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Cheap flights from Thailand to Sri Lanka from ฿5,311

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — CMB
13 Aug — 20 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Thailand to Sri Lanka

Enter your travel dates to find the best prices.

Cheapest flights from Thailand to Sri Lanka
Explore the most affordable flight options available from Thailand to Sri Lanka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 July 2026.

Mon 13/709:25
BKK
-
CMB
1 stop8h 20m
IndiGo
Sun 19/709:45
CMB
-
BKK
1 stop21h 10m
IndiGo
Deal found 11/7฿8,117
Sat 5/920:25
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Sat 12/923:15
CMB
-
DMK
Nonstop3h 35m
Thai AirAsia
Deal found 12/7฿10,556
Wed 21/1020:25
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Tue 3/1123:10
CMB
-
DMK
Nonstop3h 25m
Thai AirAsia
Deal found 11/7฿10,589
Sat 5/920:25
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Sun 13/923:15
CMB
-
DMK
Nonstop3h 35m
Thai AirAsia
Deal found 10/7฿10,756
Fri 28/820:25
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Sat 5/923:15
CMB
-
DMK
Nonstop3h 35m
Thai AirAsia
Deal found 10/7฿10,823
Sat 5/919:30
BKK
-
CMB
1 stop29h 35m
Vietnam Airlines
Fri 11/902:10
CMB
-
BKK
1 stop30h 40m
Vietnam Airlines
Deal found 12/7฿10,856
Sat 26/919:30
BKK
-
CMB
1 stop29h 35m
Vietnam Airlines
Fri 2/1002:10
CMB
-
BKK
1 stop16h 20m
Vietnam Airlines
Deal found 11/7฿10,923
Sun 16/814:25
BKK
-
CMB
1 stop10h 40m
Vietnam Airlines
Sun 23/800:35
CMB
-
BKK
1 stop8h 15m
Vietnam Airlines
Deal found 13/7฿10,957
Fri 28/811:20
BKK
-
CMB
1 stop15h 20m
Vietnam Airlines
Fri 4/902:10
CMB
-
BKK
1 stop30h 40m
Vietnam Airlines
Deal found 9/7฿10,990
Wed 12/820:25
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Thu 27/823:15
CMB
-
DMK
Nonstop3h 35m
Thai AirAsia
Deal found 14/7฿11,090
Sun 1/1120:10
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Sun 22/1123:10
CMB
-
DMK
Nonstop3h 25m
Thai AirAsia
Deal found 12/7฿11,157
Fri 4/914:25
BKK
-
CMB
1 stop12h 15m
Vietnam Airlines
Fri 25/902:10
CMB
-
BKK
1 stop9h 30m
Vietnam Airlines
Deal found 9/7฿11,157

Find flight deals from Thailand to Sri Lanka

Keep the following information in mind while searching for Thailand to Sri Lanka flight deals. Data was last updated 14 July 2026.

Round-trip from

฿10,556

One-way from

฿5,311

Popular in

May

Cheapest in

November

Average price

฿12,159

Good round-trip deal

฿12,419 or less

Good one-way deal

฿11,657 or less
Thai AirAsia
  • Thai AirAsia
  • 5/9-12/9
  • Nonstop
  • 6h 55m total
  • Thailand to Sri Lanka
Search Deals
แอร์เอเชีย
  • แอร์เอเชีย
  • 11/11
  • 1 total stop
  • 11h 00m total
  • Thailand to Sri Lanka
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (฿66,080 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿7,877 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Thailand to Sri Lanka.
Search Deals
Price to beat on a one-way flight from Thailand to Sri Lanka.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Thailand to Sri Lanka 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 14 July 2026.
Use the filters below to find and compare flights from Thailand to Sri Lanka that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BangkokColombo

