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Incheon International Airport to Dulles International Airport flight

Explore the cheapest one-way and round-trip flights from Incheon International Airport to Dulles International Airport over the next 90 days, with one-way fares from €378 and round-trip from €622. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        ICN 10:00 AM
        13h 50m
        Nonstop
        IAD 10:50 AM
        Seoul - Washington D.C. | Wed, Oct 14 | Air Premia
        IAD 1:20 PM
        15h 35m
        Nonstop
        ICN 5:55 PM
        Washington D.C. - Seoul | Fri, Oct 16 | Air Premia
        €856 €1,213
        28% off
        28% off
        €1,213 €856
      • 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
        €982 €1,213
        19% off
        19% off
        €1,213 €982
      • ICN 6:00 PM
        27h 28m
        1 stop
        IAD 7:28 AM
        Seoul - Washington D.C. | Thu, Nov 12 | United Airlines
        IAD 6:10 AM
        20h 15m
        1 stop
        ICN 4:25 PM
        Washington D.C. - Seoul | Sat, Nov 14 | United Airlines
        €622 €1,213
        49% off
        49% off
        €1,213 €622
      • ICN 6:00 PM
        27h 3m
        1 stop
        IAD 7:03 AM
        Seoul - Washington D.C. | Mon, Nov 16 | United Airlines
        IAD 6:10 AM
        20h 15m
        1 stop
        ICN 4:25 PM
        Washington D.C. - Seoul | Wed, Nov 18 | United Airlines
        €632
        48% off
        €1,213 €632
      • ICN 5:15 PM
        27h 4m
        1 stop
        IAD 7:19 AM
        Seoul - Washington D.C. | Wed, Oct 28 | United Airlines
        IAD 6:35 AM
        19h 25m
        1 stop
        ICN 3:00 PM
        Washington D.C. - Seoul | Fri, Oct 30 | United Airlines
        €633
        48% off
        €1,213 €633
      • ICN 11:30 AM
        32h 31m
        1 stop
        IAD 7:01 AM
        Seoul - Washington D.C. | Fri, Oct 9 | United Airlines
        IAD 6:45 AM
        19h 35m
        1 stop
        ICN 3:20 PM
        Washington D.C. - Seoul | Sun, Oct 11 | United Airlines
        €642
        47% off
        €1,213 €642
      • ICN 4:50 PM
        27h 41m
        1 stop
        IAD 7:31 AM
        Seoul - Washington D.C. | Fri, Oct 30 | United Airlines
        DCA 7:00 AM
        19h 25m
        1 stop
        ICN 3:25 PM
        Washington D.C. - Seoul | Sun, Nov 1 | United Airlines
        €745
        39% off
        €1,213 €745
      • ICN 11:30 AM
        32h 31m
        1 stop
        IAD 7:01 AM
        Seoul - Washington D.C. | Sat, Oct 3 | United Airlines
        IAD 6:45 AM
        19h 35m
        1 stop
        ICN 3:20 PM
        Washington D.C. - Seoul | Mon, Oct 5 | United Airlines
        €746
        38% off
        €1,213 €746
      • ICN 6:00 PM
        27h 28m
        1 stop
        IAD 7:28 AM
        Seoul - Washington D.C. | Fri, Nov 20 | United Airlines
        IAD 6:10 AM
        20h 15m
        1 stop
        ICN 4:25 PM
        Washington D.C. - Seoul | Sun, Nov 22 | United Airlines
        €757
        38% off
        €1,213 €757
      • ICN 11:30 AM
        33h 1m
        1 stop
        IAD 7:31 AM
        Seoul - Washington D.C. | Fri, Oct 23 | United Airlines
        IAD 6:45 AM
        19h 35m
        1 stop
        ICN 3:20 PM
        Washington D.C. - Seoul | Sun, Oct 25 | United Airlines
        €758
        38% off
        €1,213 €758
      • ICN 6:50 PM
        17h 33m
        1 stop
        IAD 11:23 PM
        Seoul - Washington D.C. | Mon, Nov 2 | American Airlines
        DCA 6:59 AM
        20h 46m
        1 stop
        ICN 4:45 PM
        Washington D.C. - Seoul | Wed, Nov 4 | American Airlines
        €760
        37% off
        €1,213 €760
      • ICN 4:50 PM
        27h 10m
        1 stop
        IAD 7:00 AM
