Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline United Airlines
Cheapest Month August
Cheapest Day of the Week Sunday
Cheapest Airline United Airlines

The cheapest airline(s) flying from Boston to Kathmandu is United Airlines.

  • United Airlines United Airlines
  • Lufthansa Lufthansa
  • IndiGo IndiGo
  • Virgin Atlantic Airways Virgin Atlantic Airways
  • Cathay Pacific Cathay Pacific
  • Emirates Emirates
  • Etihad Airways Etihad Airways
  • Qatar Airways Qatar Airways
  • Swiss Swiss
  • Singapore Airlines Singapore Airlines
Cheapest Month August

Travel Period: June 2025 - May 2026

The cheapest month(s) to fly from Boston to Kathmandu is August.

  • Jun 2025
  • Jul 2025
  • Aug 2025
  • Sep 2025
  • Oct 2025
  • Nov 2025
  • Dec 2025
  • Jan 2026
  • Feb 2026
  • Mar 2026
  • Apr 2026
  • May 2026
Cheapest Day of the Week Sunday

The cheapest day(s) of the week to fly from Boston to Kathmandu is Sunday.

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday

Flight Schedules

Last Updated: Fri, 2 May, 2025

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      • Availability
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      • 21:35 BOS
        06:15 KTM
        22Hrs, 55m 1 Stop (IST)
      • BOSBoston Logan International Airport 21:35 - KTM 06:15 22h 55m 1 Stop (IST) Istanbul
      • BOSBoston Logan International Airport 21:35
        ISTIstanbul Airport 20:35
      • ISTIstanbul Airport 13:55
        KTMKathmandu Airport 06:15
      • 22h 55m (6h 40m)
      • 1 Stop IST · Istanbul 6h 40m
      • Turkish Airlines (TK 82)Airbus A359
        Turkish Airlines (TK 726)Airbus Industrie 330 300
      • Turkish Airlines (TK 82)
        • -
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        • -
        • F
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        • S
      • 05:00 DEL
        10:55 ZRH
        23Hrs, 10m 1 Stop (KTM)
      • DELDelhi Airport 05:00 - ZRH 10:55 23h 10m 1 Stop (KTM) Kathmandu
      • DELDelhi Airport 05:00
        BOSBoston Logan International Airport 21:40
      • KTMKathmandu Airport 06:35
        ZRHZurich Airport 10:55
      • 23h 10m (6h 40m)
      • 1 Stop KTM · Kathmandu 6h 40m
      • Air India (AI 2215)Airbus
        Swiss (LX 53)Airbus Industrie 330 300
      • Air India (AI 2215)
        • M
        • -
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        • -
        • -
      • 05:00 DEL
        10:55 ZRH
        23Hrs, 10m 1 Stop (KTM)
      • DELDelhi Airport 05:00 - ZRH 10:55 23h 10m 1 Stop (KTM) Kathmandu
      • DELDelhi Airport 05:00
        BOSBoston Logan International Airport 21:40
      • KTMKathmandu Airport 06:35
        ZRHZurich Airport 10:55
      • 23h 10m (6h 40m)
      • 1 Stop KTM · Kathmandu 6h 40m
      • Air India (AI 215)Airbus A320 Neo
        Swiss (LX 53)Airbus Industrie 330 300
      • Air India (AI 215)
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      • 22:00 BOS
        08:50 KTM
        25Hrs, 05m 1 Stop (DOH)
      • BOSBoston Logan International Airport 22:00 - KTM 08:50 25h 05m 1 Stop (DOH) Doha
      • BOSBoston Logan International Airport 22:00
        DOHHamad International Airport 01:30
      • DOHHamad International Airport 16:55
        KTMKathmandu Airport 08:50
      • 25h 05m (8h 35m)
      • 1 Stop DOH · Doha 8h 35m
      • Qatar Airways (QR 744)Airbus A359
        Qatar Airways (QR 648)Boeing 787 8
      • Qatar Airways (QR 744)
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      • 02:10 DXB
        09:50 LIS
        23Hrs, 55m 1 Stop (KTM)
      • DXBDubai International Airport 02:10 - LIS 09:50 23h 55m 1 Stop (KTM) Kathmandu
      • DXBDubai International Airport 02:10
        BOSBoston Logan International Airport 22:20
      • KTMKathmandu Airport 08:00
        LISLisbon Airport 09:50
      • 23h 55m (5h 45m)
      • 1 Stop KTM · Kathmandu 5h 45m
      • flydubai (FZ 1133)Boeing 737 Max 8 Passenger
        TAP Air Portugal (TP 216)Airbus A321 Neo
      • flydubai (FZ 1133)
        • -
        • -
        • -
        • -
        • -
        • -
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      • 02:10 DXB
        09:50 LIS
        23Hrs, 50m 1 Stop (KTM)
      • DXBDubai International Airport 02:10 - LIS 09:50 23h 50m 1 Stop (KTM) Kathmandu
      • DXBDubai International Airport 02:10
        BOSBoston Logan International Airport 22:25
      • KTMKathmandu Airport 08:00
        LISLisbon Airport 09:50
      • 23h 50m (5h 45m)
      • 1 Stop KTM · Kathmandu 5h 45m
      • flydubai (FZ 1133)Boeing 737 Max 8 Passenger
        TAP Air Portugal (TP 216)Airbus A321 Neo
      • flydubai (FZ 1133)
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      • 02:10 DXB
