Cheap flights from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport from £140

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — BKK
13 May — 20 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Colombo Bandaranaike Intl to Bangkok Suvarnabhumi are usually found in March or October, booked 90 days in advance, depart on a Sunday or Saturday and return on a Tuesday

Cheap flight deals from Colombo to Suvarnabhumi

Enter your travel dates to find the best prices.

Cheapest flights from Colombo to Suvarnabhumi
Explore the most affordable flight options available from Colombo to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 April 2026.

Fri 22/500:50
CMB
-
BKK
1 stop17h 40m
Singapore Airlines
Fri 29/512:15
BKK
-
CMB
1 stop12h 50m
Singapore Airlines
Deal found 9/4£259
Mon 8/600:50
CMB
-
BKK
1 stop14h 55m
Singapore Airlines
Wed 17/613:35
BKK
-
CMB
1 stop11h 30m
Singapore Airlines
Deal found 13/4£259
Sat 16/500:50
CMB
-
BKK
1 stop16h 40m
Singapore Airlines
Mon 25/512:15
BKK
-
CMB
1 stop12h 50m
Singapore Airlines
Deal found 11/4£260
Mon 18/500:50
CMB
-
BKK
1 stop16h 40m
Singapore Airlines
Sat 23/513:35
BKK
-
CMB
1 stop11h 30m
Singapore Airlines
Deal found 9/4£261
Mon 11/500:50
CMB
-
BKK
1 stop11h 55m
Singapore Airlines
Fri 15/509:20
BKK
-
CMB
1 stop15h 45m
Singapore Airlines
Deal found 10/4£262
Wed 3/600:50
CMB
-
BKK
1 stop17h 40m
Singapore Airlines
Mon 8/612:15
BKK
-
CMB
1 stop12h 50m
Singapore Airlines
Deal found 9/4£262
Wed 14/1000:50
CMB
-
BKK
1 stop16h 40m
Singapore Airlines
Tue 20/1021:15
BKK
-
CMB
1 stop15h 00m
Singapore Airlines
Deal found 9/4£268
Thu 25/600:50
CMB
-
BKK
1 stop14h 55m
Singapore Airlines
Wed 8/712:15
BKK
-
CMB
1 stop12h 50m
Singapore Airlines
Deal found 13/4£268
Thu 16/700:50
CMB
-
BKK
1 stop14h 55m
Singapore Airlines
Sat 25/713:35
BKK
-
CMB
1 stop11h 30m
Singapore Airlines
Deal found 12/4£269
Sun 21/611:20
CMB
-
BKK
1 stop10h 15m
Malaysia Airlines
Tue 7/719:45
BKK
-
CMB
1 stop15h 50m
Malaysia Airlines
Deal found 12/4£274
Fri 10/711:20
CMB
-
BKK
1 stop10h 15m
Malaysia Airlines
Sat 18/718:40
BKK
-
CMB
1 stop16h 55m
Malaysia Airlines
Deal found 9/4£275
Sun 21/600:50
CMB
-
BKK
1 stop17h 40m
Singapore Airlines
Fri 26/609:20
BKK
-
CMB
1 stop15h 45m
Singapore Airlines
Deal found 11/4£279

Find flight deals from Colombo to Suvarnabhumi

Discover tips and strategies to find the most affordable flight options for your journey from Colombo (CMB) to Suvarnabhumi (BKK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 April 2026.

Round-trip from

£259

One-way from

£140

Popular in

April

Cheapest in

March

Average price

£262

Good one-way deal

£409 or less
Singapore Airlines
  • Singapore Airlines
  • 7/6-15/6
  • 2 total stops
  • 33h 25m total
  • Colombo to Bangkok
22/9
  • 22/9
  • 2 total stops
  • 11h 20m total
  • Colombo to Bangkok
Highest demand for flights based on searches. 1% potential increase in price (£2 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£4 potential savings vs. average return price).
Average for round-trip flights in April 2026
Price to beat on a one-way flight from Colombo Bandaranaike Intl to Bangkok Suvarnabhumi.

Cheapflights Fare Finder

 
Customise your flight search to find flights from Colombo to Suvarnabhumi that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 April 2026.
Use the filters below to find and compare flights from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Fri 22/5

