$105+ Cheap flights from Las Vegas to Islip, NY (LAS - ISP)
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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — ISP
Jun 10 — Jun 171
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
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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 May 11, 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 May 11, 2026.
This CheapOair deal was found by Cheapflights users on 5/10. 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 6/109:15 am
LAS
- ISP
1 stop8h 42m
Frontier
Sun 6/149:52 pm
ISP
- LAS
1 stop16h 18m
Frontier
Deal found 5/10![Frontier logo]()
$230
This Frontier deal was found by Cheapflights users on 5/9. 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.
Tue 8/188:17 pm
LAS
- ISP
1 stop10h 46m
Frontier
Thu 8/2710:48 am
ISP
- LAS
1 stop12h 57m
Frontier
Deal found 5/9![Frontier logo]()
$250
This Booking.com deal was found by Cheapflights users on 5/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/119:51 pm
LAS
- ISP
1 stop20h 06m
Frontier
Tue 6/164:41 pm
ISP
- LAS
1 stop31h 05m
Frontier
Deal found 5/8![Frontier logo]()
$262
This CheapOair deal was found by Cheapflights users on 5/6. 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 5/2810:25 pm
LAS
- ISP
1 stop16h 33m
Frontier
Wed 6/311:00 am
ISP
- LAS
1 stop27h 14m
Frontier
Deal found 5/6![Frontier logo]()
$264
This Frontier deal was found by Cheapflights users on 5/9. 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 8/139:42 pm
LAS
- ISP
1 stop9h 16m
Frontier
Sun 8/3010:48 am
ISP
- LAS
1 stop12h 57m
Frontier
Deal found 5/9![Frontier logo]()
$270
This Mytrip deal was found by Cheapflights users on 5/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:00 am
LAS
- ISP
1 stop23h 05m
Frontier
Mon 6/111:00 am
ISP
- LAS
1 stop27h 14m
Frontier
Deal found 5/7![Frontier logo]()
$280
This Frontier deal was found by Cheapflights users on 5/9. 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.
Fri 8/149:42 pm
LAS
- ISP
1 stop9h 16m
Frontier
Sun 8/3010:48 am
ISP
- LAS
1 stop12h 57m
Frontier
Deal found 5/9![Frontier logo]()
$290
This Frontier deal was found by Cheapflights users on 5/9. 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.
Tue 8/188:17 pm
LAS
- ISP
1 stop10h 46m
Frontier
Wed 8/2610:48 am
ISP
- LAS
1 stop12h 57m
Frontier
Deal found 5/9![Frontier logo]()
$315
This Frontier deal was found by Cheapflights users on 5/9. 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.
Sun 8/169:42 pm
LAS
- ISP
1 stop9h 16m
Frontier
Wed 8/2610:48 am
ISP
- LAS
1 stop12h 57m
Frontier
Deal found 5/9![Frontier logo]()
$335
This Trip.com deal was found by Cheapflights users on 5/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1911:36 pm
LAS
- ISP
1 stop16h 29m
Frontier
Sat 6/279:52 pm
ISP
- LAS
1 stop16h 18m
Frontier
Deal found 5/11![Frontier logo]()
$341
This CheapOair deal was found by Cheapflights users on 5/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1811:36 pm
LAS
- ISP
1 stop16h 29m
Frontier
Sat 6/279:52 pm
ISP
- LAS
1 stop26h 08m
Frontier
Deal found 5/8![Frontier logo]()
$349
This CheapOair deal was found by Cheapflights users on 5/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:00 am
LAS
- ISP
1 stop23h 05m
Frontier
Mon 5/1811:00 am
ISP
- LAS
1 stop12h 47m
Frontier
Deal found 5/7![Frontier logo]()
$350
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 May 11, 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 May 11, 2026.
