Cheap Flights from Colombo (CMB) to Bangkok (BKK) from HK$1,926~

View HK$1,926 flight on Sun, 7 Sep 2025Opens in a new window

Popular airlines from Bandaranaike Intl. Airport (CMB) to Suvarnabhumi Intl. Airport (BKK)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Find Cheap Flights from Colombo (CMB) to Bangkok (BKK)

Prices were available within the past 7 days and start at HK$1,926 for one-way flights and HK$2,876 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Wed, 8 Oct - Wed, 15 Oct
CMB
Colombo
BKK
Bangkok
HK$2,876 Return, found 1 day ago
HK$2,876
Return
found 1 day ago
Select Singapore Airlines flight, departing Wed, 8 Oct from Colombo to Bangkok, returning Wed, 15 Oct, priced at HK$2,876 found 1 day ago
Air India
Sun, 7 Sep - Thu, 11 Sep
CMB
Colombo
BKK
Bangkok
HK$3,278 Return, found 6 days ago
HK$3,278
Return
found 6 days ago
Select Air India flight, departing Sun, 7 Sep from Colombo to Bangkok, returning Thu, 11 Sep, priced at HK$3,278 found 6 days ago
Thai Airways International
Wed, 8 Oct - Wed, 15 Oct
CMB
Colombo
BKK
Bangkok
HK$3,539 Return, found 1 day ago
HK$3,539
Return
found 1 day ago
Select Thai Airways International flight, departing Wed, 8 Oct from Colombo to Bangkok, returning Wed, 15 Oct, priced at HK$3,539 found 1 day ago
SriLankan Airlines
Mon, 25 Aug - Tue, 2 Sep
CMB
Colombo
BKK
Bangkok
HK$3,572 Return, found 3 days ago
HK$3,572
Return
found 3 days ago
Select SriLankan Airlines flight, departing Mon, 25 Aug from Colombo to Bangkok, returning Tue, 2 Sep, priced at HK$3,572 found 3 days ago
IndiGo
Wed, 8 Oct - Wed, 15 Oct
CMB
Colombo
BKK
Bangkok
HK$3,726 Return, found 1 day ago
HK$3,726
Return
found 1 day ago
Select IndiGo flight, departing Wed, 8 Oct from Colombo to Bangkok, returning Wed, 15 Oct, priced at HK$3,726 found 1 day ago
Malaysia Airlines
Wed, 8 Oct - Wed, 15 Oct
CMB
Colombo
BKK
Bangkok
HK$4,462 Return, found 1 day ago
HK$4,462
Return
found 1 day ago
Select Malaysia Airlines flight, departing Wed, 8 Oct from Colombo to Bangkok, returning Wed, 15 Oct, priced at HK$4,462 found 1 day ago

Find the cheapest month to fly from Colombo (CMB) to Bangkok (BKK)

September is typically the cheapest month to fly

From HK$1,731 - HK$3,320 per traveller.

Graph displaying average flight prices per month

Colombo to Bangkok route information
Origin airport
Bandaranaike Intl.
Destination airport
Don Mueang Intl.
Airlines serving
Air India, IndiGo, Malaysia Airlines, Singapore Airlines, SriLankan Airlines, Thai Airways International
Return price
HK$2,113
Distance
2369 km
Average flight time
5 hours 8 mins

Flights from Seeduwa - Katunayake to Bangkok

Book cheap flights from Seeduwa - Katunayake (CMB) to Bangkok (BKK) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Seeduwa - Katunayake (CMB) to Bangkok (BKK) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Seeduwa - Katunayake (CMB) to Bangkok (BKK) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Bangkok flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Bangkok and things to do in Bangkok for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Bangkok more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Bangkok is HK$1,926 now!

 

Frequently asked questions

How much is a flight from Bandaranaike Intl. Airport (CMB) to BKK?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip flight between Colombo International Airport and Bangkok Airport was HK$2,876. Cheap tickets don't stick around for long, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Colombo International Airport to Suvarnabhumi Intl. Airport (BKK)?
Each air carrier has a different set of terms and conditions. If you decide to cancel your getaway, visit our Customer Service Portal.
How do I find cheap flights from Colombo International Airport to BKK that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Colombo International Airport to Suvarnabhumi Intl. Airport (BKK) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Colombo International Airport to Suvarnabhumi Airport?
Around 2,400 kilometers separates Seeduwa - Katunayake and Bang Phli, so pack something to help you while away a few hours. That juicy novel you haven't had time to finish will be perfect.
Which airlines fly direct from CMB to BKK?
Check out SriLankan Airlines (UL) if you want to travel straight from CMB to Suvarnabhumi Airport. This top airline offers 30 monthly flights, so you're sure to find one that fits your schedule.
Are CMB to BKK flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes pick up a bargain, with some super cheap fares from CMB to Bangkok Airport arising a few weeks prior to the departure date. If you'd rather book ahead, Expedia compares and updates the best flight deals continually — as early as 12 months in advance in some cases. It depends on the carrier though, as not all airlines release prices that far in advance.

Explore a world of travel with Expedia

*Available to Expedia members.