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Dulles International Airport to Incheon Intl. Airport flight

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 JPY 73,470 and round-trip from JPY 128,810. Based on Trip.com's latest 7-day flight data.

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.

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 September, with an average price of JPY 93,130. You’ll want to avoid December, when the average price can reach as high as JPY 289,110.

JPY 289,110
JPY 191,120
JPY 93,130
0
    Cheapest
  • JPY 175,780
    Nov
  • JPY 289,110
    Dec
  • JPY 137,190
    Jan
  • JPY 173,540
    Feb
  • JPY 145,470
    Mar
  • JPY 121,520
    Apr
  • JPY 132,540
    May
  • JPY 235,810
    Jun
  • JPY 145,470
    Jul
  • JPY 101,390
    Aug
  • JPY 93,130
    Sep
  • JPY 102,950
    Oct

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 JPY 184,930. In contrast, December is usually the most expensive month, with average fares reaching JPY 452,940.

JPY 452,940
JPY 318,935
JPY 184,930
JPY 50,925
    Cheapest
  • JPY 337,950
    Nov
  • JPY 452,940
    Dec
  • JPY 287,150
    Jan
  • JPY 282,310
    Feb
  • JPY 281,700
    Mar
  • JPY 258,040
    Apr
  • JPY 278,130
    May
  • JPY 301,750
    Jun
  • JPY 262,900
    Jul
  • JPY 198,620
    Aug
  • JPY 184,930
    Sep
  • JPY 197,000
    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.

JPY 193,730
JPY 152,160
JPY 110,590
JPY 69,020
    Cheapest
  • JPY 118,990
    Mon
  • JPY 149,610
    Tue
  • JPY 110,590
    Wed
  • JPY 182,570
    Thu
  • JPY 129,120
    Fri
  • JPY 193,730
    Sat
  • JPY 132,270
    Sun

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 JPY 73,470) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Air Premia
From JPY 73,470
Frontier Airlines
From JPY 76,600
TAP Air Portugal
From JPY 87,980
Cathay Pacific
From JPY 89,410
Delta Air Lines
From JPY 92,070
EVA Air
From JPY 94,390
United Airlines
From JPY 102,610
Korean Air
From JPY 103,330
Alaska Airlines
From JPY 103,970
Turkish Airlines
From JPY 108,650

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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

    12:35 AM

    IAD

    15h 50m

    5:25 AM

    ICN

    - - T - T - -
    Search
  2. DL1354

    7:00 AM

    IAD

    2h

    Nonstop

    9:00 AM

    ATL

    S M T W T F S
    Search
  3. DL672

    9:40 AM

    ATL

    5h 19m

    Nonstop

    11:59 AM

    SFO

    S M T W T F S
  4. YP112

    5:00 PM

    SFO

    12h 40m

    Nonstop

    9:40 PM

    ICN

    - - T - T F S
  5. DL5511

    6:10 AM

    IAD

    1h 41m

    Nonstop

    7:51 AM

    DTW

    S M - - - - -
    Search
  6. DL361

    8:27 AM

    DTW

    5h 3m

    Nonstop

    10:30 AM

    SFO

    S M T W T F S
  7. YP112

    5:00 PM

    SFO

    12h 40m

    Nonstop

    9:40 PM

    ICN

    - - T - T F S
  8. AA1890

    6:00 AM

    IAD

    5h 56m

    Nonstop

    8:56 AM

    LAX

    S M T W T F S
    Search
  9. CX885

    12:25 PM

    LAX

    15h 30m

    Nonstop

    6:55 PM

    HKG

    - M T W T F S
  10. CX426

    7:45 PM

    HKG

    3h 40m

    Nonstop

    12:25 AM

    ICN

    S M T W T F S
  11. F94559

    8:26 PM

    IAD

    3h 34m

    Nonstop

    11:00 PM

    DFW

    S M T W T F S
    Search
  12. F93999

    7:57 PM

    DFW

    4h 16m

    Nonstop

    10:13 PM

    SFO

    S M T W T F S
  13. YP112

    5:00 PM

    SFO

    12h 40m

    Nonstop

    9:40 PM

    ICN

    - - T - T F S
  14. F94707

    7:40 AM

    IAD

    2h 14m

    Nonstop

    9:54 AM

    ATL

    S M T W T F S
    Search
  15. F94315

    10:19 AM

    ATL

    5h

    Nonstop

    12:19 PM

    LAX

    S M T W T F S
  16. YP102

    2:50 PM

    LAX

    13h 25m

    Nonstop

    8:15 PM

    ICN

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

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

Flight distance 11,187.22 km
Cheapest one-way ticket price JPY 73,470
Cheapest return ticket price JPY 128,810

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 38 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 00:35, and the last departs at 13:20, 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 JPY 185,630 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 JPY 73,470, and round-trip fares start from JPY 128,810. The current lowest fare is a Air Premia flight departing on Mon, Nov 9; 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 22 minutes, and around 9 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 JPY 130,480. Prices may vary depending on the departure date, airline, and availability.
  • Dulles International Airport to Incheon Intl. Airport operates around 9 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.

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.