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Cheap flights from Sri Lanka to Bangkok Suvarnabhumi Airport from ฿5,946

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
CMB — BKK
13 Aug — 20 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sri Lanka to Suvarnabhumi

Enter your travel dates to find the best prices.

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

Wed 30/900:35
CMB
-
BKK
1 stop17h 55m
Vietnam Airlines
Sun 11/1011:20
BKK
-
CMB
1 stop13h 45m
Vietnam Airlines
Deal found 13/7฿11,591
Sat 5/923:00
CMB
-
BKK
1 stop18h 15m
VietJet Air
Fri 11/919:55
BKK
-
CMB
1 stop27h 25m
VietJet Air
Deal found 14/7฿11,725
Sun 16/800:35
CMB
-
BKK
1 stop11h 05m
Vietnam Airlines
Fri 28/814:25
BKK
-
CMB
1 stop12h 15m
Vietnam Airlines
Deal found 14/7฿11,758
Fri 21/802:10
CMB
-
BKK
1 stop14h 50m
Vietnam Airlines
Fri 28/811:20
BKK
-
CMB
1 stop15h 20m
Vietnam Airlines
Deal found 10/7฿11,792
Fri 28/802:10
CMB
-
BKK
1 stop14h 50m
Vietnam Airlines
Sat 5/921:00
BKK
-
CMB
1 stop28h 05m
Vietnam Airlines
Deal found 10/7฿11,825
Sun 19/709:45
CMB
-
BKK
1 stop21h 10m
IndiGo
Sun 26/709:25
BKK
-
CMB
1 stop27h 35m
IndiGo
Deal found 12/7฿11,892
Wed 26/800:35
CMB
-
BKK
1 stop11h 05m
Vietnam Airlines
Sun 30/811:20
BKK
-
CMB
1 stop13h 45m
Vietnam Airlines
Deal found 11/7฿11,925
Sun 30/800:35
CMB
-
BKK
1 stop11h 05m
Vietnam Airlines
Sun 13/914:25
BKK
-
CMB
1 stop10h 40m
Vietnam Airlines
Deal found 10/7฿11,959
Fri 4/902:10
CMB
-
BKK
1 stop9h 30m
Vietnam Airlines
Fri 11/914:25
BKK
-
CMB
1 stop12h 15m
Vietnam Airlines
Deal found 12/7฿12,026
Sun 6/900:35
CMB
-
BKK
1 stop11h 05m
Vietnam Airlines
Wed 9/914:25
BKK
-
CMB
1 stop10h 40m
Vietnam Airlines
Deal found 14/7฿12,293
Fri 25/1201:55
CMB
-
BKK
1 stop9h 45m
Vietnam Airlines
Wed 6/111:20
BKK
-
CMB
1 stop15h 05m
Vietnam Airlines
Deal found 10/7฿12,326

Find flight deals from Sri Lanka to Suvarnabhumi

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

Round-trip from

฿11,591

One-way from

฿5,946

Popular in

June

Cheapest in

March

Average price

฿11,825

Good one-way deal

฿12,156 or less
Vietnam Airlines
  • Vietnam Airlines
  • 30/9-11/10
  • 2 total stops
  • 31h 40m total
  • Sri Lanka to Bangkok
Search Deals
VietJet Air
  • VietJet Air
  • 5/9
  • 1 total stop
  • 9h 35m total
  • Sri Lanka to Bangkok
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (฿64,038 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (฿10,053 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a one-way flight from Sri Lanka to Bangkok Suvarnabhumi.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sri Lanka to Suvarnabhumi 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 Sri Lanka to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Tue 1/9

00:50-20:00

1 stop17h 40m

Bangkok Suvarnabhumi

Wed 9/9

09:20-23:35

1 stop15h 45m

฿13,095

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Fri 4/9

00:50-19:00

1 stop16h 40m

Bangkok Suvarnabhumi

Fri 11/9

09:20-23:35

1 stop15h 45m

฿13,128

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sun 27/9

00:50-17:15

1 stop14h 55m

Bangkok Suvarnabhumi

Sat 3/10

09:20-23:35

1 stop15h 45m

฿13,262

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sun 23/8

00:35-10:20

1 stop8h 15m

Bangkok Suvarnabhumi

Fri 28/8

11:20-01:10

1 stop15h 20m

฿13,963

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Thu 3/9

00:50-20:00

1 stop17h 40m

Bangkok Suvarnabhumi

Thu 10/9

20:15-10:45

1 stop16h 00m

฿14,063

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Thu 13/8

00:50-19:00

1 stop16h 40m

Bangkok Suvarnabhumi

Sun 30/8

15:30-10:45

1 stop20h 45m

฿16,869

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Sun 27/9

00:35-17:05

2 stops15h 00m

Bangkok Suvarnabhumi

Sat 3/10

22:15-23:35

2 stops26h 50m

฿21,880

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Fri 4/9

02:10-17:05

2 stops13h 25m

Bangkok Suvarnabhumi

Fri 11/9

11:55-01:10

2 stops14h 45m

฿21,913

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Tue 1/9

23:00-13:00

2 stops36h 30m

Bangkok Suvarnabhumi

Sat 5/9

11:30-21:50

1 stop11h 50m

฿22,715
Fastest return journey

ColomboBangkok

CMB - BKK

CMBBKK

Colombo Bandaranaike Intl

Thu 30/7

00:05-13:25

1 stop11h 50m

Bangkok Suvarnabhumi

Sun 23/8

17:15-22:55

1 stop7h 10m

฿23,383

Flights are sorted by cheapest return flights first.

