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Cheap flights from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport from $244

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — BKK
26 Oct — 2 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Colombo Bandaranaike Intl to Bangkok Suvarnabhumi are usually found in October or November, booked 52 days in advance, depart on a Saturday or Friday 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 26 September 2025.

Round-trip from

$457

One-way from

$244

Popular in

April

Cheapest in

October

Average price

$434

Good round-trip deal

$617 or less

Good one-way deal

$781 or less
Singapore Airlines
  • Singapore Airlines
  • 2/3-12/3
  • 2 total stops
  • 33h 10m total
  • Colombo to Bangkok
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15/10
  • 15/10
  • 2 total stops
  • 35h 30m total
  • Colombo to Bangkok
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Highest demand for flights based on searches. 2% potential increase in price ($21 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average return price).
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Average for round-trip flights in September 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 26 September 2025.

Thu 25/900:20CMB - BKK
1 stop11h 35mMalaysia Airlines
Sat 27/914:15BKK - CMB
1 stop10h 05mMalaysia Airlines
Deal found 24/9$545
Sat 8/1103:00CMB - BKK
1 stop7h 35mIndiGo
Sun 16/1113:05BKK - CMB
1 stop8h 20mIndiGo
Deal found 25/9$568
Thu 25/900:20CMB - BKK
1 stop8h 25mMalaysia Airlines
Tue 7/1016:40BKK - CMB
1 stop7h 45mMalaysia Airlines
Deal found 24/9$575
Wed 8/1000:55CMB - BKK
Nonstop3h 45mThai Airways
Wed 15/1021:40BKK - CMB
Nonstop3h 45mThai Airways
Deal found 26/9$583
Sat 8/1103:00CMB - BKK
1 stop7h 35mMultiple Airlines
Sun 16/1121:55BKK - CMB
Nonstop3h 36mMultiple Airlines
Deal found 25/9$589
Sat 8/1101:00CMB - BKK
Nonstop3h 40mThai Airways
Sun 16/1121:55BKK - CMB
Nonstop3h 36mThai Airways
Deal found 25/9$591
Thu 25/900:20CMB - BKK
1 stop8h 25mMalaysia Airlines
Sun 5/1009:05BKK - CMB
1 stop15h 20mMalaysia Airlines
Deal found 24/9$592
Mon 20/1000:20CMB - BKK
1 stop8h 25mMalaysia Airlines
Tue 21/1016:40BKK - CMB
1 stop7h 45mMalaysia Airlines
Deal found 24/9$603
Sun 19/1000:05CMB - BKK
1 stop8h 40mMalaysia Airlines
Mon 27/1016:45BKK - CMB
1 stop8h 20mMalaysia Airlines
Deal found 25/9$606
Fri 24/1000:05CMB - BKK
1 stop8h 40mMalaysia Airlines
Mon 3/1105:40BKK - CMB
1 stop19h 25mMalaysia Airlines
Deal found 25/9$607

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 647,157 searches. Data last updated 26 September 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 26/10

