When did momondo last update prices for flights from Buffalo Airport to Islip Long Island Airport?

Prices for flights from Buffalo Airport to Islip Long Island Airport were last updated today.

How many operators does momondo search for flights from Buffalo Airport to Islip Long Island Airport?

As of January 2026, there is 1 operator available to choose from for flights from Buffalo Airport to Islip Long Island Airport.

How old do you have to be to fly from Buffalo Airport to Islip Long Island Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Islip Long Island Airport.

What documentation or ID do you need to fly to Islip Long Island Airport?

The travel and health documents you'll need for your trip to Islip Long Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Islip Long Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$166 Cheap Flights from Buffalo to Islip in 2026

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0 bags

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Find the cheapest flights from Buffalo to New York

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:50 am - 11:55 am

BUF

ISP

6h 05m

1 stop

6:00 am - 12:30 pm

ISP

BUF

6h 30m

1 stop

$187Southwest

Wed, Feb 25 - Wed, Mar 4

6:20 am - 4:15 pm

BUF

ISP

9h 55m

2 stops

6:00 am - 12:30 pm

ISP

BUF

6h 30m

1 stop

$210Southwest

Wed, Feb 25 - Wed, Mar 4

6:20 am - 4:15 pm

BUF

ISP

9h 55m

2 stops

6:00 am - 4:15 pm

ISP

BUF

10h 15m

2 stops

$234Southwest

Wed, Feb 25 - Wed, Mar 4

11:00 am - 2:30 pm

BUF

ISP

3h 30m

1 stop

6:00 am - 11:45 am

ISP

BUF

5h 45m

1 stop

$387Southwest

Fri, Jun 12 - Sun, Jun 14

6:05 am - 11:50 am

BUF

ISP

5h 45m

1 stop

6:00 am - 4:45 pm

ISP

BUF

10h 45m

2 stops

$392Southwest

Fri, Jun 12 - Sun, Jun 14

7:35 am - 2:30 pm

BUF

ISP

6h 55m

2 stops

6:00 am - 4:45 pm

ISP

BUF

10h 45m

2 stops

$398Southwest

Fri, Jun 12 - Sun, Jun 14

10:00 am - 4:10 pm

BUF

ISP

6h 10m

1 stop

12:30 pm - 6:47 pm

ISP

BUF

6h 17m

1 stop

$720Multiple Airlines

Wed, Jan 28 - Sun, Feb 1

10:00 am - 4:10 pm

BUF

ISP

6h 10m

1 stop

12:30 pm - 11:47 pm

ISP

BUF

11h 17m

2 stops

$777Multiple Airlines

Wed, Jan 28 - Sun, Feb 1

Frontier flights from Buffalo to Islip, New York

Our best Frontier deals on Buffalo to Islip, New York flight tickets

Frontier

Jan 16

BUF8:58 pmBuffalo

25h 48m

1 stop

ISP10:46 pmIslip Long Island

Jan 18

ISP1:42 pmIslip Long Island

19h 39m

1 stop

BUF9:21 amBuffalo

$378

Frontier

Apr 2

BUF11:42 amBuffalo

7h 29m

1 stop

ISP7:11 pmIslip Long Island

Apr 5

ISP9:41 amIslip Long Island

10h 52m

1 stop

BUF8:33 pmBuffalo

$769

Southwest flights from Buffalo to Islip, New York

Our best Southwest deals on Buffalo to Islip, New York flight tickets

Southwest

Feb 25

BUF5:50 amBuffalo

6h 05m

1 stop

ISP11:55 amIslip Long Island

Mar 4

ISP6:00 amIslip Long Island

6h 30m

1 stop

BUF12:30 pmBuffalo

$187

Southwest

Feb 25

BUF6:20 amBuffalo

9h 55m

2 stops

ISP4:15 pmIslip Long Island

Mar 4

ISP6:00 amIslip Long Island

6h 30m

1 stop

BUF12:30 pmBuffalo

$210

Southwest

Feb 25

BUF6:20 amBuffalo

9h 55m

2 stops

ISP4:15 pmIslip Long Island

Mar 4

ISP6:00 amIslip Long Island

10h 15m

2 stops

BUF4:15 pmBuffalo

$234

Fly from

Fly to

Route

Depart

Return

Price

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Wed 2/25

5:50 am-11:55 am

1 stop6h 05m

Islip Long Island

Wed 3/4

6:00 am-12:30 pm

1 stop6h 30m

$187

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Wed 2/25

6:20 am-4:15 pm

2 stops9h 55m

Islip Long Island

Wed 3/4

6:00 am-12:30 pm

1 stop6h 30m

$210

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Wed 2/25

6:20 am-4:15 pm

2 stops9h 55m

Islip Long Island

Wed 3/4

6:00 am-4:15 pm

2 stops10h 15m

$234

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Fri 6/12

11:00 am-2:30 pm

1 stop3h 30m

