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

Displayed flight fares from Seoul to Washington D.C. 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 Intl. Airport to Dulles International Airport

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

Data is based on average one-way flight prices from Incheon Intl. 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 Intl. Airport to Dulles International Airport, the best time to buy is in February, with an average price of $739. You’ll want to avoid October, when the average price can reach as high as $1,567.

$1,567
$1,153
$739
$325
    Cheapest
  • $890
    May
  • $763
    Jun
  • $1,165
    Jul
  • $1,303
    Aug
  • $1,226
    Sep
  • $1,567
    Oct
  • $1,003
    Nov
  • $1,098
    Dec
  • $1,397
    Jan
  • $739
    Feb
  • $1,223
    Mar
  • $946
    Apr

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

The data is based on the past 12 months and shows the average monthly round-trip fares from Incheon Intl. Airport to Dulles International Airport in the Trip.com database.

Based on Trip.com’s data from the past 12 months, February is typically the cheapest month to find flights from Incheon Intl. Airport to Dulles International Airport, with an average price of $1,161. In contrast, August is usually the most expensive month, with average fares reaching $2,039.

$2,039
$1,600
$1,161
$722
    Cheapest
  • $1,379
    May
  • $1,662
    Jun
  • $1,690
    Jul
  • $2,039
    Aug
  • $1,378
    Sep
  • $1,636
    Oct
  • $1,403
    Nov
  • $1,192
    Dec
  • $1,476
    Jan
  • $1,161
    Feb
  • $1,409
    Mar
  • $1,514
    Apr

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

The data is based on the past 12 months and shows the average ticket prices from Incheon Intl. 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 Intl. Airport to Dulles International Airport is Monday, 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.

$1,383
$1,125
$867
$609
  • $867
    Mon
  • $995
    Tue
  • $1,103
    Wed
  • $1,149
    Thu
  • $971
    Fri
  • $1,383
    Sat
  • $1,222
    Sun

Selected Airlines from Incheon Intl. Airport to Dulles International Airport

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

T'Way Air
From $540
Air Premia
From $597
HK Express
From $641
Air China
From $660
Eastar Jet
From $667
Jeju Air
From $679
Alaska Airlines
From $679
Air Busan
From $684
Hong Kong Airlines
From $703
American Airlines
From $711

Find more flights and airlines

Flight Schedule from Incheon Intl. 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

    10:00 AM

    ICN

    13h 50m

    10:50 AM

    IAD

    - - T - T - S
    Search
  2. AS172

    8:00 PM

    ICN

    9h 55m

    Nonstop

    1:55 PM

    SEA

    S - T W T F S
    Search
  3. DL541

    3:55 PM

    SEA

    4h 56m

    Nonstop

    11:51 PM

    IAD

    S M T W T F S
  4. AA280

    5:50 PM

    ICN

    12h 55m

    Nonstop

    4:45 PM

    DFW

    S M T W T F S
    Search
  5. AA2856

    7:29 PM

    DFW

    2h 57m

    Nonstop

    11:26 PM

    IAD

    S M T W T F S
  6. CA710

    10:50 AM

    ICN

    2h 5m

    Nonstop

    11:55 AM

    PEK

    S M T W T F S
    Search
  7. CA817

    4:00 PM

    PEK

    15h 30m

    Nonstop

    7:30 PM

    IAD

    - M - - T - -
  8. WS087

    8:45 PM

    ICN

    10h 30m

    Nonstop

    4:15 PM

    YYC

    S - - W T F S
    Search
  9. WS1730

    11:45 AM

    YYC

    4h 25m

    Nonstop

    6:10 PM

    IAD

    - - - - T - -
  10. TW531

    8:40 PM

    ICN

    10h 15m

    Nonstop

    2:55 PM

    YVR

    - M - W - F S
    Search
  11. WS136

    6:45 AM

    YVR

    1h 30m

    Nonstop

    9:15 AM

    YYC

    S M T W T F S
  12. WS1730

    11:45 AM

    YYC

    4h 25m

    Nonstop

    6:10 PM

    IAD

    - - - - T - -
  13. TW531

    8:40 PM

    ICN

    10h 15m

    Nonstop

    2:55 PM

    YVR

    - M - W - F S
    Search
  14. DL7050

    7:00 AM

    YVR

    1h 34m

    Nonstop

    9:34 AM

    YYC

    S M T W T F S
  15. DL7106

    11:30 AM

    YYC

    4h 20m

    Nonstop

    5:50 PM

    IAD

    - - - - T - -
  16. BX3935

    9:30 PM

    ICN

    3h 45m

    Nonstop

    12:15 AM

    HKG

    - - - W T - S
    Search
  17. CA108

    10:30 AM

    HKG

    3h 30m

    Nonstop

    2:00 PM

    PEK

    S M T W T F S
  18. CA817

    4:00 PM

    PEK

    15h 30m

    Nonstop

    7:30 PM

    IAD

    - M - - T - -
  19. 7C6013

    8:40 PM

    ICN

    3h 55m

    Nonstop

    11:35 PM

    HKG

    S M T W T F S
    Search
  20. CA108

    10:30 AM

    HKG

    3h 30m

    Nonstop

    2:00 PM

    PEK

    S M T W T F S
  21. CA817

    4:00 PM

    PEK

    15h 30m

    Nonstop

    7:30 PM

    IAD

    - M - - T - -
  22. AA280

    5:50 PM

    ICN

    12h 55m

    Nonstop

    4:45 PM

    DFW

    S M T W T F S
    Search
  23. AA2131

    1:10 PM

    DFW

    2h 59m

    Nonstop

    5:09 PM

    IAD

    S M T W T F S
Find more flights and airlines

Incheon Intl. Airport to Dulles International Airport Flights Info

Flight distance11,187.22 km
Cheapest one-way ticket price$660
Cheapest return ticket price$1,147

FAQs for Incheon Intl. Airport to Dulles International Airport Flights

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

    It takes around 13 hours 50 minutes to fly from Incheon Intl. Airport (icn) to Dulles International Airport (iad).
  • There are around 3 daily flights from Incheon Intl. Airport (ICN) to Dulles International Airport (IAD).
  • Tickets cost around $1,247 in June, making it the cheapest month to book. Incheon Intl. Airport (ICN) to Dulles International Airport (IAD) is a popular route, so don't forget to book your tickets in advance.
  • The route from Incheon Intl. Airport (ICN) to Dulles International Airport (IAD) is quite popular. Without considering departure times or holidays, tickets cost around $1,581 in July, the most expensive month to book this route.
  • Korean Air is a very popular airline operating an average of 779 flights per month.

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.