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Flights from Colombo to Bangkok

Find cheap airlines flights from Colombo to Bangkok

Choose from 6 carriers that fly from Colombo to Bangkok, including Thai AirAsia, SriLankan Airlines, and Thai Airways. Enjoy the cheapest tickets on this route with Thai AirAsia.
Thai AirAsia logo Thai AirAsia SriLankan Airlines logo SriLankan Airlines Thai Airways logo Thai Airways Air India logo Air India AirAsia logo AirAsia IndiGo logo IndiGo

Book direct flights from Colombo to Bangkok: One way flights from $136, round trip flights from $337. Find flight deals for the next 3 months below.

      • Cheapest nonstop
        CMB 11:10 PM
        3h 25m
        Nonstop
        DMK 4:05 AM
        Colombo - Bangkok | Sat, Nov 15 | Thai AirAsia
        DMK 8:10 PM
        3h 20m
        Nonstop
        CMB 10:00 PM
        Bangkok - Colombo | Thu, Nov 20 | Thai AirAsia
        $337 $541
        38% OFF
        38% OFF
        $541 $337
      • CMB 11:10 PM
        3h 25m
        Nonstop
        DMK 4:05 AM
        Colombo - Bangkok | Tue, Nov 18 | Thai AirAsia
        DMK 8:10 PM
        3h 20m
        Nonstop
        CMB 10:00 PM
        Bangkok - Colombo | Sun, Nov 23 | Thai AirAsia
        $396 $541
        27% OFF
        27% OFF
        $541 $396
      • CMB 3:15 AM
        3h 25m
        Nonstop
        DMK 8:10 AM
        Colombo - Bangkok | Fri, Jan 9 | Thai AirAsia
        DMK 6:40 PM
        16h 15m
        1 stop
        CMB 9:25 AM
        Bangkok - Colombo | Thu, Jan 15 | AirAsia
        $215 $541
        60% OFF
        60% OFF
        $541 $215
      • CMB 2:50 AM
        3h 20m
        Nonstop
        DMK 7:40 AM
        Colombo - Bangkok | Wed, Dec 3 | Thai AirAsia
        DMK 6:40 AM
        16h 40m
        1 stop
        CMB 9:50 PM
        Bangkok - Colombo | Sat, Dec 6 | Thai AirAsia
        $221
        59% OFF
        $541 $221
      • CMB 10:25 AM
        8h 35m
        1 stop
        DMK 8:30 PM
        Colombo - Bangkok | Sun, Nov 16 | AirAsia
        DMK 9:35 PM
        13h 20m
        1 stop
        CMB 9:25 AM
        Bangkok - Colombo | Sat, Nov 22 | AirAsia
        $304
        44% OFF
        $541 $304
      • CMB 10:25 AM
        7h 15m
        1 stop
        DMK 7:10 PM
        Colombo - Bangkok | Wed, Nov 26 | AirAsia
        DMK 7:40 PM
        15h 15m
        1 stop
        CMB 9:25 AM
        Bangkok - Colombo | Wed, Dec 3 | AirAsia
        $319
        41% OFF
        $541 $319
      • CMB 10:25 AM
        7h 15m
        1 stop
        DMK 7:10 PM
        Colombo - Bangkok | Wed, Nov 19 | AirAsia
        DMK 9:55 AM
        13h 25m
        1 stop
        CMB 9:50 PM
        Bangkok - Colombo | Tue, Nov 25 | AirAsia
        $334
        38% OFF
        $541 $334
      • CMB 10:50 PM
        16h
        1 stop
        DMK 4:20 PM
        Colombo - Bangkok | Thu, Nov 20 | AirAsia
        DMK 9:25 PM
        13h 30m
        1 stop
        CMB 9:25 AM
        Bangkok - Colombo | Thu, Nov 27 | AirAsia
        $410
        24% OFF
        $541 $410
      • CMB 10:25 AM
        7h 15m
        1 stop
        DMK 7:10 PM
        Colombo - Bangkok | Sat, Nov 15 | AirAsia
        DMK 8:10 PM
        3h 20m
        Nonstop
        CMB 10:00 PM
        Bangkok - Colombo | Thu, Nov 20 | Thai AirAsia
        $422
        22% OFF
        $541 $422
      • CMB 11:00 PM
        16h 45m
        1 stop
        DMK 5:15 PM
        Colombo - Bangkok | Mon, Nov 24 | AirAsia
        DMK 9:00 PM
        13h 55m
        1 stop
        CMB 9:25 AM
        Bangkok - Colombo | Sun, Nov 30 | AirAsia
        $444
        18% OFF
        $541 $444
      • CMB 1:00 PM
        17h 25m
        1 stop
        BKK Invalid Date
        Colombo - Bangkok | Sun, Nov 16 | Normal Airline
        BKK 3:00 PM
        6h
        Nonstop
        CMB 4:00 PM
        Bangkok - Colombo | Tue, Nov 18 | Normal Airline
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Colombo to Bangkok

The distance between Colombo and Bangkok is about 2,380.36 km. It takes around 3 hours 35 minutes on average to fly from Colombo to Bangkok. The most popular month to Bangkok is July. The off-season for travel is November.

Cheapest one-way flight price$136
Cheapest round-trip ticket price$215
Off-season for travelNovember
Peak season for travelJuly
Flight distance2,380.36 km
Average flight time3 hours 35 minutes
Popular airlineThai AirAsia

When is the cheapest time to fly from Colombo to Bangkok?

The cheapest time for Colombo to Bangkok flights: Jan 25 to Feb 1 — one way flight prices from $127.

Cheapest flights
From price
Search
  • 916
  • 1623
  • 2330

  • Dec

    307
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • Which airlines offer direct flights from Colombo to Bangkok?

    At the moment, you can catch a nonstop flight from Colombo to Bangkok with the following airlines, including: Thai AirAsia SriLankan Airlines Thai Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 3 hours 35 minutes to fly from Colombo (CMB) to Bangkok (BKK).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Colombo to Bangkok is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 27 flight per week flying from Colombo to Bangkok. You can check the weekly schedule for popular airlines on this route below: SriLankan Airlines: S/M/T/W/T/F/S -- UL402 (01:17) Thai Airways: S/M/T/W/T/F/S -- TG308 (01:11)
  • The cheapest months to fly from Colombo to Bangkok is November, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Colombo to Bangkok on November 15, 2025 with Thai AirAsia, with prices starting at $121.
  • You can land at any one of the following hubs in Bangkok, with Bandaranaike International Airport to Don Mueang International Airport (CMB-DMK) is by far the most common option on this route: Suvarnabhumi Airport (BKK) Don Mueang International Airport (DMK).
  • The time difference between Bangkok and Colombo is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. 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. However, 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.

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