Cheap flights from Incheon Intl Airport to District of Columbia from $428

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 5/18. 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
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:50 pm - 10:47 pm
ICN
-
IAD
17h 57m
1 stop
American Airlines Logo
6:41 pm - 3:45 pm
IAD
-
ICN
32h 04m
1 stop
$604American Airlines
수, 9월 23 - 일, 10월 18
American Airlines Logo
5:50 pm - 10:47 pm
ICN
-
IAD
17h 57m
1 stop
American Airlines Logo
6:24 am - 3:45 pm
IAD
-
ICN
20h 21m
1 stop
$606American Airlines
수, 9월 23 - 월, 9월 28
American Airlines Logo
5:50 pm - 11:58 pm
ICN
-
DCA
19h 08m
1 stop
American Airlines Logo
1:44 pm - 3:45 pm
DCA
-
ICN
37h 01m
2 stops
$637American Airlines
수, 9월 23 - 금, 10월 16
United Airlines Logo
11:30 am - 4:25 pm
ICN
-
IAD
17h 55m
1 stop
United Airlines Logo
6:30 am - 3:00 pm
IAD
-
ICN
19h 30m
1 stop
$640United Airlines
화, 5월 12 - 수, 7월 8
United Airlines Logo
4:50 pm - 11:56 am
ICN
-
DCA
32h 06m
2 stops
United Airlines Logo
3:30 pm - 4:20 am
DCA
-
ICN
23h 50m
2 stops
$640United Airlines
목, 6월 4 - 월, 7월 27
United Airlines Logo
11:30 am - 12:55 am
ICN
-
IAD
26h 25m
1 stop
United Airlines Logo
10:23 pm - 3:00 pm
IAD
-
ICN
27h 37m
2 stops
$673United Airlines
금, 6월 5 - 금, 8월 7
United Airlines Logo
11:30 am - 10:27 pm
ICN
-
IAD
23h 57m
1 stop
United Airlines Logo
2:43 pm - 4:20 am
IAD
-
ICN
24h 37m
2 stops
$706United Airlines
화, 5월 12 - 목, 8월 27
AIR PREMIA Logo
10:00 am - 10:50 am
ICN
-
IAD
13h 50mnonstop
AIR PREMIA Logo
1:20 pm - 5:55 pm
IAD
-
ICN
15h 35mnonstop
$782AIR PREMIA
월, 4월 27 - 수, 4월 29
Air Canada Logo
5:45 pm - 12:00 pm
ICN
-
DCA
31h 15m
2 stops
Air Canada Logo
12:40 pm - 4:05 pm
DCA
-
ICN
38h 25m
2 stops
$850Air Canada
화, 9월 29 - 목, 10월 15
Air Canada Logo
5:45 pm - 9:55 pm
ICN
-
DCA
41h 10m
2 stops
Air Canada Logo
12:40 pm - 4:05 pm
DCA
-
ICN
38h 25m
2 stops
$854Air Canada
수, 5월 13 - 목, 8월 27

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
Sep 23
ICN5:50 pmIncheon Intl
17h 57m
1 stop
IAD10:47 pmWashington, D.C. Dulles Intl
Oct 18
IAD6:41 pmWashington, D.C. Dulles Intl
32h 04m
1 stop
ICN3:45 pmIncheon Intl
$604
American Airlines
Sep 23
ICN5:50 pmIncheon Intl
17h 57m
1 stop
IAD10:47 pmWashington, D.C. Dulles Intl
Sep 28
IAD6:24 amWashington, D.C. Dulles Intl
20h 21m
1 stop
ICN3:45 pmIncheon Intl
$606
American Airlines
Sep 23
ICN5:50 pmIncheon Intl
19h 08m
1 stop
DCA11:58 pmWashington, D.C. Reagan-National
Oct 16
DCA1:44 pmWashington, D.C. Reagan-National
37h 01m
2 stops
ICN3:45 pmIncheon Intl
$637

