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Cheap flights from Buffalo to New York from $161

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 4/16. 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
9:30 am - 3:20 pmBUF-ISP
5h 50m1 stop
Southwest Logo
6:00 am - 11:50 amISP-BUF
5h 50m1 stop
$226Southwest
Find Deal
qui, dez 11 - sáb, dez 13
Southwest Logo
6:45 am - 3:05 pmBUF-ISP
8h 20m2 stops
Southwest Logo
6:00 am - 11:50 amISP-BUF
5h 50m1 stop
$277Southwest
Find Deal
qui, dez 11 - sáb, dez 13
Frontier Logo
2:07 pm - 7:40 pmBUF-ISP
29h 33m1 stop
Frontier Logo
8:35 pm - 12:52 pmISP-BUF
16h 17m1 stop
$315Frontier
Find Deal
qui, dez 18 - seg, dez 22
Southwest Logo
6:45 am - 3:05 pmBUF-ISP
8h 20m2 stops
Southwest Logo
1:30 pm - 11:15 pmISP-BUF
9h 45m2 stops
$339Southwest
Find Deal
qui, dez 11 - sáb, dez 13
Frontier Logo
2:07 pm - 12:42 pmBUF-ISP
22h 35m1 stop
Frontier Logo
8:35 pm - 7:13 pmISP-BUF
22h 38m2 stops
$373Frontier
Find Deal
qui, dez 18 - seg, dez 22
Southwest Logo
5:45 pm - 11:50 pmBUF-ISP
6h 05m1 stop
Southwest Logo
2:45 pm - 11:35 pmISP-BUF
8h 50m2 stops
$392Southwest
Find Deal
qui, dez 18 - seg, dez 22
Southwest Logo
8:50 am - 11:55 amBUF-ISP
3h 05m1 stop
Southwest Logo
3:55 pm - 10:00 pmISP-BUF
6h 05m1 stop
$405Southwest
Find Deal
seg, dez 1 - qua, dez 3
Frontier Logo
2:07 pm - 7:40 pmBUF-ISP
29h 33m1 stop
Frontier Logo
8:35 pm - 12:52 pmISP-BUF
16h 17m1 stop
$409Frontier
Find Deal
qui, dez 18 - seg, dez 22
Southwest Logo
6:55 am - 5:15 pmBUF-ISP
10h 20m2 stops
Southwest Logo
5:40 am - 12:05 pmISP-BUF
6h 25m1 stop
$410Southwest
Find Deal
seg, dez 1 - ter, dez 2
Southwest Logo
2:45 pm - 11:10 pmBUF-ISP
8h 25m2 stops
Southwest Logo
5:40 am - 3:50 pmISP-BUF
10h 10m2 stops
$415Southwest
Find Deal
seg, dez 1 - qua, dez 3

Southwest flights from Buffalo to Islip, New York

Our best Southwest deals on Buffalo to Islip, New York flight tickets
Southwest
Dec 11
BUF9:30 amBuffalo
5h 50m
1 stop
ISP3:20 pmIslip Long Island
Dec 13
ISP6:00 amIslip Long Island
5h 50m
1 stop
BUF11:50 amBuffalo
$226
Find similar
Southwest
Dec 11
BUF6:45 amBuffalo
8h 20m
2 stops
ISP3:05 pmIslip Long Island
Dec 13
ISP6:00 amIslip Long Island
5h 50m
1 stop
BUF11:50 amBuffalo
$277
Find similar
Southwest
Dec 11
BUF6:45 amBuffalo
8h 20m
2 stops
ISP3:05 pmIslip Long Island
Dec 13
ISP1:30 pmIslip Long Island
9h 45m
2 stops
BUF11:15 pmBuffalo
$339
Find similar

Frontier flights from Buffalo to Islip, New York

Our best Frontier deals on Buffalo to Islip, New York flight tickets
Frontier
Dec 18
BUF2:07 pmBuffalo
29h 33m
1 stop
ISP7:40 pmIslip Long Island
Dec 22
ISP8:35 pmIslip Long Island
16h 17m
1 stop
BUF12:52 pmBuffalo
$315
Find similar
Frontier
Dec 18
BUF2:07 pmBuffalo
22h 35m
1 stop
ISP12:42 pmIslip Long Island
Dec 22
ISP8:35 pmIslip Long Island
22h 38m
2 stops
BUF7:13 pmBuffalo
$373
Find similar
Frontier
Dec 18
BUF2:07 pmBuffalo
29h 33m
1 stop
ISP7:40 pmIslip Long Island
Dec 22
ISP8:35 pmIslip Long Island
16h 17m
1 stop
BUF12:52 pmBuffalo
$409
Find similar

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 novembro 19, 2025.
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

qui 12/11

9:30 am-3:20 pm

1 stop5h 50m

Islip Long Island

sáb 12/13

6:00 am-11:50 am

1 stop5h 50m

$226

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

qui 12/11

6:45 am-3:05 pm

2 stops8h 20m

Islip Long Island

sáb 12/13

6:00 am-11:50 am

1 stop5h 50m

$277

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

qui 12/18

2:07 pm-7:40 pm

1 stop29h 33m

Islip Long Island

seg 12/22

8:35 pm-12:52 pm

1 stop16h 17m

$315

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

qui 12/11

6:45 am-3:05 pm

2 stops8h 20m

Islip Long Island

sáb 12/13

1:30 pm-11:15 pm

2 stops9h 45m

$339

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

qui 12/18

2:07 pm-12:42 pm

1 stop22h 35m

Islip Long Island

seg 12/22

8:35 pm-7:13 pm

2 stops22h 38m

$373

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

qui 12/18

5:45 pm-11:50 pm

1 stop6h 05m

Islip Long Island

seg 12/22

2:45 pm-11:35 pm

2 stops8h 50m

$392

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

seg 12/1

8:50 am-11:55 am

1 stop3h 05m

Islip Long Island

qua 12/3

3:55 pm-10:00 pm

1 stop6h 05m

$405

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

qui 12/18

2:07 pm-7:40 pm

1 stop29h 33m

Islip Long Island

seg 12/22

8:35 pm-12:52 pm

1 stop16h 17m

$409

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

seg 12/1

6:55 am-5:15 pm

2 stops10h 20m

Islip Long Island

ter 12/2

5:40 am-12:05 pm

1 stop6h 25m

$410

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

seg 12/1

2:45 pm-11:10 pm

2 stops8h 25m

Islip Long Island

qua 12/3

5:40 am-3:50 pm

2 stops10h 10m

$415

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 time of day to depart on your flight to Islip, New York?

Flying to Islip, New York from Buffalo in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $276 when looking at flights departing in the afternoon. Flights to Islip, New York are more costly in the morning, with an average ticket price of $346. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

Direct flights

None
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 05m.

  • 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
4,249 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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