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Dulles International Airport to Incheon Intl. Airport flight

Search for flights from Washington D.C. to Seoul and check out affordable one-way and round-trip options.

      • Cheapest nonstop
        IAD 1:20 PM
        15h 35m
        Nonstop
        ICN 5:55 PM
        Washington D.C. - Seoul | Wed, Jul 8 | Air Premia
        ICN 10:00 AM
        13h 50m
        Nonstop
        IAD 10:50 AM
        Seoul - Washington D.C. | Wed, Jul 15 | Air Premia
        KRW 2,606,000 KRW 3,474,700
        25% off
        25% off
        KRW 3,474,700 KRW 2,606,000
      • IAD 1:20 PM
        15h 35m
        Nonstop
        ICN 5:55 PM
        Washington D.C. - Seoul | Fri, Jul 10 | Air Premia
        ICN 10:00 AM
        13h 50m
        Nonstop
        IAD 10:50 AM
        Seoul - Washington D.C. | Wed, Jul 15 | Air Premia
        KRW 2,606,000 KRW 3,474,700
        25% off
        25% off
        KRW 3,474,700 KRW 2,606,000
      • IAD 8:21 AM
        24h 19m
        1 stop
        ICN 9:40 PM
        Washington D.C. - Seoul | Fri, May 29 | Air Canada
        ICN 3:30 PM
        41h
        1 stop
        IAD 7:30 PM
        Seoul - Washington D.C. | Fri, Jun 5 | Air China
        KRW 2,172,000 KRW 3,474,700
        37% off
        37% off
        KRW 3,474,700 KRW 2,172,000
      • IAD 8:21 AM
        24h 19m
        1 stop
        ICN 9:40 PM
        Washington D.C. - Seoul | Wed, Jun 3 | Air Canada
        ICN 3:30 PM
        41h
        1 stop
        IAD 7:30 PM
        Seoul - Washington D.C. | Tue, Jun 9 | Air China
        KRW 2,172,600
        37% off
        KRW 3,474,700 KRW 2,172,600
      • IAD 8:21 AM
        24h 19m
        1 stop
        ICN 9:40 PM
        Washington D.C. - Seoul | Mon, Jun 1 | Air Canada
        ICN 3:30 PM
        41h
        1 stop
        IAD 7:30 PM
        Seoul - Washington D.C. | Fri, Jun 5 | Air China
        KRW 2,225,300
        36% off
        KRW 3,474,700 KRW 2,225,300
      • IAD 8:21 AM
        24h 19m
        1 stop
        ICN 9:40 PM
        Washington D.C. - Seoul | Sun, May 31 | Air Canada
        ICN 1:05 PM
        19h 25m
        1 stop
        IAD 7:30 PM
        Seoul - Washington D.C. | Sat, Jun 6 | Air China
        KRW 2,260,200
        35% off
        KRW 3,474,700 KRW 2,260,200
      • IAD 6:03 AM
        21h 37m
        1 stop
        ICN 4:40 PM
        Washington D.C. - Seoul | Wed, Jul 15 | Alaska Airlines
        ICN 8:45 PM
        34h 25m
        1 stop
        IAD 6:10 PM
        Seoul - Washington D.C. | Fri, Jul 17 | WestJet
        KRW 2,379,800
        32% off
        KRW 3,474,700 KRW 2,379,800
      • IAD 6:20 AM
        23h 25m
        2 stops
        ICN 6:45 PM
        Washington D.C. - Seoul | Thu, May 28 | American Airlines
        ICN 10:00 AM
        13h 50m
        Nonstop
        IAD 10:50 AM
        Seoul - Washington D.C. | Sat, May 30 | Air Premia
        KRW 2,386,300
        31% off
        KRW 3,474,700 KRW 2,386,300
      • IAD 6:10 AM
        26h 30m
        2 stops
        ICN 9:40 PM
        Washington D.C. - Seoul | Wed, Jun 10 | Air Canada
        ICN 10:00 AM
        13h 50m
        Nonstop
        IAD 10:50 AM
        Seoul - Washington D.C. | Tue, Jun 16 | Air Premia
        KRW 2,422,900
        30% off
        KRW 3,474,700 KRW 2,422,900
      • IAD 6:25 AM
        26h 15m
        2 stops
        ICN 9:40 PM
        Washington D.C. - Seoul | Mon, Jun 1 | American Airlines
        ICN 10:00 AM
        13h 50m
        Nonstop
        IAD 10:50 AM
        Seoul - Washington D.C. | Thu, Jun 4 | Air Premia
