$106+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — ISP
Apr 11 — Apr 181
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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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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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 March 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 March 12, 2026.
This CheapOair deal was found by Cheapflights users on 3/10. 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.
Thu 4/2311:29 pm
LAS
- ISP
1 stop17h 07m
Frontier
Sun 4/264:07 pm
ISP
- LAS
1 stop9h 34m
Frontier
Deal found 3/10![Frontier logo]()
$200
This CheapOair deal was found by Cheapflights users on 3/11. 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.
Fri 5/111:54 pm
LAS
- ISP
1 stop30h 19m
Frontier
Sun 5/38:31 pm
ISP
- LAS
1 stop14h 55m
Frontier
Deal found 3/11![Frontier logo]()
$220
This CheapOair deal was found by Cheapflights users on 3/10. 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 4/1411:54 pm
LAS
- ISP
1 stop30h 39m
Frontier
Thu 4/168:31 pm
ISP
- LAS
1 stop14h 55m
Frontier
Deal found 3/10![Frontier logo]()
$265
This CheapOair deal was found by Cheapflights users on 3/11. 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.
Sat 5/308:00 am
LAS
- ISP
1 stop23h 05m
Frontier
Wed 6/1010:03 am
ISP
- LAS
1 stop15h 26m
Frontier
Deal found 3/11![Frontier logo]()
$290
This Expedia deal was found by Cheapflights users on 3/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1511:13 am
LAS
- ISP
1 stop18h 55m
Frontier
Mon 7/2010:03 am
ISP
- LAS
1 stop15h 26m
Frontier
Deal found 3/11![Frontier logo]()
$330
This CheapOair deal was found by Cheapflights users on 3/8. 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.
Tue 3/3111:59 pm
LAS
- ISP
1 stop17h 00m
Frontier
Tue 4/75:43 pm
ISP
- LAS
1 stop31h 06m
Frontier
Deal found 3/8![Frontier logo]()
$356
This CheapOair deal was found by Cheapflights users on 3/7. 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.
Thu 6/2511:59 pm
LAS
- ISP
1 stop30h 09m
Frontier
Mon 6/2910:03 am
ISP
- LAS
1 stop26h 50m
Frontier
Deal found 3/7![Frontier logo]()
$415
This Frontier deal was found by Cheapflights users on 3/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/208:17 pm
LAS
- ISP
1 stop10h 48m
Frontier
Sun 5/3111:00 am
ISP
- LAS
1 stop12h 47m
Frontier
Deal found 3/11![Frontier logo]()
$460
This CheapOair deal was found by Cheapflights users on 3/11. 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.
Mon 5/188:00 am
LAS
- ISP
1 stop24h 00m
Frontier
Fri 5/226:43 pm
ISP
- LAS
1 stop9h 10m
Frontier
Deal found 3/11![Frontier logo]()
$463
This Southwest deal was found by Cheapflights users on 3/11. 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 7/1511:25 pm
LAS
- ISP
2 stops9h 25m
Southwest
Mon 7/2012:30 pm
ISP
- LAS
1 stop8h 20m
Southwest
Deal found 3/11![Southwest logo]()
$472
This Frontier deal was found by Cheapflights users on 3/9. 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.
Wed 7/2211:59 pm
LAS
- ISP
1 stop11h 35m
Frontier
Wed 7/2910:03 am
ISP
- LAS
1 stop15h 26m
Frontier
Deal found 3/9![Frontier logo]()
$484
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 March 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 March 12, 2026.
This CheapOair deal was found by Cheapflights users on 3/10. 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.
Thu 4/2311:29 pm
LAS
- ISP
1 stop17h 07m
Frontier
Sun 4/264:07 pm
ISP
- LAS
1 stop9h 34m
Frontier
Deal found 3/10![Frontier logo]()
$200
This CheapOair deal was found by Cheapflights users on 3/11. 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.
Fri 5/111:54 pm
LAS
- ISP
1 stop30h 19m
Frontier
Sun 5/38:31 pm
ISP
- LAS
1 stop14h 55m
Frontier
Deal found 3/11![Frontier logo]()
$220
This Southwest deal was found by Cheapflights users on 3/11. 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 7/1511:25 pm
LAS
- ISP
2 stops9h 25m
Southwest
Mon 7/2012:30 pm
ISP
- LAS
1 stop8h 20m
Southwest
Deal found 3/11![Southwest logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Mon 3/2311:59 pm
LAS
- ISP
2 stops32h 11m
Multiple Airlines
Fri 3/271:42 pm
ISP
- LAS
1 stop12h 01m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$562
This CheapOair deal was found by Cheapflights users on 3/11. 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.
Sat 5/308:00 am
LAS
- ISP
1 stop23h 05m
Frontier
Wed 6/1010:03 am
ISP
- LAS
1 stop15h 26m
Frontier
Deal found 3/11![Frontier logo]()
$290
This CheapOair deal was found by Cheapflights users on 3/7. 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.
