Incheon Intl

$490+ Cheap flights from District of Columbia to Incheon Intl (ICN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — ICN
May 5 — May 121
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Cheap flight deals from District of Columbia to Incheon Intl

Keep the following information in mind while searching for District of Columbia to Incheon Intl flight deals. Data was last updated April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$882
(CrystalTravel)

One-way from

$490
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,233

Good round-trip deal

$1,177 or less

Good one-way deal

$657 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Seoul (SEL) flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Seoul (SEL) flights.
From District of Columbia to Incheon Intl
One-way flight from District of Columbia to Incheon Intl
Highest demand for flights based on searches. 19% potential increase in price ($334 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from District of Columbia to Incheon Intl.
Price to beat on a one-way flight from District of Columbia to Incheon Intl.

Find flight deals from District of Columbia to Incheon Intl

Cheapest flights from District of Columbia to Incheon Intl
Explore the most affordable flight options available from District of Columbia to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This CrystalTravel deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/39:40 pmIAD - ICN
1 stop31h 00mTurkish Airlines
Fri 9/1211:20 pmICN - IAD
1 stop25h 25mTurkish Airlines
Deal found 4/28$882
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/147:45 amIAD - ICN
2 stops23h 45mMultiple Airlines
Wed 5/216:20 pmICN - IAD
1 stop37h 39mMultiple Airlines
Deal found 4/29$968
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/131:00 pmDCA - ICN
2 stops42h 30mMultiple Airlines
Fri 5/3012:45 pmICN - DCA
1 stop21h 14mMultiple Airlines
Deal found 4/29$1,042
This oojo deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/65:38 pmIAD - ICN
2 stops30h 02mCathay Pacific
Wed 6/183:10 pmICN - IAD
2 stops28h 40mCathay Pacific
Deal found 4/29$1,061
This oojo deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3110:09 pmDCA - ICN
2 stops50h 56mCathay Pacific
Sun 9/148:05 pmICN - DCA
2 stops25h 58mCathay Pacific
Deal found 4/29$1,084
This Air Canada deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/89:45 amIAD - ICN
1 stop17h 30mAir Canada
Sat 10/255:45 pmICN - IAD
2 stops26h 50mAir Canada
Deal found 4/29$1,181
This FlightHub deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/911:00 pmIAD - ICN
1 stop23h 35mAir China
Tue 9/1610:50 amICN - IAD
1 stop21h 40mAir China
Deal found 4/29$1,235
This Air Canada deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/214:35 pmDCA - ICN
2 stops34h 30mAir Canada
Tue 2/176:50 pmICN - DCA
2 stops29h 29mAir Canada
Deal found 4/29$1,280
This WestJet deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:45 pmIAD - ICN
1 stop35h 00mWestJet
Thu 9/188:45 pmICN - IAD
1 stop34h 05mWestJet
Deal found 4/29$1,295
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/95:30 amDCA - ICN
1 stop21h 00mAmerican Airlines
Thu 10/235:25 pmICN - DCA
1 stop20h 31mAmerican Airlines
Deal found 4/29$1,463
This Jetabroad deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/66:00 amDCA - ICN
2 stops23h 45mWestJet
Tue 6/108:45 pmICN - DCA
2 stops27h 15mWestJet
Deal found 4/29$1,499
This LOT deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/226:30 amDCA - ICN
2 stops34h 55mLOT
Tue 8/1211:20 amICN - DCA
2 stops48h 39mLOT
Deal found 4/29$1,588

Cheapflights Fare Finder

Customize your flight search to find flights from District of Columbia to Incheon Intl 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, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2025.
Use the filters below to find and compare flights from District of Columbia to Incheon Intl Airport that are best for you.

