Cheap flights from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport from $225

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — BKK
9 Mar — 16 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 Saturday or Friday and return on a Monday

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 7 February 2026.

Sat 7/300:45
CMB
-
BKK
1 stop17h 45m
Singapore Airlines
Sat 14/320:00
BKK
-
CMB
1 stop16h 15m
Singapore Airlines
Deal found 7/2$440
Wed 27/500:50
CMB
-
BKK
1 stop17h 40m
Singapore Airlines
Tue 2/609:20
BKK
-
CMB
1 stop15h 45m
Singapore Airlines
Deal found 5/2$447
Wed 6/500:50
CMB
-
BKK
1 stop16h 40m
Singapore Airlines
Sun 10/509:20
BKK
-
CMB
1 stop15h 45m
Singapore Airlines
Deal found 5/2$448
Mon 11/500:50
CMB
-
BKK
1 stop16h 40m
Singapore Airlines
Sun 17/520:15
BKK
-
CMB
1 stop16h 00m
Singapore Airlines
Deal found 7/2$457
Mon 8/600:50
CMB
-
BKK
1 stop16h 40m
Singapore Airlines
Wed 17/609:20
BKK
-
CMB
1 stop15h 45m
Singapore Airlines
Deal found 5/2$461
Mon 11/500:50
CMB
-
BKK
1 stop12h 05m
Singapore Airlines
Fri 15/522:30
BKK
-
CMB
1 stop13h 45m
Singapore Airlines
Deal found 6/2$470
Sat 5/900:50
CMB
-
BKK
1 stop16h 40m
Singapore Airlines
Tue 15/909:20
BKK
-
CMB
1 stop15h 45m
Singapore Airlines
Deal found 4/2$473
Mon 1/600:50
CMB
-
BKK
1 stop16h 40m
Singapore Airlines
Mon 15/609:20
BKK
-
CMB
1 stop15h 45m
Singapore Airlines
Deal found 6/2$474
Thu 14/500:50
CMB
-
BKK
1 stop14h 55m
Singapore Airlines
Thu 21/510:55
BKK
-
CMB
1 stop14h 10m
Singapore Airlines
Deal found 6/2$478

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 7 February 2026.

Round-trip from

$440

One-way from

$225

Popular in

April

Cheapest in

October

Average price

$463

Good one-way deal

$870 or less
Singapore Airlines
  • Singapore Airlines
  • 7/3-14/3
  • 2 total stops
  • 34h 00m total
  • Colombo to Bangkok
1/5
  • 1/5
  • 2 total stops
  • 29h 00m total
  • Colombo to Bangkok
Highest demand for flights based on searches. 5% potential increase in price ($32 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average return price).
Average for round-trip flights in February 2026
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 647,157 searches. Data last updated 7 February 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

Sat 7/3

00:45-18:45

1 stop16h 30m

Bangkok Suvarnabhumi

Sat 14/3

20:00-10:45

1 stop16h 15m

$443

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Mon 11/5

00:50-14:25

1 stop12h 05m

Bangkok Suvarnabhumi

Fri 15/5

22:30-10:45

1 stop13h 45m

$470

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Thu 14/5

00:50-17:15

1 stop14h 55m

Bangkok Suvarnabhumi

Thu 21/5

10:55-23:35

1 stop14h 10m

$478

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Wed 4/3

00:45-20:00

1 stop17h 45m

Bangkok Suvarnabhumi

Thu 12/3

12:00-23:30

1 stop13h 00m

$480

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sat 28/3

00:45-12:20

1 stop10h 05m

Bangkok Suvarnabhumi

Sat 4/4

18:30-10:45

1 stop17h 45m

$483

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Wed 11/3

00:40-13:25

1 stop11h 15m

Bangkok Suvarnabhumi

Wed 18/3

17:05-23:35

1 stop8h 00m

$488

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Fri 20/3

00:40-10:15

1 stop8h 05m

Bangkok Suvarnabhumi

Sat 28/3

11:05-23:35

1 stop14h 00m

$490

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Fri 13/3

00:40-10:15

1 stop8h 05m

Bangkok Suvarnabhumi

Wed 18/3

17:05-23:35

1 stop8h 00m

$497

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Fri 20/3

00:40-10:15

1 stop8h 05m

Bangkok Suvarnabhumi

Sat 21/3

14:15-23:35

1 stop10h 50m

$497

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sun 8/3

00:40-10:15

1 stop8h 05m

Bangkok Suvarnabhumi

Wed 18/3

17:05-23:35

1 stop8h 00m

$497

Flights are sorted by cheapest return flights first.

Deals found on 6/2

Showing 1-10 of 19 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 30 January 2026.

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 90 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, May is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport (average of $226). Flying from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport in February is currently the most expensive (average of $340). 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 7 February 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport as you normally would.

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 7 February 2026.
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.

Overall

7.8

Comfort

7.6

Entertainment

6.8

Crew

8.4

Boarding

7.9

Food

7.4

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Overall

7.8

Comfort

7.6

Entertainment

6.8

Crew

8.4

Boarding

7.9

Food

7.4

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Overall

7.8

Comfort

7.6

Entertainment

6.8

Crew

8.4

Boarding

7.9

Food

7.4

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

Overall

7.8

Comfort

7.6

Entertainment

6.8

Crew

8.4

Boarding

7.9

Food

7.4

Reviews

1 / 20
10.0
Excellent

Virendra,Jan 2026

DEL - BKK

Having required wheel chair assistance, I received amazing service from the ground and cabin staff. Everything was a breeze. Flight was comfortable but the entertainment system was quite dated. The chicken noodles served was amazing

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 Singapore Airlines fly from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport in about 16h 30m. The time it takes to get you to your destination can typically vary by up to . There are 2391 km between Colombo Bandaranaike Intl Airport and Bangkok Suvarnabhumi Airport.

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

    According to our current data, Thai AirAsia ($340), SriLankan Airlines ($539), and Thai Airways ($548) offers the cheapest pricing from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport. Thai AirAsia is currently priced 20% 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 AirAsia ($181), Thai AirAsia ($189), and Thai Airways ($334).

  • 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 Japan Airlines(90%), Air Canada(89%) or Thai Airways(89%), 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 $1,367 for a flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport. The cheapest flight overall is $459 while the most popular route, (Colombo Bandaranaike Intl - Bangkok Suvarnabhumi) is currently priced at $501.

  • 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 $226). Flying from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport in February is currently the most expensive (average of $340). 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
Ko Samet
Chonburi
Kanchanaburi
Sattahip
Cha-am
Ko Lan

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 7 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest$340Average$405FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
SriLankan AirlinesCheapest$539Average$631FlexibilityNo cancel feeOn-time68%
Search SriLankan Airlines flights
Thai AirwaysCheapest$548Average$577FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

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Why should you use Cheapflights to find cheap flight tickets from Colombo to Suvarnabhumi?

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

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