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Tribhuvan International Airport to Suvarnabhumi Airport flight

Explore the cheapest one-way and round-trip flights from Tribhuvan International Airport to Suvarnabhumi Airport over the next 90 days, with one-way fares from NZD 328 and round-trip from NZD 665. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        KTM 11:10 AM
        3h 20m
        Nonstop
        BKK 3:45 PM
        Kathmandu - Bangkok | Tue, Nov 24 | Nepal Airlines
        BKK 4:45 PM
        3h 30m
        Nonstop
        KTM 7:00 PM
        Bangkok - Kathmandu | Fri, Nov 27 | Nepal Airlines
        NZD 672 NZD 845
        20% off
        20% off
        NZD 845 NZD 672
      • KTM 11:10 AM
        3h 20m
        Nonstop
        BKK 3:45 PM
        Kathmandu - Bangkok | Tue, Nov 17 | Nepal Airlines
        BKK 4:45 PM
        3h 30m
        Nonstop
        KTM 7:00 PM
        Bangkok - Kathmandu | Tue, Nov 24 | Nepal Airlines
        NZD 708 NZD 845
        16% off
        16% off
        NZD 845 NZD 708
      • KTM 5:10 PM
        19h 45m
        1 stop
        BKK 2:10 PM
        Kathmandu - Bangkok | Fri, Nov 13 | Air India
        BKK 7:05 PM
        20h 5m
        1 stop
        KTM 1:55 PM
        Bangkok - Kathmandu | Wed, Nov 18 | Air India
        NZD 665 NZD 845
        21% off
        21% off
        NZD 845 NZD 665
      • KTM 9:40 PM
        19h 30m
        1 stop
        BKK 6:25 PM
        Kathmandu - Bangkok | Wed, Nov 18 | Air India
        BKK 3:10 PM
        19h 10m
        1 stop
        KTM 9:05 AM
        Bangkok - Kathmandu | Sun, Nov 22 | Air India
        NZD 686
        19% off
        NZD 845 NZD 686
      • KTM 9:40 PM
        15h 15m
        1 stop
        BKK 2:10 PM
        Kathmandu - Bangkok | Thu, Nov 12 | Air India
        BKK 3:10 PM
        9h
        1 stop
        KTM 10:55 PM
        Bangkok - Kathmandu | Sun, Nov 15 | Air India
        NZD 686
        19% off
        NZD 845 NZD 686
      • KTM 9:40 PM
        19h
        1 stop
        BKK 5:55 PM
        Kathmandu - Bangkok | Sat, Nov 21 | Air India
        DMK 12:00 PM
        3h 20m
        Nonstop
        KTM 2:05 PM
        Bangkok - Kathmandu | Thu, Nov 26 | Thai Lion Air
        NZD 689
        18% off
        NZD 845 NZD 689
      • KTM 9:40 PM
        19h
        1 stop
        BKK 5:55 PM
        Kathmandu - Bangkok | Sat, Nov 14 | Air India
        BKK 7:05 PM
        20h 5m
        1 stop
        KTM 1:55 PM
        Bangkok - Kathmandu | Tue, Nov 17 | Air India
        NZD 703
        17% off
        NZD 845 NZD 703
      • KTM 1:15 PM
        22h 15m
        1 stop
        BKK 12:45 PM
        Kathmandu - Bangkok | Fri, Oct 30 | SriLankan Airlines
        BKK 5:55 PM
        16h 25m
        1 stop
        KTM 9:05 AM
        Bangkok - Kathmandu | Wed, Nov 4 | Air India
        NZD 708
        16% off
        NZD 845 NZD 708
      • KTM 5:10 PM
        19h 45m
        1 stop
        BKK 2:10 PM
        Kathmandu - Bangkok | Fri, Nov 20 | Air India
        BKK 3:10 PM
        9h
        1 stop
        KTM 10:55 PM
        Bangkok - Kathmandu | Tue, Nov 24 | Air India
        NZD 709
        16% off
        NZD 845 NZD 709
      • KTM 9:40 PM
        21h 50m
        1 stop
        BKK 8:45 PM
        Kathmandu - Bangkok | Thu, Nov 19 | Air India
        BKK 8:05 AM
        13h 50m
        1 stop
        KTM 8:40 PM
        Bangkok - Kathmandu | Wed, Nov 25 | Air India
        NZD 711
        16% off
        NZD 845 NZD 711
      • KTM 6:30 AM
