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Cheap flights from Bangkok to Sri Lanka from ฿3,819

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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — CMB
19 Jul — 26 Jul1
1 adult

Cheap flight deals from Bangkok to Sri Lanka

Keep the following information in mind while searching for Bangkok to Sri Lanka flight deals. Data was last updated 14 July 2025.

Round-trip from

฿8,480

One-way from

฿3,819

Popular in

April

Cheapest in

June

Average price

฿10,422
Thai AirAsia
  • Thai AirAsia
  • 7/8-15/8
  • Nonstop
  • 6h 55m total
  • Bangkok to Sri Lanka
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แอร์เอเชีย
  • แอร์เอเชีย
  • 7/8
  • 1 total stop
  • 14h 50m total
  • Bangkok to Sri Lanka
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (฿45,539 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿8,804 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 Sri Lanka

Cheapest flights from Bangkok to Sri Lanka
Explore the most affordable flight options available from Bangkok to Sri Lanka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 July 2025.

Thu 7/820:20DMK - CMB
Nonstop3h 25mThai AirAsia
Fri 15/823:15CMB - DMK
Nonstop3h 30mThai AirAsia
Deal found 11/7฿8,480
Thu 7/808:35DMK - CMB
1 stop14h 50mMultiple Airlines
Sat 16/823:15CMB - DMK
Nonstop3h 30mMultiple Airlines
Deal found 12/7฿9,548
Mon 25/807:05BKK - CMB
2 stops16h 20mMultiple Airlines
Mon 1/910:40CMB - BKK
2 stops28h 45mMultiple Airlines
Deal found 10/7฿9,678
Sat 9/810:05BKK - CMB
1 stop17h 55mIndiGo
Sat 16/819:30CMB - BKK
1 stop12h 05mIndiGo
Deal found 12/7฿9,969
Sun 10/807:45BKK - CMB
Nonstop3h 20mศรีลังกาแอร์ไลน์
Sun 17/807:50CMB - BKK
Nonstop3h 35mศรีลังกาแอร์ไลน์
Deal found 13/7฿11,134

Cheapflights Fare Finder

Customise your flight search to find flights from Bangkok 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 2025.
Use the filters below to find and compare flights from Bangkok to Sri Lanka that are best for you.

Fly from

Bangkok

Fly to

Sri Lanka

Route

Depart

Return

Price

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Thu 7/8

20:20-22:15

Nonstop3h 25m

Colombo Bandaranaike Intl

Fri 15/8

23:15-04:15

Nonstop3h 30m

฿8,480

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Thu 7/8

08:35-21:55

1 stop14h 50m

Colombo Bandaranaike Intl

Sat 16/8

23:15-04:15

Nonstop3h 30m

฿9,548

BangkokColombo

BKK - CMB

BKKCMB

Bangkok Suvarnabhumi

Mon 25/8

07:05-21:55

2 stops16h 20m

Colombo Bandaranaike Intl

Mon 1/9

10:40-16:55

2 stops28h 45m

฿9,678

BangkokColombo

BKK - CMB

BKKCMB

Bangkok Suvarnabhumi

Sat 9/8

10:05-02:30

1 stop17h 55m

Colombo Bandaranaike Intl

Sat 16/8

19:30-09:05

1 stop12h 05m

฿9,969

BangkokColombo

BKK - CMB

BKKCMB

Bangkok Suvarnabhumi

Sun 10/8

07:45-09:35

Nonstop3h 20m

Colombo Bandaranaike Intl

Sun 17/8

07:50-12:55

Nonstop3h 35m

฿11,134

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Thu 7/8

08:35-21:55

1 stop14h 50m

฿3,819

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Mon 15/9

20:20-22:15

Nonstop3h 25m

฿3,852

BangkokColombo

DMK - CMB

DMKCMB

Bangkok Don Mueang Intl

Wed 30/7

20:15-09:40

1 stop14h 55m

฿3,884

BangkokColombo

BKK - CMB

BKKCMB

Bangkok Suvarnabhumi

Wed 30/7

09:05-09:40

2 stops26h 05m

฿4,499

BangkokColombo

BKK - CMB

BKKCMB

Bangkok Suvarnabhumi

Wed 20/8

10:05-18:30

1 stop9h 55m

฿4,596

Flights are sorted by cheapest return flights first.

Deals found on 11/7

Showing 1-10 of 14 results
1
2

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
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 Sri Lanka

What is the cheapest time of day to fly from BKK to LK?

Find hourly flight availability from Bangkok 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 2025.

When flying from Bangkok to Sri Lanka, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Bangkok to Sri Lanka

Explore weekly flight availability from Bangkok 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 2025.

The most flights from TH1 to LK0 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).

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 2025.
See what other customers who have flown with Thai Airways, Thai AirAsia, andMalaysia Airlines 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.
Thai Airways
7.7
Good
336 reviews
Check prices

Comfort

7.5

Overall

7.7

Food

7.3

Entertainment

6.8

Boarding

7.8

Crew

8.3

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
336 reviews
Thai Airways
7.7
Good
336 reviews
Check prices

Comfort

7.5

Overall

7.7

Food

7.3

Entertainment

6.8

Boarding

7.8

Crew

8.3

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
219 reviews
Thai Airways
7.7
Good
336 reviews
Check prices

Comfort

7.5

Overall

7.7

Food

7.3

Entertainment

6.8

Boarding

7.8

Crew

8.3

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.
Malaysia Airlines
7.4
Good
269 reviews
Thai Airways
7.7
Good
336 reviews
Check prices

Comfort

7.5

Overall

7.7

Food

7.3

Entertainment

6.8

Boarding

7.8

Crew

8.3

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
336 reviews
Check prices

Comfort

7.5

Overall

7.7

Food

7.3

Entertainment

6.8

Boarding

7.8

Crew

8.3

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
336 reviews
Check prices

Comfort

7.5

Overall

7.7

Food

7.3

Entertainment

6.8

Boarding

7.8

Crew

8.3

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 Sri Lanka. 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 to fly from Bangkok to Sri Lanka one-way?

    One-way options have recently been found by users for as low as ฿3,819 on แอร์เอเชีย. Other airlines that offer cheap prices include Thai AirAsia from ฿3,852 and IndiGo from ฿4,596 one-way.

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

    Most travellers choose Bangkok Suvarnabhumi - Colombo Bandaranaike Intl, Bangkok Don Mueang Intl - Colombo Bandaranaike Intl or Bangkok Don Mueang Intl - Sigiriya when deciding on the best route 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: Thai Airways (97%), Asiana Airlines (97%), Japan Airlines( 89%).

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

    On average you can expect to pay ฿6,825 for a flight from Bangkok to Sri Lanka. The cheapest flight overall is ฿5,301 while the most popular route, (Bangkok Suvarnabhumi - Colombo Bandaranaike Intl) is currently priced at ฿8,480.

  • 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.

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.

Alternative routes for Bangkok to Sri Lanka

See prices for flight routes from nearby airports that may be better suited for you.
Chiang Mai to Phuket City flights

Top 3 airlines flying from Bangkok to Sri Lanka

Discover the top 3 airlines that operate flights from Bangkok 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 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest฿6,641Average฿8,985FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia flights
ศรีลังกาแอร์ไลน์Cheapest฿8,288Average฿12,101FlexibilityNo cancel feeOn-time68%
Search ศรีลังกาแอร์ไลน์ flights
Thai AirwaysCheapest฿11,496Average฿13,551FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Bangkok 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 Bangkok today with Cheapflights!

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Bangkok to Sri Lanka for you. Better yet — we are completely free to use.

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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