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Cheap flights from Bangkok to Colombo Bandaranaike Intl Airport from ฿3,794

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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — CMB
5 Jan — 12 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Bangkok to Colombo Bandaranaike Intl are usually found in June or November, booked 82 days in advance, depart on a Monday or Saturday and return on a Monday

Cheap flight deals from Bangkok to Colombo

Enter your travel dates to find the best prices.

Cheapest flights from Bangkok to Colombo
Explore the most affordable flight options available from Bangkok to Colombo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 December 2025.

Wed 17/1220:10DMK - CMB
Nonstop3h 20mThai AirAsia
Tue 30/1202:45CMB - DMK
Nonstop3h 25mThai AirAsia
Deal found 6/12฿8,575
Thu 11/1223:55DMK - CMB
Nonstop3h 20mThai AirAsia
Tue 16/1202:45CMB - DMK
Nonstop3h 25mThai AirAsia
Deal found 4/12฿8,958
Wed 17/1220:10DMK - CMB
Nonstop3h 20mThai AirAsia
Wed 24/1223:00CMB - DMK
Nonstop3h 25mThai AirAsia
Deal found 6/12฿9,564
Thu 11/1223:55DMK - CMB
Nonstop3h 20mThai AirAsia
Mon 15/1223:00CMB - DMK
Nonstop3h 25mThai AirAsia
Deal found 5/12฿9,627
Tue 9/1223:55DMK - CMB
Nonstop3h 20mThai AirAsia
Fri 19/1223:00CMB - DMK
Nonstop3h 25mThai AirAsia
Deal found 5/12฿9,819
Thu 18/1219:40DMK - CMB
1 stop15h 15mMultiple Airlines
Wed 31/1223:00CMB - DMK
Nonstop3h 25mMultiple Airlines
Deal found 6/12฿9,882
Wed 10/1220:10DMK - CMB
Nonstop3h 20mThai AirAsia
Tue 16/1223:00CMB - DMK
Nonstop3h 25mThai AirAsia
Deal found 4/12฿10,010
Fri 5/1220:10DMK - CMB
Nonstop3h 20mThai AirAsia
Thu 5/323:00CMB - DMK
Nonstop3h 25mThai AirAsia
Deal found 4/12฿10,169
Thu 11/1221:25DMK - CMB
1 stop13h 30mMultiple Airlines
Tue 16/1202:45CMB - DMK
Nonstop3h 25mMultiple Airlines
Deal found 4/12฿10,488
Sat 13/1220:10DMK - CMB
Nonstop3h 20mThai AirAsia
Sat 20/1223:00CMB - DMK
Nonstop3h 25mThai AirAsia
Deal found 6/12฿10,616
Sun 21/1220:10DMK - CMB
Nonstop3h 20mThai AirAsia
Thu 1/102:45CMB - DMK
Nonstop3h 25mThai AirAsia
Deal found 6/12฿10,648
Thu 11/1221:55BKK - CMB
Nonstop3h 36mThai Airways
Sun 14/1201:00CMB - BKK
Nonstop3h 40mThai Airways
Deal found 5/12฿11,700

Find flight deals from Bangkok to Colombo

Discover tips and strategies to find the most affordable flight options for your journey from Bangkok (TH1) to Colombo (CMB). 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 6 December 2025.

Round-trip from

฿8,225

One-way from

฿3,794

Popular in

April

Cheapest in

June

Average price

฿12,401
2/3-9/3
  • 2/3-9/3
  • 1 total stop
  • 14h 35m total
  • Bangkok to Colombo
Search Deals
Thai AirAsia
  • Thai AirAsia
  • 3/1
  • Nonstop
  • 3h 20m total
  • Bangkok to Colombo
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (฿25,568 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿6,630 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Bangkok to Colombo 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 17,341 searches. Data last updated 6 December 2025.
Use the filters below to find and compare flights from Bangkok to Colombo Bandaranaike Intl Airport that are best for you.

