HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Suvarnabhumi

$154+ Cheap flights from Bandaranaike Intl (CMB) to Suvarnabhumi (BKK)

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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — BKK
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colombo to Suvarnabhumi with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 Friday or Sunday 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 September 11, 2025.

Round-trip from

$294
(CheapOair)

One-way from

$154
(Mytrip)

Popular in

April

Cheapest in

October

Average price

$279

Good round-trip deal

$405 or less

Good one-way deal

$325 or less
From Colombo Bandaranaike Intl to Bangkok Suvarnabhumi
Search Deals
One-way flight from Colombo Bandaranaike Intl to Bangkok Suvarnabhumi
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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

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 September 11, 2025.

This Mytrip deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1910:40 amCMB - BKK
2 stops11h 30mMultiple Airlines
Thu 9/2512:20 pmBKK - CMB
2 stops11h 05mMultiple Airlines
Deal found 9/10$280
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/201:50 pmCMB - BKK
1 stop17h 45mIndiGo
Mon 10/271:05 pmBKK - CMB
1 stop14h 25mIndiGo
Deal found 9/10$294
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/101:50 pmCMB - BKK
1 stop17h 45mIndiGo
Thu 10/1610:05 amBKK - CMB
1 stop9h 55mIndiGo
Deal found 9/10$304
This Mytrip deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:55 pmCMB - BKK
2 stops13h 35mMultiple Airlines
Thu 10/212:20 pmBKK - CMB
2 stops11h 05mMultiple Airlines
Deal found 9/10$307
This OneTravel deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:30 pmCMB - BKK
1 stop12h 05mIndiGo
Wed 10/1510:05 amBKK - CMB
1 stop17h 55mIndiGo
Deal found 9/10$308
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/101:50 pmCMB - BKK
1 stop17h 45mIndiGo
Tue 10/1410:05 amBKK - CMB
1 stop9h 55mIndiGo
Deal found 9/10$309
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2110:40 amCMB - BKK
2 stops11h 20mMultiple Airlines
Tue 9/231:55 pmBKK - CMB
Nonstop3h 20mMultiple Airlines
Deal found 9/10$313
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/197:30 pmCMB - BKK
1 stop12h 05mIndiGo
Thu 9/2510:05 amBKK - CMB
1 stop9h 55mIndiGo
Deal found 9/10$316
This Mytrip deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:25 amCMB - BKK
2 stops11h 35mMultiple Airlines
Tue 12/97:10 amBKK - CMB
2 stops16h 20mMultiple Airlines
Deal found 9/11$317

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 11, 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

