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Cheap flights from Thailand to Sri Lanka from ฿3,450

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 24/7. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — CMB
14 Mar — 21 Mar1
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 12 February 2026.

Thu 19/320:10
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Thu 26/323:00
CMB
-
DMK
Nonstop3h 25m
Thai AirAsia
Deal found 9/2฿7,522
Fri 13/320:10
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Sat 21/323:00
CMB
-
DMK
Nonstop3h 25m
Thai AirAsia
Deal found 11/2฿7,770
Fri 13/320:10
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Thu 19/302:45
CMB
-
DMK
Nonstop3h 25m
Thai AirAsia
Deal found 11/2฿7,801
Sat 14/320:10
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Sat 21/323:00
CMB
-
DMK
Nonstop3h 25m
Thai AirAsia
Deal found 12/2฿7,832
Tue 10/320:10
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Sat 21/302:45
CMB
-
DMK
Nonstop3h 25m
Thai AirAsia
Deal found 9/2฿7,864
Thu 5/320:10
DMK
-
CMB
Nonstop3h 20m
Thai AirAsia
Tue 10/302:45
CMB
-
DMK
Nonstop3h 25m
Thai AirAsia
Deal found 11/2฿7,895
Mon 29/613:30
HKT
-
CMB
1 stop13h 05m
Multiple Airlines
Sun 5/722:50
CMB
-
HKT
1 stop15h 10m
Multiple Airlines
Deal found 9/2฿8,516
Fri 13/314:25
KBV
-
CMB
1 stop8h 55m
แอร์เอเชีย
Fri 20/310:25
CMB
-
KBV
1 stop29h 30m
แอร์เอเชีย
Deal found 11/2฿9,573
Sat 28/320:00
HKT
-
CMB
1 stop7h 15m
Multiple Airlines
Sat 4/410:25
CMB
-
HKT
1 stop22h 45m
Multiple Airlines
Deal found 11/2฿9,728
Wed 11/317:05
HKT
-
CMB
1 stop18h 10m
Multiple Airlines
Tue 17/303:30
CMB
-
HKT
1 stop11h 35m
Multiple Airlines
Deal found 10/2฿9,946
Tue 3/317:05
HKT
-
CMB
1 stop17h 50m
แอร์เอเชีย
Mon 9/322:50
CMB
-
HKT
1 stop10h 30m
แอร์เอเชีย
Deal found 9/2฿9,977
Wed 11/309:20
HKT
-
CMB
1 stop14h 10m
Thai AirAsia
Tue 17/302:45
CMB
-
HKT
1 stop12h 25m
Thai AirAsia
Deal found 10/2฿10,132

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 12 February 2026.

Round-trip from

฿7,522

One-way from

฿3,450

Popular in

April

Cheapest in

June

Average price

฿10,381

Good round-trip deal

฿8,509 or less

Good one-way deal

฿5,427 or less
Thai AirAsia
  • Thai AirAsia
  • 19/3-26/3
  • Nonstop
  • 6h 45m total
  • Thailand to Sri Lanka
Search Deals
แอร์เอเชีย
  • แอร์เอเชีย
  • 24/7
  • 1 total stop
  • 13h 25m total
  • Thailand to Sri Lanka
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (฿38,768 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿7,512 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 12 February 2026.
Use the filters below to find and compare flights from Thailand to Sri Lanka that are best for you.

