Find cheap flight tickets from Sri Lanka to Southeast Asia

1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Southeast Asia

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Southeast Asia, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to Southeast Asia, as well as popular online travel agencies
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Useful Info
Useful Info

KAYAK's insights & trends for flights to Southeast Asia

Get data-powered insights and trends for flights to Southeast Asia to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest flight to Southeast Asia?

These are the best return prices found by users searching on KAYAK in the last 72 hours.

The cheapest ticket to Southeast Asia from Sri Lanka found in the last 72 hours was to Bangkok Suvarnabhumi Airport, at ₹ 449 return. The most popular route is Colombo Bandaranaike Intl Airport (CMB) to Bangkok Suvarnabhumi Airport (BKK) and the cheapest return airline ticket found on this route in the last 72 hours was ₹ 449.

What is the cheapest month to fly from Sri Lanka to Southeast Asia?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Sri Lanka to Southeast Asia, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Sri Lanka to Southeast Asia is August, when tickets cost ₹ 22,073 (return) on average. On the other hand, the most expensive months are April and February, when the average cost of round-trip tickets is ₹ 29,516 and ₹ 27,890 respectively.

How far in advance should I book a flight from Sri Lanka to Southeast Asia?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights to Southeast Asia, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below-average price on the flight from Sri Lanka to Southeast Asia, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 26 weeks before departure.

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Good to know

Low seasonMarch
High seasonAugust
Best time to beat the crowds (11% less expensive on average)
Most popular time to fly and prices are also 7% lower on average.

FAQs for booking flights from Sri Lanka to Southeast Asia

  • How does KAYAK find such low prices on flights from Sri Lanka to Southeast Asia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sri Lanka to Southeast Asia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sri Lanka to Southeast Asia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Sri Lanka to Southeast Asia is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Sri Lanka to Southeast Asia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Sri Lanka to Southeast Asia with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sri Lanka to Southeast Asia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Sri Lanka to Southeast Asia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to Southeast Asia?

    Based on KAYAK data, the cheapest day to fly to Southeast Asia is Friday when return tickets can be as cheap as ₹ 22,173. On the other hand, the most expensive day to fly is Thursday, when return prices are ₹ 48,686 on average.

  • What is the cheapest time of day to fly to Southeast Asia?

    The cheapest time of day to fly to Southeast Asia is generally at night, when round-trip flights cost ₹ 289 on average. The most expensive time of day to fly to Southeast Asia is generally in the morning, which is peak travel time and where the average cost of a ticket is ₹ 499.

Top airline flying from Sri Lanka to Southeast Asia

 
See real verified KAYAK customer reviews for airlines flying to Southeast Asia. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Sri Lanka to Southeast Asia. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Sri Lanka to Southeast Asia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
6.8
IndiGoOverall score based on 477 reviews
6.3Food
5.7Entertainment
6.9Boarding
6.8Comfort
7.4Crew
Airline reviews

Very hard seats. No food service, even though price is not competitive.

4.0 OkayAnonymous, Jun 2025BLR - DEL
Read more IndiGo reviews

Very hard seats. No food service, even though price is not competitive.

Very hard seats for long flights. No food even on International flight. Won't fly Indigo again if I can help it.

Terrible experience at IST airport due to mismanagement by ground and wheelchair staff.

Some seats don’t recline. No USB port or power outlet, no inflight WIFI - not even for SMS/Messaging apps. Ontime performance was very good. They should have at least one crew member who speaks the local language, for flights like these.

Some seats don’t recline. No USB port or power outlet, no inflight WIFI - not even for SMS/Messaging apps. Ontime performance was very good.

Although we took the XL seats with more width, we found that you do not have a seat in front to stow your personal item, nor can you stretch your legs. This is not the best option for a comfortable seat. Boarding was timely but disorganized without any row based entry.

Not professional and didn’t know about double seat even when I paid for it and have a confirmation. Lack of comms between teams.

deboarding is very poor after landing it took around 45 minutes to come out.

My baggage bag got broken and only 3000 voucher was given for compensation

Crew members forgot to serve sandwiches after serving the coffee. Worst was the handling of bag. One of wheel was Broken making it useless. Though a complaint was registered and assured of compensation voucher equal to part cost of the new bag.

Everything you need to know for your flight to Southeast Asia

Cabin class types available on flights to Southeast Asia

Cabin classes available on flights to Southeast Asia. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class Flights to Southeast Asia
Business Class Flights to Southeast Asiafrom ₹ 15,571
Prem Econ Class Flights to Southeast Asia
Economy class Flights to Southeast Asiafrom ₹ 9,154

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