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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 NZD 772 and round-trip from NZD 1,272. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        ICN 10:00
        13h 50m
        Nonstop
        IAD 10:50
        Seoul - Washington D.C. | Sat, Oct 31 | Air Premia
        IAD 13:20
        15h 35m
        Nonstop
        ICN 17:55
        Washington D.C. - Seoul | Mon, Nov 2 | Air Premia
        NZD 1,751 NZD 2,452
        28% off
        28% off
        NZD 2,452 NZD 1,751
      • ICN 10:00
        13h 50m
        Nonstop
        IAD 10:50
        Seoul - Washington D.C. | Thu, Oct 8 | Air Premia
        IAD 13:20
        15h 35m
        Nonstop
        ICN 17:55
        Washington D.C. - Seoul | Sat, Oct 10 | Air Premia
        NZD 1,863 NZD 2,452
        24% off
        24% off
        NZD 2,452 NZD 1,863
      • ICN 18:00
        27h 28m
        1 stop
        IAD 07:28
        Seoul - Washington D.C. | Sun, Nov 22 | United Airlines
        IAD 06:10
        20h 15m
        1 stop
        ICN 16:25
        Washington D.C. - Seoul | Tue, Nov 24 | United Airlines
        NZD 1,272 NZD 2,452
        48% off
        48% off
        NZD 2,452 NZD 1,272
      • ICN 18:00
        27h 3m
        1 stop
        IAD 07:03
        Seoul - Washington D.C. | Thu, Nov 26 | United Airlines
        IAD 06:10
        20h 15m
        1 stop
        ICN 16:25
        Washington D.C. - Seoul | Sat, Nov 28 | United Airlines
        NZD 1,293
        47% off
        NZD 2,452 NZD 1,293
      • ICN 17:15
        27h 4m
        1 stop
        IAD 07:19
        Seoul - Washington D.C. | Sat, Nov 7 | United Airlines
        IAD 06:35
        19h 25m
        1 stop
        ICN 15:00
        Washington D.C. - Seoul | Mon, Nov 9 | United Airlines
        NZD 1,294
        47% off
        NZD 2,452 NZD 1,294
      • ICN 18:00
        27h 23m
        1 stop
        IAD 07:23
        Seoul - Washington D.C. | Wed, Nov 25 | United Airlines
        DCA 07:00
        19h 25m
        1 stop
        ICN 16:25
        Washington D.C. - Seoul | Fri, Nov 27 | United Airlines
        NZD 1,494
        39% off
        NZD 2,452 NZD 1,494
      • ICN 11:45
        32h 18m
        1 stop
        IAD 07:03
        Seoul - Washington D.C. | Mon, Nov 16 | United Airlines
        DCA 07:00
        19h 25m
        1 stop
        ICN 16:25
        Washington D.C. - Seoul | Wed, Nov 18 | United Airlines
        NZD 1,515
        38% off
        NZD 2,452 NZD 1,515
      • ICN 16:50
        27h 41m
        1 stop
        IAD 07:31
        Seoul - Washington D.C. | Mon, Nov 9 | United Airlines
        DCA 07:00
        19h 25m
        1 stop
        ICN 15:25
        Washington D.C. - Seoul | Wed, Nov 11 | United Airlines
        NZD 1,525
        38% off
        NZD 2,452 NZD 1,525
      • ICN 18:00
        27h 28m
        1 stop
        IAD 07:28
        Seoul - Washington D.C. | Mon, Nov 30 | United Airlines
        IAD 06:10
        20h 15m
        1 stop
        ICN 16:25
        Washington D.C. - Seoul | Wed, Dec 2 | United Airlines
        NZD 1,548
        37% off
        NZD 2,452 NZD 1,548
      • ICN 11:30
        33h 1m
        1 stop
        IAD 07:31
        Seoul - Washington D.C. | Mon, Nov 2 | United Airlines
        IAD 06:45
        19h 35m
        1 stop
        ICN 15:20
        Washington D.C. - Seoul | Wed, Nov 4 | United Airlines
        NZD 1,552
        37% off
        NZD 2,452 NZD 1,552
      • ICN 18:50
        17h 33m
        1 stop
        IAD 23:23
        Seoul - Washington D.C. | Thu, Nov 12 | American Airlines
        DCA 06:59
        20h 46m
        1 stop
        ICN 16:45
        Washington D.C. - Seoul | Sat, Nov 14 | American Airlines
        NZD 1,554
        37% off
        NZD 2,452 NZD 1,554
      • ICN 18:50
        18h 40m
        1 stop
        IAD 23:30