Thu 6/2511:59 pm
LAS
- ISP
1 stop30h 09m
Frontier
Mon 6/2910:03 am
ISP
- LAS
1 stop26h 50m
Frontier
Deal found 3/7![Frontier logo]()
$415
This CheapOair deal was found by Cheapflights users on 3/11. 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.
Mon 5/188:00 am
LAS
- ISP
1 stop24h 00m
Frontier
Fri 5/226:43 pm
ISP
- LAS
1 stop9h 10m
Frontier
Deal found 3/11![Frontier logo]()
$463
This Frontier deal was found by Cheapflights users on 3/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2211:59 pm
LAS
- ISP
1 stop11h 35m
Frontier
Wed 7/2910:03 am
ISP
- LAS
1 stop15h 26m
Frontier
Deal found 3/7![Frontier logo]()
$484
This CheapOair deal was found by Cheapflights users on 3/10. 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.
Mon 5/2510:12 pm
LAS
- ISP
1 stop16h 05m
Frontier
Fri 5/2911:00 am
ISP
- LAS
1 stop12h 47m
Frontier
Deal found 3/10![Frontier logo]()
$531
This Frontier deal was found by Cheapflights users on 3/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/611:59 pm
LAS
- ISP
1 stop13h 59m
Frontier
Sun 4/1212:08 pm
ISP
- LAS
1 stop13h 28m
Frontier
Deal found 3/8![Frontier logo]()
$535
This CheapOair deal was found by Cheapflights users on 3/9. 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 4/911:20 pm
LAS
- ISP
1 stop16h 51m
Frontier
Tue 4/149:38 am
ISP
- LAS
1 stop28h 37m
Frontier
Deal found 3/9![Frontier logo]()
$574
Last-minute flights from Las Vegas to IslipDiscover last-minute flight deals from Las Vegas to Islip. Data last updated March 12, 2026 and is based on user searches.
Discover last-minute flight deals from Las Vegas to Islip. Data last updated March 12, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Thu 3/129:20 pm
LAS
- ISP
2 stops34h 50m
Multiple Airlines
Thu 3/194:34 pm
ISP
- LAS
1 stop22h 21m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$806
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Mon 3/2311:59 pm
LAS
- ISP
2 stops32h 11m
Multiple Airlines
Fri 3/271:42 pm
ISP
- LAS
1 stop12h 01m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$562
This Southwest deal was found by Cheapflights users on 3/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2310:20 pm
LAS
- ISP
1 stop10h 20m
Southwest
Fri 3/276:00 am
ISP
- LAS
1 stop8h 05m
Southwest
Deal found 3/8![Southwest logo]()
$632
This Frontier deal was found by Cheapflights users on 3/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2611:59 pm
LAS
- ISP
1 stop9h 48m
Frontier
Mon 3/301:22 pm
ISP
- LAS
1 stop12h 27m
Frontier
Deal found 3/11![Frontier logo]()
$634
This CheapOair deal was found by Cheapflights users on 3/8. 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.
Tue 3/3111:59 pm
LAS
- ISP
1 stop17h 00m
Frontier
Tue 4/75:43 pm
ISP
- LAS
1 stop31h 06m
Frontier
Deal found 3/8![Frontier logo]()
$356
This Frontier deal was found by Cheapflights users on 3/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/611:59 pm
LAS
- ISP
1 stop13h 59m
Frontier
Mon 4/134:01 pm
ISP
- LAS
1 stop9h 35m
Frontier
Deal found 3/8![Frontier logo]()
$511
This Frontier deal was found by Cheapflights users on 3/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/611:59 pm
LAS
- ISP
1 stop13h 59m
Frontier
Sun 4/1212:08 pm
ISP
- LAS
1 stop13h 28m
Frontier
Deal found 3/8![Frontier logo]()
$535
This Frontier deal was found by Cheapflights users on 3/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:59 pm
LAS
- ISP
1 stop13h 44m
Frontier
Mon 4/134:01 pm
ISP
- LAS
1 stop9h 35m
Frontier
Deal found 3/8![Frontier logo]()
$550
This Frontier deal was found by Cheapflights users on 3/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:59 pm
LAS
- ISP
1 stop13h 44m
Frontier
Sun 4/1212:08 pm
ISP
- LAS
1 stop13h 28m
Frontier
Deal found 3/8![Frontier logo]()
$574
This CheapOair deal was found by Cheapflights users on 3/10. 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 4/1411:54 pm
LAS
- ISP
1 stop30h 39m
Frontier
Thu 4/168:31 pm
ISP
- LAS
1 stop14h 55m
Frontier
Deal found 3/10![Frontier logo]()
$265
This CheapOair deal was found by Cheapflights users on 3/10. 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.
Thu 4/2311:29 pm
LAS
- ISP
1 stop17h 07m
Frontier
Sun 4/264:07 pm
ISP
- LAS
1 stop9h 34m
Frontier
Deal found 3/10![Frontier logo]()
$200
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 March 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 March 12, 2026.
This CheapOair deal was found by Cheapflights users on 3/9. 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.
