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Cheap flights from Islip to Central America from $246

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip to Central America departing on 12/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Islip to Central America

Cheap round-trip flights

Multiple Airlines Logo
9:27 pm - 11:16 amISP-GUA
14h 49m1 stop
Multiple Airlines Logo
1:59 am - 10:37 amGUA-ISP
31h 38m2 stops
$352Multiple Airlines
Find Deal
Sun, Nov 9 - Sat, Nov 15
Multiple Airlines Logo
9:27 pm - 11:16 amISP-GUA
14h 49m1 stop
Multiple Airlines Logo
1:22 pm - 8:07 pmGUA-ISP
29h 45m2 stops
$360Multiple Airlines
Find Deal
Sun, Nov 9 - Sun, Nov 16
Multiple Airlines Logo
9:27 pm - 11:16 amISP-GUA
14h 49m1 stop
Multiple Airlines Logo
12:11 pm - 10:37 amGUA-ISP
21h 26m1 stop
$420Multiple Airlines
Find Deal
Sun, Nov 9 - Sun, Nov 16
JetBlue Logo
12:10 pm - 12:55 pmISP-SJO
25h 45m1 stop
JetBlue Logo
1:55 pm - 10:00 amSJO-ISP
19h 05m1 stop
$562JetBlue
Find Deal
Sat, Feb 21 - Sat, Feb 28
JetBlue Logo
12:10 pm - 12:55 pmISP-SJO
25h 45m1 stop
JetBlue Logo
1:55 pm - 10:00 amSJO-ISP
19h 05m1 stop
$581JetBlue
Find Deal
Sat, Feb 21 - Sat, Feb 28
JetBlue Logo
7:40 pm - 8:53 amISP-SJO
14h 13m1 stop
JetBlue Logo
10:00 am - 6:44 pmSJO-ISP
7h 44m1 stop
$622JetBlue
Find Deal
Sat, Dec 20 - Sat, Dec 27
Multiple Airlines Logo
8:49 am - 1:09 pmISP-SAL
29h 20m2 stops
Multiple Airlines Logo
7:45 am - 11:04 amSAL-ISP
26h 19m1 stop
$702Multiple Airlines
Find Deal
Sun, Nov 9 - Sun, Nov 16
Frontier Logo
9:09 pm - 10:13 amISP-GUA
14h 04m1 stop
Frontier Logo
11:25 am - 8:14 pmGUA-ISP
7h 49m1 stop
$853Frontier
Find Deal
Mon, Dec 22 - Sun, Jan 4
Frontier Logo
9:09 pm - 10:13 amISP-GUA
14h 04m1 stop
Frontier Logo
11:25 am - 8:14 pmGUA-ISP
7h 49m1 stop
$870Frontier
Find Deal
Sat, Dec 20 - Sun, Jan 4
Southwest Logo
6:55 am - 1:15 pmISP-SJO
7h 20m1 stop
Southwest Logo
9:00 am - 10:05 pmSJO-ISP
12h 05m2 stops
$953Southwest
Find Deal
Fri, Dec 19 - Thu, Dec 25

JetBlue flights from Islip to Central America

Our best JetBlue deals on Islip to Central America flight tickets
JetBlue
Feb 21
ISP12:10 pmIslip Long Island
25h 45m
1 stop
SJO12:55 pmSan José Juan Santamaria Intl
Feb 28
SJO1:55 pmSan José Juan Santamaria Intl
19h 05m
1 stop
ISP10:00 amIslip Long Island
$562
Find similar
JetBlue
Feb 21
ISP12:10 pmIslip Long Island
25h 45m
1 stop
SJO12:55 pmSan José Juan Santamaria Intl
Feb 28
SJO1:55 pmSan José Juan Santamaria Intl
19h 05m
1 stop
ISP10:00 amIslip Long Island
$581
Find similar
JetBlue
Dec 20
ISP7:40 pmIslip Long Island
14h 13m
1 stop
SJO8:53 amSan José Juan Santamaria Intl
Dec 27
SJO10:00 amSan José Juan Santamaria Intl
7h 44m
1 stop
ISP6:44 pmIslip Long Island
$622
Find similar

Frontier flights from Islip to Central America

Our best Frontier deals on Islip to Central America flight tickets
Frontier
Dec 22
ISP9:09 pmIslip Long Island
14h 04m
1 stop
GUA10:13 amGuatemala City La Aurora
Jan 4
GUA11:25 amGuatemala City La Aurora
7h 49m
1 stop
ISP8:14 pmIslip Long Island
$853
Find similar
Frontier
Dec 20
ISP9:09 pmIslip Long Island
14h 04m
1 stop
GUA10:13 amGuatemala City La Aurora
Jan 4
GUA11:25 amGuatemala City La Aurora
7h 49m
1 stop
ISP8:14 pmIslip Long Island
$870
Find similar
Frontier
Dec 26
ISP9:09 pmIslip Long Island
13h 12m
1 stop
SJO9:21 amSan José Juan Santamaria Intl
Jan 3
SJO10:41 amSan José Juan Santamaria Intl
8h 33m
1 stop
ISP8:14 pmIslip Long Island
$894
Find similar

