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 December 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.

$160 Cheap Flights from Buffalo to Islip in 2025/26

1 adult

0 bags

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Find the cheapest flights from Buffalo to New York

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Cheap round-trip flights

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8:06 pm - 8:55 am

BUF

ISP

12h 49m1 stop

1:42 pm - 9:21 am

ISP

BUF

19h 39m1 stop

$208Frontier

Sat, Jan 17 - Sun, Jan 18

8:58 pm - 8:09 pm

BUF

ISP

23h 11m1 stop

8:45 pm - 9:21 am

ISP

BUF

12h 36m1 stop

$213Frontier

Thu, Jan 15 - Sun, Jan 18

8:06 pm - 8:55 am

BUF

ISP

12h 49m1 stop

7:43 pm - 6:36 pm

ISP

BUF

22h 53m1 stop

$230Frontier

Sat, Jan 17 - Thu, Jan 22

8:58 pm - 8:09 pm

BUF

ISP

23h 11m1 stop

7:43 pm - 6:36 pm

ISP

BUF

22h 53m1 stop

$236Frontier

Thu, Jan 15 - Thu, Jan 22

10:11 am - 7:50 pm

BUF

ISP

9h 39m1 stop

11:55 am - 9:21 am

ISP

BUF

21h 26m2 stops

$249Multiple Airlines

Thu, Jan 15 - Sun, Jan 18

8:06 pm - 8:55 am

BUF

ISP

12h 49m1 stop

11:50 am - 7:04 pm

ISP

BUF

31h 14m2 stops

$257Multiple Airlines

Sat, Jan 17 - Wed, Jan 21

8:58 pm - 8:09 pm

BUF

ISP

23h 11m1 stop

11:50 am - 7:04 pm

ISP

BUF

31h 14m2 stops

$263Multiple Airlines

Thu, Jan 15 - Wed, Jan 21

10:11 am - 7:50 pm

BUF

ISP

9h 39m1 stop

6:47 pm - 9:21 am

ISP

BUF

14h 34m1 stop

$268Frontier

Thu, Jan 15 - Sat, Jan 17

8:58 pm - 10:46 pm

BUF

ISP

25h 48m1 stop

7:43 pm - 6:36 pm

ISP

BUF

22h 53m1 stop

$275Frontier

Fri, Jan 16 - Thu, Jan 22

1:10 pm - 6:30 pm

BUF

ISP

5h 20m1 stop

9:00 am - 12:15 pm

ISP

BUF

3h 15m1 stop

$286Southwest

Wed, May 6 - Wed, May 13

Frontier flights from Buffalo to Islip, New York

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

Frontier

Jan 17

BUF8:06 pmBuffalo

12h 49m

1 stop

ISP8:55 amIslip Long Island

Jan 18

ISP1:42 pmIslip Long Island

19h 39m

1 stop

BUF9:21 amBuffalo

$208

Find similar

Frontier

Jan 15

BUF8:58 pmBuffalo

23h 11m

1 stop

ISP8:09 pmIslip Long Island

Jan 18

ISP8:45 pmIslip Long Island

12h 36m

1 stop

BUF9:21 amBuffalo

$213

Find similar

Frontier

Jan 17

BUF8:06 pmBuffalo

12h 49m

1 stop

ISP8:55 amIslip Long Island

Jan 22

ISP7:43 pmIslip Long Island

22h 53m

1 stop

BUF6:36 pmBuffalo

$230

Find similar

Southwest flights from Buffalo to Islip, New York

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

Southwest

May 6

BUF1:10 pmBuffalo

5h 20m

1 stop

ISP6:30 pmIslip Long Island

May 13

ISP9:00 amIslip Long Island

3h 15m

1 stop

BUF12:15 pmBuffalo

$286

Find similar

Southwest

May 6

BUF9:45 amBuffalo

4h 05m

1 stop

ISP1:50 pmIslip Long Island

May 13

ISP6:55 amIslip Long Island

8h 25m

2 stops

BUF3:20 pmBuffalo

$296

Find similar

Southwest

May 6

BUF9:25 amBuffalo

9h 05m

2 stops

ISP6:30 pmIslip Long Island

May 13

ISP6:55 amIslip Long Island

8h 25m

2 stops

BUF3:20 pmBuffalo

$316

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Sat 1/17

8:06 pm-8:55 am

1 stop12h 49m

Islip Long Island

Sun 1/18

1:42 pm-9:21 am

1 stop19h 39m

$208

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Thu 1/15

8:58 pm-8:09 pm

1 stop23h 11m

Islip Long Island

Sun 1/18

8:45 pm-9:21 am

1 stop12h 36m

$213

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Sat 1/17

8:06 pm-8:55 am

1 stop12h 49m

Islip Long Island

Thu 1/22

7:43 pm-6:36 pm

1 stop22h 53m

$230

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Thu 1/15

8:58 pm-8:09 pm

1 stop23h 11m

Islip Long Island

Thu 1/22

7:43 pm-6:36 pm

1 stop22h 53m

$236

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Thu 1/15

10:11 am-7:50 pm

1 stop9h 39m

Islip Long Island

Sun 1/18

11:55 am-9:21 am

2 stops21h 26m

$249

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Sat 1/17

8:06 pm-8:55 am

1 stop12h 49m

Islip Long Island

Wed 1/21

11:50 am-7:04 pm

2 stops31h 14m

$257

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Thu 1/15

8:58 pm-8:09 pm

1 stop23h 11m

Islip Long Island

Wed 1/21

11:50 am-7:04 pm

2 stops31h 14m

$263

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Thu 1/15

10:11 am-7:50 pm

1 stop9h 39m

Islip Long Island

Sat 1/17

6:47 pm-9:21 am

1 stop14h 34m

$268

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Fri 1/16

8:58 pm-10:46 pm

1 stop25h 48m

Islip Long Island

Thu 1/22

7:43 pm-6:36 pm

1 stop22h 53m

$275

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Wed 5/6

1:10 pm-6:30 pm

1 stop5h 20m

Islip Long Island

Wed 5/13

9:00 am-12:15 pm

1 stop3h 15m

$286

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 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 35% 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	4h 10m
Direct flights	None

The fastest flight from Buffalo to Islip, New York takes 4h 10m

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 4h 10m.
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 December 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 $199	Free Cancellation	Rating 8.0 4,256 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.