What is the cheapest airline that flies from Incheon Intl to District of Columbia?

United Airlines, Alaska Airlines, and Air Canada are the most popular carriers operating from Incheon Intl to District of Columbia

What airlines fly to District of Columbia?

United Airlines, AIR PREMIA and Korean Air are the top three most popular airlines that fly to District of Columbia from Incheon Intl Airport according to our data. United Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 5 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

How many flights depart from Incheon Intl Airport to District of Columbia on average per day?

As of July 2026, there are 2 flights per day flying from Incheon Intl Airport to District of Columbia. The most common time of day flights depart is 10:00AM, with 100% of flights taking off at noon.

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?

There are 5 operators available for flights from Incheon Intl Airport to District of Columbia as of July 2026.

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.

$486 Cheap Flights from Incheon Intl Airport to District of Columbia in 2026

Q: How many flights depart from Incheon Intl Airport to District of Columbia on average per week?

The number of flights available between Incheon Intl Airport and District of Columbia is 17 per week as of July 2026. The most frequent departure day is Mon, with 18% of weekly flights leaving on this day.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Incheon Intl Airport to District of Columbia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:50 pm - 12:57 am

ICN

IAD

21h 07m

1 stop

6:42 am - 3:00 pm

IAD

ICN

19h 18m

1 stop

$689United Airlines

Mon, Aug 24 - Mon, Aug 31

12:45 pm - 1:24 am

ICN

IAD

26h 39m

1 stop

5:55 pm - 5:40 am

IAD

ICN

21h 45m

1 stop

$690United Airlines

Mon, Dec 21 - Wed, Jan 6

5:15 pm - 9:59 pm

ICN

DCA

17h 44m

1 stop

3:30 pm - 4:40 am

DCA

ICN

24h 10m

2 stops

$690United Airlines

Fri, Oct 16 - Mon, Oct 26

4:50 pm - 10:19 pm

ICN

IAD

18h 29m

1 stop

5:15 pm - 4:20 am

IAD

ICN

22h 05m

2 stops

$692United Airlines

Wed, Aug 26 - Mon, Aug 31

4:50 pm - 5:55 am

ICN

IAD

26h 05m

1 stop

10:10 pm - 3:00 pm

IAD

ICN

27h 50m

1 stop

$693United Airlines

Wed, Sep 2 - Thu, Sep 24

11:30 am - 10:30 pm

ICN

DCA

24h 00m

1 stop

5:45 pm - 4:20 am

DCA

ICN

21h 35m

1 stop

$693United Airlines

Wed, Aug 26 - Mon, Aug 31

4:50 pm - 5:25 am

ICN

IAD

25h 35m

2 stops

3:40 pm - 4:20 am

IAD

ICN

23h 40m

2 stops

$695United Airlines

Mon, Aug 24 - Mon, Aug 31

4:50 pm - 8:55 am

ICN

DCA

29h 05m

2 stops

6:10 pm - 4:20 am

DCA

ICN

21h 10m

2 stops

$695United Airlines

Mon, Aug 24 - Mon, Aug 31

6:55 pm - 10:29 am

ICN

DCA

29h 34m

2 stops

6:55 pm - 5:10 pm

DCA

ICN

32h 15m

2 stops

$794Air Canada

Thu, Dec 24 - Sat, Jan 2

5:45 pm - 12:00 pm

ICN

DCA

31h 15m

2 stops

12:55 pm - 4:10 pm

DCA

ICN

38h 15m

2 stops

$800Air Canada

Fri, Oct 16 - Mon, Oct 26

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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