This CheapOair deal was found by Cheapflights users on 5/6. 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 5/2810:25 pm
LAS
- ISP
1 stop16h 33m
Frontier
Wed 6/311:00 am
ISP
- LAS
1 stop27h 14m
Frontier
Deal found 5/6![Frontier logo]()
$264
This Frontier deal was found by Cheapflights users on 5/9. 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.
Sun 8/169:42 pm
LAS
- ISP
1 stop9h 16m
Frontier
Sun 8/3010:48 am
ISP
- LAS
1 stop12h 57m
Frontier
Deal found 5/9![Frontier logo]()
$270
This Frontier deal was found by Cheapflights users on 5/9. 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 8/139:42 pm
LAS
- ISP
1 stop9h 16m
Frontier
Thu 8/2710:48 am
ISP
- LAS
1 stop12h 57m
Frontier
Deal found 5/9![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 5/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2910:25 pm
LAS
- ISP
1 stop16h 33m
Frontier
Fri 6/511:00 am
ISP
- LAS
1 stop27h 14m
Frontier
Deal found 5/8![Frontier logo]()
$270
This Frontier deal was found by Cheapflights users on 5/9. 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 8/139:42 pm
LAS
- ISP
1 stop9h 16m
Frontier
Sat 8/2910:48 am
ISP
- LAS
1 stop12h 57m
Frontier
Deal found 5/9![Frontier logo]()
$270
This Mytrip deal was found by Cheapflights users on 5/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:00 am
LAS
- ISP
1 stop23h 05m
Frontier
Mon 6/111:00 am
ISP
- LAS
1 stop27h 14m
Frontier
Deal found 5/7![Frontier logo]()
$280
This Frontier deal was found by Cheapflights users on 5/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/249:15 am
LAS
- ISP
1 stop8h 42m
Frontier
Mon 7/2010:48 am
ISP
- LAS
1 stop12h 22m
Frontier
Deal found 5/10![Frontier logo]()
$335
This Trip.com deal was found by Cheapflights users on 5/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1911:36 pm
LAS
- ISP
1 stop16h 29m
Frontier
Sat 6/279:52 pm
ISP
- LAS
1 stop16h 18m
Frontier
Deal found 5/11![Frontier logo]()
$341
This Frontier deal was found by Cheapflights users on 5/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/259:15 am
LAS
- ISP
1 stop8h 42m
Frontier
Mon 7/2710:48 am
ISP
- LAS
1 stop12h 22m
Frontier
Deal found 5/10![Frontier logo]()
$355
This CheapOair deal was found by Cheapflights users on 5/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2410:02 pm
LAS
- ISP
1 stop9h 03m
Frontier
Thu 5/2811:00 am
ISP
- LAS
1 stop27h 14m
Frontier
Deal found 5/8![Frontier logo]()
$375
This Frontier deal was found by Cheapflights users on 5/9. 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.
Sat 8/159:42 pm
LAS
- ISP
1 stop9h 21m
Frontier
Wed 8/2610:48 am
ISP
- LAS
1 stop12h 57m
Frontier
Deal found 5/9![Frontier logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1112:49 pm
LAS
- ISP
2 stops29h 08m
Frontier
Tue 6/164:41 pm
ISP
- LAS
1 stop31h 05m
Frontier
Deal found 5/8![Frontier logo]()
$423
Last-minute flights from Las Vegas to IslipDiscover last-minute flight deals from Las Vegas to Islip. Data last updated May 11, 2026 and is based on user searches.