Deals found on 14/7

Showing 1-10 of 23 resultsSorted by cheapest first
1
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Best time to book a flight from Sri Lanka to Suvarnabhumi

Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi from Sri Lanka 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 Sri Lanka to Bangkok Suvarnabhumi Airport

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

Currently, April is the cheapest month in which you can book a flight from Sri Lanka to Bangkok Suvarnabhumi Airport (average of ฿3,240). Flying from Sri Lanka to Bangkok Suvarnabhumi Airport in June is currently the most expensive (average of ฿6,982). 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 LK to BKK?

Find hourly flight availability from Sri Lanka to Suvarnabhumi. 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.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Sri Lanka to Bangkok Suvarnabhumi Airport as you normally would.

Weekly flight availability from Sri Lanka to Bangkok Suvarnabhumi Airport

Explore weekly flight availability from Sri Lanka to Suvarnabhumi. 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 LK0 to BKK are scheduled on a Monday (13 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).

How often are flights from Sri Lanka to Bangkok delayed?

About 8% of weekly flights between Sri Lanka and Bangkok have experienced delays in the past year, with the average delay time being 112 minutes.

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

Historically, flights departing at night 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 Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Sri Lanka to Bangkok flights?

Over the past year, Thai Airways have had the lowest number of delays on this route, with just 5% of flights being delayed.

How far ahead should I book a flight from Sri Lanka to Bangkok Suvarnabhumi Airport?

Booking 89 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sri Lanka to Bangkok Suvarnabhumi Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Suvarnabhumi

Get insights into the airlines that provide service to Suvarnabhumi. 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 Suvarnabhumi. Reviews last updated 14 July 2026.
Read reviews from past customers who have flown with Thai AirAsia from Sri Lanka to Bangkok Suvarnabhumi Airport. 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 AirAsia
7.4
Good
244 reviews
Check prices

Boarding

7.3

Food

6.2

Crew

7.9

Comfort

6.8

Entertainment

5.5

Overall

7.4

Reviews

1 / 5
8.0
Excellent

marc,Nov 2025

DMK - DAD

Upon check in they wanted to charge me extra for extra 1 kilo Poor challenge. You advertise to get people on your airline then you challenge them Wrong move
Thai AirAsia
7.4
Good
244 reviews
Thai AirAsia
7.4
Good
244 reviews
Check prices

Boarding

7.3

Food

6.2

Crew

7.9

Comfort

6.8

Entertainment

5.5

Overall

7.4

Reviews

1 / 5
8.0
Excellent

marc,Nov 2025

DMK - DAD

Upon check in they wanted to charge me extra for extra 1 kilo Poor challenge. You advertise to get people on your airline then you challenge them Wrong move

Related info for your journey

Find useful and relevant information for your journey from Sri Lanka to Suvarnabhumi. 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 Sri Lanka to Bangkok Suvarnabhumi Airport?

    Airlines like Singapore Airlines and Vietnam Airlines fly from Sri Lanka to Bangkok Suvarnabhumi Airport in about 8h 15m. The time it takes to get you to your destination can typically vary by up to 9h 25m. Airlines will cover a distance of 2391 km. Both multi-stop and direct flights can be found to your destination and back.

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

    No one likes to see their flight delayed. When booking a flight from Sri Lanka to Bangkok Suvarnabhumi Airport consider choosing แอร์แคนาดา(98%), Thai Airways(98%) or Asiana Airlines(98%), as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from Sri Lanka to Bangkok Suvarnabhumi Airport is generally ฿19,032, our data shows the cheapest flight currently is ฿12,151. When looking at the most popular route, (Colombo Bandaranaike Intl - Bangkok Suvarnabhumi), you can expect to pay ฿9,921 for that flight.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Sri Lanka to Bangkok Suvarnabhumi Airport (average of ฿3,240). Flying from Sri Lanka to Bangkok Suvarnabhumi Airport in June is currently the most expensive (average of ฿6,982). 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

Travelling to a place near Bangkok Suvarnabhumi Airport?

Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Kanchanaburi
Ko Samet
Chonburi
Cha-am
Ayutthaya
Sattahip
Pak Chong
Ko Lan

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Sri Lanka to Suvarnabhumi

Discover the top airline that operate flights from Sri Lanka to Suvarnabhumi. 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฿5,446Average฿9,519FlexibilityNo cancel feeOn-time87%
Search Thai AirAsia 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 Sri Lanka to Suvarnabhumi?

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 Suvarnabhumi from Sri Lanka today with Cheapflights!

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

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

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

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

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

Not ready to book yet? You can track prices for flights from Sri Lanka to Suvarnabhumi on Cheapflights with our Price Alert feature and get notified when better prices are available.

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