$272+ Cheap flights from Islip, NY to Burlington (ISP - BTV)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BTV
Oct 14 — Oct 211
Round-trip
1 adult, Economy
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Find cheap flights from Islip to Burlington 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 Islip to Burlington
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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 September 14, 2026.
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 September 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:43 pm -
1 stop16h 29m
Tue 9/291:35 pm -
1 stop21h 45m
Deal found 9/10![Multiple Airlines logo]()
$461
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/131:38 pm -
2 stops20h 34m
Tue 10/201:35 pm -
1 stop21h 45m
Deal found 9/13![Breeze Airways logo]()
$548
This Booking.com deal was found by Cheapflights users on 9/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:52 am -
1 stop25h 03m
Fri 10/212:37 pm -
2 stops29h 51m
Deal found 9/12![Breeze Airways logo]()
$834
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:00 pm -
1 stop23h 52m
Fri 9/1812:37 pm -
2 stops52h 21m
Deal found 9/11![Multiple Airlines logo]()
$961
This United deal was found by Cheapflights users on 9/13. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:34 pm -
2 stops21h 17m
Mon 9/217:40 pm -
2 stops15h 16m
Deal found 9/13![Multiple Airlines logo]()
$977
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/207:45 pm -
2 stops15h 02m
Sun 12/2712:32 pm -
1 stop25h 50m
Deal found 9/11![Breeze Airways logo]()
$988
This United deal was found by Cheapflights users on 9/13. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:05 am -
2 stops16h 54m
Sun 10/46:00 am -
2 stops14h 59m
Deal found 9/13![Multiple Airlines logo]()
$1,080
Best flights from Islip to BurlingtonDiscover 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 September 14, 2026.
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 September 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:43 pm -
1 stop16h 29m
Tue 9/291:35 pm -
1 stop21h 45m
Deal found 9/10![Multiple Airlines logo]()
$461
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/131:38 pm -
2 stops20h 34m
Tue 10/201:35 pm -
1 stop21h 45m
Deal found 9/13![Breeze Airways logo]()
$548
This Booking.com deal was found by Cheapflights users on 9/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:52 am -
1 stop25h 03m
Fri 10/212:37 pm -
2 stops29h 51m
Deal found 9/12![Breeze Airways logo]()
$834
This United deal was found by Cheapflights users on 9/13. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:05 am -
2 stops16h 54m
Sun 10/46:00 am -
2 stops14h 59m
Deal found 9/13![Multiple Airlines logo]()
$1,080
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:39 am -
2 stops24h 33m
Tue 9/291:35 pm -
2 stops28h 53m
Deal found 9/10![Breeze Airways logo]()
$1,163
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/259:39 am -
2 stops24h 33m
Mon 9/2812:37 pm -
3 stops22h 43m
Deal found 9/11![Breeze Airways logo]()
$1,229
This Booking.com deal was found by Cheapflights users on 9/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/23:02 pm -
2 stops19h 10m
Sun 10/412:32 pm -
1 stop25h 50m
Deal found 9/13![Breeze Airways logo]()
$1,238
Last-minute flights from Islip to BurlingtonDiscover last-minute flight deals from Islip to Burlington. Data last updated September 14, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Burlington. Data last updated September 14, 2026 and is based on user searches.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:00 pm -
1 stop23h 52m
Fri 9/1812:37 pm -
2 stops52h 21m
Deal found 9/11![Multiple Airlines logo]()
$961
This KAYAK deal was found by Cheapflights users on 9/9. 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.
