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Dulles International Airport to Incheon Intl. Airport flight
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Dulles International Airport to Incheon Intl. Airport Flights Info

Cheapest one-way
€430
Air Premia Air Premia 15h 50m · Nonstop Mon, Nov 16
Select flight
Cheapest round-trip
€716
Air Premia Air Premia 15h 50m · Nonstop Wed, Dec 2 - Wed, Dec 9
Select flight
When to travel
September
Cheapest
Recommended airlines
Air Premia Air PremiaCheapest· From €430 Air Premia Air PremiaMost booked

Explore the cheapest one-way and round-trip flights from Dulles International Airport to Incheon Intl. Airport over the next 90 days, with one-way fares from €430 and round-trip from €716. Based on Trip.com's latest 7-day flight data.

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    • Cheapest nonstop
      IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Wed, Dec 2 | Air Premia
      ICN 9:05 PM
      13h 30m
      Nonstop
      IAD 8:35 PM
      Seoul - Washington D.C. | Wed, Dec 9 | Air Premia
      €716 €1,081
      34% off
      34% off
      €1,081 €716
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Mon, Nov 30 | Air Premia
      ICN 9:05 PM
      13h 30m
      Nonstop
      IAD 8:35 PM
      Seoul - Washington D.C. | Wed, Dec 2 | Air Premia
      €736 €1,081
      32% off
      32% off
      €1,081 €736
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Mon, Nov 16 | Air Premia
      ICN 9:05 PM
      13h 30m
      Nonstop
      IAD 8:35 PM
      Seoul - Washington D.C. | Wed, Nov 18 | Air Premia
      €857 €1,081
      21% off
      21% off
      €1,081 €857
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Fri, Dec 4 | Air Premia
      ICN 9:05 PM
      13h 30m
      Nonstop
      IAD 8:35 PM
      Seoul - Washington D.C. | Wed, Dec 9 | Air Premia
      €875
      19% off
      €1,081 €875
    • IAD 10:00 AM
      39h 45m
      1 stop
      ICN 3:45 PM
      Washington D.C. - Seoul | Sat, Nov 21 | Ethiopian Airlines
      ICN 12:10 AM
      45h 50m
      1 stop
      IAD 8:00 AM
      Seoul - Washington D.C. | Sat, Nov 28 | Ethiopian Airlines
      €763
      28% off
      €1,081 €763
    • IAD 10:00 AM
      39h 45m
      1 stop
      ICN 3:45 PM
      Washington D.C. - Seoul | Sat, Nov 28 | Ethiopian Airlines
      ICN 12:10 AM
      45h 50m
      1 stop
      IAD 8:00 AM
      Seoul - Washington D.C. | Sat, Dec 5 | Ethiopian Airlines
      €777
      28% off
      €1,081 €777
    • IAD 10:00 AM
      39h 45m
      1 stop
      ICN 3:45 PM
      Washington D.C. - Seoul | Mon, Nov 23 | Ethiopian Airlines
      ICN 12:10 AM
      45h 50m
      1 stop
      IAD 8:00 AM
      Seoul - Washington D.C. | Mon, Nov 30 | Ethiopian Airlines
      €783
      28% off
      €1,081 €783
    • IAD 10:00 AM
      39h 45m
      1 stop
      ICN 3:45 PM
      Washington D.C. - Seoul | Thu, Nov 19 | Ethiopian Airlines
      ICN 12:10 AM
      45h 50m
      1 stop
      IAD 8:00 AM
      Seoul - Washington D.C. | Thu, Nov 26 | Ethiopian Airlines
      €784
      27% off
      €1,081 €784
    • IAD 10:00 AM
      39h 45m
      1 stop
      ICN 3:45 PM
      Washington D.C. - Seoul | Tue, Nov 24 | Ethiopian Airlines
      ICN 12:10 AM
      45h 50m
      1 stop
      IAD 8:00 AM
      Seoul - Washington D.C. | Tue, Dec 1 | Ethiopian Airlines
      €790
      27% off
      €1,081 €790
    • WAS 1:00 PM
      17h 25m
      1 stop
      SEL 2:00 PM
      Washington D.C. - Seoul | Sun, Nov 15 | Normal Airline
      SEL 3:00 PM
      6h
      Nonstop
      WAS 4:00 PM
      Seoul - Washington D.C. | Tue, Nov 17 | Normal Airline
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    • Cheapest
      IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Mon, Nov 16 | Air Premia
      €430 €740
      42% off
      42% off
      €740 €430
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Sun, Dec 6 | Air Premia
      €460 €740
      38% off
      38% off
      €740 €460
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Sun, Nov 15 | Air Premia
      €464 €893
      48% off
      48% off
      €893 €464
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Fri, Nov 27 | Air Premia
      €467
      37% off
      €740 €467
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Mon, Dec 7 | Air Premia
      €468
      37% off
      €740 €468
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Wed, Nov 25 | Air Premia
      €471
      36% off
      €740 €471
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Mon, Nov 30 | Air Premia
      €472
      36% off
      €740 €472
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Sun, Jan 24 | Air Premia
      €481
      46% off
      €893 €481
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Wed, Dec 2 | Air Premia
      €484
      35% off
      €740 €484
    • WAS 1:00 PM
      17h 25m
      1 stop
      SEL 2:00 PM
      Washington D.C. - Seoul | Sun, Nov 15 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Mon, Nov 16 | Air Premia
      €430 €1,118
      62% off
      62% off
      €1,118 €430
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Sun, Nov 15 | Air Premia
      €464 €1,118
      57% off
      57% off
      €1,118 €464
