Cheap flights from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport from £149

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — BKK
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Colombo Bandaranaike Intl to Bangkok Suvarnabhumi are usually found in October or November, booked 67 days in advance, depart on a Tuesday or Thursday and return on a Saturday

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 12 December 2025.

Tue 30/1200:40CMB - BKK
1 stop11h 15mMalaysia Airlines
Wed 7/111:05BKK - CMB
1 stop14h 00mMalaysia Airlines
Deal found 10/12£281
Sun 21/1210:25CMB - BKK
2 stops11h 50mMultiple Airlines
Thu 1/108:30BKK - CMB
2 stops14h 50mMultiple Airlines
Deal found 12/12£282
Tue 30/1200:40CMB - BKK
1 stop12h 00mMalaysia Airlines
Thu 1/120:05BKK - CMB
1 stop28h 00mMalaysia Airlines
Deal found 10/12£288
Mon 29/1200:40CMB - BKK
1 stop11h 15mMalaysia Airlines
Wed 7/111:05BKK - CMB
1 stop14h 00mMalaysia Airlines
Deal found 10/12£296
Tue 30/1216:00CMB - BKK
1 stop20h 05mMultiple Airlines
Fri 2/102:10BKK - CMB
Nonstop3h 30mMultiple Airlines
Deal found 12/12£303
Sat 20/1223:35CMB - BKK
1 stop15h 00mMalaysia Airlines
Fri 26/1208:45BKK - CMB
1 stop15h 20mMalaysia Airlines
Deal found 10/12£308
Mon 29/1200:40CMB - BKK
1 stop13h 55mMalaysia Airlines
Tue 6/111:05BKK - CMB
1 stop14h 00mMalaysia Airlines
Deal found 10/12£311
Thu 25/1207:30CMB - BKK
Nonstop3h 35mSriLankan Airlines
Thu 1/109:00BKK - CMB
Nonstop3h 30mSriLankan Airlines
Deal found 12/12£312
Wed 17/1200:40CMB - BKK
1 stop8h 05mMalaysia Airlines
Fri 26/1214:15BKK - CMB
1 stop9h 50mMalaysia Airlines
Deal found 11/12£320
Sat 20/1200:40CMB - BKK
1 stop8h 05mMalaysia Airlines
Thu 1/108:45BKK - CMB
1 stop16h 20mMalaysia Airlines
Deal found 12/12£320
Thu 25/1210:25CMB - BKK
2 stops11h 50mMultiple Airlines
Thu 1/107:50BKK - CMB
2 stops15h 30mMultiple Airlines
Deal found 12/12£329

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 12 December 2025.

Round-trip from

£232

One-way from

£149

Popular in

April

Cheapest in

October

Average price

£255

Good one-way deal

£245 or less
Singapore Airlines
  • Singapore Airlines
  • 3/3-11/3
  • 2 total stops
  • 29h 30m total
  • Colombo to Bangkok
Malaysia Airlines
  • Malaysia Airlines
  • 9/1
  • 1 total stop
  • 15h 00m total
  • Colombo to Bangkok
Highest demand for flights based on searches. 4% potential increase in price (£7 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 December 2025
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 12 December 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 9/3

00:45-18:45

1 stop16h 30m

Bangkok Suvarnabhumi

Tue 17/3

12:00-23:30

1 stop13h 00m

£232

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Mon 8/6

00:50-19:00

1 stop16h 40m

Bangkok Suvarnabhumi

Wed 17/6

09:20-23:35

1 stop15h 45m

£236

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Fri 9/1

23:35-16:05

1 stop15h 00m

Bangkok Suvarnabhumi

Thu 22/1

17:05-23:35

1 stop8h 00m

£253

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Wed 31/12

00:40-10:15

1 stop8h 05m

Bangkok Suvarnabhumi

Mon 12/1

11:05-23:35

1 stop14h 00m

£256

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Mon 2/3

00:45-20:00

1 stop17h 45m

Bangkok Suvarnabhumi

Thu 12/3

21:10-23:30

1 stop27h 50m

£266

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Fri 16/1

00:40-19:20

1 stop17h 10m

Bangkok Suvarnabhumi

Mon 19/1

11:05-23:35

1 stop14h 00m

£268

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sat 3/1

23:35-17:40

1 stop16h 35m

Bangkok Suvarnabhumi

Thu 22/1

14:15-23:35

1 stop10h 50m

£268

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sat 3/1

23:35-17:40

1 stop16h 35m

Bangkok Suvarnabhumi

Wed 21/1

17:05-23:35

1 stop8h 00m

£268

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sat 17/1

00:40-13:25

1 stop11h 15m

Bangkok Suvarnabhumi

Thu 22/1

11:05-23:35

1 stop14h 00m

£281

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sat 3/1

23:35-14:10

1 stop13h 05m

Bangkok Suvarnabhumi

Fri 23/1

11:05-23:35

1 stop14h 00m

£284

Flights are sorted by cheapest return flights first.

Deals found on 9/12

Showing 1-10 of 21 results
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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 5 December 2025.

Booking 67 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 £119). Flying from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport in February is currently the most expensive (average of £187). 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 12 December 2025.

It’s optimal to fly from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport in the afternoon. By choosing this option you can save up to 68% on the cost of your flight, compared to a flight at midday.

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 12 December 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.

Food

7.8

Boarding

8.3

Entertainment

8.0

Overall

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

Food

7.8

Boarding

8.3

Entertainment

8.0

Overall

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

Food

7.8

Boarding

8.3

Entertainment

8.0

Overall

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

Food

7.8

Boarding

8.3

Entertainment

8.0

Overall

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

Food

7.8

Boarding

8.3

Entertainment

8.0

Overall

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

Food

7.8

Boarding

8.3

Entertainment

8.0

Overall

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

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 15h. 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 (£121), AirAsia (£128), and Thai Airways (£147) offers the cheapest pricing from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport. Users have found that SriLankan Airlines is 46% 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 Thai AirAsia, which is currently one of the cheapest options available, starting at £99. AirAsia flights start at £100 while deals on IndiGo start at £136 one-way.

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

    Consider Air Canada (93%), Thai Airways (93%) or Asiana Airlines (93%) 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 £355 for a flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport. The cheapest flight overall is £239 while the most popular route, (Colombo Bandaranaike Intl - Bangkok Suvarnabhumi) is currently priced at £181.

  • 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 £119). Flying from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport in February is currently the most expensive (average of £187). 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
Chonburi
Pak Chong
Ayutthaya
Ko Samet
Sattahip
Ko Lan

Browse thousands of different options on Cheapflights for your next trip

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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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
SriLankan AirlinesCheapest£122Average£365FlexibilityNo cancel feeOn-time68%
Search SriLankan Airlines flights
AirAsiaCheapest£170Average£172FlexibilityNo cancel feeOn-time66%
Search AirAsia flights
Thai AirAsiaCheapest£193Average£214FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Singapore AirlinesCheapest£208Average£250FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Thai AirwaysCheapest£237Average£305FlexibilityNo 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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