Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Islip, New York to Las Vegas from $65

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 11/20. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
4:58 pm - 10:07 amISP-LAS
20h 09m1 stop
Frontier Logo
11:02 pm - 10:37 amLAS-ISP
8h 35m1 stop
$130Frontier
Find Deal
lun., nov. 17 - mar., nov. 18
Frontier Logo
4:58 pm - 10:07 amISP-LAS
20h 09m1 stop
Frontier Logo
11:02 pm - 10:37 amLAS-ISP
8h 35m1 stop
$137Frontier
Find Deal
vie., nov. 14 - mar., nov. 18
Frontier Logo
4:58 pm - 10:07 amISP-LAS
20h 09m1 stop
Frontier Logo
3:59 pm - 9:07 amLAS-ISP
14h 08m1 stop
$139Frontier
Find Deal
lun., nov. 17 - mié., nov. 19
Frontier Logo
10:19 am - 9:43 amISP-LAS
26h 24m1 stop
Frontier Logo
10:20 pm - 9:13 amLAS-ISP
7h 53m1 stop
$144Frontier
Find Deal
sáb., dic. 6 - mié., dic. 10
Frontier Logo
6:37 pm - 10:07 amISP-LAS
18h 30m1 stop
Frontier Logo
3:59 pm - 9:07 amLAS-ISP
14h 08m1 stop
$150Frontier
Find Deal
jue., nov. 13 - mié., nov. 19
Frontier Logo
4:58 pm - 10:07 amISP-LAS
20h 09m1 stop
Frontier Logo
11:02 pm - 5:42 pmLAS-ISP
15h 40m1 stop
$176Frontier
Find Deal
lun., nov. 10 - lun., nov. 17
Frontier Logo
6:27 pm - 10:07 amISP-LAS
18h 40m1 stop
Frontier Logo
11:02 pm - 10:37 amLAS-ISP
8h 35m1 stop
$183Frontier
Find Deal
mar., nov. 11 - vie., nov. 14
Frontier Logo
6:37 pm - 10:07 amISP-LAS
18h 30m1 stop
Frontier Logo
11:02 pm - 5:42 pmLAS-ISP
15h 40m1 stop
$196Frontier
Find Deal
jue., nov. 13 - lun., nov. 17
Multiple Airlines Logo
11:03 am - 10:13 amISP-LAS
26h 10m1 stop
Multiple Airlines Logo
9:00 am - 9:13 amLAS-ISP
21h 13m2 stops
$228Multiple Airlines
Find Deal
mié., nov. 26 - mié., dic. 3
Multiple Airlines Logo
8:29 pm - 11:46 pmISP-LAS
30h 17m2 stops
Multiple Airlines Logo
3:54 pm - 5:55 pmLAS-ISP
23h 01m1 stop
$266Multiple Airlines
Find Deal
mar., dic. 16 - vie., dic. 26

Frontier flights from Islip, New York to Las Vegas

Our best Frontier deals on Islip, New York to Las Vegas flight tickets
Frontier
Nov 17
ISP4:58 pmIslip Long Island
20h 09m
1 stop
LAS10:07 amLas Vegas Harry Reid Intl
Nov 18
LAS11:02 pmLas Vegas Harry Reid Intl
8h 35m
1 stop
ISP10:37 amIslip Long Island
$130
Find similar
Frontier
Nov 14
ISP4:58 pmIslip Long Island
20h 09m
1 stop
LAS10:07 amLas Vegas Harry Reid Intl
Nov 18
LAS11:02 pmLas Vegas Harry Reid Intl
8h 35m
1 stop
ISP10:37 amIslip Long Island
$137
Find similar
Frontier
Nov 17
ISP4:58 pmIslip Long Island
20h 09m
1 stop
LAS10:07 amLas Vegas Harry Reid Intl
Nov 19
LAS3:59 pmLas Vegas Harry Reid Intl
14h 08m
1 stop
ISP9:07 amIslip Long Island
$139
Find similar