        Seoul - Washington D.C. | Thu, Nov 26 | American Airlines
        DCA 15:31
        35h 14m
        1 stop
        ICN 16:45
        Washington D.C. - Seoul | Sat, Nov 28 | American Airlines
        NZD 1,576
        36% off
        NZD 2,452 NZD 1,576
      • ICN 17:50
        18h 33m
        1 stop
        IAD 23:23
        Seoul - Washington D.C. | Sat, Nov 7 | American Airlines
        DCA 05:00
        21h 45m
        1 stop
        ICN 15:45
        Washington D.C. - Seoul | Mon, Nov 9 | American Airlines
        NZD 1,578
        36% off
        NZD 2,452 NZD 1,578
      • ICN 11:45
        32h 18m
        1 stop
        IAD 07:03
        Seoul - Washington D.C. | Sun, Nov 15 | United Airlines
        IAD 06:10
        20h 15m
        1 stop
        ICN 15:25
        Washington D.C. - Seoul | Tue, Nov 17 | United Airlines
        NZD 1,597
        35% off
        NZD 2,452 NZD 1,597
      • SEL 13:00
        17h 25m
        1 stop
        WAS 14:00
        Seoul - Washington D.C. | Wed, Oct 7 | Normal Airline
        WAS 15:00
        6h
        Nonstop
        SEL 16:00
        Washington D.C. - Seoul | Fri, Oct 9 | Normal Airline
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      • Cheapest nonstop
        ICN 21:05
        13h 30m
        Nonstop
        IAD 20:35
        Seoul - Washington D.C. | Tue, Dec 1 | Air Premia
        NZD 772 NZD 1,387
        44% off
        44% off
        NZD 1,387 NZD 772
      • ICN 21:25
        27h 25m
        1 stop
        IAD 11:50
        Seoul - Washington D.C. | Wed, Oct 7 | Air Premia
        NZD 784 NZD 1,387
        43% off
        43% off
        NZD 1,387 NZD 784
      • ICN 21:25
        33h 8m
        1 stop
        IAD 17:33
        Seoul - Washington D.C. | Sat, Oct 10 | Air Premia
        NZD 810 NZD 1,387
        42% off
        42% off
        NZD 1,387 NZD 810
      • ICN 21:55
        33h 33m
        1 stop
        IAD 17:28
        Seoul - Washington D.C. | Fri, Nov 20 | Air Premia
        NZD 952
        31% off
        NZD 1,387 NZD 952
      • ICN 21:55
        33h 33m
        1 stop
        IAD 17:28
        Seoul - Washington D.C. | Mon, Nov 23 | Air Premia
        NZD 958
        31% off
        NZD 1,387 NZD 958
      • ICN 21:25
        33h 8m
        1 stop
        IAD 17:33
        Seoul - Washington D.C. | Tue, Oct 6 | Air Premia
        NZD 973
        30% off
        NZD 1,387 NZD 973
      • ICN 21:55
        33h 33m
        1 stop
        IAD 17:28
        Seoul - Washington D.C. | Wed, Nov 18 | Air Premia
        NZD 980
        28% off
        NZD 1,387 NZD 980
      • ICN 21:55
        33h 38m
        1 stop
        IAD 17:33
        Seoul - Washington D.C. | Fri, Nov 6 | Air Premia
        NZD 981
        28% off
        NZD 1,387 NZD 981
      • ICN 21:55
        27h 57m
        1 stop
        IAD 11:52
        Seoul - Washington D.C. | Tue, Nov 10 | Air Premia
        NZD 990
        28% off
        NZD 1,387 NZD 990
      • ICN 17:50
        37h 33m
        1 stop
        IAD 18:23
        Seoul - Washington D.C. | Sat, Oct 10 | American Airlines
        NZD 991
        28% off
        NZD 1,387 NZD 991
      • ICN 21:05
        33h 28m
        1 stop
        IAD 17:33
        Seoul - Washington D.C. | Sat, Oct 10 | Asiana Airlines
        NZD 1,011
        27% off
        NZD 1,387 NZD 1,011
      • ICN 21:55
        33h 33m
        1 stop
        IAD 17:28
        Seoul - Washington D.C. | Tue, Nov 17 | Air Premia
        NZD 1,054
        24% off
        NZD 1,387 NZD 1,054
      • SEL 13:00
        17h 25m
        1 stop
        WAS 14:00
        Seoul - Washington D.C. | Wed, Oct 7 | Normal Airline
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Displayed flight fares from Incheon International 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 International Airport to Dulles International Airport

