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$176+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BTV
Jul 16 — Jul 231
Thu 7/16
Thu 7/23
1 adult, Economy
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Cheap 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 June 16, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:57 am
ISP
-
BTV
1 stop23h 47m
Breeze Airways
Mon 7/612:36 pm
BTV
-
ISP
1 stop7h 27m
Breeze Airways
Deal found 6/15$524
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/75:27 pm
ISP
-
BTV
2 stops16h 50m
Multiple Airlines
Fri 7/1012:36 pm
BTV
-
ISP
1 stop24h 57m
Multiple Airlines
Deal found 6/12$621
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:48 am
ISP
-
BTV
2 stops24h 56m
Multiple Airlines
Mon 7/612:36 pm
BTV
-
ISP
1 stop7h 27m
Multiple Airlines
Deal found 6/15$657
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/142:08 pm
ISP
-
BTV
2 stops19h 03m
Breeze Airways
Mon 7/2012:36 pm
BTV
-
ISP
1 stop7h 27m
Breeze Airways
Deal found 6/14$675
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1111:57 am
ISP
-
BTV
1 stop23h 47m
Breeze Airways
Sat 7/189:51 am
BTV
-
ISP
2 stops32h 15m
Breeze Airways
Deal found 6/11$693
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/217:49 pm
ISP
-
BTV
2 stops16h 07m
Breeze Airways
Sun 6/2812:24 pm
BTV
-
ISP
1 stop25h 04m
Breeze Airways
Deal found 6/16$713
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1111:57 am
ISP
-
BTV
1 stop23h 47m
Multiple Airlines
Sat 7/189:51 am
BTV
-
ISP
1 stop9h 10m
Multiple Airlines
Deal found 6/11$738
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/127:49 pm
ISP
-
BTV
2 stops16h 07m
Breeze Airways
Sun 7/1912:24 pm
BTV
-
ISP
1 stop25h 04m
Breeze Airways
Deal found 6/14$947
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/72:08 pm
ISP
-
BTV
2 stops19h 03m
Breeze Airways
Fri 7/1012:36 pm
BTV
-
ISP
3 stops22h 41m
Breeze Airways
Deal found 6/12$989

Find flight deals from Islip to Burlington

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Burlington (BTV). 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 June 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$524
(Kiwi.com)

One-way from

$299
(Kiwi.com)

Popular in

March

Cheapest in

May

Average price

$369
Provider with most accurate pricing for Islip Long Island-Burlington flight deals.
Search Deals
Provider most trusted by Cheapflights users for Islip Long Island-Burlington flights.
Search Deals
From Islip Long Island to Burlington
Search Deals
One-way flight from Islip Long Island to Burlington
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Burlington 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 June 16, 2026.
Use the filters below to find and compare flights from Islip to Burlington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipBurlington

ISP - BTV

ISPBTV

Islip Long Island

Tue 7/7

5:27 pm-10:17 am

2 stops16h 50m

Burlington

Fri 7/10

12:36 pm-1:33 pm

1 stop24h 57m

$621
Quickest round-trip

IslipBurlington

ISP - BTV

ISPBTV

Islip Long Island

Tue 7/14

2:08 pm-9:11 am

2 stops19h 03m

Burlington

Mon 7/20

12:36 pm-8:03 pm

1 stop7h 27m

$675

IslipBurlington

ISP - BTV

ISPBTV

Islip Long Island

Sat 7/11

11:57 am-11:44 am

1 stop23h 47m

Burlington

Sat 7/18

9:51 am-6:06 pm

2 stops32h 15m

$693

IslipBurlington

ISP - BTV

ISPBTV

Islip Long Island

Sat 7/11

11:57 am-11:44 am

1 stop23h 47m

Burlington

Sat 7/18

9:51 am-7:01 pm

1 stop9h 10m

$738

IslipBurlington

ISP - BTV

ISPBTV

Islip Long Island

Tue 7/7

2:08 pm-9:11 am

2 stops19h 03m

Burlington

Fri 7/10

12:36 pm-11:17 am

3 stops22h 41m

$989

IslipBurlington

ISP - BTV

ISPBTV

Islip Long Island

Sat 7/4

7:00 am-5:12 pm

2 stops10h 12m

Burlington

Mon 7/6

4:57 pm-8:15 pm

2 stops27h 18m

$1,021

IslipBurlington

ISP - BTV

ISPBTV

Islip Long Island

Tue 7/7

2:08 pm-9:11 am

2 stops19h 03m

Burlington

Sat 7/11

9:51 am-5:10 pm

2 stops31h 19m

$1,069

IslipBurlington

ISP - BTV

ISPBTV

Islip Long Island

Mon 7/6

2:28 pm-12:45 pm

1 stop22h 17m

Burlington

Thu 7/9

12:24 pm-1:28 pm

1 stop25h 04m

$1,098

IslipBurlington

ISP - BTV

ISPBTV

Islip Long Island

Sun 7/12

5:29 pm-3:12 pm

2 stops21h 43m

Burlington

Sun 7/19

7:42 pm-10:56 am

2 stops15h 14m

$1,101

IslipBurlington

ISP - BTV

ISPBTV

Islip Long Island

Mon 7/6

8:31 pm-12:45 pm

2 stops16h 14m

Burlington

Fri 7/10

12:36 pm-1:33 pm

1 stop24h 57m

$1,168

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Compare providers for flights from Islip to Burlington

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 Islip to Burlington in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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 Islip, New York-Burlington flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Burlington flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Burlington flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-Burlington 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 Islip, New York-Burlington 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 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.

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.

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

    A quick flight from Islip, New York to Burlington can take about 23h 47m. Breeze Airways provides one of the quickest options available for as low as $524. There are 254 mi between Islip, New York and Burlington.

  • 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.

See more FAQs

Traveling to a place near Burlington?

Book flights to Burlington if you plan to visit one of these locations
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