Cheapest airlines flights from Bangkok to Colombo

You can choose from 5 airlines that fly from Bangkok to Colombo, including Thai AirAsia, Srilankan Airlines, and Thai Airways. Thai AirAsia has lowest fares on this route.
Thai AirAsia logo Thai AirAsia
Srilankan Airlines logo Srilankan Airlines
Thai Airways logo Thai Airways
AirAsia Berhad (Malaysia) logo AirAsia Berhad (Malaysia)
Malaysia Airlines logo Malaysia Airlines
Airlines are determined based on actual purchased flight tickets from Bangkok to Colombo according to previous 12 months data from Trip.com.

Search for direct flights from Bangkok to Colombo in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$132, and round-trip direct flights start at US$237.

Displayed flight fares from Bangkok to Colombo are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Bangkok to Colombo Flight Details

The distance between Bangkok and Colombo is about 2,380.36 km. The average flying time from Bangkok to Colombo is around 3 hours 29 minutes. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is October.

Cheapest one-way flight priceUS$107
Cheapest return ticket priceUS$237
Cheapest monthOctober
Peak season for travelJuly
Flight distance2,380.36 km
Average flight time3 hours 29 minutes
Popular airlineThai AirAsia
Flight statistics for the Bangkok–Colombo route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Bangkok to Colombo

Which month has the cheapest one-way flights from Bangkok to Colombo?

The average price of one-way flights from Bangkok to Colombo purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Bangkok to Colombo is Jan, with an average price of US$136; while the month with the highest flight price is usually Feb, with an average price of up to US$183.

US$183
US$160
US$136
US$113
    Cheapest
  • US$183
    Feb
  • US$151
    Mar
  • US$167
    Apr
  • US$156
    May
  • US$163
    Jun
  • US$161
    Jul
  • US$161
    Aug
  • US$161
    Sep
  • US$159
    Oct
  • US$158
    Nov
  • US$148
    Dec
  • US$136
    Jan

Which month has the cheapest round-trip flights from Bangkok to Colombo?

The average price of round-trip flights from Bangkok to Colombo purchased by Trip.com users by month over the past 12 months.

Based on data from Trip.com, the lowest prices for round-trip flights from Bangkok to Colombo are found during Jun, with an average price of US$379. Conversely, the highest prices are found during Mar, with an average price of up to US$462.

US$462
US$421
US$379
US$338
    Cheapest
  • US$436
    Feb
  • US$462
    Mar
  • US$462
    Apr
  • US$390
    May
  • US$379
    Jun
  • US$394
    Jul
  • US$389
    Aug
  • US$379
    Sep
  • US$390
    Oct
  • US$433
    Nov
  • US$422
    Dec
  • US$393
    Jan

What is the cheapest day of the week to fly from Bangkok to Colombo?

Average weekly flight prices from Bangkok to Colombo by travel date (Based on Trip.com’s past 12 months of data)

Based on Trip.com’s past 12 months of flight data, the cheapest day to fly from Bangkok to Colombo is Thu, with average prices lower than on other days. Avoid Sun, as prices are usually highest then.

US$211
US$198
US$185
US$172
    Cheapest
  • US$195
    Mon
  • US$191
    Tue
  • US$193
    Wed
  • US$185
    Thu
  • US$192
    Fri
  • US$196
    Sat
  • US$211
    Sun

Frequently Asked Questions

  • What are the cheapest flights from Bangkok to Colombo (BKK-CMB)?

    Based on Trip.com data, AirAsia Berhad (Malaysia) offers one-way fares as low as US$107 on Cheapest nonstop routes (e.g. DMK to CMB on Thu, Apr 2), while Thai AirAsia offers Cheapest nonstop round-trips from US$237 departing on Thu, Mar 26 and returning on Sat, Mar 28.
  • At the moment, you can catch a nonstop flight from Bangkok to Colombo 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 about 3 hours 29 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 31 flight per week flying from Bangkok to Colombo. You can check the weekly schedule for popular airlines on this route below: Srilankan Airlines: S/M/T/W/T/F/S -- UL405 (14:16) Thai Airways: S/M/T/W/T/F/S -- TG307 (22:05)
  • To find best deals on flights from Bangkok to Colombo, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Apr 2, with one-way flights priced at just US$107.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Thai AirAsia.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Colombo travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Bangkok to Colombo is October, when demand for travel is lower.
  • After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Bangkok to Colombo on February 26, 2026 with AirAsia Berhad (Malaysia), with prices starting at US$100.
  • You can land at any one of the following hubs in Colombo, with Don Mueang International Airport to Bandaranaike International Airport (DMK-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.

Trip.com Airline Insights on Flights from Bangkok to Colombo

Which airline offers the cheapest direct flights from Bangkok to Colombo?

Data is based on the average price of all nonstop flights from Bangkok to Colombo on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Thai AirAsia provides the lowest-priced direct flights from Bangkok to Colombo, with fares starting at US$183.

US$131
US$183
US$235
US$287
US$339
Thai AirAsia
US$183
Thai AirAsia
AirAsia Berhad (Malaysia)
US$189
AirAsia Berhad (Malaysia)
IndiGo
US$193
IndiGo
Srilankan Airlines
US$257
Srilankan Airlines
Thai Airways
US$329
Thai Airways
Air India
US$339
Air India

Which airline operates the most flights from Bangkok to Colombo?

Total flights from Bangkok to Colombo across all airlines. (Based on Trip.com data from the past month)

Based on Trip.com’s data from the past month, Srilankan Airlines operates the most frequent flights from Bangkok to Colombo, with 16 flights per week.

4
8
12
16
Srilankan Airlines
16
Srilankan Airlines
Myanmar Airways International
16
Myanmar Airways International
Finnair
16
Finnair
Qantas Airways
12
Qantas Airways
Thai AirAsia
11
Thai AirAsia
Air Seychelles
8
Air Seychelles

How many flights fly from Bangkok to Colombo daily?

The data is based on the flight numbers for each day of the week from Bangkok to Colombo within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from Bangkok to Colombo is the highest on Friday and the lowest on Monday.

73
65
56
48
Highest
56
Mon
56
Tue
56
Wed
56
Thu
73
Fri
73
Sat
63
Sun