New Delhi

$1,289+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — DEL
Aug 25 — Sep 11
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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 August 20, 2025.

Round-trip from

$1,289
(oojo)

Popular in

December

Cheapest in

September

Average price

$890
From Islip Long Island to New Delhi Indira Gandhi Intl
Highest demand for flights based on searches. 16% potential increase in price ($172 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($51 potential savings vs. average RT price).
Average for round-trip flights in August 2025

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 August 20, 2025.

This oojo deal was found by Cheapflights users on 8/18. 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.
Thu 10/25:04 pmISP - DEL
2 stops35h 06mAir India
Wed 10/83:40 amDEL - ISP
2 stops40h 40mAir India
Deal found 8/18$1,289
This Mytrip deal was found by Cheapflights users on 8/18. 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.
Thu 10/22:19 pmISP - DEL
3 stops25h 31mMultiple Airlines
Thu 10/92:15 pmDEL - ISP
3 stops39h 16mMultiple Airlines
Deal found 8/18$3,021

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 August 20, 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

Thu 10/2

5:04 pm-1:40 pm

2 stops35h 06m

New Delhi Indira Gandhi Intl

Wed 10/8

3:40 am-10:50 am

2 stops40h 40m

$1,289

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

Thu 10/2

2:19 pm-1:20 am

3 stops25h 31m

New Delhi Indira Gandhi Intl

Thu 10/9

2:15 pm-8:01 pm

3 stops39h 16m

$3,021

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

Sun 11/16

11:53 am-2:10 pm

2 stops39h 47m

$16,152

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

Sat 11/22

11:53 am-3:00 am

2 stops28h 37m

$16,152

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

Thu 11/20

11:53 am-3:00 am

2 stops28h 37m

$16,152

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

Mon 11/17

7:30 am-2:10 pm

2 stops44h 10m

$16,152

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

Tue 11/18

11:53 am-2:10 pm

2 stops39h 47m

$16,152

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

Wed 11/19

11:53 am-7:20 pm

2 stops20h 57m

$16,152

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

Fri 11/21

11:53 am-7:30 am

2 stops33h 07m

$16,152

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

Thu 1/8

7:30 am-7:20 pm

2 stops25h 20m

$16,153

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 13 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 $781). 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 35h 06m. 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 $781). 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?

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Noida
Faridabad

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