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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 €183 and round-trip from €300. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      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 | Tue, Dec 29 | Thai Airways
      €300 €393
      24% off
      24% off
      €393 €300
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Wed, Dec 23 | Thai Airways
      BKK 10:15
      3h 25m
      Direct
      KTM 12:25
      Bangkok - Kathmandu | Sun, Dec 27 | Thai Airways
      €300 €393
      24% off
      24% off
      €393 €300
    • 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 | Mon, Dec 28 | Thai Airways
      €310 €393
      21% off
      21% off
      €393 €310
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Sun, Dec 13 | Nepal Airlines
      BKK 16:45
      3h 30m
      Direct
      KTM 19:00
      Bangkok - Kathmandu | Sun, Dec 20 | Nepal Airlines
      €315
      20% off
      €393 €315
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Wed, Dec 23 | Nepal Airlines
      BKK 16:45
      3h 30m
      Direct
      KTM 19:00
      Bangkok - Kathmandu | Sun, Dec 27 | Nepal Airlines
      €333
      15% off
      €393 €333
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Sun, Dec 6 | Nepal Airlines
      BKK 16:45
      3h 30m
      Direct
      KTM 19:00
      Bangkok - Kathmandu | Sun, Dec 13 | Nepal Airlines
      €337
      14% off
      €393 €337
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Wed, Dec 16 | Nepal Airlines
      BKK 16:45
      3h 30m
      Direct
      KTM 19:00
      Bangkok - Kathmandu | Sun, Dec 20 | Nepal Airlines
      €347
      12% off
      €393 €347
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Sun, Dec 20 | Nepal Airlines
      BKK 16:45
      3h 30m
      Direct
      KTM 19:00
      Bangkok - Kathmandu | Sun, Dec 27 | Nepal Airlines
      €348
      11% off
      €393 €348
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Wed, Dec 9 | Nepal Airlines
      BKK 16:45
      3h 30m
      Direct
      KTM 19:00
      Bangkok - Kathmandu | Sun, Dec 13 | Nepal Airlines
      €349
      11% off
      €393 €349
    • KTM 13:00
      17h 25m
      1 stop
      BKK 14:00
      Kathmandu - Bangkok | Tue, Oct 27 | Normal Airline
      BKK 15:00
      6h
      Direct
      KTM 16:00
      Bangkok - Kathmandu | Thu, Oct 29 | Normal Airline
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    • Cheapest
      KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Fri, Jan 15 | Thai Airways
      €183 €252
      27% off
      27% off
      €252 €183
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Sat, Jan 9 | Thai Airways
      €195 €252
      23% off
      23% off
      €252 €195
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Thu, Dec 31 | Thai Airways
      €196 €252
      22% off
      22% off
      €252 €196
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Wed, Dec 30 | Thai Airways
      €197
      22% off
      €252 €197
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Wed, Dec 23 | Thai Airways
      €198
      21% off
      €251 €198
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Tue, Dec 22 | Thai Airways
      €198
      21% off
      €251 €198
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Thu, Dec 24 | Thai Airways
      €198
      21% off
      €251 €198
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Mon, Jan 11 | Thai Airways
      €198
      21% off
      €252 €198
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Tue, Dec 22 | Thai Airways
      €198
      21% off
      €252 €198
    • KTM 13:00
      17h 25m
      1 stop
      BKK 14:00
      Kathmandu - Bangkok | Tue, Oct 27 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Fri, Jan 15 | Thai Airways
      €183 €252
      27% off
      27% off
      €252 €183
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Sat, Jan 9 | Thai Airways
      €195 €252
      23% off
      23% off
      €252 €195
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Thu, Dec 31 | Thai Airways
      €196 €252
      22% off
      22% off
      €252 €196
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Wed, Dec 30 | Thai Airways
      €197
      22% off
      €252 €197
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Wed, Dec 23 | Thai Airways
      €198
      21% off
      €251 €198
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Tue, Dec 22 | Thai Airways
      €198
      21% off
      €251 €198
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Thu, Dec 24 | Thai Airways
