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Tribhuvan International Airport to Suvarnabhumi Airport flight
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Tribhuvan International Airport to Suvarnabhumi Airport Flights Info

Cheapest one-way
€167
SriLankan Airlines SriLankan Airlines 22h 30m · 1 stop Tue, Jan 5
Book Now
Cheapest return
€291
Thai Airways Thai Airways 3h 30m · Direct Thu, Jan 7 - Sun, Jan 10
Book Now
Best time to book
December
Cheapest
Recommended airlines
SriLankan Airlines SriLankan AirlinesCheapest· From €167 Thai Airways Thai AirwaysMost booked

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 €167 and round-trip from €291. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Thu, Jan 7 | Thai Airways
      BKK 10:15
      3h 25m
      Direct
      KTM 12:25
      Bangkok - Kathmandu | Sun, Jan 10 | Thai Airways
      €291 €352
      17% off
      17% off
      €352 €291
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Thu, Dec 31 | Thai Airways
      BKK 21:15
      3h 25m
      Direct
      KTM 23:25
      Bangkok - Kathmandu | Thu, Jan 7 | Thai Airways
      €295 €352
      16% off
      16% off
      €352 €295
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Wed, Jan 13 | Thai Airways
      BKK 10:15
      3h 25m
      Direct
      KTM 12:25
      Bangkok - Kathmandu | Mon, Jan 18 | Thai Airways
      €298 €352
      15% off
      15% off
      €352 €298
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Sat, Dec 26 | Thai Airways
      BKK 10:15
      3h 25m
      Direct
      KTM 12:25
      Bangkok - Kathmandu | Sat, Jan 2 | Thai Airways
      €298
      15% off
      €352 €298
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Mon, Dec 28 | Thai Airways
      BKK 21:15
      3h 25m
      Direct
      KTM 23:25
      Bangkok - Kathmandu | Fri, Jan 1 | Thai Airways
      €299
      15% off
      €352 €299
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Sun, Jan 10 | Thai Airways
      BKK 21:15
      3h 25m
      Direct
      KTM 23:25
      Bangkok - Kathmandu | Tue, Jan 12 | Thai Airways
      €302
      14% off
      €352 €302
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Fri, Jan 1 | Thai Airways
      BKK 21:15
      3h 25m
      Direct
      KTM 23:25
      Bangkok - Kathmandu | Thu, Jan 7 | Thai Airways
      €302
      14% off
      €352 €302
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Tue, Jan 12 | Thai Airways
      BKK 10:15
      3h 25m
      Direct
      KTM 12:25
      Bangkok - Kathmandu | Sat, Jan 16 | Thai Airways
      €304
      14% off
      €352 €304
    • 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 | Mon, Dec 28 | Thai Airways
      €304
      14% off
      €352 €304
    • KTM 13:00
      17h 25m
      1 stop
      BKK 14:00
      Kathmandu - Bangkok | Mon, Nov 16 | Normal Airline
      BKK 15:00
      6h
      Direct
      KTM 16:00
      Bangkok - Kathmandu | Wed, Nov 18 | Normal Airline
      Find more flights
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    • Cheapest
      KTM 12:50
      22h 30m
      1 stop
      BKK 12:35
      Kathmandu - Bangkok | Tue, Jan 5 | SriLankan Airlines
      €167 €223
      25% off
      25% off
      €223 €167
    • KTM 13:40
      15h 25m
      1 stop
      BKK 06:20
      Kathmandu - Bangkok | Thu, Jan 7 | SriLankan Airlines
      €168 €223
      25% off
      25% off
      €223 €168
    • KTM 12:50
      22h 30m
      1 stop
      BKK 12:35
      Kathmandu - Bangkok | Mon, Jan 11 | SriLankan Airlines
      €176 €223
      21% off
      21% off
      €223 €176
    • KTM 21:40
      19h 15m
      1 stop
      BKK 18:10
      Kathmandu - Bangkok | Thu, Jan 7 | Air India
      €184
      17% off
      €223 €184
    • KTM 21:40
      19h
      1 stop
      BKK 17:55
      Kathmandu - Bangkok | Sun, Jan 10 | Air India
      €186
      17% off
      €223 €186
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Sat, Jan 2 | Nepal Airlines
      €186
      17% off
      €223 €186
    • KTM 07:35
      29h 20m
      1 stop
      BKK 14:10
      Kathmandu - Bangkok | Sat, Jan 9 | Air India
      €187
      16% off
      €223 €187
    • KTM 12:50
      22h 30m
      1 stop
      BKK 12:35
      Kathmandu - Bangkok | Fri, Jan 8 | SriLankan Airlines
      €187
      16% off
      €223 €187
    • KTM 14:55
      29h 5m
      1 stop
      BKK 21:15
      Kathmandu - Bangkok | Wed, Jan 6 | Air India
      €188
      16% off
      €223 €188
    • KTM 13:00
      17h 25m
      1 stop
      BKK 14:00
      Kathmandu - Bangkok | Mon, Nov 16 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Sat, Jan 2 | Nepal Airlines
      €186 €223
      17% off
      17% off
      €223 €186
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Mon, Jan 4 | Thai Airways
      €193 €223
      13% off
      13% off
      €223 €193
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Fri, Jan 15 | Thai Airways
      €193 €243
      21% off
      21% off
      €243 €193
