Cheap Flights from Islip (ISP) to Buffalo (BUF)

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Flight from Islip to Buffalo route information
Origin airport
MacArthur
Destination airport
Buffalo Niagara Intl.
Distance
520 km

Compare flights from Islip to Buffalo easily and book in confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Islip to Buffalo. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Buffalo Niagara Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from MacArthur to Buffalo Niagara Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from MacArthur (ISP) to Buffalo Niagara Intl. (BUF) 

The easiest way to view the best deals on flights from Islip to Buffalo today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from MacArthur to Buffalo Niagara Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Islip and Buffalo
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Islip to Buffalo flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from MacArthur to Buffalo Niagara Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from ISP to Buffalo Niagara Intl. Airport (BUF)?
Start packing your suitcase, because round-trip journeys from MacArthur Airport to Buffalo Niagara Intl. Airport (BUF) start from . That’s based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book today to lock in the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from MacArthur Airport (ISP) to Buffalo Niagara International Airport?
We get that life can throw the odd curveball, so we’ve made it as simple as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from MacArthur Airport (ISP) to Buffalo Niagara International Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for ISP to Buffalo Niagara Intl. Airport (BUF) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from MacArthur Airport to BUF?
You might not get through a whole movie on this flight — it’s only 520 kilometres from Ronkonkoma to Buffalo. Sit down, order some food and you’ll be touching down in next to no time.
Which airlines fly direct from ISP to BUF?
If you want to fly straight from MacArthur Airport (ISP) to Buffalo Niagara Intl. Airport (BUF), you’ll need to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly on this route.
Are MacArthur Airport (ISP) to Buffalo Niagara International Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes nab a bargain, with some super cheap fares from MacArthur Airport (ISP) to BUF showing up a few weeks before the date of departure. If you’d rather plan ahead, Expedia compares and updates the best flight deals continuously — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines advertise prices that far in advance.
Islip Airports

New York

John F. Kennedy Intl. to Buffalo
£129.35
LaGuardia to Buffalo
£141.50
*Available to Expedia members.