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Cheap flights from New Delhi to Southeast Asia from S$ 145

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 8-10. Fares are subject to change and may not be available on all flights or dates of travel.
DEL — BKK
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheap flight deals from New Delhi to Southeast Asia

Keep the following information in mind while searching for New Delhi to Southeast Asia flight deals. Data was last updated 16 September 2025.

Round-trip from

S$ 283

One-way from

S$ 145

Popular in

December

Cheapest in

July

Average price

S$ 346
Air India
  • Air India
  • 15-10-14-1
  • Nonstop
  • 11h 40m total
  • New Delhi to Southeast Asia
Search Deals
IndiGo
  • IndiGo
  • 8-10
  • Nonstop
  • 6h 10m total
  • New Delhi to Southeast Asia
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (S$ 72 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (S$ 11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from New Delhi to Southeast Asia

Cheapest flights from New Delhi to Southeast Asia
Explore the most affordable flight options available from New Delhi to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Wed 15-1010:55DEL - SIN
Nonstop6h 05mAir India
Wed 14-108:30SIN - DEL
Nonstop5h 35mAir India
Deal found 15-9S$ 283
Fri 17-1010:55DEL - SIN
Nonstop6h 05mAir India
Wed 14-108:30SIN - DEL
Nonstop5h 35mAir India
Deal found 15-9S$ 287
Mon 22-910:55DEL - SIN
Nonstop6h 05mAir India
Wed 24-908:45SIN - DEL
Nonstop5h 35mAir India
Deal found 15-9S$ 295
Wed 24-910:55DEL - SIN
Nonstop6h 05mAir India
Tue 30-908:45SIN - DEL
Nonstop5h 35mAir India
Deal found 14-9S$ 296
Tue 16-910:55DEL - SIN
Nonstop6h 05mAir India
Tue 23-908:45SIN - DEL
Nonstop5h 35mAir India
Deal found 15-9S$ 297
Sat 20-910:55DEL - SIN
Nonstop6h 05mAir India
Mon 22-923:00SIN - DEL
Nonstop5h 50mAir India
Deal found 14-9S$ 300
Sat 11-1005:15DEL - SIN
1 stop11h 10mSriLankan Airlines
Fri 24-1009:45SIN - DEL
1 stop10h 30mSriLankan Airlines
Deal found 14-9S$ 305
Fri 3-1009:05DEL - SIN
Nonstop6h 10mMultiple Airlines
Fri 10-1007:55SIN - DEL
1 stop16h 40mMultiple Airlines
Deal found 14-9S$ 310
Thu 18-910:55DEL - SIN
Nonstop6h 05mAir India
Wed 24-908:45SIN - DEL
Nonstop5h 35mAir India
Deal found 15-9S$ 313
Thu 16-1009:05DEL - SIN
Nonstop6h 10mMultiple Airlines
Sun 2-1108:55SIN - DEL
1 stop15h 45mMultiple Airlines
Deal found 14-9S$ 314
Thu 25-910:55DEL - SIN
Nonstop6h 05mAir India
Tue 30-908:45SIN - DEL
Nonstop5h 35mAir India
Deal found 14-9S$ 316

Cheapflights Fare Finder

 
Customise your flight search to find flights from New Delhi to Southeast Asia 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 200,618 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from New Delhi to Southeast Asia that are best for you.

