$126+ Cheap flights from Islip, NY to Las Vegas (ISP - LAS)
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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — LAS
Aug 2 — Aug 91
Round-trip
1 adult, Economy
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Find cheap flights from Islip to Las Vegas 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 Las Vegas
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Best
Last-minute
One-way
Cheapest flights from Islip to Las VegasExplore the most affordable flight options available from Islip to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2026.
Explore the most affordable flight options available from Islip to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2026.
This Frontier deal was found by Cheapflights users on 7/1. 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.
Tue 8/2510:57 am
ISP
- LAS
1 stop13h 47m
Frontier
Wed 8/269:41 pm
LAS
- ISP
1 stop9h 12m
Frontier
Deal found 7/1![Frontier logo]()
$240
This Frontier deal was found by Cheapflights users on 7/3. 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.
Tue 9/810:57 am
ISP
- LAS
1 stop13h 47m
Frontier
Sat 9/1210:12 pm
LAS
- ISP
1 stop8h 21m
Frontier
Deal found 7/3![Frontier logo]()
$295
This Expedia deal was found by Cheapflights users on 6/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:09 pm
ISP
- LAS
1 stop29h 35m
Frontier
Sun 8/239:41 pm
LAS
- ISP
1 stop17h 33m
Frontier
Deal found 6/30![Frontier logo]()
$308
This Frontier deal was found by Cheapflights users on 7/3. 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.
Wed 8/1910:57 am
ISP
- LAS
1 stop13h 47m
Frontier
Tue 8/259:41 pm
LAS
- ISP
1 stop9h 12m
Frontier
Deal found 7/3![Frontier logo]()
$331
This Southwest deal was found by Cheapflights users on 7/2. 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 8/183:20 pm
ISP
- LAS
1 stop7h 40m
Southwest
Tue 8/258:55 am
LAS
- ISP
1 stop9h 10m
Southwest
Deal found 7/2![Southwest logo]()
$335
This Frontier deal was found by Cheapflights users on 7/1. 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 8/2710:57 am
ISP
- LAS
1 stop13h 47m
Frontier
Mon 8/319:41 pm
LAS
- ISP
1 stop9h 12m
Frontier
Deal found 7/1![Frontier logo]()
$338
This Expedia deal was found by Cheapflights users on 7/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:46 pm
ISP
- LAS
1 stop31h 33m
Frontier
Tue 7/219:42 pm
LAS
- ISP
1 stop9h 11m
Frontier
Deal found 7/2![Frontier logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/185:27 pm
ISP
- LAS
2 stops30h 45m
Multiple Airlines
Tue 8/2511:34 am
LAS
- ISP
1 stop19h 19m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$351
This Frontier deal was found by Cheapflights users on 6/30. 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.
Wed 9/210:57 am
ISP
- LAS
1 stop13h 47m
Frontier
Thu 9/39:41 pm
LAS
- ISP
1 stop9h 12m
Frontier
Deal found 6/30![Frontier logo]()
$359
This Southwest deal was found by Cheapflights users on 6/29. 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 9/1012:35 pm
ISP
- LAS
2 stops10h 15m
Southwest
Mon 9/2111:00 pm
LAS
- ISP
1 stop8h 15m
Southwest
Deal found 6/29![Southwest logo]()
$364
This Frontier deal was found by Cheapflights users on 7/1. 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.
Fri 8/2810:57 am
ISP
- LAS
1 stop13h 47m
Frontier
Sun 8/309:41 pm
LAS
- ISP
1 stop9h 12m
Frontier
Deal found 7/1![Frontier logo]()
$365
Best flights from Islip to Las VegasDiscover carefully curated flight deals from Islip to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2026.
Discover carefully curated flight deals from Islip to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2026.
This Southwest deal was found by Cheapflights users on 6/29. 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 9/1012:35 pm
ISP
- LAS
2 stops10h 15m
Southwest
Mon 9/2111:00 pm
LAS
- ISP
1 stop8h 15m
Southwest
Deal found 6/29![Southwest logo]()
$364
This Orbitz deal was found by Cheapflights users on 6/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/154:13 pm
ISP
- LAS
1 stop20h 13m
Frontier
Mon 10/2610:12 pm
LAS
- ISP
1 stop13h 21m
Frontier
Deal found 6/29![Frontier logo]()
$395
This Expedia deal was found by Cheapflights users on 6/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:00 am
ISP
- LAS
1 stop15h 18m
Multiple Airlines
Fri 8/79:42 pm
LAS
- ISP
1 stop9h 11m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$421
This Southwest deal was found by Cheapflights users on 6/29. 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.
Mon 10/125:00 pm
ISP
- LAS
1 stop10h 30m
Southwest
Wed 10/149:45 am
LAS
- ISP
2 stops9h 30m
Southwest
Deal found 6/29![Southwest logo]()
$406
This Southwest deal was found by Cheapflights users on 7/1. 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 8/43:20 pm
ISP
- LAS
2 stops9h 45m
Southwest
Sat 8/86:30 am
LAS
- ISP
1 stop10h 00m
Southwest
Deal found 7/1![Southwest logo]()
$418
This Southwest deal was found by Cheapflights users on 6/29. 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 10/156:50 am
ISP
- LAS
2 stops14h 05m
Southwest
Mon 10/2610:50 pm
LAS
- ISP
1 stop10h 50m
Southwest
Deal found 6/29![Southwest logo]()
$434
This Southwest deal was found by Cheapflights users on 7/2. 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.