        Seoul - Washington D.C. | Fri, Sep 25 | United Airlines
        IAD 6:15 AM
        20h 5m
        1 stop
        ICN 3:20 PM
        Washington D.C. - Seoul | Sun, Sep 27 | United Airlines
        €769
        37% off
        €1,213 €769
      • ICN 6:50 PM
        18h 40m
        1 stop
        IAD 11:30 PM
        Seoul - Washington D.C. | Mon, Nov 16 | American Airlines
        DCA 3:31 PM
        35h 14m
        1 stop
        ICN 4:45 PM
        Washington D.C. - Seoul | Wed, Nov 18 | American Airlines
        €771
        36% off
        €1,213 €771
      • ICN 5:50 PM
        18h 33m
        1 stop
        IAD 11:23 PM
        Seoul - Washington D.C. | Wed, Oct 28 | American Airlines
        DCA 5:00 AM
        21h 45m
        1 stop
        ICN 3:45 PM
        Washington D.C. - Seoul | Fri, Oct 30 | American Airlines
        €771
        36% off
        €1,213 €771
      • SEL 1:00 PM
        17h 25m
        1 stop
        WAS 2:00 PM
        Seoul - Washington D.C. | Fri, Sep 25 | Normal Airline
        WAS 3:00 PM
        6h
        Nonstop
        SEL 4:00 PM
        Washington D.C. - Seoul | Sun, Sep 27 | Normal Airline
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      • Cheapest nonstop
        ICN 10:00 AM
        13h 50m
        Nonstop
        IAD 10:50 AM
        Seoul - Washington D.C. | Mon, Oct 26 | Air Premia
        €378 €571
        34% off
        34% off
        €571 €378
      • ICN 9:55 PM
        32h 38m
        1 stop
        IAD 5:33 PM
        Seoul - Washington D.C. | Tue, Nov 10 | Air Premia
        €378 €571
        34% off
        34% off
        €571 €378
      • ICN 5:15 PM
        36h 8m
        1 stop
        IAD 4:23 PM
        Seoul - Washington D.C. | Mon, Oct 26 | United Airlines
        €382 €571
        33% off
        33% off
        €571 €382
      • ICN 9:25 PM
        33h 8m
        1 stop
        IAD 5:33 PM
        Seoul - Washington D.C. | Tue, Nov 3 | Air Premia
        €416
        27% off
        €571 €416
      • ICN 9:25 PM
        33h 8m
        1 stop
        IAD 5:33 PM
        Seoul - Washington D.C. | Sun, Nov 1 | Air Premia
        €435
        24% off
        €571 €435
      • ICN 9:25 PM
        33h 8m
        1 stop
        IAD 5:33 PM
        Seoul - Washington D.C. | Mon, Nov 2 | Air Premia
        €458
        20% off
        €571 €458
      • ICN 9:25 PM
        27h 25m
        1 stop
        IAD 11:50 AM
        Seoul - Washington D.C. | Thu, Nov 5 | Air Premia
        €459
        20% off
        €571 €459
      • ICN 9:55 PM
        32h 38m
        1 stop
        IAD 5:33 PM
        Seoul - Washington D.C. | Wed, Nov 11 | Air Premia
        €459
        20% off
        €571 €459
      • ICN 9:55 PM
        33h 38m
        1 stop
        IAD 5:33 PM
        Seoul - Washington D.C. | Thu, Nov 19 | Air Premia
        €460
        19% off
        €571 €460
      • ICN 9:25 PM
        33h 8m
        1 stop
        IAD 5:33 PM
        Seoul - Washington D.C. | Thu, Oct 29 | Air Premia
        €460
        19% off
        €571 €460
      • ICN 9:25 PM
        33h 8m
        1 stop
        IAD 5:33 PM
        Seoul - Washington D.C. | Tue, Oct 20 | Air Premia
        €462
        19% off
        €571 €462
      • ICN 9:25 PM
        33h 21m
        1 stop
        IAD 5:46 PM
        Seoul - Washington D.C. | Tue, Oct 13 | Air Premia
        €462
        19% off
        €571 €462
      • SEL 1:00 PM
        17h 25m
        1 stop
        WAS 2:00 PM
        Seoul - Washington D.C. | Fri, Sep 25 | Normal Airline
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Flight fares from Incheon International Airport to Dulles International Airport are based on average airline prices for the next 3 months, according to Trip.com’s latest data.

