12:45 pm - 4:52 pm
ICN
-
DCA
18h 07m1 stop
United Airlines Logo
5:59 pm - 4:15 pm
DCA
-
ICN
32h 16m1 stop
$606United Airlines
Thu, Jan 29 - Thu, Feb 5
United Airlines Logo
6:00 pm - 9:52 pm
ICN
-
DCA
17h 52m1 stop
United Airlines Logo
5:50 pm - 4:15 pm
DCA
-
ICN
32h 25m1 stop
$607United Airlines
Mon, Feb 2 - Sun, Feb 15

American Airlines flights from Incheon Intl Airport to District of Columbia

Our best American Airlines deals on Incheon Intl Airport to District of Columbia flight tickets
American Airlines
Mar 2
ICN7:15 pmIncheon Intl
29h 07m
2 stops
IAD10:22 amWashington, D.C. Dulles Intl
Apr 20
IAD6:45 amWashington, D.C. Dulles Intl
19h 45m
1 stop
ICN3:30 pmIncheon Intl
$483
Find similar
American Airlines
Feb 24
ICN7:15 pmIncheon Intl
29h 07m
2 stops
IAD10:22 amWashington, D.C. Dulles Intl
Mar 31
IAD5:37 pmWashington, D.C. Dulles Intl
32h 53m
1 stop
ICN3:30 pmIncheon Intl
$490
Find similar
American Airlines
Dec 24
ICN7:15 pmIncheon Intl
35h 01m
1 stop
IAD4:16 pmWashington, D.C. Dulles Intl
Feb 16
IAD5:46 pmWashington, D.C. Dulles Intl
32h 59m
1 stop
ICN4:45 pmIncheon Intl
$492
Find similar

United Airlines flights from Incheon Intl Airport to District of Columbia

Our best United Airlines deals on Incheon Intl Airport to District of Columbia flight tickets
United Airlines
Dec 25
ICN12:45 pmIncheon Intl
24h 38m
2 stops
IAD11:23 pmWashington, D.C. Dulles Intl
Feb 16
IAD6:20 amWashington, D.C. Dulles Intl
19h 55m
1 stop
ICN4:15 pmIncheon Intl
$511
Find similar
United Airlines
Dec 25
ICN6:00 pmIncheon Intl
25h 22m
1 stop
IAD5:22 amWashington, D.C. Dulles Intl
Jan 3
IAD10:10 pmWashington, D.C. Dulles Intl
28h 05m
2 stops
ICN4:15 pmIncheon Intl
$513
Find similar
United Airlines
Dec 24
ICN12:45 pmIncheon Intl
22h 10m
1 stop
IAD8:55 pmWashington, D.C. Dulles Intl
Feb 23
IAD10:10 pmWashington, D.C. Dulles Intl
28h 05m
1 stop
ICN4:15 pmIncheon Intl
$520
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Incheon Intl Airport to District of Columbia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 17, 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 3/2