        KRW 2,429,600
        30% off
        KRW 3,474,700 KRW 2,429,600
      • IAD 6:10 AM
        26h 30m
        2 stops
        ICN 9:40 PM
        Washington D.C. - Seoul | Sun, May 31 | American Airlines
        ICN 10:00 AM
        13h 50m
        Nonstop
        IAD 10:50 AM
        Seoul - Washington D.C. | Thu, Jun 4 | Air Premia
        KRW 2,455,500
        28% off
        KRW 3,474,700 KRW 2,455,500
      • IAD 6:11 AM
        26h 29m
        2 stops
        ICN 9:40 PM
        Washington D.C. - Seoul | Fri, Jun 5 | American Airlines
        ICN 10:00 AM
        13h 50m
        Nonstop
        IAD 10:50 AM
        Seoul - Washington D.C. | Thu, Jun 11 | Air Premia
        KRW 2,459,500
        28% off
        KRW 3,474,700 KRW 2,459,500
      • WAS 1:00 PM
        17h 25m
        1 stop
        SEL 2:00 PM
        Washington D.C. - Seoul | Mon, May 25 | Normal Airline
        SEL 3:00 PM
        6h
        Nonstop
        WAS 4:00 PM
        Seoul - Washington D.C. | Wed, May 27 | Normal Airline
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      • Cheapest nonstop
        IAD 1:20 PM
        15h 35m
        Nonstop
        ICN 5:55 PM
        Washington D.C. - Seoul | Sat, Jul 11 | Air Premia
        KRW 962,300 KRW 1,479,900
        35% off
        35% off
        KRW 1,479,900 KRW 962,300
      • IAD 1:50 AM
        27h 55m
        1 stop
        ICN 6:45 PM
        Washington D.C. - Seoul | Fri, Jul 17 | EVA Air
        KRW 862,300 KRW 1,479,900
        42% off
        42% off
        KRW 1,479,900 KRW 862,300
      • IAD 6:03 AM
        32h 57m
        1 stop
        ICN 4:00 AM
        Washington D.C. - Seoul | Wed, Jul 15 | Alaska Airlines
        KRW 964,300 KRW 1,479,900
        35% off
        35% off
        KRW 1,479,900 KRW 964,300
      • IAD 8:21 AM
        24h 14m
        1 stop
        ICN 9:35 PM
        Washington D.C. - Seoul | Wed, May 27 | Air Canada
        KRW 983,800
        34% off
        KRW 1,479,900 KRW 983,800
      • IAD 6:23 AM
        20h 22m
        1 stop
        ICN 3:45 PM
        Washington D.C. - Seoul | Fri, Jul 17 | American Airlines
        KRW 1,017,500
        31% off
        KRW 1,479,900 KRW 1,017,500
      • IAD 7:00 AM
        21h 30m
        1 stop
        ICN 5:30 PM
        Washington D.C. - Seoul | Tue, Jul 21 | Delta Air Lines
        KRW 1,017,500
        31% off
        KRW 1,479,900 KRW 1,017,500
      • IAD 7:00 AM
        32h
        1 stop
        ICN 4:00 AM
        Washington D.C. - Seoul | Wed, Jul 15 | Delta Air Lines
        KRW 1,018,800
        31% off
        KRW 1,479,900 KRW 1,018,800
      • IAD 6:14 PM
        20h 46m
        1 stop
        ICN 4:00 AM
        Washington D.C. - Seoul | Wed, Jul 15 | American Airlines
        KRW 1,060,300
        28% off
        KRW 1,479,900 KRW 1,060,300
      • IAD 6:03 AM
        21h 47m
        1 stop
        ICN 4:50 PM
        Washington D.C. - Seoul | Wed, Jul 22 | Alaska Airlines
        KRW 1,086,000
        27% off
        KRW 1,479,900 KRW 1,086,000
      • IAD 10:10 PM
        29h 30m
        1 stop
        ICN 4:40 PM
        Washington D.C. - Seoul | Tue, Jul 7 | United Airlines
        KRW 1,109,900
        25% off
        KRW 1,479,900 KRW 1,109,900
      • WAS 1:00 PM
        17h 25m
        1 stop
        SEL 2:00 PM
        Washington D.C. - Seoul | Mon, May 25 | Normal Airline
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Displayed flight fares from Dulles International Airport to Incheon Intl. 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 Dulles International Airport to Incheon Intl. Airport

