Cheap flights from Bangkok to Sri Lanka from ฿4,845

BKK — CMB
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Bangkok to Sri Lanka

Enter your travel dates to find the best prices.

Cheapest flights from Bangkok to Sri Lanka

Mon 9/1120:05 -
Nonstop3h 25m
Sun 15/1123:00 -
Nonstop3h 25m
Deal found 2/11฿9,119
Thu 12/1120:05 -
Nonstop3h 25m
Sat 21/1123:00 -
Nonstop3h 25m
Deal found 2/11฿9,152
Mon 2/1120:05 -
Nonstop3h 25m
Sun 8/1123:00 -
Nonstop3h 25m
Deal found 1/11฿9,489
Thu 3/1220:05 -
Nonstop3h 25m
Wed 9/1223:00 -
Nonstop3h 25m
Deal found 4/11฿9,522
Sun 1/1120:05 -
Nonstop3h 25m
Sun 8/1123:00 -
Nonstop3h 25m
Deal found 31/10฿9,556
Tue 3/1120:05 -
Nonstop3h 25m
Sun 15/1123:00 -
Nonstop3h 25m
Deal found 2/11฿9,657
Mon 14/1206:50 -
1 stop22h 50m
Tue 15/1216:15 -
1 stop25h 55m
Deal found 4/11฿10,734
Sun 29/1120:40 -
1 stop20h 05m
Tue 1/1205:10 -
1 stop14h 35m
Deal found 4/11฿11,272
Mon 7/1206:50 -
1 stop22h 50m
Wed 16/1205:10 -
1 stop14h 35m
Deal found 4/11฿11,508
Tue 8/1219:25 -
1 stop10h 15m
Thu 17/1212:00 -
1 stop24h 40m
Deal found 2/11฿11,608
Fri 20/1106:50 -
1 stop10h 45m
Thu 26/1112:00 -
1 stop24h 40m
Deal found 4/11฿11,709
Mon 7/1206:50 -
1 stop22h 50m
Sun 13/1212:00 -
1 stop16h 20m
Deal found 3/11฿11,743

Find flight deals from Bangkok to Sri Lanka

Round-trip from

฿9,119

One-way from

฿4,845

Popular in

May

Cheapest in

January

Average price

฿12,988
Thai AirAsia
  • Thai AirAsia
  • 9/11-15/11
  • Nonstop
  • 6h 50m total
  • Bangkok to Sri Lanka
Thai AirAsia
  • Thai AirAsia
  • 21/1-31/12
  • Nonstop
  • 3h 25m total
  • Bangkok to Sri Lanka
Highest demand for flights based on searches. 7% potential increase in price (฿36,291 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (฿5,163 potential savings vs. average return price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Bangkok to Sri Lanka that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BangkokColombo