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

Data is based on average one-way flight prices from Incheon International 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 International Airport to Dulles International Airport, the best time to buy is in September, with an average price of NZD 1,198. You’ll want to avoid October, when the average price can reach as high as NZD 2,718.

NZD 2,718
NZD 1,958
NZD 1,198
NZD 438
    Cheapest
  • NZD 2,718
    Oct
  • NZD 1,820
    Nov
  • NZD 1,993
    Dec
  • NZD 2,536
    Jan
  • NZD 1,342
    Feb
  • NZD 2,220
    Mar
  • NZD 1,717
    Apr
  • NZD 1,419
    May
  • NZD 1,539
    Jun
  • NZD 1,924
    Jul
  • NZD 2,016
    Aug
  • NZD 1,198
    Sep

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

The data is based on the past 12 months and shows the average monthly round-trip fares from Incheon International 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 International Airport to Dulles International Airport, with an average price of NZD 2,067. In contrast, June is usually the most expensive month, with average fares reaching NZD 3,521.

NZD 3,521
NZD 2,794
NZD 2,067
NZD 1,340
    Cheapest
  • NZD 2,426
    Oct
  • NZD 2,547
    Nov
  • NZD 2,163
    Dec
  • NZD 2,678
    Jan
  • NZD 2,108
    Feb
  • NZD 2,557
    Mar
  • NZD 2,749
    Apr
  • NZD 3,056
    May
  • NZD 3,521
    Jun
  • NZD 3,020
    Jul
  • NZD 3,041
    Aug
  • NZD 2,067
    Sep

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

The data is based on the past 12 months and shows the average ticket prices from Incheon International 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 International 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.

NZD 2,464
NZD 2,025
NZD 1,586
NZD 1,147
  • NZD 1,678
    Mon
  • NZD 1,586
    Tue
  • NZD 1,821
    Wed
  • NZD 2,126
    Thu
  • NZD 1,827
    Fri
  • NZD 2,464
    Sat
  • NZD 1,781
    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 NZD 810) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Air Premia
From NZD 810
WestJet
From NZD 937
Philippine Airlines
From NZD 953
Jeju Air
From NZD 977
Scoot
From NZD 989
American Airlines
From NZD 991
Asiana Airlines
From NZD 1,011
Alaska Airlines
From NZD 1,039
Jin Air
From NZD 1,068
Air Canada
From NZD 1,099

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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

    21:05

    ICN

    13h 30m

    21:35

    IAD

    S - T - T - S
    Search

  2. YP111

    Incheon International Airport

    19:15

    ICN

    11h

    Nonstop

    14:15

    SFO

    S - T - T - S
    Search

  3. DL495

    San Francisco International Airport

    22:30

    SFO

    4h 37m

    Nonstop

    06:07

    ATL

    S M T W T F S

  4. DL1324

    Hartsfield–Jackson Atlanta International Airport

    07:35

    ATL

    1h 44m

    Nonstop

    09:19

    IAD

    S M T W T F S

  5. UA286

    Incheon International Airport

    17:15

    ICN

    13h 45m

    Nonstop

    18:00

    EWR

    S M T W T F S
    Search

  6. UA1618

    Newark Liberty International Airport

    09:59

    EWR

    1h 26m

    Nonstop

    11:25

    IAD

    S M T W T F S

  7. YP131

    Incheon International Airport

    21:25

    ICN

    14h 5m

    Nonstop

    22:30

    EWR

    S M T W T F S
    Search

  8. DL5638

    John F. Kennedy International Airport

    15:55

    JFK

    1h 38m

    Nonstop

    17:33

    IAD

    S M T W T F S

  9. AA280

    Incheon International Airport

    18:50

    ICN

    13h

    Nonstop

    16:50

    DFW

    S M T W T F S
    Search

  10. AA1863

    Dallas Fort Worth International Airport

    14:25

    DFW

    2h 58m

    Nonstop

    18:23

    IAD

    S M T W T F S

  11. TW101

    Incheon International Airport

    18:00

    ICN

    6h 5m

    Nonstop

    22:05

    BKK

    S M T W T F S
    Search

  12. EY403

    Suvarnabhumi Airport

    09:15

    BKK

    6h 20m

    Nonstop

    12:35

    AUH

    S M T W T F S

  13. EY005

    Zayed International Airport

    03:15

    AUH

    15h 30m

    Nonstop

    09:45

    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 distance 11,187.22 km
Cheapest one-way ticket price NZD 772
Cheapest return ticket price NZD 1,272

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 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 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 NZD 2,056 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 International Airport to Dulles International Airport currently start from NZD 772, and round-trip fares start from NZD 1,272. The current lowest fare is a Air Premia flight departing on Tue, Dec 1; 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 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 International Airport to Dulles International Airport is NZD 1,909. Prices may vary depending on the departure date, airline, and availability.
  • Incheon International 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 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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