Aug 24

ICN4:50 pmIncheon Intl

21h 07m

1 stop

IAD12:57 amWashington, D.C. Dulles Intl

Aug 31

IAD6:42 amWashington, D.C. Dulles Intl

19h 18m

1 stop

ICN3:00 pmIncheon Intl

$689

United Airlines

Dec 21

ICN12:45 pmIncheon Intl

26h 39m

1 stop

IAD1:24 amWashington, D.C. Dulles Intl

Jan 6

IAD5:55 pmWashington, D.C. Dulles Intl

21h 45m

1 stop

ICN5:40 amIncheon Intl

$690

United Airlines

Aug 26

ICN4:50 pmIncheon Intl

18h 29m

1 stop

IAD10:19 pmWashington, D.C. Dulles Intl

Aug 31

IAD5:15 pmWashington, D.C. Dulles Intl

22h 05m

2 stops

ICN4:20 amIncheon Intl

$692

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

Dec 24

ICN6:55 pmIncheon Intl

29h 34m

2 stops

DCA10:29 amWashington, D.C. Reagan-National

Jan 2

DCA6:55 pmWashington, D.C. Reagan-National

32h 15m

2 stops

ICN5:10 pmIncheon Intl

$794

Air Canada

Oct 4

ICN5:45 pmIncheon Intl

40h 29m

2 stops

IAD9:14 pmWashington, D.C. Dulles Intl

Oct 17

IAD12:35 pmWashington, D.C. Dulles Intl

38h 30m

2 stops

ICN4:05 pmIncheon Intl

$800

Air Canada

Sep 30

ICN5:45 pmIncheon Intl

31h 15m

2 stops

DCA12:00 pmWashington, D.C. Reagan-National

Oct 4

DCA12:40 pmWashington, D.C. Reagan-National

38h 25m

2 stops

ICN4:05 pmIncheon Intl

$803

momondo Fare Finder

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

Quickest round-trip

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 8/24

4:50 pm-12:57 am

1 stop21h 07m

Washington, D.C. Dulles Intl

Mon 8/31

6:42 am-3:00 pm

1 stop19h 18m

$689

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 12/21

12:45 pm-1:24 am

1 stop26h 39m

Washington, D.C. Dulles Intl

Wed 1/6

5:55 pm-5:40 am

1 stop21h 45m

$690

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 10/16

5:15 pm-9:59 pm

1 stop17h 44m

Washington, D.C. Reagan-National

Mon 10/26

3:30 pm-4:40 am

2 stops24h 10m

$690

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 8/26

4:50 pm-10:19 pm

1 stop18h 29m

Washington, D.C. Dulles Intl

Mon 8/31

5:15 pm-4:20 am

2 stops22h 05m

$692

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Wed 9/2

4:50 pm-5:55 am

1 stop26h 05m

Washington, D.C. Dulles Intl

Thu 9/24

10:10 pm-3:00 pm

1 stop27h 50m

$693

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Wed 8/26

11:30 am-10:30 pm

1 stop24h 00m

Washington, D.C. Reagan-National

Mon 8/31

5:45 pm-4:20 am

1 stop21h 35m

$693

IncheonWashington, D.C.

ICN - IAD

ICNIAD

Incheon Intl

Mon 8/24

4:50 pm-5:25 am

2 stops25h 35m

Washington, D.C. Dulles Intl

Mon 8/31

3:40 pm-4:20 am

2 stops23h 40m

$695

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Mon 8/24

4:50 pm-8:55 am

2 stops29h 05m

Washington, D.C. Reagan-National

Mon 8/31

6:10 pm-4:20 am

2 stops21h 10m

$695

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Thu 12/24

6:55 pm-10:29 am

2 stops29h 34m

Washington, D.C. Reagan-National

Sat 1/2

6:55 pm-5:10 pm

2 stops32h 15m

$794

IncheonWashington, D.C.

ICN - DCA

ICNDCA

Incheon Intl

Fri 10/16

5:45 pm-12:00 pm

2 stops31h 15m

Washington, D.C. Reagan-National

Mon 10/26

12:55 pm-4:10 pm

2 stops38h 15m

$800

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 December to fly from Incheon Intl Airport, when ticket prices are also cheap, with an average price of $431.

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 $1,276. 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 $1,811.

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 $1,319 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 $794 on momondo.

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

There are 4 cabin classes available to choose from on Incheon Intl Airport 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 19% 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	$754
Fastest flight time	13h 30m
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 $754. The best round-trip flight deal from Incheon Intl Airport to District of Columbia found on momondo in the last 72 hours is $1,189.

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 on Monday, Tuesday, 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).

Search flight deals

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?
There are 5 operators available for flights from Incheon Intl Airport to District of Columbia as of July 2026.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Incheon Intl Airport to District of Columbia is Boeing 777-300ER (64.58% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (34.32%), Airbus A350-900 (0.74%), and Airbus A321-100/200 (0.37%).

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 Airlines	PriceFrom $478	Free Cancellation	Rating 7.1 11,810 reviews	Search American Airlines flights
United Airlines	PriceFrom $508	Free Cancellation	Rating 7.4 9,990 reviews	Search United Airlines flights
Delta	PriceFrom $649	Free Cancellation	Rating 7.8 8,471 reviews	Search Delta flights
AIR PREMIA	PriceFrom $915	Free Cancellation	Rating 8.2 100 reviews	Search AIR PREMIA flights
Korean Air	PriceFrom $1,260	Free Cancellation	Rating 8.4 1,221 reviews	Search Korean Air flights

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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.

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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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Flights to New Yorkfrom $81

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Flights to San Franciscofrom $50

Flights to Las Vegasfrom $46

Flights to Washington, D.C.from $55

Flights to Bostonfrom $78

Flights to Atlantafrom $55

Flights to Fort Lauderdalefrom $56

Flights to Dallasfrom $62

Cheap flights from Incheon Intl Airport to District of Columbia from $499

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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

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

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Use the filters below to find and compare flights from Incheon Intl Airport to District of Columbia that are best for you.

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

What is the cheapest month to fly to District of Columbia?

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

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

How far in advance should I book a flight from Incheon Intl Airport to District of Columbia?

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

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

What is the cheapest airline that flies from Incheon Intl to District of Columbia?

What airlines fly to District of Columbia?

How many flights depart from Incheon Intl Airport to District of Columbia on average per day?

How many flights depart from Incheon Intl Airport to District of Columbia on average per week?

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

Best Price Found

Fastest flight time

Direct flights

Airports in District of Columbia

Frequently asked questions about flying 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

Why use momondo?

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.

Find better results for your trip to District of Columbia

Popular cities in District of Columbia

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