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Cheap flights from Bangkok to Colombo Bandaranaike Intl Airport from ฿5,571

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — CMB
3 Sep — 10 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Bangkok to Colombo Bandaranaike Intl are usually found in November or January, booked 18 days in advance, depart on a Tuesday or Monday 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 4 August 2026.

Thu 27/820:25
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Fri 4/923:15
CMB
-
DMK
Nonstop3h 35m
Thai AirAsia
Deal found 31/7฿10,107
Fri 28/820:25
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Sat 5/923:15
CMB
-
DMK
Nonstop3h 35m
Thai AirAsia
Deal found 30/7฿10,241
Sun 23/820:25
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Sun 13/923:15
CMB
-
DMK
Nonstop3h 35m
Thai AirAsia
Deal found 1/8฿10,308
Thu 27/820:25
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Sat 5/923:15
CMB
-
DMK
Nonstop3h 35m
Thai AirAsia
Deal found 1/8฿10,341
Sat 14/1117:10
BKK
-
CMB
1 stop22h 00m
IndiGo
Sat 21/1114:40
CMB
-
BKK
1 stop24h 00m
IndiGo
Deal found 2/8฿10,341
Wed 30/919:25
DMK
-
CMB
2 stops28h 00m
Multiple Airlines
Thu 15/1023:15
CMB
-
DMK
Nonstop3h 35m
Multiple Airlines
Deal found 30/7฿10,508
Wed 26/820:25
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Wed 16/923:15
CMB
-
DMK
Nonstop3h 35m
Thai AirAsia
Deal found 30/7฿10,541
Tue 25/820:25
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Mon 14/923:15
CMB
-
DMK
Nonstop3h 35m
Thai AirAsia
Deal found 1/8฿10,574
Fri 28/820:25
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Fri 4/923:15
CMB
-
DMK
Nonstop3h 35m
Thai AirAsia
Deal found 30/7฿10,608
Sun 23/820:25
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Mon 14/923:15
CMB
-
DMK
Nonstop3h 35m
Thai AirAsia
Deal found 30/7฿10,675
Sun 23/820:25
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Fri 18/923:15
CMB
-
DMK
Nonstop3h 35m
Thai AirAsia
Deal found 30/7฿10,708
Thu 1/1011:30
BKK
-
CMB
1 stop11h 50m
VietJet Air
Thu 15/1023:00
CMB
-
BKK
1 stop14h 15m
VietJet Air
Deal found 30/7฿11,542

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 4 August 2026.

Round-trip from

฿10,107

One-way from

฿5,571

Popular in

May

Cheapest in

November

Average price

฿12,076
Thai AirAsia
  • Thai AirAsia
  • 27/8-4/9
  • Nonstop
  • 6h 55m total
  • Bangkok to Colombo
Search Deals
Thai AirAsia
  • Thai AirAsia
  • 10/10
  • Nonstop
  • 3h 20m total
  • Bangkok to Colombo
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (฿62,294 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿7,524 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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 4 August 2026.
Use the filters below to find and compare flights from Bangkok to Colombo Bandaranaike Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Sun 11/10

