HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Liberia

$559+ Cheap flights from Islip (ISP) to Liberia (LIR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — LIR
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Islip to Liberia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Islip to Liberia

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Liberia (LIR). 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 September 11, 2025.

Round-trip from

$559
(Ovago)

Popular in

December

Cheapest in

October

Average price

$456
From Islip Long Island to Liberia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($78 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Islip to Liberia

Best flights from Islip to Liberia
Discover carefully curated flight deals from Islip to Liberia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

This Ovago deal was found by Cheapflights users on 9/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/106:45 pmISP - LIR
1 stop19h 10mJetBlue
Sat 1/172:00 pmLIR - ISP
1 stop20h 20mJetBlue
Deal found 9/10$559
This Southwest deal was found by Cheapflights users on 9/10. 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 1/105:45 amISP - LIR
1 stop8h 45mSouthwest
Sat 1/173:55 pmLIR - ISP
2 stops21h 40mSouthwest
Deal found 9/10$581

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Liberia 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 September 11, 2025.
Use the filters below to find and compare flights from Islip to Liberia that are best for you.

Fly from

Islip

Fly to

Liberia

Route

Depart

Return

Price

IslipLiberia

ISP - LIR

ISPLIR

Islip Long Island

Sat 1/10

6:45 pm-12:55 pm

1 stop19h 10m

Liberia

Sat 1/17

2:00 pm-11:20 am

1 stop20h 20m

$559

IslipLiberia

ISP - LIR

ISPLIR

Islip Long Island

Sat 1/10

5:45 am-1:30 pm

1 stop8h 45m

Liberia

Sat 1/17

3:55 pm-2:35 pm

2 stops21h 40m

$581

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from Islip to Liberia

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

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

Currently, October is the cheapest month in which you can book a flight from Islip to Liberia (average of $496). Flying from Islip to Liberia in March is currently the most expensive (average of $710). 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 Liberia. 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 Islip to Liberia?

    There are many flights that can get you from Islip to Liberia in 8h 45m. Fly via JetBlue or Southwest to get the fastest option. The distance between Islip and Liberia is about 2219 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to Liberia 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 to Liberia?

    Currently, October is the cheapest month in which you can book a flight from Islip to Liberia (average of $496). Flying from Islip to Liberia in March is currently the most expensive (average of $710). 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 Liberia?

Book flights to Liberia if you plan to visit one of these locations
Culebra

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 Liberia

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to San José flights
Newark to San José flights
LaGuardia to San José flights
Newark to Liberia flights
John F Kennedy Intl to Liberia flights
LaGuardia to Liberia flights
Rochester to San José flights
Buffalo to San José flights
Syracuse to San José flights
White Plains to San José flights
Buffalo to Liberia flights
Albany to San José flights
White Plains to Liberia flights
Syracuse to Liberia flights
Albany to Liberia flights
Rochester to Liberia flights
Stewart to San José flights
Islip to San José flights
Ithaca to San José flights
Elmira to San José flights
Watertown to Liberia flights
Binghamton to San José flights
Plattsburgh to San José flights
Binghamton to Liberia flights
Ithaca to Liberia flights
Niagara Falls to San José flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.