Cheap flights from Incheon Intl Airport to District of Columbia from $435

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 4/24. 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.
Air Canada Logo
5:55 pm - 8:54 pm
ICN
-
IAD
40h 59m
2 stops
Air Canada Logo
4:30 pm - 4:00 pm
IAD
-
ICN
33h 30m
2 stops
$637Air Canada
Wed, Feb 18 - Wed, Feb 25
Air Canada Logo
7:05 pm - 11:23 am
ICN
-
IAD
29h 18m
1 stop
Air Canada Logo
9:55 am - 5:30 pm
IAD
-
ICN
18h 35m
1 stop
$646Air Canada
Fri, Apr 24 - Fri, Jul 17
Air Canada Logo
5:45 pm - 4:30 pm
ICN
-
IAD
35h 45m
2 stops
Air Canada Logo
10:07 pm - 4:05 pm
IAD
-
ICN
52h 58m
2 stops
$650Air Canada
Fri, May 1 - Sat, May 9
Air Canada Logo
5:55 pm - 8:54 pm
ICN
-
IAD
40h 59m
2 stops
Air Canada Logo
9:00 am - 6:25 pm
IAD
-
ICN
19h 25m
1 stop
$651Air Canada
Wed, Feb 18 - Wed, Feb 25
Air Canada Logo
5:45 pm - 7:44 am
ICN
-
IAD
26h 59m
2 stops
Air Canada Logo
8:20 am - 4:05 pm
IAD
-
ICN
18h 45m
1 stop
$659Air Canada
Mon, Jun 8 - Mon, Sep 14
Air Canada Logo
5:45 pm - 12:01 pm
ICN
-
DCA
31h 16m
2 stops
Air Canada Logo
12:45 pm - 4:05 pm
DCA
-
ICN
38h 20m
2 stops
$659Air Canada
Fri, May 15 - Mon, Jun 1
Air Canada Logo
5:45 pm - 7:50 am
ICN
-
IAD
27h 05m
2 stops
Air Canada Logo
9:45 am - 4:05 pm
IAD
-
ICN
41h 20m
2 stops
$662Air Canada
Wed, May 13 - Wed, Jun 17
Air Canada Logo
6:55 pm - 11:46 am
ICN
-
IAD
30h 51m
2 stops
Air Canada Logo
10:09 pm - 5:10 pm
IAD
-
ICN
29h 01m
2 stops
$667Air Canada
Tue, Feb 24 - Thu, Mar 5
American Airlines Logo
7:15 pm - 1:59 pm
ICN
-
DCA
32h 44m
2 stops
American Airlines Logo
6:30 am - 3:55 pm
DCA
-
ICN
20h 25m
1 stop
$802American Airlines
Fri, Mar 6 - Mon, Mar 9
American Airlines Logo
7:15 pm - 7:44 am
ICN
-
DCA
26h 29m
2 stops
American Airlines Logo
6:30 am - 4:45 pm
DCA
-
ICN
20h 15m
1 stop
$806American Airlines
Thu, Feb 19 - Wed, Mar 4

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
Feb 18
ICN5:55 pmIncheon Intl
40h 59m
2 stops
IAD8:54 pmWashington, D.C. Dulles Intl
Feb 25
IAD4:30 pmWashington, D.C. Dulles Intl
33h 30m
2 stops
ICN4:00 pmIncheon Intl
$637
Air Canada
Apr 24
ICN7:05 pmIncheon Intl
29h 18m
1 stop
IAD11:23 amWashington, D.C. Dulles Intl
Jul 17
IAD9:55 amWashington, D.C. Dulles Intl
18h 35m
1 stop
ICN5:30 pmIncheon Intl
$646
Air Canada
May 1
ICN5:45 pmIncheon Intl
35h 45m
2 stops
IAD4:30 pmWashington, D.C. Dulles Intl
May 9
IAD10:07 pmWashington, D.C. Dulles Intl
52h 58m
2 stops
ICN4:05 pmIncheon Intl
$650

Asiana Airlines flights from Incheon Intl Airport to District of Columbia

Our best Asiana Airlines deals on Incheon Intl Airport to District of Columbia flight tickets
Asiana Airlines
Jun 5
ICN6:00 pmIncheon Intl
37h 58m
1 stop
IAD6:58 pmWashington, D.C. Dulles Intl
Jun 26
IAD9:55 amWashington, D.C. Dulles Intl
18h 35m
1 stop
ICN5:30 pmIncheon Intl
$727
Asiana Airlines
May 12
ICN7:05 pmIncheon Intl
33h 29m
1 stop
IAD3:34 pmWashington, D.C. Dulles Intl
May 22
IAD9:55 amWashington, D.C. Dulles Intl
18h 35m
1 stop
ICN5:30 pmIncheon Intl
$732

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 February 5, 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

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 2/18

5:55 pm-8:54 pm

2 stops40h 59m

Washington, D.C. Dulles Intl

Wed 2/25

4:30 pm-4:00 pm

2 stops33h 30m

$637

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 4/24

7:05 pm-11:23 am

1 stop29h 18m

Washington, D.C. Dulles Intl

Fri 7/17

9:55 am-5:30 pm

1 stop18h 35m

$646

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 5/1

5:45 pm-4:30 pm

2 stops35h 45m

Washington, D.C. Dulles Intl

Sat 5/9

10:07 pm-4:05 pm

2 stops52h 58m

$650

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 2/18

5:55 pm-8:54 pm

2 stops40h 59m

Washington, D.C. Dulles Intl

Wed 2/25

9:00 am-6:25 pm

1 stop19h 25m

$651

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 6/8

5:45 pm-7:44 am

2 stops26h 59m

Washington, D.C. Dulles Intl

Mon 9/14

8:20 am-4:05 pm

1 stop18h 45m

$659

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 5/15

5:45 pm-12:01 pm

2 stops31h 16m

Washington, D.C. Reagan-National

Mon 6/1

12:45 pm-4:05 pm

2 stops38h 20m

$659

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 5/13

5:45 pm-7:50 am

2 stops27h 05m

Washington, D.C. Dulles Intl

Wed 6/17

9:45 am-4:05 pm

2 stops41h 20m

$662

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Tue 2/24

6:55 pm-11:46 am

2 stops30h 51m

Washington, D.C. Dulles Intl

Thu 3/5

10:09 pm-5:10 pm

2 stops29h 01m

$667

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 3/6

7:15 pm-1:59 pm

2 stops32h 44m

Washington, D.C. Reagan-National

Mon 3/9

6:30 am-3:55 pm

1 stop20h 25m

$802

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 2/19

7:15 pm-7:44 am

2 stops26h 29m

Washington, D.C. Reagan-National

Wed 3/4

6:30 am-4:45 pm

1 stop20h 15m

$806

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 $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, Friday 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 $1,671.

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 $1,228 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 $1,006 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.

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

You could potentially save up to 43% 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

$801

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 $801. The best round-trip flight deal from Incheon Intl Airport to District of Columbia found on momondo in the last 72 hours is $1,207.
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).
  • 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
11,223 reviews
Search American Airlines flights
United AirlinesPriceFrom $508Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
DeltaPriceFrom $649Free CancellationRating
7.9
8,146 reviews
Search Delta flights
Air CanadaPriceFrom $727Free CancellationRating
7.1
10,688 reviews
Search Air Canada flights
Korean AirPriceFrom $1,128Free CancellationRating
8.4
1,188 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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