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Cheap flights from Islip, New York to Lexington from $341

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 2/22. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:31 am - 10:27 am
ISP
-
LEX
23h 56m
1 stop
Multiple Airlines Logo
10:08 pm - 11:06 am
LEX
-
ISP
36h 58m
2 stops
$341Multiple Airlines
Sun, Feb 22 - Thu, Feb 26
Multiple Airlines Logo
10:31 am - 2:54 pm
ISP
-
LEX
28h 23m
1 stop
Multiple Airlines Logo
9:45 pm - 11:10 am
LEX
-
ISP
13h 25m
2 stops
$835Multiple Airlines
Thu, Apr 2 - Fri, Apr 10
Multiple Airlines Logo
10:31 am - 2:54 pm
ISP
-
LEX
28h 23m
1 stop
Multiple Airlines Logo
9:45 pm - 7:54 pm
LEX
-
ISP
22h 09m
1 stop
$1,173Multiple Airlines
Thu, Apr 2 - Fri, Apr 10

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 February 9, 2026.
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

Sun 2/22

10:31 am-10:27 am

1 stop23h 56m

Lexington Blue Grass

Thu 2/26

10:08 pm-11:06 am

2 stops36h 58m

$341

IslipLexington

ISP - LEX

ISPLEX

Islip Long Island

Thu 4/2

10:31 am-2:54 pm

1 stop28h 23m

Lexington Blue Grass

Fri 4/10

9:45 pm-11:10 am

2 stops13h 25m

$835

IslipLexington

ISP - LEX

ISPLEX

Islip Long Island

Thu 4/2

10:31 am-2:54 pm

1 stop28h 23m

Lexington Blue Grass

Fri 4/10

9:45 pm-7:54 pm

1 stop22h 09m

$1,173

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 $327. 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.

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

Fastest flight time

23h 56m

Direct flights

None
The fastest flight from Islip, New York to Lexington takes 23h 56m
There are no direct flights from Islip, New York to Lexington. There are no popular flight routes from Islip, New York to Lexington.
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  • 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 23h 56m.

  • 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
Somerset
Georgetown
Danville
Frankfort
Winchester
Berea
Versailles
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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