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฿5,348+ Cheap flights to Sri Lanka

— CMB
28 Sep — 5 Oct1
1 adult
1 adult, Economy, 0 bags

Flights to Sri Lanka in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Sri Lanka

Fri 18/920:25 -
Nonstop3h 20m
Fri 25/923:15 -
Nonstop3h 35m
Deal found 24/8฿10,497
Mon 7/920:25 -
Nonstop3h 20m
Mon 14/923:15 -
Nonstop3h 35m
Deal found 26/8฿10,827
Mon 14/920:25 -
Nonstop3h 20m
Sun 20/923:15 -
Nonstop3h 35m
Deal found 26/8฿10,893
Mon 7/920:25 -
Nonstop3h 20m
Sun 13/923:15 -
Nonstop3h 35m
Deal found 28/8฿10,926
Thu 19/1120:10 -
Nonstop3h 20m
Wed 25/1123:10 -
Nonstop3h 25m
Deal found 26/8฿11,058
Wed 18/1120:10 -
Nonstop3h 20m
Wed 25/1123:10 -
Nonstop3h 25m
Deal found 26/8฿11,124

Find flight deals to Sri Lanka

Return from

฿10,497

One-way from

฿5,348

Popular in

May

Cheapest in

November

Average price

฿12,214
Thai AirAsia
  • Thai AirAsia
  • 18/9-25/9
  • Nonstop
  • 6h 55m total
  • Bangkok to Colombo
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VietJet Air
  • VietJet Air
  • 30/9
  • 1 total stop
  • 27h 25m total
  • Bangkok to Sri Lanka
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Highest demand for flights based on searches. 12% potential increase in price (฿1,766 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (฿206 potential savings vs. average return price).
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Average for return flights in August 2026
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Cheapflights Fare Finder

