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$18,004+ Cheap flights from Islip, NY (ISP) to New Delhi (DEL)

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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — DEL
Dec 25 — Jan 11
Thu 12/25
Thu 1/1
1 adult, Economy
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Find flight deals from Islip to New Delhi

One-way flights from Islip to New Delhi
Search for one-way flight options from Islip to New Delhi. Find affordable one-way fares based on user searches. Data last updated November 25, 2025.

This KAYAK deal was found by Cheapflights users on 11/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/127:25 amISP - DEL
2 stops37h 35mMultiple Airlines
Deal found 11/25$18,004
This KAYAK deal was found by Cheapflights users on 11/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:40 pmISP - DEL
2 stops20h 10mMultiple Airlines
Deal found 11/25$18,209
This KAYAK deal was found by Cheapflights users on 11/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/159:59 amISP - DEL
2 stops22h 51mMultiple Airlines
Deal found 11/25$18,303

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 November 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Popular in

December

Cheapest in

September

Average price

$919
Provider with most accurate pricing for Islip Long Island-New Delhi Indira Gandhi Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Islip Long Island-New Delhi Indira Gandhi Intl flights.
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($163 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 25, 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

Fri 1/16

12:30 pm-3:00 am

2 stops28h 00m

$18,004

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

Thu 1/15

12:30 pm-3:00 am

2 stops28h 00m

$18,004

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

Wed 1/14

9:59 am-7:20 pm

2 stops22h 51m

$18,004

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

Mon 1/12

7:25 am-7:30 am

2 stops37h 35m

$18,004

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

Tue 1/13

12:30 pm-3:00 am

2 stops28h 00m

$18,004

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

Wed 12/3

12:40 pm-7:20 pm

2 stops20h 10m

$18,209

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

Sun 12/21

12:30 pm-3:00 am

2 stops28h 00m

$18,303

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

Wed 12/17

9:59 am-3:00 am

2 stops30h 31m

$18,303

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

Mon 12/22

9:59 am-7:20 pm

2 stops22h 51m

$18,303

IslipNew Delhi

ISP - DEL

ISPDEL

Islip Long Island

Sat 12/20

9:59 am-3:00 am

2 stops30h 31m

$18,303

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Showing 1-10 of 11 results
1
2
  • Most accurate provider: When it comes to deals on Islip, New York-New Delhi flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-New Delhi flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-New Delhi flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-New Delhi flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-New Delhi flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, 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 $533). Flying from Islip, New York to New Delhi in June is currently the most expensive (average of $723). 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.

  • 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, 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 $533). Flying from Islip, New York to New Delhi in June is currently the most expensive (average of $723). 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
Faridabad

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