Find Thai AirAsia (FD) flights from Bangkok to Colombo

At the moment, you can catch a nonstop flight from Bangkok to Colombo with the following airlines, including: Thai Airways Srilankan Airlines Thai AirAsia Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

It takes about 3 hours 24 minutes to fly from Bangkok to Colombo.

By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Bangkok to Colombo 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 Bangkok to Colombo. You can check the weekly schedule for popular airlines on this route below: Thai Airways: S/M/T/W/T/F/S -- TG307 (22:08) Srilankan Airlines: S/M/T/W/T/F/S -- UL405 (14:27)

The cheapest months to fly from Bangkok to Colombo is October, when demand for travel is lower.

After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Bangkok to Colombo on July 18, 2026 with Thai AirAsia, with prices starting at US$162.

You can land at any one of the following hubs in Colombo, with Suvarnabhumi Airport to Bandaranaike International Airport (BKK-CMB) is by far the most common option on this route: Bandaranaike International Airport (CMB).

The time difference between Colombo and Bangkok 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.