$139+ Cheap flights from Las Vegas to Islip, NY (LAS - ISP)
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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — ISP
Dec 12 — Dec 191
Round-trip
1 adult, Economy
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Find cheap flights from Las Vegas 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 Las Vegas to Islip
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Best
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One-way
Cheapest flights from Las Vegas to IslipExplore the most affordable flight options available from Las Vegas to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 12, 2026.
Explore the most affordable flight options available from Las Vegas to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 12, 2026.
This Southwest deal was found by Cheapflights users on 11/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/89:50 am -
1 stop8h 55m
Tue 12/156:05 am -
1 stop7h 25m
Deal found 11/10![Southwest logo]()
$385
This CheapOair deal was found by Cheapflights users on 11/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/29:36 pm -
1 stop12h 46m
Sun 12/66:10 pm -
1 stop17h 12m
Deal found 11/11![Frontier logo]()
$395
This CheapOair deal was found by Cheapflights users on 11/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/3111:20 pm -
1 stop8h 11m
Thu 1/79:18 pm -
1 stop27h 03m
Deal found 11/11![Frontier logo]()
$450
This CheapOair deal was found by Cheapflights users on 11/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:06 pm -
1 stop16h 25m
Fri 11/204:40 pm -
1 stop18h 39m
Deal found 11/9![Frontier logo]()
$470
This CheapOair deal was found by Cheapflights users on 11/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:15 pm -
1 stop14h 30m
Sat 11/214:43 pm -
1 stop18h 36m
Deal found 11/9![Frontier logo]()
$535
This KAYAK deal was found by Cheapflights users on 11/7. 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.
Wed 12/239:37 am -
1 stop9h 13m
Thu 12/316:00 am -
1 stop9h 28m
Deal found 11/7![JetBlue logo]()
$593
This JetBlue deal was found by Cheapflights users on 11/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:20 pm -
1 stop10h 26m
Fri 11/276:00 am -
1 stop10h 15m
Deal found 11/8![JetBlue logo]()
$658
This CheapOair deal was found by Cheapflights users on 11/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2211:20 pm -
1 stop8h 11m
Fri 1/111:26 am -
1 stop13h 05m
Deal found 11/11![Frontier logo]()
$672
This JetBlue deal was found by Cheapflights users on 11/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:00 am -
1 stop11h 37m
Sun 11/226:00 am -
1 stop10h 20m
Deal found 11/8![JetBlue logo]()
$713
This KAYAK deal was found by Cheapflights users on 11/7. 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 12/2411:25 pm -
2 stops11h 57m
Thu 12/317:45 pm -
3 stops19h 23m
Deal found 11/7![Breeze Airways logo]()
$714
Best flights from Las Vegas to IslipDiscover carefully curated flight deals from Las Vegas to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 12, 2026.
Discover carefully curated flight deals from Las Vegas to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 12, 2026.
This Southwest deal was found by Cheapflights users on 11/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/1410:15 pm -
1 stop8h 55m
Mon 1/185:25 pm -
1 stop9h 50m
Deal found 11/10![Southwest logo]()
$385
This CheapOair deal was found by Cheapflights users on 11/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/3111:20 pm -
1 stop8h 11m
Thu 1/79:18 pm -
1 stop27h 03m
Deal found 11/11![Frontier logo]()
$450
This KAYAK deal was found by Cheapflights users on 11/7. 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.
Wed 12/239:37 am -
1 stop9h 13m
Thu 12/316:00 am -
1 stop9h 28m
Deal found 11/7![JetBlue logo]()
$593
This KAYAK deal was found by Cheapflights users on 11/7. 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 12/2411:25 pm -
2 stops11h 57m
Thu 12/317:45 pm -
3 stops19h 23m
Deal found 11/7![Breeze Airways logo]()
$714
This Southwest deal was found by Cheapflights users on 11/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/89:45 am -
2 stops9h 00m
Tue 12/154:05 pm -
2 stops10h 00m
Deal found 11/10![Southwest logo]()
$395
This JetBlue deal was found by Cheapflights users on 11/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:20 pm -
1 stop10h 26m
Fri 11/276:00 am -
1 stop10h 15m
Deal found 11/8![JetBlue logo]()
$658
This CheapOair deal was found by Cheapflights users on 11/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2211:20 pm -
1 stop8h 11m
Fri 1/111:26 am -
1 stop13h 05m
Deal found 11/11![Frontier logo]()
$672
This JetBlue deal was found by Cheapflights users on 11/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:00 am -
1 stop11h 37m
Sun 11/226:00 am -
1 stop10h 20m
Deal found 11/8![JetBlue logo]()
$713
This KAYAK deal was found by Cheapflights users on 11/8. 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.
