Cheap flights from Islip, New York to Lexington from $1,221

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to Lexington departing on 8/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Islip, New York to Lexington

Cheap round-trip flights

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4:33 pm - 11:50 pmISP-LEX
31h 17m2 stops
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7:00 am - 8:01 pmLEX-ISP
37h 01m2 stops
$1,221
Find Deal
Wed, Aug 13 - Fri, Aug 15

momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York to Lexington 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, momondo users made 832,500 searches. Data last updated August 2, 2025.
Use the filters below to find and compare flights from Islip, New York to Lexington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipLexington

ISP - LEX

ISPLEX

Islip Long Island

Wed 8/13

4:33 pm-11:50 pm

2 stops31h 17m

Lexington Blue Grass

Fri 8/15

7:00 am-8:01 pm

2 stops37h 01m

$1,221

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Lexington from

How to get the cheapest flight ticket from Islip, New York to Lexington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Lexington?

On average, the least expensive day to fly to Lexington from Islip, New York is on a Monday. momondo users have found tickets for Monday departures for as low as $253. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Islip, New York because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $457.

What is the cheapest time of day to depart on your flight to Lexington?

The cheapest time of day to fly to Lexington is in the afternoon when flights can be purchased for as low as $323. Try not to purchase tickets in the morning because they tend to be around $581. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Islip, New York to Lexington

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to Lexington according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Islip, New York to Lexington (ISP to LEX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Lexington

Best Price Found

$1,221

Fastest flight time

31h 17m

Direct flights

None

Airports in Lexington

1 airport
The best flight deal from Islip, New York to Lexington found on momondo in the last 72 hours is $1,221
The fastest flight from Islip, New York to Lexington takes 31h 17m
There are no direct flights from Islip, New York to Lexington. Popular non-direct route for this connection is Islip Long Island Airport - Lexington Blue Grass Airport.
There is 1 airport near Lexington: Lexington Blue Grass (LEX)

  • How far is Islip Long Island to Lexington Blue Grass by plane?

    There are 630.1 mi between Islip Long Island and Lexington Blue Grass. By plane, this route typically takes 31h 17m.

  • When did momondo last update prices for flights from Islip Long Island Airport to Lexington Blue Grass Airport?

    Prices for flights from Islip Long Island Airport to Lexington Blue Grass Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Islip Long Island Airport to Lexington Blue Grass Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Islip Long Island Airport to Lexington Blue Grass Airport.

  • What documentation or ID do you need to fly to Lexington Blue Grass Airport?

    The necessary travel and health documents for your Lexington Blue Grass Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Traveling to a place near Lexington?

Book flights to Lexington if you plan to visit one of these locations
Richmond
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Carlisle

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Lexington?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Islip to Lexington. momondo saves you time and could save you money on your trip.

Can I find flights from Islip to Lexington with flexible booking policies on momondo?

All flight searches from Islip to Lexington on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Islip to Lexington?

momondo provides multiple filters to help you find the best flight to Lexington from Islip. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Islip to Lexington right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Islip to Lexington flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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1 adult
Thu 8/7
Thu 8/14

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