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Cheap flights from Las Vegas to New York from $141

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to New York departing on 8/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Las Vegas to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:41 pm - 9:53 am
LAS
-
ISP
9h 12m
1 stop
Frontier Logo
10:57 am - 9:44 pm
ISP
-
LAS
13h 47m
1 stop
$307Frontier
Wed, Sep 2 - Mon, Sep 7
Frontier Logo
9:41 pm - 9:53 am
LAS
-
ISP
9h 12m
1 stop
Frontier Logo
7:09 pm - 9:21 am
ISP
-
LAS
17h 12m
1 stop
$325Frontier
Tue, Aug 18 - Sat, Aug 22
Frontier Logo
11:59 am - 9:53 am
LAS
-
ISP
18h 54m
1 stop
Frontier Logo
7:09 pm - 11:48 am
ISP
-
LAS
19h 39m
1 stop
$327Frontier
Thu, Sep 3 - Mon, Sep 7
Southwest Logo
10:30 am - 11:10 pm
LAS
-
ISP
9h 40m
1 stop
Southwest Logo
6:00 am - 10:35 am
ISP
-
LAS
7h 35m
1 stop
$335Southwest
Fri, Oct 30 - Wed, Dec 2
Southwest Logo
11:00 pm - 10:15 am
LAS
-
ISP
8h 15m
1 stop
Southwest Logo
11:55 am - 6:25 pm
ISP
-
LAS
9h 30m
2 stops
$340Southwest
Tue, Aug 18 - Sat, Aug 22
Southwest Logo
10:30 am - 11:10 pm
LAS
-
ISP
9h 40m
1 stop
Southwest Logo
11:00 am - 5:10 pm
ISP
-
LAS
9h 10m
1 stop
$342Southwest
Fri, Oct 23 - Mon, Oct 26
Southwest Logo
8:00 am - 9:05 pm
LAS
-
ISP
10h 05m
2 stops
Southwest Logo
11:55 am - 8:00 pm
ISP
-
LAS
11h 05m
2 stops
$345Southwest
Tue, Aug 18 - Sat, Aug 22
Southwest Logo
11:35 pm - 11:55 am
LAS
-
ISP
9h 20m
2 stops
Southwest Logo
7:10 pm - 12:35 am
ISP
-
LAS
8h 25m
1 stop
$347Southwest
Fri, Oct 23 - Mon, Oct 26
Southwest Logo
11:35 pm - 11:55 am
LAS
-
ISP
9h 20m
2 stops
Southwest Logo
5:40 pm - 12:50 am
ISP
-
LAS
10h 10m
2 stops
$353Southwest
Fri, Oct 23 - Mon, Oct 26
Frontier Logo
9:41 pm - 9:53 am
LAS
-
ISP
9h 12m
1 stop
Frontier Logo
10:57 am - 9:44 pm
ISP
-
LAS
13h 47m
1 stop
$365Frontier
Tue, Aug 18 - Tue, Aug 25

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Frontier flights from Las Vegas to Islip, New York

Our best Frontier deals on Las Vegas to Islip, New York flight tickets
Frontier
Sep 2
LAS9:41 pmLas Vegas Harry Reid Intl
9h 12m
1 stop
ISP9:53 amIslip Long Island
Sep 7
ISP10:57 amIslip Long Island
13h 47m
1 stop
LAS9:44 pmLas Vegas Harry Reid Intl
$307
Frontier
Aug 18
LAS9:41 pmLas Vegas Harry Reid Intl
9h 12m
1 stop
ISP9:53 amIslip Long Island
Aug 22
ISP7:09 pmIslip Long Island
17h 12m
1 stop
LAS9:21 amLas Vegas Harry Reid Intl
$325
Frontier
Sep 3
LAS11:59 amLas Vegas Harry Reid Intl
18h 54m
1 stop
ISP9:53 amIslip Long Island
Sep 7
ISP7:09 pmIslip Long Island
19h 39m
1 stop
LAS11:48 amLas Vegas Harry Reid Intl
$327

Southwest flights from Las Vegas to Islip, New York

Our best Southwest deals on Las Vegas to Islip, New York flight tickets
Southwest
Oct 30
LAS10:30 amLas Vegas Harry Reid Intl
9h 40m
1 stop
ISP11:10 pmIslip Long Island
Dec 2
ISP6:00 amIslip Long Island
7h 35m
1 stop
LAS10:35 amLas Vegas Harry Reid Intl
$335
Southwest
Aug 18
LAS11:00 pmLas Vegas Harry Reid Intl
8h 15m
1 stop
ISP10:15 amIslip Long Island
Aug 22
ISP11:55 amIslip Long Island
9h 30m
2 stops
LAS6:25 pmLas Vegas Harry Reid Intl
$340
Southwest
Oct 23
LAS10:30 amLas Vegas Harry Reid Intl
9h 40m
1 stop
ISP11:10 pmIslip Long Island
Oct 26
ISP11:00 amIslip Long Island
9h 10m
1 stop
LAS5:10 pmLas Vegas Harry Reid Intl
$342

momondo Fare Finder

 
Customize your flight search to find flights from Las Vegas to Islip, New York 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, momondo users made 832,500 searches. Data last updated July 13, 2026.
Use the filters below to find and compare flights from Las Vegas to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Wed 9/2

