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$249 Find Cheap Flights from Islip to Costa Rica - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Book Cheap Islip to Costa Rica Plane Tickets

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Islip to Costa Rica

Sat, Jan 9 - Sat, Jan 16
JetBlue Logo
6:00 am - 2:05 pmISP  Islip Long Island-LIR Liberia
9h 05m1 stop Fort Lauderdale
JetBlue Logo
3:10 pm - 9:56 pmLIR  Liberia-ISP Islip Long Island
29h 46m1 stop Fort Lauderdale
$16,686JetBlue
Sun, Feb 14 - Sat, Feb 20
JetBlue Logo
5:50 am - 1:00 pmISP  Islip Long Island-LIR Liberia
8h 10m1 stop Fort Lauderdale
JetBlue Logo
12:45 pm - 9:32 pmLIR  Liberia-ISP Islip Long Island
31h 47m2 stops New York John F Kennedy Intl Fort Lauderdale
$21,893JetBlue
Booking Insights

Price, demand and travel trends for Islip to Costa Rica flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What are the cheapest fares from Islip to Costa Rica right now?

The cheapest fare from Islip to Costa Rica in the last week was $16,686 round-trip, to Liberia (LIR).

Which airport in Costa Rica is the cheapest to fly to from Islip?

All flights from Islip to Costa Rica arrive at Liberia (LIR). On average, round-trip fares are around $611.

What's the cheapest time of day to fly from Islip to Costa Rica?

Data from the past 12 months shows it's cheapest to fly to Costa Rica during the morning with average prices of $587. The evening is the most expensive time to fly, with average prices of $1,429.

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Key details for Islip to Costa Rica flights

Cheapest flight

$249
One-way flight from Islip to Liberia

Your Islip to Costa Rica flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • Is now a good time to book a flight from Islip to Costa Rica?

    Fares from Islip to Costa Rica are above average right now, but good deals can still pop up. A round-trip fare under $560 is considered a good deal, so keep an eye on prices. You can also set a Price Alert and KAYAK will monitor flights for you.

  • What are the main airports serving Costa Rica?

    Flights to Costa Rica all arrive at Liberia (LIR).

  • What airlines fly nonstop from Islip to Costa Rica?

    Based on the flight schedule for the next 3 months, no airline regularly operates nonstop flights from Islip to Costa Rica. One-stop options include JetBlue and Southwest.

  • Which cabin classes are available on flights from Islip to Costa Rica?

    On flights from Islip to Costa Rica you can only book Economy Class.

  • What are some popular landmarks in Costa Rica?

    KAYAK travelers' favorite landmarks in Costa Rica include:

    • Parque Metropolitano La Sabana
    • Estadio Nacional de Costa Rica
    • Museo de Oro
    • Morazan Park

Your guide to booking Islip to Costa Rica flights

Get tips on when to book, when to fly and what to know before your trip.
  • Flying on Monday is usually the cheapest. Flights on Friday cost about 67% more on average, so being flexible with your travel dates could help you save.
  • Start your trip in San José, which is the most popular destination in Costa Rica. From there, it's easy to continue on to other popular destinations such as La Fortuna, Tamarindo and Manuel Antonio.

More options for your flight from Islip to Costa Rica

Complete your trip to Costa Rica with a hotel stay or car rental

Car rentals in Costa Rica
Hotels in Costa Rica
Vacations in Costa Rica