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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.
Southwest Logo
5:45 am - 12:05 pmBUF  Buffalo-ISP Islip Long Island
6h 20m1 stop Baltimore/Washington
Southwest Logo
6:05 am - 12:30 pmISP  Islip Long Island-BUF Buffalo
6h 25m1 stop Baltimore/Washington
$172Southwest
Sat, Sep 26 - Tue, Sep 29
Frontier Logo
9:29 pm - 6:14 pmBUF  Buffalo-ISP Islip Long Island
20h 45m1 stop Orlando
Frontier Logo
10:57 am - 9:23 amISP  Islip Long Island-BUF Buffalo
22h 26m1 stop Orlando
$192Frontier
Thu, Sep 3 - Mon, Sep 7
Southwest Logo
5:45 am - 12:05 pmBUF  Buffalo-ISP Islip Long Island
6h 20m1 stop Baltimore/Washington
Southwest Logo
6:05 am - 3:15 pmISP  Islip Long Island-BUF Buffalo
9h 10m2 stops Baltimore/Washington Chicago Midway
$218Southwest
Sat, Sep 26 - Tue, Sep 29
Southwest Logo
5:45 am - 12:05 pmBUF  Buffalo-ISP Islip Long Island
6h 20m1 stop Baltimore/Washington
Southwest Logo
1:15 pm - 10:45 pmISP  Islip Long Island-BUF Buffalo
9h 30m2 stops Palm Beach Intl Orlando
$245Southwest
Sat, Sep 26 - Mon, Sep 28
Southwest Logo
5:45 am - 12:05 pmBUF  Buffalo-ISP Islip Long Island
6h 20m1 stop Baltimore/Washington
Southwest Logo
6:10 am - 11:10 amISP  Islip Long Island-BUF Buffalo
5h 00m1 stop Baltimore/Washington
$246Southwest
Sat, Sep 26 - Mon, Sep 28
Southwest Logo
5:45 am - 12:05 pmBUF  Buffalo-ISP Islip Long Island
6h 20m1 stop Baltimore/Washington
Southwest Logo
10:30 am - 10:20 pmISP  Islip Long Island-BUF Buffalo
11h 50m1 stop Tampa
$267Southwest
Sat, Sep 26 - Sun, Sep 27
Southwest Logo
7:20 am - 11:55 amBUF  Buffalo-ISP Islip Long Island
4h 35m1 stop Baltimore/Washington
Southwest Logo
6:05 am - 12:05 pmISP  Islip Long Island-BUF Buffalo
6h 00m1 stop Baltimore/Washington
$269Southwest
Sat, Oct 10 - Wed, Oct 14
Southwest Logo
7:20 am - 11:55 amBUF  Buffalo-ISP Islip Long Island
4h 35m1 stop Baltimore/Washington
Southwest Logo
6:05 am - 2:35 pmISP  Islip Long Island-BUF Buffalo
8h 30m2 stops Baltimore/Washington Nashville Intl
$281Southwest
Sat, Oct 10 - Wed, Oct 14
Southwest Logo
12:00 pm - 9:10 pmBUF  Buffalo-ISP Islip Long Island
9h 10m1 stop Baltimore/Washington
Southwest Logo
1:15 pm - 10:45 pmISP  Islip Long Island-BUF Buffalo
9h 30m2 stops West Palm Beach President Donald J. Trump Intl Orlando
$287Southwest
Tue, Sep 15 - Thu, Sep 17
Southwest Logo
5:45 am - 3:05 pmBUF  Buffalo-ISP Islip Long Island
9h 20m2 stops Orlando West Palm Beach President Donald J. Trump Intl
Southwest Logo
6:05 am - 2:35 pmISP  Islip Long Island-BUF Buffalo
8h 30m2 stops Baltimore/Washington Nashville Intl
$297Southwest
Sat, Oct 10 - Wed, Oct 14

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JetBlue flights from Buffalo to Islip, New York