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Mon, Jan 25 | Thai Airways
      €193
      21% off
      €243 €193
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Fri, Jan 8 | Thai Airways
      €193
      21% off
      €243 €193
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Mon, Dec 28 | Thai Airways
      €194
      13% off
      €223 €194
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Wed, Feb 3 | Thai Airways
      €194
      20% off
      €243 €194
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Tue, Jan 5 | Thai Airways
      €194
      20% off
      €243 €194
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Mon, Feb 8 | Thai Airways
      €199
      18% off
      €243 €199
    • KTM 13:00
      17h 25m
      1 stop
      BKK 14:00
      Kathmandu - Bangkok | Mon, Nov 16 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Fri, Jan 15 | Thai Airways
      €193 €397
      51% off
      51% off
      €397 €193
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Mon, Jan 25 | Thai Airways
      €193 €397
      51% off
      51% off
      €397 €193
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Fri, Jan 8 | Thai Airways
      €193 €397
      51% off
      51% off
      €397 €193
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Wed, Feb 3 | Thai Airways
      €194
      51% off
      €397 €194
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Tue, Jan 5 | Thai Airways
      €194
      51% off
      €397 €194
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Mon, Feb 8 | Thai Airways
      €199
      50% off
      €397 €199
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Sun, Dec 27 | Thai Airways
      €199
      50% off
      €397 €199
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Mon, Jan 11 | Thai Airways
      €199
      50% off
      €397 €199
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Tue, Jan 12 | Thai Airways
      €199
      50% off
      €397 €199
    • KTM 13:00
      17h 25m
      1 stop
      BKK 14:00
      Kathmandu - Bangkok | Mon, Nov 16 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Sun, Nov 15 | Thai Airways
      €427 €751
      43% off
      43% off
      €751 €427
    • KTM 06:30
      10h 25m
      1 stop
      BKK 18:10
      Kathmandu - Bangkok | Sun, Nov 15 | Air India
      €320 €751
      56% off
      56% off
      €751 €320
    • KTM 10:45
      9h 5m
      1 stop
      BKK 21:05
      Kathmandu - Bangkok | Sun, Nov 15 | IndiGo
      €456 €751
      39% off
      39% off
      €751 €456
    • KTM 07:35
      9h 5m
      1 stop
      BKK 17:55
      Kathmandu - Bangkok | Mon, Nov 16 | Air India
      €549
      27% off
      €751 €549
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Mon, Nov 16 | Nepal Airlines
      €336
      55% off
      €751 €336
    • KTM 13:30
      3h 30m
      Direct
      BKK 18:15
      Kathmandu - Bangkok | Mon, Nov 16 | Thai Airways
      €628
      16% off
      €751 €628
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Tue, Nov 17 | Thai Airways
      €524
      30% off
      €751 €524
    • KTM 10:45
      9h 5m
      1 stop
      BKK 21:05
      Kathmandu - Bangkok | Tue, Nov 17 | IndiGo
      €325
      56% off
      €751 €325
    • KTM 00:25
      3h 30m
      Direct
      BKK 05:10
      Kathmandu - Bangkok | Wed, Nov 18 | Thai Airways
      €633
      16% off
      €751 €633
    • KTM 13:00
      17h 25m
      1 stop
      BKK 14:00
      Kathmandu - Bangkok | Mon, Nov 16 | Normal Airline
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    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Sat, Jan 2 | Nepal Airlines
      €186 €223
      17% off
      17% off
      €223 €186
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Fri, Feb 5 | Nepal Airlines
      €205 €391
      48% off
      48% off
      €391 €205
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Fri, Jan 22 | Nepal Airlines
      €210 €391
      46% off
      46% off
      €391 €210
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Fri, Jan 1 | Nepal Airlines
      €211
      13% off
      €243 €211
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Mon, Dec 28 | Nepal Airlines
      €230
      41% off
      €391 €230
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Mon, Feb 8 | Nepal Airlines
      €238
      39% off
      €391 €238
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Fri, Dec 25 | Nepal Airlines
      €238
      39% off
      €391 €238
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Mon, Dec 14 | Nepal Airlines
      €264
      32% off
      €391 €264
    • KTM 11:10
      3h 20m
      Direct
      BKK 15:45
      Kathmandu - Bangkok | Mon, Nov 30 | Nepal Airlines
      €268
      31% off
      €391 €268
    • KTM 13:00
      17h 25m
      1 stop
      BKK 14:00
      Kathmandu - Bangkok | Mon, Nov 16 | Normal Airline
      Find more flights
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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.

