Cheap flights from New Delhi to Southeast Asia from $150

The cheapest month to fly to Southeast Asia from New Delhi is in January. Flight prices, which tend to average around $498, are often lower during this time because this is during the off-season. The month of February is another great option to travel to Southeast Asia, with average flight prices from New Delhi averaging around $555.

Our data shows that Saturday is the least expensive day to fly to Southeast Asia. Tickets to fly out on this day can be as low as $641. On the other hand, Wednesday is the most expensive day to depart from New Delhi because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $895.

In the morning is the cheapest time of day to fly from New Delhi to Southeast Asia when you can find flight prices for as low as $664. Flying to Southeast Asia in the morning is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive, with an average ticket price of $781.

Fly from New Delhi Indira Gandhi Intl to Bangkok Don Mueang Intl 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 $596 when searching weeks before you fly. 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 $510 on momondo.

There are 4 cabin classes available to choose from on New Delhi Indira Gandhi Intl 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 49% of people opting to fly with this airline when travelling to Southeast Asia. Keep in mind that there are 7 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 37 per day as of March 2026. The most frequent departure time is 09:00, with 31% of daily flights leaving at midday.

264 flights are operational weekly from New Delhi to Southeast Asia as of March 2026. The most popular departure day for this route is Fri, with 16% of flights per week taking off on this day.