Mon 3/2

12:45 am-8:00 pm

1 stop17h 45m

Bangkok Suvarnabhumi

Thu 3/12

9:35 am-11:30 pm

1 stop15h 25m

$297

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Mon 2/2

12:45 am-8:00 pm

1 stop17h 45m

Bangkok Suvarnabhumi

Sat 2/7

8:00 pm-10:45 am

1 stop16h 15m

$297

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sun 11/2

12:40 am-4:05 pm

1 stop13h 55m

Bangkok Suvarnabhumi

Sat 11/8

2:15 pm-11:35 pm

1 stop10h 50m

$343

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sat 11/15

12:40 am-4:05 pm

1 stop13h 55m

Bangkok Suvarnabhumi

Sat 11/22

5:05 pm-11:35 pm

1 stop8h 00m

$359

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sun 11/2

12:45 am-8:00 pm

1 stop17h 45m

Bangkok Suvarnabhumi

Wed 11/12

9:35 am-11:30 pm

1 stop15h 25m

$383

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Wed 10/8

12:55 am-6:10 am

Nonstop3h 45m

Bangkok Suvarnabhumi

Wed 10/15

9:40 pm-11:55 pm

Nonstop3h 45m

$384

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Mon 2/2

1:00 am-6:10 am

Nonstop3h 40m

Bangkok Suvarnabhumi

Sat 2/7

9:55 pm-12:01 am

Nonstop3h 36m

$395

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Tue 2/3

10:25 am-7:20 pm

1 stop7h 25m

Bangkok Suvarnabhumi

Fri 2/6

2:10 am-4:10 am

Nonstop3h 30m

$412

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sat 11/15

10:25 am-11:30 pm

2 stops11h 35m

$166

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Wed 9/24

3:30 am-9:05 am

1 stop28h 05m

$196

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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 round-trip 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 round-trip flight from Colombo to Suvarnabhumi. Price data was last updated on August 29, 2025.

Booking 50 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, September is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport (average of $908). Flying from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,518). 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 September 11, 2025.

When flying from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 22% versus a flight at noon.

How much does it cost to fly round-trip 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 September 11, 2025.
Read through reviews of airlines operating flights from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport, such as Singapore Airlines, Thai Airways, and Thai AirAsia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.1
Very good
1,365 reviews

Crew

8.6

Food

7.7

Overall

8.1

Boarding

8.2

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Singapore Airlines
8.1
Very good
1,365 reviews
Singapore Airlines
8.1
Very good
1,365 reviews

Crew

8.6

Food

7.7

Overall

8.1

Boarding

8.2

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Thai Airways
7.8
Good
350 reviews
Singapore Airlines
8.1
Very good
1,365 reviews

Crew

8.6

Food

7.7

Overall

8.1

Boarding

8.2

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
Thai AirAsia
7.5
Good
216 reviews
Singapore Airlines
8.1
Very good
1,365 reviews

Crew

8.6

Food

7.7

Overall

8.1

Boarding

8.2

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
SriLankan Airlines
6.8
Okay
75 reviews
Singapore Airlines
8.1
Very good
1,365 reviews

Crew

8.6

Food

7.7

Overall

8.1

Boarding

8.2

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.
AirAsia
6.8
Okay
215 reviews
Singapore Airlines
8.1
Very good
1,365 reviews

Crew

8.6

Food

7.7

Overall

8.1

Boarding

8.2

Comfort

8.0

Entertainment

8.0

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SIN - AMD

Food was not good. It was like few days old.

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?

    For as low as $343, Singapore Airlines can have you in Bangkok Suvarnabhumi Airport from Colombo Bandaranaike Intl Airport in 13h 55m. The distance from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport is about 1486 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Cheapflights users have booked flights from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport round-trip from $159. Other airlines that can offer you cheap pricing are AirAsia, from $184, and IndiGo, from $228. You may be able to fly from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport for 46% less than the average price by searching for these airlines.

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

    Consider Thai Airways (97%), Asiana Airlines (97%) or Japan Airlines (95%) 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 $719 for a flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport. The cheapest flight overall is $250 while the most popular route, (Colombo Bandaranaike Intl - Bangkok Suvarnabhumi) is currently priced at $224.

  • 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 vacation 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, September is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport (average of $908). Flying from Colombo Bandaranaike Intl Airport to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $1,518). 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

Traveling to a place near Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Sattahip
Kanchanaburi
Chonburi
Cha-am
Ko Samet
Pak Chong
Phetchaburi
Ko Lan

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 7 airlines flying from Colombo to Suvarnabhumi

Discover the top 7 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 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
SriLankan AirlinesCheapest$159Average$482FlexibilityNo cancel feeOn-time68%
AirAsiaCheapest$184Average$233FlexibilityNo cancel feeOn-time66%
IndiGoCheapest$228Average$344FlexibilityNo cancel feeOn-time80%
Thai AirAsiaCheapest$246Average$289FlexibilityNo cancel feeOn-time87%
Singapore AirlinesCheapest$283Average$334FlexibilityNo cancel feeOn-time81%
Malaysia AirlinesCheapest$292Average$372FlexibilityNo cancel feeOn-time67%
Thai AirwaysCheapest$365Average$475FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.