Sun 9/137:45 pm -
2 stops16h 12m
Wed 9/169:53 am -
2 stops30h 55m
Deal found 9/9![Breeze Airways logo]()
$1,129
This United deal was found by Cheapflights users on 9/13. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:34 pm -
2 stops21h 17m
Mon 9/217:40 pm -
2 stops15h 16m
Deal found 9/13![Multiple Airlines logo]()
$977
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:43 pm -
1 stop16h 29m
Tue 9/291:35 pm -
1 stop21h 45m
Deal found 9/10![Multiple Airlines logo]()
$461
This Booking.com deal was found by Cheapflights users on 9/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2811:52 am -
1 stop25h 03m
Fri 10/212:37 pm -
2 stops29h 51m
Deal found 9/12![Breeze Airways logo]()
$834
This United deal was found by Cheapflights users on 9/13. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:05 am -
2 stops16h 54m
Sun 10/46:00 am -
2 stops14h 59m
Deal found 9/13![Multiple Airlines logo]()
$1,080
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/131:38 pm -
2 stops20h 34m
Tue 10/201:35 pm -
1 stop21h 45m
Deal found 9/13![Breeze Airways logo]()
$548
One-way flights from Islip to BurlingtonSearch for one-way flight options from Islip to Burlington. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.
Search for one-way flight options from Islip to Burlington. Find affordable one-way fares based on user searches. Data last updated September 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:43 pm -
2 stops20h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Breeze Airways logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:31 pm -
2 stops38h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1012:00 pm -
3 stops28h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:45 pm -
3 stops38h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Breeze Airways logo]()
$380
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 September 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $461 (Kiwi.com) |
One-way from | $272 (Kiwi.com) |
Popular in | June |
Cheapest in | May |
Average price | $403 |
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 7,457,451 searches. Data last updated September 14, 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
Cheapest round-trip
Quickest round-trip
IslipBurlington
ISP Islip Long Island - BTV Burlington
ISPBTV
Islip Long Island
Sat 10/10
3:43 pm-11:52 am
2 stops20h 09m
Burlington
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$272
IslipBurlington
ISP Islip Long Island - BTV Burlington
ISPBTV
Islip Long Island
Sat 10/10
12:00 pm-4:45 pm
3 stops28h 45m
Burlington
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$354
IslipBurlington
ISP Islip Long Island - BTV Burlington
ISPBTV
Islip Long Island
Thu 9/24
7:45 pm-10:12 am
3 stops38h 27m
Burlington
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$380
IslipBurlington
ISP Islip Long Island - BTV Burlington
ISPBTV
Islip Long Island
Fri 9/25
5:43 pm-10:12 am
1 stop16h 29m
Burlington
Tue 9/29
1:35 pm-11:20 am
1 stop21h 45m
$461
IslipBurlington
ISP Islip Long Island - BTV Burlington
ISPBTV
Islip Long Island
Tue 10/13
1:38 pm-10:12 am
2 stops20h 34m
Burlington
Tue 10/20
1:35 pm-11:20 am
1 stop21h 45m
$548
IslipBurlington
ISP Islip Long Island - BTV Burlington
ISPBTV
Islip Long Island
Mon 9/28
11:52 am-12:55 pm
1 stop25h 03m
Burlington
Fri 10/2
12:37 pm-6:28 pm
2 stops29h 51m
$834
IslipBurlington
ISP Islip Long Island - BTV Burlington
ISPBTV
Islip Long Island
Fri 10/2
7:05 am-11:59 pm
2 stops16h 54m
Burlington
Sun 10/4
6:00 am-8:59 pm
2 stops14h 59m
$1,080
IslipBurlington
ISP Islip Long Island - BTV Burlington
ISPBTV
Islip Long Island
Fri 9/25
9:39 am-10:12 am
2 stops24h 33m
Burlington
Tue 9/29
1:35 pm-6:28 pm
2 stops28h 53m
$1,163
IslipBurlington
ISP Islip Long Island - BTV Burlington
ISPBTV
Islip Long Island
Fri 9/25
9:39 am-10:12 am
2 stops24h 33m
Burlington
Mon 9/28
12:37 pm-11:20 am
3 stops22h 43m
$1,229
IslipBurlington
ISP Islip Long Island - BTV Burlington
ISPBTV
Islip Long Island
Fri 10/2
3:02 pm-10:12 am
2 stops19h 10m
Burlington
Sun 10/4
12:32 pm-2:22 pm
1 stop25h 50m
$1,238
Sorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
ISP-BTV
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.
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Book flights to Burlington if you plan to visit one of these locationsShelburne
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