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Cheap flights from Bangkok to Colombo Bandaranaike Intl Airport from ฿5,166

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — CMB
6 Jun — 13 Jun1
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 32 days in advance, depart on a Thursday or Tuesday 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 7 May 2026.

Mon 16/1120:10
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Mon 23/1123:10
CMB
-
DMK
Nonstop3h 25m
Thai AirAsia
Deal found 3/5฿10,203
Fri 6/1120:10
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Tue 24/1123:10
CMB
-
DMK
Nonstop3h 25m
Thai AirAsia
Deal found 3/5฿10,397
Fri 22/520:25
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Sun 31/523:15
CMB
-
DMK
Nonstop3h 35m
Thai AirAsia
Deal found 3/5฿10,494
Thu 21/520:25
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Sat 30/523:15
CMB
-
DMK
Nonstop3h 35m
Thai AirAsia
Deal found 2/5฿10,558
Wed 2/920:25
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Thu 24/923:15
CMB
-
DMK
Nonstop3h 35m
Thai AirAsia
Deal found 3/5฿10,655
Wed 5/820:25
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Mon 17/823:15
CMB
-
DMK
Nonstop3h 35m
Thai AirAsia
Deal found 3/5฿10,687
Sat 17/1020:25
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Sat 31/1023:10
CMB
-
DMK
Nonstop3h 25m
Thai AirAsia
Deal found 3/5฿10,849
Wed 14/1020:25
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Sat 31/1023:10
CMB
-
DMK
Nonstop3h 25m
Thai AirAsia
Deal found 3/5฿10,881
Sat 6/620:25
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Mon 7/923:15
CMB
-
DMK
Nonstop3h 35m
Thai AirAsia
Deal found 5/5฿10,913
Sat 6/620:25
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Sun 6/923:15
CMB
-
DMK
Nonstop3h 35m
Thai AirAsia
Deal found 5/5฿10,946
Sat 23/520:15
BKK
-
CMB
1 stop27h 10m
IndiGo
Thu 18/617:15
CMB
-
BKK
1 stop13h 40m
IndiGo
Deal found 2/5฿12,689
Wed 20/508:05
BKK
-
CMB
1 stop13h 40m
IndiGo
Tue 26/523:05
CMB
-
BKK
1 stop12h 15m
IndiGo
Deal found 6/5฿12,754

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 7 May 2026.

Round-trip from

฿10,494

One-way from

฿5,166

Popular in

April

Cheapest in

November

Average price

฿12,786
Thai AirAsia
  • Thai AirAsia
  • 22/5-31/5
  • Nonstop
  • 6h 55m total
  • Bangkok to Colombo
Search Deals
Thai AirAsia
  • Thai AirAsia
  • 10/6
  • Nonstop
  • 3h 20m total
  • Bangkok to Colombo
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (฿42,203 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (฿6,971 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 7 May 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