Fly from

Bangkok

Fly to

Colombo

Route

Depart

Return

Price

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Mon 2/3

20:10-22:00

Nonstop3h 20m

Colombo Bandaranaike Intl

Mon 9/3

22:50-11:35

1 stop11h 15m

฿8,225

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Mon 2/3

20:10-22:00

Nonstop3h 20m

Colombo Bandaranaike Intl

Mon 9/3

23:00-03:55

Nonstop3h 25m

฿8,257

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Mon 2/2

20:10-22:00

Nonstop3h 20m

Colombo Bandaranaike Intl

Sat 7/3

22:50-07:50

1 stop7h 30m

฿8,257

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Fri 30/1

20:10-22:00

Nonstop3h 20m

Colombo Bandaranaike Intl

Thu 12/2

23:00-03:55

Nonstop3h 25m

฿8,288

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Sat 3/1

23:55-01:45

Nonstop3h 20m

Colombo Bandaranaike Intl

Thu 15/1

23:00-03:55

Nonstop3h 25m

฿8,288

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Wed 4/2

20:10-22:00

Nonstop3h 20m

Colombo Bandaranaike Intl

Tue 10/3

23:00-03:55

Nonstop3h 25m

฿8,352

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Mon 9/2

20:10-22:00

Nonstop3h 20m

Colombo Bandaranaike Intl

Mon 16/2

23:00-03:55

Nonstop3h 25m

฿8,384

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Wed 25/3

20:10-22:00

Nonstop3h 20m

Colombo Bandaranaike Intl

Fri 3/4

23:15-04:15

Nonstop3h 30m

฿8,544

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Fri 27/3

20:10-22:00

Nonstop3h 20m

Colombo Bandaranaike Intl

Sat 4/4

23:15-04:15

Nonstop3h 30m

฿8,544

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Tue 24/3

23:55-01:45

Nonstop3h 20m

Colombo Bandaranaike Intl

Sat 4/4

23:15-04:15

Nonstop3h 30m

฿8,544

Flights are sorted by cheapest return flights first.

Deals found on 5/12

Showing 1-10 of 44 results
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Best time to book a flight from Bangkok to Colombo

Have a flexible travel schedule? Discover the best time to fly to Colombo from Bangkok 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 Bangkok to Colombo Bandaranaike Intl Airport

How far ahead should I book a flight from Bangkok to Colombo Bandaranaike Intl Airport?

Use this chart to determine the optimal time to book a return flight from Bangkok to Colombo. Price data was last updated on 5 December 2025.

To ensure you get the cheapest price possible for a flight from Bangkok to Colombo Bandaranaike Intl Airport, you should look to book at least 82 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, April is the cheapest month in which you can book a flight from Bangkok to Colombo Bandaranaike Intl Airport (average of ฿4,877). Flying from Bangkok to Colombo Bandaranaike Intl Airport in July is currently the most expensive (average of ฿8,703). 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 BKK to CMB?

Find hourly flight availability from Bangkok to Colombo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 December 2025.

It’s optimal to fly from Bangkok to Colombo Bandaranaike Intl Airport in the afternoon. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the morning.

Weekly flight availability from Bangkok to Colombo Bandaranaike Intl Airport

Explore weekly flight availability from Bangkok to Colombo. 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 6 December 2025.

The most flights from TH1 to CMB are scheduled on a Wednesday (14 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (8 on average).

How often are flights from Bangkok to Colombo delayed?

About 14% of weekly flights between Bangkok and Colombo have experienced delays in the past year, with the average delay time being 104 minutes.

What is the most punctual flight time for Bangkok to Colombo flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Bangkok to Colombo flights?

Over the past year, Thai Airways have had the lowest number of delays on this route, with just 11% of flights being delayed.