Fly from

District of Columbia

Fly to

Incheon Intl

Route

Depart

Return

Price

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Wed 9/3

9:40 pm-5:40 pm

1 stop31h 00m

Incheon Intl

Fri 9/12

11:20 pm-11:45 am

1 stop25h 25m

$882

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Tue 5/13

5:00 pm-8:30 pm

2 stops38h 30m

Incheon Intl

Wed 5/21

6:20 pm-5:55 am

1 stop24h 35m

$906

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 5/13

1:00 pm-8:30 pm

2 stops42h 30m

Incheon Intl

Fri 5/30

12:45 pm-8:59 pm

1 stop21h 14m

$1,042

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Sun 8/31

10:09 pm-2:05 pm

2 stops50h 56m

Incheon Intl

Sun 9/14

8:05 pm-9:03 am

2 stops25h 58m

$1,084

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Tue 5/20

7:25 pm-2:05 pm

2 stops29h 40m

Incheon Intl

Wed 5/28

10:10 am-5:55 am

2 stops32h 45m

$1,104

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Tue 7/8

9:45 am-4:15 pm

1 stop17h 30m

Incheon Intl

Sat 10/25

5:45 pm-7:35 am

2 stops26h 50m

$1,181

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Tue 9/9

11:00 pm-11:35 am

1 stop23h 35m

Incheon Intl

Tue 9/16

10:50 am-7:30 pm

1 stop21h 40m

$1,235

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Tue 10/21

4:35 pm-4:05 pm

2 stops34h 30m

Incheon Intl

Tue 2/17

6:50 pm-10:19 am

2 stops29h 29m

$1,280

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Fri 9/5

6:45 pm-6:45 pm

1 stop35h 00m

Incheon Intl

Thu 9/18

8:45 pm-5:50 pm

1 stop34h 05m

$1,295

Washington, D.C.Incheon

DCA - ICN

DCAICN

Washington, D.C. Reagan-National

Thu 10/9

5:30 am-3:30 pm

1 stop21h 00m

Incheon Intl

Thu 10/23

5:25 pm-12:56 am

1 stop20h 31m

$1,463

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 37 results
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Best time to book a flight from District of Columbia to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from District of Columbia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Incheon Intl Airport

What is the cheapest month to book a flight from District of Columbia to Incheon Intl Airport?

Currently, February is the cheapest month in which you can book a flight from District of Columbia to Incheon Intl Airport (average of $1,001). Flying from District of Columbia to Incheon Intl Airport in December is currently the most expensive (average of $1,635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DC to ICN?

Find hourly flight availability from District of Columbia to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to Incheon Intl Airport as you normally would.

Weekly flight availability from District of Columbia to Incheon Intl Airport

Explore weekly flight availability from District of Columbia to Incheon Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 30, 2025.

The most flights from USDC to ICN are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Incheon Intl Airport ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 0.8 in.

Temperature in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Incheon Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Incheon Intl. Reviews last updated April 30, 2025.
Read through reviews of airlines operating flights from District of Columbia to Seoul, such as Korean Air, China Airlines and Asiana Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
8.0
Very good

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.5

Crew

8.7

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Incheon Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from District of Columbia to Incheon Intl Airport one-way?

    One-way options have recently been found by users for as low as $507 on WestJet. Other airlines that offer cheap prices include Turkish Airlines from $528 and Cathay Pacific from $571 one-way.

  • What are the cheapest flights from District of Columbia to Incheon Intl Airport?

    While on average a flight from District of Columbia to Incheon Intl Airport is generally $3,217, our data shows the cheapest flight currently is $391. When looking at the most popular route, (Washington, D.C. Dulles Intl - Incheon Intl), you can expect to pay $882 for that flight.

  • Can I find deals for flights from District of Columbia to Incheon Intl that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Incheon Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Incheon Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Incheon Intl.

  • Can I find deals for business class flights from District of Columbia to Incheon Intl?

    Yes. Cheapflights offers flight deals from District of Columbia to Incheon Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from District of Columbia to Incheon Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from District of Columbia to Incheon Intl Airport (average of $1,001). Flying from District of Columbia to Incheon Intl Airport in December is currently the most expensive (average of $1,635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near District of Columbia?

Book flights to District of Columbia if you plan to visit one of these locations
Suwon
Seongnam
Daejeon

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Alternative routes for District of Columbia to Incheon Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from District of Columbia to Incheon Intl

Discover the top 9 airlines that operate flights from District of Columbia to Incheon Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$591Average$747FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$660Average$1,755FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$807Average$1,053FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$865Average$1,266FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$876Average$1,303FlexibilityNo cancel feeOn-time71%
DeltaCheapest$877Average$1,836FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$1,077Average$1,822FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$1,298Average$2,023FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$1,698Average$1,707FlexibilityNo cancel feeOn-time77%

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