Cheap flights from Incheon Intl Airport to District of Columbia from $523

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 5/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

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 China Logo
3:45 pm - 7:30 pm
ICN
-
IAD
40h 45m
1 stop
Air China Logo
11:00 pm - 2:20 pm
IAD
-
ICN
26h 20m
1 stop
$1,109Air China
Mon, Sep 7 - Fri, Sep 18
Air China Logo
3:45 pm - 7:30 pm
ICN
-
IAD
40h 45m
1 stop
Air China Logo
11:00 pm - 11:35 am
IAD
-
ICN
23h 35m
1 stop
$1,110Air China
Mon, Sep 7 - Fri, Sep 18
Air China Logo
5:50 pm - 7:30 pm
ICN
-
IAD
38h 40m
1 stop
Air China Logo
11:00 pm - 11:35 am
IAD
-
ICN
23h 35m
1 stop
$1,123Air China
Thu, Jul 16 - Tue, Aug 4
United Airlines Logo
11:30 am - 7:25 am
ICN
-
IAD
32h 55m
1 stop
United Airlines Logo
4:10 pm - 4:40 am
IAD
-
ICN
23h 30m
1 stop
$1,142United Airlines
Fri, Oct 16 - Fri, Oct 30
United Airlines Logo
12:45 pm - 4:56 pm
ICN
-
DCA
18h 11m
1 stop
United Airlines Logo
2:00 pm - 5:40 am
DCA
-
ICN
25h 40m
2 stops
$1,142United Airlines
Wed, Nov 4 - Sun, Nov 8
Air China Logo
3:45 pm - 7:30 pm
ICN
-
IAD
40h 45m
1 stop
Air China Logo
11:00 pm - 2:20 pm
IAD
-
ICN
26h 20m
1 stop
$1,144Air China
Mon, Sep 7 - Fri, Sep 18
United Airlines Logo
12:45 pm - 4:56 pm
ICN
-
DCA
18h 11m
1 stop
United Airlines Logo
2:00 pm - 5:40 am
DCA
-
ICN
25h 40m
2 stops
$1,144United Airlines
Wed, Nov 4 - Sun, Nov 8
Alaska Airlines Logo
7:35 pm - 11:59 pm
ICN
-
IAD
17h 24m
1 stop
Alaska Airlines Logo
9:35 am - 5:35 pm
IAD
-
ICN
19h 00m
1 stop
$1,155Alaska Airlines
Thu, Oct 22 - Wed, Oct 28
Alaska Airlines Logo
7:35 pm - 11:59 pm
ICN
-
IAD
17h 24m
1 stop
Alaska Airlines Logo
9:00 am - 5:30 pm
IAD
-
ICN
19h 30m
1 stop
$1,158Alaska Airlines
Wed, Jun 10 - Wed, Sep 16
Multiple Airlines Logo
8:45 pm - 8:53 am
ICN
-
DCA
25h 08m
2 stops
Multiple Airlines Logo
6:55 pm - 6:45 pm
DCA
-
ICN
34h 50m
3 stops
$1,388Multiple Airlines
Fri, Jun 5 - Sun, Jul 19

Air China flights from Incheon Intl Airport to District of Columbia

Our best Air China deals on Incheon Intl Airport to District of Columbia flight tickets
Air China
Sep 7
ICN3:45 pmIncheon Intl
40h 45m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Sep 18
IAD11:00 pmWashington, D.C. Dulles Intl
26h 20m
1 stop
ICN2:20 pmIncheon Intl
$1,109
Air China
Sep 7
ICN3:45 pmIncheon Intl
40h 45m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Sep 18
IAD11:00 pmWashington, D.C. Dulles Intl
23h 35m
1 stop
ICN11:35 amIncheon Intl
$1,110
Air China
Jul 16
ICN5:50 pmIncheon Intl
38h 40m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl
Aug 4
IAD11:00 pmWashington, D.C. Dulles Intl
23h 35m
1 stop
ICN11:35 amIncheon Intl
$1,123