Fly from

Thailand

Fly to

Sri Lanka

Route

Depart

Return

Price

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Thu 12/3

20:10-22:00

Nonstop3h 20m

Colombo Bandaranaike Intl

Sat 21/3

23:00-03:55

Nonstop3h 25m

฿7,801

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Sun 15/3

20:10-22:00

Nonstop3h 20m

Colombo Bandaranaike Intl

Sat 21/3

02:45-07:40

Nonstop3h 25m

฿7,832

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Tue 10/3

23:55-01:45

Nonstop3h 20m

Colombo Bandaranaike Intl

Thu 19/3

02:45-07:40

Nonstop3h 25m

฿7,832

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Thu 5/3

20:10-22:00

Nonstop3h 20m

Colombo Bandaranaike Intl

Tue 10/3

02:45-07:40

Nonstop3h 25m

฿7,895

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Sat 28/2

23:55-01:45

Nonstop3h 20m

Colombo Bandaranaike Intl

Sat 7/3

03:45-07:40

Nonstop2h 25m

฿8,050

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Thu 14/5

20:20-22:15

Nonstop3h 25m

Colombo Bandaranaike Intl

Tue 19/5

23:15-04:15

Nonstop3h 30m

฿8,050

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Fri 13/3

20:10-22:00

Nonstop3h 20m

Colombo Bandaranaike Intl

Wed 18/3

23:00-03:55

Nonstop3h 25m

฿8,143

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Sun 15/3

20:10-22:00

Nonstop3h 20m

Colombo Bandaranaike Intl

Tue 17/3

02:45-07:40

Nonstop3h 25m

฿8,143

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Sat 14/3

23:55-01:45

Nonstop3h 20m

Colombo Bandaranaike Intl

Tue 17/3

23:00-03:55

Nonstop3h 25m

฿8,143

Phuket CityColombo

HKT - CMB

HKTCMB

Phuket City

Mon 29/6

13:30-01:05

1 stop13h 05m

Colombo Bandaranaike Intl

Sun 5/7

22:50-15:30

1 stop15h 10m

฿8,516

Flights are sorted by cheapest return flights first.

Deals found on 11/2

Showing 1-10 of 60 results
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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, April is the cheapest month in which you can book a flight from Thailand to Sri Lanka (average of ฿5,004). Flying from Thailand to Sri Lanka in July is currently the most expensive (average of ฿8,361). 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 12 February 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 at midday tend to be the most expensive. A flight in the afternoon could potentially save you up to 41% 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 12 February 2026.

The most flights from TH0 to LK0 are scheduled on a Thursday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

How often are flights from Thailand to Sri Lanka delayed?

About 16% of weekly flights between Thailand and Sri Lanka have experienced delays in the past year, with the average delay time being 105 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 9% of flights being delayed.

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 12 February 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
7.8
Good
382 reviews
Check prices

Entertainment

6.8

Food

7.4

Boarding

7.9

Crew

8.4

Overall

7.8

Comfort

7.6

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
7.8
Good
382 reviews
Thai Airways
7.8
Good
382 reviews
Check prices

Entertainment

6.8

Food

7.4

Boarding

7.9

Crew

8.4

Overall

7.8

Comfort

7.6

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
7.5
Good
234 reviews
Thai Airways
7.8
Good
382 reviews
Check prices

Entertainment

6.8

Food

7.4

Boarding

7.9

Crew

8.4

Overall

7.8

Comfort

7.6

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
79 reviews
Thai Airways
7.8
Good
382 reviews
Check prices

Entertainment

6.8

Food

7.4

Boarding

7.9

Crew

8.4

Overall

7.8

Comfort

7.6

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 3h 20m. Fly via Thai AirAsia, แอร์เอเชีย, or IndiGo to get the fastest option. The distance from Thailand to Sri Lanka is about 2382 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    To fly one-way, consider booking your trip with Thai AirAsia, which is currently one of the cheapest options available, starting at ฿3,622. ศรีลังกาแอร์ไลน์ flights start at ฿4,732 while deals on Thai Airways start at ฿5,882 one-way.

  • 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, April is the cheapest month in which you can book a flight from Thailand to Sri Lanka (average of ฿5,004). Flying from Thailand to Sri Lanka in July is currently the most expensive (average of ฿8,361). 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 12 February 2026.
AirlineCheapestAverageFlexibilityOn-time
ศรีลังกาแอร์ไลน์Cheapest฿6,469Average฿11,585FlexibilityNo cancel feeOn-time68%
Search ศรีลังกาแอร์ไลน์ flights
Thai AirAsiaCheapest฿7,889Average฿9,407FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
Thai AirwaysCheapest฿12,110Average฿13,541FlexibilityNo 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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