Fri 12/46:00 am
ISP
- LAS
1 stop9h 45m
Southwest
Mon 12/77:00 am
LAS
- ISP
1 stop6h 20m
Southwest
Deal found 7/2![Southwest logo]()
$467
This Southwest deal was found by Cheapflights users on 6/30. 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.
Fri 10/96:00 am
ISP
- LAS
2 stops9h 50m
Southwest
Mon 10/1210:30 am
LAS
- ISP
1 stop9h 40m
Southwest
Deal found 6/30![Southwest logo]()
$472
This Southwest deal was found by Cheapflights users on 7/1. 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.
Fri 8/286:10 am
ISP
- LAS
2 stops11h 05m
Southwest
Sun 8/306:45 am
LAS
- ISP
2 stops9h 00m
Southwest
Deal found 7/1![Southwest logo]()
$477
Last-minute flights from Islip to Las VegasDiscover last-minute flight deals from Islip to Las Vegas. Data last updated July 3, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Las Vegas. Data last updated July 3, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 6/28. 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.
Wed 7/810:57 am
ISP
- LAS
1 stop12h 13m
Frontier
Fri 8/79:42 pm
LAS
- ISP
1 stop9h 11m
Frontier
Deal found 6/28![Frontier logo]()
$399
This Frontier deal was found by Cheapflights users on 6/28. 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.
Wed 7/810:57 am
ISP
- LAS
1 stop12h 13m
Frontier
Sun 8/99:42 pm
LAS
- ISP
1 stop9h 11m
Frontier
Deal found 6/28![Frontier logo]()
$486
This Frontier deal was found by Cheapflights users on 7/1. 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.
Wed 7/810:57 am
ISP
- LAS
1 stop12h 13m
Frontier
Sun 7/129:42 pm
LAS
- ISP
1 stop9h 11m
Frontier
Deal found 7/1![Frontier logo]()
$510
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 7/810:57 am
ISP
- LAS
1 stop12h 13m
Multiple Airlines
Sat 7/119:15 am
LAS
- ISP
2 stops30h 54m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$722
This Frontier deal was found by Cheapflights users on 6/30. 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.
Fri 7/1010:57 am
ISP
- LAS
1 stop13h 20m
Frontier
Sun 7/129:42 pm
LAS
- ISP
1 stop9h 11m
Frontier
Deal found 6/30![Frontier logo]()
$575
This Frontier deal was found by Cheapflights users on 6/28. 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.
Sat 7/1110:43 am
ISP
- LAS
1 stop12h 27m
Frontier
Tue 8/49:42 pm
LAS
- ISP
1 stop9h 11m
Frontier
Deal found 6/28![Frontier logo]()
$419
This Frontier deal was found by Cheapflights users on 6/28. 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.
Sat 7/1110:43 am
ISP
- LAS
1 stop12h 27m
Frontier
Sun 8/99:42 pm
LAS
- ISP
1 stop9h 11m
Frontier
Deal found 6/28![Frontier logo]()
$506
This Frontier deal was found by Cheapflights users on 7/1. 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.
Sat 7/1110:43 am
ISP
- LAS
1 stop12h 27m
Frontier
Sun 7/129:42 pm
LAS
- ISP
1 stop9h 11m
Frontier
Deal found 7/1![Frontier logo]()
$535
One-way flights from Islip to Las VegasSearch for one-way flight options from Islip to Las Vegas. Find affordable one-way fares based on user searches. Data last updated July 3, 2026.
Search for one-way flight options from Islip to Las Vegas. Find affordable one-way fares based on user searches. Data last updated July 3, 2026.
This Expedia deal was found by Cheapflights users on 7/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:09 pm
ISP
- LAS
1 stop19h 39m
Frontier
Deal found 7/2![Frontier logo]()
$126
This Frontier deal was found by Cheapflights users on 7/3. 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.
Sun 9/610:57 am
ISP
- LAS
1 stop13h 47m
Frontier
Deal found 7/3![Frontier logo]()
$160
This Priceline deal was found by Cheapflights users on 6/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1710:57 am
ISP
- LAS
1 stop13h 20m
Frontier
Deal found 6/29![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 7/1. 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.
Wed 7/2210:57 am
ISP
- LAS
1 stop12h 13m
Frontier
Deal found 7/1![Frontier logo]()
$181
This Southwest deal was found by Cheapflights users on 7/2. 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 8/2710:20 am
ISP
- LAS
2 stops10h 15m
Southwest
Deal found 7/2![Southwest logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/277:09 pm
ISP
- LAS
3 stops42h 45m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$201
This Frontier deal was found by Cheapflights users on 6/28. 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.