00:50-20:00

1 stop17h 40m

Bangkok Suvarnabhumi

Sat 13/6

09:20-23:35

1 stop15h 45m

£259

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Wed 3/6

00:50-20:00

1 stop17h 40m

Bangkok Suvarnabhumi

Mon 8/6

12:15-23:35

1 stop12h 50m

£262
Fastest return journey

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sun 21/6

11:20-23:05

1 stop10h 15m

Bangkok Suvarnabhumi

Tue 7/7

19:45-10:05

1 stop15h 50m

£274

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sat 30/5

00:50-19:00

1 stop16h 40m

Bangkok Suvarnabhumi

Wed 3/6

12:15-23:35

1 stop12h 50m

£299

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sun 12/7

00:05-16:20

1 stop14h 45m

Bangkok Suvarnabhumi

Wed 15/7

11:05-22:55

1 stop13h 20m

£394

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Wed 22/4

00:50-17:15

1 stop14h 55m

Bangkok Suvarnabhumi

Thu 30/4

12:15-23:35

1 stop12h 50m

£454

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Mon 7/9

22:10-12:20

1 stop12h 40m

Bangkok Suvarnabhumi

Fri 11/9

19:15-18:20

2 stops24h 35m

£501

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Thu 4/6

22:10-22:15

1 stop22h 35m

Bangkok Suvarnabhumi

Mon 8/6

15:55-19:00

3 stops28h 35m

£511

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sun 7/6

20:30-19:50

2 stops45h 50m

Bangkok Suvarnabhumi

Wed 10/6

02:35-21:10

2 stops20h 05m

£570

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Thu 2/7

20:30-22:15

3 stops24h 15m

Bangkok Suvarnabhumi

Mon 6/7

15:55-21:10

1 stop30h 45m

£572

Flights are sorted by cheapest return flights first.

Deals found on 12/4

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Best time to book a flight from Colombo to Suvarnabhumi

Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi from Colombo with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport

How far ahead should I book a flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport?

Use this chart to determine the optimal time to book a return flight from Colombo to Suvarnabhumi. Price data was last updated on 10 April 2026.

Booking 90 days in advance of your planned departure date is, on average, the best time to get cheap flights from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport?

Currently, March is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport (average of £94). Flying from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport in February is currently the most expensive (average of £171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CMB to BKK?

Find hourly flight availability from Colombo to Suvarnabhumi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 April 2026.

When flying from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport?

Reviews of airlines servicing Suvarnabhumi

Get insights into the airlines that provide service to Suvarnabhumi. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Suvarnabhumi. Reviews last updated 13 April 2026.
Check out reviews from past customers who have flown with Singapore Airlines,Thai Airways, andThai AirAsia from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.6

Entertainment

8.0

Boarding

8.3

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

Crew

8.6

Entertainment

8.0

Boarding

8.3

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

Crew

8.6

Entertainment

8.0

Boarding

8.3

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

Crew

8.6

Entertainment

8.0

Boarding

8.3

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

Crew

8.6

Entertainment

8.0

Boarding

8.3

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

Crew

8.6

Entertainment

8.0

Boarding

8.3

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Wee Keng,Dec 2025

HKG - SIN

Quick 3 hour flight with excellent service from the crew despite it being Christmas Day holiday. Ground crew passed out Xmas cookies as well. Great experience.

Related info for your journey

Find useful and relevant information for your journey from Colombo to Suvarnabhumi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport?

    There are many flights that can get you from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport in 10h 15m. Fly via Singapore Airlines or Malaysia Airlines to get the fastest option. The distance from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport is about 1486 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport round-trip?

    According to our current data, AirAsia (£80), SriLankan Airlines (£120), and Thai AirAsia (£173) offers the cheapest pricing from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport. Users have found that AirAsia is 63% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport one-way?

    To fly one-way, consider booking your trip with AirAsia, which is currently one of the cheapest options available, starting at £95. Thai AirAsia flights start at £96 while deals on IndiGo start at £121 one-way.

  • What are the most reliable airlines from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport?

    Consider Finnair (94%), Japan Airlines (93%) or Qantas Airways (92%) when booking your flight. These represent the most reliable airlines when flying from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport.

  • What are the cheapest flights from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport?

    On average you can expect to pay £443 for a flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport. The cheapest flight overall is £275 while the most popular route, (Colombo Bandaranaike Intl - Bangkok Suvarnabhumi) is currently priced at £352.

  • Can I find deals for flights from Colombo to Suvarnabhumi that include hotel bookings?

    Yes. In addition to deals on Colombo to Suvarnabhumi flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Colombo to Suvarnabhumi?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colombo to Suvarnabhumi.

  • Can I find deals for business class flights from Colombo to Suvarnabhumi?

    Yes. Cheapflights offers flight deals from Colombo to Suvarnabhumi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport?

    Currently, March is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport (average of £94). Flying from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport in February is currently the most expensive (average of £171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Cha-am
Kanchanaburi
Pak Chong
Chonburi
Ayutthaya
Ko Samet
Sattahip
Ko Lan

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Top 5 airlines flying from Colombo to Suvarnabhumi

Discover the top 5 airlines that operate flights from Colombo to Suvarnabhumi. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 13 April 2026.
AirlineCheapestAverageFlexibilityOn-time
AirAsiaCheapest£80Average£171FlexibilityNo cancel feeOn-time66%
Search AirAsia flights
SriLankan AirlinesCheapest£120Average£292FlexibilityNo cancel feeOn-time68%
Search SriLankan Airlines flights
Thai AirAsiaCheapest£173Average£213FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Singapore AirlinesCheapest£207Average£229FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Thai AirwaysCheapest£285Average£304FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Colombo to Suvarnabhumi?

Cheapflights helps you search for flights from Colombo to Suvarnabhumi via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Colombo to Suvarnabhumi?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Suvarnabhumi from Colombo.

Can Cheapflights find flights from Colombo to Suvarnabhumi with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Colombo to Suvarnabhumi, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Colombo to Suvarnabhumi become cheaper?

Yes, Cheapflights offers price alerts on Colombo to Suvarnabhumi flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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