        23h 20m
        1 stop
        BKK 7:05 AM
        Kathmandu - Bangkok | Sun, Nov 15 | Air India
        BKK 7:25 PM
        12h 25m
        1 stop
        KTM 6:35 AM
        Bangkok - Kathmandu | Fri, Nov 20 | Air India
        NZD 715
        15% off
        NZD 845 NZD 715
      • KTM 6:30 AM
        9h 10m
        1 stop
        BKK 4:55 PM
        Kathmandu - Bangkok | Sat, Oct 31 | Air India
        BKK 10:25 PM
        11h 55m
        1 stop
        KTM 9:05 AM
        Bangkok - Kathmandu | Tue, Nov 3 | Air India
        NZD 718
        15% off
        NZD 845 NZD 718
      • KTM 1:00 PM
        17h 25m
        1 stop
        BKK 2:00 PM
        Kathmandu - Bangkok | Mon, Oct 12 | Normal Airline
        BKK 3:00 PM
        6h
        Nonstop
        KTM 4:00 PM
        Bangkok - Kathmandu | Wed, Oct 14 | Normal Airline
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      • Cheapest nonstop
        KTM 11:10 AM
        3h 20m
        Nonstop
        BKK 3:45 PM
        Kathmandu - Bangkok | Tue, Oct 13 | Nepal Airlines
        NZD 353 NZD 442
        20% off
        20% off
        NZD 442 NZD 353
      • KTM 12:25 AM
        3h 30m
        Nonstop
        BKK 5:10 AM
        Kathmandu - Bangkok | Tue, Oct 20 | Thai Airways
        NZD 374 NZD 442
        15% off
        15% off
        NZD 442 NZD 374
      • KTM 12:25 AM
        3h 30m
        Nonstop
        BKK 5:10 AM
        Kathmandu - Bangkok | Sat, Oct 17 | Thai Airways
        NZD 374 NZD 442
        15% off
        15% off
        NZD 442 NZD 374
      • KTM 1:40 PM
        15h 20m
        1 stop
        BKK 6:15 AM
        Kathmandu - Bangkok | Sun, Oct 25 | SriLankan Airlines
        NZD 328
        26% off
        NZD 442 NZD 328
      • KTM 1:15 PM
        22h 15m
        1 stop
        BKK 12:45 PM
        Kathmandu - Bangkok | Mon, Oct 12 | SriLankan Airlines
        NZD 359
        19% off
        NZD 442 NZD 359
      • KTM 7:35 AM
        29h 25m
        1 stop
        BKK 2:15 PM
        Kathmandu - Bangkok | Sun, Oct 18 | Air India
        NZD 361
        18% off
        NZD 442 NZD 361
      • KTM 6:30 AM
        12h 40m
        1 stop
        BKK 8:25 PM
        Kathmandu - Bangkok | Sat, Oct 17 | Air India
        NZD 363
        18% off
        NZD 442 NZD 363
      • KTM 5:10 PM
        26h 10m
        1 stop
        BKK 8:35 PM
        Kathmandu - Bangkok | Tue, Nov 17 | Air India
        NZD 368
        17% off
        NZD 442 NZD 368
      • KTM 4:40 PM
        27h 50m
        1 stop
        BKK 9:45 PM
        Kathmandu - Bangkok | Tue, Oct 20 | IndiGo
        NZD 372
        16% off
        NZD 442 NZD 372
      • KTM 10:50 AM
        9h 40m
        1 stop
        BKK 9:45 PM
        Kathmandu - Bangkok | Sat, Oct 17 | IndiGo
        NZD 374
        15% off
        NZD 442 NZD 374
      • KTM 8:50 PM
        23h 40m
        1 stop
        BKK 9:45 PM
        Kathmandu - Bangkok | Sun, Oct 18 | IndiGo
        NZD 374
        15% off
        NZD 442 NZD 374
      • KTM 6:30 AM
        23h 20m
        1 stop
        BKK 7:05 AM
        Kathmandu - Bangkok | Sun, Nov 15 | Air India
        NZD 375
        15% off
        NZD 442 NZD 375
      • KTM 1:00 PM
        17h 25m
        1 stop
        BKK 2:00 PM
        Kathmandu - Bangkok | Mon, Oct 12 | Normal Airline
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Flight fares from Tribhuvan International Airport to Suvarnabhumi Airport are based on average airline prices for the next 3 months, according to Trip.com’s latest data.

