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Cheap flights from Incheon Intl Airport to District of Columbia from $348

This is the cheapest round-trip 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 10/8. 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

Air Canada Logo
5:45 pm - 12:08 pmICN-DCA
31h 23m2 stops
Air Canada Logo
12:55 pm - 5:10 pmDCA-ICN
38h 15m2 stops
$348Air Canada
Find Deal
Wed, Oct 8 - Sun, Nov 16
Air Canada Logo
5:45 pm - 10:34 pmICN-DCA
41h 49m2 stops
Air Canada Logo
12:55 pm - 5:10 pmDCA-ICN
38h 15m2 stops
$356Air Canada
Find Deal
Wed, Oct 8 - Sun, Nov 16
Air Canada Logo
6:55 pm - 3:51 pmICN-IAD
34h 56m2 stops
Air Canada Logo
4:30 pm - 5:10 pmIAD-ICN
34h 40m2 stops
$358Air Canada
Find Deal
Mon, Dec 15 - Fri, Feb 27
Air Canada Logo
5:45 pm - 9:38 amICN-IAD
28h 53m2 stops
Air Canada Logo
4:25 pm - 5:10 pmIAD-ICN
34h 45m2 stops
$359Air Canada
Find Deal
Wed, Oct 8 - Sun, Nov 16
Air Canada Logo
6:55 pm - 12:19 pmICN-DCA
55h 24m2 stops
Air Canada Logo
12:55 pm - 5:10 pmDCA-ICN
38h 15m2 stops
$362Air Canada
Find Deal
Wed, Dec 17 - Fri, Jan 2
Air Canada Logo
6:00 pm - 10:20 amICN-DCA
29h 20m1 stop
Air Canada Logo
12:55 pm - 5:10 pmDCA-ICN
38h 15m2 stops
$363Air Canada
Find Deal
Wed, Oct 8 - Sun, Nov 16
American Airlines Logo
6:50 pm - 9:26 amICN-DCA
28h 36m1 stop
American Airlines Logo
2:59 pm - 4:45 pmDCA-ICN
35h 46m1 stop
$578American Airlines
Find Deal
Thu, Feb 19 - Mon, Feb 23
American Airlines Logo
5:45 pm - 10:51 pmICN-IAD
18h 06m1 stop
American Airlines Logo
6:11 am - 3:55 pmIAD-ICN
20h 44m1 stop
$583American Airlines
Find Deal
Tue, Oct 21 - Tue, Oct 28
American Airlines Logo
5:45 pm - 12:59 amICN-DCA
20h 14m1 stop
American Airlines Logo
6:35 am - 3:55 pmDCA-ICN
20h 20m1 stop
$583American Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29
Alaska Airlines Logo
8:35 pm - 5:58 pmICN-DCA
59h 23m2 stops
Alaska Airlines Logo
5:00 pm - 6:35 pmDCA-ICN
35h 35m1 stop
$910Alaska Airlines
Find Deal
Sun, Nov 2 - Fri, Nov 7

Air Canada flights from Incheon Intl Airport to District of Columbia

Our best Air Canada deals on Incheon Intl Airport to District of Columbia flight tickets
Air Canada
Oct 8
ICN5:45 pmIncheon Intl
31h 23m
2 stops
DCA12:08 pmWashington, D.C. Reagan-National
Nov 16
DCA12:55 pmWashington, D.C. Reagan-National
38h 15m
2 stops
ICN5:10 pmIncheon Intl
$348
Find similar
Air Canada
Oct 8
ICN5:45 pmIncheon Intl
41h 49m
2 stops
DCA10:34 pmWashington, D.C. Reagan-National
Nov 16
DCA12:55 pmWashington, D.C. Reagan-National
38h 15m
2 stops
ICN5:10 pmIncheon Intl
$356
Find similar
Air Canada
Dec 15
ICN6:55 pmIncheon Intl
34h 56m
2 stops
IAD3:51 pmWashington, D.C. Dulles Intl
Feb 27
IAD4:30 pmWashington, D.C. Dulles Intl
34h 40m
2 stops
ICN5:10 pmIncheon Intl
$358
Find similar

