$359 Cheap Flights from Lebanon (LEB) to Islip (ISP)

View $359 flight on Sat, Mar 14, 2026Opens in a new window

Popular airlines from Lebanon, NH (LEB-Lebanon Municipal) to MacArthur Airport (ISP)

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Cheap Flights from Lebanon to Islip (LEB-ISP)

Prices were available within the past 7 days and start at $359 for one-way flights and $774 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cape Air
Sat, Mar 14 - Sun, Mar 15
LEB
Lebanon
ISP
Islip
$774 Roundtrip, found 5 days ago
$774
Roundtrip
found 5 days ago
Select Cape Air flight, departing Sat, Mar 14 from Lebanon to Islip, returning Sun, Mar 15, priced at $774 found 5 days ago
Cape Air
Sat, Mar 14 - Sun, Mar 15
LEB
Lebanon
ISP
Islip
$784 Roundtrip, found 5 days ago
$784
Roundtrip
found 5 days ago
Select Cape Air flight, departing Sat, Mar 14 from Lebanon to Islip, returning Sun, Mar 15, priced at $784 found 5 days ago
Cape Air
Sat, Mar 14 - Tue, Mar 17
LEB
Lebanon
ISP
Islip
$794 Roundtrip, found 2 days ago
$794
Roundtrip
found 2 days ago
Select Cape Air flight, departing Sat, Mar 14 from Lebanon to Islip, returning Tue, Mar 17, priced at $794 found 2 days ago
Cape Air
Sat, Mar 14 - Tue, Mar 17
LEB
Lebanon
ISP
Islip
$804 Roundtrip, found 2 days ago
$804
Roundtrip
found 2 days ago
Select Cape Air flight, departing Sat, Mar 14 from Lebanon to Islip, returning Tue, Mar 17, priced at $804 found 2 days ago
Cape Air
Sat, Mar 14 - Tue, Mar 17
LEB
Lebanon
ISP
Islip
$814 Roundtrip, found 2 days ago
$814
Roundtrip
found 2 days ago
Select Cape Air flight, departing Sat, Mar 14 from Lebanon to Islip, returning Tue, Mar 17, priced at $814 found 2 days ago
Cape Air
Wed, Mar 25 - Sun, Mar 29
LEB
Lebanon
ISP
Islip
$824 Roundtrip, found 2 days ago
$824
Roundtrip
found 2 days ago
Select Cape Air flight, departing Wed, Mar 25 from Lebanon to Islip, returning Sun, Mar 29, priced at $824 found 2 days ago
Cape Air
Sat, Mar 14 - Sun, Mar 15
LEB
Lebanon
ISP
Islip
$834 Roundtrip, found 3 days ago
$834
Roundtrip
found 3 days ago
Select Cape Air flight, departing Sat, Mar 14 from Lebanon to Islip, returning Sun, Mar 15, priced at $834 found 3 days ago
Cape Air
Sat, Mar 14 - Sun, Mar 15
LEB
Lebanon
ISP
Islip
$844 Roundtrip, found 3 days ago
$844
Roundtrip
found 3 days ago
Select Cape Air flight, departing Sat, Mar 14 from Lebanon to Islip, returning Sun, Mar 15, priced at $844 found 3 days ago

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Frequently asked questions

How much does a flight from Lebanon, NH (LEB-Lebanon Municipal) to Islip, NY (ISP-MacArthur) cost?
You can find cheap one-way flights from $359 and cheap return flights from $774 Lebanon, NH (LEB-Lebanon Municipal) to Islip, NY (ISP-MacArthur) with Expedia. Roundtrip flights usually range from $674 to $804. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Lebanon, NH (LEB-Lebanon Municipal) to Islip, NY (ISP-MacArthur) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Lebanon, NH (LEB-Lebanon Municipal) to Islip, NY (ISP-MacArthur)?
The cheapest month to fly from LEB to ISP is March when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Lebanon, NH (LEB-Lebanon Municipal) to Islip, NY (ISP-MacArthur)?
Enter LEB to ISP and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Lebanon, NH (LEB-Lebanon Municipal) to Islip, NY (ISP-MacArthur)?
To find a cheap flight from Lebanon, NH (LEB-Lebanon Municipal) to Islip, NY (ISP-MacArthur), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Lebanon, NH (LEB-Lebanon Municipal) to Islip, NY (ISP-MacArthur)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Lebanon, NH (LEB-Lebanon Municipal) to Islip, NY (ISP-MacArthur)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from LEB to ISP. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Lebanon, NH (LEB-Lebanon Municipal) to Islip, NY (ISP-MacArthur)?
The busiest day for flights from Lebanon Municipal (LEB) to MacArthur (ISP) is a Friday, with around 3 flights. This gives you plenty of options for your travel plans.
What are the most popular departure times for flights from Lebanon, NH (LEB-Lebanon Municipal) to Islip, NY (ISP-MacArthur)?
For flights from Lebanon, NH (LEB) to Islip, NY (ISP), the most popular departure times are in the late morning, from 9am to 12pm. About 62% of passengers prefer this time window. The airline 9K operates flights during this period. Many travelers like this timing as it allows for a relaxed start to their day.
How long does it take to fly from Lebanon, NH (LEB-Lebanon Municipal) to Islip, NY (ISP-MacArthur)?
Flying from LEB to ISP with a connection usually takes about 5 hours 30 minutes, traveling roughly 200 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Lebanon, NH (LEB-Lebanon Municipal) to Islip, NY (ISP-MacArthur)?
Select the "Business class" and "First class" filters when looking for LEB to ISP flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Lebanon, NH (LEB-Lebanon Municipal) to Islip, NY (ISP-MacArthur) flight with Expedia?
It's easy to earn miles on a Lebanon, NH (LEB-Lebanon Municipal) to Islip, NY (ISP-MacArthur) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Islip from Lebanon Municipal (LEB)?
From Lebanon Municipal (LEB), you can fly into MacArthur (ISP) to reach Islip. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Lebanon, NH (LEB-Lebanon Municipal) to Islip, NY (ISP-MacArthur) at the last minute?
Typically, booking a last minute flight from Lebanon, NH (LEB-Lebanon Municipal) to Islip, NY (ISP-MacArthur) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Lebanon, NH (LEB-Lebanon Municipal) to Islip, NY (ISP-MacArthur) flight and hotel package?
Securing a Lebanon, NH (LEB-Lebanon Municipal) to Islip, NY (ISP-MacArthur) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lebanon, NH (LEB-Lebanon Municipal) to Islip, NY (ISP-MacArthur)?
If you booked your Lebanon, NH (LEB-Lebanon Municipal) to Islip, NY (ISP-MacArthur) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Lebanon Municipal
Destination airport
MacArthur
Roundtrip price
$774
Distance
200 mi

Book with confidence

Lebanon to Islip Flights

The cheapest times to fly from Lebanon to Islip

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Lebanon to Islip are during the month of March. You can find some of the cheapest flights from Lebanon to Islip with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Lebanon to Islip

Sunday is one of the best days to book for cheap flights from Lebanon to Islip: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Lebanon to Islip

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Lebanon to Islip in 2026. You can also book with separate airlines for your outbound and return journeys, from $359 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Lebanon to Islip flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Lebanon to Islip airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Lebanon to Islip Flights

*Flight schedules are subject to change.

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*Available to One Key members.