Find Cheap Flights from Colombo to Bangkok – Compare and Save

These are the earliest and latest flight times available from Colombo Bandaranaike Intl Airport to Bangkok:

• Earliest: departs at 00:55 and lands at 04:32
• Latest: departs at 23:15 and lands at 02:52.

The flight takes about 3h 37m.

Only Economy class is available on flights from Colombo Bandaranaike Intl Airport to Bangkok.

A direct flight from Colombo Bandaranaike Intl Airport to Bangkok takes 3h 37m, covering 3,814 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Return flights from Colombo Bandaranaike Intl Airport to Bangkok range from ฿8,754 to ฿14,511, with an average of ฿10,783 over the past 12 months. Anything below ฿8,754 counts as a good deal.

Last-minute fares on this route (booked within 2 weeks of departure) run 19% above the route average of ฿10,783. Book 24 weeks before departure for the lowest fares.

On this route, stopover flights are cheaper than direct options on average. Stopover fares average ฿8,627 return via Kuala Lumpur Intl (KUL), compared with ฿11,264 for direct.

Thai Airways is slightly above the route average for timely arrivals, while ศรีลังกาแอร์ไลน์ has a lower on-time arrival rate. On-time arrival rates on Colombo Bandaranaike Intl Airport to Bangkok flights are:

• Thai Airways: 96% on time
• ศรีลังกาแอร์ไลน์: 91% on time
• แอร์เอเชีย: 83% on time

On average, flights on this route are punctual 90% of the time.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge ฿899–฿3,329 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

Night is the busiest departure period on Colombo Bandaranaike Intl Airport to Bangkok flights, with 75% leaving in that window. Morning departures account for 25%, Afternoon flights for 0%, and Evening flights for 0%.

Since Bangkok is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Bangkok Suvarnabhumi Airport (BKK) – daily rates from around ฿447:

• Drive Car Rental
• Alamo
• Sixt
• Yesaway
• Hertz

Near Bangkok Don Mueang Intl Airport (DMK) – daily rates from around ฿226:

• Drive Car Rental
• Alamo
• Thai Rent
• Enterprise Rent-A-Car
• Chic Car Rent

Flights from Colombo Bandaranaike Intl Airport to Bangkok usually depart from Colombo Bandaranaike Intl (CMB) and may arrive at several airports in Bangkok area, including Bangkok Suvarnabhumi (BKK) and Bangkok Don Mueang Intl (DMK).

Night flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Colombo Bandaranaike Intl Airport to Bangkok route, 10% of flights were delayed in the past 3 months, with delays averaging 1 hour 52 minutes.

One-stop flights from Colombo Bandaranaike Intl Airport to Bangkok most commonly connect through:

• Kuala Lumpur Intl (KUL) – 83% of one-stop connections
• Singapore Changi (SIN) – 8% of one-stop connections
• Ho Chi Minh City (SGN) – 3% of one-stop connections
• New Delhi Indira Gandhi Intl (DEL) – 2% of one-stop connections

Kuala Lumpur Intl (KUL) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 11% on the Colombo Bandaranaike Intl Airport to Bangkok route. Wednesday is the cheapest departure day at ฿11,154 return on average, while Saturday is the most expensive at ฿12,485, a difference of ฿1,332. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

3 airlines operate flights between Colombo Bandaranaike Intl Airport and Bangkok. The airlines offering direct flights on this route include:

• ศรีลังกาแอร์ไลน์
• Thai Airways
• Thai AirAsia

Flying via Kuala Lumpur Intl (KUL) gives the shortest average 1-stop total travel time of 8h 59m, compared to 10h 57m via Bengaluru Intl (BLR) and 11h 20m via Singapore Changi (SIN).

Bangkok is 1 hour ahead of Colombo Bandaranaike Intl Airport (Indochina Time vs India Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Bangkok are Victory Monument, Siam Square, and Rajamangala National Stadium. These are among the most viewed places in Bangkok on KAYAK.

Among airlines operating Colombo Bandaranaike Intl Airport to Bangkok flights:

• Thai AirAsia: offers free seat selection
• Thai Airways: offers free seat selection
• ศรีลังกาแอร์ไลน์: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• Thai AirAsia: a cabin bag and a checked bag in Economy class
• Thai Airways: a cabin bag and a checked bag in Economy class
• ศรีลังกาแอร์ไลน์: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.