$124+ 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
Sep 1 — Sep 81
Round-trip
1 adult, Economy
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Find cheap flights from Islip to Las Vegas with Cheapflights
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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
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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 August 2, 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 August 2, 2026.
This Frontier deal was found by Cheapflights users on 7/31. 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 8/2910:57 am
ISP
- LAS
1 stop13h 47m
Frontier
Tue 9/19:41 pm
LAS
- ISP
1 stop9h 12m
Frontier
Deal found 7/31![Frontier logo]()
$250
This CheapOair deal was found by Cheapflights users on 7/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:09 pm
ISP
- LAS
1 stop29h 35m
Frontier
Mon 8/319:41 pm
LAS
- ISP
1 stop9h 12m
Frontier
Deal found 7/29![Frontier logo]()
$260
This CheapOair deal was found by Cheapflights users on 7/31. 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 9/155:43 pm
ISP
- LAS
1 stop17h 24m
Frontier
Fri 9/2510:15 pm
LAS
- ISP
1 stop15h 43m
Frontier
Deal found 7/31![Frontier logo]()
$277
This Frontier deal was found by Cheapflights users on 7/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2310:57 am
ISP
- LAS
1 stop13h 47m
Frontier
Thu 8/279:41 pm
LAS
- ISP
1 stop9h 12m
Frontier
Deal found 7/29![Frontier logo]()
$293
This Frontier deal was found by Cheapflights users on 8/1. 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.
Mon 8/3110:57 am
ISP
- LAS
1 stop13h 47m
Frontier
Thu 9/39:41 pm
LAS
- ISP
1 stop9h 12m
Frontier
Deal found 8/1![Frontier logo]()
$294
This Expedia deal was found by Cheapflights users on 7/30. 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 9/34:58 pm
ISP
- LAS
1 stop8h 51m
Multiple Airlines
Thu 9/1010:15 pm
LAS
- ISP
1 stop15h 43m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$297
This CheapOair deal was found by Cheapflights users on 7/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:58 pm
ISP
- LAS
1 stop8h 51m
Multiple Airlines
Sat 9/1210:06 pm
LAS
- ISP
1 stop15h 52m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$302
This Frontier deal was found by Cheapflights users on 7/29. 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 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 7/29![Frontier logo]()
$318
This Southwest deal was found by Cheapflights users on 7/30. 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.
Tue 9/13:20 pm
ISP
- LAS
1 stop7h 40m
Southwest
Tue 9/111:00 pm
LAS
- ISP
1 stop8h 15m
Southwest
Deal found 7/30![Southwest logo]()
$335
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 August 2, 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 August 2, 2026.
This Frontier deal was found by Cheapflights users on 8/1. 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.
Mon 8/3110:57 am
ISP
- LAS
1 stop13h 47m
Frontier
Thu 9/39:41 pm
LAS
- ISP
1 stop9h 12m
Frontier
Deal found 8/1![Frontier logo]()
$294
This Southwest deal was found by Cheapflights users on 7/29. 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.
Tue 9/13:20 pm
ISP
- LAS
1 stop7h 40m
Southwest
Tue 9/111:00 pm
LAS
- ISP
1 stop8h 15m
Southwest
Deal found 7/29![Southwest logo]()
$335
This JetBlue deal was found by Cheapflights users on 7/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:55 pm
ISP
- LAS
1 stop10h 49m
JetBlue
Tue 11/38:00 am
LAS
- ISP
1 stop10h 37m
JetBlue
Deal found 7/29![JetBlue logo]()
$345
This Southwest deal was found by Cheapflights users on 7/27. 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 9/1110:20 am
ISP
- LAS
2 stops11h 00m
Southwest
Thu 9/1712:20 am
LAS
- ISP
2 stops9h 15m
Southwest
Deal found 7/27![Southwest logo]()
$394
This JetBlue deal was found by Cheapflights users on 7/30. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/251:55 pm
ISP
- LAS
1 stop10h 49m
JetBlue
Thu 10/298:00 am
LAS
- ISP
1 stop10h 37m
JetBlue
Deal found 7/30![JetBlue logo]()
$405
This JetBlue deal was found by Cheapflights users on 7/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:58 pm
ISP
- LAS
1 stop8h 51m
JetBlue
Tue 9/87:00 am
LAS
- ISP
1 stop9h 33m
JetBlue
Deal found 7/29![JetBlue logo]()
$405
This Southwest deal was found by Cheapflights users on 7/31. 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 9/2312:55 pm
ISP
- LAS
2 stops8h 45m
Southwest
Fri 9/2511:30 pm
LAS
- ISP
2 stops9h 35m
Southwest
Deal found 7/31![Southwest logo]()
$406
This Southwest deal was found by Cheapflights users on 7/30. 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.