      €198
      21% off
      €251 €198
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Mon, Jan 11 | Thai Airways
      €198
      21% off
      €252 €198
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Tue, Dec 22 | Thai Airways
      €198
      21% off
      €252 €198
    • KTM 13:00
      17h 25m
      1 stop
      BKK 14:00
      Kathmandu - Bangkok | Tue, Oct 27 | Normal Airline
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    • Cheapest nonstop
      KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Fri, Jan 15 | Thai Airways
      €183 €381
      52% off
      52% off
      €381 €183
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Sat, Jan 9 | Thai Airways
      €195 €381
      49% off
      49% off
      €381 €195
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Thu, Dec 31 | Thai Airways
      €196 €381
      49% off
      49% off
      €381 €196
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Wed, Dec 30 | Thai Airways
      €197
      48% off
      €381 €197
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Mon, Jan 11 | Thai Airways
      €198
      48% off
      €381 €198
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Tue, Dec 22 | Thai Airways
      €198
      48% off
      €381 €198
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Wed, Dec 23 | Thai Airways
      €198
      48% off
      €381 €198
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Wed, Jan 13 | Thai Airways
      €199
      48% off
      €381 €199
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Fri, Dec 25 | Thai Airways
      €200
      48% off
      €381 €200
    • KTM 13:00
      17h 25m
      1 stop
      BKK 14:00
      Kathmandu - Bangkok | Tue, Oct 27 | Normal Airline
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    • Cheapest nonstop
      KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Fri, Oct 30 | Nepal Airlines
      €269 €720
      63% off
      63% off
      €720 €269
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Wed, Oct 28 | Thai Airways
      €317 €720
      56% off
      56% off
      €720 €317
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Mon, Oct 26 | Nepal Airlines
      €322 €720
      55% off
      55% off
      €720 €322
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Thu, Oct 29 | Thai Airways
      €362
      50% off
      €720 €362
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Fri, Oct 30 | Thai Airways
      €365
      49% off
      €720 €365
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Tue, Oct 27 | Thai Airways
      €401
      44% off
      €720 €401
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Sun, Nov 1 | Thai Airways
      €512
      28% off
      €720 €512
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Mon, Oct 26 | Thai Airways
      €634
      12% off
      €720 €634
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Sat, Oct 31 | Thai Airways
      €640
      11% off
      €720 €640
    • KTM 13:00
      17h 25m
      1 stop
      BKK 14:00
      Kathmandu - Bangkok | Tue, Oct 27 | Normal Airline
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    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Fri, Dec 18 | Nepal Airlines
      €204 €251
      19% off
      19% off
      €251 €204
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Mon, Dec 28 | Nepal Airlines
      €205 €370
      45% off
      45% off
      €370 €205
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Mon, Jan 11 | Nepal Airlines
      €205 €370
      45% off
      45% off
      €370 €205
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Fri, Jan 1 | Nepal Airlines
      €208
      44% off
      €370 €208
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Mon, Dec 7 | Nepal Airlines
      €231
      38% off
      €370 €231
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Fri, Dec 25 | Nepal Airlines
      €232
      37% off
      €370 €232
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Mon, Nov 30 | Nepal Airlines
      €234
      37% off
      €370 €234
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Mon, Dec 14 | Nepal Airlines
      €234
      37% off
      €370 €234
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Fri, Oct 30 | Nepal Airlines
      €269
      27% off
      €370 €269
    • KTM 13:00
      17h 25m
      1 stop
      BKK 14:00
      Kathmandu - Bangkok | Tue, Oct 27 | 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 €187. It is best to avoid October, when the average price can reach €259.