        10:10 LIS
        23Hrs, 35m 1 Stop (KTM)
      • DXBDubai International Airport 02:10 - LIS 10:10 23h 35m 1 Stop (KTM) Kathmandu
      • DXBDubai International Airport 02:10
        BOSBoston Logan International Airport 22:40
      • KTMKathmandu Airport 08:00
        LISLisbon Airport 10:10
      • 23h 35m (5h 25m)
      • 1 Stop KTM · Kathmandu 5h 25m
      • flydubai (FZ 1133)Boeing 737 Max 8 Passenger
        TAP Air Portugal (TP 216)Airbus A321 Neo
      • flydubai (FZ 1133)
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        • -
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      • 02:10 DXB
        10:15 LIS
        23Hrs, 30m 1 Stop (KTM)
      • DXBDubai International Airport 02:10 - LIS 10:15 23h 30m 1 Stop (KTM) Kathmandu
      • DXBDubai International Airport 02:10
        BOSBoston Logan International Airport 22:45
      • KTMKathmandu Airport 08:00
        LISLisbon Airport 10:15
      • 23h 30m (5h 20m)
      • 1 Stop KTM · Kathmandu 5h 20m
      • flydubai (FZ 1133)Boeing 737 Max 8 Passenger
        TAP Air Portugal (TP 216)Airbus A321 Neo
      • flydubai (FZ 1133)
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        • -
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      • 01:30 DOH
        12:15 BCN
        24Hrs, 15m 1 Stop (KTM)
      • DOHHamad International Airport 01:30 - BCN 12:15 24h 15m 1 Stop (KTM) Kathmandu
      • DOHHamad International Airport 01:30
        BOSBoston Logan International Airport 22:50
      • KTMKathmandu Airport 08:50
        BCNBarcelona Airport 12:15
      • 24h 15m (6h 05m)
      • 1 Stop KTM · Kathmandu 6h 05m
      • Qatar Airways (QR 648)Boeing 787 8
        Iberia (IB 2626)Airbus Industrie A330 200
      • Qatar Airways (QR 648)
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      • 23:05 BOS
        08:00 KTM
        23Hrs, 10m 1 Stop (DXB)
      • BOSBoston Logan International Airport 23:05 - KTM 08:00 23h 10m 1 Stop (DXB) Dubai
      • BOSBoston Logan International Airport 23:05
        DXBDubai International Airport 02:10
      • DXBDubai International Airport 19:20
        KTMKathmandu Airport 08:00
      • 23h 10m (6h 50m)
      • 1 Stop DXB · Dubai 6h 50m
      • Emirates (EK 238)Boeing 777 300 Er
        flydubai (FZ 1133)Boeing 737 Max 8 Passenger
      • Emirates (EK 238)
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      • 01:30 DOH
        13:15 BCN
        23Hrs, 10m 1 Stop (KTM)
      • DOHHamad International Airport 01:30 - BCN 13:15 23h 10m 1 Stop (KTM) Kathmandu
      • DOHHamad International Airport 01:30
        BOSBoston Logan International Airport 23:55
      • KTMKathmandu Airport 08:50
        BCNBarcelona Airport 13:15
      • 23h 10m (5h 05m)
      • 1 Stop KTM · Kathmandu 5h 05m
      • Qatar Airways (QR 648)Boeing 787 8
        Iberia (IB 2626)Airbus Industrie A330 200
      • Qatar Airways (QR 648)
        • -
        • -
        • -
        • -
        • -
        • -
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      • 09:25 DOH
        08:30 JFK
        23Hrs, 50m 1 Stop (KTM)
      • DOHHamad International Airport 09:25 - JFK 08:30 23h 50m 1 Stop (KTM) Kathmandu
      • DOHHamad International Airport 09:25
        BOSBoston Logan International Airport 07:10
      • KTMKathmandu Airport 16:45
        JFKNew York John F. Kennedy International Airport 08:30
      • 23h 50m (5h 35m)
      • 1 Stop KTM · Kathmandu 5h 35m
      • Qatar Airways (QR 646)Airbus Industrie 330 300
        JetBlue Airways (B6 417)Airbus
      • Qatar Airways (QR 646)
        • M
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      No Schedules Sorry, there are no schedules matching your filters. Try removing one. reset
      What’s the most popular airline flying from Boston to Kathmandu?

      The most popular airline flying from Boston to Kathmandu is Swiss. Find the latest flight deals on Wego.

      How far is Kathmandu from Boston?

      The flight distance between Boston and Kathmandu is 11855km. Check all available flights on Wego.

      When is the earliest and latest flight of the day?

      The earliest flight of the day departs at 01:30. The last flight of the day departs at 21:35. See the full list of flight times on Wego.

      All Airports in Boston

      Boston Logan International Airport BOS

      All Airports in Kathmandu

      Kathmandu Airport KTM

      Popular Airlines Flying From Boston to Kathmandu

      Swiss ‏()
      IndiGo ‏()
      United Airlines ‏()
      Virgin Atlantic Airways ‏()
      Turkish Airlines ‏()

      Popular Destinations From Kathmandu

      Popular Destinations From Boston

      Popular Hotels in Kathmandu

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