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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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — BKK
16 Jul — 23 Jul1
1 adult

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

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 11 July 2025.

Round-trip from

£213

One-way from

£121

Popular in

April

Cheapest in

August

Average price

£202

Good round-trip deal

£293 or less

Good one-way deal

£224 or less
Singapore Airlines
  • Singapore Airlines
  • 5/10-13/10
  • 2 total stops
  • 45h 35m total
  • Colombo to Bangkok
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6/9
  • 6/9
  • 2 total stops
  • 15h 40m total
  • Colombo to Bangkok
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Highest demand for flights based on searches. 5% potential increase in price (£9 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in July 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 11 July 2025.

Sun 5/1000:50CMB - BKK
1 stop16h 40mSingapore Airlines
Mon 13/1020:10BKK - CMB
1 stop28h 55mSingapore Airlines
Deal found 10/7£213
Fri 22/803:30CMB - BKK
1 stop28h 05mIndiGo
Tue 26/810:05BKK - CMB
1 stop9h 55mIndiGo
Deal found 9/7£233
Mon 14/723:45CMB - BKK
1 stop7h 25mJetstar Asia
Wed 30/709:20BKK - CMB
1 stop26h 35mJetstar Asia
Deal found 9/7£239
Fri 15/810:40CMB - BKK
1 stop10h 55mMultiple Airlines
Tue 19/813:55BKK - CMB
Nonstop3h 20mMultiple Airlines
Deal found 10/7£247
Thu 31/700:05CMB - BKK
1 stop14h 45mMalaysia Airlines
Thu 7/811:05BKK - CMB
1 stop13h 20mMalaysia Airlines
Deal found 10/7£263
Sun 21/917:05CMB - BKK
1 stop19h 40mAir India
Tue 23/917:55BKK - CMB
1 stop14h 55mAir India
Deal found 10/7£278
Wed 3/900:55CMB - BKK
Nonstop3h 45mThai Airways
Mon 8/921:40BKK - CMB
Nonstop3h 45mThai Airways
Deal found 10/7£295
Thu 14/801:10CMB - BKK
Nonstop3h 35mSriLankan Airlines
Tue 19/807:45BKK - CMB
Nonstop3h 20mSriLankan Airlines
Deal found 10/7£298

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 11 July 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

Sun 5/10

00:50-19:00

1 stop16h 40m

Bangkok Suvarnabhumi

Mon 13/10

20:10-23:35

1 stop28h 55m

£213

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Fri 22/8

03:30-09:05

1 stop28h 05m

Bangkok Suvarnabhumi

Tue 26/8

10:05-18:30

1 stop9h 55m

£233

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Fri 15/8

10:40-23:05

1 stop10h 55m

Bangkok Suvarnabhumi

Tue 19/8

13:55-15:45

Nonstop3h 20m

£247

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Thu 31/7

00:05-16:20

1 stop14h 45m

Bangkok Suvarnabhumi

Thu 7/8

11:05-22:55

1 stop13h 20m

£263

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sun 21/9

17:05-14:15

1 stop19h 40m

Bangkok Suvarnabhumi

Tue 23/9

17:55-07:20

1 stop14h 55m

£278

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Wed 3/9

00:55-06:10

Nonstop3h 45m

Bangkok Suvarnabhumi

Mon 8/9

21:40-23:55

Nonstop3h 45m

£295

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Thu 14/8

01:10-06:15

Nonstop3h 35m

Bangkok Suvarnabhumi

Tue 19/8

07:45-09:35

Nonstop3h 20m

£298

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sat 6/9

22:55-16:05

2 stops15h 40m

£121

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Wed 16/7

13:50-09:05

1 stop17h 45m

£132

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Thu 17/7

17:05-16:55

1 stop22h 20m

£138

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 15 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 27 June 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 £718). 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 11 July 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.

Weekly flight availability from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport

Explore weekly flight availability from Colombo to Suvarnabhumi. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 11 July 2025.

The most flights from CMB to BKK are scheduled on a Monday (11 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 on average).

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 11 July 2025.
Check out reviews from past customers who have flown with Singapore Airlines, Thai Airways, andMalaysia Airlines 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
1,324 reviews
Check prices

Entertainment

8.0

Crew

8.6

Comfort

7.9

Food

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Singapore Airlines
8.1
Very Good
1,324 reviews
Singapore Airlines
8.1
Very Good
1,324 reviews
Check prices

Entertainment

8.0

Crew

8.6

Comfort

7.9

Food

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Thai Airways
7.7
Good
336 reviews
Singapore Airlines
8.1
Very Good
1,324 reviews
Check prices

Entertainment

8.0

Crew

8.6

Comfort

7.9

Food

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
Malaysia Airlines
7.4
Good
266 reviews
Singapore Airlines
8.1
Very Good
1,324 reviews
Check prices

Entertainment

8.0

Crew

8.6

Comfort

7.9

Food

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
SriLankan Airlines
6.8
Okay
74 reviews
Singapore Airlines
8.1
Very Good
1,324 reviews
Check prices

Entertainment

8.0

Crew

8.6

Comfort

7.9

Food

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered
IndiGo
6.8
Okay
477 reviews
Singapore Airlines
8.1
Very Good
1,324 reviews
Check prices

Entertainment

8.0

Crew

8.6

Comfort

7.9

Food

7.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

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.

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

    According to our current data, Singapore Airlines (£213), IndiGo (£233), and Malaysia Airlines (£263) offers the cheapest pricing from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport.

  • 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 IndiGo, which is currently one of the cheapest options available, starting at £132. Air India flights start at £138 while deals on Malaysia Airlines start at £163 one-way.

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

    Consider Thai Airways (98%), Asiana Airlines (98%) or Japan 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 £266 for a flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport. The cheapest flight overall is £217 while the most popular route, (Colombo Bandaranaike Intl - Bangkok Suvarnabhumi) is currently priced at £266.

  • 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 £718). 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 Colombo Bandaranaike Intl Airport?

Book flights to Colombo Bandaranaike Intl Airport if you plan to visit one of these locations
Cha-am
Ko Samet
Chonburi
Ayutthaya
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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
SriLankan AirlinesCheapest£120Average£320FlexibilityNo cancel feeOn-time68%
Search SriLankan Airlines flights
Thai AirAsiaCheapest£152Average£199FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
AirAsiaCheapest£166Average£183FlexibilityNo cancel feeOn-time66%
Search AirAsia flights
Singapore AirlinesCheapest£205Average£247FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Thai AirwaysCheapest£214Average£313FlexibilityNo 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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