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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 £147 and round-trip from £253. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Sun, Dec 27 | Thai Airways
      BKK 10:15
      3h 25m
      Direct
      KTM 12:25
      Bangkok - Kathmandu | Sun, Jan 3 | Thai Airways
      £253 £388
      35% off
      35% off
      £388 £253
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Sun, Dec 20 | Thai Airways
      BKK 10:15
      3h 25m
      Direct
      KTM 12:25
      Bangkok - Kathmandu | Sun, Dec 27 | Thai Airways
      £253 £388
      35% off
      35% off
      £388 £253
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Mon, Dec 21 | Thai Airways
      BKK 10:15
      3h 25m
      Direct
      KTM 12:25
      Bangkok - Kathmandu | Fri, Dec 25 | Thai Airways
      £253 £388
      35% off
      35% off
      £388 £253
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Wed, Dec 23 | Thai Airways
      BKK 10:15
      3h 25m
      Direct
      KTM 12:25
      Bangkok - Kathmandu | Mon, Dec 28 | Thai Airways
      £254
      35% off
      £388 £254
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Tue, Dec 22 | Thai Airways
      BKK 10:15
      3h 25m
      Direct
      KTM 12:25
      Bangkok - Kathmandu | Sat, Dec 26 | Thai Airways
      £262
      32% off
      £388 £262
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Thu, Dec 24 | Thai Airways
      BKK 10:15
      3h 25m
      Direct
      KTM 12:25
      Bangkok - Kathmandu | Thu, Dec 31 | Thai Airways
      £263
      32% off
      £388 £263
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Fri, Dec 11 | Nepal Airlines
      BKK 16:45
      3h 30m
      Direct
      KTM 19:00
      Bangkok - Kathmandu | Fri, Dec 18 | Nepal Airlines
      £266
      31% off
      £388 £266
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Fri, Dec 25 | Thai Airways
      BKK 10:15
      3h 25m
      Direct
      KTM 12:25
      Bangkok - Kathmandu | Fri, Jan 1 | Thai Airways
      £266
      31% off
      £388 £266
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Sat, Dec 26 | Thai Airways
      BKK 10:15
      3h 25m
      Direct
      KTM 12:25
      Bangkok - Kathmandu | Tue, Dec 29 | Thai Airways
      £268
      31% off
      £388 £268
    • KTM 13:00
      17h 25m
      1 stop
      BKK 14:00
      Kathmandu - Bangkok | Fri, Oct 30 | Normal Airline
      BKK 15:00
      6h
      Direct
      KTM 16:00
      Bangkok - Kathmandu | Sun, Nov 1 | Normal Airline
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    • Cheapest
      KTM 13:40
      21h 50m
      1 stop
      BKK 12:45
      Kathmandu - Bangkok | Sat, Oct 31 | SriLankan Airlines
      £147 £229
      36% off
      36% off
      £229 £147
    • KTM 21:40
      15h 15m
      1 stop
      BKK 14:10
      Kathmandu - Bangkok | Sat, Nov 21 | Air India
      £158 £229
      31% off
      31% off
      £229 £158
    • KTM 21:40
      22h 20m
      1 stop
      BKK 21:15
      Kathmandu - Bangkok | Mon, Nov 23 | Air India
      £159 £229
      31% off
      31% off
      £229 £159
    • KTM 21:40
      22h 20m
      1 stop
      BKK 21:15
      Kathmandu - Bangkok | Tue, Nov 24 | Air India
      £160
      30% off
      £229 £160
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Fri, Jan 15 | Thai Airways
      £160
      30% off
      £229 £160
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Mon, Dec 21 | Thai Airways
      £161
      30% off
      £229 £161
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Thu, Oct 29 | Thai Airways
      £163
      28% off
      £229 £163
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Wed, Dec 23 | Thai Airways
      £163
      28% off
      £229 £163
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Fri, Dec 25 | Thai Airways
      £163
      28% off
      £229 £163
    • KTM 13:00
      17h 25m
      1 stop
      BKK 14:00
      Kathmandu - Bangkok | Fri, Oct 30 | Normal Airline
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    • Cheapest nonstop
      KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Fri, Jan 15 | Thai Airways
      £160 £376
      56% off
      56% off
      £376 £160
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Mon, Dec 21 | Thai Airways
      £161 £376
      56% off
      56% off
      £376 £161
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Fri, Dec 25 | Thai Airways
      £163 £376
      56% off
      56% off
      £376 £163
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Mon, Dec 28 | Thai Airways
      £163
      56% off
      £376 £163
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Thu, Jan 21 | Thai Airways
      £164
      56% off
      £376 £164
