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Incheon Intl. Airport to Dulles International Airport flight

Explore the cheapest one-way and round-trip flights from Incheon Intl. Airport to Dulles International Airport over the next 90 days, with one-way fares from €475 and round-trip from €635. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        ICN 9:05 PM
        13h 30m
        Nonstop
        IAD 8:35 PM
        Seoul - Washington D.C. | Mon, Nov 9 | Air Premia
        IAD 11:35 PM
        15h 50m
        Nonstop
        ICN 5:25 AM
        Washington D.C. - Seoul | Wed, Nov 11 | Air Premia
        €1,003 €1,356
        26% off
        26% off
        €1,356 €1,003
      • ICN 10:00 AM
        13h 50m
        Nonstop
        IAD 10:50 AM
        Seoul - Washington D.C. | Mon, Oct 12 | Air Premia
        IAD 1:20 PM
        15h 35m
        Nonstop
        ICN 5:55 PM
        Washington D.C. - Seoul | Wed, Oct 14 | Air Premia
        €1,030 €1,356
        24% off
        24% off
        €1,356 €1,030
      • ICN 6:00 PM
        27h 28m
        1 stop
        IAD 7:28 AM
        Seoul - Washington D.C. | Thu, Nov 5 | United Airlines
        IAD 6:10 AM
        20h 15m
        1 stop
        ICN 4:25 PM
        Washington D.C. - Seoul | Sat, Nov 7 | United Airlines
        €635 €1,356
        53% off
        53% off
        €1,356 €635
      • ICN 6:00 PM
        27h 3m
        1 stop
        IAD 7:03 AM
        Seoul - Washington D.C. | Mon, Nov 9 | United Airlines
        IAD 6:10 AM
        20h 15m
        1 stop
        ICN 4:25 PM
        Washington D.C. - Seoul | Wed, Nov 11 | United Airlines
        €645
        52% off
        €1,356 €645
      • ICN 6:00 PM
        26h 28m
        1 stop
        IAD 7:28 AM
        Seoul - Washington D.C. | Thu, Oct 29 | United Airlines
        DCA 7:00 AM
        19h 25m
        1 stop
        ICN 3:25 PM
        Washington D.C. - Seoul | Sat, Oct 31 | United Airlines
        €739
        46% off
        €1,356 €739
      • ICN 6:00 PM
        27h 23m
        1 stop
        IAD 7:23 AM
        Seoul - Washington D.C. | Sun, Nov 8 | United Airlines
        DCA 7:00 AM
        19h 25m
        1 stop
        ICN 4:25 PM
        Washington D.C. - Seoul | Tue, Nov 10 | United Airlines
        €746
        45% off
        €1,356 €746
      • ICN 6:50 PM
        17h 33m
        1 stop
        IAD 11:23 PM
        Seoul - Washington D.C. | Mon, Oct 26 | American Airlines
        DCA 6:59 AM
        20h 46m
        1 stop
        ICN 4:45 PM
        Washington D.C. - Seoul | Wed, Oct 28 | American Airlines
        €776
        43% off
        €1,356 €776
      • ICN 6:50 PM
        18h 40m
        1 stop
        IAD 11:30 PM
        Seoul - Washington D.C. | Mon, Nov 9 | American Airlines
        DCA 3:31 PM
        35h 14m
        1 stop
        ICN 4:45 PM
        Washington D.C. - Seoul | Wed, Nov 11 | American Airlines
        €787
        42% off
        €1,356 €787
      • ICN 6:50 PM
        18h 29m
        1 stop
        IAD 11:19 PM
        Seoul - Washington D.C. | Thu, Nov 5 | American Airlines
        DCA 7:00 PM
        31h 25m
        1 stop
        ICN 4:25 PM
        Washington D.C. - Seoul | Sat, Nov 7 | American Airlines
        €827
        39% off
        €1,356 €827
      • ICN 8:10 PM
        33h 35m
        1 stop
        IAD 3:45 PM
        Seoul - Washington D.C. | Mon, Nov 9 | Air Canada
        DCA 6:55 PM
        33h 30m
        1 stop
        ICN 6:25 PM
        Washington D.C. - Seoul | Wed, Nov 11 | Air Canada
        €862
        36% off
        €1,356 €862
      • ICN 8:10 PM
        33h 35m
        1 stop
        IAD 3:45 PM
        Seoul - Washington D.C. | Fri, Nov 27 | Air Canada
        DCA 8:45 PM
        31h 40m
        1 stop
        ICN 6:25 PM
        Washington D.C. - Seoul | Sun, Nov 29 | Air Canada
