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Islip

$354+ Cheap flights from Burlington, VT to Islip, NY (BTV - ISP)

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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
BTV — ISP
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
1 adult, Economy
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Cheap flight deals from Burlington to Islip

Cheapest flights from Burlington to Islip
Explore the most affordable flight options available from Burlington to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 12, 2026.

This KAYAK deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/312:24 pm
BTV
-
ISP
1 stop25h 04m
Breeze Airways
Mon 9/72:28 pm
ISP
-
BTV
1 stop22h 17m
Breeze Airways
Deal found 3/10$655
This KAYAK deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/136:43 pm
BTV
-
ISP
1 stop24h 12m
Breeze Airways
Mon 3/162:31 pm
ISP
-
BTV
1 stop22h 12m
Breeze Airways
Deal found 3/10$1,315

Find flight deals from Burlington to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Burlington (BTV) 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 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$655
(KAYAK)

One-way from

$354
(KAYAK)

Popular in

December

Cheapest in

May

Average price

$337
Provider with most accurate pricing for Burlington-Islip Long Island flight deals.
Search Deals
Provider most trusted by Cheapflights users for Burlington-Islip Long Island flights.
Search Deals
From Burlington to Islip Long Island
Search Deals
One-way flight from Burlington to Islip Long Island
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Burlington 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 2,558,603 searches. Data last updated March 12, 2026.
Use the filters below to find and compare flights from Burlington to Islip that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

BurlingtonIslip

BTV - ISP

BTVISP

Burlington

Thu 9/3

12:24 pm-1:28 pm

1 stop25h 04m

Islip Long Island

Mon 9/7

2:28 pm-12:45 pm

1 stop22h 17m

$655
Cheapest one-way

BurlingtonIslip

BTV - ISP

BTVISP

Burlington

Thu 4/30

12:23 pm-1:31 pm

1 stop25h 08m

$354
Quickest one-way

BurlingtonIslip

BTV - ISP

BTVISP

Burlington

Sat 5/2

5:56 pm-11:15 am

2 stops17h 19m

$429

BurlingtonIslip

BTV - ISP

BTVISP

Burlington

Wed 4/8

5:56 pm-6:46 pm

3 stops24h 50m

$431

BurlingtonIslip

BTV - ISP

BTVISP

Burlington

Sun 5/3

12:23 pm-8:05 pm

3 stops31h 42m

$625

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Sorted by cheapest first

Compare providers for flights from Burlington to Islip

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Burlington to Islip in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Burlington, Vermont-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Burlington, Vermont-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Burlington, Vermont-Islip, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Burlington, Vermont-Islip, New York flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Burlington, Vermont-Islip, New York flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Burlington to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Burlington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Burlington to Islip

What is the cheapest month to book a flight from Burlington, Vermont to Islip, New York?

Currently, April is the cheapest month in which you can book a flight from Burlington, Vermont to Islip, New York (average of $133). Flying from Burlington, Vermont to Islip, New York in December is currently the most expensive (average of $199). 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.

Related info for your journey

Find useful and relevant information for your journey from Burlington to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Burlington, Vermont to Islip, New York?

    A quick flight from Burlington, Vermont to Islip, New York can take about 25h 04m. Breeze Airways provides one of the quickest options available for as low as $655. Burlington, Vermont and Islip, New York are separated by a distance of 254 mi.

  • Can I find deals for flights from Burlington to Islip that include hotel bookings?

    Yes. In addition to deals on Burlington to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Burlington to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Burlington to Islip.

  • Can I find deals for business class flights from Burlington to Islip?

    Yes. Cheapflights offers flight deals from Burlington to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Burlington, Vermont to Islip, New York?

    Currently, April is the cheapest month in which you can book a flight from Burlington, Vermont to Islip, New York (average of $133). Flying from Burlington, Vermont to Islip, New York in December is currently the most expensive (average of $199). 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.

See more FAQs

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead

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