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Thu, Dec 24 | Thai Airways
      £164
      56% off
      £376 £164
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Mon, Jan 11 | Thai Airways
      £165
      56% off
      £376 £165
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Mon, Jan 18 | Thai Airways
      £166
      56% off
      £376 £166
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Tue, Dec 22 | Thai Airways
      £167
      56% off
      £376 £167
    • KTM 13:00
      17h 25m
      1 stop
      BKK 14:00
      Kathmandu - Bangkok | Fri, Oct 30 | Normal Airline
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    • Cheapest nonstop
      KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Fri, Jan 15 | Thai Airways
      £160 £229
      30% off
      30% off
      £229 £160
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Mon, Dec 21 | Thai Airways
      £161 £229
      30% off
      30% off
      £229 £161
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Thu, Oct 29 | Thai Airways
      £163 £229
      28% off
      28% off
      £229 £163
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Wed, Dec 23 | Thai Airways
      £163
      28% off
      £229 £163
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Fri, Dec 25 | Thai Airways
      £163
      28% off
      £229 £163
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Mon, Dec 28 | Thai Airways
      £163
      28% off
      £229 £163
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Sat, Dec 26 | Thai Airways
      £164
      28% off
      £229 £164
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Thu, Jan 21 | Thai Airways
      £164
      28% off
      £229 £164
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Thu, Dec 24 | Thai Airways
      £164
      28% off
      £229 £164
    • KTM 13:00
      17h 25m
      1 stop
      BKK 14:00
      Kathmandu - Bangkok | Fri, Oct 30 | Normal Airline
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    • Cheapest nonstop
      KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Wed, Nov 4 | Thai Airways
      £235 £740
      68% off
      68% off
      £740 £235
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Tue, Nov 3 | Thai Airways
      £236 £740
      68% off
      68% off
      £740 £236
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Thu, Oct 29 | Thai Airways
      £255 £740
      66% off
      66% off
      £740 £255
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Mon, Nov 2 | Thai Airways
      £266
      64% off
      £740 £266
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Mon, Nov 2 | Nepal Airlines
      £268
      64% off
      £740 £268
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Fri, Oct 30 | Nepal Airlines
      £272
      63% off
      £740 £272
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Fri, Oct 30 | Thai Airways
      £352
      52% off
      £740 £352
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Sun, Nov 1 | Thai Airways
      £433
      41% off
      £740 £433
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Sat, Oct 31 | Thai Airways
      £540
      27% off
      £740 £540
    • KTM 13:00
      17h 25m
      1 stop
      BKK 14:00
      Kathmandu - Bangkok | Fri, Oct 30 | Normal Airline
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    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Mon, Dec 28 | Nepal Airlines
      £168 £381
      56% off
      56% off
      £381 £168
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Mon, Jan 11 | Nepal Airlines
      £171 £381
      55% off
      55% off
      £381 £171
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Fri, Jan 22 | Nepal Airlines
      £175 £381
      54% off
      54% off
      £381 £175
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Fri, Jan 1 | Nepal Airlines
      £175
      54% off
      £381 £175
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Fri, Dec 25 | Nepal Airlines
      £193
      49% off
      £381 £193
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Mon, Dec 7 | Nepal Airlines
      £195
      49% off
      £381 £195
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Mon, Dec 14 | Nepal Airlines
      £197
      48% off
      £381 £197
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Mon, Nov 30 | Nepal Airlines
      £225
      41% off
      £381 £225
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Mon, Nov 2 | Nepal Airlines
      £268
      30% off
      £381 £268
    • KTM 13:00
      17h 25m
      1 stop
      BKK 14:00
      Kathmandu - Bangkok | Fri, Oct 30 | Normal Airline
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Displayed flight fares from Kathmandu to Bangkok are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