AIR PREMIA flights from Incheon Intl Airport to District of Columbia

Our best AIR PREMIA deals on Incheon Intl Airport to District of Columbia flight tickets
AIR PREMIA
Apr 27
ICN10:00 amIncheon Intl
13h 50m
IAD10:50 amWashington, D.C. Dulles Intl
Apr 29
IAD1:20 pmWashington, D.C. Dulles Intl
15h 35m
ICN5:55 pmIncheon Intl
$782
AIR PREMIA
Sep 21
ICN10:00 amIncheon Intl
13h 50m
IAD10:50 amWashington, D.C. Dulles Intl
Oct 25
IAD1:20 pmWashington, D.C. Dulles Intl
15h 25m
ICN5:45 pmIncheon Intl
$797
AIR PREMIA
Apr 24
ICN10:00 amIncheon Intl
13h 50m
IAD10:50 amWashington, D.C. Dulles Intl
Jul 17
IAD1:20 pmWashington, D.C. Dulles Intl
15h 35m
ICN5:55 pmIncheon Intl
$820

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 4월 2, 2026.
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

Cheapest round-trip

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

수 9/23

5:50 pm-10:47 pm

1 stop17h 57m

Washington, D.C. Dulles Intl

일 10/18

6:41 pm-3:45 pm

1 stop32h 04m

$604

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

수 9/23

5:50 pm-10:47 pm

1 stop17h 57m

Washington, D.C. Dulles Intl

월 9/28

6:24 am-3:45 pm

1 stop20h 21m

$606

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

수 9/23

5:50 pm-11:58 pm

1 stop19h 08m

Washington, D.C. Reagan-National

금 10/16

1:44 pm-3:45 pm

2 stops37h 01m

$637

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

화 5/12

11:30 am-4:25 pm

1 stop17h 55m

Washington, D.C. Dulles Intl

수 7/8

6:30 am-3:00 pm

1 stop19h 30m

$640

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

목 6/4

4:50 pm-11:56 am

2 stops32h 06m

Washington, D.C. Reagan-National

월 7/27

3:30 pm-4:20 am

2 stops23h 50m

$640

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

금 6/5

11:30 am-12:55 am

1 stop26h 25m

Washington, D.C. Dulles Intl

금 8/7

10:23 pm-3:00 pm

2 stops27h 37m

$673

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

화 5/12

11:30 am-10:27 pm

1 stop23h 57m

Washington, D.C. Dulles Intl

목 8/27

2:43 pm-4:20 am

2 stops24h 37m

$706
Quickest round-trip

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

월 4/27

10:00 am-10:50 am

Nonstop13h 50m

Washington, D.C. Dulles Intl

수 4/29

1:20 pm-5:55 pm

Nonstop15h 35m

$782

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

화 9/29

5:45 pm-12:00 pm

2 stops31h 15m

Washington, D.C. Reagan-National

목 10/15

12:40 pm-4:05 pm

2 stops38h 25m

$850

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

수 5/13

5:45 pm-9:55 pm

2 stops41h 10m

Washington, D.C. Reagan-National

목 8/27

12:40 pm-4:05 pm

2 stops38h 25m

$854

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 $710. 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 $771.

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 $1,334. 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 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 $1,313 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 $865 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

$543

Fastest flight time

13h 40m

Direct flights

Mon, Tue, Thu and Sat

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 $543. The best round-trip flight deal from Incheon Intl Airport to District of Columbia found on momondo in the last 72 hours is $876.
The fastest flight from Incheon Intl Airport to District of Columbia takes 13h 40m
Direct flights go from Incheon Intl Airport to District of Columbia on Monday, Tuesday, Thursday and Saturday. There are no airlines offering direct flights.
There are 2 airports in District of Columbia. From Incheon Intl Airport there are direct flights to Washington, D.C. Dulles Intl (IAD).

Frequently asked questions about flying from Incheon Intl Airport to District of Columbia

  • 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
7.1
11,549 reviews
Search American Airlines flights
United AirlinesPriceFrom $508Free CancellationRating
7.4
9,532 reviews
Search United Airlines flights
DeltaPriceFrom $649Free CancellationRating
7.9
8,371 reviews
Search Delta flights
AIR PREMIAPriceFrom $876Free CancellationRating
8.2
85 reviews
Search AIR PREMIA flights
Korean AirPriceFrom $1,095Free CancellationRating
8.4
1,203 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.

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1 adult
토 5/2
토 5/9

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