Cheap flights from Islip to Buffalo (ISP - BUF)

ISP — BUF
May 30 — Jun 61

What is the cheapest day to fly round-trip from Islip, New York to Buffalo?

Users have found that flying from Islip, New York to Buffalo on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Islip, New York to Buffalo?

Find a great deal and save up to 81% by booking at least 32 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Islip, New York to Buffalo within the next two weeks, with the cheapest ticket starting at $264.

What is the cheapest month to fly from Islip, New York to Buffalo?

The best pricing can be found in the month of August. Prices to Buffalo from Islip, New York average $211. You can even find prices in August for less than $211, as users have found deals to Buffalo from as low as $96. The month of June appears to be one of the more expensive times to travel to Buffalo from Islip, New York. Flying in the targeted month can save you up to 13%.

When is the cheapest time to fly from Islip, New York to Buffalo (ISP - BUF)?

It’s typically best to fly out from Islip, New York to Buffalo at noon. Doing so could potentially save you 20% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap flights from Islip to Buffalo in May, June 2022

The best prices found for ISP to BUF flights for May, June
Jun 28 - Jun 29
ISP

Islip Long Island

BUF

Buffalo

1 stop

7h 59m
BUF

Buffalo

ISP

Islip Long Island

1 stop

15h 19m
$276

Frontier

View Deal

Deal found 5/22/22

Jun 1 - Jun 2
ISP

Islip Long Island

BUF

Buffalo

1 stop

14h 30m
BUF

Buffalo

ISP

Islip Long Island

1 stop

14h 17m
$296

American Airlines

View Deal

Deal found 5/23/22

Jun 3 - Jun 5
ISP

Islip Long Island

BUF

Buffalo

1 stop

5h 44m
BUF

Buffalo

ISP

Islip Long Island

1 stop

9h 09m
$297

American Airlines

View Deal

Deal found 5/24/22

Islip to Buffalo 2022 flight deals

Cheap flights to Buffalo from Islip found for this year
Sep 10 - Sep 12
ISP

Islip Long Island

BUF

Buffalo

2 stops

29h 06m
BUF

Buffalo

ISP

Islip Long Island

2 stops

19h 08m
$239

American Airlines

View Deal

Deal found 5/24/22

Sep 10 - Sep 12
ISP

Islip Long Island

BUF

Buffalo

1 stop

6h 04m
BUF

Buffalo

ISP

Islip Long Island

2 stops

32h 55m
$260

American Airlines

View Deal

Deal found 5/24/22

Jun 28 - Jun 29
ISP

Islip Long Island

BUF

Buffalo

1 stop

7h 59m
BUF

Buffalo

ISP

Islip Long Island

1 stop

15h 19m
$276

Frontier

View Deal

Deal found 5/22/22

Cheap Frontier flights from Islip to Buffalo

Jun 28 - Jun 29
ISP

Islip Long Island

BUF

Buffalo

1 stop

7h 59m
BUF

Buffalo

ISP

Islip Long Island

1 stop

15h 19m
$276

Frontier

View Deal

Deal found 5/22/22

Jun 23 - Jun 30
ISP

Islip Long Island

BUF

Buffalo

1 stop

7h 59m
BUF

Buffalo

ISP

Islip Long Island

1 stop

13h 05m
$314

Frontier

View Deal

Deal found 5/24/22

Jun 1 - Jun 7
ISP

Islip Long Island

BUF

Buffalo

1 stop

14h 19m
BUF

Buffalo

ISP

Islip Long Island

1 stop

6h 53m
$320

Frontier

View Deal

Deal found 5/25/22

Cheap American Airlines flights from Islip to Buffalo

Sep 10 - Sep 12
ISP

Islip Long Island

BUF

Buffalo

2 stops

29h 06m
BUF

Buffalo

ISP

Islip Long Island

2 stops

19h 08m
$239

American Airlines

View Deal

Deal found 5/24/22

Sep 10 - Sep 12
ISP

Islip Long Island

BUF

Buffalo

1 stop

6h 04m
BUF

Buffalo

ISP

Islip Long Island

2 stops

32h 55m
$260

American Airlines

View Deal

Deal found 5/24/22

Oct 12 - Oct 15
ISP

Islip Long Island

BUF

Buffalo

1 stop

11h 35m
BUF

Buffalo

ISP

Islip Long Island

1 stop

13h 21m
$285

American Airlines

View Deal

Deal found 5/24/22

Last minute flights from Islip to Buffalo

Late deals on return flights to Buffalo from Islip, departing today and this week
Jun 1 - Jun 2
ISP

Islip Long Island

BUF

Buffalo

1 stop

14h 30m
BUF

Buffalo

ISP

Islip Long Island

1 stop

14h 17m
$296

American Airlines

View Deal

Deal found 5/23/22

Jun 3 - Jun 5
ISP

Islip Long Island

BUF

Buffalo

1 stop

5h 44m
BUF

Buffalo

ISP

Islip Long Island

1 stop

9h 09m
$297

American Airlines

View Deal

Deal found 5/24/22

Jun 1 - Jun 2
ISP

Islip Long Island

BUF

Buffalo

1 stop

4h 35m
BUF

Buffalo

ISP

Islip Long Island

2 stops

20h 35m
$299

American Airlines

View Deal

Deal found 5/23/22

One-way flights to Buffalo from Islip

The cheapest one-way flights from Islip to Buffalo
Jun 23
ISP

Islip Long Island

BUF

Buffalo

1 stop

7h 59m
$110

Frontier

View Deal

Deal found 5/25/22

Jun 14
ISP

Islip Long Island

BUF

Buffalo

1 stop

7h 59m
$112

Frontier

View Deal

Deal found 5/23/22

Sep 10
ISP

Islip Long Island

BUF

Buffalo

2 stops

16h 04m
$116

American Airlines

View Deal

Deal found 5/25/22

Related info for your journey

Useful info, stats and facts about Islip to Buffalo flights.

Which airlines flying from Islip Long Island to Buffalo have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines and Linear Air Taxi flying from Islip Long Island to Buffalo have implemented new flexible cancellation policies.

Can I find flights from Islip, New York to Buffalo for under $300 on Cheapflights?

Yes, there are multiple flights from Islip, New York to Buffalo for under $300. The cheapest flight booked recently is on American Airlines for just $239, but on average you can expect to pay $314.

Are there last-minute flights available from Islip, New York to Buffalo for under $300?

There are currently 11+ open flights from Islip, New York to Buffalo within the next 7 days for less than $300.

What are the most popular airlines that fly from Islip, New York to Buffalo?

The most popular airlines flying from Islip, New York to Buffalo are American Airlines, Frontier and Linear Air Taxi. Something to consider prior to booking your flight.

What are the cheapest flights from Islip, New York to Buffalo?

Looking at all options, your cheapest flight can be booked for $243. While the most popular route (Islip Long Island - Buffalo) can be booked for $296 on average our data indicates $275 when flying from Islip, New York to Buffalo.

Alternative routes for Islip to Buffalo

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Islip to Buffalo

The chart below displays the airlines Cheapflights users traveling from Islip to Buffalo choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
American AirlinesCheapest$190Average$336FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights