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Cheap flights from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport from $317

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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — BKK
25 abr. — 2 may.1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Colombo Bandaranaike Intl to Bangkok Suvarnabhumi are usually found in November or October, 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 26 marzo 2026.

lun. 8/600:50
CMB
-
BKK
1 stop14h 55m
Singapore Airlines
mié. 17/613:35
BKK
-
CMB
1 stop11h 30m
Singapore Airlines
Deal found 25/3$489
lun. 27/421:15
CMB
-
BKK
1 stop8h 15m
IndiGo
sáb. 2/509:25
BKK
-
CMB
1 stop18h 45m
IndiGo
Deal found 25/3$504
mar. 23/600:50
CMB
-
BKK
1 stop17h 40m
Singapore Airlines
mar. 30/615:30
BKK
-
CMB
1 stop9h 35m
Singapore Airlines
Deal found 25/3$505
mié. 14/1000:50
CMB
-
BKK
1 stop10h 00m
Singapore Airlines
mar. 20/1012:15
BKK
-
CMB
1 stop12h 50m
Singapore Airlines
Deal found 24/3$507
dom. 28/600:50
CMB
-
BKK
1 stop14h 55m
Singapore Airlines
lun. 13/715:30
BKK
-
CMB
1 stop9h 35m
Singapore Airlines
Deal found 21/3$508
lun. 18/515:00
CMB
-
BKK
1 stop18h 25m
IndiGo
mié. 27/509:25
BKK
-
CMB
1 stop13h 05m
IndiGo
Deal found 23/3$515
vie. 5/600:50
CMB
-
BKK
1 stop11h 55m
Singapore Airlines
sáb. 13/615:30
BKK
-
CMB
1 stop9h 35m
Singapore Airlines
Deal found 22/3$531
dom. 2/800:50
CMB
-
BKK
1 stop16h 40m
Singapore Airlines
sáb. 8/815:30
BKK
-
CMB
1 stop9h 35m
Singapore Airlines
Deal found 25/3$548
mar. 21/700:50
CMB
-
BKK
1 stop16h 40m
Singapore Airlines
mar. 28/715:30
BKK
-
CMB
1 stop9h 35m
Singapore Airlines
Deal found 25/3$550
vie. 22/500:50
CMB
-
BKK
1 stop17h 40m
Singapore Airlines
vie. 29/513:35
BKK
-
CMB
1 stop11h 30m
Singapore Airlines
Deal found 23/3$561
vie. 8/515:00
CMB
-
BKK
1 stop18h 25m
Multiple Airlines
vie. 15/507:05
BKK
-
CMB
2 stops16h 15m
Multiple Airlines
Deal found 24/3$566
lun. 13/700:50
CMB
-
BKK
1 stop10h 00m
Singapore Airlines
dom. 19/715:30
BKK
-
CMB
1 stop9h 35m
Singapore Airlines
Deal found 22/3$577

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 26 marzo 2026.

Round-trip from

$489

One-way from

$317

Popular in

April

Cheapest in

November

Average price

$421

Good round-trip deal

$699 or less

Good one-way deal

$857 or less
Singapore Airlines
  • Singapore Airlines
  • 8/6-17/6
  • 2 total stops
  • 26h 25m total
  • Colombo to Bangkok
Search Deals
Air India
  • Air India
  • 6/4
  • 1 total stop
  • 20h 05m total
  • Colombo to Bangkok
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($35 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Colombo Bandaranaike Intl to Bangkok Suvarnabhumi.
Search Deals
Price to beat on a one-way flight from Colombo Bandaranaike Intl to Bangkok Suvarnabhumi.
Search Deals

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 marzo 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

Fly to

Route

Depart

Return

Price

Cheapest return flight

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

sáb. 22/8

00:50-20:00

1 stop17h 40m

Bangkok Suvarnabhumi

lun. 31/8

20:15-10:45

1 stop16h 00m

$507
Fastest return journey

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

mar. 30/6

00:50-14:15

1 stop11h 55m

Bangkok Suvarnabhumi

sáb. 4/7

13:35-23:35

1 stop11h 30m

$507

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

mar. 21/7

00:50-19:00

1 stop16h 40m

Bangkok Suvarnabhumi

mar. 28/7

15:30-23:35

1 stop9h 35m

$550

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

jue. 4/6

00:50-19:00

1 stop16h 40m

Bangkok Suvarnabhumi

mar. 9/6

09:20-23:35

1 stop15h 45m

$561

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

vie. 22/5

00:50-20:00

1 stop17h 40m

Bangkok Suvarnabhumi

vie. 29/5

13:35-23:35

1 stop11h 30m

$561

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

mar. 26/5

00:50-20:00

1 stop17h 40m

Bangkok Suvarnabhumi

lun. 1/6

12:15-23:35

1 stop12h 50m

$561

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

vie. 17/4

11:20-23:05

1 stop10h 15m

Bangkok Suvarnabhumi

mar. 21/4

19:45-22:55

1 stop28h 40m

$792

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

vie. 8/5

20:30-14:55

3 stops40h 55m

Bangkok Suvarnabhumi

dom. 10/5

02:35-18:20

2 stops17h 15m

$937

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

mar. 2/6

20:30-01:25

3 stops27h 25m

Bangkok Suvarnabhumi

vie. 5/6

02:35-18:20

2 stops17h 15m

$966

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

vie. 8/5

20:30-22:15

3 stops48h 15m

Bangkok Suvarnabhumi

vie. 15/5

19:15-18:20

2 stops24h 35m

$967

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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 13 March 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 $228). Flying from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport in February is currently the most expensive (average of $330). 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 marzo 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 26 marzo 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.
Thai Airways
7.8
Good
394 reviews
Check prices

Overall

7.8

Boarding

7.9

Food

7.4

Entertainment

6.9

Comfort

7.6

Crew

8.4

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
Thai Airways
7.8
Good
394 reviews
Thai Airways
7.8
Good
394 reviews
Check prices

Overall

7.8

Boarding

7.9

Food

7.4

Entertainment

6.9

Comfort

7.6

Crew

8.4

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
Thai AirAsia
7.4
Good
240 reviews
Thai Airways
7.8
Good
394 reviews
Check prices

Overall

7.8

Boarding

7.9

Food

7.4

Entertainment

6.9

Comfort

7.6

Crew

8.4

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
SriLankan Airlines
6.8
Okay
82 reviews
Thai Airways
7.8
Good
394 reviews
Check prices

Overall

7.8

Boarding

7.9

Food

7.4

Entertainment

6.9

Comfort

7.6

Crew

8.4

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 40m. 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 ($331), SriLankan Airlines ($455), and Thai Airways ($549) offers the cheapest pricing from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport. Thai AirAsia is currently priced 22% 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 ($182), Thai AirAsia ($186), 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(92%), Qantas Airways(92%) or MAI(92%), 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 $1,066 for a flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport. The cheapest flight overall is $622 while the most popular route, (Colombo Bandaranaike Intl - Bangkok Suvarnabhumi) is currently priced at $502.

  • 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 $228). Flying from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport in February is currently the most expensive (average of $330). 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
Kanchanaburi
Cha-am
Ko Lan

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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 marzo 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest$331Average$405FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
SriLankan AirlinesCheapest$455Average$602FlexibilityNo cancel feeOn-time68%
Search SriLankan Airlines flights
Thai AirwaysCheapest$549Average$576FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Colombo to Suvarnabhumi?

Deals for Colombo to Suvarnabhumi flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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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