Wed 12/912:47 pm -
3 stops27h 18m
Mon 12/143:02 pm -
2 stops10h 16m
Deal found 11/8![Breeze Airways logo]()
$914
This JetBlue deal was found by Cheapflights users on 11/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:20 pm -
1 stop9h 57m
Sun 11/296:00 am -
1 stop10h 15m
Deal found 11/10![JetBlue logo]()
$898
Last-minute flights from Las Vegas to IslipDiscover last-minute flight deals from Las Vegas to Islip. Data last updated November 12, 2026 and is based on user searches.
Discover last-minute flight deals from Las Vegas to Islip. Data last updated November 12, 2026 and is based on user searches.
This JetBlue deal was found by Cheapflights users on 11/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:00 am -
1 stop11h 37m
Sun 11/226:00 am -
1 stop10h 20m
Deal found 11/8![JetBlue logo]()
$713
This CheapOair deal was found by Cheapflights users on 11/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:06 pm -
1 stop16h 25m
Fri 11/204:40 pm -
1 stop18h 39m
Deal found 11/9![Frontier logo]()
$470
This CheapOair deal was found by Cheapflights users on 11/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:15 pm -
1 stop14h 30m
Sat 11/214:43 pm -
1 stop18h 36m
Deal found 11/9![Frontier logo]()
$535
This JetBlue deal was found by Cheapflights users on 11/8. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:20 pm -
1 stop10h 26m
Fri 11/276:00 am -
1 stop10h 15m
Deal found 11/8![JetBlue logo]()
$658
This CheapOair deal was found by Cheapflights users on 11/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/29:36 pm -
1 stop12h 46m
Sun 12/66:10 pm -
1 stop17h 12m
Deal found 11/11![Frontier logo]()
$395
This Southwest deal was found by Cheapflights users on 11/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/89:50 am -
1 stop8h 55m
Tue 12/156:05 am -
1 stop7h 25m
Deal found 11/10![Southwest logo]()
$385
This CheapOair deal was found by Cheapflights users on 11/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2211:20 pm -
1 stop8h 11m
Fri 1/111:26 am -
1 stop13h 05m
Deal found 11/11![Frontier logo]()
$672
This KAYAK deal was found by Cheapflights users on 11/7. 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.
Wed 12/239:37 am -
1 stop9h 13m
Thu 12/316:00 am -
1 stop9h 28m
Deal found 11/7![JetBlue logo]()
$593
This KAYAK deal was found by Cheapflights users on 11/7. 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 12/2411:25 pm -
2 stops11h 57m
Thu 12/317:45 pm -
3 stops19h 23m
Deal found 11/7![Breeze Airways logo]()
$714
This CheapOair deal was found by Cheapflights users on 11/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/3111:20 pm -
1 stop8h 11m
Thu 1/79:18 pm -
1 stop27h 03m
Deal found 11/11![Frontier logo]()
$450
One-way flights from Las Vegas to IslipSearch for one-way flight options from Las Vegas to Islip. Find affordable one-way fares based on user searches. Data last updated November 12, 2026.
Search for one-way flight options from Las Vegas to Islip. Find affordable one-way fares based on user searches. Data last updated November 12, 2026.
This CheapOair deal was found by Cheapflights users on 11/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/1610:27 pm -
1 stop15h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Wed 1/612:14 pm -
2 stops19h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![Multiple Airlines logo]()
$173
This Breeze Airways deal was found by Cheapflights users on 11/9. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/299:45 pm -
1 stop8h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Breeze Airways logo]()
$181
This Southwest deal was found by Cheapflights users on 11/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/611:25 am -
1 stop7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![Southwest logo]()
$183
This JetBlue deal was found by Cheapflights users on 11/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:20 pm -
1 stop8h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![JetBlue logo]()
$189
This JetBlue deal was found by Cheapflights users on 11/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/310:20 pm -
1 stop8h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![JetBlue logo]()
$194
This CheapOair deal was found by Cheapflights users on 11/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/99:36 pm -
1 stop16h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Frontier logo]()
$201
This JetBlue deal was found by Cheapflights users on 11/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/610:20 pm -
1 stop8h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![JetBlue logo]()
$214
This Frontier deal was found by Cheapflights users on 11/9. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2411:20 pm -
1 stop8h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Frontier logo]()
$215
This JetBlue deal was found by Cheapflights users on 11/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:28 pm -
1 stop8h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![JetBlue logo]()
$216
Find flight deals from Las Vegas to Islip
Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) 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 November 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $385 (Southwest) |
One-way from | $139 (CheapOair) |
Popular in | October |
Cheapest in | January |
Average price | $370 |
Cheapflights Fare Finder
Customize your flight search to find flights from Las Vegas 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 7,457,451 searches. Data last updated November 12, 2026.