        €863
        36% off
        €1,356 €863
      • ICN 6:50 PM
        18h 19m
        1 stop
        IAD 11:09 PM
        Seoul - Washington D.C. | Fri, Nov 27 | American Airlines
        DCA 3:43 PM
        35h 2m
        1 stop
        ICN 4:45 PM
        Washington D.C. - Seoul | Sun, Nov 29 | American Airlines
        €887
        35% off
        €1,356 €887
      • ICN 6:50 PM
        17h 33m
        1 stop
        IAD 11:23 PM
        Seoul - Washington D.C. | Sat, Oct 31 | American Airlines
        IAD 7:09 PM
        31h 16m
        1 stop
        ICN 4:25 PM
        Washington D.C. - Seoul | Mon, Nov 2 | American Airlines
        €913
        33% off
        €1,356 €913
      • ICN 7:10 PM
        33h 35m
        1 stop
        IAD 3:45 PM
        Seoul - Washington D.C. | Mon, Oct 26 | Air Canada
        DCA 6:55 PM
        33h 30m
        1 stop
        ICN 5:25 PM
        Washington D.C. - Seoul | Wed, Oct 28 | Air Canada
        €930
        31% off
        €1,356 €930
      • SEL 1:00 PM
        17h 25m
        1 stop
        WAS 2:00 PM
        Seoul - Washington D.C. | Wed, Oct 7 | Normal Airline
        WAS 3:00 PM
        6h
        Nonstop
        SEL 4:00 PM
        Washington D.C. - Seoul | Fri, Oct 9 | Normal Airline
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      • Cheapest nonstop
        ICN 9:05 PM
        13h 30m
        Nonstop
        IAD 8:35 PM
        Seoul - Washington D.C. | Wed, Nov 25 | Air Premia
        €542 €803
        33% off
        33% off
        €803 €542
      • ICN 9:05 PM
        13h 30m
        Nonstop
        IAD 9:35 PM
        Seoul - Washington D.C. | Fri, Oct 30 | Air Premia
        €544 €803
        32% off
        32% off
        €803 €544
      • ICN 10:00 AM
        13h 50m
        Nonstop
        IAD 10:50 AM
        Seoul - Washington D.C. | Fri, Oct 23 | Air Premia
        €610 €803
        24% off
        24% off
        €803 €610
      • ICN 10:00 AM
        13h 50m
        Nonstop
        IAD 10:50 AM
        Seoul - Washington D.C. | Wed, Oct 21 | Air Premia
        €610
        24% off
        €803 €610
      • ICN 10:00 AM
        13h 50m
        Nonstop
        IAD 10:50 AM
        Seoul - Washington D.C. | Fri, Oct 16 | Air Premia
        €610
        24% off
        €803 €610
      • ICN 10:00 AM
        13h 50m
        Nonstop
        IAD 10:50 AM
        Seoul - Washington D.C. | Wed, Oct 14 | Air Premia
        €610
        24% off
        €803 €610
      • ICN 9:55 PM
        33h 33m
        1 stop
        IAD 5:28 PM
        Seoul - Washington D.C. | Thu, Nov 19 | Air Premia
        €475
        41% off
        €803 €475
      • ICN 9:55 PM
        33h 33m
        1 stop
        IAD 5:28 PM
        Seoul - Washington D.C. | Sun, Nov 22 | Air Premia
        €478
        40% off
        €803 €478
      • ICN 9:55 PM
        33h 33m
        1 stop
        IAD 5:28 PM
        Seoul - Washington D.C. | Thu, Nov 12 | Air Premia
        €479
        40% off
        €803 €479
      • ICN 9:55 PM
        33h 33m
        1 stop
        IAD 5:28 PM
        Seoul - Washington D.C. | Mon, Nov 9 | Air Premia
        €486
        39% off
        €803 €486
      • ICN 6:50 PM
        34h 58m
        1 stop
        IAD 3:48 PM
        Seoul - Washington D.C. | Tue, Nov 17 | American Airlines
        €516
        36% off
        €803 €516
      • ICN 8:10 PM
        34h 14m
        1 stop
        IAD 4:24 PM
        Seoul - Washington D.C. | Tue, Nov 17 | Air Canada
        €597
        26% off
        €803 €597
      • SEL 1:00 PM
        17h 25m
        1 stop
        WAS 2:00 PM
        Seoul - Washington D.C. | Wed, Oct 7 | Normal Airline
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Displayed flight fares from Incheon Intl. Airport to Dulles International Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

