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Cheap flights from Buffalo to New York from $84

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 2/5. 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
0 bags

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Find the cheapest flights from Buffalo to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
7:30 am - 12:25 pm
BUF
-
ISP
4h 55m1 stop
Southwest Logo
4:05 pm - 10:30 pm
ISP
-
BUF
6h 25m1 stop
$273Southwest
vie., feb. 27 - lun., mar. 2
Southwest Logo
7:30 am - 12:25 pm
BUF
-
ISP
4h 55m1 stop
Southwest Logo
5:55 am - 1:55 pm
ISP
-
BUF
8h 00m2 stops
$279Southwest
vie., feb. 27 - lun., mar. 2
Southwest Logo
2:40 pm - 11:10 pm
BUF
-
ISP
8h 30m2 stops
Southwest Logo
5:55 am - 1:55 pm
ISP
-
BUF
8h 00m2 stops
$292Southwest
vie., feb. 27 - lun., mar. 2
Southwest Logo
8:40 am - 11:55 am
BUF
-
ISP
3h 15m1 stop
Southwest Logo
1:10 pm - 6:15 pm
ISP
-
BUF
5h 05m1 stop
$294Southwest
jue., feb. 5 - jue., feb. 12
Southwest Logo
1:05 pm - 10:20 pm
BUF
-
ISP
9h 15m2 stops
Southwest Logo
1:10 pm - 6:15 pm
ISP
-
BUF
5h 05m1 stop
$299Southwest
jue., feb. 5 - jue., feb. 12
Southwest Logo
8:40 am - 11:55 am
BUF
-
ISP
3h 15m1 stop
Southwest Logo
5:35 am - 11:55 am
ISP
-
BUF
6h 20m1 stop
$306Southwest
lun., feb. 23 - vie., feb. 27
Southwest Logo
4:05 pm - 10:20 pm
BUF
-
ISP
6h 15m1 stop
Southwest Logo
1:10 pm - 11:55 pm
ISP
-
BUF
10h 45m2 stops
$311Southwest
lun., feb. 23 - vie., feb. 27
Southwest Logo
1:05 pm - 10:20 pm
BUF
-
ISP
9h 15m2 stops
Southwest Logo
1:10 pm - 11:55 pm
ISP
-
BUF
10h 45m2 stops
$317Southwest
lun., feb. 23 - vie., feb. 27
Southwest Logo
5:50 am - 4:25 pm
BUF
-
ISP
10h 35m2 stops
Southwest Logo
5:35 am - 2:05 pm
ISP
-
BUF
8h 30m2 stops
$386Southwest
jue., feb. 5 - jue., feb. 12
Multiple Airlines Logo
10:00 am - 4:10 pm
BUF
-
ISP
6h 10m1 stop
Multiple Airlines Logo
12:25 pm - 8:18 pm
ISP
-
BUF
7h 53m1 stop
$633Multiple Airlines
jue., ene. 22 - lun., ene. 26

Southwest flights from Buffalo to Islip, New York

Our best Southwest deals on Buffalo to Islip, New York flight tickets
Southwest
Feb 27
BUF7:30 amBuffalo
4h 55m
1 stop
ISP12:25 pmIslip Long Island
Mar 2
ISP4:05 pmIslip Long Island
6h 25m
1 stop
BUF10:30 pmBuffalo
$273
Southwest
Feb 27
BUF7:30 amBuffalo
4h 55m
1 stop
ISP12:25 pmIslip Long Island
Mar 2
ISP5:55 amIslip Long Island
8h 00m
2 stops
BUF1:55 pmBuffalo
$279
Southwest
Feb 27
BUF2:40 pmBuffalo
8h 30m
2 stops
ISP11:10 pmIslip Long Island
Mar 2
ISP5:55 amIslip Long Island
8h 00m
2 stops
BUF1:55 pmBuffalo
$292

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 enero 8, 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

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

vie. 2/27

7:30 am-12:25 pm

1 stop4h 55m

Islip Long Island

lun. 3/2

4:05 pm-10:30 pm

1 stop6h 25m

$273

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

vie. 2/27

7:30 am-12:25 pm

1 stop4h 55m

Islip Long Island

lun. 3/2

5:55 am-1:55 pm

2 stops8h 00m

$279

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

vie. 2/27

2:40 pm-11:10 pm

2 stops8h 30m

Islip Long Island

lun. 3/2

5:55 am-1:55 pm

2 stops8h 00m

$292

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

jue. 2/5

8:40 am-11:55 am

1 stop3h 15m

Islip Long Island

jue. 2/12

1:10 pm-6:15 pm

1 stop5h 05m

$294

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

jue. 2/5

1:05 pm-10:20 pm

2 stops9h 15m

Islip Long Island

jue. 2/12

1:10 pm-6:15 pm

1 stop5h 05m

$299

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

lun. 2/23

8:40 am-11:55 am

1 stop3h 15m

Islip Long Island

vie. 2/27

5:35 am-11:55 am

1 stop6h 20m

$306

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

lun. 2/23

4:05 pm-10:20 pm

1 stop6h 15m

Islip Long Island

vie. 2/27

1:10 pm-11:55 pm

2 stops10h 45m

$311

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

lun. 2/23

1:05 pm-10:20 pm

2 stops9h 15m

Islip Long Island

vie. 2/27

1:10 pm-11:55 pm

2 stops10h 45m

$317

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

jue. 2/5

5:50 am-4:25 pm

2 stops10h 35m

Islip Long Island

jue. 2/12

5:35 am-2:05 pm

2 stops8h 30m

$386

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

jue. 1/22

10:00 am-4:10 pm

1 stop6h 10m

Islip Long Island

lun. 1/26

12:25 pm-8:18 pm

1 stop7h 53m

$633

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to New York from

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?

Southwest and Frontier 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 10m

Direct flights

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

  • 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?

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
SouthwestPriceFrom $199Free CancellationRating
8.0
4,250 reviews
Search Southwest flights

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
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.

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