HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Islip

$473+ Cheap flights from Burlington to Islip (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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
BTV — ISP
Oct 13 — Oct 201
Mon 10/13
Mon 10/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Burlington to Islip with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 September 13, 2025.

Round-trip from

$964
(Gotogate)

One-way from

$473
(KAYAK)

Popular in

August

Cheapest in

May

Average price

$318
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. 1% potential increase in price ($6 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 September 2025
Search Deals

Find 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 September 13, 2025.

This Gotogate deal was found by Cheapflights users on 9/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/85:47 pmBTV - ISP
2 stops17h 13mBreeze Airways
Fri 10/102:25 pmISP - BTV
2 stops19h 48mBreeze Airways
Deal found 9/11$964

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 September 13, 2025.
Use the filters below to find and compare flights from Burlington to Islip that are best for you.

Fly from

Burlington

Fly to

Islip

Route

Depart

Return

Price

BurlingtonIslip

BTV - ISP

BTVISP

Burlington

Wed 10/8

5:47 pm-11:00 am

2 stops17h 13m

Islip Long Island

Fri 10/10

2:25 pm-10:13 am

2 stops19h 48m

$964

BurlingtonIslip

BTV - ISP

BTVISP

Burlington

Wed 9/24

10:53 am-6:56 pm

3 stops32h 03m

$473

BurlingtonIslip

BTV - ISP

BTVISP

Burlington

Tue 9/23

12:20 pm-7:41 pm

3 stops31h 21m

$514

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

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 to Islip?

Currently, January is the cheapest month in which you can book a flight from Burlington to Islip (average of $108). Flying from Burlington to Islip in November is currently the most expensive (average of $213). 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 to Islip?

    Departing from Burlington to Islip will take you 17h 13m. Airlines will cover 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 to Islip?

    Currently, January is the cheapest month in which you can book a flight from Burlington to Islip (average of $108). Flying from Burlington to Islip in November is currently the most expensive (average of $213). 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
Southampton

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 Burlington to Islip

See prices for flight routes from nearby airports that may be better suited for you.
Burlington to John F Kennedy Intl flights
Burlington to Newark flights
Burlington to LaGuardia flights
Hartford to Buffalo flights
Hartford to LaGuardia flights
Hartford to John F Kennedy Intl flights
Hartford to Newark flights
Hartford to Rochester flights
Albany to John F Kennedy Intl flights
Albany to LaGuardia flights
Albany to Newark flights
Burlington to Buffalo flights
Hartford to Syracuse flights
Burlington to Rochester flights
Albany to Buffalo flights
Albany to Islip flights
Lebanon to John F Kennedy Intl flights
Albany to Rochester flights
Lebanon to Buffalo flights
Hartford to White Plains flights
Burlington to Stewart flights
Lebanon to Newark flights
Burlington to Binghamton flights
Albany to White Plains flights
Hartford to Elmira flights
Albany to Ogdensburg flights
Albany to Plattsburgh flights
Albany to Stewart flights
Hartford to Stewart flights
Lebanon to Albany flights
Hartford to Niagara Falls flights

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.