Sun 10/185:40 am
ISP
- LAS
2 stops9h 20m
Southwest
Wed 10/216:50 am
LAS
- ISP
2 stops10h 05m
Southwest
Deal found 7/30![Southwest logo]()
$416
This Southwest deal was found by Cheapflights users on 7/29. 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 8/276:10 am
ISP
- LAS
2 stops11h 05m
Southwest
Mon 8/3111:30 pm
LAS
- ISP
2 stops9h 40m
Southwest
Deal found 7/29![Southwest logo]()
$416
This Southwest deal was found by Cheapflights users on 7/31. 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 10/95:40 pm
ISP
- LAS
2 stops10h 10m
Southwest
Tue 10/136:50 am
LAS
- ISP
2 stops10h 05m
Southwest
Deal found 7/31![Southwest logo]()
$433
This Southwest deal was found by Cheapflights users on 8/1. 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.
Mon 10/126:00 am
ISP
- LAS
2 stops9h 15m
Southwest
Fri 10/165:00 am
LAS
- ISP
2 stops9h 00m
Southwest
Deal found 8/1![Southwest logo]()
$460
Last-minute flights from Islip to Las VegasDiscover last-minute flight deals from Islip to Las Vegas. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Las Vegas. Data last updated August 2, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 7/31. 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 stop9h 12m
Frontier
Deal found 7/31![Frontier logo]()
$354
This Frontier deal was found by Cheapflights users on 7/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2310:57 am
ISP
- LAS
1 stop13h 47m
Frontier
Thu 8/279:41 pm
LAS
- ISP
1 stop9h 12m
Frontier
Deal found 7/29![Frontier logo]()
$293
This Orbitz deal was found by Cheapflights users on 8/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:58 pm
ISP
- LAS
1 stop8h 51m
Multiple Airlines
Sat 8/299:41 pm
LAS
- ISP
1 stop9h 12m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$298
This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/254:58 pm
ISP
- LAS
1 stop8h 51m
JetBlue
Tue 9/87:00 am
LAS
- ISP
1 stop9h 33m
JetBlue
Deal found 7/30![JetBlue logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com 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
Tue 9/810:43 pm
LAS
- ISP
2 stops15h 15m
Frontier
Deal found 7/30![Frontier logo]()
$355
This Frontier deal was found by Cheapflights users on 7/28. 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 8/2610:57 am
ISP
- LAS
1 stop13h 47m
Frontier
Fri 8/289:41 pm
LAS
- ISP
1 stop9h 12m
Frontier
Deal found 7/28![Frontier logo]()
$349
This CheapOair deal was found by Cheapflights users on 7/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:09 pm
ISP
- LAS
1 stop29h 35m
Frontier
Mon 8/319:41 pm
LAS
- ISP
1 stop9h 12m
Frontier
Deal found 7/29![Frontier logo]()
$260
This Southwest deal was found by Cheapflights users on 7/29. 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 8/2712:35 pm
ISP
- LAS
1 stop7h 30m
Southwest
Mon 8/3111:30 pm
LAS
- ISP
2 stops9h 40m
Southwest
Deal found 7/29![Southwest logo]()
$357
This Frontier deal was found by Cheapflights users on 7/29. 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 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 7/29![Frontier logo]()
$318
This Frontier deal was found by Cheapflights users on 7/31. 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 8/2910:57 am
ISP
- LAS
1 stop13h 47m
Frontier
Tue 9/19:41 pm
LAS
- ISP
1 stop9h 12m
Frontier
Deal found 7/31![Frontier logo]()
$250
This Frontier deal was found by Cheapflights users on 8/1. 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.
Mon 8/3110:57 am
ISP
- LAS
1 stop13h 47m
Frontier
Thu 9/39:41 pm
LAS
- ISP
1 stop9h 12m
Frontier
Deal found 8/1![Frontier logo]()
$294
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 August 2, 2026.
