Flight INFO & Delta Air Lines(DL) flights from Seoul to Washington D.C.

Cheapest one-way flight price US$449
Cheapest return ticket price US$960
Cheapest month October
Peak season for travel July
Flight distance 11,172.97 km
Average flight time 13 hours 36 minutes
Popular airline Air Premia
Frequency ～8/week

Book Delta Air Lines(DL) flights from Seoul to Washington D.C.

  • One way
  • Round-trip
      • direct cheapest
        ICN10:25
        13h 40m
        Nonstop
        IAD11:05
        Seoul - Washington D.C.|Thu, Oct 1|Delta Air Lines
        US$1,273
        US$1,678
        24% off
        Search
        24% off
        US$1,678
        US$1,273
      • ICN10:25
        13h 40m
        Nonstop
        IAD11:05
        Seoul - Washington D.C.|Fri, Oct 2|Delta Air Lines
        US$1,273
        US$1,678
        24% off
        Search
        24% off
        US$1,678
        US$1,273
      • ICN10:25
        13h 40m
        Nonstop
        IAD11:05
        Seoul - Washington D.C.|Tue, Sep 29|Delta Air Lines
        US$1,283
        US$1,678
        24% off
        Search
        24% off
        US$1,678
        US$1,283
      • ICN10:25
        13h 40m
        Nonstop
        IAD11:05
        Seoul - Washington D.C.|Wed, Sep 30|Delta Air Lines
        US$1,283
        Search
        US$1,283
      • ICN14:30
        19h 7m
        1 stops
        DCA20:37
        Seoul - Washington D.C.|Sat, Oct 3|Delta Air Lines
        US$979
        Search
        US$979
      • ICN19:40
        35h 29m
        1 stops
        DCA18:09
        Seoul - Washington D.C.|Thu, Oct 1|Delta Air Lines
        US$1,249
        Search
        US$1,249
      • ICN19:40
        35h 25m
        1 stops
        IAD18:05
        Seoul - Washington D.C.|Thu, Oct 1|Delta Air Lines
        US$1,249
        Search
        US$1,249
      • ICN19:40
        31h 12m
        1 stops
        DCA13:52
        Seoul - Washington D.C.|Tue, Sep 29|Delta Air Lines
        US$1,262
        Search
        US$1,262
      • ICN19:40
        28h 13m
        1 stops
        IAD10:53
        Seoul - Washington D.C.|Tue, Sep 29|Delta Air Lines
        US$1,262
        Search
        US$1,262
      • ICN19:40
        31h 12m
        1 stops
        DCA13:52
        Seoul - Washington D.C.|Tue, Sep 8|Delta Air Lines
        US$1,277
        Search
        US$1,277
      • ICN19:40
        30h 51m
        1 stops
        IAD13:31
        Seoul - Washington D.C.|Tue, Sep 8|Delta Air Lines
        US$1,277
        Search
        US$1,277
      • ICN19:40
        31h 12m
        1 stops
        DCA13:52
        Seoul - Washington D.C.|Tue, Sep 15|Delta Air Lines
        US$1,296
        Search
        US$1,296
      • ICN19:40
        28h 13m
        1 stops
        IAD10:53
        Seoul - Washington D.C.|Tue, Sep 15|Delta Air Lines
        US$1,296
        Search
        US$1,296
      • ICN19:40
        35h 29m
        1 stops
        DCA18:09
        Seoul - Washington D.C.|Thu, Sep 24|Delta Air Lines