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated September 25, 2025.
Use the filters below to find and compare flights from Islip to Central America that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipGuatemala City

ISP - GUA

ISPGUA

Islip Long Island

Sun 11/9

9:27 pm-11:16 am

1 stop14h 49m

Guatemala City La Aurora

Sat 11/15

1:59 am-10:37 am

2 stops31h 38m

$352

IslipGuatemala City

ISP - GUA

ISPGUA

Islip Long Island

Sun 11/9

9:27 pm-11:16 am

1 stop14h 49m

Guatemala City La Aurora

Sun 11/16

1:22 pm-8:07 pm

2 stops29h 45m

$360

IslipGuatemala City

ISP - GUA

ISPGUA

Islip Long Island

Sun 11/9

9:27 pm-11:16 am

1 stop14h 49m

Guatemala City La Aurora

Sun 11/16

12:11 pm-10:37 am

1 stop21h 26m

$420

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Sat 2/21

12:10 pm-12:55 pm

1 stop25h 45m

San José Juan Santamaria Intl

Sat 2/28

1:55 pm-10:00 am

1 stop19h 05m

$562

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Sat 2/21

12:10 pm-12:55 pm

1 stop25h 45m

San José Juan Santamaria Intl

Sat 2/28

1:55 pm-10:00 am

1 stop19h 05m

$581

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Sat 12/20

7:40 pm-8:53 am

1 stop14h 13m

San José Juan Santamaria Intl

Sat 12/27

10:00 am-6:44 pm

1 stop7h 44m

$622

IslipSan Salvador

ISP - SAL

ISPSAL

Islip Long Island

Sun 11/9

8:49 am-1:09 pm

2 stops29h 20m

San Salvador El Salvador Intl

Sun 11/16

7:45 am-11:04 am

1 stop26h 19m

$702

IslipGuatemala City

ISP - GUA

ISPGUA

Islip Long Island

Mon 12/22

9:09 pm-10:13 am

1 stop14h 04m

Guatemala City La Aurora

Sun 1/4

11:25 am-8:14 pm

1 stop7h 49m

$853

IslipGuatemala City

ISP - GUA

ISPGUA

Islip Long Island

Sat 12/20

9:09 pm-10:13 am

1 stop14h 04m

Guatemala City La Aurora

Sun 1/4

11:25 am-8:14 pm

1 stop7h 49m

$870

IslipSan José

ISP - SJO

ISPSJO

Islip Long Island

Fri 12/19

6:55 am-1:15 pm

1 stop7h 20m

San José Juan Santamaria Intl

Thu 12/25

9:00 am-10:05 pm

2 stops12h 05m

$953

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Islip to Central America

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Islip Long Island to Central America?

JetBlue is the most popular carrier operating from Islip Long Island to Central America

What airlines fly to Central America?

Avianca, United Airlines and JetBlue are the top three most popular airlines that fly to Central America from Islip according to our data. Avianca is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Central America. Keep in mind that there are 11 different airlines that fly to Central America on a routine basis, so you have a few additional options to choose from.

Cheap Islip to Central America flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip to Central America

Direct flights

None
There are no direct flights from Islip to Central America. There are no popular flight routes from Islip to Central America.
Search flight deals

  • When did momondo last update prices for flights from Islip Long Island Airport to Central America?

    Prices for flights from Islip Long Island Airport to Central America were last updated today.

  • How old do you have to be to fly from Islip Long Island Airport to Central America?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to Central America.

  • What documentation or ID do you need to fly to Central America?

    The required travel and health documents for your Central America trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Central America. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Central America?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Islip to Central America. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Islip to Central America with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Islip to Central America flights to just show those with flexible booking policies.

How can momondo help me find flights from Islip to Central America?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Islip to Central America.

I’m not ready to book a flight from Islip to Central America right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Islip to Central America now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Central America and let you know when they change.

An easier way to manage your Central America trip

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Find better results for your trip to Central America

Popular cities in Central America

Popular flights according to clicks in the last 7 days on momondo
Flights to San José, San José Provincefrom $132
Flights to San Salvadorfrom $101
Flights to Guatemala Cityfrom $137
Flights to Panama Cityfrom $273
Flights to Managuafrom $234
Flights to Liberiafrom $232
Flights to San Pedro Sulafrom $107
Flights to Belize Cityfrom $245
Flights to Coxen Holefrom $341
Flights to Floresfrom $384
Flights to Bocas del Torofrom $636
Flights to Davidfrom $296