Cheap flights from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport from £121

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 27/2. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — BKK
27 Feb — 6 Mar1
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 90 days in advance, depart on a Sunday or Tuesday 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 28 January 2026.

Thu 5/300:45
CMB
-
BKK
1 stop17h 45m
Singapore Airlines
Wed 11/320:00
BKK
-
CMB
1 stop16h 15m
Singapore Airlines
Deal found 26/1£219
Mon 8/600:50
CMB
-
BKK
1 stop17h 40m
Singapore Airlines
Wed 17/620:15
BKK
-
CMB
1 stop16h 00m
Singapore Airlines
Deal found 26/1£223
Mon 4/500:50
CMB
-
BKK
1 stop16h 40m
Singapore Airlines
Tue 12/520:15
BKK
-
CMB
1 stop16h 00m
Singapore Airlines
Deal found 27/1£224
Sat 13/600:50
CMB
-
BKK
1 stop16h 40m
Singapore Airlines
Fri 19/609:20
BKK
-
CMB
1 stop15h 45m
Singapore Airlines
Deal found 25/1£224
Sat 24/1000:50
CMB
-
BKK
1 stop17h 40m
Singapore Airlines
Sat 31/1020:00
BKK
-
CMB
1 stop16h 15m
Singapore Airlines
Deal found 26/1£230
Mon 19/1000:50
CMB
-
BKK
1 stop17h 40m
Singapore Airlines
Mon 26/1020:00
BKK
-
CMB
1 stop16h 15m
Singapore Airlines
Deal found 27/1£231
Mon 4/500:50
CMB
-
BKK
1 stop17h 40m
Singapore Airlines
Tue 30/620:15
BKK
-
CMB
1 stop16h 00m
Singapore Airlines
Deal found 26/1£232
Mon 9/300:45
CMB
-
BKK
1 stop14h 45m
Singapore Airlines
Tue 17/312:00
BKK
-
CMB
1 stop13h 00m
Singapore Airlines
Deal found 26/1£239
Mon 20/400:50
CMB
-
BKK
1 stop16h 40m
Singapore Airlines
Sat 2/520:15
BKK
-
CMB
1 stop16h 00m
Singapore Airlines
Deal found 26/1£242
Fri 27/300:40
CMB
-
BKK
1 stop8h 05m
Malaysia Airlines
Wed 8/417:15
BKK
-
CMB
1 stop7h 10m
Malaysia Airlines
Deal found 27/1£244

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 28 January 2026.

Round-trip from

£219

One-way from

£121

Popular in

April

Cheapest in

October

Average price

£219

Good round-trip deal

£364 or less
Singapore Airlines
  • Singapore Airlines
  • 5/3-11/3
  • 2 total stops
  • 34h 00m total
  • Colombo to Bangkok
27/2
  • 27/2
  • 2 total stops
  • 11h 50m 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. 2% potential price decrease (£4 potential savings vs. average return price).
Average for round-trip flights in January 2026
Price to beat on a round-trip 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 28 January 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

Colombo

Fly to

Suvarnabhumi

Route

Depart

Return

Price

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Thu 14/5

00:50-20:00

1 stop17h 40m

Bangkok Suvarnabhumi

Thu 21/5

09:20-23:35

1 stop15h 45m

£223

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Mon 11/5

00:50-19:00

1 stop16h 40m

Bangkok Suvarnabhumi

Sat 16/5

09:20-23:35

1 stop15h 45m

£223

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Wed 8/7

00:50-19:00

1 stop16h 40m

Bangkok Suvarnabhumi

Fri 17/7

21:15-10:45

1 stop15h 00m

£223

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Mon 8/6

00:50-20:00

1 stop17h 40m

Bangkok Suvarnabhumi

Wed 17/6

09:20-23:35

1 stop15h 45m

£223

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Mon 9/3

00:45-17:00

1 stop14h 45m

Bangkok Suvarnabhumi

Tue 17/3

12:00-23:30

1 stop13h 00m

£239

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Mon 13/4

00:50-20:00

1 stop17h 40m

Bangkok Suvarnabhumi

Sat 18/4

20:15-10:45

1 stop16h 00m

£240

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Mon 20/7

11:45-21:55

1 stop8h 40m

Bangkok Suvarnabhumi

Sun 26/7

20:35-10:45

1 stop15h 40m

£240

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Mon 20/4

00:50-20:00

1 stop17h 40m

Bangkok Suvarnabhumi

Tue 28/4

09:20-23:35

1 stop15h 45m

£242

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Mon 20/4

00:50-19:00

1 stop16h 40m

Bangkok Suvarnabhumi

Sat 2/5

20:15-10:45

1 stop16h 00m

£242

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Mon 27/4

00:05-13:25

1 stop11h 50m

£131

Flights are sorted by cheapest return flights first.

Deals found on 26/1

Showing 1-10 of 17 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 23 January 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, May is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport (average of £116). Flying from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport in February is currently the most expensive (average of £172). 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 28 January 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 28 January 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.

Entertainment

8.0

Crew

8.6

Food

7.8

Overall

8.2

Comfort

8.0

Boarding

8.3

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.

Entertainment

8.0

Crew

8.6

Food

7.8

Overall

8.2

Comfort

8.0

Boarding

8.3

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.

Entertainment

8.0

Crew

8.6

Food

7.8

Overall

8.2

Comfort

8.0

Boarding

8.3

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.

Entertainment

8.0

Crew

8.6

Food

7.8

Overall

8.2

Comfort

8.0

Boarding

8.3

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.

Entertainment

8.0

Crew

8.6

Food

7.8

Overall

8.2

Comfort

8.0

Boarding

8.3

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.

Entertainment

8.0

Crew

8.6

Food

7.8

Overall

8.2

Comfort

8.0

Boarding

8.3

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 17h 40m. Fly via Singapore Airlines to get the fastest option. The distance from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport is about 1486 mi.

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

    According to our current data, SriLankan Airlines (£118), AirAsia (£125), and Thai AirAsia (£172) 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 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 £95. AirAsia flights start at £97 while deals on IndiGo start at £132 one-way.

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

    Consider Air Canada (89%), Thai Airways (89%) or Asiana Airlines (89%) 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 £770 for a flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport. The cheapest flight overall is £251 while the most popular route, (Colombo Bandaranaike Intl - Bangkok Suvarnabhumi) is currently priced at £176.

  • 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 £116). Flying from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport in February is currently the most expensive (average of £172). 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
Ko Samet
Pak Chong
Ayutthaya
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 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
SriLankan AirlinesCheapest£118Average£331FlexibilityNo cancel feeOn-time68%
Search SriLankan Airlines flights
AirAsiaCheapest£125Average£168FlexibilityNo cancel feeOn-time66%
Search AirAsia flights
Thai AirAsiaCheapest£172Average£209FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Singapore AirlinesCheapest£203Average£224FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Thai AirwaysCheapest£230Average£298FlexibilityNo 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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