        US$1,296
        Search
        US$1,296
      • ICN19:40
        35h 25m
        1 stops
        IAD18:05
        Seoul - Washington D.C.|Thu, Sep 24|Delta Air Lines
        US$1,296
        Search
        US$1,296
      • ICN19:40
        35h 29m
        1 stops
        DCA18:09
        Seoul - Washington D.C.|Mon, Sep 21|Delta Air Lines
        US$1,296
        Search
        US$1,296
      • ICN19:40
        35h 25m
        1 stops
        IAD18:05
        Seoul - Washington D.C.|Mon, Sep 21|Delta Air Lines
        US$1,296
        Search
        US$1,296
      • ICN19:40
        35h 29m
        1 stops
        DCA18:09
        Seoul - Washington D.C.|Tue, Sep 22|Delta Air Lines
        US$1,296
        Search
        US$1,296
      • ICN19:40
        35h 25m
        1 stops
        IAD18:05
        Seoul - Washington D.C.|Tue, Sep 22|Delta Air Lines
        US$1,296
        Search
        US$1,296
      • ICN19:40
        35h 29m
        1 stops
        DCA18:09
        Seoul - Washington D.C.|Fri, Sep 25|Delta Air Lines
        US$1,296
        Search
        US$1,296
      • ICN19:00
        38h 1m
        1 stops
        IAD20:01
        Seoul - Washington D.C.|Fri, Sep 25|Delta Air Lines
        US$1,296
        Search
        US$1,296
      • ICN16:40
        19h 16m
        1 stops
        IAD22:56
        Seoul - Washington D.C.|Wed, Sep 23|Delta Air Lines
        US$1,299
        Search
        US$1,299
      • ICN19:40
        17h 19m
        1 stops
        DCA23:59
        Seoul - Washington D.C.|Mon, Sep 14|Delta Air Lines
        US$1,299
        Search
        US$1,299
      • ICN19:20
        17h 23m
        1 stops
        IAD23:43
        Seoul - Washington D.C.|Mon, Sep 14|Delta Air Lines
        US$1,299
        Search
        US$1,299
      • ICN16:25
        18h 18m
        1 stops
        DCA21:43
        Seoul - Washington D.C.|Wed, Sep 23|Delta Air Lines
        US$1,320
        Search
        US$1,320
      • ICN16:25
        17h 12m
        1 stops
        DCA20:37
        Seoul - Washington D.C.|Fri, Sep 11|Delta Air Lines
        US$1,320
        Search
        US$1,320
      • ICN08:45
        26h 55m
        1 stops
        DCA22:40
        Seoul - Washington D.C.|Thu, Sep 17|Delta Air Lines
        US$1,320
        Search
        US$1,320
      • ICN10:15
        19h 15m
        1 stops
        IAD16:30
        Seoul - Washington D.C.|Thu, Sep 17|Delta Air Lines
        US$1,320
        Search
        US$1,320
      • ICN19:40
        28h 13m
        1 stops
        IAD10:53
        Seoul - Washington D.C.|Sat, Oct 3|Delta Air Lines
        US$1,321
        Search
        US$1,321
      • ICN19:00
        33h 32m
        1 stops
        DCA15:32
        Seoul - Washington D.C.|Wed, Sep 16|Delta Air Lines
        US$1,325
        Search
        US$1,325
      • SEL13:00
        33h 32m
        Nonstop
        WAS14:00
        Seoul - Washington D.C.|Mon, Sep 6|Normal Airline
        More cheap flights
        More cheap flights