BKK - CMB

BKKCMB

Bangkok Suvarnabhumi

Sun 16/8

14:25-23:35

1 stop10h 40m

Colombo Bandaranaike Intl

Fri 28/8

02:10-18:30

1 stop14h 50m

฿11,692

Phuket CityColombo

HKT - CMB

HKTCMB

Phuket City

Thu 1/10

08:40-21:55

1 stop14h 45m

Colombo Bandaranaike Intl

Thu 8/10

22:55-16:35

1 stop16h 10m

฿12,126

Phuket CityColombo

HKT - CMB

HKTCMB

Phuket City

Tue 24/11

08:15-21:50

1 stop15h 05m

Colombo Bandaranaike Intl

Wed 25/11

22:50-16:35

1 stop16h 15m

฿12,193

Phuket CityColombo

HKT - CMB

HKTCMB

Phuket City

Thu 1/10

14:15-09:40

2 stops20h 55m

Colombo Bandaranaike Intl

Thu 8/10

22:55-15:30

1 stop15h 05m

฿13,462

Phuket CityColombo

HKT - CMB

HKTCMB

Phuket City

Tue 24/11

12:40-08:40

2 stops21h 30m

Colombo Bandaranaike Intl

Wed 25/11

22:50-16:35

1 stop16h 15m

฿13,963

Phuket CityColombo

HKT - CMB

HKTCMB

Phuket City

Mon 21/9

13:30-20:45

1 stop8h 45m

Colombo Bandaranaike Intl

Sun 27/9

23:15-10:00

1 stop9h 15m

฿14,063

Phuket CityColombo

HKT - CMB

HKTCMB

Phuket City

Thu 10/9

19:10-20:45

1 stop27h 05m

Colombo Bandaranaike Intl

Mon 14/9

21:45-18:20

1 stop19h 05m

฿14,598

BangkokColombo

BKK - CMB

BKKCMB

Bangkok Suvarnabhumi

Wed 28/10

14:15-23:35

1 stop10h 50m

Colombo Bandaranaike Intl

Fri 30/10

11:15-17:40

1 stop28h 55m

฿15,166

Phuket CityColombo

HKT - CMB

HKTCMB

Phuket City

Thu 20/8

13:35-21:55

1 stop9h 50m

Colombo Bandaranaike Intl

Wed 26/8

00:35-14:50

2 stops12h 45m

฿15,667

Phuket CityColombo

HKT - CMB

HKTCMB

Phuket City

Tue 27/10

14:10-22:05

1 stop9h 25m

Colombo Bandaranaike Intl

Thu 29/10

23:05-13:10

1 stop12h 35m

฿15,834

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Thailand to Sri Lanka

Have a flexible travel schedule? Discover the best time to fly to Sri Lanka from Thailand 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 Thailand to Sri Lanka

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

Currently, February is the cheapest month in which you can book a flight from Thailand to Sri Lanka (average of ฿4,376). Flying from Thailand to Sri Lanka in April is currently the most expensive (average of ฿9,387). 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 TH to LK?

Find hourly flight availability from Thailand to Sri Lanka. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 July 2026.

One of the essential ways to save on airfare from Thailand to Sri Lanka is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 70% on airfare.

Weekly flight availability from Thailand to Sri Lanka

Explore weekly flight availability from Thailand to Sri Lanka. 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 14 July 2026.

The most flights from TH0 to LK0 are scheduled on a Monday (14 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).

How often are flights from Thailand to Sri Lanka delayed?

About 17% of weekly flights between Thailand and Sri Lanka have experienced delays in the past year, with the average delay time being 104 minutes.

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

Booking 25 days in advance of your planned departure date is, on average, the best time to get cheap flights from Thailand 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

Get insights into the airlines that provide service to Sri Lanka. 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 Sri Lanka. Reviews last updated 14 July 2026.
See what other customers who have flown with Thai Airways,Thai AirAsia, andศรีลังกาแอร์ไลน์ from Thailand 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.
Thai Airways
7.9
Good
409 reviews
Check prices

Crew

8.4

Boarding

7.9

Food

7.4

Entertainment

6.9

Comfort

7.7

Overall

7.9

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
409 reviews
Thai Airways
7.9
Good
409 reviews
Check prices

Crew

8.4

Boarding

7.9

Food

7.4

Entertainment

6.9

Comfort

7.7

Overall

7.9

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
244 reviews
Thai Airways
7.9
Good
409 reviews
Check prices

Crew

8.4

Boarding

7.9

Food

7.4

Entertainment

6.9

Comfort

7.7

Overall

7.9

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
85 reviews
Thai Airways
7.9
Good
409 reviews
Check prices

Crew

8.4

Boarding

7.9

Food

7.4

Entertainment

6.9

Comfort

7.7

Overall

7.9

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 Thailand to Sri Lanka. 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 Thailand to Sri Lanka?

    There are many flights that can get you from Thailand to Sri Lanka in 10h 40m. Fly via Vietnam Airlines, แอร์เอเชีย, or Malaysia Airlines to get the fastest option. The distance from Thailand to Sri Lanka is about 2391 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Thailand to Sri Lanka (average of ฿4,376). Flying from Thailand to Sri Lanka in April is currently the most expensive (average of ฿9,387). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Thailand to Sri Lanka

Discover the top 3 airlines that operate flights from Thailand to Sri Lanka. 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 14 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest฿8,240Average฿10,333FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
ศรีลังกาแอร์ไลน์Cheapest฿11,339Average฿14,267FlexibilityNo cancel feeOn-time68%
Search ศรีลังกาแอร์ไลน์ flights
Thai AirwaysCheapest฿13,046Average฿14,693FlexibilityNo 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 Thailand to Sri Lanka?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Sri Lanka from Thailand today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Thailand to Sri Lanka?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Sri Lanka from Thailand.

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

Yes! Cheapflights helps users easily find flights from Thailand to Sri Lanka with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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