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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 €416 and round-trip from €729. 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 €527. You’ll want to avoid December, when the average price can reach as high as €1,636.

€1,636
€1,082
€527
0
    Cheapest
  • €995
    Nov
  • €1,636
    Dec
  • €776
    Jan
  • €982
    Feb
  • €823
    Mar
  • €688
    Apr
  • €750
    May
  • €1,334
    Jun
  • €823
    Jul
  • €574
    Aug
  • €527
    Sep
  • €583
    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 €1,046. In contrast, December is usually the most expensive month, with average fares reaching €2,562.

€2,562
€1,804
€1,046
€288
    Cheapest
  • €1,912
    Nov
  • €2,562
    Dec
  • €1,625
    Jan
  • €1,597
    Feb
  • €1,594
    Mar
  • €1,460
    Apr
  • €1,574
    May
  • €1,707
    Jun
  • €1,487
    Jul
  • €1,124
    Aug
  • €1,046
    Sep
  • €1,115
    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.

€1,229
€928
€626
€325
    Cheapest
  • €678
    Mon
  • €847
    Tue
  • €626
    Wed
  • €1,054
    Thu
  • €731
    Fri
  • €1,229
    Sat
  • €749
    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 €416) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Air Premia
From €416
Frontier Airlines
From €434
TAP Air Portugal
From €498
Cathay Pacific
From €506
Delta Air Lines
From €521
EVA Air
From €534
United Airlines
From €581
Korean Air
From €585
Alaska Airlines
From €589
Turkish Airlines
From €615

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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. F91081

    5:35 AM

    IAD

    2h 10m

    Nonstop

    7:45 AM

    ATL

    - M - - - - -
    Search
  6. F94315

    10:19 AM

    ATL

    5h

    Nonstop

    12:19 PM

    LAX

    S M T W T F S
  7. YP104

    10:30 PM

    LAX

    13h 20m

    Nonstop

    4:50 AM

    ICN

    - - T - T - -
  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

    - - 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. TP232

    5:25 PM

    IAD

    7h 10m

    Nonstop

    5:35 AM

    LIS

    S M - W - F -
    Search
  12. TP822

    7:20 AM

    LIS

    2h 45m

    Nonstop

    11:05 AM

    MXP

    S M T W T F S
  13. CA750

    8:00 PM

    MXP

    10h 10m

    Nonstop

    12:10 PM

    PKX

    - M - W T F S
  14. CA131

    6:05 PM

    PKX

    1h 50m

    Nonstop

    8:55 PM

    ICN

    S M T W T F S
  15. F94559

    8:26 PM

    IAD

    3h 34m

    Nonstop

    11:00 PM

    DFW

    S M T W T F S
    Search
  16. F93999

    7:57 PM

    DFW

    4h 16m

    Nonstop

    10:13 PM

    SFO

    S M T W T F S
  17. YP112

    5:00 PM

    SFO

    12h 40m

    Nonstop

    9:40 PM

    ICN

    - - T - T F S
  18. F94707

    7:40 AM

    IAD

    2h 14m

    Nonstop

    9:54 AM

    ATL

    S M T W T F S
    Search
  19. F94315

    10:19 AM

    ATL

    5h

    Nonstop

    12:19 PM

    LAX

    S M T W T F S
  20. 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 €416
Cheapest return ticket price €729

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 €1,050 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 €416, and round-trip fares start from €729. 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 €738. 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.