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 April, with an average price of KRW 1,142,300. You’ll want to avoid May, when the average price can reach as high as KRW 3,296,300.

KRW 3,296,300
KRW 2,219,300
KRW 1,142,300
KRW 65,300
    Cheapest
  • KRW 3,296,300
    May
  • KRW 2,310,600
    Jun
  • KRW 1,944,800
    Jul
  • KRW 1,468,300
    Aug
  • KRW 1,330,500
    Sep
  • KRW 1,711,100
    Oct
  • KRW 1,652,300
    Nov
  • KRW 2,717,600
    Dec
  • KRW 1,289,600
    Jan
  • KRW 1,631,300
    Feb
  • KRW 1,367,400
    Mar
  • KRW 1,142,300
    Apr

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, April is typically the cheapest month to find flights from Dulles International Airport to Incheon Intl. Airport, with an average price of KRW 2,425,500. In contrast, May is usually the most expensive month, with average fares reaching KRW 4,437,600.

KRW 4,437,600
KRW 3,431,550
KRW 2,425,500
KRW 1,419,450
    Cheapest
  • KRW 4,437,600
    May
  • KRW 3,706,700
    Jun
  • KRW 3,472,300
    Jul
  • KRW 2,988,200
    Aug
  • KRW 2,977,000
    Sep
  • KRW 3,131,200
    Oct
  • KRW 3,176,700
    Nov
  • KRW 4,257,600
    Dec
  • KRW 2,699,200
    Jan
  • KRW 2,653,700
    Feb
  • KRW 2,647,900
    Mar
  • KRW 2,425,500
    Apr

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.

KRW 2,482,300
KRW 1,808,750
KRW 1,135,200
KRW 461,650
    Cheapest
  • KRW 1,271,300
    Mon
  • KRW 1,641,100
    Tue
  • KRW 1,135,200
    Wed
  • KRW 2,108,300
    Thu
  • KRW 1,610,300
    Fri
  • KRW 2,482,300
    Sat
  • KRW 1,699,800
    Sun

Selected Airlines from Dulles International Airport to Incheon Intl. Airport

See which airlines fly from Washington D.C. to Seoul. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

Air Canada
From KRW 831,700
EVA Air
From KRW 862,300
American Airlines
From KRW 909,000
Air Premia
From KRW 962,300
Alaska Airlines
From KRW 964,300
Frontier Airlines
From KRW 970,100
WestJet
From KRW 973,300
Delta Air Lines
From KRW 980,000
United Airlines
From KRW 1,109,900
Saudia
From KRW 1,137,100

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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. DL1015

    Dulles International Airport

    7:05 AM

    IAD

    6h

    Nonstop

    10:05 AM

    SEA

    S M T W T F S
    Search

  2. AS119

    Seattle Tacoma Intl. Airport

    1:35 PM

    SEA

    11h 55m

    Nonstop

    5:30 PM

    ICN

    S - T W T F S

  3. AC4420

    Dulles International Airport

    10:10 PM

    IAD

    2h 5m

    Nonstop

    11:15 PM

    ORD

    S M T W T F S
    Search

  4. AC5101

    O'Hare Intl. Airport

    8:45 AM

    ORD

    4h 39m

    Nonstop

    11:24 AM

    YVR

    S M T W T F S

  5. TW532

    Vancouver Intl. Airport

    5:25 PM

    YVR

    12h 15m

    Nonstop

    9:40 PM

    ICN

    - M - W - F S

  6. WS1731

    Dulles International Airport

    7:00 PM

    IAD

    5h

    Nonstop

    10:00 PM

    YYC

    S - - - T - -
    Search

  7. WS086

    Calgary Intl. Airport

    4:00 PM

    YYC

    11h 45m

    Nonstop

    6:45 PM

    ICN

    S - T W T F S

  8. DL6910

    Dulles International Airport

    6:45 PM

    IAD

    4h 50m

    Nonstop

    9:35 PM

    YYC

    S - - - T - -
    Search

  9. WS086

    Calgary Intl. Airport

    4:00 PM

    YYC

    11h 45m

    Nonstop

    6:45 PM

    ICN

    S - T W T F S

  10. WS1731

    Dulles International Airport

    7:00 PM

    IAD

    5h

    Nonstop

    10:00 PM

    YYC

    S - - - T - -
    Search

  11. WS137

    Calgary Intl. Airport

    11:35 PM

    YYC

    1h 40m

    Nonstop

    12:15 AM

    YVR

    S M T W T F S

  12. TW532

    Vancouver Intl. Airport

    5:25 PM

    YVR

    12h 15m

    Nonstop

    9:40 PM

    ICN

    - M - W - F S

  13. DL6910

    Dulles International Airport

    6:45 PM

    IAD

    4h 50m

    Nonstop

    9:35 PM

    YYC

    S - - - T - -
    Search

  14. DL7180

    Calgary Intl. Airport

    11:30 PM

    YYC

    1h 45m

    Nonstop

    12:15 AM

    YVR

    S M T W T F S

  15. TW532

    Vancouver Intl. Airport

    5:25 PM

    YVR

    12h 15m

    Nonstop

    9:40 PM

    ICN

    - M - W - F S
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Dulles International Airport to Incheon Intl. Airport Flights Info

Flight distance11,187.22 km
Cheapest one-way ticket priceKRW 862,300
Cheapest return ticket priceKRW 2,172,000

FAQs for Dulles International Airport to Incheon Intl. Airport Flights

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

    It takes around 15 hours 19 minutes to fly from Dulles International Airport (iad) to Incheon Intl. Airport (icn).
  • There are around 3 daily flights from Dulles International Airport (IAD) to Incheon Intl. Airport (ICN).
  • Tickets cost around KRW 1,459,500 in August, making it the cheapest month to book. Dulles International Airport (IAD) to Incheon Intl. Airport (ICN) is a popular route, so don't forget to book your tickets in advance.
  • The route from Dulles International Airport (IAD) to Incheon Intl. Airport (ICN) is quite popular. Without considering departure times or holidays, tickets cost around KRW 2,627,000 in May, 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.

Popular Destinations

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.