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Dominican Republic

$114+ Cheap flights from Islip, NY (ISP) to the Dominican Republic

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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — PUJ
Apr 24 — May 11
Fri 4/24
Fri 5/1
1 adult, Economy
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Cheap flight deals from Islip to Dominican Republic

Cheapest flights from Islip to Dominican Republic
Explore the most affordable flight options available from Islip to Dominican Republic. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2026.

This FlightHub deal was found by Cheapflights users on 3/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:31 pm
ISP
-
PUJ
2 stops47h 37m
Frontier
Thu 4/3012:02 pm
PUJ
-
ISP
2 stops21h 11m
Frontier
Deal found 3/24$330
This KAYAK deal was found by Cheapflights users on 3/24. 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.
Thu 5/78:59 pm
ISP
-
STI
1 stop11h 52m
JetBlue
Wed 5/138:57 am
STI
-
ISP
1 stop11h 07m
JetBlue
Deal found 3/24$361
This JetBlue deal was found by Cheapflights users on 3/22. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:59 pm
ISP
-
STI
1 stop11h 52m
JetBlue
Wed 5/137:31 am
STI
-
ISP
1 stop10h 13m
JetBlue
Deal found 3/22$365
This Frontier deal was found by Cheapflights users on 3/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:31 pm
ISP
-
PUJ
2 stops16h 01m
Frontier
Thu 4/2312:02 pm
PUJ
-
ISP
2 stops21h 11m
Frontier
Deal found 3/23$387
This CheapOair deal was found by Cheapflights users on 3/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:48 am
ISP
-
PUJ
1 stop29h 37m
Frontier
Mon 8/245:30 pm
PUJ
-
ISP
1 stop22h 26m
Frontier
Deal found 3/22$444
This KAYAK deal was found by Cheapflights users on 3/20. 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.
Sat 4/259:18 pm
ISP
-
STI
1 stop10h 44m
JetBlue
Sat 5/28:31 am
STI
-
ISP
1 stop11h 08m
JetBlue
Deal found 3/20$449
This JetBlue deal was found by Cheapflights users on 3/19. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:18 pm
ISP
-
STI
1 stop10h 44m
JetBlue
Wed 4/228:01 am
STI
-
ISP
1 stop8h 28m
JetBlue
Deal found 3/19$451
This KAYAK deal was found by Cheapflights users on 3/21. 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.
Sat 5/29:18 pm
ISP
-
STI
1 stop10h 45m
JetBlue
Fri 5/88:31 am
STI
-
ISP
1 stop11h 08m
JetBlue
Deal found 3/21$453
This Frontier deal was found by Cheapflights users on 3/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:29 pm
ISP
-
PUJ
2 stops19h 46m
Frontier
Sun 4/129:57 pm
PUJ
-
ISP
2 stops20h 52m
Frontier
Deal found 3/22$469
This Frontier deal was found by Cheapflights users on 3/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/108:09 pm
ISP
-
PUJ
2 stops17h 07m
Frontier
Sat 4/183:04 pm
PUJ
-
ISP
2 stops18h 09m
Frontier
Deal found 3/19$473
This JetBlue deal was found by Cheapflights users on 3/23. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:59 pm
ISP
-
STI
1 stop11h 52m
JetBlue
Sat 5/98:57 am
STI
-
ISP
1 stop11h 07m
JetBlue
Deal found 3/23$484
This CheapOair deal was found by Cheapflights users on 3/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3010:48 am
ISP
-
PUJ
1 stop29h 37m
Frontier
Mon 8/35:30 pm
PUJ
-
ISP
1 stop22h 26m
Frontier
Deal found 3/24$489

Find flight deals from Islip to Dominican Republic

Keep the following information in mind while searching for Islip to Dominican Republic flight deals. Data was last updated March 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$330
(FlightHub)

One-way from

$114
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$466
Provider with most accurate pricing for New York (NYC)-Punta Cana flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Punta Cana flights.
Search Deals
From Islip Long Island to Dominican Republic
Search Deals
One-way flight from Islip Long Island to Dominican Republic
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Dominican Republic 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 March 25, 2026.
Use the filters below to find and compare flights from Islip to the Dominican Republic that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipSantiago de los Caballeros

