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Cheap flights from Buffalo to New York from $83

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buffalo to New York departing on 10/15. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Buffalo to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:29 pm - 9:53 amBUF  Buffalo-ISP Islip Long Island
12h 24m1 stop Orlando
Frontier Logo
7:09 pm - 9:23 amISP  Islip Long Island-BUF Buffalo
14h 14m1 stop Orlando
$253Frontier
Tue, Aug 25 - Sat, Aug 29
Southwest Logo
8:55 am - 12:10 pmBUF  Buffalo-ISP Islip Long Island
3h 15m1 stop Baltimore/Washington
Southwest Logo
1:15 pm - 10:45 pmISP  Islip Long Island-BUF Buffalo
9h 30m2 stops Palm Beach Intl Orlando
$269Southwest
Wed, Sep 16 - Thu, Sep 17
Southwest Logo
1:40 pm - 10:10 pmBUF  Buffalo-ISP Islip Long Island
8h 30m2 stops Tampa Baltimore/Washington
Southwest Logo
6:10 pm - 12:30 amISP  Islip Long Island-BUF Buffalo
6h 20m1 stop Orlando
$274Southwest
Fri, Sep 11 - Sun, Sep 13
Southwest Logo
11:25 am - 9:35 pmBUF  Buffalo-ISP Islip Long Island
10h 10m2 stops Baltimore/Washington Orlando
Southwest Logo
6:20 am - 12:15 pmISP  Islip Long Island-BUF Buffalo
5h 55m1 stop Baltimore/Washington
$289Southwest
Fri, Sep 11 - Sun, Sep 13
Southwest Logo
8:55 am - 12:10 pmBUF  Buffalo-ISP Islip Long Island
3h 15m1 stop Baltimore/Washington
Southwest Logo
4:05 pm - 9:55 pmISP  Islip Long Island-BUF Buffalo
5h 50m1 stop Baltimore/Washington
$294Southwest
Wed, Sep 16 - Thu, Sep 17
Frontier Logo
9:29 pm - 9:53 amBUF  Buffalo-ISP Islip Long Island
12h 24m1 stop Orlando
Frontier Logo
10:57 am - 6:09 pmISP  Islip Long Island-BUF Buffalo
7h 12m1 stop Orlando
$296Frontier
Tue, Sep 1 - Mon, Sep 7
Southwest Logo
8:10 am - 11:45 amBUF  Buffalo-ISP Islip Long Island
3h 35m1 stop Baltimore/Washington
Southwest Logo
5:35 am - 12:00 pmISP  Islip Long Island-BUF Buffalo
6h 25m1 stop Baltimore/Washington
$302Southwest
Fri, Nov 13 - Sun, Nov 15
Frontier Logo
8:54 pm - 9:33 amBUF  Buffalo-ISP Islip Long Island
12h 39m1 stop Orlando
Frontier Logo
4:13 pm - 12:18 pmISP  Islip Long Island-BUF Buffalo
20h 05m2 stops Orlando Atlanta Hartsfield-Jackson
$304Frontier
Thu, Oct 8 - Mon, Oct 12
Southwest Logo
11:25 am - 9:35 pmBUF  Buffalo-ISP Islip Long Island
10h 10m2 stops Baltimore/Washington Orlando
Southwest Logo
11:00 am - 4:35 pmISP  Islip Long Island-BUF Buffalo
5h 35m1 stop Baltimore/Washington
$307Southwest
Fri, Sep 25 - Sun, Oct 25
Frontier Logo
9:29 pm - 9:53 amBUF  Buffalo-ISP Islip Long Island
12h 24m1 stop Orlando
Frontier Logo
7:09 pm - 10:29 amISP  Islip Long Island-BUF Buffalo
15h 20m2 stops Orlando Atlanta Hartsfield-Jackson
$311Frontier
Tue, Sep 1 - Mon, Sep 7

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Frontier flights from Buffalo to Islip, New York

Our best Frontier deals on Buffalo to Islip, New York flight tickets
Frontier
Aug 25
BUF9:29 pmBuffalo
12h 24m
1 stop
ISP9:53 amIslip Long Island
Aug 29
ISP7:09 pmIslip Long Island
14h 14m
1 stop
BUF9:23 amBuffalo
$253
Frontier
Sep 1
BUF9:29 pmBuffalo
12h 24m
1 stop
ISP9:53 amIslip Long Island
Sep 7
ISP10:57 amIslip Long Island
7h 12m
1 stop
BUF6:09 pmBuffalo
$296
Frontier
Oct 8
BUF8:54 pmBuffalo
12h 39m
1 stop
ISP9:33 amIslip Long Island
Oct 12
ISP4:13 pmIslip Long Island
20h 05m
2 stops
BUF12:18 pmBuffalo
$304

