What airlines fly to Islip, New York?

JetBlue, Delta and United Airlines are the top three most popular airlines that fly to Islip, New York from Buffalo according to our data. JetBlue 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.

What is the cheapest airline that flies from Buffalo to Islip Long Island?

Southwest, Frontier, and JetBlue are the most popular carriers operating from Buffalo to Islip Long Island

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 May 2025, 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.

$79 Cheap Flights from Buffalo to Islip, New York - Save in Minutes

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Find the cheapest flights from Buffalo to New York

Round-trip

One-way

Last minute

Cheap round-trip flights

These are some of the best round-trip flight deals from Buffalo to New York that have been recently found on momondo from popular airlines, departing in the coming months.

5:35 am - 9:25 amBUF-ISP

3h 50m1 stop

6:00 pm - 12:30 amISP-BUF

6h 30m1 stop

$276Southwest

Find Deal

Fri, Jul 25 - Sun, Jul 27

3:40 pm - 8:35 pmBUF-ISP

4h 55m1 stop

5:45 pm - 9:05 pmISP-BUF

3h 20m1 stop

$286Southwest

Find Deal

Mon, Jul 7 - Thu, Jul 10

12:35 pm - 10:10 pmBUF-ISP

9h 35m2 stops

5:45 pm - 9:05 pmISP-BUF

3h 20m1 stop

$301Southwest

Find Deal

Mon, Jul 7 - Thu, Jul 10

6:00 pm - 12:05 amBUF-ISP

6h 05m1 stop

5:55 pm - 1:00 amISP-BUF

7h 05m2 stops

$322Southwest

Find Deal

Fri, Jul 25 - Sun, Jul 27

12:35 pm - 10:10 pmBUF-ISP

9h 35m2 stops

2:40 pm - 12:25 amISP-BUF

9h 45m2 stops

$372Southwest

Find Deal

Mon, Jul 7 - Thu, Jul 10

11:15 am - 8:35 pmBUF-ISP

9h 20m2 stops

5:55 pm - 1:00 amISP-BUF

7h 05m2 stops

$428Southwest

Find Deal

Fri, Jul 25 - Sun, Jul 27

7:05 am - 4:50 pmBUF-ISP

9h 45m1 stop

12:59 pm - 7:16 pmISP-BUF

6h 17m1 stop

$469JetBlue

Find Deal

Fri, Jun 6 - Mon, Jun 9

7:05 am - 4:50 pmBUF-ISP

9h 45m1 stop

12:59 pm - 7:16 pmISP-BUF

6h 17m1 stop

$700JetBlue

Find Deal

Fri, May 16 - Tue, May 20

Southwest flights from Buffalo to Islip, New York

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

Southwest

Jul 25

BUF5:35 amBuffalo

3h 50m

1 stop

ISP9:25 amIslip Long Island

Jul 27

ISP6:00 pmIslip Long Island

6h 30m

1 stop

BUF12:30 amBuffalo

$276

Find similar

Southwest

Jul 7

BUF3:40 pmBuffalo

4h 55m

1 stop

ISP8:35 pmIslip Long Island

Jul 10

ISP5:45 pmIslip Long Island

3h 20m

1 stop

BUF9:05 pmBuffalo

$286

Find similar

Southwest

Jul 7

BUF12:35 pmBuffalo

9h 35m

2 stops

ISP10:10 pmIslip Long Island

Jul 10

ISP5:45 pmIslip Long Island

3h 20m

1 stop

BUF9:05 pmBuffalo

$301

Find similar

JetBlue flights from Buffalo to Islip, New York

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

JetBlue

Jun 6

BUF7:05 amBuffalo

9h 45m

1 stop

ISP4:50 pmIslip Long Island

Jun 9

ISP12:59 pmIslip Long Island

6h 17m

1 stop

BUF7:16 pmBuffalo

$469

Find similar

JetBlue

May 8

BUF7:05 amBuffalo

9h 45m

1 stop

ISP4:50 pmIslip Long Island

May 18

ISP12:59 pmIslip Long Island

6h 17m

1 stop

BUF7:16 pmBuffalo

$511

Find similar

JetBlue

May 9

BUF7:05 amBuffalo

9h 45m

1 stop

ISP4:50 pmIslip Long Island

May 17

ISP12:59 pmIslip Long Island

6h 17m

1 stop

BUF7:16 pmBuffalo

$591

Find similar

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

Prices

Airlines

What is the cheapest time of day to depart on your flight to Islip, New York?

Flying to Islip, New York from Buffalo in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $276 when looking at flights departing in the afternoon. Flights to Islip, New York are more costly in the morning, with an average ticket price of $346. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

Best Price Found	$79
Fastest flight time	3h 50m
Direct flights	None
Airports in Islip, New York	1 airport

The best one-way flight to Islip, New York from Buffalo in the past 72 hours is $79. The best round-trip flight deal from Buffalo to Islip, New York found on momondo in the last 72 hours is $276.

The fastest flight from Buffalo to Islip, New York takes 3h 50m

There are no direct flights from Buffalo to Islip, New York. Popular non-direct route for this connection is Buffalo Airport - Islip Long Island Airport.

There is 1 airport near Islip, New York: Islip Long Island (ISP)

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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 50m.
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 May 2025, 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 $294	Free Cancellation	Rating 8.0 4,293 reviews		Search Southwest flights

Montauk

Riverhead

Amagansett

Sag Harbor

Southampton

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.