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 10
ICN5:25 pmIncheon Intl
30h 32m
1 stop
IAD10:57 amWashington, D.C. Dulles Intl
Nov 26
IAD6:35 amWashington, D.C. Dulles Intl
20h 10m
1 stop
ICN4:45 pmIncheon Intl
$576
Find similar
American Airlines
Sep 10
ICN5:25 pmIncheon Intl
36h 25m
1 stop
IAD4:50 pmWashington, D.C. Dulles Intl
Nov 26
IAD6:35 amWashington, D.C. Dulles Intl
20h 10m
1 stop
ICN4:45 pmIncheon Intl
$578
Find similar
American Airlines
Oct 21
ICN5:45 pmIncheon Intl
18h 06m
1 stop
IAD10:51 pmWashington, D.C. Dulles Intl
Oct 28
IAD6:11 amWashington, D.C. Dulles Intl
20h 44m
1 stop
ICN3:55 pmIncheon Intl
$583
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 September 8, 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 - DCA

ICNDCA

Incheon Intl

Wed 10/8

5:45 pm-12:08 pm

2 stops31h 23m

Washington, D.C. Reagan-National

Sun 11/16

12:55 pm-5:10 pm

2 stops38h 15m

$348

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 10/8

5:45 pm-10:34 pm

2 stops41h 49m

Washington, D.C. Reagan-National

Sun 11/16

12:55 pm-5:10 pm

2 stops38h 15m

$356

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 12/15

6:55 pm-3:51 pm

2 stops34h 56m

Washington, D.C. Dulles Intl

Fri 2/27

4:30 pm-5:10 pm

2 stops34h 40m

$358

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 10/8

5:45 pm-9:38 am

2 stops28h 53m

Washington, D.C. Dulles Intl

Sun 11/16

4:25 pm-5:10 pm

2 stops34h 45m

$359

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 12/17

6:55 pm-12:19 pm

2 stops55h 24m

Washington, D.C. Reagan-National

Fri 1/2

12:55 pm-5:10 pm

2 stops38h 15m

$362

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 10/8

6:00 pm-10:20 am

1 stop29h 20m

Washington, D.C. Reagan-National

Sun 11/16

12:55 pm-5:10 pm

2 stops38h 15m

$363

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 2/19

6:50 pm-9:26 am

1 stop28h 36m

Washington, D.C. Reagan-National

Mon 2/23

2:59 pm-4:45 pm

1 stop35h 46m

$578

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Tue 10/21

5:45 pm-10:51 pm

1 stop18h 06m

Washington, D.C. Dulles Intl

Tue 10/28

6:11 am-3:55 pm

1 stop20h 44m

$583

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 10/22

5:45 pm-12:59 am

1 stop20h 14m

Washington, D.C. Reagan-National

Wed 10/29

6:35 am-3:55 pm

1 stop20h 20m

$583

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Sun 11/2

8:35 pm-5:58 pm

2 stops59h 23m

Washington, D.C. Reagan-National

Fri 11/7

5:00 pm-6:35 pm

1 stop35h 35m

$910

Flights are sorted by cheapest round-trip flights 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, December 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 $899. If you don’t want to visit District of Columbia in December, then you should wait until May to fly from Incheon Intl Airport, when ticket prices are also cheap, with an average price of $924.

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 Saturday when prices can be found for as low as $1,371. 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 $1,646.

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 $1,514. 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

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.

Can stopping save me money on Incheon Intl Airport to District of Columbia flights?

You could potentially save up to 5% on your flight if you consider stops on a Incheon Intl Airport to District of Columbia flight.

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

$1,107

Fastest flight time

13h 30m

Direct flights

Every day

Airports in District of Columbia

1 airport
The best one-way flight to District of Columbia from Incheon Intl Airport in the past 72 hours is $1,107. The best round-trip flight deal from Incheon Intl Airport to District of Columbia found on momondo in the last 72 hours is $1,671.
The fastest flight from Incheon Intl Airport to District of Columbia takes 13h 30m
Direct flights go from Incheon Intl Airport to District of Columbia every day.
There is 1 airport near District of Columbia: 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 $590Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $649Free CancellationRating
7.9
7,966 reviews
Search Delta flights
United AirlinesPriceFrom $676Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
Air CanadaPriceFrom $688Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Korean AirPriceFrom $1,184Free CancellationRating
8.4
1,138 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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