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

Which month has the lowest one-way flight price from Incheon International Airport to Dulles International Airport?

The data is based on the average one-way flight prices on Trip.com for flights from Incheon International Airport to Dulles International Airport across different months over the past 12 months.

Based on Trip.com data from the past 12 months, if you’re looking for low one-way flight fares from Incheon International Airport to Dulles International Airport, the best time to book is in February, with an average price of €656. Try to avoid October, when prices are highest, averaging around €1,390.

€1,390
€1,023
€656
€289
    Cheapest
  • €1,147
    Sep
  • €1,390
    Oct
  • €889
    Nov
  • €974
    Dec
  • €1,239
    Jan
  • €656
    Feb
  • €1,085
    Mar
  • €839
    Apr
  • €694
    May
  • €752
    Jun
  • €940
    Jul
  • €985
    Aug

Which month is the cheapest for round-trip flights from Incheon International Airport to Dulles International Airport?

The data is based on the average round-trip flight prices on Trip.com for flights from Incheon International Airport to Dulles International Airport across different months over the past 12 months.

Based on Trip.com data from the past 12 months, February is usually the cheapest month to find flights from Incheon International Airport to Dulles International Airport, with an average price of €1,030. In contrast, June is typically the most expensive month, with average prices reaching €1,721.

€1,721
€1,376
€1,030
€685
    Cheapest
  • €1,248
    Sep
  • €1,451
    Oct
  • €1,245
    Nov
  • €1,057
    Dec
  • €1,309
    Jan
  • €1,030
    Feb
  • €1,250
    Mar
  • €1,344
    Apr
  • €1,494
    May
  • €1,721
    Jun
  • €1,476
    Jul
  • €1,486
    Aug

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

The data is based on the average flight prices on Trip.com from Incheon International Airport to Dulles International Airport across different days of the week over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to depart from Incheon International Airport to Dulles International Airport is usually Tuesday, with average fares typically lower than other days. Try to avoid departing on Saturday, as prices are usually the highest on that day.

€1,204
€990
€775
€561
  • €828
    Mon
  • €775
    Tue
  • €898
    Wed
  • €1,039
    Thu
  • €910
    Fri
  • €1,204
    Sat
  • €871
    Sun

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

The cheapest airline flying from Incheon International Airport to Dulles International Airport is Air Premia (from €378) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Air Premia
From €378
United Airlines
From €382
Jeju Air
From €428
Philippine Airlines
From €447
Vietnam Airlines
From €488
American Airlines
From €491
Asiana Airlines
From €497
Tigerair Taiwan
From €509
Alaska Airlines
From €515
Air Canada
From €543

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What is the flight schedule from Incheon International 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 International Airport

    9:05 PM

    ICN

    13h 30m

    8:35 PM

    IAD

    S - T - T - -
    Search

  2. AA280

    Incheon International Airport

    5:50 PM

    ICN

    12h 55m

    Nonstop

    4:45 PM

    DFW

    S M T W T F S
    Search

  3. AA524

    Dallas Fort Worth International Airport

    10:16 AM

    DFW

    3h 2m

    Nonstop

    2:18 PM

    IAD

    S M T W T F S

  4. IT603

    Incheon International Airport

    1:30 AM

    ICN

    2h 45m

    Nonstop

    3:15 AM

    TPE

    S M T W T F S
    Search

  5. DL068

    Taiwan Taoyuan International Airport

    9:35 AM

    TPE

    11h 25m

    Nonstop

    6:00 AM

    SEA

    S M T W T F S

  6. DL541

    Seattle-Tacoma International Airport

    3:55 PM

    SEA

    4h 56m

    Nonstop

    11:51 PM

    IAD

    S M T W T F S

  7. TR873

    Incheon International Airport

    11:00 PM

    ICN

    2h 35m

    Nonstop

    12:35 AM

    TPE

    - M T W T F S
    Search

  8. DL068

    Taiwan Taoyuan International Airport

    9:35 AM

    TPE

    11h 25m

    Nonstop

    6:00 AM

    SEA

    S M T W T F S

  9. DL541

    Seattle-Tacoma International Airport

    3:55 PM

    SEA

    4h 56m

    Nonstop

    11:51 PM

    IAD

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

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

Flight distance11,187.22 km
Cheapest one-way ticket price€378
Cheapest return ticket price€622

FAQs for Incheon International Airport to Dulles International Airport Flights

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

    Incheon International Airport to Dulles International Airport takes about 14 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 2 daily flights from Incheon International Airport (ICN) to Dulles International Airport (IAD).
  • The earliest flight from Incheon International 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 International Airport (ICN) to Dulles International Airport (IAD) is quite popular. Without considering departure times or holidays, tickets cost around €1,015 in October, 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 International Airport to Dulles International Airport currently start from €378, and round-trip fares start from €622. The current lowest fare is a Air Premia flight departing on Tue, Nov 10; prices may vary depending on availability.
  • Yes. Air Premia operate direct flights from Incheon International Airport to Dulles International Airport, with an average flight time of 13 hours 9 minutes, and around 1 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 International Airport to Dulles International Airport is €980. Prices may vary depending on the departure date, airline, and availability.
  • Incheon International Airport to Dulles International Airport operates around 7 weekly flights, mainly by Korean Air and Air Premia. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Incheon International 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 the lowest estimated prices found in the last 24 hours and include all taxes and fees.

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before payment. Charges for checked baggage, onboard meals, Wi-Fi, and other optional services may also appear in the flight cards where applicable.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and for many routes the data may refresh in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.