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Cheap flights from Bangkok to Colombo Bandaranaike Intl Airport from ฿3,856

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 22/8. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — CMB
7 Jul — 14 Jul1
1 adult

Cheapflights Tip: The best prices from Bangkok to Colombo Bandaranaike Intl are usually found in August or November, booked 61 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap 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 2 July 2025.

Round-trip from

฿8,618

One-way from

฿3,856

Popular in

April

Cheapest in

August

Average price

฿9,364
Thai AirAsia
  • Thai AirAsia
  • 31/10-3/11
  • Nonstop
  • 6h 45m total
  • Bangkok to Colombo
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แอร์เอเชีย
  • แอร์เอเชีย
  • 22/8
  • 1 total stop
  • 13h 40m total
  • Bangkok to Colombo
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (฿52,297 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿9,458 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Bangkok to Colombo

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 2 July 2025.

Fri 31/1020:05DMK - CMB
Nonstop3h 25mThai AirAsia
Mon 3/1123:00CMB - DMK
Nonstop3h 20mThai AirAsia
Deal found 30/6฿8,618
Mon 21/710:05BKK - CMB
1 stop9h 55mIndiGo
Thu 24/703:30CMB - BKK
1 stop28h 05mIndiGo
Deal found 1/7฿9,752
Thu 4/920:20DMK - CMB
Nonstop3h 25mMultiple Airlines
Tue 30/910:40CMB - DMK
1 stop8h 40mMultiple Airlines
Deal found 30/6฿9,850
Wed 6/809:05BKK - CMB
2 stops26h 05mMultiple Airlines
Sat 16/822:55CMB - BKK
2 stops23h 15mMultiple Airlines
Deal found 1/7฿9,979
Tue 8/713:55BKK - CMB
Nonstop3h 20mศรีลังกาแอร์ไลน์
Mon 21/701:10CMB - BKK
Nonstop3h 35mศรีลังกาแอร์ไลน์
Deal found 1/7฿11,113

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 2 July 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

Fri 31/10

20:05-22:00

Nonstop3h 25m

Colombo Bandaranaike Intl

Mon 3/11

23:00-03:50

Nonstop3h 20m

฿8,618

BangkokColombo

BKK - CMB

BKKCMB

Bangkok Suvarnabhumi

Mon 21/7

10:05-18:30

1 stop9h 55m

Colombo Bandaranaike Intl

Thu 24/7

03:30-09:05

1 stop28h 05m

฿9,752

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Thu 4/9

20:20-22:15

Nonstop3h 25m

Colombo Bandaranaike Intl

Tue 30/9

10:40-20:50

1 stop8h 40m

฿9,850

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Tue 29/7

08:35-21:55

1 stop14h 50m

Colombo Bandaranaike Intl

Tue 5/8

10:40-20:50

1 stop8h 40m

฿9,979

BangkokColombo

BKK - CMB

BKKCMB

Bangkok Suvarnabhumi

Wed 6/8

09:05-09:40

2 stops26h 05m

Colombo Bandaranaike Intl

Sat 16/8

22:55-23:40

2 stops23h 15m

฿9,979

BangkokColombo

BKK - CMB

BKKCMB

Bangkok Suvarnabhumi

Mon 21/7

13:55-15:45

Nonstop3h 20m

Colombo Bandaranaike Intl

Fri 25/7

07:50-12:55

Nonstop3h 35m

฿11,437

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Fri 22/8

21:30-09:40

1 stop13h 40m

฿3,856

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Sun 3/8

20:20-22:15

Nonstop3h 25m

฿3,953

BangkokColombo

BKK - CMB

BKKCMB

Bangkok Suvarnabhumi

Sat 26/7

21:20-10:25

1 stop14h 35m

฿4,018

BangkokColombo

BKK - CMB

BKKCMB

Bangkok Suvarnabhumi

Wed 3/9

07:05-21:55

2 stops16h 20m

฿4,115

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Showing 1-10 of 14 results
1
2

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 27 June 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 61 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 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 2 July 2025.

It’s optimal to fly from Bangkok to Colombo Bandaranaike Intl Airport at midday. By choosing this option you can save up to 39% on the cost of your flight, compared to a flight in the evening.

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 2 July 2025.

The most flights from TH1 to CMB are scheduled on a Monday (11 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (6 on average).

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

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 2 July 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
7.7
Good
338 reviews
Check prices

Crew

8.3

Food

7.3

Entertainment

6.8

Overall

7.7

Comfort

7.5

Boarding

7.8

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
7.7
Good
338 reviews
Thai Airways
7.7
Good
338 reviews
Check prices

Crew

8.3

Food

7.3

Entertainment

6.8

Overall

7.7

Comfort

7.5

Boarding

7.8

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
7.5
Good
217 reviews
Thai Airways
7.7
Good
338 reviews
Check prices

Crew

8.3

Food

7.3

Entertainment

6.8

Overall

7.7

Comfort

7.5

Boarding

7.8

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
6.8
Okay
74 reviews
Thai Airways
7.7
Good
338 reviews
Check prices

Crew

8.3

Food

7.3

Entertainment

6.8

Overall

7.7

Comfort

7.5

Boarding

7.8

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.
IndiGo
6.8
Okay
478 reviews
Thai Airways
7.7
Good
338 reviews
Check prices

Crew

8.3

Food

7.3

Entertainment

6.8

Overall

7.7

Comfort

7.5

Boarding

7.8

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.
เจ็ทสตาร์ เอเชีย
6.7
Okay
58 reviews
Thai Airways
7.7
Good
338 reviews
Check prices

Crew

8.3

Food

7.3

Entertainment

6.8

Overall

7.7

Comfort

7.5

Boarding

7.8

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.

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

    According to our current data, Thai AirAsia (฿8,618), IndiGo (฿9,590), and แอร์เอเชีย (฿9,979) offers the cheapest pricing from Bangkok to Colombo Bandaranaike Intl Airport. Thai AirAsia is currently priced 14% 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 แอร์เอเชีย (฿3,856), Thai AirAsia (฿3,953), and เจ็ทสตาร์ เอเชีย (฿4,018).

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

    Consider Thai Airways (97%), Asiana Airlines (97%) or Japan Airlines (89%) 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 ฿6,782, our data shows the cheapest flight currently is ฿4,574. When looking at the most popular route, (Bangkok Suvarnabhumi - Colombo Bandaranaike Intl), you can expect to pay ฿8,618 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.

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.
Ko Samui to Colombo flights
Krabi to Colombo flights
Phuket City to Colombo flights
Chiang Mai 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 2 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest฿6,648Average฿8,821FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
ศรีลังกาแอร์ไลน์Cheapest฿8,297Average฿12,113FlexibilityNo cancel feeOn-time68%
Search ศรีลังกาแอร์ไลน์ flights
Thai AirwaysCheapest฿11,508Average฿13,565FlexibilityNo 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?

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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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