Cheap flights from Buffalo to Islip (BUF - ISP) from $125

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BUF — ISP
Mar 24 — Mar 311

Cheap flight deals from Buffalo to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Islip (ISP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 19, 2024.

Round-trip from

$214

One-way from

$125
From Buffalo to Islip Long Island
One-way flight from Buffalo to Islip Long Island

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

Travelers have found it’s best to book a flight 49 days in advance to save up to 78% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 49 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Buffalo to Islip, New York 1-2 weeks in advance for as low as $228, or $268 for flights within the next 24 hours.

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

February is one of the best times of the year to fly to Islip, New York from Buffalo. Prices for February average $199 per person but you can even find prices for as low as $74. The most expensive prices can be found in the month of November. Opting for a February flight can save you 14% on your journey compared to booking in November

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

When flying from Buffalo to Islip, New York, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Frontier flights from Buffalo to Islip

Explore cheap flight options specifically provided by Frontier for the route between Buffalo and Islip. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Sat 4/208:38 pmBUF - ISP
1 stop12h 05mFrontier
Mon 4/226:50 pmISP - BUF
1 stop12h 56mFrontier
Deal found 3/18$298
Mon 4/158:45 amBUF - ISP
1 stop23h 58mFrontier
Mon 4/226:50 pmISP - BUF
1 stop12h 56mFrontier
Deal found 3/18$309

Cheap Buffalo to Islip flights in March & April 2024

Find cheap flight options from Buffalo to Islip specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Prices were last updated on March 19, 2024.
Sat 4/208:38 pmBUF - ISP
1 stop12h 05mFrontier
Mon 4/226:50 pmISP - BUF
1 stop12h 56mFrontier
Deal found 3/18$298
Mon 4/158:45 amBUF - ISP
1 stop23h 58mFrontier
Mon 4/226:50 pmISP - BUF
1 stop12h 56mFrontier
Deal found 3/18$309

Buffalo to Islip 2024 flight deals

Discover exclusive flight deals for travel between Buffalo and Islip in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Sat 4/208:38 pmBUF - ISP
1 stop12h 05mFrontier
Mon 4/226:50 pmISP - BUF
1 stop12h 56mFrontier
Deal found 3/18$298
Mon 4/158:45 amBUF - ISP
1 stop23h 58mFrontier
Mon 4/226:50 pmISP - BUF
1 stop12h 56mFrontier
Deal found 3/18$309

One-way flights to Islip from Buffalo

Search for one-way flight options from Buffalo to Islip. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Sat 4/208:38 pmBUF - ISP
1 stop12h 05mFrontier
Deal found 3/18$125
Tue 4/911:04 amBUF - ISP
1 stop6h 44mFrontier
Deal found 3/18$159
Fri 4/59:51 pmBUF - ISP
1 stop9h 53mFrontier
Deal found 3/18$255
Thu 7/119:19 pmBUF - ISP
1 stop11h 07mFrontier
Deal found 3/18$355
Sun 3/2411:04 amBUF - ISP
1 stop20h 40mFrontier
Deal found 3/18$590

Find flights from Buffalo to Islip within your budget

Customize your flight search to find flights from Buffalo to Islip 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, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$298 - $309

Route

Depart

Return

Price

BuffaloIslip Long Island

BUF - ISP

BUFISP

Buffalo

Sat 4/20

1 stop12h 05m

Islip Long Island

Mon 4/22

1 stop12h 56m

$298

BuffaloIslip Long Island

BUF - ISP

BUFISP

Buffalo

Mon 4/15

1 stop23h 58m

Islip Long Island

Mon 4/22

1 stop12h 56m

$309

Flights are sorted by cheapest first

Deals found on 3/18

When is the cheapest time to fly from Buffalo to Islip, New York?

Use this chart to determine the cheapest time to fly round-trip from Buffalo to Islip. Price data was last updated on March 17, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Buffalo to Islip, New York flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Islip by month

Plan your trip from Buffalo to Islip by taking into account the cheapest months to travel. The average price of a one-way flight from Buffalo to Islip is currently $297 while a round-trip flight costs $304. Price data was last updated on March 10, 2024.

Currently, December is the cheapest month in which you can book a flight from Buffalo to Islip, New York (average of $78). Flying from Buffalo to Islip, New York in February is currently the most expensive (average of $151). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$101

February

$151

March

$123

April

$139

May

$126

June

$135

July

$142

August

$110

September

$90

October

$96

November

$88

December

$78

Temperature and rainfall in Islip by month

Plan your trip to Islip by taking into account the average temperature and rainfall totals by month.

NYC

Temperature

33.8 - 77 °F

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated March 19, 2024.
6.4
Okay
4,328 reviews

Overall

6.4

Boarding

6.7

Comfort

5.9

Crew

7.2

Food

5.3

Entertainment

5.0

Reviews

1 / 10

Worst flight I have ever taken. Don’t fly with this airline

6.4
Okay
4,328 reviews
6.4
Okay
4,328 reviews

Overall

6.4

Boarding

6.7

Comfort

5.9

Crew

7.2

Food

5.3

Entertainment

5.0

Reviews

1 / 10

Worst flight I have ever taken. Don’t fly with this airline

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Buffalo to Islip, New York for under $300 on Cheapflights?

    Yes, there are multiple flights from Buffalo to Islip, New York for under $300. The cheapest flight booked recently is on Frontier for just $298, but on average you can expect to pay $303.

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

    Frontier, at $298, was found to be the cheapest airline from Buffalo to Islip, New York..

  • What does BUF to ISP mean?

    Great question - BUF to ISP just means Buffalo Airport to Islip Long Island Airport. Now you’ll know what these unique codes when you look for flights!

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Buffalo to Islip
See prices for flight routes from nearby airports that may be better suited for you.

Search flights from Buffalo to Islip by cabin class

Find flights from Buffalo to Islip, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Weekly flight availability from Buffalo to Islip

Explore weekly flight availability from Buffalo to Islip. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 19, 2024.
Sunday0daily flights
Monday1daily flight
Tuesday1daily flight
Wednesday1daily flight
Thursday1daily flight
Friday1daily flight
Saturday0daily flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Buffalo to Islip?

Deals for Buffalo to Islip flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Buffalo to Islip?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Buffalo to Islip.

Can Cheapflights find flights from Buffalo to Islip with no change fees?

Yes, we can. To see specific flights from Buffalo to Islip with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Buffalo to Islip become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Islip from Buffalo today and book when prices fit your budget.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.