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 €167) among 3 carriers operating this route. Based on Trip.com's latest 7-day flight data.
WestJet logo WestJet Porter Airlines logo Porter Airlines Air Canada logo Air Canada Flair Airlines logo Flair Airlines Air North logo Air North
Thai Airways logo Thai Airways Nepal Airlines logo Nepal Airlines Air India logo Air India

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

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 €292. April is usually the most expensive month, with an average price reaching €566.

€566
€429
€292
€155
    Cheapest
  • €386
    Nov
  • €355
    Dec
  • €317
    Jan
  • €330
    Feb
  • €292
    Mar
  • €566
    Apr
  • €472
    May
  • €380
    Jun
  • €369
    Jul
  • €369
    Aug
  • €408
    Sep
  • €499
    Oct

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 €190. It is best to avoid August, when the average price can reach €232.

€232
€211
€190
€169
    Cheapest
  • €214
    Nov
  • €190
    Dec
  • €202
    Jan
  • €200
    Feb
  • €194
    Mar
  • €219
    Apr
  • €226
    May
  • €219
    Jun
  • €216
    Jul
  • €232
    Aug
  • €200
    Sep
  • €198
    Oct

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 Sunday as prices are typically highest on that day.

€260
€245
€229
€214
    Cheapest
  • €236
    Mon
  • €256
    Tue
  • €233
    Wed
  • €252
    Thu
  • €229
    Fri
  • €258
    Sat
  • €260
    Sun

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

    13:30

    KTM

    3h 30m

    18:15

    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

    2h

    Direct

    09:20

    DEL

    S M T W T F S
    Search

  4. AI2304

    Indira Gandhi International Airport

    14:30

    DEL

    4h 25m

    Direct

    20:25

    BKK

    S M T W T F S

  5. AI224

    Tribhuvan International Airport

    06:30

    KTM

    2h 5m

    Direct

    08:20

    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. AI218

    Tribhuvan International Airport

    14:55

    KTM

    1h 50m

    Direct

    16:30

    DEL

    S M T W T F S
    Search

  8. AI2336

    Indira Gandhi International Airport

    01:40

    DEL

    4h 30m

    Direct

    07:40

    BKK

    S M T W T F S

  9. AI212

    Tribhuvan International Airport

    21:40

    KTM

    2h

    Direct

    23:25

    DEL

    S M T W T F S
    Search

  10. AI2355

    Indira Gandhi International Airport

    06:50

    DEL

    4h 25m

    Direct

    12:45

    BKK

    S M T W T F S

  11. UL182

    Tribhuvan International Airport

    12:50

    KTM

    3h 35m

    Direct

    16:10

    CMB

    S - T W - - S
    Search

  12. UL402

    Bandaranaike International Airport

    01:15

    CMB

    3h 35m

    Direct

    06:20

    BKK

    S M T W T F S

  13. AI216

    Tribhuvan International Airport

    07:35

    KTM

    2h

    Direct

    09:20

    DEL

    S M T W T F S
    Search

  14. AI2336

    Indira Gandhi International Airport

    01:40

    DEL

    4h 30m

    Direct

    07:40

    BKK

    S M T W T F S

  15. UL182

    Tribhuvan International Airport

    12:50

    KTM

    3h 35m

    Direct

    16:10

    CMB

    S - T W - - S
    Search

  16. UL406

    Bandaranaike International Airport

    07:30

    CMB

    3h 35m

    Direct

    12:35

    BKK

    S M T W T F S

  17. AI224

    Tribhuvan International Airport

    06:30

    KTM

    2h 5m

    Direct

    08:20

    DEL

    S M T W T F S
    Search

  18. AI2336

    Indira Gandhi International Airport

    01:40

    DEL

    4h 30m

    Direct

    07:40

    BKK

    S M T W T F S
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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 €635 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 €167, and round-trip fares start from €291. The current lowest fare is a SriLankan Airlines flight departing on Tue, Jan 5; 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 54 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 €441. 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 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.