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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 THB 5,830 and round-trip from THB 12,340. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        KTM 11:10
        3h 20m
        Nonstop
        BKK 15:45
        Kathmandu - Bangkok | Mon, Dec 7 | Nepal Airlines
        BKK 16:45
        3h 30m
        Nonstop
        KTM 19:00
        Bangkok - Kathmandu | Mon, Dec 14 | Nepal Airlines
        THB 12,340 THB 16,110
        23% off
        23% off
        THB 16,110 THB 12,340
      • KTM 00:25
        3h 30m
        Nonstop
        BKK 05:10
        Kathmandu - Bangkok | Sat, Nov 7 | Thai Airways
        BKK 21:15
        3h 25m
        Nonstop
        KTM 23:25
        Bangkok - Kathmandu | Thu, Nov 12 | Thai Airways
        THB 13,690 THB 16,110
        15% off
        15% off
        THB 16,110 THB 13,690
      • KTM 14:55
        26h 15m
        1 stop
        BKK 18:25
        Kathmandu - Bangkok | Tue, Nov 10 | Air India
        BKK 22:20
        19h 5m
        1 stop
        KTM 16:10
        Bangkok - Kathmandu | Thu, Nov 12 | Air India
        THB 13,000 THB 16,110
        19% off
        19% off
        THB 16,110 THB 13,000
      • KTM 14:55
        28h 25m
        1 stop
        BKK 20:35
        Kathmandu - Bangkok | Thu, Nov 5 | Air India
        BKK 15:10
        9h
        1 stop
        KTM 22:55
        Bangkok - Kathmandu | Wed, Nov 11 | Air India
        THB 13,160
        18% off
        THB 16,110 THB 13,160
      • KTM 21:40
        19h
        1 stop
        BKK 17:55
        Kathmandu - Bangkok | Fri, Nov 6 | Air India
        BKK 19:05
        20h 5m
        1 stop
        KTM 13:55
        Bangkok - Kathmandu | Mon, Nov 9 | Air India
        THB 13,220
        18% off
        THB 16,110 THB 13,220
      • KTM 17:10
        26h 20m
        1 stop
        BKK 20:45
        Kathmandu - Bangkok | Thu, Nov 12 | Air India
        BKK 08:05
        16h 5m
        1 stop
        KTM 22:55
        Bangkok - Kathmandu | Mon, Nov 16 | Air India
        THB 13,330
        17% off
        THB 16,110 THB 13,330
      • KTM 21:40
        21h 50m
        1 stop
        BKK 20:45
        Kathmandu - Bangkok | Wed, Nov 11 | Air India
        BKK 08:05
        13h 50m
        1 stop
        KTM 20:40
        Bangkok - Kathmandu | Tue, Nov 17 | Air India
        THB 13,370
        17% off
        THB 16,110 THB 13,370
      • KTM 07:35
        11h 55m
        1 stop
        BKK 20:45
        Kathmandu - Bangkok | Sat, Nov 7 | Air India
        BKK 22:20
        9h 30m
        1 stop
        KTM 06:35
        Bangkok - Kathmandu | Thu, Nov 12 | Air India
        THB 13,440
        17% off
        THB 16,110 THB 13,440
      • KTM 17:10
        26h 20m
        1 stop
        BKK 20:45
        Kathmandu - Bangkok | Sun, Nov 8 | Air India
        BKK 22:20
        16h 50m
        1 stop
        KTM 13:55
        Bangkok - Kathmandu | Wed, Nov 11 | Air India
        THB 13,450
        17% off
        THB 16,110 THB 13,450
      • KTM 14:55
        28h 35m
        1 stop
        BKK 20:45
        Kathmandu - Bangkok | Fri, Nov 13 | Air India
        BKK 06:50
        17h 20m
        1 stop
        KTM 22:55
        Bangkok - Kathmandu | Fri, Nov 20 | Air India
        THB 13,470
        16% off
        THB 16,110 THB 13,470
      • KTM 06:30
        9h 10m
        1 stop
        BKK 16:55
        Kathmandu - Bangkok | Fri, Oct 23 | Air India
        BKK 22:25
        11h 55m
