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Cheap flights from Islip, New York to Buffalo from $119

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Islip, New York to Buffalo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
9:40 am - 3:20 pmISP  Islip Long Island-BUF Buffalo
5h 40m1 stop Baltimore/Washington
Southwest Logo
11:05 am - 3:45 pmBUF  Buffalo-ISP Islip Long Island
4h 40m1 stop Baltimore/Washington
$217Southwest
Tue, Oct 27 - Wed, Oct 28
Southwest Logo
6:05 am - 2:35 pmISP  Islip Long Island-BUF Buffalo
8h 30m2 stops Baltimore/Washington Nashville Intl
Southwest Logo
4:25 pm - 10:40 pmBUF  Buffalo-ISP Islip Long Island
6h 15m1 stop Baltimore/Washington
$222Southwest
Tue, Oct 27 - Wed, Oct 28
Southwest Logo
5:40 pm - 11:45 pmISP  Islip Long Island-BUF Buffalo
6h 05m1 stop Baltimore/Washington
Southwest Logo
12:45 pm - 4:15 pmBUF  Buffalo-ISP Islip Long Island
3h 30m1 stop Baltimore/Washington
$227Southwest
Fri, Dec 11 - Mon, Dec 14
Southwest Logo
6:05 am - 2:35 pmISP  Islip Long Island-BUF Buffalo
8h 30m2 stops Baltimore/Washington Nashville Intl
Southwest Logo
2:00 pm - 10:40 pmBUF  Buffalo-ISP Islip Long Island
8h 40m2 stops Chicago Midway Baltimore/Washington
$227Southwest
Tue, Oct 27 - Wed, Oct 28
Southwest Logo
12:25 pm - 9:10 pmISP  Islip Long Island-BUF Buffalo
8h 45m2 stops Baltimore/Washington Chicago Midway
Southwest Logo
12:45 pm - 4:15 pmBUF  Buffalo-ISP Islip Long Island
3h 30m1 stop Baltimore/Washington
$232Southwest
Fri, Dec 11 - Mon, Dec 14
Southwest Logo
3:10 pm - 6:40 pmISP  Islip Long Island-BUF Buffalo
3h 30m1 stop Baltimore/Washington
Southwest Logo
9:40 am - 2:30 pmBUF  Buffalo-ISP Islip Long Island
4h 50m1 stop Baltimore/Washington
$289Southwest
Fri, Oct 16 - Mon, Oct 19
Southwest Logo
5:40 pm - 11:45 pmISP  Islip Long Island-BUF Buffalo
6h 05m1 stop Baltimore/Washington
Southwest Logo
5:30 am - 2:30 pmBUF  Buffalo-ISP Islip Long Island
9h 00m2 stops Orlando Baltimore/Washington
$294Southwest
Fri, Oct 16 - Mon, Oct 19
Southwest Logo
9:40 am - 3:20 pmISP  Islip Long Island-BUF Buffalo
5h 40m1 stop Baltimore/Washington
Southwest Logo
9:40 am - 2:30 pmBUF  Buffalo-ISP Islip Long Island
4h 50m1 stop Baltimore/Washington
$302Southwest
Wed, Oct 21 - Thu, Oct 22
JetBlue Logo
6:00 am - 11:59 pmISP  Islip Long Island-BUF Buffalo
17h 59m1 stop Fort Lauderdale
JetBlue Logo
7:35 am - 9:37 pmBUF  Buffalo-ISP Islip Long Island
14h 02m1 stop Fort Lauderdale
$504JetBlue
Wed, Oct 21 - Wed, Oct 28
JetBlue Logo
2:10 pm - 5:34 pmISP  Islip Long Island-BUF Buffalo
27h 24m1 stop Orlando
JetBlue Logo
8:58 am - 1:38 pmBUF  Buffalo-ISP Islip Long Island
28h 40m1 stop Orlando
$531JetBlue
Sat, Oct 31 - Mon, Nov 2

