In terms of precipitation, rainfall in Burlington ranges from 1.7 - 3.9 inches per month. July is typically the wettest month, when rainfall can reach 3.9 in. February is typically the driest time to visit Burlington when rainfall is around 1.7 in.

If weather is an important factor for your trip to Burlington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.6 F).

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

Travelers have found it’s best to book a flight 29 days in advance to save up to 82% 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 29 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 Islip, New York to Burlington 1-2 weeks in advance for as low as $399, or $399 for flights within the next 24 hours.

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

The best pricing can be found in the month of April. Prices to Burlington from Islip, New York average $321. You can even find prices in April for less than $321, as users have found deals to Burlington from as low as $159. The month of February appears to be one of the more expensive times to travel to Burlington from Islip, New York. Flying in the targeted month can save you up to 24%.

What is the cheapest time of day to fly from ISP to BTV?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islip, New York to Burlington as you normally would.

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

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

How can I find direct flights from Islip to Burlington?

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

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

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

$532+ Flights from Islip, NY to Burlington

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Cheap flight deals from Islip to Burlington

Round-trip from	$1,073 (Mytrip)
One-way from	$532 (KAYAK)
Popular in	February
Cheapest in	April
Average price	$367

From Islip Long Island to Burlington

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One-way flight from Islip Long Island to Burlington

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Highest demand for flights based on searches. 4% potential increase in price ($15 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Islip to Burlington

Cheapest flights from Islip to Burlington
Explore the most affordable flight options available from Islip to Burlington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 30, 2025.

sáb. 8/22:19 pmISP - BTV

2 stops8h 53mMultiple Airlines

mar. 8/55:47 amBTV - ISP

2 stops7h 37mMultiple Airlines

Deal found 7/29

$881

sáb. 8/27:25 pmISP - BTV

2 stops16h 09mBreeze Airways

mar. 8/51:29 pmBTV - ISP

1 stop24h 46mBreeze Airways

Deal found 7/29

$1,145

Best flights from Islip to Burlington
Discover carefully curated flight deals from Islip to Burlington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 30, 2025.

sáb. 8/22:19 pmISP - BTV

2 stops8h 53mMultiple Airlines

mar. 8/55:47 amBTV - ISP

2 stops7h 37mMultiple Airlines

Deal found 7/29

$881

sáb. 8/27:25 pmISP - BTV

2 stops16h 09mBreeze Airways

mar. 8/51:29 pmBTV - ISP

1 stop24h 46mBreeze Airways

Deal found 7/29

$1,145

Last-minute flights from Islip to Burlington
Discover last-minute flight deals from Islip to Burlington. Data last updated julio 30, 2025 and is based on user searches.

sáb. 8/22:19 pmISP - BTV

2 stops8h 53mMultiple Airlines

mar. 8/55:47 amBTV - ISP

2 stops7h 37mMultiple Airlines

Deal found 7/29

$881

sáb. 8/27:25 pmISP - BTV

2 stops16h 09mBreeze Airways

mar. 8/51:29 pmBTV - ISP

1 stop24h 46mBreeze Airways

Deal found 7/29

$1,145

jue. 8/77:39 pmISP - BTV

2 stops21h 56mBreeze Airways

dom. 8/1012:14 pmBTV - ISP

1 stop27h 05mBreeze Airways

Deal found 7/27

$1,203

jue. 8/711:53 amISP - BTV

2 stops11h 17mMultiple Airlines

dom. 8/106:00 amBTV - ISP

2 stops14h 01mMultiple Airlines

Deal found 7/27

$1,406

One-way flights from Islip to Burlington
Search for one-way flight options from Islip to Burlington. Find affordable one-way fares based on user searches. Data last updated julio 30, 2025.

lun. 8/410:44 amISP - BTV

3 stops26h 05mBreeze Airways

Deal found 7/29

$532

Fly from

Fly to

Route

Depart

Return

Price

IslipBurlington

ISP - BTV

ISPBTV

Islip Long Island

sáb. 8/2

2:19 pm-11:12 pm

2 stops8h 53m

Burlington

mar. 8/5

5:47 am-1:24 pm

2 stops7h 37m

$881

IslipBurlington

ISP - BTV

ISPBTV

Islip Long Island

sáb. 8/2

7:25 pm-11:34 am

2 stops16h 09m

Burlington

mar. 8/5

1:29 pm-2:15 pm

1 stop24h 46m

$1,145

IslipBurlington

ISP - BTV

ISPBTV

Islip Long Island

lun. 8/4

10:44 am-12:49 pm

3 stops26h 05m

$532

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Islip to Burlington

Have a flexible travel schedule? Discover the best time to fly to Burlington from Islip 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 Islip to Burlington

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

Currently, January is the cheapest month in which you can book a flight from Islip, New York to Burlington (average of $327). Flying from Islip, New York to Burlington in December is currently the most expensive (average of $441). 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.

Reviews of airlines servicing Burlington

Read through reviews of airlines operating flights from Islip to Burlington, such as Breeze Airways. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Breeze Airways

8.0

Very good

191 reviews

Reviews

1 / 13

8.0

Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!

Breeze Airways

8.0

Very good

191 reviews

Breeze Airways

8.0

Very good

191 reviews

Reviews

1 / 13

8.0

Excellent

Anonymous,Jul 2025

RIC - BDL

All went smoothly but the announcements from the crew were way to fast--approaching inaudible. Pilot announcements were perfect!

Related info for your journey

Can I find deals for flights from Islip to Burlington that include hotel bookings?
Yes. In addition to deals on Islip to Burlington flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Islip to Burlington?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Burlington.
Can I find deals for business class flights from Islip to Burlington?
Yes. Cheapflights offers flight deals from Islip to Burlington 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 Islip, New York to Burlington?
Currently, January is the cheapest month in which you can book a flight from Islip, New York to Burlington (average of $327). Flying from Islip, New York to Burlington in December is currently the most expensive (average of $441). 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

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$532+ Cheap flights from Islip, NY to Burlington (ISP - BTV)

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Islip to Burlington with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Islip to Burlington

Round-trip from

One-way from

Popular in

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Average price

Find flight deals from Islip to Burlington

Cheapest flights from Islip to BurlingtonExplore the most affordable flight options available from Islip to Burlington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 30, 2025.

Explore the most affordable flight options available from Islip to Burlington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 30, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Islip to Burlington

Have a flexible travel schedule? Discover the best time to fly to Burlington from Islip with our price prediction graph.

Cheapflights Insights

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

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

Reviews of airlines servicing Burlington

Read through reviews of airlines operating flights from Islip to Burlington, such as Breeze Airways. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

How can I find direct flights from Islip to Burlington?

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

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

Traveling to a place near Burlington?

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

Alternative routes for Islip to Burlington

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Travel Smart

Cheapest flights from Islip to Burlington
Explore the most affordable flight options available from Islip to Burlington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 30, 2025.