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

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

Data is based on average one-way flight prices from Incheon Intl. Airport to Dulles International 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 Incheon Intl. Airport to Dulles International Airport, the best time to buy is in September, with an average price of €598. You’ll want to avoid October, when the average price can reach as high as €1,357.

€1,357
€978
€598
€219
    Cheapest
  • €1,357
    Oct
  • €908
    Nov
  • €995
    Dec
  • €1,266
    Jan
  • €670
    Feb
  • €1,109
    Mar
  • €857
    Apr
  • €708
    May
  • €769
    Jun
  • €960
    Jul
  • €1,006
    Aug
  • €598
    Sep

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

The data is based on the past 12 months and shows the average monthly round-trip fares from Incheon Intl. Airport to Dulles International 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 Incheon Intl. Airport to Dulles International Airport, with an average price of €1,032. In contrast, June is usually the most expensive month, with average fares reaching €1,758.

€1,758
€1,395
€1,032
€669
    Cheapest
  • €1,211
    Oct
  • €1,271
    Nov
  • €1,080
    Dec
  • €1,337
    Jan
  • €1,052
    Feb
  • €1,276
    Mar
  • €1,372
    Apr
  • €1,526
    May
  • €1,758
    Jun
  • €1,508
    Jul
  • €1,518
    Aug
  • €1,032
    Sep

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

The data is based on the past 12 months and shows the average ticket prices from Incheon Intl. Airport to Dulles International 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 Incheon Intl. Airport to Dulles International Airport is Tuesday, 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.

€1,230
€1,011
€792
€573
  • €838
    Mon
  • €792
    Tue
  • €909
    Wed
  • €1,061
    Thu
  • €912
    Fri
  • €1,230
    Sat
  • €889
    Sun

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

The cheapest airline flying from Incheon Intl. Airport to Dulles International Airport is Air Premia (from €386) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Air Premia
From €386
United Airlines
From €388
Cebu Pacific
From €431
Eastar Jet
From €470
Vietnam Airlines
From €478
Thai Vietjet Air
From €491
Jeju Air
From €504
Trinity Airways
From €507
American Airlines
From €516
Alaska Airlines
From €517

Find more flights and airlines

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

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. YP135

    Incheon Intl. Airport

    9:05 PM

    ICN

    13h 30m

    9:35 PM

    IAD

    S - T - T - S
    Search

  2. YP111

    Incheon Intl. Airport

    7:15 PM

    ICN

    11h

    Nonstop

    2:15 PM

    SFO

    S - T - T - S
    Search

  3. DL495

    San Francisco Intl. Airport

    10:30 PM

    SFO

    4h 37m

    Nonstop

    6:07 AM

    ATL

    S M T W T F S

  4. DL1324

    Hartsfield–Jackson Atlanta International Airport

    7:35 AM

    ATL

    1h 44m

    Nonstop

    9:19 AM

    IAD

    S M T W T F S

  5. UA286

    Incheon Intl. Airport

    5:15 PM

    ICN

    13h 45m

    Nonstop

    6:00 PM

    EWR

    S M T W T F S
    Search

  6. UA1618

    Newark Liberty Intl. Airport Airport

    9:59 AM

    EWR

    1h 26m

    Nonstop

    11:25 AM

    IAD

    S M T W T F S

  7. AA280

    Incheon Intl. Airport

    6:50 PM

    ICN

    13h

    Nonstop

    4:50 PM

    DFW

    S M T W T F S
    Search

  8. AA1863

    Dallas Fort Worth International Airport

    2:25 PM

    DFW

    2h 58m

    Nonstop

    6:23 PM

    IAD

    S M T W T F S

  9. TW101

    Incheon Intl. Airport

    6:00 PM

    ICN

    6h 5m

    Nonstop

    10:05 PM

    BKK

    S M T W T F S
    Search

  10. EY403

    Suvarnabhumi Intl. Airport

    9:15 AM

    BKK

    6h 20m

    Nonstop

    12:35 PM

    AUH

    S M T W T F S

  11. EY005

    Abu Dhabi Intl. Airport

    3:15 AM

    AUH

    15h 30m

    Nonstop

    9:45 AM

    IAD

    S M T W T F S
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About Incheon Intl. Airport and Dulles International Airport

Learn about Incheon Intl. Airport (ICN) and Dulles International Airport (IAD) — including location, terminals, transportation, and travel tips.

Flight distance 11,187.22 km
Cheapest one-way ticket price €475
Cheapest return ticket price €635

FAQs for Incheon Intl. Airport to Dulles International Airport Flights

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

    Incheon Intl. Airport to Dulles International Airport takes about 13 hours 18 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 3 daily flights from Incheon Intl. Airport (ICN) to Dulles International Airport (IAD).
  • The earliest flight from Incheon Intl. Airport to Dulles International Airport departs at 10:00, and the last departs at 10:25, 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 Incheon Intl. Airport (ICN) to Dulles International Airport (IAD) is quite popular. Without considering departure times or holidays, tickets cost around €1,026 in November, the most expensive month to book this route.
  • Korean Air is a very popular airline operating an average of 779 flights per month.
  • One-way flights from Incheon Intl. Airport to Dulles International Airport currently start from €475, and round-trip fares start from €635. The current lowest fare is a Air Premia flight departing on Thu, Nov 19; prices may vary depending on availability.
  • Yes. Air Premia operate direct flights from Incheon Intl. Airport to Dulles International Airport, with an average flight time of 13 hours 12 minutes, and around 2 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 Incheon Intl. Airport to Dulles International Airport is €953. Prices may vary depending on the departure date, airline, and availability.
  • Incheon Intl. Airport to Dulles International Airport operates around 10 weekly flights, mainly by Korean Air and Air Premia. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Incheon Intl. Airport and Dulles International 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.