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Southwest flights from Islip, New York to Buffalo

Our best Southwest deals on Islip, New York to Buffalo flight tickets
Southwest
Oct 27
ISP9:40 amIslip Long Island
5h 40m
1 stop
BUF3:20 pmBuffalo
Oct 28
BUF11:05 amBuffalo
4h 40m
1 stop
ISP3:45 pmIslip Long Island
$217
Southwest
Oct 27
ISP6:05 amIslip Long Island
8h 30m
2 stops
BUF2:35 pmBuffalo
Oct 28
BUF4:25 pmBuffalo
6h 15m
1 stop
ISP10:40 pmIslip Long Island
$222
Southwest
Oct 27
ISP6:05 amIslip Long Island
8h 30m
2 stops
BUF2:35 pmBuffalo
Oct 28
BUF2:00 pmBuffalo
8h 40m
2 stops
ISP10:40 pmIslip Long Island
$227

JetBlue flights from Islip, New York to Buffalo

Our best JetBlue deals on Islip, New York to Buffalo flight tickets
JetBlue
Oct 21
ISP6:00 amIslip Long Island
17h 59m
1 stop
BUF11:59 pmBuffalo
Oct 28
BUF7:35 amBuffalo
14h 02m
1 stop
ISP9:37 pmIslip Long Island
$504
JetBlue
Oct 31
ISP2:10 pmIslip Long Island
27h 24m
1 stop
BUF5:34 pmBuffalo
Nov 2
BUF8:58 amBuffalo
28h 40m
1 stop
ISP1:38 pmIslip Long Island
$531
JetBlue
Oct 31
ISP2:10 pmIslip Long Island
27h 24m
1 stop
BUF5:34 pmBuffalo
Nov 2
BUF5:24 pmBuffalo
20h 14m
1 stop
ISP1:38 pmIslip Long Island
$572

momondo Fare Finder

 
Use the filters below to find and compare flights from Islip, New York to Buffalo that are best for you.