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

What is the cheapest month to fly from Tribhuvan International Airport to Suvarnabhumi Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Tribhuvan International Airport to Suvarnabhumi Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from Tribhuvan International Airport to Suvarnabhumi Airport are usually in December, with an average price of £158. It is best to avoid October, when the average price can reach £233.

£233
£196
£158
£121
    Cheapest
  • £233
    Oct
  • £170
    Nov
  • £158
    Dec
  • £168
    Jan
  • £166
    Feb
  • £161
    Mar
  • £182
    Apr
  • £188
    May
  • £182
    Jun
  • £180
    Jul
  • £193
    Aug
  • £166
    Sep

What is the cheapest month to fly return from Tribhuvan International Airport to Suvarnabhumi Airport?

The data is based on the past 12 months and shows the average monthly return fares from Tribhuvan International Airport to Suvarnabhumi Airport in the Trip.com database.

Based on Trip.com's data from the past 12 months, March is often the month to find the lowest fares from Tribhuvan International Airport to Suvarnabhumi Airport, with an average price of £243. April is usually the most expensive month, with an average price reaching £471.

£471
£357
£243
£129
    Cheapest
  • £250
    Oct
  • £313
    Nov
  • £295
    Dec
  • £263
    Jan
  • £274
    Feb
  • £243
    Mar
  • £471
    Apr
  • £393
    May
  • £316
    Jun
  • £307
    Jul
  • £306
    Aug
  • £339
    Sep

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

The data is based on the past 12 months and shows the average ticket prices from Tribhuvan International Airport to Suvarnabhumi Airport for each day of the week in the Trip.com database.

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

£214
£202
£190
£178
    Cheapest
  • £197
    Mon
  • £214
    Tue
  • £194
    Wed
  • £211
    Thu
  • £190
    Fri
  • £214
    Sat
  • £213
    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 Thai Airways (from £161) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Thai Airways
From £161
Air India
From £166
Nepal Airlines
From £173
IndiGo
From £178
Air India Express
From £195
SriLankan Airlines
From £196
Biman Bangladesh Airlines
From £237
China Eastern Airlines
From £238
Himalaya Airlines
From £268
Batik Air Malaysia
From £274

Find more flights and airlines

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. TG320

    Tribhuvan International Airport

    14:45

    KTM

    3h 27m

    19:27

    BKK

    S M T W T F S
    Search

  2. TG310

    Tribhuvan International Airport

    00:25

    KTM

    3h 30m

    05:10

    BKK

    S M T W T F S
    Search

  3. AI216

    Tribhuvan International Airport

    07:35

    KTM

    1h 55m

    Direct

    09:15

    DEL

    S M T W T F S
    Search

  4. AI2332

    Indira Gandhi International Airport

    11:00

    DEL

    4h 25m

    Direct

    16:55

    BKK

    S M T W T F S

  5. AI214

    Tribhuvan International Airport

    10:05

    KTM

    2h

    Direct

    11:50

    DEL

    S M T W T F S
    Search

  6. AI2304

    Indira Gandhi International Airport

    14:30

    DEL

    4h 25m

    Direct

    20:25

    BKK

    S M T W T F S

  7. AI224

    Tribhuvan International Airport

    06:35

    KTM

    1h 55m

    Direct

    08:15

    DEL

    S M T W T F S
    Search

  8. AI2332

    Indira Gandhi International Airport

    11:00

    DEL

    4h 25m

    Direct

    16:55

    BKK

    S M T W T F S

  9. AI216

    Tribhuvan International Airport

    07:35

    KTM

    1h 55m

    Direct

    09:15

    DEL

    S M T W T F S
    Search

  10. AI2304

    Indira Gandhi International Airport

    14:30

    DEL

    4h 25m

    Direct

    20:25

    BKK

    S M T W T F S

  11. AI224

    Tribhuvan International Airport

    06:35

    KTM

    1h 55m

    Direct

    08:15

    DEL

    S M T W T F S
    Search

  12. AI2304

    Indira Gandhi International Airport

    14:30

    DEL

    4h 25m

    Direct

    20:25

    BKK

    S M T W T F S

  13. AI212

    Tribhuvan International Airport

    21:10

    KTM

    1h 50m

    Direct

    22:45

    DEL

    S M T W T F S
    Search

  14. AI2355

    Indira Gandhi International Airport

    08:25

    DEL

    4h 20m

    Direct

    14:15

    BKK

    S M T W T F S

  15. UL182

    Tribhuvan International Airport

    13:40

    KTM

    3h 35m

    Direct

    17:00

    CMB

    S - T W - - S
    Search

  16. UL402

    Bandaranaike International Airport

    01:15

    CMB

    3h 35m

    Direct

    06:20

    BKK

    S M T W T F S

  17. AI212

    Tribhuvan International Airport

    21:10

    KTM

    1h 50m

    Direct

    22:45

    DEL

    S M T W T F S
    Search

  18. AI2304

    Indira Gandhi International Airport

    14:30

    DEL

    4h 25m

    Direct

    20:25

    BKK

    S M T W T F S
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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 2,231.87km
Cheapest one-way ticket price £147
Cheapest return ticket price £253

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 54 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 13:30, 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 £427 in October, the most expensive month to book this route.
    • The distance from Suvarnabhumi Airport to downtown is about 24km, by taxi about 40 minutes.
    • The distance from Don Mueang International Airport to downtown is about 22km, by taxi about 40 minutes.
  • 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 £147, and round-trip fares start from £253. The current lowest fare is a SriLankan Airlines flight departing on Sat, Oct 31; 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 53 minutes, and around 16 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 £341. 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.

Find Cheap Flights with Trip.com

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

Book with no extra fees

Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check 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 according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed 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 visit the customer support pages.