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Cheap flights from Sri Lanka to Southeast Asia

CMB — BKK
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Sri Lanka to Southeast Asia

Keep the following information in mind while searching for Sri Lanka to Southeast Asia flight deals. Data was last updated 12 December 2025.

Popular in

April

Cheapest in

October

Average price

₹ 30,756
Highest demand for flights based on searches. 3% potential increase in price (₹ 101,616 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (₹ 42,873 potential savings vs. average return price).
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Average for round-trip flights in December 2025
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Cheapflights Insights

Everything you need to know about your flight from Sri Lanka to Southeast Asia

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

Currently, March is the cheapest month in which you can book a flight from Sri Lanka to Southeast Asia (average of ₹ 10,282). Flying from Sri Lanka to Southeast Asia in December is currently the most expensive (average of ₹ 18,670). 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 YJX?

Find hourly flight availability from Sri Lanka to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.

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

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. 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 Southeast Asia. Reviews last updated 12 December 2025.
Read reviews from past customers who have flown with IndiGo from Sri Lanka to Southeast Asia. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
IndiGo
6.8
Okay
507 reviews
Check prices

Food

6.3

Comfort

6.8

Overall

6.8

Crew

7.4

Boarding

6.9

Entertainment

5.7

Reviews

1 / 20
6.0
Good

Darnie,Jul 2025

LKO - MAA

Whole concept of low cost in flying does not make sense. There are so many paid add ons that eventually the cost is the same as the full fare airline
IndiGo
6.8
Okay
507 reviews
IndiGo
6.8
Okay
507 reviews
Check prices

Food

6.3

Comfort

6.8

Overall

6.8

Crew

7.4

Boarding

6.9

Entertainment

5.7

Reviews

1 / 20
6.0
Good

Darnie,Jul 2025

LKO - MAA

Whole concept of low cost in flying does not make sense. There are so many paid add ons that eventually the cost is the same as the full fare airline

Related info for your journey

Find useful and relevant information for your journey from Sri Lanka to Southeast Asia. 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 Sri Lanka to Southeast Asia one-way?

    For one-way options, check prices for AirAsia. According to our data, you can fly for as low as ₹ 10,316. Users have also found prices from ₹ 11,118 and ₹ 12,687 on Jetstar Asia and Thai AirAsia, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sri Lanka to Southeast Asia 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 Southeast Asia?

    Currently, March is the cheapest month in which you can book a flight from Sri Lanka to Southeast Asia (average of ₹ 10,282). Flying from Sri Lanka to Southeast Asia in December is currently the most expensive (average of ₹ 18,670). 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

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Alternative routes for Sri Lanka to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Sri Lanka to Southeast Asia

Discover the top airline that operate flights from Sri Lanka to Southeast Asia. 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 454,620 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Thai AirAsiaCheapest₹ 23,413Average₹ 30,803FlexibilityNo cancel feeOn-time87%
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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 Southeast Asia?

Cheapflights helps you search for flights from Sri Lanka to Southeast Asia via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to Southeast Asia from Sri Lanka by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Southeast Asia from Sri Lanka 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 Sri Lanka to Southeast Asia become cheaper?

Of course! You can now track prices for flights from Sri Lanka to Southeast Asia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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