JetBlue flights from Islip, New York to Las Vegas

Our best JetBlue deals on Islip, New York to Las Vegas flight tickets
JetBlue
Nov 13
ISP1:45 pmIslip Long Island
10h 02m
1 stop
LAS8:47 pmLas Vegas Harry Reid Intl
Nov 17
LAS10:10 pmLas Vegas Harry Reid Intl
8h 45m
1 stop
ISP9:55 amIslip Long Island
$424
Find similar
JetBlue
Nov 13
ISP1:45 pmIslip Long Island
10h 02m
1 stop
LAS8:47 pmLas Vegas Harry Reid Intl
Nov 17
LAS10:10 pmLas Vegas Harry Reid Intl
8h 45m
1 stop
ISP9:55 amIslip Long Island
$426
Find similar
JetBlue
Nov 12
ISP1:15 pmIslip Long Island
10h 32m
1 stop
LAS8:47 pmLas Vegas Harry Reid Intl
Nov 17
LAS10:10 pmLas Vegas Harry Reid Intl
8h 45m
1 stop
ISP9:55 amIslip Long Island
$444
Find similar

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 octubre 30, 2025.
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

lun. 11/17

4:58 pm-10:07 am

1 stop20h 09m

Las Vegas Harry Reid Intl

mar. 11/18

11:02 pm-10:37 am

1 stop8h 35m

$130

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

vie. 11/14

4:58 pm-10:07 am

1 stop20h 09m

Las Vegas Harry Reid Intl

mar. 11/18

11:02 pm-10:37 am

1 stop8h 35m

$137

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

lun. 11/17

4:58 pm-10:07 am

1 stop20h 09m

Las Vegas Harry Reid Intl

mié. 11/19

3:59 pm-9:07 am

1 stop14h 08m

$139

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

sáb. 12/6

10:19 am-9:43 am

1 stop26h 24m

Las Vegas Harry Reid Intl

mié. 12/10

10:20 pm-9:13 am

1 stop7h 53m

$144

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

jue. 11/13

6:37 pm-10:07 am

1 stop18h 30m

Las Vegas Harry Reid Intl

mié. 11/19

3:59 pm-9:07 am

1 stop14h 08m

$150

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

lun. 11/10

4:58 pm-10:07 am

1 stop20h 09m

Las Vegas Harry Reid Intl

lun. 11/17

11:02 pm-5:42 pm

1 stop15h 40m

$176

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

mar. 11/11

6:27 pm-10:07 am

1 stop18h 40m

Las Vegas Harry Reid Intl

vie. 11/14

11:02 pm-10:37 am

1 stop8h 35m

$183

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

jue. 11/13

6:37 pm-10:07 am

1 stop18h 30m

Las Vegas Harry Reid Intl

lun. 11/17

11:02 pm-5:42 pm

1 stop15h 40m

$196

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

mié. 11/26

11:03 am-10:13 am

1 stop26h 10m

Las Vegas Harry Reid Intl

mié. 12/3

9:00 am-9:13 am

2 stops21h 13m

$228

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

mar. 12/16

8:29 pm-11:46 pm

2 stops30h 17m

Las Vegas Harry Reid Intl

vie. 12/26

3:54 pm-5:55 pm

1 stop23h 01m

$266

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $370. The month of October is another great option to travel to Las Vegas, with average flight prices from Islip, New York averaging around $393.

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 $290. Flights from Islip, New York to Las Vegas on a Thursday will generally be more expensive and average around $366. 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 $319. Flights to Las Vegas are more costly at noon, with an average ticket price of $372. 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 38% 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

Direct flights

None
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. 11h 06m 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
5.8
3,123 reviews
Search Frontier flights
JetBluePriceFrom $169Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
SouthwestPriceFrom $380Free CancellationRating
8.0
4,242 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
Mesquite
Paradise
North Las Vegas
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Sunrise Manor
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.

An easier way to manage your Las Vegas trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
sáb. 11/29
sáb. 12/6
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States