Discover last-minute flight deals from Las Vegas to Islip. Data last updated May 11, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 5/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:00 am
LAS
- ISP
1 stop23h 05m
Frontier
Mon 5/1811:00 am
ISP
- LAS
1 stop12h 47m
Frontier
Deal found 5/7![Frontier logo]()
$350
This CheapOair deal was found by Cheapflights users on 5/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2210:25 pm
LAS
- ISP
1 stop16h 33m
Frontier
Mon 5/256:43 pm
ISP
- LAS
1 stop9h 10m
Frontier
Deal found 5/7![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 5/6. 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 5/2810:25 pm
LAS
- ISP
1 stop16h 33m
Frontier
Wed 6/311:00 am
ISP
- LAS
1 stop27h 14m
Frontier
Deal found 5/6![Frontier logo]()
$264
This Mytrip deal was found by Cheapflights users on 5/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/308:00 am
LAS
- ISP
1 stop23h 05m
Frontier
Mon 6/111:00 am
ISP
- LAS
1 stop27h 14m
Frontier
Deal found 5/7![Frontier logo]()
$280
This CheapOair deal was found by Cheapflights users on 5/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:00 am
LAS
- ISP
1 stop23h 05m
Frontier
Mon 6/811:00 am
ISP
- LAS
1 stop27h 10m
Frontier
Deal found 5/8![Frontier logo]()
$290
This CheapOair deal was found by Cheapflights users on 5/10. 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.
Tue 6/99:51 pm
LAS
- ISP
1 stop20h 06m
Frontier
Thu 6/119:52 pm
ISP
- LAS
1 stop16h 18m
Frontier
Deal found 5/10![Frontier logo]()
$335
This CheapOair deal was found by Cheapflights users on 5/10. 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 6/109:15 am
LAS
- ISP
1 stop8h 42m
Frontier
Sun 6/149:52 pm
ISP
- LAS
1 stop16h 18m
Frontier
Deal found 5/10![Frontier logo]()
$230
This CheapOair deal was found by Cheapflights users on 5/6. 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 6/1111:36 pm
LAS
- ISP
1 stop16h 29m
Frontier
Sun 6/149:52 pm
ISP
- LAS
1 stop26h 08m
Frontier
Deal found 5/6![Frontier logo]()
$250
This Booking.com deal was found by Cheapflights users on 5/8. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/119:51 pm
LAS
- ISP
1 stop20h 06m
Frontier
Tue 6/164:41 pm
ISP
- LAS
1 stop31h 05m
Frontier
Deal found 5/8![Frontier logo]()
$262
This CheapOair deal was found by Cheapflights users on 5/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1811:36 pm
LAS
- ISP
1 stop16h 29m
Frontier
Sat 6/279:52 pm
ISP
- LAS
1 stop26h 08m
Frontier
Deal found 5/8![Frontier logo]()
$349
This Trip.com deal was found by Cheapflights users on 5/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1911:36 pm
LAS
- ISP
1 stop16h 29m
Frontier
Sat 6/279:52 pm
ISP
- LAS
1 stop16h 18m
Frontier
Deal found 5/11![Frontier logo]()
$341
This Frontier deal was found by Cheapflights users on 5/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/259:15 am
LAS
- ISP
1 stop8h 42m
Frontier
Mon 7/2710:48 am
ISP
- LAS
1 stop12h 22m
Frontier
Deal found 5/10![Frontier logo]()
$355
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 May 11, 2026.
Search for one-way flight options from Las Vegas to Islip. Find affordable one-way fares based on user searches. Data last updated May 11, 2026.
This CheapOair deal was found by Cheapflights users on 5/6. 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 5/278:17 pm
LAS
- ISP
1 stop10h 48m
Frontier
Deal found 5/6![Frontier logo]()
$105
This CheapOair deal was found by Cheapflights users on 5/6. 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 6/179:51 pm
LAS
- ISP
1 stop20h 06m
Frontier
Deal found 5/6![Frontier logo]()
$111
This CheapOair deal was found by Cheapflights users on 5/6. 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.
Sun 7/269:42 pm
LAS
- ISP
1 stop9h 16m
Frontier
Deal found 5/6![Frontier logo]()
$125
This Trip.com deal was found by Cheapflights users on 5/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:00 am
LAS
- ISP
1 stop23h 05m
Frontier
Deal found 5/9![Frontier logo]()
$129
This CheapOair deal was found by Cheapflights users on 5/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2810:02 pm
LAS
- ISP
1 stop9h 03m
Frontier
Deal found 5/8![Frontier logo]()
$135
This CheapOair deal was found by Cheapflights users on 5/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2210:25 pm
LAS
- ISP
1 stop16h 33m
Frontier
Deal found 5/8![Frontier logo]()
$141
This Frontier deal was found by Cheapflights users on 5/9. 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.