Southwest flights from Buffalo to Islip, New York

Our best Southwest deals on Buffalo to Islip, New York flight tickets
Southwest
Sep 16
BUF8:55 amBuffalo
3h 15m
1 stop
ISP12:10 pmIslip Long Island
Sep 17
ISP1:15 pmIslip Long Island
9h 30m
2 stops
BUF10:45 pmBuffalo
$269
Southwest
Sep 11
BUF1:40 pmBuffalo
8h 30m
2 stops
ISP10:10 pmIslip Long Island
Sep 13
ISP6:10 pmIslip Long Island
6h 20m
1 stop
BUF12:30 amBuffalo
$274
Southwest
Sep 11
BUF11:25 amBuffalo
10h 10m
2 stops
ISP9:35 pmIslip Long Island
Sep 13
ISP6:20 amIslip Long Island
5h 55m
1 stop
BUF12:15 pmBuffalo
$289

momondo Fare Finder

 
Customize your flight search to find flights from Buffalo to Islip, New York 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 August 10, 2026.
Use the filters below to find and compare flights from Buffalo to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloIslip

BUF Buffalo - ISP Islip Long Island

BUFISP

Buffalo

Tue 8/25

9:29 pm-9:53 am

1 stop12h 24m

Islip Long Island

Sat 8/29

7:09 pm-9:23 am

1 stop14h 14m

$253

BuffaloIslip

BUF Buffalo - ISP Islip Long Island

BUFISP

Buffalo

Wed 9/16

8:55 am-12:10 pm

1 stop3h 15m

Islip Long Island

Thu 9/17

1:15 pm-10:45 pm

2 stops9h 30m

$269

BuffaloIslip

BUF Buffalo - ISP Islip Long Island

BUFISP

Buffalo

Fri 9/11

1:40 pm-10:10 pm

2 stops8h 30m

Islip Long Island

Sun 9/13

6:10 pm-12:30 am

1 stop6h 20m

$274

BuffaloIslip

BUF Buffalo - ISP Islip Long Island

BUFISP

Buffalo

Fri 9/11

11:25 am-9:35 pm

2 stops10h 10m

Islip Long Island

Sun 9/13

6:20 am-12:15 pm

1 stop5h 55m

$289
Quickest round-trip

BuffaloIslip

BUF Buffalo - ISP Islip Long Island

BUFISP

Buffalo

Wed 9/16

8:55 am-12:10 pm

1 stop3h 15m

Islip Long Island

Thu 9/17

4:05 pm-9:55 pm

1 stop5h 50m

$294

BuffaloIslip

BUF Buffalo - ISP Islip Long Island

BUFISP

Buffalo

Tue 9/1

9:29 pm-9:53 am

1 stop12h 24m

Islip Long Island

Mon 9/7

10:57 am-6:09 pm

1 stop7h 12m

$296

BuffaloIslip

BUF Buffalo - ISP Islip Long Island

BUFISP

Buffalo

Fri 11/13

8:10 am-11:45 am

1 stop3h 35m

Islip Long Island

Sun 11/15

5:35 am-12:00 pm

1 stop6h 25m

$302

BuffaloIslip

BUF Buffalo - ISP Islip Long Island

BUFISP

Buffalo

Thu 10/8

8:54 pm-9:33 am

1 stop12h 39m

Islip Long Island

Mon 10/12

4:13 pm-12:18 pm

2 stops20h 05m

$304

BuffaloIslip

BUF Buffalo - ISP Islip Long Island

BUFISP

Buffalo

Fri 9/25

11:25 am-9:35 pm

2 stops10h 10m

Islip Long Island

Sun 10/25

11:00 am-4:35 pm

1 stop5h 35m

$307

BuffaloIslip

BUF Buffalo - ISP Islip Long Island

BUFISP

Buffalo

Tue 9/1

9:29 pm-9:53 am

1 stop12h 24m

Islip Long Island

Mon 9/7

7:09 pm-10:29 am

2 stops15h 20m

$311

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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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 33% 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 35m

Direct flights

None
The fastest flight from Buffalo to Islip, New York takes 3h 35m
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

Frequently asked questions about flying from Buffalo to Islip, New York

  • 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 35m.

  • 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 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.

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Montauk
Riverhead
Southampton
Sag Harbor
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.

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