Delta Air Lines(DL) flights from Seoul to Washington D.C. & Flight Schedule

Flight info.
Departure
Arrival
Weekly Schedule

  1. DL7857

    Delta Air Lines

    10:25

    ICN

    13.7h

    Nonstop

    11:05

    IAD

    S M T W T F S
    Search

  2. DL170

    Delta Air Lines

    19:40

    ICN

    12.7h

    Nonstop

    18:21

    MSP

    S M T W T F S
    Search

  3. DL4129

    Delta Air Lines

    15:00

    MSP

    2.5h

    Nonstop

    18:33

    IAD

    S M T W T F S
    Search

  4. DL170

    Delta Air Lines

    19:40

    ICN

    12.7h

    Nonstop

    18:21

    MSP

    S M T W T F S
    Search

  5. DL2961

    Delta Air Lines

    20:00

    MSP

    2.5h

    Nonstop

    23:29

    DCA

    S M T W T F S
    Search

  6. DL172

    Delta Air Lines

    19:20

    ICN

    11.8h

    Nonstop

    16:06

    SLC

    S M T W T F S
    Search

  7. DL847

    Delta Air Lines

    17:50

    SLC

    3.9h

    Nonstop

    23:46

    IAD

    S M T W T F S
    Search

  8. DL7839

    Delta Air Lines

    09:10

    ICN

    13.7h

    Nonstop

    08:50

    BOS

    S M T W T F S
    Search

  9. DL5672

    Delta Air Lines

    11:30

    BOS

    1.9h

    Nonstop

    13:25

    DCA

    - M T W T F S
    Search

  10. DL7837

    Delta Air Lines

    16:40

    ICN

    10.0h

    Nonstop

    10:40

    SEA

    S M T W T F S
    Search

  11. DL541

    Delta Air Lines

    15:55

    SEA

    4.9h

    Nonstop

    23:51

    IAD

    S M T W T F S
    Search

  12. DL7835

    Delta Air Lines

    14:30

    ICN

    11.2h

    Nonstop

    09:40

    LAX

    S M T W T F S
    Search

  13. AS006

    Alaska Airlines

    11:48

    LAX

    5.2h

    Nonstop

    20:00

    DCA

    S M T W T F S
    Search

  14. DL7835

    Delta Air Lines

    14:30

    ICN

    11.2h

    Nonstop

    09:40

    LAX

    S M T W T F S
    Search

  15. AA591

    American Airlines

    12:46

    LAX

    5.2h

    Nonstop

    20:55

    DCA

    S M T W T F S
    Search

  16. DL7878

    Delta Air Lines

    08:45

    ICN

    13.5h

    Nonstop

    08:15

    ATL

    S M T W T F S
    Search

  17. DL850

    Delta Air Lines

    15:12

    ATL

    1.8h

    Nonstop

    16:57

    DCA

    S M T W T F S
    Search

  18. DL158

    Delta Air Lines

    10:11

    ICN

    13.4h

    Nonstop

    10:36

    DTW

    S M T W T F S
    Search

  19. DL2030

    Delta Air Lines

    17:45

    DTW

    1.6h

    Nonstop

    19:19

    DCA

    S M T W T - S
    Search
Show less

Delta Air Lines(DL) flights from Seoul to Washington D.C. Flight Booking FAQ

  • Which airlines offer direct flights from Seoul to Washington D.C.?

    At the moment, you can catch a nonstop flight from Seoul to Washington D.C. with the following airlines, including: Air Premia Korean Air Delta Air Lines Philippine Airlines Scoot Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

  • How long is a flight from Seoul to Washington D.C.?

    It takes about 13 hours 36 minutes to fly from Seoul to Washington D.C..

  • When is the best time to book flights from Seoul to Washington D.C.?

    By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seoul to Washington D.C. is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

  • How many flights are there per week from Seoul to Washington D.C.?

    Based on Trip.com data in the past 4 weeks, there is 11 flight per week flying from Seoul to Washington D.C.. You can check the weekly schedule for popular airlines on this route below: Air Premia: S/-/T/-/T/-/- -- YP135 (10:24) Korean Air: S/M/T/W/T/F/S -- KE093 (11:01) Delta Air Lines: S/M/T/W/T/F/S -- DL7857 (11:01)

  • When are flight tickets from Seoul (SEL) to Washington D.C. (WAS) the cheapest?

    The cheapest months to fly from Seoul to Washington D.C. is October, when demand for travel is lower.

  • Which upcoming date is cheapest to fly from Seoul to Washington D.C. on?

    After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Seoul to Washington D.C. on September 25, 2026 with Air Premia, with prices starting at US$436.

  • Which airports fly into Washington D.C. from Seoul?

    You can land at any one of the following hubs in Washington D.C.: Ronald Reagan Washington National Airport (DCA), and Dulles International Airport (IAD). Flying from Incheon International Airport to Dulles International Airport (ICN-IAD) is by far the most common option on this route.

  • Is there any time difference between Seoul and Washington D.C.?

    The time difference between Washington D.C. and Seoul is 14h.

  • How do I change or cancel my ticket from Seoul to Washington D.C.?

    Tickets can only be changed or canceled if permitted by airline policy. 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. However, 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.