Sun 7/129:42 pm
LAS
- ISP
1 stop9h 16m
Frontier
Deal found 5/9![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 5/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/112:29 am
LAS
- ISP
2 stops13h 18m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$149
This Expedia deal was found by Cheapflights users on 5/6. 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.
Sun 9/610:50 pm
LAS
- ISP
1 stop17h 15m
Frontier
Deal found 5/6![Frontier logo]()
$151
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 May 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $230 (CheapOair) |
One-way from | $105 (CheapOair) |
Popular in | March |
Cheapest in | September |
Average price | $284 |
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 2,558,603 searches. Data last updated May 11, 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 - ISP
LASISP
Las Vegas Harry Reid Intl
Thu 5/28
10:25 pm-5:58 pm
1 stop16h 33m
Islip Long Island
Wed 6/3
11:00 am-11:14 am
1 stop27h 14m
$264
Las VegasIslip
LAS - ISP
LASISP
Las Vegas Harry Reid Intl
Sun 8/16
9:42 pm-9:58 am
1 stop9h 16m
Islip Long Island
Sun 8/30
10:48 am-8:45 pm
1 stop12h 57m
$270
Las VegasIslip
LAS - ISP
LASISP
Las Vegas Harry Reid Intl
Thu 8/13
9:42 pm-9:58 am
1 stop9h 16m
Islip Long Island
Thu 8/27
10:48 am-8:45 pm
1 stop12h 57m
$270
Las VegasIslip
LAS - ISP
LASISP
Las Vegas Harry Reid Intl
Fri 5/29
10:25 pm-5:58 pm
1 stop16h 33m
Islip Long Island
Fri 6/5
11:00 am-11:14 am
1 stop27h 14m
$270
Las VegasIslip
LAS - ISP
LASISP
Las Vegas Harry Reid Intl
Thu 8/13
9:42 pm-9:58 am
1 stop9h 16m
Islip Long Island
Sat 8/29
10:48 am-8:45 pm
1 stop12h 57m
$270
Las VegasIslip
LAS - ISP
LASISP
Las Vegas Harry Reid Intl
Sat 5/30
8:00 am-10:05 am
1 stop23h 05m
Islip Long Island
Mon 6/1
11:00 am-11:14 am
1 stop27h 14m
$280
Quickest round-trip
Las VegasIslip
LAS - ISP
LASISP
Las Vegas Harry Reid Intl
Wed 6/24
9:15 am-8:57 pm
1 stop8h 42m
Islip Long Island
Mon 7/20
10:48 am-8:10 pm
1 stop12h 22m
$335
Las VegasIslip
LAS - ISP
LASISP
Las Vegas Harry Reid Intl
Fri 6/19
11:36 pm-7:05 pm
1 stop16h 29m
Islip Long Island
Sat 6/27
9:52 pm-11:10 am
1 stop16h 18m
$341
Las VegasIslip
LAS - ISP
LASISP
Las Vegas Harry Reid Intl
Thu 6/25
9:15 am-8:57 pm
1 stop8h 42m
Islip Long Island
Mon 7/27
10:48 am-8:10 pm
1 stop12h 22m
$355
Las VegasIslip
LAS - ISP
LASISP
Las Vegas Harry Reid Intl
Sun 5/24
10:02 pm-10:05 am
1 stop9h 03m
Islip Long Island
Thu 5/28
11:00 am-11:14 am
1 stop27h 14m
$375
Showing 1-10 of 24 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 May.
| 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 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 May 11, 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.
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 May 11, 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 2,558,603 searches. Data last updated May 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$391 | Average$484 | FlexibilityNo cancel fee | On-time63% |