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
Oct 16
ICN4:50 pmIncheon Intl
18h 29m
1 stop
IAD10:19 pmWashington, D.C. Dulles Intl
Oct 30
IAD1:05 pmWashington, D.C. Dulles Intl
26h 35m
2 stops
ICN4:40 amIncheon Intl
$1,142
United Airlines
Nov 4
ICN12:45 pmIncheon Intl
18h 11m
1 stop
DCA4:56 pmWashington, D.C. Reagan-National
Nov 8
DCA2:00 pmWashington, D.C. Reagan-National
25h 40m
2 stops
ICN5:40 amIncheon Intl
$1,144
United Airlines
Oct 28
ICN11:45 amIncheon Intl
20h 20m
2 stops
IAD7:05 pmWashington, D.C. Dulles Intl
Nov 3
IAD10:10 pmWashington, D.C. Dulles Intl
28h 15m
2 stops
ICN4:25 pmIncheon Intl
$1,148

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 May 17, 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

Mon 9/7

3:45 pm-7:30 pm

1 stop40h 45m

Washington, D.C. Dulles Intl

Fri 9/18

11:00 pm-2:20 pm

1 stop26h 20m

$1,109

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 9/7

3:45 pm-7:30 pm

1 stop40h 45m

Washington, D.C. Dulles Intl

Fri 9/18

11:00 pm-11:35 am

1 stop23h 35m

$1,110

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 7/16

5:50 pm-7:30 pm

1 stop38h 40m

Washington, D.C. Dulles Intl

Tue 8/4

11:00 pm-11:35 am

1 stop23h 35m

$1,123

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Fri 10/16

11:30 am-7:25 am

1 stop32h 55m

Washington, D.C. Dulles Intl

Fri 10/30

4:10 pm-4:40 am

1 stop23h 30m

$1,142

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 11/4

12:45 pm-4:56 pm

1 stop18h 11m

Washington, D.C. Reagan-National

Sun 11/8

2:00 pm-5:40 am

2 stops25h 40m

$1,142

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 9/7

3:45 pm-7:30 pm

1 stop40h 45m

Washington, D.C. Dulles Intl

Fri 9/18

11:00 pm-2:20 pm

1 stop26h 20m

$1,144

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 11/4

12:45 pm-4:56 pm

1 stop18h 11m

Washington, D.C. Reagan-National

Sun 11/8

2:00 pm-5:40 am

2 stops25h 40m

$1,144
Quickest round-trip

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Thu 10/22

7:35 pm-11:59 pm

1 stop17h 24m

Washington, D.C. Dulles Intl

Wed 10/28

9:35 am-5:35 pm

1 stop19h 00m

$1,155

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 6/10

7:35 pm-11:59 pm

1 stop17h 24m

Washington, D.C. Dulles Intl

Wed 9/16

9:00 am-5:30 pm

1 stop19h 30m

$1,158

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 6/5

8:45 pm-8:53 am

2 stops25h 08m

Washington, D.C. Reagan-National

Sun 7/19

6:55 pm-6:45 pm

3 stops34h 50m

$1,388

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, September 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 $275. If you don’t want to visit District of Columbia in September, then you should wait until August to fly from Incheon Intl Airport, when ticket prices are also cheap, with an average price of $387.

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 Friday when prices can be found for as low as $1,233. 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 $1,655.

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 from Incheon Intl Airport 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 $1,308 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 $845 on momondo.

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

You could potentially save up to 25% 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

$690

Fastest flight time

13h 35m

Direct flights

Mon, Tue, Wed, 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 $690. The best round-trip flight deal from Incheon Intl Airport to District of Columbia found on momondo in the last 72 hours is $1,155.
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 on Monday, Tuesday, Wednesday, Thursday and Saturday. The only airline offering direct flights is AIR PREMIA.
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 $478Free CancellationRating
7.1
11,654 reviews
Search American Airlines flights
United AirlinesPriceFrom $508Free CancellationRating
7.4
9,730 reviews
Search United Airlines flights
DeltaPriceFrom $649Free CancellationRating
7.9
8,453 reviews
Search Delta flights
AIR PREMIAPriceFrom $915Free CancellationRating
8.0
92 reviews
Search AIR PREMIA flights
Korean AirPriceFrom $1,223Free CancellationRating
8.4
1,217 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.

An easier way to manage your District of Columbia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 6/16
Tue 6/23

Find better results for your trip to District of Columbia

Popular cities in District of Columbia

Popular flights according to clicks in the last 7 days on momondo