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Cheap flights from Islip, New York to Las Vegas from $79

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to Las Vegas departing on 2/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Islip, New York to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:01 pm - 10:15 am
ISP
-
LAS
25h 14m1 stop
Frontier Logo
11:03 pm - 2:39 pm
LAS
-
ISP
12h 36m1 stop
$145Frontier
sáb., feb. 28 - mié., mar. 4
Frontier Logo
8:23 pm - 10:15 am
ISP
-
LAS
16h 52m1 stop
Frontier Logo
11:03 pm - 8:40 am
LAS
-
ISP
30h 37m1 stop
$165Frontier
sáb., feb. 28 - lun., mar. 2
Frontier Logo
8:33 am - 11:11 am
ISP
-
LAS
29h 38m1 stop
Frontier Logo
11:03 pm - 2:39 pm
LAS
-
ISP
12h 36m1 stop
$178Frontier
dom., feb. 22 - jue., feb. 26
Frontier Logo
8:23 am - 10:15 am
ISP
-
LAS
28h 52m1 stop
Frontier Logo
11:03 pm - 2:39 pm
LAS
-
ISP
12h 36m1 stop
$186Frontier
lun., feb. 23 - mié., mar. 4
Frontier Logo
8:23 pm - 10:15 am
ISP
-
LAS
16h 52m1 stop
Frontier Logo
11:03 pm - 8:40 am
LAS
-
ISP
30h 37m1 stop
$201Frontier
sáb., feb. 21 - lun., feb. 23
Frontier Logo
3:34 pm - 10:15 am
ISP
-
LAS
21h 41m1 stop
Frontier Logo
11:03 pm - 5:01 pm
LAS
-
ISP
14h 58m1 stop
$202Frontier
jue., feb. 26 - sáb., feb. 28
Frontier Logo
8:23 am - 10:15 am
ISP
-
LAS
28h 52m1 stop
Frontier Logo
11:03 pm - 7:28 pm
LAS
-
ISP
17h 25m1 stop
$211Frontier
lun., feb. 23 - vie., feb. 27
Frontier Logo
8:33 am - 10:31 am
ISP
-
LAS
28h 58m1 stop
Frontier Logo
11:03 pm - 8:40 am
LAS
-
ISP
30h 37m1 stop
$216Frontier
vie., feb. 27 - lun., mar. 2
Frontier Logo
1:22 pm - 10:49 pm
ISP
-
LAS
12h 27m1 stop
Frontier Logo
11:59 pm - 12:47 pm
LAS
-
ISP
9h 48m1 stop
$219Frontier
lun., mar. 9 - jue., mar. 12
Frontier Logo
1:22 pm - 11:55 am
ISP
-
LAS
25h 33m1 stop
Frontier Logo
1:36 pm - 12:47 pm
LAS
-
ISP
20h 11m1 stop
$221Frontier
lun., mar. 23 - jue., mar. 26

Frontier flights from Islip, New York to Las Vegas

Our best Frontier deals on Islip, New York to Las Vegas flight tickets
Frontier
Feb 28
ISP12:01 pmIslip Long Island
25h 14m
1 stop
LAS10:15 amLas Vegas Harry Reid Intl
Mar 4
LAS11:03 pmLas Vegas Harry Reid Intl
12h 36m
1 stop
ISP2:39 pmIslip Long Island
$145
Frontier
Feb 28
ISP8:23 pmIslip Long Island
16h 52m
1 stop
LAS10:15 amLas Vegas Harry Reid Intl
Mar 2
LAS11:03 pmLas Vegas Harry Reid Intl
30h 37m
1 stop
ISP8:40 amIslip Long Island
$165
Frontier
Feb 22
ISP8:33 amIslip Long Island
29h 38m
1 stop
LAS11:11 amLas Vegas Harry Reid Intl
Feb 26
LAS11:03 pmLas Vegas Harry Reid Intl
12h 36m
1 stop
ISP2:39 pmIslip Long Island
$178

Southwest flights from Islip, New York to Las Vegas

Our best Southwest deals on Islip, New York to Las Vegas flight tickets
Southwest
Jan 12
ISP6:00 amIslip Long Island
11h 10m
2 stops
LAS2:10 pmLas Vegas Harry Reid Intl
Jan 19
LAS6:35 amLas Vegas Harry Reid Intl
7h 00m
1 stop
ISP4:35 pmIslip Long Island
$777
Southwest
Jan 15
ISP5:55 amIslip Long Island
12h 00m
2 stops
LAS2:55 pmLas Vegas Harry Reid Intl
Jan 19
LAS11:15 pmLas Vegas Harry Reid Intl
9h 40m
2 stops
ISP11:55 amIslip Long Island
$783
Southwest
Jan 12
ISP12:40 pmIslip Long Island
8h 55m
1 stop
LAS6:35 pmLas Vegas Harry Reid Intl
Jan 19
LAS6:35 amLas Vegas Harry Reid Intl
7h 00m
1 stop
ISP4:35 pmIslip Long Island
$987

momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York 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, momondo users made 832,500 searches. Data last updated enero 8, 2026.
Use the filters below to find and compare flights from Islip, New York to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

sáb. 2/28

12:01 pm-10:15 am

1 stop25h 14m

Las Vegas Harry Reid Intl

mié. 3/4

11:03 pm-2:39 pm

1 stop12h 36m

$145

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

sáb. 2/28

8:23 pm-10:15 am

1 stop16h 52m

Las Vegas Harry Reid Intl

lun. 3/2

11:03 pm-8:40 am

1 stop30h 37m

$165

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

dom. 2/22

8:33 am-11:11 am

1 stop29h 38m

Las Vegas Harry Reid Intl

jue. 2/26

11:03 pm-2:39 pm

1 stop12h 36m

$178

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

lun. 2/23

8:23 am-10:15 am

1 stop28h 52m

Las Vegas Harry Reid Intl

mié. 3/4

11:03 pm-2:39 pm

1 stop12h 36m

$186

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

sáb. 2/21

8:23 pm-10:15 am

1 stop16h 52m

Las Vegas Harry Reid Intl

lun. 2/23

11:03 pm-8:40 am

1 stop30h 37m

$201

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

jue. 2/26

3:34 pm-10:15 am

1 stop21h 41m

Las Vegas Harry Reid Intl

sáb. 2/28

11:03 pm-5:01 pm

1 stop14h 58m

$202

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

lun. 2/23

8:23 am-10:15 am

1 stop28h 52m

Las Vegas Harry Reid Intl

vie. 2/27

11:03 pm-7:28 pm

1 stop17h 25m

$211

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

vie. 2/27

8:33 am-10:31 am

1 stop28h 58m

Las Vegas Harry Reid Intl

lun. 3/2

11:03 pm-8:40 am

1 stop30h 37m

$216

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

lun. 3/9

1:22 pm-10:49 pm

1 stop12h 27m

Las Vegas Harry Reid Intl

jue. 3/12

11:59 pm-12:47 pm

1 stop9h 48m

$219

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

lun. 3/23

1:22 pm-11:55 am

1 stop25h 33m

Las Vegas Harry Reid Intl

jue. 3/26

1:36 pm-12:47 pm

1 stop20h 11m

$221

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 Las Vegas from

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

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 month to fly to Las Vegas?

The month of January is, on average, the cheapest month to fly to Las Vegas from Islip, New York, with most prices found around $366. The month of August is another great option to travel to Las Vegas, with average flight prices from Islip, New York averaging around $398.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Tuesday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $287. Flights from Islip, New York to Las Vegas on a Thursday will generally be more expensive and average around $369. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is in the morning when flights can be purchased for as low as $317. Flights to Las Vegas are more costly at noon, with an average ticket price of $366. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Islip, New York to Las Vegas flights?

You could potentially save up to 2% on your flight if you consider stops on a Islip, New York to Las Vegas flight.

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

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

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

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

Fastest flight time

7h 45m

Direct flights

None
The fastest flight from Islip, New York to Las Vegas takes 7h 45m
There are no direct flights from Islip, New York to Las Vegas. There are no popular flight routes from Islip, New York to Las Vegas.
Search flight deals

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

    A flight from Islip Long Island to Las Vegas Harry Reid Intl will travel around 2267.0 mi. 7h 45m is a normal flight duration for this route.

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

    Prices for flights from Islip Long Island Airport to Las Vegas Harry Reid Intl Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Islip Long Island Airport to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The necessary travel and health documents for your Las Vegas Harry Reid Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Islip, New York to Las Vegas

Compare and see reviews for airlines that fly from Islip, New York to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $150Free CancellationRating
5.7
3,061 reviews
Search Frontier flights
JetBluePriceFrom $169Free CancellationRating
7.2
2,893 reviews
Search JetBlue flights
SouthwestPriceFrom $380Free CancellationRating
8.0
4,250 reviews
Search Southwest flights

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Mount Charleston
Henderson
Paradise
Mesquite
North Las Vegas
Kingman
Pahrump
Primm
Furnace Creek
Sunrise Manor
Boulder City
Winchester
Needles

Why use momondo?

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

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

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

Yes. All flights to Las Vegas from Islip on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Islip to Las Vegas flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Islip to Las Vegas 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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sáb. 2/7
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