        1 stop
        KTM 09:05
        Bangkok - Kathmandu | Mon, Oct 26 | Air India
        THB 13,510
        16% off
        THB 16,110 THB 13,510
      • KTM 13:15
        22h 15m
        1 stop
        BKK 12:45
        Kathmandu - Bangkok | Thu, Oct 22 | SriLankan Airlines
        BKK 22:25
        11h 55m
        1 stop
        KTM 09:05
        Bangkok - Kathmandu | Sat, Oct 24 | Air India
        THB 13,680
        15% off
        THB 16,110 THB 13,680
      • KTM 13:00
        17h 25m
        1 stop
        BKK 14:00
        Kathmandu - Bangkok | Mon, Oct 12 | Normal Airline
        BKK 15:00
        6h
        Nonstop
        KTM 16:00
        Bangkok - Kathmandu | Wed, Oct 14 | Normal Airline
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      • Cheapest nonstop
        KTM 11:10
        3h 20m
        Nonstop
        BKK 15:45
        Kathmandu - Bangkok | Mon, Oct 12 | Nepal Airlines
        THB 5,830 THB 8,650
        33% off
        33% off
        THB 8,650 THB 5,830
      • KTM 00:25
        3h 30m
        Nonstop
        BKK 05:10
        Kathmandu - Bangkok | Sun, Nov 1 | Thai Airways
        THB 6,720 THB 8,650
        22% off
        22% off
        THB 8,650 THB 6,720
      • KTM 00:25
        3h 30m
        Nonstop
        BKK 05:10
        Kathmandu - Bangkok | Thu, Oct 15 | Thai Airways
        THB 7,010 THB 8,650
        19% off
        19% off
        THB 8,650 THB 7,010
      • KTM 00:25
        3h 30m
        Nonstop
        BKK 05:10
        Kathmandu - Bangkok | Sat, Oct 31 | Thai Airways
        THB 7,190
        17% off
        THB 8,650 THB 7,190
      • KTM 00:25
        3h 30m
        Nonstop
        BKK 05:10
        Kathmandu - Bangkok | Wed, Oct 14 | Thai Airways
        THB 7,210
        17% off
        THB 8,650 THB 7,210
      • KTM 00:25
        3h 30m
        Nonstop
        BKK 05:10
        Kathmandu - Bangkok | Fri, Oct 16 | Thai Airways
        THB 7,300
        16% off
        THB 8,650 THB 7,300
      • KTM 00:25
        3h 30m
        Nonstop
        BKK 05:10
        Kathmandu - Bangkok | Sat, Oct 24 | Thai Airways
        THB 7,350
        15% off
        THB 8,650 THB 7,350
      • KTM 13:30
        3h 30m
        Nonstop
        BKK 18:15
        Kathmandu - Bangkok | Sun, Oct 11 | Thai Airways
        THB 7,350
        15% off
        THB 8,650 THB 7,350
      • KTM 07:35
        21h 40m
        1 stop
        BKK 06:30
        Kathmandu - Bangkok | Tue, Oct 20 | Air India
        THB 6,900
        20% off
        THB 8,650 THB 6,900
      • KTM 13:15
        22h 15m
        1 stop
        BKK 12:45
        Kathmandu - Bangkok | Sun, Oct 11 | SriLankan Airlines
        THB 7,040
        19% off
        THB 8,650 THB 7,040
      • KTM 20:50
        23h 40m
        1 stop
        BKK 21:45
        Kathmandu - Bangkok | Thu, Oct 15 | IndiGo
        THB 7,060
        18% off
        THB 8,650 THB 7,060
      • KTM 17:10
        19h 45m
        1 stop
        BKK 14:10
        Kathmandu - Bangkok | Sat, Nov 7 | Air India
        THB 7,350
        15% off
        THB 8,650 THB 7,350
      • KTM 13:00
        17h 25m
        1 stop
        BKK 14:00
        Kathmandu - Bangkok | Mon, Oct 12 | Normal Airline
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Displayed flight fares from Tribhuvan International Airport to Suvarnabhumi Airport 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 for one-way flights from Tribhuvan International Airport to Suvarnabhumi Airport?

