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Cheap flights from Buffalo to New York from $106

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 6/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Frontier Logo
7:52 pm - 10:15 am
BUF
-
ISP
14h 23m
1 stop
Frontier Logo
11:00 am - 6:59 pm
ISP
-
BUF
7h 59m
1 stop
$236Frontier
Fri, Jun 5 - Mon, Jun 8
Frontier Logo
9:02 pm - 8:57 pm
BUF
-
ISP
23h 55m
1 stop
Frontier Logo
9:52 pm - 7:12 pm
ISP
-
BUF
21h 20m
1 stop
$242Frontier
Thu, Jun 11 - Wed, Jun 17
Frontier Logo
9:02 pm - 9:58 am
BUF
-
ISP
12h 56m
1 stop
Frontier Logo
10:48 am - 7:06 pm
ISP
-
BUF
8h 18m
1 stop
$259Frontier
Tue, Jul 21 - Thu, Jul 23
Frontier Logo
9:02 pm - 8:57 pm
BUF
-
ISP
23h 55m
1 stop
Frontier Logo
9:52 pm - 7:12 pm
ISP
-
BUF
21h 20m
1 stop
$261Frontier
Thu, Jun 11 - Wed, Jun 17
Southwest Logo
2:50 pm - 11:40 pm
BUF
-
ISP
8h 50m
2 stops
Southwest Logo
5:50 pm - 12:10 am
ISP
-
BUF
6h 20m
1 stop
$270Southwest
Fri, Jun 5 - Mon, Jun 8
Frontier Logo
7:57 pm - 8:57 pm
BUF
-
ISP
25h 00m
1 stop
Frontier Logo
4:41 pm - 7:12 pm
ISP
-
BUF
26h 31m
1 stop
$282Frontier
Fri, Jun 19 - Tue, Jun 23
Southwest Logo
11:00 am - 10:35 pm
BUF
-
ISP
11h 35m
2 stops
Southwest Logo
4:40 pm - 10:40 pm
ISP
-
BUF
6h 00m
1 stop
$285Southwest
Wed, Jun 24 - Tue, Jul 28
Frontier Logo
7:57 pm - 8:57 pm
BUF
-
ISP
25h 00m
1 stop
Frontier Logo
9:52 pm - 1:55 pm
ISP
-
BUF
16h 03m
2 stops
$286Frontier
Fri, Jun 12 - Sun, Jun 14
Frontier Logo
7:57 pm - 8:57 pm
BUF
-
ISP
25h 00m
1 stop
Frontier Logo
4:41 pm - 7:06 pm
ISP
-
BUF
26h 25m
1 stop
$287Frontier
Wed, Jun 24 - Tue, Jul 28
Frontier Logo
9:02 pm - 9:58 am
BUF
-
ISP
12h 56m
1 stop
Frontier Logo
10:48 am - 9:14 pm
ISP
-
BUF
10h 26m
1 stop
$294Frontier
Thu, Jul 9 - Sat, Jul 11

Southwest flights from Buffalo to Islip, New York

Our best Southwest deals on Buffalo to Islip, New York flight tickets
Southwest
Jun 5
BUF2:50 pmBuffalo
8h 50m
2 stops
ISP11:40 pmIslip Long Island
Jun 8
ISP5:50 pmIslip Long Island
6h 20m
1 stop
BUF12:10 amBuffalo
$270
Southwest
Jun 24
BUF11:00 amBuffalo
11h 35m
2 stops
ISP10:35 pmIslip Long Island
Jul 28
ISP4:40 pmIslip Long Island
6h 00m
1 stop
BUF10:40 pmBuffalo
$285
Southwest
Jun 3
BUF1:10 pmBuffalo
5h 20m
1 stop
ISP6:30 pmIslip Long Island
Jun 6
ISP5:35 pmIslip Long Island
5h 35m
1 stop
BUF11:10 pmBuffalo
$326

Frontier flights from Buffalo to Islip, New York

Our best Frontier deals on Buffalo to Islip, New York flight tickets
Frontier
Jun 5
BUF7:52 pmBuffalo
14h 23m
1 stop
ISP10:15 amIslip Long Island
Jun 8
ISP11:00 amIslip Long Island
7h 59m
1 stop
BUF6:59 pmBuffalo
$236
Frontier
Jun 11
BUF9:02 pmBuffalo
23h 55m
1 stop
ISP8:57 pmIslip Long Island
Jun 17
ISP9:52 pmIslip Long Island
21h 20m
1 stop
BUF7:12 pmBuffalo
$242
Frontier
Jul 21
BUF9:02 pmBuffalo
12h 56m
1 stop
ISP9:58 amIslip Long Island
Jul 23
ISP10:48 amIslip Long Island
8h 18m
1 stop
BUF7:06 pmBuffalo
$259

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 May 18, 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 - ISP

BUFISP

Buffalo

Fri 6/5

7:52 pm-10:15 am

1 stop14h 23m

Islip Long Island

Mon 6/8

11:00 am-6:59 pm

1 stop7h 59m

$236

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Thu 6/11

9:02 pm-8:57 pm

1 stop23h 55m

Islip Long Island

Wed 6/17

9:52 pm-7:12 pm

1 stop21h 20m

$242

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Tue 7/21

9:02 pm-9:58 am

1 stop12h 56m

Islip Long Island

Thu 7/23

10:48 am-7:06 pm

1 stop8h 18m

$259

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Thu 6/11

9:02 pm-8:57 pm

1 stop23h 55m

Islip Long Island

Wed 6/17

9:52 pm-7:12 pm

1 stop21h 20m

$261
Quickest round-trip

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Fri 6/5

2:50 pm-11:40 pm

2 stops8h 50m

Islip Long Island

Mon 6/8

5:50 pm-12:10 am

1 stop6h 20m

$270

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Fri 6/19

7:57 pm-8:57 pm

1 stop25h 00m

Islip Long Island

Tue 6/23

4:41 pm-7:12 pm

1 stop26h 31m

$282

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Wed 6/24

11:00 am-10:35 pm

2 stops11h 35m

Islip Long Island

Tue 7/28

4:40 pm-10:40 pm

1 stop6h 00m

$285

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Fri 6/12

7:57 pm-8:57 pm

1 stop25h 00m

Islip Long Island

Sun 6/14

9:52 pm-1:55 pm

2 stops16h 03m

$286

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Wed 6/24

7:57 pm-8:57 pm

1 stop25h 00m

Islip Long Island

Tue 7/28

4:41 pm-7:06 pm

1 stop26h 25m

$287

BuffaloIslip

BUF - ISP

BUFISP

Buffalo

Thu 7/9

9:02 pm-9:58 am

1 stop12h 56m

Islip Long Island

Sat 7/11

10:48 am-9:14 pm

1 stop10h 26m

$294

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 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 34% 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 05m

Direct flights

None
The fastest flight from Buffalo to Islip, New York takes 3h 05m
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 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 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
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.

An easier way to manage your Islip, New York trip

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