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Islip

$426+ Cheap flights from Liberia (LIR) to Islip, NY (ISP)

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 3/29. Fares are subject to change and may not be available on all flights or dates of travel.
LIR — ISP
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
1 adult, Economy
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Cheap flight deals from Liberia to Islip

Cheapest flights from Liberia to Islip
Explore the most affordable flight options available from Liberia to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.

This JetBlue deal was found by Cheapflights users on 2/15. 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 4/11:00 pm
LIR
-
ISP
1 stop7h 35m
JetBlue
Wed 4/87:00 am
ISP
-
LIR
1 stop6h 55m
JetBlue
Deal found 2/15$777

Find flight deals from Liberia to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Liberia (LIR) to Islip (ISP). 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 February 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$777
(JetBlue)

One-way from

$426
(JetBlue)

Popular in

June

Cheapest in

November

Average price

$393
Provider with most accurate pricing for Liberia-New York (NYC) flight deals.
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Provider most trusted by Cheapflights users for Liberia-New York (NYC) flights.
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From Liberia to Islip Long Island
Search Deals
One-way flight from Liberia to Islip Long Island
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in February 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Liberia to Islip 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 February 18, 2026.
Use the filters below to find and compare flights from Liberia to Islip that are best for you.

Fly from

Liberia

Fly to

Islip

Route

Depart

Return

Price

LiberiaIslip

LIR - ISP

LIRISP

Liberia

Wed 4/1

1:00 pm-10:35 pm

1 stop7h 35m

Islip Long Island

Wed 4/8

7:00 am-11:55 am

1 stop6h 55m

$777

LiberiaIslip

LIR - ISP

LIRISP

Liberia

Sun 3/29

11:40 am-12:02 am

1 stop10h 22m

$426

LiberiaIslip

LIR - ISP

LIRISP

Liberia

Sat 3/21

10:20 am-11:47 pm

1 stop11h 27m

$1,200

LiberiaIslip

LIR - ISP

LIRISP

Liberia

Sun 3/22

11:15 am-11:46 pm

1 stop10h 31m

$1,382

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Best time to book a flight from Liberia to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Liberia 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 Liberia to Islip

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

Currently, February is the cheapest month in which you can book a flight from Liberia to Islip, New York (average of $153). Flying from Liberia to Islip, New York in August is currently the most expensive (average of $231). 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 Liberia to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Departing from Liberia to Islip, New York will take you 7h 35m. Airlines will cover a distance of 2219 mi.

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

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

  • How can I find direct flights from Liberia to Islip?

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

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

    Yes. Cheapflights offers flight deals from Liberia to Islip 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 Liberia to Islip, New York?

    Currently, February is the cheapest month in which you can book a flight from Liberia to Islip, New York (average of $153). Flying from Liberia to Islip, New York in August is currently the most expensive (average of $231). 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 Islip?

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Riverhead

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