9:41 pm-9:53 am

1 stop9h 12m

Islip Long Island

Mon 9/7

10:57 am-9:44 pm

1 stop13h 47m

$307

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Tue 8/18

9:41 pm-9:53 am

1 stop9h 12m

Islip Long Island

Sat 8/22

7:09 pm-9:21 am

1 stop17h 12m

$325

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Thu 9/3

11:59 am-9:53 am

1 stop18h 54m

Islip Long Island

Mon 9/7

7:09 pm-11:48 am

1 stop19h 39m

$327
Quickest round-trip

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Fri 10/30

10:30 am-11:10 pm

1 stop9h 40m

Islip Long Island

Wed 12/2

6:00 am-10:35 am

1 stop7h 35m

$335

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Tue 8/18

11:00 pm-10:15 am

1 stop8h 15m

Islip Long Island

Sat 8/22

11:55 am-6:25 pm

2 stops9h 30m

$340

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Fri 10/23

10:30 am-11:10 pm

1 stop9h 40m

Islip Long Island

Mon 10/26

11:00 am-5:10 pm

1 stop9h 10m

$342

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Tue 8/18

8:00 am-9:05 pm

2 stops10h 05m

Islip Long Island

Sat 8/22

11:55 am-8:00 pm

2 stops11h 05m

$345

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Fri 10/23

11:35 pm-11:55 am

2 stops9h 20m

Islip Long Island

Mon 10/26

7:10 pm-12:35 am

1 stop8h 25m

$347

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Fri 10/23

11:35 pm-11:55 am

2 stops9h 20m

Islip Long Island

Mon 10/26

5:40 pm-12:50 am

2 stops10h 10m

$353

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Tue 8/18

9:41 pm-9:53 am

1 stop9h 12m

Islip Long Island

Tue 8/25

10:57 am-9:44 pm

1 stop13h 47m

$365

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to New York from

How to get the cheapest flight ticket from Las Vegas to Islip, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Las Vegas Harry Reid Intl to Islip Long Island?

Southwest and Frontier are the most popular carriers operating from Las Vegas Harry Reid Intl to Islip Long Island

What airlines fly to Islip, New York?

United Airlines, JetBlue and Delta are the top three most popular airlines that fly to Islip, New York from Las Vegas according to our data. United Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 6 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

When to book flights from Las Vegas to Islip, New York

Are you open to changing your travel dates? Check out the ideal times to fly from Las Vegas to Islip, New York according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Las Vegas to Islip, New York (LAS to ISP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Islip, New York

Fastest flight time

8h 15m

Direct flights

None
The fastest flight from Las Vegas to Islip, New York takes 8h 15m
There are no direct flights from Las Vegas to Islip, New York. There are no popular flight routes from Las Vegas to Islip, New York.
Search flight deals

Frequently asked questions about flying from Las Vegas to Islip, New York

  • How far is Las Vegas Harry Reid Intl to Islip Long Island by plane?

    A flight from Las Vegas Harry Reid Intl to Islip Long Island will travel around 2267.0 mi. In terms of flight time, this usually takes a little over 8h 15m.

  • When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Islip Long Island Airport?

    Prices for flights from Las Vegas Harry Reid Intl Airport to Islip Long Island Airport are updated daily.

  • How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Islip Long Island Airport?

  • How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Islip Long Island Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to Islip Long Island Airport.

  • What documentation or ID do you need to fly to Islip Long Island Airport?

    The required travel and health documents for your Islip Long Island Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Las Vegas to Islip, New York?

Best airlines flying from Las Vegas to Islip, New York

Compare and see reviews for airlines that fly from Las Vegas to Islip, New York with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $346Free CancellationRating
8.0
4,249 reviews
Search Southwest flights

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Montauk
Riverhead
Southampton
Sag Harbor
Amagansett

Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas to Islip?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Las Vegas to Islip. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Las Vegas to Islip with flexible booking policies on momondo?

Flights from Las Vegas to Islip with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Las Vegas to Islip?

momondo provides multiple filters to help you find the best flight to Islip from Las Vegas. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Las Vegas to Islip right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Las Vegas to Islip flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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