Fly from

New Delhi

Fly to

Southeast Asia

Route

Depart

Return

Price

New DelhiSingapore

DEL - SIN

DELSIN

New Delhi Indira Gandhi Intl

Mon 22-9

23:20-10:50

1 stop9h 00m

Singapore Changi

Wed 24-9

16:10-22:05

1 stop8h 25m

S$ 322

New DelhiSingapore

DEL - SIN

DELSIN

New Delhi Indira Gandhi Intl

Mon 10-11

05:10-08:10

1 stop24h 30m

Singapore Changi

Fri 14-11

09:40-04:10

1 stop21h 00m

S$ 345

New DelhiSingapore

DEL - SIN

DELSIN

New Delhi Indira Gandhi Intl

Sun 21-9

18:45-18:55

1 stop21h 40m

Singapore Changi

Tue 23-9

20:10-04:15

1 stop10h 35m

S$ 346

New DelhiSingapore

DEL - SIN

DELSIN

New Delhi Indira Gandhi Intl

Sun 21-9

12:30-00:20

1 stop9h 20m

Singapore Changi

Tue 23-9

20:30-23:55

Nonstop5h 55m

S$ 366

New DelhiSingapore

DEL - SIN

DELSIN

New Delhi Indira Gandhi Intl

Thu 6-11

12:55-21:45

Nonstop6h 20m

Singapore Changi

Mon 10-11

08:30-11:35

Nonstop5h 35m

S$ 383

New DelhiSingapore

DEL - SIN

DELSIN

New Delhi Indira Gandhi Intl

Sun 21-9

17:05-14:05

1 stop18h 30m

Singapore Changi

Sun 28-9

04:55-16:05

1 stop13h 40m

S$ 392

New DelhiSingapore

DEL - SIN

DELSIN

New Delhi Indira Gandhi Intl

Tue 14-10

23:35-17:25

1 stop15h 20m

Singapore Changi

Fri 9-1

20:45-22:05

1 stop27h 50m

S$ 414

New DelhiSingapore

DEL - SIN

DELSIN

New Delhi Indira Gandhi Intl

Wed 29-10

23:30-12:25

1 stop10h 25m

Singapore Changi

Tue 4-11

13:15-22:05

1 stop11h 20m

S$ 439

New DelhiSingapore

DEL - SIN

DELSIN

New Delhi Indira Gandhi Intl

Thu 30-10

23:35-12:15

1 stop10h 10m

Singapore Changi

Fri 7-11

18:25-22:05

1 stop30h 10m

S$ 439

New DelhiSingapore

DEL - SIN

DELSIN

New Delhi Indira Gandhi Intl

Mon 27-10

23:30-12:25

1 stop10h 25m

Singapore Changi

Thu 6-11

13:15-22:05

1 stop11h 20m

S$ 439

Flights are sorted by cheapest return flights first.

Deals found on 15-9

Showing 1-10 of 20 results
1
2

Best time to book a flight from New Delhi to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from New Delhi 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 New Delhi to Southeast Asia

What is the cheapest month to book a flight from New Delhi to Southeast Asia?

Currently, January is the cheapest month in which you can book a flight from New Delhi to Southeast Asia (average of S$ 134). Flying from New Delhi to Southeast Asia in December is currently the most expensive (average of S$ 240). 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 DEL to YJX?

Find hourly flight availability from New Delhi 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 16 September 2025.

When flying from New Delhi to Southeast Asia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from New Delhi to Southeast Asia

Explore weekly flight availability from New Delhi to Southeast Asia. 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 16 September 2025.

The most flights from DEL to zzYJX are scheduled on a Saturday (14 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (10 on average).

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 16 September 2025.
Read through reviews of airlines operating flights from New Delhi to Southeast Asia, such as Singapore Airlines, IndiGo, andAir India. 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.
Singapore Airlines
8.1
Very Good
1,365 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.7

Entertainment

8.0

Overall

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very Good
1,365 reviews
Singapore Airlines
8.1
Very Good
1,365 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.7

Entertainment

8.0

Overall

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
IndiGo
6.9
Okay
484 reviews
Singapore Airlines
8.1
Very Good
1,365 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.7

Entertainment

8.0

Overall

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Air India
5.5
Fair
2,930 reviews
Singapore Airlines
8.1
Very Good
1,365 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.7

Entertainment

8.0

Overall

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Related info for your journey

Find useful and relevant information for your journey from New Delhi 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 airport do you fly from for flights from New Delhi to Southeast Asia?

    If you book a flight to Southeast Asia from New Delhi, you will be flying from Indira Gandhi Intl, which is the city’s only airport. New Delhi Indira Gandhi Intl (DEL) is located 12.5 km from the centre of New Delhi.

  • How long is the flight from New Delhi to Southeast Asia?

    Departing from New Delhi to Southeast Asia will take you 6h 20m. New Delhi and Southeast Asia are separated by a distance of 4155 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most reliable airlines from New Delhi to Southeast Asia?

    The top 3 most reliable airlines when flying from New Delhi to Southeast Asia are Air Canada (100%), Thai Airways (93%) and ANA (91%).

  • What are the cheapest flights from New Delhi to Southeast Asia?

    Looking at all options, your cheapest flight can be booked for S$ 708. While the most popular route (New Delhi Indira Gandhi Intl - Singapore Changi) can be booked for S$ 295 on average, our data indicates S$ 708 when flying from New Delhi to Southeast Asia.

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

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

  • How can I find direct flights from New Delhi to Southeast Asia?

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

  • Can I find deals for business class flights from New Delhi to Southeast Asia?

    Yes. Cheapflights offers flight deals from New Delhi 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 New Delhi to Southeast Asia?

    Currently, January is the cheapest month in which you can book a flight from New Delhi to Southeast Asia (average of S$ 134). Flying from New Delhi to Southeast Asia in December is currently the most expensive (average of S$ 240). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for New Delhi to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
New Delhi to Singapore flights

Top 3 airlines flying from New Delhi to Southeast Asia

Discover the top 3 airlines that operate flights from New Delhi 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 200,618 searches. Data last updated 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
IndiGoCheapestS$ 272AverageS$ 357FlexibilityNo cancel feeOn-time80%
Search IndiGo flights
Air IndiaCheapestS$ 272AverageS$ 355FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Singapore AirlinesCheapestS$ 317AverageS$ 379FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

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How does Cheapflights help users find flights from New Delhi to Southeast Asia?

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

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