Our best JetBlue deals on Buffalo to Islip, New York flight tickets
JetBlue
Sep 11
BUF7:15 amBuffalo
8h 21m
1 stop
ISP3:36 pmIslip Long Island
Sep 18
ISP7:00 amIslip Long Island
15h 56m
1 stop
BUF10:56 pmBuffalo
$489
JetBlue
Sep 26
BUF7:00 amBuffalo
16h 22m
1 stop
ISP11:22 pmIslip Long Island
Sep 29
ISP7:00 amIslip Long Island
25h 10m
2 stops
BUF8:10 amBuffalo
$588
JetBlue
Jan 26
BUF2:10 pmBuffalo
7h 30m
1 stop
ISP9:40 pmIslip Long Island
Jan 28
ISP5:50 amIslip Long Island
7h 22m
1 stop
BUF1:12 pmBuffalo
$591

Southwest flights from Buffalo to Islip, New York

Our best Southwest deals on Buffalo to Islip, New York flight tickets
Southwest
Sep 26
BUF5:45 amBuffalo
6h 20m
1 stop
ISP12:05 pmIslip Long Island
Sep 29
ISP6:05 amIslip Long Island
6h 25m
1 stop
BUF12:30 pmBuffalo
$172
Southwest
Sep 26
BUF5:45 amBuffalo
6h 20m
1 stop
ISP12:05 pmIslip Long Island
Sep 29
ISP6:05 amIslip Long Island
9h 10m
2 stops
BUF3:15 pmBuffalo
$218
Southwest
Sep 26
BUF5:45 amBuffalo
6h 20m
1 stop
ISP12:05 pmIslip Long Island
Sep 28
ISP1:15 pmIslip Long Island
9h 30m
2 stops
BUF10:45 pmBuffalo
$245

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 16, 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

Sat 9/26

5:45 am-12:05 pm

1 stop6h 20m

Islip Long Island

Tue 9/29

6:05 am-12:30 pm

1 stop6h 25m

$172

BuffaloIslip

BUF Buffalo - ISP Islip Long Island

BUFISP

Buffalo

Thu 9/3

9:29 pm-6:14 pm

1 stop20h 45m

Islip Long Island

Mon 9/7

10:57 am-9:23 am

1 stop22h 26m

$192

BuffaloIslip

BUF Buffalo - ISP Islip Long Island

BUFISP

Buffalo

Sat 9/26

5:45 am-12:05 pm

1 stop6h 20m

Islip Long Island

Tue 9/29

6:05 am-3:15 pm

2 stops9h 10m

$218

BuffaloIslip

BUF Buffalo - ISP Islip Long Island

BUFISP

Buffalo

Sat 9/26

5:45 am-12:05 pm

1 stop6h 20m

Islip Long Island

Mon 9/28

1:15 pm-10:45 pm

2 stops9h 30m

$245

BuffaloIslip

BUF Buffalo - ISP Islip Long Island

BUFISP

Buffalo

Sat 9/26

5:45 am-12:05 pm

1 stop6h 20m

Islip Long Island

Mon 9/28

6:10 am-11:10 am

1 stop5h 00m

$246

BuffaloIslip

BUF Buffalo - ISP Islip Long Island

BUFISP

Buffalo

Sat 9/26

5:45 am-12:05 pm

1 stop6h 20m

Islip Long Island

Sun 9/27

10:30 am-10:20 pm

1 stop11h 50m

$267
Quickest round-trip

BuffaloIslip

BUF Buffalo - ISP Islip Long Island

BUFISP

Buffalo

Sat 10/10

7:20 am-11:55 am

1 stop4h 35m

Islip Long Island

Wed 10/14

6:05 am-12:05 pm

1 stop6h 00m

$269

BuffaloIslip

BUF Buffalo - ISP Islip Long Island

BUFISP

Buffalo

Sat 10/10

7:20 am-11:55 am

1 stop4h 35m

Islip Long Island

Wed 10/14

6:05 am-2:35 pm

2 stops8h 30m

$281

BuffaloIslip

BUF Buffalo - ISP Islip Long Island

BUFISP

Buffalo

Tue 9/15

12:00 pm-9:10 pm

1 stop9h 10m

Islip Long Island

Thu 9/17

1:15 pm-10:45 pm

2 stops9h 30m

$287

BuffaloIslip

BUF Buffalo - ISP Islip Long Island

BUFISP

Buffalo

Sat 10/10

5:45 am-3:05 pm

2 stops9h 20m

Islip Long Island

Wed 10/14

6:05 am-2:35 pm

2 stops8h 30m

$297

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

4h 35m

Direct flights

None
The fastest flight from Buffalo to Islip, New York takes 4h 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 4h 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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