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.

$108 Cheap Flights from Buffalo to Islip in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Buffalo to New York

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:59 pm - 8:47 pm

BUF

ISP

24h 48m1 stop

11:55 am - 6:36 pm

ISP

BUF

30h 41m2 stops

$208Multiple Airlines

Thu, Jan 29 - Thu, Feb 5

7:59 pm - 8:47 pm

BUF

ISP

24h 48m1 stop

7:43 pm - 6:36 pm

ISP

BUF

22h 53m1 stop

$225Frontier

Thu, Jan 29 - Thu, Feb 5

12:25 pm - 6:20 pm

BUF

ISP

5h 55m1 stop

6:00 pm - 12:40 am

ISP

BUF

6h 40m1 stop

$306Southwest

Sat, Feb 28 - Sat, Mar 7

12:10 pm - 9:55 pm

BUF

ISP

9h 45m2 stops

5:55 am - 1:55 pm

ISP

BUF

8h 00m2 stops

$310Southwest

Thu, Jan 29 - Thu, Feb 5

12:25 pm - 10:00 pm

BUF

ISP

9h 35m2 stops

6:00 pm - 12:40 am

ISP

BUF

6h 40m1 stop

$311Southwest

Sat, Feb 28 - Sat, Mar 7

6:00 am - 11:40 am

BUF

ISP

5h 40m1 stop

2:00 pm - 8:30 pm

ISP

BUF

6h 30m1 stop

$326Southwest

Sat, Mar 21 - Mon, Mar 23

6:00 am - 11:40 am

BUF

ISP

5h 40m1 stop

2:00 pm - 11:15 pm

ISP

BUF

9h 15m2 stops

$331Southwest

Sat, Mar 21 - Mon, Mar 23

5:00 am - 3:25 pm

BUF

ISP

10h 25m2 stops

6:00 am - 4:30 pm

ISP

BUF

10h 30m2 stops

$344Southwest

Sat, Feb 28 - Sat, Mar 7

12:25 pm - 11:25 pm

BUF

ISP

11h 00m2 stops

2:00 pm - 11:15 pm

ISP

BUF

9h 15m2 stops

$345Southwest

Sat, Mar 21 - Mon, Mar 23

5:50 pm - 11:55 pm

BUF

ISP

6h 05m1 stop

5:40 pm - 12:45 am

ISP

BUF

7h 05m1 stop

$369Southwest

Fri, Mar 13 - Sun, Mar 15

Frontier flights from Buffalo to Islip, New York

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

Frontier

Jan 29

BUF7:59 pmBuffalo

24h 48m

1 stop

ISP8:47 pmIslip Long Island

Feb 5

ISP7:43 pmIslip Long Island

22h 53m

1 stop

BUF6:36 pmBuffalo

$225

Find similar

Frontier

Apr 2

BUF11:42 amBuffalo

7h 29m

1 stop

ISP7:11 pmIslip Long Island

Apr 5

ISP6:00 amIslip Long Island

10h 00m

1 stop

BUF4:00 pmBuffalo

$712

Find similar

Frontier

Apr 2

BUF11:42 amBuffalo

7h 29m

1 stop

ISP7:11 pmIslip Long Island

Apr 5

ISP6:00 amIslip Long Island

10h 00m

1 stop

BUF4:00 pmBuffalo

$800

Find similar

Southwest flights from Buffalo to Islip, New York

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

Southwest

Feb 28

BUF12:25 pmBuffalo

5h 55m

1 stop

ISP6:20 pmIslip Long Island

Mar 7

ISP6:00 pmIslip Long Island

6h 40m

1 stop

BUF12:40 amBuffalo

$306

Find similar

Southwest

Jan 29

BUF12:10 pmBuffalo

9h 45m

2 stops

ISP9:55 pmIslip Long Island

Feb 5

ISP5:55 amIslip Long Island

8h 00m

2 stops

BUF1:55 pmBuffalo

$310

Find similar

Southwest

Feb 28

BUF12:25 pmBuffalo

9h 35m

2 stops

ISP10:00 pmIslip Long Island

Mar 7

ISP6:00 pmIslip Long Island

6h 40m

1 stop

BUF12:40 amBuffalo

$311

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Thu 1/29

7:59 pm-8:47 pm

1 stop24h 48m

Islip Long Island

Thu 2/5

11:55 am-6:36 pm

2 stops30h 41m

$208

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Thu 1/29

7:59 pm-8:47 pm

1 stop24h 48m

Islip Long Island

Thu 2/5

7:43 pm-6:36 pm

1 stop22h 53m

$225

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Sat 2/28

12:25 pm-6:20 pm

1 stop5h 55m

Islip Long Island

Sat 3/7

6:00 pm-12:40 am

1 stop6h 40m

$306

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Thu 1/29

12:10 pm-9:55 pm

2 stops9h 45m

Islip Long Island

Thu 2/5

5:55 am-1:55 pm

2 stops8h 00m

$310

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Sat 2/28

12:25 pm-10:00 pm

2 stops9h 35m

Islip Long Island

Sat 3/7

6:00 pm-12:40 am

1 stop6h 40m

$311

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Sat 3/21

6:00 am-11:40 am

1 stop5h 40m

Islip Long Island

Mon 3/23

2:00 pm-8:30 pm

1 stop6h 30m

$326

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Sat 3/21

6:00 am-11:40 am

1 stop5h 40m

Islip Long Island

Mon 3/23

2:00 pm-11:15 pm

2 stops9h 15m

$331

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Sat 2/28

5:00 am-3:25 pm

2 stops10h 25m

Islip Long Island

Sat 3/7

6:00 am-4:30 pm

2 stops10h 30m

$344

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Sat 3/21

12:25 pm-11:25 pm

2 stops11h 00m

Islip Long Island

Mon 3/23

2:00 pm-11:15 pm

2 stops9h 15m

$345

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Fri 3/13

5:50 pm-11:55 pm

1 stop6h 05m

Islip Long Island

Sun 3/15

5:40 pm-12:45 am

1 stop7h 05m

$369

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted 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?

Frontier and Southwest are the most popular carriers 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 15m
Direct flights	None

The fastest flight from Buffalo to Islip, New York takes 3h 15m

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 15m.
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 4,254 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.