00:40-16:05

1 stop13h 55m

Bangkok Suvarnabhumi

Tue 4/11

05:40-23:35

1 stop19h 25m

$607

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sat 17/1

00:45-20:00

1 stop17h 45m

Bangkok Suvarnabhumi

Thu 22/1

09:35-23:30

1 stop15h 25m

$624

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Wed 14/1

00:45-11:00

1 stop8h 45m

Bangkok Suvarnabhumi

Thu 22/1

09:35-23:30

1 stop15h 25m

$633

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Tue 13/1

00:45-18:45

1 stop16h 30m

Bangkok Suvarnabhumi

Thu 22/1

20:00-23:30

1 stop29h 00m

$633

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Tue 20/1

00:45-18:45

1 stop16h 30m

Bangkok Suvarnabhumi

Thu 29/1

09:35-23:30

1 stop15h 25m

$633

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Tue 21/10

00:05-10:15

1 stop8h 40m

Bangkok Suvarnabhumi

Fri 31/10

16:45-23:35

1 stop8h 20m

$676

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Wed 17/12

00:40-13:25

1 stop11h 15m

Bangkok Suvarnabhumi

Tue 6/1

05:40-23:35

1 stop19h 25m

$892

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sat 15/11

00:40-10:15

1 stop8h 05m

Bangkok Suvarnabhumi

Fri 5/12

17:05-23:35

1 stop8h 00m

$967

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Tue 18/11

00:40-10:15

1 stop8h 05m

Bangkok Suvarnabhumi

Mon 1/12

17:05-23:35

1 stop8h 00m

$967

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Wed 19/11

00:40-10:15

1 stop8h 05m

Bangkok Suvarnabhumi

Sat 6/12

17:05-23:35

1 stop8h 00m

$989

Flights are sorted by cheapest return flights first.

Deals found on 25/9

Showing 1-10 of 23 results
1
2
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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 19 September 2025.

The price you pay for your flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport may vary depending on when you book. For the best chance of a lower fare, look to book 52 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport (average of $489). Flying from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $911). 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 26 September 2025.

One of the essential ways to save on airfare from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 21% on airfare.

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 26 September 2025.
See what other customers who have flown with Thai Airways, Thai AirAsia, andSriLankan Airlines from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.8
Good
353 reviews
Check prices

Comfort

7.6

Boarding

7.9

Food

7.3

Crew

8.3

Entertainment

6.9

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,June 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Thai Airways
7.8
Good
353 reviews
Thai Airways
7.8
Good
353 reviews
Check prices

Comfort

7.6

Boarding

7.9

Food

7.3

Crew

8.3

Entertainment

6.9

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,June 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
Thai AirAsia
7.5
Good
216 reviews
Thai Airways
7.8
Good
353 reviews
Check prices

Comfort

7.6

Boarding

7.9

Food

7.3

Crew

8.3

Entertainment

6.9

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,June 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.
SriLankan Airlines
6.8
Okay
75 reviews
Thai Airways
7.8
Good
353 reviews
Check prices

Comfort

7.6

Boarding

7.9

Food

7.3

Crew

8.3

Entertainment

6.9

Overall

7.8

Reviews

1 / 18
10.0
Excellent

Joe,June 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

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?

    Airlines like Malaysia Airlines and Singapore Airlines fly from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport in about 13h 55m. The time it takes to get you to your destination can typically vary by up to 3h 50m. There are 2391 km between Colombo Bandaranaike Intl Airport and Bangkok Suvarnabhumi Airport. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    According to our current data, Thai AirAsia ($367), SriLankan Airlines ($580), and Thai Airways ($581) offers the cheapest pricing from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport. Thai AirAsia is currently priced 19% below the average price you’ll pay for this route.

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

    The cheapet airlines for a one-way flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport are Malaysia Airlines ($327), Thai Airways ($359), and Singapore Airlines ($417).

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

    No one likes to see their flight delayed. When booking a flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport consider choosing Thai Airways(97%), Asiana Airlines(97%) or Japan Airlines(95%), as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $1,121 for a flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport. The cheapest flight overall is $580 while the most popular route, (Colombo Bandaranaike Intl - Bangkok Suvarnabhumi) is currently priced at $533.

  • 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, February is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport (average of $489). Flying from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $911). 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
Chonburi
Ko Samet
Ko Lan
Cha-am
Kanchanaburi
Sattahip
Ayutthaya

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Colombo to Suvarnabhumi

Discover the top 3 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 647,157 searches. Data last updated 26 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest$367Average$429FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
SriLankan AirlinesCheapest$580Average$683FlexibilityNo cancel feeOn-time68%
Search SriLankan Airlines flights
Thai AirwaysCheapest$581Average$607FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

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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?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Colombo to Suvarnabhumi flexibly with Cheapflights today.

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

Not ready to book yet? You can track prices for flights from Colombo to Suvarnabhumi on Cheapflights with our Price Alert feature and get notified when better prices are available.

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