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Fri, Nov 27 | Air Premia
      €467 €1,118
      57% off
      57% off
      €1,118 €467
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Wed, Nov 25 | Air Premia
      €471
      57% off
      €1,118 €471
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Mon, Nov 30 | Air Premia
      €472
      57% off
      €1,118 €472
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Sun, Jan 24 | Air Premia
      €481
      56% off
      €1,118 €481
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Wed, Dec 2 | Air Premia
      €484
      56% off
      €1,118 €484
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Mon, Jan 18 | Air Premia
      €518
      54% off
      €1,118 €518
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Wed, Jan 20 | Air Premia
      €519
      54% off
      €1,118 €519
    • WAS 1:00 PM
      17h 25m
      1 stop
      SEL 2:00 PM
      Washington D.C. - Seoul | Sun, Nov 15 | Normal Airline
      Find more flights
      Find more flights
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Mon, Nov 16 | Air Premia
      €430 €740
      42% off
      42% off
      €740 €430
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Sun, Dec 6 | Air Premia
      €460 €740
      38% off
      38% off
      €740 €460
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Sun, Nov 15 | Air Premia
      €464 €893
      48% off
      48% off
      €893 €464
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Fri, Nov 27 | Air Premia
      €467
      37% off
      €740 €467
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Mon, Dec 7 | Air Premia
      €468
      37% off
      €740 €468
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Wed, Nov 25 | Air Premia
      €471
      36% off
      €740 €471
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Mon, Nov 30 | Air Premia
      €472
      36% off
      €740 €472
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Sun, Jan 24 | Air Premia
      €481
      46% off
      €893 €481
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Wed, Dec 2 | Air Premia
      €484
      35% off
      €740 €484
    • WAS 1:00 PM
      17h 25m
      1 stop
      SEL 2:00 PM
      Washington D.C. - Seoul | Sun, Nov 15 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      IAD 11:50 AM
      15h 50m
      Nonstop
      ICN 5:40 PM
      Washington D.C. - Seoul | Sat, Nov 14 | Korean Air
      €1,645 €2,284
      28% off
      28% off
      €2,284 €1,645
    • IAD 11:55 PM
      20h 35m
      1 stop
      ICN 10:30 AM
      Washington D.C. - Seoul | Sat, Nov 14 | EVA Air
      €581 €2,284
      75% off
      75% off
      €2,284 €581
    • IAD 7:14 AM
      19h 31m
      1 stop
      ICN 4:45 PM
      Washington D.C. - Seoul | Sun, Nov 15 | American Airlines
      €788 €2,284
      65% off
      65% off
      €2,284 €788
    • IAD 8:05 AM
      20h 15m
      1 stop
      ICN 6:20 PM
      Washington D.C. - Seoul | Sun, Nov 15 | Korean Air
      €776
      66% off
      €2,284 €776
    • IAD 11:50 AM
      15h 50m
      Nonstop
      ICN 5:40 PM
      Washington D.C. - Seoul | Sun, Nov 15 | Korean Air
      €629
      72% off
      €2,284 €629
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Sun, Nov 15 | Air Premia
      €464
      80% off
      €2,284 €464
    • IAD 6:15 AM
      20h
      1 stop
      ICN 4:15 PM
      Washington D.C. - Seoul | Mon, Nov 16 | United Airlines
      €731
      68% off
      €2,284 €731
    • IAD 8:05 AM
      20h 15m
      1 stop
      ICN 6:20 PM
      Washington D.C. - Seoul | Mon, Nov 16 | Korean Air
      €715
      69% off
      €2,284 €715
    • IAD 9:55 AM
      18h 30m
      1 stop
      ICN 6:25 PM
      Washington D.C. - Seoul | Mon, Nov 16 | Air Canada
      €577
      75% off
      €2,284 €577
    • WAS 1:00 PM
      17h 25m
      1 stop
      SEL 2:00 PM
      Washington D.C. - Seoul | Sun, Nov 15 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Mon, Nov 16 | Air Premia
      €430 €740
      42% off
      42% off
      €740 €430
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Sun, Dec 6 | Air Premia
      €460 €740
      38% off
      38% off
      €740 €460
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Sun, Nov 15 | Air Premia
      €464 €893
      48% off
      48% off
      €893 €464
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Fri, Nov 27 | Air Premia
      €467
      37% off
      €740 €467
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Mon, Dec 7 | Air Premia
      €468
      37% off
      €740 €468
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Wed, Nov 25 | Air Premia
      €471
      36% off
      €740 €471
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Mon, Nov 30 | Air Premia
      €472
      36% off
      €740 €472
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Sun, Jan 24 | Air Premia
      €481
      46% off
      €893 €481
    • IAD 11:35 PM
      15h 50m
      Nonstop
      ICN 5:25 AM
      Washington D.C. - Seoul | Wed, Dec 2 | Air Premia
      €484
      35% off
      €740 €484
    • WAS 1:00 PM
      17h 25m
      1 stop
      SEL 2:00 PM
      Washington D.C. - Seoul | Sun, Nov 15 | Normal Airline
      Find more flights
      Find more flights

