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Central America

$318+ Cheap flights from Islip, NY (ISP) to Central America

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 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — SJO
Mar 23 — Mar 301
Sun 3/23
Sun 3/30
1 adult, Economy
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Cheap flight deals from Islip to Central America

Keep the following information in mind while searching for Islip to Central America flight deals. Data was last updated March 18, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$710
(Mytrip)

One-way from

$318
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$342
Provider with most accurate pricing for New York (NYC)-San Salvador El Salvador Intl flight deals.
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From Islip Long Island to Central America
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One-way flight from Islip Long Island to Central America
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Highest demand for flights based on searches. 18% potential increase in price ($82 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Islip to Central America

Cheapest flights from Islip to Central America
Explore the most affordable flight options available from Islip to Central America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 18, 2025.

This Mytrip deal was found by Cheapflights users on 3/17. 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.
Fri 4/48:25 pmISP - GUA
2 stops29h 34mMultiple Airlines
Mon 4/712:56 amGUA - ISP
3 stops38h 44mMultiple Airlines
Deal found 3/17$710
This Mytrip deal was found by Cheapflights users on 3/18. 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.
Sat 4/122:35 pmISP - SJO
2 stops11h 15mMultiple Airlines
Sat 4/1911:35 amSJO - ISP
3 stops22h 41mMultiple Airlines
Deal found 3/18$995
This Southwest deal was found by Cheapflights users on 3/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/126:05 amISP - SJO
2 stops15h 35mSouthwest
Sat 4/1912:30 pmSJO - ISP
2 stops21h 20mSouthwest
Deal found 3/18$1,432

Find flights from Islip to Central America within your budget

Customize your flight search to find flights from Islip to Central America 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 18, 2025.

Fly from

Islip

Fly to

Central America

Route

Depart

Return

Price

IslipGuatemala City

ISP - GUA

ISPGUA

Islip Long Island

Fri 4/4

8:25 pm-11:59 pm

2 stops29h 34m

Guatemala City La Aurora

Mon 4/7

12:56 am-5:40 pm

3 stops38h 44m

$710

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Sat 4/12

2:35 pm-11:50 pm

2 stops11h 15m

San José Juan Santamaria Intl

Sat 4/19

11:35 am-12:16 pm

3 stops22h 41m

$995

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Sat 4/12

6:05 am-7:40 pm

2 stops15h 35m

San José Juan Santamaria Intl

Sat 4/19

12:30 pm-11:50 am

2 stops21h 20m

$1,432

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Mon 6/23

10:44 am-11:18 am

3 stops26h 34m

$318

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Sun 6/22

6:00 am-11:35 am

1 stop7h 35m

$340

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Best time to book a flight from Islip to Central America

Have a flexible travel schedule? Discover the best time to fly to Central America 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.

Travel insights for flights from Islip to Central America

Get recent, data-driven insights about flights from Islip to Central America including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Islip, New York to Central America (average of $398). Flying from Islip, New York to Central America in March is currently the most expensive (average of $555). 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.

Rainfall in Central America by month

Plan your trip to Central America by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Central America ranges from 0.0 - 13.0 inches per month. August is typically the wettest month, when rainfall can reach 13.0 in. February is typically the driest time to visit Central America when rainfall is around 0.0 in.

Temperature in Central America by month

Plan your trip to Central America by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Central America, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).

Reviews of airlines servicing Central America

Get insights into the airlines that provide service to Central America. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Central America. Reviews last updated March 18, 2025.
Southwest
8.1
Very good
4,280 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,280 reviews
Southwest
8.1
Very good
4,280 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Islip to Central America. 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 Central America?

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

  • What are the most popular routes from Islip, New York to Central America?

    The most popular route from Islip, New York to Central America is Islip Long Island - Guatemala City La Aurora. You may also consider Islip Long Island - Liberia or Islip Long Island - Belize City Philip S.W.Goldson.

  • Can I find deals for flights from Islip to Central America that include hotel bookings?

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

  • How can I find direct flights from Islip to Central America?

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

  • Can I find deals for business class flights from Islip to Central America?

    Yes. Cheapflights offers flight deals from Islip to Central America 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 Central America?

    Currently, September is the cheapest month in which you can book a flight from Islip, New York to Central America (average of $398). Flying from Islip, New York to Central America in March is currently the most expensive (average of $555). 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.

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