Mon 8/310:57 am
ISP
- LAS
1 stop13h 20m
Frontier
Deal found 6/28![Frontier logo]()
$219
This Frontier deal was found by Cheapflights users on 7/1. 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.
Fri 7/2410:57 am
ISP
- LAS
1 stop13h 20m
Frontier
Deal found 7/1![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 7/186:09 pm
ISP
- LAS
2 stops30h 46m
Breeze Airways
Deal found 6/29![Breeze Airways logo]()
$235
This JetBlue deal was found by Cheapflights users on 7/3. 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 8/134:58 pm
ISP
- LAS
1 stop8h 51m
JetBlue
Deal found 7/3![JetBlue logo]()
$241
This Frontier deal was found by Cheapflights users on 7/1. 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.
Fri 8/1410:57 am
ISP
- LAS
1 stop13h 20m
Frontier
Deal found 7/1![Frontier logo]()
$247
This Frontier deal was found by Cheapflights users on 6/30. 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.
Mon 7/1310:57 am
ISP
- LAS
1 stop13h 20m
Frontier
Deal found 6/30![Frontier logo]()
$251
Find flight deals from Islip to Las Vegas
Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Las Vegas (LAS). 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 July 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $240 (Frontier) |
One-way from | $126 (Expedia) |
Popular in | November |
Cheapest in | January |
Average price | $589 |
Cheapflights Fare Finder
Customize your flight search to find flights from Islip to Las Vegas 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 July 3, 2026.
Use the filters below to find and compare flights from Islip to Las Vegas that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IslipLas Vegas
ISP - LAS
ISPLAS
Islip Long Island
Thu 9/10
12:35 pm-7:50 pm
2 stops10h 15m
Las Vegas Harry Reid Intl
Mon 9/21
11:00 pm-10:15 am
1 stop8h 15m
$364
IslipLas Vegas
ISP - LAS
ISPLAS
Islip Long Island
Thu 10/15
4:13 pm-9:26 am
1 stop20h 13m
Las Vegas Harry Reid Intl
Mon 10/26
10:12 pm-2:33 pm
1 stop13h 21m
$395
IslipLas Vegas
ISP - LAS
ISPLAS
Islip Long Island
Mon 10/12
5:00 pm-12:30 am
1 stop10h 30m
Las Vegas Harry Reid Intl
Wed 10/14
9:45 am-10:15 pm
2 stops9h 30m
$406
IslipLas Vegas
ISP - LAS
ISPLAS
Islip Long Island
Tue 8/4
3:20 pm-10:05 pm
2 stops9h 45m
Las Vegas Harry Reid Intl
Sat 8/8
6:30 am-7:30 pm
1 stop10h 00m
$418
IslipLas Vegas
ISP - LAS
ISPLAS
Islip Long Island
Tue 8/4
6:00 am-6:18 pm
1 stop15h 18m
Las Vegas Harry Reid Intl
Fri 8/7
9:42 pm-9:53 am
1 stop9h 11m
$421
IslipLas Vegas
ISP - LAS
ISPLAS
Islip Long Island
Thu 10/15
6:50 am-5:55 pm
2 stops14h 05m
Las Vegas Harry Reid Intl
Mon 10/26
10:50 pm-12:40 pm
1 stop10h 50m
$434
Quickest round-trip
IslipLas Vegas
ISP - LAS
ISPLAS
Islip Long Island
Fri 12/4
6:00 am-12:45 pm
1 stop9h 45m
Las Vegas Harry Reid Intl
Mon 12/7
7:00 am-4:20 pm
1 stop6h 20m
$467
IslipLas Vegas
ISP - LAS
ISPLAS
Islip Long Island
Fri 10/9
6:00 am-12:50 pm
2 stops9h 50m
Las Vegas Harry Reid Intl
Mon 10/12
10:30 am-11:10 pm
1 stop9h 40m
$472
IslipLas Vegas
ISP - LAS
ISPLAS
Islip Long Island
Fri 8/28
6:10 am-2:15 pm
2 stops11h 05m
Las Vegas Harry Reid Intl
Sun 8/30
6:45 am-6:45 pm
2 stops9h 00m
$477
Cheapest one-way
IslipLas Vegas
ISP - LAS
ISPLAS
Islip Long Island
Thu 8/27
10:20 am-5:35 pm
2 stops10h 15m
$185
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Islip to Las Vegas
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 Las Vegas in July.
| 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-Las Vegas 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-Las Vegas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Las Vegas flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Islip, New York-Las Vegas 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-Las Vegas 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 Las Vegas
Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Islip with our price prediction graph.
ISP-LAS
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 Las Vegas
Reviews of airlines servicing Las Vegas
Get insights into the airlines that provide service to Las Vegas. 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 Las Vegas. Reviews last updated July 3, 2026.
See what other customers who have flown with Southwest and JetBlue from Islip to Las Vegas have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
7.9
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Overall
7.9
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Overall
7.9
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Islip to Las Vegas. 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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Top 2 airlines flying from Islip to Las Vegas
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$170 | Average$370 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$379 | Average$586 | FlexibilityNo cancel fee | On-time63% |