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Route

Depart

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Price

Cheapest round-trip

IslipBuffalo

ISP Islip Long Island - BUF Buffalo

ISPBUF

Islip Long Island

Tue 10/27

9:40 am-3:20 pm

1 stop5h 40m

Buffalo

Wed 10/28

11:05 am-3:45 pm

1 stop4h 40m

$217

IslipBuffalo

ISP Islip Long Island - BUF Buffalo

ISPBUF

Islip Long Island

Tue 10/27

6:05 am-2:35 pm

2 stops8h 30m

Buffalo

Wed 10/28

4:25 pm-10:40 pm

1 stop6h 15m

$222

IslipBuffalo

ISP Islip Long Island - BUF Buffalo

ISPBUF

Islip Long Island

Fri 12/11

5:40 pm-11:45 pm

1 stop6h 05m

Buffalo

Mon 12/14

12:45 pm-4:15 pm

1 stop3h 30m

$227

IslipBuffalo

ISP Islip Long Island - BUF Buffalo

ISPBUF

Islip Long Island

Tue 10/27

6:05 am-2:35 pm

2 stops8h 30m

Buffalo

Wed 10/28

2:00 pm-10:40 pm

2 stops8h 40m

$227

IslipBuffalo

ISP Islip Long Island - BUF Buffalo

ISPBUF

Islip Long Island

Fri 12/11

12:25 pm-9:10 pm

2 stops8h 45m

Buffalo

Mon 12/14

12:45 pm-4:15 pm

1 stop3h 30m

$232
Quickest round-trip

IslipBuffalo

ISP Islip Long Island - BUF Buffalo

ISPBUF

Islip Long Island

Fri 10/16

3:10 pm-6:40 pm

1 stop3h 30m

Buffalo

Mon 10/19

9:40 am-2:30 pm

1 stop4h 50m

$289

IslipBuffalo

ISP Islip Long Island - BUF Buffalo

ISPBUF

Islip Long Island

Fri 10/16

5:40 pm-11:45 pm

1 stop6h 05m

Buffalo

Mon 10/19

5:30 am-2:30 pm

2 stops9h 00m

$294

IslipBuffalo

ISP Islip Long Island - BUF Buffalo

ISPBUF

Islip Long Island

Wed 10/21

9:40 am-3:20 pm

1 stop5h 40m

Buffalo

Thu 10/22

9:40 am-2:30 pm

1 stop4h 50m

$302

IslipBuffalo

ISP Islip Long Island - BUF Buffalo

ISPBUF

Islip Long Island

Wed 10/21

6:00 am-11:59 pm

1 stop17h 59m

Buffalo

Wed 10/28

7:35 am-9:37 pm

1 stop14h 02m

$504

IslipBuffalo

ISP Islip Long Island - BUF Buffalo

ISPBUF

Islip Long Island

Sat 10/31

2:10 pm-5:34 pm

1 stop27h 24m

Buffalo

Mon 11/2

8:58 am-1:38 pm

1 stop28h 40m

$531

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Buffalo from

How to get the cheapest flight ticket from Islip, New York to Buffalo

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 day to depart on your flight to Buffalo?

Our data shows that Tuesday is the least expensive day to fly to Buffalo. Tickets to fly out on this day can be as low as $247. Flights from Islip, New York to Buffalo on a Monday will generally be more expensive and average around $277. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Buffalo?

At noon is the cheapest time of day to fly from Islip, New York to Buffalo when you can find flight prices for as low as $255. Flying to Buffalo at noon is an ideal time because this is during off-peak travel hours. In the afternoon is when there is more demand to fly to Buffalo, so prices are often more expensive at around $277 per ticket.

When to book flights from Islip, New York to Buffalo

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to Buffalo according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Islip, New York to Buffalo (ISP to BUF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Buffalo

Best Price Found

$119

Fastest flight time

3h 30m

Direct flights

None
The best one-way flight to Buffalo from Islip, New York in the past 72 hours is $119. The best round-trip flight deal from Islip, New York to Buffalo found on momondo in the last 72 hours is $217.
The fastest flight from Islip, New York to Buffalo takes 3h 30m
There are no direct flights from Islip, New York to Buffalo. There are no popular flight routes from Islip, New York to Buffalo.
Search flight deals

Frequently asked questions about flying from Islip, New York to Buffalo

  • How far is Islip Long Island to Buffalo by plane?

    Islip Long Island and Buffalo are 327.4 mi apart from one another. In terms of flight time, this usually takes a little over 3h 30m.

  • When did momondo last update prices for flights from Islip Long Island Airport to Buffalo Airport?

    Prices for flights from Islip Long Island Airport to Buffalo Airport are updated daily.

  • How many operators does momondo search for flights from Islip Long Island Airport to Buffalo Airport?

  • How old do you have to be to fly from Islip Long Island Airport to Buffalo Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to Buffalo Airport.

  • What documentation or ID do you need to fly to Buffalo Airport?

    The travel and health documents required for your trip to Buffalo Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Buffalo Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Islip, New York to Buffalo?

Best airlines flying from Islip, New York to Buffalo

Compare and see reviews for airlines that fly from Islip, New York to Buffalo with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $239Free CancellationRating
8.0
4,201 reviews
Search Southwest flights

Traveling to a place near Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Batavia
Cheektowaga
Amherst
Williamsville
Tonawanda
Bowmansville
Lockport
West Seneca
Orchard Park
Grand Island
East Aurora
Angola

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Buffalo?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Buffalo from Islip.

Can I find flights from Islip to Buffalo with flexible booking policies on momondo?

All flight searches from Islip to Buffalo on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Islip to Buffalo?

momondo provides multiple filters to help you find the best flight to Buffalo from Islip. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Islip to Buffalo right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Buffalo from Islip. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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