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Cheap flights from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport from £125

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 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — BKK
24 Aug — 31 Aug1
1 adult

Cheapflights Tip: The best prices from Colombo Bandaranaike Intl to Bangkok Suvarnabhumi are usually found in October or November, booked 80 days in advance, depart on a Friday or Monday and return on a Tuesday

Cheap 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 19 August 2025.

Round-trip from

£230

One-way from

£125

Popular in

April

Cheapest in

October

Average price

£213

Good round-trip deal

£293 or less

Good one-way deal

£224 or less
Singapore Airlines
  • Singapore Airlines
  • 29/9-7/10
  • 2 total stops
  • 45h 35m total
  • Colombo to Bangkok
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20/9
  • 20/9
  • 2 total stops
  • 15h 40m total
  • Colombo to Bangkok
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Highest demand for flights based on searches. 4% potential increase in price (£7 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£4 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Colombo Bandaranaike Intl to Bangkok Suvarnabhumi.
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Price to beat on a one-way flight from Colombo Bandaranaike Intl to Bangkok Suvarnabhumi.
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Find flight deals from Colombo to Suvarnabhumi

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 19 August 2025.

Tue 26/803:30CMB - BKK
1 stop28h 05mIndiGo
Mon 1/910:05BKK - CMB
1 stop9h 55mIndiGo
Deal found 17/8£218
Mon 29/900:50CMB - BKK
1 stop16h 40mSingapore Airlines
Tue 7/1020:10BKK - CMB
1 stop28h 55mSingapore Airlines
Deal found 17/8£230
Tue 26/803:30CMB - BKK
1 stop28h 05mMultiple Airlines
Mon 1/909:05BKK - CMB
2 stops18h 55mMultiple Airlines
Deal found 17/8£232
Wed 27/803:30CMB - BKK
1 stop28h 05mIndiGo
Mon 1/910:05BKK - CMB
1 stop17h 55mIndiGo
Deal found 19/8£233
Wed 1/1022:55CMB - BKK
2 stops15h 55mMultiple Airlines
Wed 8/1007:55BKK - CMB
2 stops15h 30mMultiple Airlines
Deal found 17/8£236
Thu 28/803:30CMB - BKK
1 stop28h 05mIndiGo
Tue 2/910:05BKK - CMB
1 stop28h 15mIndiGo
Deal found 19/8£243
Fri 26/900:05CMB - BKK
1 stop11h 50mMalaysia Airlines
Thu 5/217:05BKK - CMB
1 stop8h 00mMalaysia Airlines
Deal found 17/8£254
Sat 27/908:20CMB - BKK
1 stop10h 35mMultiple Airlines
Thu 5/213:05BKK - CMB
1 stop8h 20mMultiple Airlines
Deal found 17/8£255
Thu 28/814:40CMB - BKK
1 stop17h 15mMultiple Airlines
Mon 1/912:50BKK - CMB
2 stops15h 10mMultiple Airlines
Deal found 19/8£262

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 19 August 2025.
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

Colombo

Fly to

Suvarnabhumi

Route

Depart

Return

Price

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Mon 29/9

00:50-19:00

1 stop16h 40m

Bangkok Suvarnabhumi

Tue 7/10

20:10-23:35

1 stop28h 55m

£230

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Wed 1/10

22:55-16:20

2 stops15h 55m

Bangkok Suvarnabhumi

Wed 8/10

07:55-21:55

2 stops15h 30m

£236

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Fri 26/9

00:05-13:25

1 stop11h 50m

Bangkok Suvarnabhumi

Thu 5/2

17:05-23:35

1 stop8h 00m

£254

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sat 27/9

08:20-20:25

1 stop10h 35m

Bangkok Suvarnabhumi

Thu 5/2

13:05-19:55

1 stop8h 20m

£255

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Tue 30/9

00:50-20:00

1 stop17h 40m

Bangkok Suvarnabhumi

Wed 8/10

15:30-23:35

1 stop9h 35m

£263

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sun 19/10

00:50-19:00

1 stop16h 40m

Bangkok Suvarnabhumi

Mon 27/10

09:35-23:30

1 stop15h 25m

£263

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sat 20/9

22:55-16:05

2 stops15h 40m

£125

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Tue 9/9

19:30-09:05

1 stop12h 05m

£126

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Fri 19/9

03:30-09:05

1 stop28h 05m

£126

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sat 27/9

22:55-11:50

2 stops11h 25m

£126

Flights are sorted by cheapest return flights first.

Deals found on 17/8

Showing 1-10 of 14 results
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 8 August 2025.

Booking 80 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, May is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport (average of £717). Flying from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of £1,123). 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 19 August 2025.

It’s optimal to fly from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport at midday. By choosing this option you can save up to 73% on the cost of your flight, compared to a flight in the afternoon.

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 19 August 2025.
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.
Singapore Airlines
8.1
Very Good
1,347 reviews
Check prices

Comfort

8.0

Food

7.7

Overall

8.1

Boarding

8.2

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Singapore Airlines
8.1
Very Good
1,347 reviews
Singapore Airlines
8.1
Very Good
1,347 reviews
Check prices

Comfort

8.0

Food

7.7

Overall

8.1

Boarding

8.2

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Thai Airways
7.8
Good
344 reviews
Singapore Airlines
8.1
Very Good
1,347 reviews
Check prices

Comfort

8.0

Food

7.7

Overall

8.1

Boarding

8.2

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
Thai AirAsia
7.5
Good
216 reviews
Singapore Airlines
8.1
Very Good
1,347 reviews
Check prices

Comfort

8.0

Food

7.7

Overall

8.1

Boarding

8.2

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles
SriLankan Airlines
6.8
Okay
75 reviews
Singapore Airlines
8.1
Very Good
1,347 reviews
Check prices

Comfort

8.0

Food

7.7

Overall

8.1

Boarding

8.2

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Gina,Dec 2024

BLR - SIN

Overall the experience was good. First flight of 17 hours had no entertainment since Singapore airline has technical issues. Was informed that passengers would get a $350 voucher for future flight. Uncertain how that is being distributed but would like to understand if an email is required from my end or if it is an automatic email sent to me by Singapore Airlines. -Gina Robles

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 11h 50m. 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, SriLankan Airlines (£120), Thai AirAsia (£167), and Singapore Airlines (£206) offers the cheapest pricing from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport. Users have found that SriLankan Airlines is 45% cheaper than the other options available to this destination.

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

    Consider Thai Airways (97%), Asiana Airlines (97%) or Japan Airlines (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 £281 for a flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport. The cheapest flight overall is £222 while the most popular route, (Colombo Bandaranaike Intl - Bangkok Suvarnabhumi) is currently priced at £204.

  • 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, May is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport (average of £717). Flying from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of £1,123). 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
Chonburi
Ayutthaya
Ko Samet
Ko Lan

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Colombo to Suvarnabhumi

Discover the top 4 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 19 August 2025.
AirlineCheapestAverageFlexibilityOn-time
SriLankan AirlinesCheapest£120Average£346FlexibilityNo cancel feeOn-time68%
Search SriLankan Airlines flights
Thai AirAsiaCheapest£167Average£207FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Singapore AirlinesCheapest£206Average£248FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Thai AirwaysCheapest£215Average£317FlexibilityNo 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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