Book a trip from Boston to Seoul with Cathay Pacific , fares from USD1,408

PROMOTION CODE (OPTIONAL)

Fly Cathay Pacific from Boston (BOS) to Seoul (ICN). Enjoy award-winning service, entertainment, and an enhanced menu for Premium Economy and Business class during your flight. Book direct to secure our best fare and join as a Cathay member to earn Status Points or Miles.

When is the best time to fly from Boston (BOS) to Seoul (ICN)?

Nov 2026
FromUSD1,408*
Seen 1 day ago
Round trip/Economy
Dec 2026
No results available
Jan 2027
FromUSD1,408*
Seen 5 hours ago
Round trip/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label USD1.4K
cmp-daily-histogram-bars-legend-max-price-aria-label USD2.3K
Displaying fares for November-2026
  • BOS–ICN, 04/11/2026 – 13/11/2026: From USD2,278
    04

    Wed

    NOV

  • BOS–ICN, 05/11/2026 – 11/11/2026: From USD1,675
    05

    Thu

  • BOS–ICN, 06/11/2026 – 07/03/2027: From USD1,458
    06

    Fri

  • BOS–ICN, 07/11/2026 – 11/11/2026: From USD1,942
    07

    Sat

  • BOS–ICN, 08/11/2026 – 11/11/2026: From USD1,458
    08

    Sun

  • BOS–ICN, 09/11/2026 – 07/03/2027: From USD1,408
    09

    Mon

  • BOS–ICN, 10/11/2026 – 07/03/2027: From USD1,408
    10

    Tue

  • BOS–ICN, 11/11/2026 – 07/03/2027: From USD1,455
    11

    Wed

  • BOS–ICN, 12/11/2026 – 07/03/2027: From USD1,408
    12

    Thu

  • BOS–ICN, 13/11/2026 – 07/03/2027: From USD1,458
    13

    Fri

  • BOS–ICN: cmp-view-offers-disclaimer. Find offers
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    16

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    17

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    18

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    19

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    20

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    21

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    23

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    24

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    25

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    26

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    27

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    28

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    29

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    01

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    DEC

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    02

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    • RangeUSD1,408-USD2,278

    Lowest fares on flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply. Flights are subject to regulatory approval.

    Travel Destination Facts

    Aircraft Type

    Boeing 777, Airbus A321neo, Airbus A330 and Airbus A350 aircraft*

    Departure time zone
    The Americas/Boston GMT-05:00
    Arrival time zone
    Asia-Pacific/Seoul GMT+09:00
    Cabin Class

    First class, Business class, Premium Economy, Economy^

    Lowest fare month
    August
    *Aircraft model may vary due to operational requirements. ^Cabin class availability is subject to aircraft configuration. Lowest fare month for flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply.

    Explore flight fares from Boston (BOS) to Seoul (ICN)

    Make flexible bookings with Cathay Pacific and enjoy hassle-free travel when plans change.

    USD
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    Explore flight fares from Boston (BOS) to Seoul (ICN)
    From
    To
    Fare Type
    Dates
    Price
    Boston (BOS)Seoul (ICN)Round-trip
    /
    Economy    		12/01/2027 - 20/01/2027

    From

    USD1,408

    Seen 5 hours ago

    Boston (BOS)Seoul (ICN)Round-trip
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    Economy    		11/01/2027 - 20/01/2027

    From

    USD1,408

    Seen 5 hours ago

    Boston (BOS)Seoul (ICN)Round-trip
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    Economy    		13/01/2027 - 20/01/2027

    From

    USD1,408

    Seen 5 hours ago

    Boston (BOS)Seoul (ICN)Round-trip
    /
    Economy    		14/01/2027 - 20/01/2027

    From

    USD1,408

    Seen 5 hours ago

    Boston (BOS)Seoul (ICN)Round-trip
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    Economy    		09/11/2026 - 07/03/2027

    From

    USD1,408

    Seen 1 day ago

    Boston (BOS)Seoul (ICN)Round-trip
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    Economy    		12/11/2026 - 07/03/2027

    From

    USD1,408

    Seen 1 day ago

    Boston (BOS)Seoul (ICN)Round-trip
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    Economy    		09/02/2027 - 16/02/2027

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    USD1,408

    Seen 1 day ago

    Boston (BOS)Seoul (ICN)Round-trip
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    Economy    		08/02/2027 - 16/02/2027

    From

    USD1,408

    Seen 1 day ago

    Boston (BOS)Seoul (ICN)Round-trip
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    Economy    		10/02/2027 - 16/02/2027

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    USD1,408

    Seen 1 day ago

    Boston (BOS)Seoul (ICN)Round-trip
    /
    Economy    		03/02/2027 - 16/02/2027

    From

    USD1,408

    Seen 1 day ago

    Lowest fares on flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply. Flights are subject to regulatory approval.

    Book Business Class flights to Seoul - selected offers

    Experience refined comfort in our award-winning Business class.

    keyboard_arrow_down
    Lowest fares on flights found by other customers on Cathay Pacific’s official website in the last 48 hours. All fares are subject to change at any time. Other Cathay Pacific Terms & Conditions apply. Flights are subject to regulatory approval.