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

Fly from

Route

Depart

Return

Price

Cheapest return flight

BangkokColombo

BKK Bangkok Suvarnabhumi - CMB Colombo Bandaranaike Intl

BKKCMB

Bangkok Suvarnabhumi

Sat 14/11

20:50-00:40

1 stop29h 20m

Colombo Bandaranaike Intl

Fri 27/11

01:55-19:45

1 stop16h 20m

฿12,544

BangkokColombo

BKK Bangkok Suvarnabhumi - CMB Colombo Bandaranaike Intl

BKKCMB

Bangkok Suvarnabhumi

Tue 26/1

19:35-00:55

1 stop30h 50m

Colombo Bandaranaike Intl

Wed 24/2

01:55-13:10

1 stop9h 45m

฿12,577

BangkokColombo

BKK Bangkok Suvarnabhumi - CMB Colombo Bandaranaike Intl

BKKCMB

Bangkok Suvarnabhumi

Tue 19/1

19:35-00:55

1 stop30h 50m

Colombo Bandaranaike Intl

Sun 28/2

01:55-18:30

1 stop15h 05m

฿12,577

BangkokColombo

BKK Bangkok Suvarnabhumi - CMB Colombo Bandaranaike Intl

BKKCMB

Bangkok Suvarnabhumi

Fri 29/1

11:20-00:55

1 stop15h 05m

Colombo Bandaranaike Intl

Sun 21/2

01:55-18:30

1 stop15h 05m

฿12,577
Fastest return journey

BangkokColombo

BKK Bangkok Suvarnabhumi - CMB Colombo Bandaranaike Intl

BKKCMB

Bangkok Suvarnabhumi

Sat 26/9

21:40-23:55

Nonstop3h 45m

Colombo Bandaranaike Intl

Fri 2/10

00:55-06:10

Nonstop3h 45m

฿12,874

BangkokColombo

BKK Bangkok Suvarnabhumi - CMB Colombo Bandaranaike Intl

BKKCMB

Bangkok Suvarnabhumi

Sun 13/12

14:20-00:40

1 stop11h 50m

Colombo Bandaranaike Intl

Wed 27/1

01:55-18:30

1 stop15h 05m

฿13,930

BangkokColombo

DMK Bangkok Don Mueang Intl - CMB Colombo Bandaranaike Intl

DMKCMB

Bangkok Don Mueang Intl

Wed 7/10

09:15-20:45

1 stop13h 00m

Colombo Bandaranaike Intl

Fri 9/10

21:45-16:40

1 stop17h 25m

฿14,326

BangkokColombo

DMK Bangkok Don Mueang Intl - CMB Colombo Bandaranaike Intl

DMKCMB

Bangkok Don Mueang Intl

Sat 26/9

13:40-21:50

1 stop9h 40m

Colombo Bandaranaike Intl

Sat 3/10

22:55-17:35

2 stops17h 10m

฿14,359

BangkokColombo

BKK Bangkok Suvarnabhumi - CMB Colombo Bandaranaike Intl

BKKCMB

Bangkok Suvarnabhumi

Wed 28/10

14:15-23:35

1 stop10h 50m

Colombo Bandaranaike Intl

Sun 1/11

11:20-13:25

1 stop24h 35m

฿15,548

BangkokColombo

BKK Bangkok Suvarnabhumi - CMB Colombo Bandaranaike Intl

BKKCMB

Bangkok Suvarnabhumi

Tue 26/1

14:00-22:05

1 stop9h 35m

Colombo Bandaranaike Intl

Tue 23/2

23:05-14:55

1 stop14h 20m

฿15,746

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Showing 1-10 of 24 resultsSorted by cheapest first
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Best time to book a flight to Sri Lanka

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

Cheapflights Insights

Everything you need to know about your flight to Sri Lanka

How long is the flight to Sri Lanka?

On average, a flight from Bangkok to Sri Lanka takes 11 hours 28 minutes. Flights to Sri Lanka from other popular cities in Thailand will vary in length. Below are a few examples of popular routes and their flight times.

Weekly flight availability to Sri Lanka

The most flights from Bangkok to Sri Lanka are scheduled on a Thursday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (7 on average).

What are the most popular airlines that fly to Sri Lanka?

The most popular airlines flying from Bangkok to Sri Lanka are Thai AirAsia, ศรีลังกาแอร์ไลน์ and Thai Airways.

Thai AirAsia
Thai AirAsia
From ฿7,977
ศรีลังกาแอร์ไลน์
ศรีลังกาแอร์ไลน์
From ฿11,205
Thai Airways
Thai Airways
From ฿12,892

What are the cheapest airlines that fly to Sri Lanka?

The cheapest airlines flying from Bangkok to Sri Lanka are Thai AirAsia, ศรีลังกาแอร์ไลน์ and Thai Airways.

Rainfall in Sri Lanka by month

In terms of precipitation, rainfall in Sri Lanka ranges from 60.0 - 350.0 mm per month. October is typically the wettest month, when rainfall can reach 350.0 mm. February is typically the driest time to visit Sri Lanka when rainfall is around 60.0 mm.

Temperature in Sri Lanka by month

If weather is an important factor for your trip to Sri Lanka, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

When is the best time to book a flight to Sri Lanka?

To ensure you get the cheapest price possible for a flight to Sri Lanka, you should look to book at least 17 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.

Reviews of airlines servicing Sri Lanka

Read through reviews of airlines serving Sri Lanka, such as Thai Airways,Thai AirAsia, andศรีลังกาแอร์ไลน์. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Thai Airways
7.9
Good
417 reviews
Check prices

Overall

7.9

Food

7.5

Comfort

7.7

Entertainment

6.9

Boarding

8.0

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
417 reviews
Thai Airways
7.9
Good
417 reviews
Check prices

Overall

7.9

Food

7.5

Comfort

7.7

Entertainment

6.9

Boarding

8.0

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
247 reviews
Thai Airways
7.9
Good
417 reviews
Check prices

Overall

7.9

Food

7.5

Comfort

7.7

Entertainment

6.9

Boarding

8.0

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
87 reviews
Thai Airways
7.9
Good
417 reviews
Check prices

Overall

7.9

Food

7.5

Comfort

7.7

Entertainment

6.9

Boarding

8.0

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

FAQs about flying to Sri Lanka

  • Can I find cheaper flights to Sri Lanka if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Sri Lanka on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Sri Lanka?

    Based on reviews from Cheapflights users, Thai AirAsia is rated the highest out of the airlines that fly to Sri Lanka.

  • What is the cheapest airport to fly to in Sri Lanka?

    Colombo Bandaranaike Intl is currently the cheapest airport to fly to in Sri Lanka. One-way flights to Colombo Bandaranaike Intl typically cost ฿5,724, while return flights cost around ฿12,579.

  • How much is a return flight to Sri Lanka?

    A return flight to Sri Lanka will typically cost around ฿14,819, however they can be found for as little as ฿12,579.

  • Where does the fastest flight to Sri Lanka depart from?

    For those looking to save time traveling to Sri Lanka, Bangkok offers the quickest one-way flight (3 hours 20 minutes).

  • Does Colombo Bandaranaike Intl have rental cars?

    Yes. Those touching down at Colombo Bandaranaike Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Colombo Bandaranaike Intl?

    Yes. Colombo Bandaranaike Intl has hotels nearby for those requiring accommodations. Bleu Pearl in Katunayake Srilanka is the closest property to Colombo Bandaranaike Intl (0.0 km away from Colombo Bandaranaike Intl).

See more FAQs

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