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Islip

$135+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — ISP
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap 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 July 3, 2025.

Round-trip from

$315
(FlightHub)

One-way from

$135
(Frontier)

Popular in

December

Cheapest in

March

Average price

$452
From Las Vegas Harry Reid Intl to Islip Long Island
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One-way flight from Las Vegas Harry Reid Intl to Islip Long Island
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Highest demand for flights based on searches. 16% potential increase in price ($89 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Las Vegas to Islip

Cheapest flights from Las Vegas to Islip
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 July 3, 2025.

This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/33:15 pmLAS - ISP
1 stop16h 25mFrontier
Tue 9/2311:25 amISP - LAS
1 stop31h 14mFrontier
Deal found 7/3$315
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.
Fri 10/3110:10 pmLAS - ISP
1 stop8h 32mJetBlue
Mon 11/312:15 pmISP - LAS
1 stop10h 46mJetBlue
Deal found 7/3$427
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/312:49 pmLAS - ISP
3 stops27h 07mMultiple Airlines
Tue 9/2311:25 amISP - LAS
1 stop31h 14mMultiple Airlines
Deal found 7/2$502
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 7/1811:15 amLAS - ISP
2 stops9h 50mSouthwest
Mon 7/2110:00 amISP - LAS
2 stops11h 25mSouthwest
Deal found 7/1$591
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1811:20 amLAS - ISP
3 stops23h 12mBreeze Airways
Mon 7/2110:36 amISP - LAS
2 stops27h 43mBreeze Airways
Deal found 7/1$892

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 July 3, 2025.
Use the filters below to find and compare flights from Las Vegas to Islip that are best for you.

Fly from

Las Vegas

Fly to

Islip

Route

Depart

Return

Price

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Wed 9/3

3:15 pm-10:40 am

1 stop16h 25m

Islip Long Island

Tue 9/23

11:25 am-3:39 pm

1 stop31h 14m

$315

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Fri 10/31

10:10 pm-9:42 am

1 stop8h 32m

Islip Long Island

Mon 11/3

12:15 pm-8:01 pm

1 stop10h 46m

$427

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Wed 9/3

12:49 pm-6:56 pm

3 stops27h 07m

Islip Long Island

Tue 9/23

11:25 am-3:39 pm

1 stop31h 14m

$502

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Fri 7/18

11:15 am-12:05 am

2 stops9h 50m

Islip Long Island

Mon 7/21

10:00 am-6:25 pm

2 stops11h 25m

$591

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Fri 7/18

11:20 am-1:32 pm

3 stops23h 12m

Islip Long Island

Mon 7/21

10:36 am-11:19 am

2 stops27h 43m

$892

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Fri 7/25

11:02 pm-1:04 pm

1 stop11h 02m

$135

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Mon 8/11

11:48 pm-11:41 am

1 stop8h 53m

$148

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Sat 7/19

6:05 am-5:15 pm

1 stop8h 10m

$264

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Wed 7/16

12:20 am-6:59 pm

3 stops15h 39m

$337

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Sat 8/30

12:30 pm-6:59 pm

3 stops27h 29m

$438

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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.
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

What is the cheapest month to book a flight from Las Vegas to Islip, New York?

Currently, January is the cheapest month in which you can book a flight from Las Vegas to Islip, New York (average of $108). Flying from Las Vegas to Islip, New York in November is currently the most expensive (average of $213). 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 LAS to ISP?

Find hourly flight availability from Las Vegas to Islip. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

It’s optimal to fly from Las Vegas to Islip, New York at noon. By choosing this option you can save up to 47% on the cost of your flight, compared to a flight in the morning.

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 July 3, 2025.
Read through reviews of airlines operating flights from Las Vegas to Islip, such as Breeze Airways, Southwest, and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
183 reviews

Boarding

8.3

Entertainment

6.6

Crew

8.8

Food

6.8

Overall

8.1

Comfort

8.2

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Breeze Airways
8.1
Very good
183 reviews
Breeze Airways
8.1
Very good
183 reviews

Boarding

8.3

Entertainment

6.6

Crew

8.8

Food

6.8

Overall

8.1

Comfort

8.2

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Southwest
8.0
Very good
4,266 reviews
Breeze Airways
8.1
Very good
183 reviews

Boarding

8.3

Entertainment

6.6

Crew

8.8

Food

6.8

Overall

8.1

Comfort

8.2

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
JetBlue
7.3
Good
2,916 reviews
Breeze Airways
8.1
Very good
183 reviews

Boarding

8.3

Entertainment

6.6

Crew

8.8

Food

6.8

Overall

8.1

Comfort

8.2

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Frontier
5.9
Fair
3,286 reviews
Breeze Airways
8.1
Very good
183 reviews

Boarding

8.3

Entertainment

6.6

Crew

8.8

Food

6.8

Overall

8.1

Comfort

8.2

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

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.

  • What are the cheapest airlines flying from Las Vegas to Islip, New York round-trip?

    Our cheapest airline available from Las Vegas to Islip, New York is Frontier. Our recent data shows that you can find tickets from as low as $315 on this airline. Additional options worth looking into are JetBlue and Southwest, starting at $427 and $591 round-trip. Users have found that Frontier is 29% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Las Vegas to Islip, New York one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $135. Users have also found prices from $148 and $264 on JetBlue and Southwest, respectively.

  • Can I find deals for flights from Las Vegas to Islip that include hotel bookings?

    Yes. In addition to deals on Las Vegas to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Las Vegas to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to Islip.

  • Can I find deals for business class flights from Las Vegas to Islip?

    Yes. Cheapflights offers flight deals from Las Vegas to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Las Vegas to Islip, New York?

    Currently, January is the cheapest month in which you can book a flight from Las Vegas to Islip, New York (average of $108). Flying from Las Vegas to Islip, New York in November is currently the most expensive (average of $213). 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.

See more FAQs

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Alternative routes for Las Vegas 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$356Average$506FlexibilityNo cancel feeOn-time63%

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