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Sat 23/5

20:25-22:15

Nonstop3h 20m

Colombo Bandaranaike Intl

Thu 18/6

22:55-09:30

1 stop9h 05m

฿13,077

BangkokColombo

BKK - CMB

BKKCMB

Bangkok Suvarnabhumi

Thu 21/5

08:05-20:15

1 stop13h 40m

Colombo Bandaranaike Intl

Sat 30/5

23:05-12:50

1 stop12h 15m

฿13,077
Fastest return journey

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Sun 5/7

20:25-22:15

Nonstop3h 20m

Colombo Bandaranaike Intl

Sun 26/7

23:15-04:20

Nonstop3h 35m

฿13,173

BangkokColombo

BKK - CMB

BKKCMB

Bangkok Suvarnabhumi

Thu 21/5

07:45-09:35

Nonstop3h 20m

Colombo Bandaranaike Intl

Sat 30/5

07:35-12:45

Nonstop3h 40m

฿13,916

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Fri 17/7

20:25-22:15

Nonstop3h 20m

Colombo Bandaranaike Intl

Sat 15/8

06:30-18:10

1 stop10h 10m

฿13,916

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Fri 22/5

08:45-01:05

2 stops17h 50m

Colombo Bandaranaike Intl

Sun 31/5

23:15-04:20

Nonstop3h 35m

฿14,174

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Thu 21/5

20:25-22:15

Nonstop3h 20m

Colombo Bandaranaike Intl

Sat 30/5

06:30-19:40

2 stops11h 40m

฿14,303

BangkokColombo

BKK - CMB

BKKCMB

Bangkok Suvarnabhumi

Thu 21/5

14:35-21:55

2 stops8h 50m

Colombo Bandaranaike Intl

Sat 30/5

05:00-16:55

1 stop10h 25m

฿16,112

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Mon 8/6

11:50-01:05

1 stop14h 45m

Colombo Bandaranaike Intl

Wed 9/9

02:05-16:40

1 stop13h 05m

฿16,144

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Wed 20/5

11:50-01:05

1 stop14h 45m

Colombo Bandaranaike Intl

Sun 24/5

02:05-16:40

1 stop13h 05m

฿16,434

Flights are sorted by cheapest return flights first.

Deals found on 3/5

Showing 1-10 of 42 resultsSorted by cheapest first
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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?

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 25 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, February is the cheapest month in which you can book a flight from Bangkok to Colombo Bandaranaike Intl Airport (average of ฿4,230). Flying from Bangkok to Colombo Bandaranaike Intl Airport in April is currently the most expensive (average of ฿9,073). 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 7 May 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 71% 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 7 May 2026.

The most flights from TH1 to CMB are scheduled on a Thursday (14 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (4 on average).

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

How often are flights from Bangkok to Colombo delayed?

About 17% of weekly flights between Bangkok and Colombo have experienced delays in the past year, with the average delay time being 106 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 7% 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 7 May 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
401 reviews
Check prices

Boarding

7.9

Overall

7.9

Entertainment

6.9

Comfort

7.7

Food

7.4

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
7.9
Good
401 reviews
Thai Airways
7.9
Good
401 reviews
Check prices

Boarding

7.9

Overall

7.9

Entertainment

6.9

Comfort

7.7

Food

7.4

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
241 reviews
Thai Airways
7.9
Good
401 reviews
Check prices

Boarding

7.9

Overall

7.9

Entertainment

6.9

Comfort

7.7

Food

7.4

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
ศรีลังกาแอร์ไลน์
6.8
Okay
82 reviews
Thai Airways
7.9
Good
401 reviews
Check prices

Boarding

7.9

Overall

7.9

Entertainment

6.9

Comfort

7.7

Food

7.4

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 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 ฿13,173. 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 (฿7,965), ศรีลังกาแอร์ไลน์ (฿8,268), and Thai Airways (฿12,380) offers the cheapest pricing from Bangkok to Colombo Bandaranaike Intl Airport. Thai AirAsia is currently priced 27% 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 (฿3,316), IndiGo (฿3,901), and ศรีลังกาแอร์ไลน์ (฿5,138).

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

    Consider Thai Airways (93%), Japan Airlines (90%) or แอร์แคนาดา (87%) 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 ฿10,371, our data shows the cheapest flight currently is ฿5,783. When looking at the most popular route, (Bangkok Suvarnabhumi - Colombo Bandaranaike Intl), you can expect to pay ฿10,655 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, February is the cheapest month in which you can book a flight from Bangkok to Colombo Bandaranaike Intl Airport (average of ฿4,230). Flying from Bangkok to Colombo Bandaranaike Intl Airport in April is currently the most expensive (average of ฿9,073). 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.
Phuket City to Colombo flights
Krabi to Colombo flights
Chiang Mai 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 7 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest฿7,965Average฿9,967FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
ศรีลังกาแอร์ไลน์Cheapest฿8,268Average฿12,835FlexibilityNo cancel feeOn-time68%
Search ศรีลังกาแอร์ไลน์ flights
Thai AirwaysCheapest฿12,380Average฿14,067FlexibilityNo 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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