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$1,269+ Cheap flights from Islip (ISP) to New Delhi (DEL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — DEL
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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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 septiembre 17, 2025.

Round-trip from

$1,269
(oojo)

Popular in

December

Cheapest in

September

Average price

$660
From Islip Long Island to New Delhi Indira Gandhi Intl
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($165 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($47 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Islip to New Delhi

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 septiembre 17, 2025.

This oojo deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/11:57 pmISP - DEL
2 stops36h 53mAir India
vie. 11/72:00 amDEL - ISP
2 stops42h 25mAir India
Deal found 9/17$1,269
This Mytrip deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/17:30 amISP - DEL
2 stops35h 40mMultiple Airlines
sáb. 11/89:30 pmDEL - ISP
2 stops32h 45mMultiple Airlines
Deal found 9/17$1,525

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated septiembre 17, 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

sáb. 11/1

1:57 pm-12:20 pm

2 stops36h 53m

New Delhi Indira Gandhi Intl

vie. 11/7

2:00 am-9:55 am

2 stops42h 25m

$1,269

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

sáb. 11/1

7:30 am-4:40 am

2 stops35h 40m

New Delhi Indira Gandhi Intl

sáb. 11/8

9:30 pm-7:45 pm

2 stops32h 45m

$1,525

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

sáb. 9/27

11:53 am-2:10 pm

2 stops40h 47m

$16,429

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

mié. 9/24

11:53 am-7:55 am

2 stops34h 32m

$16,429

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

jue. 9/25

7:30 am-7:55 am

2 stops38h 55m

$16,429

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

dom. 9/28

4:33 pm-7:20 pm

2 stops41h 17m

$16,457

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

vie. 9/26

11:53 am-7:55 am

2 stops34h 32m

$16,485

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

lun. 12/1

7:30 am-7:30 am

2 stops37h 30m

$16,850

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

sáb. 11/29

7:30 am-7:20 pm

2 stops25h 20m

$16,850

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

mar. 11/25

9:59 am-3:00 am

2 stops30h 31m

$16,850

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 14 results
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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 round-trip 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 to New Delhi?

Currently, September is the cheapest month in which you can book a flight from Islip to New Delhi (average of $762). Flying from Islip to New Delhi in December is currently the most expensive (average of $1,347). 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 to New Delhi?

    Airlines like Air India fly from Islip to New Delhi in about 36h 53m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 7274 mi.

  • 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 vacation 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 to New Delhi?

    Currently, September is the cheapest month in which you can book a flight from Islip to New Delhi (average of $762). Flying from Islip to New Delhi in December is currently the most expensive (average of $1,347). 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

Traveling to a place near New Delhi?

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