Data is based on average one-way flight prices from Tribhuvan International Airport to Suvarnabhumi Airport in Trip.com's database over the past 12 months.

Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from Tribhuvan International Airport to Suvarnabhumi Airport, the best time to buy is in December, with an average price of THB 6,990. You’ll want to avoid October, when the average price can reach as high as THB 9,160.

THB 9,160
THB 8,075
THB 6,990
THB 5,905
    Cheapest
  • THB 9,160
    Oct
  • THB 7,530
    Nov
  • THB 6,990
    Dec
  • THB 7,430
    Jan
  • THB 7,360
    Feb
  • THB 7,120
    Mar
  • THB 8,070
    Apr
  • THB 8,320
    May
  • THB 8,070
    Jun
  • THB 7,950
    Jul
  • THB 8,530
    Aug
  • THB 7,350
    Sep

What’s the cheapest month to fly round-trip from Tribhuvan International Airport to Suvarnabhumi Airport?

The data is based on the past 12 months and shows the average monthly round-trip 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 typically the cheapest month to find flights from Tribhuvan International Airport to Suvarnabhumi Airport, with an average price of THB 10,770. In contrast, April is usually the most expensive month, with average fares reaching THB 20,870.

THB 20,870
THB 15,820
THB 10,770
THB 5,720
    Cheapest
  • THB 13,480
    Oct
  • THB 13,850
    Nov
  • THB 13,060
    Dec
  • THB 11,670
    Jan
  • THB 12,150
    Feb
  • THB 10,770
    Mar
  • THB 20,870
    Apr
  • THB 17,400
    May
  • THB 13,990
    Jun
  • THB 13,590
    Jul
  • THB 13,580
    Aug
  • THB 15,010
    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 day to depart from Tribhuvan International Airport to Suvarnabhumi Airport is Friday, with average fares typically lower than other days. You’ll want to avoid flying on Tuesday, as ticket prices are usually the highest that day.

THB 9,670
THB 9,020
THB 8,370
THB 7,720
    Cheapest
  • THB 8,690
    Mon
  • THB 9,670
    Tue
  • THB 8,610
    Wed
  • THB 9,310
    Thu
  • THB 8,370
    Fri
  • THB 9,500
    Sat
  • THB 9,480
    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 THB 5,830) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Nepal Airlines
From THB 5,830
Thai Airways
From THB 6,720
Air India
From THB 6,900
SriLankan Airlines
From THB 7,040
IndiGo
From THB 7,060
China Eastern Airlines
From THB 10,450
Biman Bangladesh Airlines
From THB 10,460
Air India Express
From THB 10,500
Singapore Airlines
From THB 10,650
Batik Air Malaysia
From THB 11,640

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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. 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. 6E1152

    Tribhuvan International Airport

    10:50

    KTM

    2h 5m

    Nonstop

    12:40

    DEL

    S M T W T F S
    Search

  4. 6E1053

    Indira Gandhi International Airport

    15:45

    DEL

    4h 30m

    Nonstop

    21:45

    BKK

    S M T W T F S

  5. AI216

    Tribhuvan International Airport

    07:35

    KTM

    1h 55m

    Nonstop

    09:15

    DEL

    S M T W T F S
    Search

  6. AI2304

    Indira Gandhi International Airport

    14:30

    DEL

    4h 25m

    Nonstop

    20:25

    BKK

    S M T W T F S

  7. AI224

    Tribhuvan International Airport

    06:30

    KTM

    2h 5m

    Nonstop

    08:20

    DEL

    S M T W T F S
    Search

  8. AI2304

    Indira Gandhi International Airport

    14:30

    DEL

    4h 25m

    Nonstop

    20:25

    BKK

    S M T W T F S

  9. AI212

    Tribhuvan International Airport

    21:10

    KTM

    2h 10m

    Nonstop

    23:05

    DEL

    S M T W T F S
    Search

  10. AI2355

    Indira Gandhi International Airport

    08:25

    DEL

    4h 20m

    Nonstop

    14:15

    BKK

    S M T W T F S

  11. UL182

    Tribhuvan International Airport

    13:15

    KTM

    3h 35m

    Nonstop

    16:35

    CMB

    S - T W - - S
    Search

  12. UL402

    Bandaranaike International Airport

    01:05

    CMB

    3h 40m

    Nonstop

    06:15

    BKK

    S M T W T F S

  13. AI212

    Tribhuvan International Airport

    21:10

    KTM

    2h 10m

    Nonstop

    23:05

    DEL

    S M T W T F S
    Search

  14. AI2304

    Indira Gandhi International Airport

    14:30

    DEL

    4h 25m

    Nonstop

    20:25

    BKK

    S M T W T F S

  15. UL182

    Tribhuvan International Airport

    13:15

    KTM

    3h 35m

    Nonstop

    16:35

    CMB

    S - T W - - S
    Search

  16. UL404

    Bandaranaike International Airport

    07:35

    CMB

    3h 40m

    Nonstop

    12:45

    BKK

    S M T W T F S

  17. 6E1162

    Tribhuvan International Airport

    20:50

    KTM

    1h 50m

    Nonstop

    22:25

    DEL

    S M T W T F S
    Search

  18. 6E1053

    Indira Gandhi International Airport

    15:45

    DEL

    4h 30m

    Nonstop

    21:45

    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 2,231.87 km
Cheapest one-way ticket price THB 5,830
Cheapest return ticket price THB 12,340

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 THB 16,340 in November, the most expensive month to book this route.
  • The latest flight departs from Tribhuvan International Airport (KTM) at 21:00 and arrives in Suvarnabhumi Airport (BKK) at 01:45.
    • The distance from Suvarnabhumi Airport to downtown is about 24 km, by taxi about 40 minutes.
    • The distance from Don Mueang International Airport to downtown is about 22 km, 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 THB 5,830, and round-trip fares start from THB 12,340. The current lowest fare is a Nepal Airlines flight departing on Mon, Oct 12; 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 THB 13,920. 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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