DMK Bangkok Don Mueang Intl - CMB Colombo Bandaranaike Intl

DMKCMB

Bangkok Don Mueang Intl

Thu 24/12

20:05-22:00

Nonstop3h 25m

Colombo Bandaranaike Intl

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿5,686

BangkokColombo

DMK Bangkok Don Mueang Intl - CMB Colombo Bandaranaike Intl

DMKCMB

Bangkok Don Mueang Intl

Thu 21/1

09:55-21:50

1 stop13h 25m

Colombo Bandaranaike Intl

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿6,326

BangkokColombo

BKK Bangkok Suvarnabhumi - CMB Colombo Bandaranaike Intl

BKKCMB

Bangkok Suvarnabhumi

Fri 19/3

14:20-00:40

1 stop11h 50m

Colombo Bandaranaike Intl

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿6,662

BangkokColombo

BKK Bangkok Suvarnabhumi - CMB Colombo Bandaranaike Intl

BKKCMB

Bangkok Suvarnabhumi

Fri 1/1

11:20-00:40

1 stop14h 50m

Colombo Bandaranaike Intl

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿6,662

BangkokColombo

BKK Bangkok Suvarnabhumi - CMB Colombo Bandaranaike Intl

BKKCMB

Bangkok Suvarnabhumi

Sat 27/2

19:35-00:40

1 stop30h 35m

Colombo Bandaranaike Intl

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿6,662

BangkokColombo

DMK Bangkok Don Mueang Intl - CMB Colombo Bandaranaike Intl

DMKCMB

Bangkok Don Mueang Intl

Sat 16/1

07:25-21:50

2 stops15h 55m

Colombo Bandaranaike Intl

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿6,898

BangkokColombo

BKK Bangkok Suvarnabhumi - CMB Colombo Bandaranaike Intl

BKKCMB

Bangkok Suvarnabhumi

Mon 15/3

16:05-10:50

1 stop20h 15m

Colombo Bandaranaike Intl

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿6,931

BangkokColombo

DMK Bangkok Don Mueang Intl - CMB Colombo Bandaranaike Intl

DMKCMB

Bangkok Don Mueang Intl

Mon 7/12

08:35-21:50

1 stop14h 45m

Colombo Bandaranaike Intl

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿7,907

BangkokColombo

DMK Bangkok Don Mueang Intl - CMB Colombo Bandaranaike Intl

DMKCMB

Bangkok Don Mueang Intl

Fri 19/3

12:05-20:45

1 stop10h 10m

Colombo Bandaranaike Intl

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿8,210

BangkokColombo

DMK Bangkok Don Mueang Intl - CMB Colombo Bandaranaike Intl

DMKCMB

Bangkok Don Mueang Intl

Sun 3/1

11:40-21:50

1 stop11h 40m

Colombo Bandaranaike Intl

Wed 31/12

00:00-01:30

Nonstop0h 00m

฿8,513

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 42 resultsSorted by cheapest first
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Best time to book a flight from Bangkok to Sri Lanka

Have a flexible travel schedule? Discover the best time to fly to Sri Lanka from Bangkok with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Bangkok to Sri Lanka

What is the cheapest month to book a flight from Bangkok to Sri Lanka?

Currently, February is the cheapest month in which you can book a flight from Bangkok to Sri Lanka (average of ฿11,003). Flying from Bangkok to Sri Lanka in May is currently the most expensive (average of ฿14,670). 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 LK?

It’s optimal to fly from Bangkok to Sri Lanka in the evening. By choosing this option you can save up to 69% on the cost of your flight, compared to a flight in the afternoon.

Weekly flight availability from Bangkok to Sri Lanka

The most flights from TH1 to LK0 are scheduled on a Tuesday (13 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).

How often are flights from Bangkok to Sri Lanka delayed?

About 15% of weekly flights between Bangkok and Sri Lanka have experienced delays in the past year, with the average delay time being 110 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening 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 Sri Lanka 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 Sri Lanka?

Booking 17 days in advance of your planned departure date is, on average, the best time to get cheap flights from Bangkok to Sri Lanka. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Sri Lanka

See what other customers who have flown with Thai Airways,Thai AirAsia, andศรีลังกาแอร์ไลน์ from Bangkok to Sri Lanka have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.9

Crew

8.5

Food

7.5

Comfort

7.7

Boarding

8.0

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Thayawat,Sep 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

Overall

7.9

Crew

8.5

Food

7.5

Comfort

7.7

Boarding

8.0

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Thayawat,Sep 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

Overall

7.9

Crew

8.5

Food

7.5

Comfort

7.7

Boarding

8.0

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Thayawat,Sep 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

Overall

7.9

Crew

8.5

Food

7.5

Comfort

7.7

Boarding

8.0

Entertainment

6.9

Reviews

1 / 20
8.0
Excellent

Thayawat,Sep 2026

SIN - BKK

Entertainment system was improved. I could not get my preferred Isle seat this time.

Related info for your journey

  • How long is the flight from Bangkok to Sri Lanka?

    There are many flights that can get you from Bangkok to Sri Lanka in 3h 25m. Fly via VietJet Air, Thai AirAsia, or Vietnam Airlines to get the fastest option. The distance from Bangkok to Sri Lanka is about 2382 km. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Bangkok to Sri Lanka one-way?

    One-way options have recently been found by users for as low as ฿3,456 on Thai AirAsia. Other airlines that offer cheap prices include ศรีลังกาแอร์ไลน์ from ฿5,444 and Thai Airways from ฿6,686 one-way.

  • What are the most popular routes from Bangkok to Sri Lanka?

  • What are the most reliable airlines from Bangkok to Sri Lanka?

    Before booking your flight to Sri Lanka from Bangkok, have a look at the most reliable airlines to get you to your destination on time: แอร์แคนาดา (92%), Japan Airlines (90%), Thai Airways( 89%).

  • What are the cheapest flights from Bangkok to Sri Lanka?

    On average you can expect to pay ฿10,492 for a flight from Bangkok to Sri Lanka. The cheapest flight overall is ฿6,138 while the most popular route, (Bangkok Suvarnabhumi - Colombo Bandaranaike Intl) is currently priced at ฿9,724.

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

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

  • How can I find direct flights from Bangkok to Sri Lanka?

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

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

    Yes. Cheapflights offers flight deals from Bangkok to Sri Lanka 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 Sri Lanka?

    Currently, February is the cheapest month in which you can book a flight from Bangkok to Sri Lanka (average of ฿11,003). Flying from Bangkok to Sri Lanka in May is currently the most expensive (average of ฿14,670). 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

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Bangkok to Sri Lanka

AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest฿8,132Average฿11,248FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
ศรีลังกาแอร์ไลน์Cheapest฿11,422Average฿14,207FlexibilityNo cancel feeOn-time68%
Search ศรีลังกาแอร์ไลน์ flights
Thai AirwaysCheapest฿12,399Average฿15,580FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

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

Certainly. Search results for flights to Sri Lanka from Bangkok shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sri Lanka from Bangkok today and book when prices fit your budget.

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