ISP - STI

ISPSTI

Islip Long Island

Thu 5/7

8:59 pm-8:51 am

1 stop11h 52m

Santiago de los Caballeros

Wed 5/13

8:57 am-8:04 pm

1 stop11h 07m

$361

IslipSantiago de los Caballeros

ISP - STI

ISPSTI

Islip Long Island

Fri 5/8

8:59 pm-8:02 am

1 stop11h 03m

Santiago de los Caballeros

Wed 5/13

8:57 am-8:04 pm

1 stop11h 07m

$361

IslipSantiago de los Caballeros

ISP - STI

ISPSTI

Islip Long Island

Wed 5/6

8:59 pm-8:51 am

1 stop11h 52m

Santiago de los Caballeros

Wed 5/13

7:31 am-5:44 pm

1 stop10h 13m

$365

IslipPunta Cana

ISP - PUJ

ISPPUJ

Islip Long Island

Mon 4/20

8:31 pm-12:32 pm

2 stops16h 01m

Punta Cana

Thu 4/23

12:02 pm-9:13 am

2 stops21h 11m

$431

IslipPunta Cana

ISP - PUJ

ISPPUJ

Islip Long Island

Mon 5/4

8:31 pm-2:24 pm

2 stops17h 53m

Punta Cana

Mon 5/11

9:29 pm-11:00 am

2 stops13h 31m

$431

IslipSantiago de los Caballeros

ISP - STI

ISPSTI

Islip Long Island

Sat 4/25

9:18 pm-8:02 am

1 stop10h 44m

Santiago de los Caballeros

Sat 5/2

8:31 am-7:39 pm

1 stop11h 08m

$449

IslipSantiago de los Caballeros

ISP - STI

ISPSTI

Islip Long Island

Sat 4/18

9:18 pm-8:02 am

1 stop10h 44m

Santiago de los Caballeros

Wed 4/22

8:01 am-4:29 pm

1 stop8h 28m

$451

IslipSantiago de los Caballeros

ISP - STI

ISPSTI

Islip Long Island

Sat 5/2

9:18 pm-8:03 am

1 stop10h 45m

Santiago de los Caballeros

Fri 5/8

8:31 am-7:39 pm

1 stop11h 08m

$453

IslipPunta Cana

ISP - PUJ

ISPPUJ

Islip Long Island

Fri 4/10

8:09 pm-1:16 pm

2 stops17h 07m

Punta Cana

Sat 4/18

3:04 pm-9:13 am

2 stops18h 09m

$473

IslipSantiago de los Caballeros

ISP - STI

ISPSTI

Islip Long Island

Fri 5/8

8:59 pm-8:02 am

1 stop11h 03m

Santiago de los Caballeros

Sat 5/16

8:57 am-8:04 pm

1 stop11h 07m

$484

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 56 resultsSorted by cheapest first
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Best time to book a flight from Islip to Dominican Republic

Have a flexible travel schedule? Discover the best time to fly to Dominican Republic 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 the Dominican Republic

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

Currently, January is the cheapest month in which you can book a flight from Islip, New York to Dominican Republic (average of $142). Flying from Islip, New York to Dominican Republic in April is currently the most expensive (average of $247). 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 Dominican Republic. 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 Islip to Dominican Republic?

    Islip Long Island (ISP) is the airport you will fly out of if you book a flight from Islip to Dominican Republic. It is only a 7.2 mi journey to Long Island (ISP) from Islip’s city center.

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

    Departing from Islip, New York to Dominican Republic will take you 11h 52m. The distance from Islip, New York to Dominican Republic is about 1484 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Islip, New York to Dominican Republic?

    The most popular route from Islip, New York to Dominican Republic is Islip Long Island - Punta Cana. You may also consider Islip Long Island - Santo Domingo Las Americas or Islip Long Island - Santiago de los Caballeros.

  • Can I find deals for flights from Islip to Dominican Republic that include hotel bookings?

    Yes. In addition to deals on Islip to Dominican Republic flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islip to Dominican Republic?

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

  • Can I find deals for business class flights from Islip to Dominican Republic?

    Yes. Cheapflights offers flight deals from Islip to Dominican Republic 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 Dominican Republic?

    Currently, January is the cheapest month in which you can book a flight from Islip, New York to Dominican Republic (average of $142). Flying from Islip, New York to Dominican Republic in April is currently the most expensive (average of $247). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Islip to Dominican Republic

See prices for flight routes from nearby airports that may be better suited for you.
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