Reviews of airlines servicing Colombo

Get insights into the airlines that provide service to Colombo. 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 Colombo. Reviews last updated 6 December 2025.
Get a feel of what it's like to fly with Thai Airways, Thai AirAsia, andศรีลังกาแอร์ไลน์ from Bangkok to Colombo Bandaranaike Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.8
Good
364 reviews
Check prices

Boarding

7.9

Entertainment

6.9

Comfort

7.5

Food

7.3

Overall

7.8

Crew

8.3

Reviews

1 / 18
10.0
Excellent

Joe,Jun 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
364 reviews
Thai Airways
7.8
Good
364 reviews
Check prices

Boarding

7.9

Entertainment

6.9

Comfort

7.5

Food

7.3

Overall

7.8

Crew

8.3

Reviews

1 / 18
10.0
Excellent

Joe,Jun 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
7.4
Good
222 reviews
Thai Airways
7.8
Good
364 reviews
Check prices

Boarding

7.9

Entertainment

6.9

Comfort

7.5

Food

7.3

Overall

7.8

Crew

8.3

Reviews

1 / 18
10.0
Excellent

Joe,Jun 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.
ศรีลังกาแอร์ไลน์
6.9
Okay
76 reviews
Thai Airways
7.8
Good
364 reviews
Check prices

Boarding

7.9

Entertainment

6.9

Comfort

7.5

Food

7.3

Overall

7.8

Crew

8.3

Reviews

1 / 18
10.0
Excellent

Joe,Jun 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 Bangkok to Colombo. 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 Bangkok to Colombo Bandaranaike Intl Airport?

    A quick flight from Bangkok to Colombo Bandaranaike Intl Airport can take about 3h 20m. Thai AirAsia provides one of the quickest options available for as low as ฿8,257. Airlines will cover a distance of 2382 km. Both multi-stop and direct flights can be found to your destination and back.

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

    According to our current data, ศรีลังกาแอร์ไลน์ (฿5,172), Thai AirAsia (฿8,275), and Thai Airways (฿12,224) offers the cheapest pricing from Bangkok to Colombo Bandaranaike Intl Airport. ศรีลังกาแอร์ไลน์ is currently priced 52% below the average price you’ll pay for this route.

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

    The cheapet airlines for a one-way flight from Bangkok to Colombo Bandaranaike Intl Airport are Thai AirAsia (฿3,669), ศรีลังกาแอร์ไลน์ (฿4,853), and Thai Airways (฿6,033).

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

    Consider Japan Airlines (92%), แอร์แคนาดา (85%) or Thai Airways (85%) when booking your flight. These represent the most reliable airlines when flying from Bangkok to Colombo Bandaranaike Intl Airport.

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

    While on average a flight from Bangkok to Colombo Bandaranaike Intl Airport is generally ฿12,516, our data shows the cheapest flight currently is ฿5,493. When looking at the most popular route, (Bangkok Suvarnabhumi - Colombo Bandaranaike Intl), you can expect to pay ฿7,651 for that flight.

  • Can I find deals for flights from Bangkok to Colombo that include hotel bookings?

    Yes. In addition to deals on Bangkok to Colombo flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Bangkok to Colombo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bangkok to Colombo.

  • Can I find deals for business class flights from Bangkok to Colombo?

    Yes. Cheapflights offers flight deals from Bangkok to Colombo 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 Bangkok to Colombo Bandaranaike Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Bangkok to Colombo Bandaranaike Intl Airport (average of ฿4,877). Flying from Bangkok to Colombo Bandaranaike Intl Airport in July is currently the most expensive (average of ฿8,703). 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

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Alternative routes for Bangkok to Colombo

See prices for flight routes from nearby airports that may be better suited for you.
Chiang Mai to Colombo flights
Phuket City to Colombo flights
Ko Samui to Colombo flights
Krabi to Colombo flights

Top 3 airlines flying from Bangkok to Colombo

Discover the top 3 airlines that operate flights from Bangkok to Colombo. 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 17,341 searches. Data last updated 6 December 2025.
AirlineCheapestAverageFlexibilityOn-time
ศรีลังกาแอร์ไลน์Cheapest฿8,163Average฿11,993FlexibilityNo cancel feeOn-time68%
Search ศรีลังกาแอร์ไลน์ flights
Thai AirAsiaCheapest฿8,275Average฿9,592FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai AirwaysCheapest฿12,224Average฿13,870FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

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

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

Cheapflights helps you find that perfect flight to Colombo from Bangkok by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Bangkok to Colombo with no change fees?

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

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

Yes, Cheapflights offers price alerts on Bangkok to Colombo 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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