Sat 4/1811:54 pm
LAS
- ISP
1 stop30h 19m
Frontier
Deal found 3/9![Frontier logo]()
$106
This CheapOair deal was found by Cheapflights users on 3/11. 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 5/58:17 pm
LAS
- ISP
1 stop10h 48m
Frontier
Deal found 3/11![Frontier logo]()
$110
This CheapOair deal was found by Cheapflights users on 3/10. 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 4/111:20 pm
LAS
- ISP
1 stop23h 06m
Frontier
Deal found 3/10![Frontier logo]()
$116
This CheapOair deal was found by Cheapflights users on 3/10. 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.
Thu 4/211:20 pm
LAS
- ISP
1 stop22h 03m
Frontier
Deal found 3/10![Frontier logo]()
$125
This CheapOair deal was found by Cheapflights users on 3/9. 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 3/2511:59 pm
LAS
- ISP
1 stop13h 14m
Frontier
Deal found 3/9![Frontier logo]()
$127
This Lucky2Go deal was found by Cheapflights users on 3/9. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/711:59 pm
LAS
- ISP
1 stop30h 09m
Frontier
Deal found 3/9![Frontier logo]()
$129
This CheapOair deal was found by Cheapflights users on 3/9. 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.
Sun 4/511:20 pm
LAS
- ISP
1 stop22h 03m
Frontier
Deal found 3/9![Frontier logo]()
$131
This CheapOair deal was found by Cheapflights users on 3/10. 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 4/411:59 pm
LAS
- ISP
1 stop8h 14m
Frontier
Deal found 3/10![Frontier logo]()
$135
This Expedia deal was found by Cheapflights users on 3/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2911:13 am
LAS
- ISP
1 stop18h 55m
Frontier
Deal found 3/10![Frontier logo]()
$141
This CheapOair deal was found by Cheapflights users on 3/11. 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 3/2611:59 pm
LAS
- ISP
1 stop9h 48m
Frontier
Deal found 3/11![Frontier logo]()
$145
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 March 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $200 (CheapOair) |
One-way from | $106 (CheapOair) |
Popular in | June |
Cheapest in | May |
Average price | $707 |
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 March 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 - ISP
LASISP
Las Vegas Harry Reid Intl
Thu 4/23
11:29 pm-7:36 pm
1 stop17h 07m
Islip Long Island
Sun 4/26
4:07 pm-10:41 pm
1 stop9h 34m
$200
Las VegasIslip
LAS - ISP
LASISP
Las Vegas Harry Reid Intl
Fri 5/1
11:54 pm-9:13 am
1 stop30h 19m
Islip Long Island
Sun 5/3
8:31 pm-8:26 am
1 stop14h 55m
$220
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
Wed 6/10
10:03 am-10:29 pm
1 stop15h 26m
$290
Las VegasIslip
LAS - ISP
LASISP
Las Vegas Harry Reid Intl
Thu 6/25
11:59 pm-9:08 am
1 stop30h 09m
Islip Long Island
Mon 6/29
10:03 am-9:53 am
1 stop26h 50m
$415
Las VegasIslip
LAS - ISP
LASISP
Las Vegas Harry Reid Intl
Mon 5/18
8:00 am-11:00 am
1 stop24h 00m
Islip Long Island
Fri 5/22
6:43 pm-12:53 am
1 stop9h 10m
$463
Quickest round-trip
Las VegasIslip
LAS - ISP
LASISP
Las Vegas Harry Reid Intl
Wed 7/15
11:25 pm-11:50 am
2 stops9h 25m
Islip Long Island
Mon 7/20
12:30 pm-5:50 pm
1 stop8h 20m
$472
Las VegasIslip
LAS - ISP
LASISP
Las Vegas Harry Reid Intl
Wed 7/22
11:59 pm-2:34 pm
1 stop11h 35m
Islip Long Island
Wed 7/29
10:03 am-10:29 pm
1 stop15h 26m
$484
Las VegasIslip
LAS - ISP
LASISP
Las Vegas Harry Reid Intl
Mon 5/25
10:12 pm-5:17 pm
1 stop16h 05m
Islip Long Island
Fri 5/29
11:00 am-8:47 pm
1 stop12h 47m
$531
Las VegasIslip
LAS - ISP
LASISP
Las Vegas Harry Reid Intl
Mon 4/6
11:59 pm-4:58 pm
1 stop13h 59m
Islip Long Island
Sun 4/12
12:08 pm-10:36 pm
1 stop13h 28m
$535
Las VegasIslip
LAS - ISP
LASISP
Las Vegas Harry Reid Intl
Mon 3/23
11:59 pm-11:10 am
2 stops32h 11m
Islip Long Island
Fri 3/27
1:42 pm-10:43 pm
1 stop12h 01m
$562
Showing 1-10 of 23 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 March.
| 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.
Cheapflights Insights
Everything you need to know about your flight from Las Vegas to Islip
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 March 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.
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Overall
8.0
Food
7.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
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Other flights to Islip
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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 March 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$356 | Average$482 | FlexibilityNo cancel fee | On-time63% |