Islip Long Island

Sun 6/14

6:00 am-11:45 am

1 stop5h 45m

$387

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Fri 6/12

6:05 am-11:50 am

1 stop5h 45m

Islip Long Island

Sun 6/14

6:00 am-4:45 pm

2 stops10h 45m

$392

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Fri 6/12

7:35 am-2:30 pm

2 stops6h 55m

Islip Long Island

Sun 6/14

6:00 am-4:45 pm

2 stops10h 45m

$398

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Wed 1/28

10:00 am-4:10 pm

1 stop6h 10m

Islip Long Island

Sun 2/1

12:30 pm-6:47 pm

1 stop6h 17m

$720

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Wed 1/28

10:00 am-4:10 pm

1 stop6h 10m

Islip Long Island

Sun 2/1

12:30 pm-11:47 pm

2 stops11h 17m

$777

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Fri 5/1

6:15 am-4:30 pm

2 stops10h 15m

$166

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Fri 5/1

4:00 pm-8:25 pm

1 stop4h 25m

$169

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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 airline that flies from Buffalo to Islip Long Island?

Southwest is the most popular carrier operating from Buffalo to Islip Long Island

What airlines fly to Islip, New York?

Delta, JetBlue and United Airlines are the top three most popular airlines that fly to Islip, New York from Buffalo according to our data. Delta is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 5 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

When to book flights from Buffalo to Islip, New York

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

Estimated round-trip price

Cheap Buffalo to Islip, New York (BUF to ISP) flight deals and tips

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

Fastest flight time	3h 30m
Direct flights	None

The fastest flight from Buffalo to Islip, New York takes 3h 30m

There are no direct flights from Buffalo to Islip, New York. There are no popular flight routes from Buffalo to Islip, New York.

Search flight deals

How far is Buffalo to Islip Long Island by plane?
There are 327.4 mi between Buffalo and Islip Long Island. In terms of flight time, this usually takes a little over 3h 30m.
When did momondo last update prices for flights from Buffalo Airport to Islip Long Island Airport?
Prices for flights from Buffalo Airport to Islip Long Island Airport were last updated today.
How many operators does momondo search for flights from Buffalo Airport to Islip Long Island Airport?
As of January 2026, there is 1 operator available to choose from for flights from Buffalo Airport to Islip Long Island Airport.
How old do you have to be to fly from Buffalo Airport to Islip Long Island Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buffalo Airport to Islip Long Island Airport.
What documentation or ID do you need to fly to Islip Long Island Airport?
The travel and health documents you'll need for your trip to Islip Long Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Islip Long Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Buffalo to Islip, New York?
momondo data reveals that the most frequently booked airline on the route from Buffalo to Islip, New York is Southwest, representing 100% of all bookings.

Best airlines flying from Buffalo to Islip, New York

Compare and see reviews for airlines that fly from Buffalo to Islip, New York with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $199	Free Cancellation	Rating 8.0 4,258 reviews		Search Southwest flights

Montauk

Riverhead

Sag Harbor

Southampton

Amagansett

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Buffalo to Islip. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Buffalo to Islip flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Islip from Buffalo.

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

Price alerts on flights to Islip from Buffalo are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.