Displayed flight fares from Washington D.C. to Seoul are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from Dulles International Airport to Incheon Intl. Airport?

The cheapest airline flying from Dulles International Airport to Incheon Intl. Airport is Air Premia (from €430) among 8 carriers operating this route. Based on Trip.com's latest 7-day flight data.
Frontier Airlines logo Frontier Airlines American Airlines logo American Airlines Delta Air Lines logo Delta Air Lines United Airlines logo United Airlines Alaska Airlines logo Alaska Airlines
Air Premia logo Air Premia Korean Air logo Korean Air Delta Air Lines logo Delta Air Lines EVA Air logo EVA Air United Airlines logo United Airlines American Airlines logo American Airlines Alaska Airlines logo Alaska Airlines Air Canada logo Air Canada

Trip.com Price Insights: Flights from Dulles International Airport to Incheon Intl. Airport

What’s the cheapest month to fly round-trip from Dulles International Airport to Incheon Intl. Airport?

The data is based on the past 12 months and shows the average monthly round-trip fares from Dulles International Airport to Incheon Intl. Airport in the Trip.com database.

Based on Trip.com’s data from the past 12 months, September is typically the cheapest month to find flights from Dulles International Airport to Incheon Intl. Airport, with an average price of €1,056. In contrast, December is usually the most expensive month, with average fares reaching €2,585.

€2,585
€1,821
€1,056
€292
    Cheapest
  • €1,955
    Nov
  • €2,585
    Dec
  • €1,639
    Jan
  • €1,612
    Feb
  • €1,608
    Mar
  • €1,473
    Apr
  • €1,588
    May
  • €1,723
    Jun
  • €1,501
    Jul
  • €1,134
    Aug
  • €1,056
    Sep
  • €1,125
    Oct

What is the cheapest month for one-way flights from Dulles International Airport to Incheon Intl. Airport?

Data is based on average one-way flight prices from Dulles International Airport to Incheon Intl. Airport in Trip.com's database over the past 12 months.

Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from Dulles International Airport to Incheon Intl. Airport, the best time to buy is in September, with an average price of €532. You’ll want to avoid December, when the average price can reach as high as €1,650.

€1,650
€1,091
€532
0
    Cheapest
  • €917
    Nov
  • €1,650
    Dec
  • €783
    Jan
  • €991
    Feb
  • €831
    Mar
  • €694
    Apr
  • €757
    May
  • €1,346
    Jun
  • €831
    Jul
  • €579
    Aug
  • €532
    Sep
  • €589
    Oct

What is the cheapest day of the week to fly from Dulles International Airport to Incheon Intl. Airport?

