In terms of precipitation, rainfall in Lexington ranges from 2.9 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Lexington when rainfall is around 2.9 in.

If weather is an important factor for your trip to Lexington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

How far in advance should I book a flight from Islip, New York to Lexington?

To save on the cost of your flight from Islip, New York to Lexington, book at least 34 days before your planned departure. Booking around this time can save you about 37% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $270 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $270.

What is the cheapest month to fly from Islip, New York to Lexington?

Our data shows that January tends to be the cheapest month to fly to Lexington from Islip, New York. Users have commonly found prices around $330 for the month, but tickets can be as low as $196. Due to multiple factors, prepare for potentially higher prices in April.

What is the cheapest time of day to fly from ISP to LEX?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islip, New York to Lexington as you normally would.

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

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

How can I find direct flights from Islip to Lexington?

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

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

Yes. Cheapflights offers flight deals from Islip to Lexington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,221+ Flights from Islip, NY to Lexington

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Cheap flight deals from Islip to Lexington

Round-trip from	$1,221 (United)
Popular in	April
Cheapest in	January
Average price	$303

From Islip Long Island to Lexington Blue Grass

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($52 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Islip to Lexington

Cheapest flights from Islip to Lexington
Explore the most affordable flight options available from Islip to Lexington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 30, 2025.

mié. 8/134:33 pmISP - LEX

2 stops31h 17mMultiple Airlines

vie. 8/157:00 amLEX - ISP

2 stops37h 01mMultiple Airlines

Deal found 7/30

$1,221

Best flights from Islip to Lexington
Discover carefully curated flight deals from Islip to Lexington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 30, 2025.

mié. 8/134:33 pmISP - LEX

2 stops31h 17mMultiple Airlines

vie. 8/157:00 amLEX - ISP

2 stops37h 01mMultiple Airlines

Deal found 7/30

$1,221

Last-minute flights from Islip to Lexington
Discover last-minute flight deals from Islip to Lexington. Data last updated julio 30, 2025 and is based on user searches.

mié. 8/134:33 pmISP - LEX

2 stops31h 17mMultiple Airlines

vie. 8/157:00 amLEX - ISP

2 stops37h 01mMultiple Airlines

Deal found 7/30

$1,221

Fly from

Fly to

Route

Depart

Return

Price

IslipLexington

ISP - LEX

ISPLEX

Islip Long Island

mié. 8/13

4:33 pm-11:50 pm

2 stops31h 17m

Lexington Blue Grass

vie. 8/15

7:00 am-8:01 pm

2 stops37h 01m

$1,221

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Islip to Lexington

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

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

Currently, August is the cheapest month in which you can book a flight from Islip, New York to Lexington (average of $303). Flying from Islip, New York to Lexington in April is currently the most expensive (average of $390). 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

Can I find deals for flights from Islip to Lexington that include hotel bookings?
Yes. In addition to deals on Islip to Lexington flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Islip to Lexington?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Lexington.
Can I find deals for business class flights from Islip to Lexington?
Yes. Cheapflights offers flight deals from Islip to Lexington 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, New York to Lexington?
Currently, August is the cheapest month in which you can book a flight from Islip, New York to Lexington (average of $303). Flying from Islip, New York to Lexington in April is currently the most expensive (average of $390). 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

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$1,221+ Cheap flights from Islip, NY to Lexington (ISP - LEX)

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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Islip to Lexington with Cheapflights

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2. Select your favorite providers

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Cheap flight deals from Islip to Lexington

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Islip to Lexington

Cheapest flights from Islip to LexingtonExplore the most affordable flight options available from Islip to Lexington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 30, 2025.

Explore the most affordable flight options available from Islip to Lexington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Islip to Lexington that are best for you.

Best time to book a flight from Islip to Lexington

Have a flexible travel schedule? Discover the best time to fly to Lexington from Islip with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Islip to Lexington

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

Related info for your journey

Find useful and relevant information for your journey from Islip to Lexington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

How can I find direct flights from Islip to Lexington?

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

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

Traveling to a place near Lexington?

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Cheapest flights from Islip to Lexington
Explore the most affordable flight options available from Islip to Lexington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 30, 2025.