Book a trip from Boston to Kathmandu with Cathay Pacific , fares from USD1,729

PROMOTION CODE (OPTIONAL)

Fly Cathay Pacific from Boston (BOS) to Kathmandu (KTM). 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 Kathmandu (KTM)?

Oct 2026
FromUSD1,729*
Seen 23 hours ago
Round trip/Economy
Nov 2026
FromUSD1,779*
Seen 23 hours ago
Round trip/Economy
Dec 2026
FromUSD1,779*
Seen 1 day ago
Round trip/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label USD1.7K
cmp-daily-histogram-bars-legend-max-price-aria-label USD3.2K
Displaying fares for October-2026
  • BOS–KTM: cmp-view-offers-disclaimer. Find offers
    07

    Wed

    OCT

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    10

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    11

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    12

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    13

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    14

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    15

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    17

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    18

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    19

    Mon

  • BOS–KTM, 20/10/2026 – 03/12/2026: From USD2,133
    20

    Tue

  • BOS–KTM, 21/10/2026 – 05/12/2026: From USD1,729
    21

    Wed

  • BOS–KTM, 22/10/2026 – 03/12/2026: From USD1,947
    22

    Thu

  • BOS–KTM, 23/10/2026 – 05/12/2026: From USD1,779
    23

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  • BOS–KTM, 24/10/2026 – 03/12/2026: From USD1,779
    24

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  • BOS–KTM, 25/10/2026 – 05/12/2026: From USD1,779
    25

    Sun

  • BOS–KTM, 26/10/2026 – 05/12/2026: From USD2,133
    26

    Mon

  • BOS–KTM, 27/10/2026 – 05/12/2026: From USD1,729
    27

    Tue

  • BOS–KTM, 28/10/2026 – 03/12/2026: From USD1,813
    28

    Wed

  • BOS–KTM, 29/10/2026 – 05/12/2026: From USD1,947
    29

    Thu

  • BOS–KTM, 30/10/2026 – 03/12/2026: From USD1,997
    30

    Fri

  • BOS–KTM, 31/10/2026 – 05/12/2026: From USD2,183
    31

    Sat

  • BOS–KTM, 01/11/2026 – 03/12/2026: From USD1,779
    01

    Sun

    NOV

  • BOS–KTM, 02/11/2026 – 03/12/2026: From USD2,391
    02

    Mon

  • BOS–KTM, 03/11/2026 – 03/12/2026: From USD2,133
    03

    Tue

  • BOS–KTM, 04/11/2026 – 29/11/2026: From USD3,225
    04

    Wed

  • BOS–KTM, 05/11/2026 – 29/11/2026: From USD3,225
    05

    Thu

  • BOS–KTM, 06/11/2026 – 29/11/2026: From USD2,871
    06

    Fri

    • RangeUSD1,729-USD3,225

    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

    Destination airport(s)
    • Tribhuvan International Airport (KTM)
    Aircraft Type

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

    Departure time zone
    GMT-04:00
    Arrival time zone
    GMT+05:45
    Cabin Class

    First class, Business class, Premium Economy, Economy^

    Lowest fare month
    April
    *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 Kathmandu (KTM)

    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 Kathmandu (KTM)
    From
    To
    Fare Type
    Dates
    Price
    Boston (BOS)Kathmandu (KTM)Round-trip
    /
    Economy    		21/10/2026 - 05/12/2026

    From

    USD1,729

    Seen 23 hours ago

    Boston (BOS)Kathmandu (KTM)Round-trip
    /
    Economy    		21/10/2026 - 03/12/2026

    From

    USD1,729

    Seen 23 hours ago

    Boston (BOS)Kathmandu (KTM)Round-trip
    /
    Economy    		27/10/2026 - 05/12/2026

    From

    USD1,729

    Seen 23 hours ago

    Boston (BOS)Kathmandu (KTM)Round-trip
    /
    Economy    		27/10/2026 - 03/12/2026

    From

    USD1,729

    Seen 23 hours ago

    Boston (BOS)Kathmandu (KTM)Round-trip
    /
    Economy    		01/11/2026 - 05/12/2026

    From

    USD1,779

    Seen 23 hours ago

    Boston (BOS)Kathmandu (KTM)Round-trip
    /
    Economy    		03/12/2026 - 02/02/2027

    From

    USD1,779

    Seen 1 day ago

    Boston (BOS)Kathmandu (KTM)Round-trip
    /
    Economy    		23/10/2026 - 03/12/2026

    From

    USD1,779

    Seen 23 hours ago

    Boston (BOS)Kathmandu (KTM)Round-trip
    /
    Economy    		24/10/2026 - 03/12/2026

    From

    USD1,779

    Seen 23 hours ago

    Boston (BOS)Kathmandu (KTM)Round-trip
    /
    Economy    		25/10/2026 - 05/12/2026

    From

    USD1,779

    Seen 23 hours ago

    Boston (BOS)Kathmandu (KTM)Round-trip
    /
    Economy    		25/10/2026 - 03/12/2026

    From

    USD1,779

    Seen 23 hours 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 Kathmandu - selected offers

    Experience refined comfort in our award-winning Business class.

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    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.