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Cheap flights from Islip, New York to New Delhi from ₹ 221,824

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/12. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — DEL
16 Dec — 23 Dec1
1 adult
1 adult, Economy, 0 bags

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

Wed 31/1207:00ISP - DEL
2 stops42h 50mAir India
Wed 7/110:25DEL - ISP
2 stops59h 40mAir India
Deal found 16/11₹ 221,824

Cheap flight deals from Islip to New Delhi

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to New Delhi (DEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 16 November 2025.

Round-trip from

₹ 221,824

Popular in

December

Cheapest in

September

Average price

₹ 80,857
Air India
  • Air India
  • 31/12-7/1
  • 4 total stops
  • 102h 30m total
  • Islip to New Delhi
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Highest demand for flights based on searches. 15% potential increase in price (₹ 1,260,188 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (₹ 338,327 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Islip to New Delhi 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 454,620 searches. Data last updated 16 November 2025.
Use the filters below to find and compare flights from Islip to New Delhi that are best for you.

Fly from

Islip

Fly to

New Delhi

Route

Depart

Return

Price

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

Wed 31/12

07:00-12:20

2 stops42h 50m

New Delhi Indira Gandhi Intl

Wed 7/1

10:25-11:35

2 stops59h 40m

₹ 221,824

Flights are sorted by cheapest return flights first.

Deals found on 16/11

Best time to book a flight from Islip to New Delhi

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

What is the cheapest month to book a flight from Islip, New York to New Delhi?

Currently, September is the cheapest month in which you can book a flight from Islip, New York to New Delhi (average of ₹ 47,255). Flying from Islip, New York to New Delhi in June is currently the most expensive (average of ₹ 64,278). 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.

Related info for your journey

Find useful and relevant information for your journey from Islip to New Delhi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Islip, New York to New Delhi?

    A quick flight from Islip, New York to New Delhi can take about 42h 50m. Air India provides one of the quickest options available for as low as ₹ 221,824. Islip, New York and New Delhi are separated by a distance of 11706 km.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to New Delhi 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 Islip, New York to New Delhi?

    Currently, September is the cheapest month in which you can book a flight from Islip, New York to New Delhi (average of ₹ 47,255). Flying from Islip, New York to New Delhi in June is currently the most expensive (average of ₹ 64,278). 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

Travelling to a place near New Delhi?

Book flights to New Delhi if you plan to visit one of these locations
Noida
Faridabad

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Can Cheapflights find flights from Islip to New Delhi with no change fees?

Need flexible booking options for your flight to New Delhi from Islip? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Islip to New Delhi become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to New Delhi from Islip today and book when prices fit your budget.

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