7:15 pm-10:22 am

2 stops29h 07m

Washington, D.C. Dulles Intl

Mon 4/20

6:45 am-3:30 pm

1 stop19h 45m

$483

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Tue 2/24

7:15 pm-10:22 am

2 stops29h 07m

Washington, D.C. Dulles Intl

Tue 3/31

5:37 pm-3:30 pm

1 stop32h 53m

$490

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 1/29

8:35 pm-4:26 pm

1 stop33h 51m

Washington, D.C. Dulles Intl

Fri 2/6

6:04 pm-6:35 pm

1 stop34h 31m

$541

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 1/29

8:35 pm-4:26 pm

1 stop33h 51m

Washington, D.C. Dulles Intl

Wed 3/25

7:00 am-6:35 pm

1 stop22h 35m

$543

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 1/29

8:35 pm-4:09 pm

1 stop33h 34m

Washington, D.C. Reagan-National

Sat 1/31

8:00 am-6:35 pm

1 stop20h 35m

$543

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 1/29

8:35 pm-4:26 pm

1 stop33h 51m

Washington, D.C. Dulles Intl

Wed 2/11

6:04 pm-6:35 pm

1 stop34h 31m

$546

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 2/2

8:35 pm-4:26 pm

1 stop33h 51m

Washington, D.C. Dulles Intl

Sat 2/28

7:05 am-6:35 pm

1 stop21h 30m

$569

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 2/20

8:35 pm-5:40 am

1 stop23h 05m

Washington, D.C. Dulles Intl

Wed 3/25

7:00 am-6:35 pm

1 stop22h 35m

$584

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 1/29

12:45 pm-4:52 pm

1 stop18h 07m

Washington, D.C. Reagan-National

Thu 2/5

5:59 pm-4:15 pm

1 stop32h 16m

$606

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Mon 2/2

6:00 pm-9:52 pm

1 stop17h 52m

Washington, D.C. Reagan-National

Sun 2/15

5:50 pm-4:15 pm

1 stop32h 25m

$607

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to District of Columbia from

How to get the cheapest flight ticket from Incheon Intl Airport to District of Columbia

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 District of Columbia?

In general, October is the cheapest month to fly from Incheon Intl Airport to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $726. If you don’t want to visit District of Columbia in October, then you should wait until December to fly from Incheon Intl Airport, when ticket prices are also cheap, with an average price of $729.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Sunday when prices can be found for as low as $1,502. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from Incheon Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,648.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from Incheon Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,050 when looking at flights departing in the afternoon. Flights to District of Columbia are more costly in the morning, with an average ticket price of $1,544. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Incheon Intl to District of Columbia flight route?

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

How far in advance should I book a flight to District of Columbia?

You are more likely to see cheaper flights to District of Columbia from Incheon Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $1,259 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Incheon Intl Airport for as low as $927 on momondo.

What cabin class options are available on Incheon Intl to District of Columbia flights?

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

Cheap Incheon Intl Airport to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Incheon Intl Airport to District of Columbia

Best Price Found

$1,055

Fastest flight time

13h 35m

Direct flights

Every day

Airports in District of Columbia

2 airports
The best one-way flight to District of Columbia from Incheon Intl Airport in the past 72 hours is $1,055. The best round-trip flight deal from Incheon Intl Airport to District of Columbia found on momondo in the last 72 hours is $1,327.
The fastest flight from Incheon Intl Airport to District of Columbia takes 13h 35m
Direct flights go from Incheon Intl Airport to District of Columbia every day.
There are 2 airports in District of Columbia. From Incheon Intl Airport there are direct flights to Washington, D.C. Dulles Intl (IAD).
Search flight deals

  • When did momondo last update prices for flights from Incheon Intl Airport to District of Columbia?

    Prices for flights from Incheon Intl Airport to District of Columbia are refreshed on a daily basis.

  • How many operators does momondo search for flights from Incheon Intl Airport to District of Columbia?

  • How old do you have to be to fly from Incheon Intl Airport to District of Columbia?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Incheon Intl Airport to District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The travel and health documents required for your trip to District of Columbia 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 District of Columbia. 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 Incheon Intl Airport to District of Columbia?

Best airlines flying from Incheon Intl Airport to District of Columbia

Compare and see reviews for airlines that fly from Incheon Intl Airport to District of Columbia with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $501Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
United AirlinesPriceFrom $512Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
DeltaPriceFrom $649Free CancellationRating
7.9
8,008 reviews
Search Delta flights
Air CanadaPriceFrom $688Free CancellationRating
7.1
10,531 reviews
Search Air Canada flights
Korean AirPriceFrom $1,195Free CancellationRating
8.4
1,186 reviews
Search Korean Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to District of Columbia?

It is quick and easy to find Seoul to District of Columbia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to District of Columbia that suits you.

Can I find flights from Seoul to District of Columbia with flexible booking policies on momondo?

All flight searches from Seoul to District of Columbia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seoul to District of Columbia?

Once you have performed a search for Seoul to District of Columbia 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 Seoul to District of Columbia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Seoul to District of Columbia 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.

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