20:25-22:15

Nonstop3h 20m

Colombo Bandaranaike Intl

Wed 14/10

23:15-04:20

Nonstop3h 35m

฿12,476

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Sat 14/11

09:55-21:50

1 stop13h 25m

Colombo Bandaranaike Intl

Sat 28/11

23:10-04:05

Nonstop3h 25m

฿14,644

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Thu 27/8

20:25-22:15

Nonstop3h 20m

Colombo Bandaranaike Intl

Fri 4/9

17:15-04:35

1 stop9h 50m

฿14,911

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Sat 29/8

20:25-22:15

Nonstop3h 20m

Colombo Bandaranaike Intl

Tue 1/9

23:00-11:20

1 stop10h 50m

฿15,478

BangkokColombo

BKK - CMB

BKKCMB

Bangkok Suvarnabhumi

Mon 21/9

17:15-22:55

1 stop7h 10m

Colombo Bandaranaike Intl

Tue 29/9

00:05-13:25

1 stop11h 50m

฿16,379

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Fri 11/9

18:00-20:45

1 stop28h 15m

Colombo Bandaranaike Intl

Fri 30/10

21:45-11:05

1 stop11h 50m

฿16,912

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Mon 14/9

13:45-20:45

1 stop8h 30m

Colombo Bandaranaike Intl

Sat 24/10

21:45-12:40

1 stop13h 25m

฿17,246

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Fri 1/1

20:10-22:00

Nonstop3h 20m

Colombo Bandaranaike Intl

Sat 9/1

22:50-07:50

1 stop7h 30m

฿17,346

BangkokColombo

BKK - CMB

BKKCMB

Bangkok Suvarnabhumi

Fri 25/9

18:45-21:50

2 stops28h 35m

Colombo Bandaranaike Intl

Thu 1/10

23:00-14:45

1 stop14h 15m

฿17,446

BangkokColombo

BKK - CMB

BKKCMB

Bangkok Suvarnabhumi

Fri 13/11

20:05-22:05

1 stop27h 30m

Colombo Bandaranaike Intl

Thu 26/11

23:05-14:05

2 stops37h 30m

฿18,247

Flights are sorted by cheapest return flights first.

Deals found on 30/7

Showing 1-10 of 40 resultsSorted by cheapest first
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3
4

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

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

Currently, November is the cheapest month in which you can book a flight from Bangkok to Colombo Bandaranaike Intl Airport (average of ฿9,774). Flying from Bangkok to Colombo Bandaranaike Intl Airport in May is currently the most expensive (average of ฿14,544). 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 4 August 2026.

It’s optimal to fly from Bangkok to Colombo Bandaranaike Intl Airport in the evening. By choosing this option you can save up to 70% on the cost of your flight, compared to a flight in the afternoon.

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 4 August 2026.

The most flights from TH1 to CMB are scheduled on a Tuesday (14 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (9 on average).

How much does it cost for a return flight from Bangkok to Colombo Bandaranaike Intl Airport?

Airfare is typical for this route at the moment.
Bangkok to Colombo Bandaranaike Intl Airport flights typically cost between ฿10,007 and ฿14,110 in August.
The cheapest return price found within the last 5 days was ฿10,107 on Thai AirAsia (27 Aug–4 Sep).

How often are flights from Bangkok to Colombo delayed?

About 16% of weekly flights between Bangkok and Colombo have experienced delays in the past year, with the average delay time being 105 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?

Sunday 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 7% of flights being delayed.

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

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 17 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.

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 4 August 2026.
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
7.9
Good
413 reviews
Check prices

Comfort

7.7

Boarding

8.0

Crew

8.4

Overall

7.9

Food

7.5

Entertainment

6.9

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
7.9
Good
413 reviews
Thai Airways
7.9
Good
413 reviews
Check prices

Comfort

7.7

Boarding

8.0

Crew

8.4

Overall

7.9

Food

7.5

Entertainment

6.9

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
246 reviews
Thai Airways
7.9
Good
413 reviews
Check prices

Comfort

7.7

Boarding

8.0

Crew

8.4

Overall

7.9

Food

7.5

Entertainment

6.9

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
ศรีลังกาแอร์ไลน์
6.8
Okay
86 reviews
Thai Airways
7.9
Good
413 reviews
Check prices

Comfort

7.7

Boarding

8.0

Crew

8.4

Overall

7.9

Food

7.5

Entertainment

6.9

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 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. IndiGo provides one of the quickest options available for as low as ฿11,442. 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, Thai AirAsia (฿8,229), ศรีลังกาแอร์ไลน์ (฿11,323), and Thai Airways (฿13,028) offers the cheapest pricing from Bangkok to Colombo Bandaranaike Intl Airport. Thai AirAsia is currently priced 31% 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 (฿3,426), ศรีลังกาแอร์ไลน์ (฿5,397), and Thai Airways (฿6,445).

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

    Consider Japan Airlines (98%), แอร์แคนาดา (93%) or Thai Airways (93%) 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 ฿12,161, our data shows the cheapest flight currently is ฿6,978. When looking at the most popular route, (Bangkok Suvarnabhumi - Colombo Bandaranaike Intl), you can expect to pay ฿10,374 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, November is the cheapest month in which you can book a flight from Bangkok to Colombo Bandaranaike Intl Airport (average of ฿9,774). Flying from Bangkok to Colombo Bandaranaike Intl Airport in May is currently the most expensive (average of ฿14,544). 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
Krabi to Colombo flights
Ko Samui 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 4 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest฿8,229Average฿10,900FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
ศรีลังกาแอร์ไลน์Cheapest฿11,323Average฿14,312FlexibilityNo cancel feeOn-time68%
Search ศรีลังกาแอร์ไลน์ flights
Thai AirwaysCheapest฿13,028Average฿14,533FlexibilityNo 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 Bangkok to Colombo?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Bangkok to Colombo. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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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