Search for one-way flight options from Islip to Las Vegas. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
This Expedia deal was found by Cheapflights users on 7/30. 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 8/277:09 pm
ISP
- LAS
1 stop19h 39m
Frontier
Deal found 7/30![Frontier logo]()
$124
This CheapOair deal was found by Cheapflights users on 7/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:13 pm
ISP
- LAS
1 stop20h 13m
Frontier
Deal found 7/28![Frontier logo]()
$136
This Frontier deal was found by Cheapflights users on 7/31. 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 8/2110:57 am
ISP
- LAS
1 stop13h 47m
Frontier
Deal found 7/31![Frontier logo]()
$148
This Frontier deal was found by Cheapflights users on 7/31. 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 8/3010:57 am
ISP
- LAS
1 stop13h 47m
Frontier
Deal found 7/31![Frontier logo]()
$165
This KAYAK deal was found by Cheapflights users on 7/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/53:10 pm
ISP
- LAS
1 stop9h 25m
Southwest
Deal found 7/29![Southwest logo]()
$168
This JetBlue deal was found by Cheapflights users on 7/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/274:58 pm
ISP
- LAS
1 stop8h 51m
JetBlue
Deal found 7/28![JetBlue logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Fri 8/218:43 pm
ISP
- LAS
2 stops29h 06m
Breeze Airways
Deal found 7/29![Breeze Airways logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Fri 8/212:28 pm
ISP
- LAS
3 stops33h 44m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$212
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 August 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $250 (Frontier) |
One-way from | $124 (Expedia) |
Popular in | November |
Cheapest in | August |
Average price | $289 |
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 August 2, 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
Mon 8/31
10:57 am-9:44 pm
1 stop13h 47m
Las Vegas Harry Reid Intl
Thu 9/3
9:41 pm-9:53 am
1 stop9h 12m
$294
Quickest round-trip
IslipLas Vegas
ISP - LAS
ISPLAS
Islip Long Island
Tue 9/1
3:20 pm-8:00 pm
1 stop7h 40m
Las Vegas Harry Reid Intl
Tue 9/1
11:00 pm-10:15 am
1 stop8h 15m
$335
IslipLas Vegas
ISP - LAS
ISPLAS
Islip Long Island
Mon 11/2
1:55 pm-9:44 pm
1 stop10h 49m
Las Vegas Harry Reid Intl
Tue 11/3
8:00 am-9:37 pm
1 stop10h 37m
$345
IslipLas Vegas
ISP - LAS
ISPLAS
Islip Long Island
Fri 9/11
10:20 am-6:20 pm
2 stops11h 00m
Las Vegas Harry Reid Intl
Thu 9/17
12:20 am-12:35 pm
2 stops9h 15m
$394
IslipLas Vegas
ISP - LAS
ISPLAS
Islip Long Island
Sun 10/25
1:55 pm-9:44 pm
1 stop10h 49m
Las Vegas Harry Reid Intl
Thu 10/29
8:00 am-9:37 pm
1 stop10h 37m
$405
IslipLas Vegas
ISP - LAS
ISPLAS
Islip Long Island
Tue 9/1
4:58 pm-10:49 pm
1 stop8h 51m
Las Vegas Harry Reid Intl
Tue 9/8
7:00 am-7:33 pm
1 stop9h 33m
$405
IslipLas Vegas
ISP - LAS
ISPLAS
Islip Long Island
Wed 9/23
12:55 pm-6:40 pm
2 stops8h 45m
Las Vegas Harry Reid Intl
Fri 9/25
11:30 pm-12:05 pm
2 stops9h 35m
$406
IslipLas Vegas
ISP - LAS
ISPLAS
Islip Long Island
Sun 10/18
5:40 am-12:00 pm
2 stops9h 20m
Las Vegas Harry Reid Intl
Wed 10/21
6:50 am-7:55 pm
2 stops10h 05m
$416
IslipLas Vegas
ISP - LAS
ISPLAS
Islip Long Island
Thu 8/27
6:10 am-2:15 pm
2 stops11h 05m
Las Vegas Harry Reid Intl
Mon 8/31
11:30 pm-12:10 pm
2 stops9h 40m
$416
IslipLas Vegas
ISP - LAS
ISPLAS
Islip Long Island
Fri 10/9
5:40 pm-12:50 am
2 stops10h 10m
Las Vegas Harry Reid Intl
Tue 10/13
6:50 am-7:55 pm
2 stops10h 05m
$433
Showing 1-10 of 20 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 August.
| 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
What is the cheapest month to book a flight from Islip, New York to Las Vegas?
Currently, August is the cheapest month in which you can book a flight from Islip, New York to Las Vegas (average of $289). Flying from Islip, New York to Las Vegas in November is currently the most expensive (average of $1,076). 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.
What is the cheapest time of day to fly from ISP to LAS?
Find hourly flight availability from Islip to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 2, 2026.
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 Las Vegas as you normally would.
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 August 2, 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.
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
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.
Traveling to a place near Las Vegas?
Book flights to Las Vegas if you plan to visit one of these locationsParadise
Henderson
Mesquite
North Las Vegas
Kingman
Winchester
Boulder City
Needles
Sunrise Manor
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Other flights to Las Vegas
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Islip and Las Vegas flights
Browse other Islip and Las Vegas flight options. Last updated on August 2, 2026.
Other flights from Islip
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Top 2 airlines flying from Islip to Las Vegas
Discover the top 2 airlines that operate flights from Islip to Las Vegas. 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 2,558,603 searches. Data last updated August 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$170 | Average$370 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$379 | Average$587 | FlexibilityNo cancel fee | On-time63% |