Trip.com Price Insights: Flights from Tribhuvan International Airport to Suvarnabhumi Airport

Which month has the lowest one-way flight price from Tribhuvan International Airport to Suvarnabhumi Airport?

The data is based on the average one-way flight prices on Trip.com for flights from Tribhuvan International Airport to Suvarnabhumi Airport across different months over the past 12 months.

Based on Trip.com data from the past 12 months, if you’re looking for low one-way flight fares from Tribhuvan International Airport to Suvarnabhumi Airport, the best time to book is in December, with an average price of NZD 372. Try to avoid October, when prices are highest, averaging around NZD 487.

NZD 487
NZD 430
NZD 372
NZD 315
    Cheapest
  • NZD 487
    Oct
  • NZD 401
    Nov
  • NZD 372
    Dec
  • NZD 395
    Jan
  • NZD 391
    Feb
  • NZD 379
    Mar
  • NZD 429
    Apr
  • NZD 442
    May
  • NZD 429
    Jun
  • NZD 423
    Jul
  • NZD 454
    Aug
  • NZD 391
    Sep

Which month is the cheapest for round-trip flights from Tribhuvan International Airport to Suvarnabhumi Airport?

The data is based on the average round-trip flight prices on Trip.com for flights from Tribhuvan International Airport to Suvarnabhumi Airport across different months over the past 12 months.

Based on Trip.com data from the past 12 months, March is usually the cheapest month to find flights from Tribhuvan International Airport to Suvarnabhumi Airport, with an average price of NZD 573. In contrast, April is typically the most expensive month, with average prices reaching NZD 1,109.

NZD 1,109
NZD 841
NZD 573
NZD 305
    Cheapest
  • NZD 717
    Oct
  • NZD 736
    Nov
  • NZD 695
    Dec
  • NZD 620
    Jan
  • NZD 646
    Feb
  • NZD 573
    Mar
  • NZD 1,109
    Apr
  • NZD 925
    May
  • NZD 744
    Jun
  • NZD 722
    Jul
  • NZD 722
    Aug
  • NZD 798
    Sep

What is the cheapest day of the week to fly from Tribhuvan International Airport to Suvarnabhumi Airport?

The data is based on the average flight prices on Trip.com from Tribhuvan International Airport to Suvarnabhumi Airport across different days of the week over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to depart from Tribhuvan International Airport to Suvarnabhumi Airport is usually Friday, with average fares typically lower than other days. Try to avoid departing on Tuesday, as prices are usually the highest on that day.

NZD 514
NZD 480
NZD 445
NZD 411
    Cheapest
  • NZD 462
    Mon
  • NZD 514
    Tue
  • NZD 458
    Wed
  • NZD 495
    Thu
  • NZD 445
    Fri
  • NZD 505
    Sat
  • NZD 504
    Sun

Which airline offers the cheapest flights from Tribhuvan International Airport to Suvarnabhumi Airport?

The cheapest airline flying from Tribhuvan International Airport to Suvarnabhumi Airport is Nepal Airlines (from NZD 287) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Nepal Airlines
From NZD 287
SriLankan Airlines
From NZD 336
Air India
From NZD 371
Thai Airways
From NZD 383
IndiGo
From NZD 397
Biman Bangladesh Airlines
From NZD 558
China Eastern Airlines
From NZD 568
Air India Express
From NZD 575
China Southern Airlines
From NZD 618
Batik Air Malaysia
From NZD 626

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What is the flight schedule from Tribhuvan International Airport to Suvarnabhumi Airport?

Check the schedule for flights from Kathmandu to Bangkok and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. TG310

