Cheap flights from New Delhi to Southeast Asia from $141

The month of September is, on average, the cheapest month to fly to Southeast Asia from New Delhi, with most prices found around $275. If you don’t want to visit Southeast Asia in September, then you should wait until March to fly from New Delhi, when ticket prices are also cheap, with an average price of $296.

The cheapest day to depart from New Delhi to Southeast Asia is on a Sunday when prices can be found for as low as $287. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $679. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southeast Asia.

In the afternoon is the cheapest time of day to fly from New Delhi to Southeast Asia when you can find flight prices for as low as $207. Flying to Southeast Asia in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $320. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from New Delhi Indira Gandhi Intl to Phuket City for the best New Delhi Indira Gandhi Intl - Southeast Asia flight prices

You are more likely to see cheaper flights to Southeast Asia from New Delhi when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around $249 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Asia from New Delhi for as low as $236 on momondo.

There are 4 cabin classes available to choose from on New Delhi to Southeast Asia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

IndiGo, Vietnam Airlines, and VietJet Air are the most popular carriers operating from New Delhi Indira Gandhi Intl to Southeast Asia

Air India, IndiGo and Thai AirAsia X are the top three most popular airlines that fly to Southeast Asia from New Delhi according to our data. Air India is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Southeast Asia. Keep in mind that there are 11 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.

The number of flights available between New Delhi and Southeast Asia is 50 per day as of May 2026. The most frequent departure time is 9:00AM, with 33% of daily flights leaving at noon.

351 flights are operational weekly from New Delhi to Southeast Asia as of May 2026. The most popular departure day for this route is Fri, with 15% of flights per week taking off on this day.