C$ 289 Find Cheap Flights from Colombo to Bangkok – Compare and Save

Among airlines operating Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport flights:

• Thai Airways: offers free seat selection
• SriLankan Airlines: offers free seat selection

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

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

• SriLankan Airlines
• Thai Airways

Flights from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport usually depart from Colombo Bandaranaike Intl (CMB) and arrive at Bangkok Suvarnabhumi (BKK).

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

• Thai Airways: a carry-on bag and a checked bag in Economy Class
• SriLankan Airlines: a carry-on 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.

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

On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 501 round-trip via Ho Chi Minh City (SGN), compared to C$ 635 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 74–C$ 90 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

The Airbus A320-100/200 family is used most often on this route, operated mainly by Thai Airways and SriLankan Airlines. Other aircraft seen on the route include Airbus A321 (sharklets) variants.

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

• Singapore Changi (SIN) – 39% of one-stop connections
• Kuala Lumpur Intl (KUL) – 17% of one-stop connections
• Ho Chi Minh City (SGN) – 13% of one-stop connections
• New Delhi Indira Gandhi Intl (DEL) – 11% of one-stop connections

Singapore Changi (SIN) 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 Suvarnabhumi Airport route. Thursday is the cheapest departure day at C$ 593 round-trip on average, while Wednesday is the most expensive at C$ 661, a difference of C$ 68. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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 Suvarnabhumi Airport route, 8% of flights were delayed in the past 3 months, with delays averaging 1 hour 58 minutes.

Night is the busiest departure period on Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport flights, with 66% leaving in that window. Morning departures account for 34%, Afternoon flights for 0%, and Evening flights for 0%.

Some of the most popular sights in Bangkok Suvarnabhumi Airport are Pratunam, Terminal 21, and Thailand Cultural Center. These are among the most viewed places in Bangkok Suvarnabhumi Airport on KAYAK.

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

• Earliest: departs at 12:55 am and lands at 4:34 am
• Latest: departs at 7:35 am and lands at 11:14 am.

The flight takes about 3h 39m.

Last-minute fares on this route – booked within 2 weeks of departure – run 3% above the route average of C$ 622. Book 20 weeks before departure for the lowest fares.

A direct flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport takes 3h 39m, covering 3,847 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.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 511 to C$ 3,958. That means the highest observed fare was about 8x higher than the lowest one.

One-way fares from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport are currently lower than usual. Average one-way flight prices are about C$ 312, which is 29% below the typical average for this route.

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.

Flying via Kuala Lumpur Intl (KUL) gives the shortest average 1-stop total travel time at 9h 45m, compared with 10h 57m via Bengaluru Intl (BLR) and 11h 20m via Singapore Changi (SIN).

Bangkok Suvarnabhumi Airport 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.

Bangkok Suvarnabhumi Airport (BKK) hosts 5 major car rental companies, with daily rates starting from around C$ 19 for economy cars. Top options include:
• Drive Car Rental
• Alamo
• Sixt
• Yesaway
• Hertz

Round-trip flights from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport range from C$ 556 to C$ 698, with an average of C$ 622 over the past 12 months. Anything below C$ 556 counts as a good deal.