The data is based on the past 12 months and shows the average ticket prices from Dulles International Airport to Incheon Intl. Airport for each day of the week in the Trip.com database.

Based on Trip.com’s data from the past 12 months, the cheapest day to depart from Dulles International Airport to Incheon Intl. Airport is Wednesday, with average fares typically lower than other days. You’ll want to avoid flying on Saturday, as ticket prices are usually the highest that day.

€1,106
€867
€627
€388
    Cheapest
  • €676
    Mon
  • €824
    Tue
  • €627
    Wed
  • €1,037
    Thu
  • €730
    Fri
  • €1,106
    Sat
  • €755
    Sun

What is the flight schedule from Dulles International Airport to Incheon Intl. Airport?

Check the schedule for flights from Washington D.C. to Seoul and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. YP136

    Dulles International Airport

    12:35 AM

    IAD

    15h 50m

    5:25 AM

    ICN

    S - T - T - -
    Search

  2. DL1354

    Dulles International Airport

    7:00 AM

    IAD

    2h

    Nonstop

    9:00 AM

    ATL

    S M T W T F S
    Search

  3. DL672

    Hartsfield–Jackson Atlanta International Airport

    9:40 AM

    ATL

    5h 19m

    Nonstop

    11:59 AM

    SFO

    S M T W T F S

  4. YP112

    San Francisco Intl. Airport

    5:00 PM

    SFO

    12h 40m

    Nonstop

    9:40 PM

    ICN

    - - T - T F S

  5. DL1444

    Dulles International Airport

    12:32 PM

    IAD

    1h 52m

    Nonstop

    2:24 PM

    ATL

    S M T W T - S
    Search

  6. DL517

    Hartsfield–Jackson Atlanta International Airport

    5:20 PM

    ATL

    5h 17m

    Nonstop

    7:37 PM

    SFO

    S M T - T F S

  7. YP112

    San Francisco Intl. Airport

    5:00 PM

    SFO

    12h 40m

    Nonstop

    9:40 PM

    ICN

    - - T - T F S

  8. AS409

    Dulles International Airport

    7:46 AM

    IAD

    5h 50m

    Nonstop

    10:36 AM

    SEA

    S M T W T F S
    Search

  9. AS688

    Seattle Tacoma Intl. Airport

    1:50 PM

    SEA

    2h 11m

    Nonstop

    4:01 PM

    SFO

    S M T W T - S

  10. YP112

    San Francisco Intl. Airport

    5:00 PM

    SFO

    12h 40m

    Nonstop

    9:40 PM

    ICN

    - - T - T F S
Find more flights and airlines

FAQs for Dulles International Airport to Incheon Intl. Airport Flights

  • How long is the flight from Dulles International Airport to Incheon Intl. Airport?

    Dulles International Airport to Incheon Intl. Airport takes about 15 hours 12 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 3 daily flights from Dulles International Airport (IAD) to Incheon Intl. Airport (ICN).
  • The earliest flight from Dulles International Airport to Incheon Intl. Airport departs at 11:50, and the last departs at 23:35, with about 2 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Dulles International Airport (IAD) to Incheon Intl. Airport (ICN) is quite popular. Without considering departure times or holidays, tickets cost around €1,476 in December, the most expensive month to book this route.
    • The distance from Incheon International Airport to downtown is about 48 km. It takes about 1 hour by taxi.
    • The distance from Gimpo International Airport to downtown is about 15 km. It takes about 30 minutes by taxi.
  • Korean Air is a very popular airline operating an average of 582 flights per month.
  • One-way flights from Dulles International Airport to Incheon Intl. Airport currently start from €430, and round-trip fares start from €716. The current lowest fare is a Air Premia flight departing on Mon, Nov 16; prices may vary depending on availability.
  • Yes. Korean Air and Air Premia operate direct flights from Dulles International Airport to Incheon Intl. Airport, with an average flight time of 15 hours 10 minutes, and around 11 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Dulles International Airport to Incheon Intl. Airport is €905. Prices may vary depending on the departure date, airline, and availability.
  • Dulles International Airport to Incheon Intl. Airport operates around 10 weekly flights, mainly by Korean Air and Air Premia. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Dulles International Airport and Incheon Intl. Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.