Use the filters below to find and compare flights from Las Vegas to Islip that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Las VegasIslip
LAS Las Vegas Harry Reid Intl - ISP Islip Long Island
LASISP
Las Vegas Harry Reid Intl
Sat 1/16
10:27 pm-5:26 pm
1 stop15h 59m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$171
Las VegasIslip
LAS Las Vegas Harry Reid Intl - ISP Islip Long Island
LASISP
Las Vegas Harry Reid Intl
Wed 1/6
10:58 pm-8:33 pm
1 stop18h 35m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$171
Las VegasIslip
LAS Las Vegas Harry Reid Intl - ISP Islip Long Island
LASISP
Las Vegas Harry Reid Intl
Fri 12/4
10:20 pm-9:47 am
1 stop8h 27m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$189
Las VegasIslip
LAS Las Vegas Harry Reid Intl - ISP Islip Long Island
LASISP
Las Vegas Harry Reid Intl
Fri 12/11
10:20 pm-9:47 am
1 stop8h 27m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$189
Las VegasIslip
LAS Las Vegas Harry Reid Intl - ISP Islip Long Island
LASISP
Las Vegas Harry Reid Intl
Mon 12/7
10:20 pm-9:47 am
1 stop8h 27m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$189
Las VegasIslip
LAS Las Vegas Harry Reid Intl - ISP Islip Long Island
LASISP
Las Vegas Harry Reid Intl
Thu 12/3
10:20 pm-9:47 am
1 stop8h 27m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$194
Las VegasIslip
LAS Las Vegas Harry Reid Intl - ISP Islip Long Island
LASISP
Las Vegas Harry Reid Intl
Sun 12/6
10:20 pm-9:47 am
1 stop8h 27m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$214
Quickest round-trip
Las VegasIslip
LAS Las Vegas Harry Reid Intl - ISP Islip Long Island
LASISP
Las Vegas Harry Reid Intl
Wed 11/18
9:28 pm-8:50 am
1 stop8h 22m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$216
Las VegasIslip
LAS Las Vegas Harry Reid Intl - ISP Islip Long Island
LASISP
Las Vegas Harry Reid Intl
Thu 1/14
10:15 pm-10:10 am
1 stop8h 55m
Islip Long Island
Mon 1/18
5:25 pm-12:15 am
1 stop9h 50m
$385
Las VegasIslip
LAS Las Vegas Harry Reid Intl - ISP Islip Long Island
LASISP
Las Vegas Harry Reid Intl
Tue 12/8
9:45 am-9:45 pm
2 stops9h 00m
Islip Long Island
Tue 12/15
4:05 pm-11:05 pm
2 stops10h 00m
$395
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Las Vegas 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 Las Vegas to Islip in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Las Vegas-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 Las Vegas-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-Islip, New York flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Las Vegas-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 Las Vegas-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 Las Vegas to Islip
Have a flexible travel schedule? Discover the best time to fly to Islip from Las Vegas with our price prediction graph.
LAS-ISP
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.
Reviews of airlines servicing Islip
Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated November 12, 2026.
Read through reviews of airlines operating flights from Las Vegas to Islip, such as Southwest. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Overall
8.0
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Las Vegas to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Islip?
Book flights to Islip if you plan to visit one of these locationsRiverhead
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Other flights to Islip
Explore flights to Islip departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 12, 2026.
Las Vegas and Islip flights
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Top airline flying from Las Vegas to Islip
Discover the top airline that operate flights from Las Vegas to Islip. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$346 | Average$512 | FlexibilityNo cancel fee | On-time63% |