€259
€223
€187
€151
    Cheapest
  • €259
    Oct
  • €202
    Nov
  • €187
    Dec
  • €199
    Jan
  • €197
    Feb
  • €191
    Mar
  • €216
    Apr
  • €223
    May
  • €216
    Jun
  • €213
    Jul
  • €228
    Aug
  • €197
    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 €288. April is usually the most expensive month, with an average price reaching €558.

€558
€423
€288
€153
    Cheapest
  • €379
    Oct
  • €370
    Nov
  • €349
    Dec
  • €312
    Jan
  • €325
    Feb
  • €288
    Mar
  • €558
    Apr
  • €466
    May
  • €374
    Jun
  • €363
    Jul
  • €363
    Aug
  • €402
    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.

€256
€240
€224
€208
    Cheapest
  • €233
    Mon
  • €256
    Tue
  • €230
    Wed
  • €250
    Thu
  • €224
    Fri
  • €253
    Sat
  • €252
    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 SriLankan Airlines (from €174) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

SriLankan Airlines
From €174
Thai Airways
From €189
Air India
From €192
Nepal Airlines
From €199
IndiGo
From €216
Air India Express
From €253
China Eastern Airlines
From €287
Biman Bangladesh Airlines
From €288
Singapore Airlines
From €325
Himalaya Airlines
From €327

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. RA401

    Tribhuvan International Airport

    11:10

    KTM

    3h 20m

    15:45

    BKK

    S - - - T - -
    Search

  2. TG320

    Tribhuvan International Airport

    14:45

    KTM

    3h 27m

    19:27

    BKK

    S M T W T F S
    Search

  3. TG310

    Tribhuvan International Airport

    00:25

    KTM

    3h 30m

    05:10

    BKK

    S M T W T F S
    Search

  4. AI216

    Tribhuvan International Airport

    07:35

    KTM

    1h 55m

    Direct

    09:15

    DEL

    S M T W T F S
    Search

  5. AI2332

    Indira Gandhi International Airport

    11:00

    DEL

    4h 25m

    Direct

    16:55

    BKK

    S M T W T F S

  6. AI214

    Tribhuvan International Airport

    10:05

    KTM

    2h

    Direct

    11:50

    DEL

    S M T W T F S
    Search

  7. AI2304

    Indira Gandhi International Airport

    14:30

    DEL

    4h 25m

    Direct

    20:25

    BKK

    S M T W T F S

  8. AI224

    Tribhuvan International Airport

    06:30

    KTM

    2h 5m

    Direct

    08:20

    DEL

    S M T W T F S
    Search

  9. AI2332

    Indira Gandhi International Airport

    11:00

    DEL

    4h 25m

    Direct

    16:55

    BKK

    S M T W T F S

  10. AI216

    Tribhuvan International Airport

    07:35

    KTM

    1h 55m

    Direct

    09:15

    DEL

    S M T W T F S
    Search

  11. AI2304

    Indira Gandhi International Airport

    14:30

    DEL

    4h 25m

    Direct

    20:25

    BKK

    S M T W T F S

  12. AI224

    Tribhuvan International Airport

    06:30

    KTM

    2h 5m

    Direct

    08:20

    DEL

    S M T W T F S
    Search

  13. AI2304

    Indira Gandhi International Airport

    14:30

    DEL

    4h 25m

    Direct

    20:25

    BKK

    S M T W T F S

  14. UL182

    Tribhuvan International Airport

    13:15

    KTM

    3h 35m

    Direct

    16:35

    CMB

    S - T W - - S
    Search

  15. UL402

    Bandaranaike International Airport

    01:15

    CMB

    3h 35m

    Direct

    06:20

    BKK

    S M T W T F S

  16. AI218

    Tribhuvan International Airport

    14:00

    KTM

    1h 50m

    Direct

    15:35

    DEL

    S M T W T F S
    Search

  17. AI2355

    Indira Gandhi International Airport

    08:25

    DEL

    4h 20m

    Direct

    14:15

    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 2,231.87km
Cheapest one-way ticket price €183
Cheapest return ticket price €300

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 56 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 €439 in November, 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 €198, and round-trip fares start from €300. The current lowest fare is a Thai Airways flight departing on Wed, Dec 23; 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 €404. 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 estimated lowest price 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 prices (incl. taxes, fuel surcharge, 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 were updated within the last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled 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 check the customer support pages.