    Tribhuvan International Airport

    12:25 AM

    KTM

    3h 30m

    5:10 AM

    BKK

    S M T W T F S
    Search

  2. TG320

    Tribhuvan International Airport

    1:30 PM

    KTM

    3h 30m

    6:15 PM

    BKK

    S M T W T F S
    Search

  3. AI216

    Tribhuvan International Airport

    7:35 AM

    KTM

    1h 55m

    Nonstop

    9:15 AM

    DEL

    S M T W T F S
    Search

  4. AI2304

    Indira Gandhi International Airport

    2:30 PM

    DEL

    4h 25m

    Nonstop

    8:25 PM

    BKK

    S M T W T F S

  5. AI224

    Tribhuvan International Airport

    6:30 AM

    KTM

    2h 5m

    Nonstop

    8:20 AM

    DEL

    S M T W T F S
    Search

  6. AI2304

    Indira Gandhi International Airport

    2:30 PM

    DEL

    4h 25m

    Nonstop

    8:25 PM

    BKK

    S M T W T F S

  7. AI212

    Tribhuvan International Airport

    9:10 PM

    KTM

    2h 10m

    Nonstop

    11:05 PM

    DEL

    S M T W T F S
    Search

  8. AI2355

    Indira Gandhi International Airport

    8:25 AM

    DEL

    4h 20m

    Nonstop

    2:15 PM

    BKK

    S M T W T F S

  9. UL182

    Tribhuvan International Airport

    1:15 PM

    KTM

    3h 35m

    Nonstop

    4:35 PM

    CMB

    S - T W - - S
    Search

  10. UL402

    Bandaranaike International Airport

    1:05 AM

    CMB

    3h 40m

    Nonstop

    6:15 AM

    BKK

    S M T W T F S

  11. AI212

    Tribhuvan International Airport

    9:10 PM

    KTM

    2h 10m

    Nonstop

    11:05 PM

    DEL

    S M T W T F S
    Search

  12. AI2304

    Indira Gandhi International Airport

    2:30 PM

    DEL

    4h 25m

    Nonstop

    8:25 PM

    BKK

    S M T W T F S

  13. UL182

    Tribhuvan International Airport

    1:15 PM

    KTM

    3h 35m

    Nonstop

    4:35 PM

    CMB

    S - T W - - S
    Search

  14. UL404

    Bandaranaike International Airport

    7:35 AM

    CMB

    3h 40m

    Nonstop

    12:45 PM

    BKK

    S M T W T F S

  15. 6E1162

    Tribhuvan International Airport

    8:50 PM

    KTM

    1h 50m

    Nonstop

    10:25 PM

    DEL

    S M T W T F S
    Search

  16. 6E1053

    Indira Gandhi International Airport

    3:45 PM

    DEL

    4h 30m

    Nonstop

    9:45 PM

    BKK

    S M T W T F S

  17. AI220

    Tribhuvan International Airport

    5:00 PM

    KTM

    2h 10m

    Nonstop

    6:55 PM

    DEL

    S M T W T F S
    Search

  18. AI2304

    Indira Gandhi International Airport

    2:30 PM

    DEL

    4h 25m

    Nonstop

    8:25 PM

    BKK

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

About Tribhuvan International Airport and Suvarnabhumi Airport

Learn about Tribhuvan International Airport (KTM) and Suvarnabhumi Airport (BKK) — including location, terminals, transportation, and travel tips.

Flight distance 2,231.87 km
Cheapest one-way ticket price NZD 328
Cheapest return ticket price NZD 665

FAQs for Tribhuvan International Airport to Suvarnabhumi Airport Flights

  • How long is the flight from Tribhuvan International Airport to Suvarnabhumi Airport?

    Tribhuvan International Airport to Suvarnabhumi Airport takes about 2 hours 59 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 2 daily flights from Tribhuvan International Airport (KTM) to Suvarnabhumi Airport (BKK).
  • The earliest flight from Tribhuvan International Airport to Suvarnabhumi Airport departs at 00:25, and the last departs at 15:10, with about 3 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Tribhuvan International Airport (KTM) to Suvarnabhumi Airport (BKK) is quite popular. Without considering departure times or holidays, tickets cost around NZD 869 in November, the most expensive month to book this route.
    • The distance from Suvarnabhumi Airport to downtown is about 24 km. It takes about 40 minutes by taxi.
    • The distance from Don Mueang International Airport to downtown is about 22 km. It takes about 40 minutes by taxi.
  • Thai Airways is a very popular airline operating an average of 2432 flights per month.
  • One-way flights from Tribhuvan International Airport to Suvarnabhumi Airport currently start from NZD 328, and round-trip fares start from NZD 665. The current lowest fare is a SriLankan Airlines flight departing on Sun, Oct 25; prices may vary depending on availability.
  • Yes. Thai Airways and Nepal Airlines operate direct flights from Tribhuvan International Airport to Suvarnabhumi Airport, with an average flight time of 2 hours 58 minutes, and around 14 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Tribhuvan International Airport to Suvarnabhumi Airport is NZD 740. Prices may vary depending on the departure date, airline, and availability.
  • Tribhuvan International Airport to Suvarnabhumi Airport operates around 16 weekly flights, mainly by Thai Airways and Nepal Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Tribhuvan International Airport and Suvarnabhumi Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are the lowest estimated prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before payment. Charges for checked baggage, onboard meals, Wi-Fi, and other optional services may also appear in the flight cards where applicable.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and for many routes the data may refresh in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.