What is the cheapest airline to fly from Islip to Las Vegas round-trip?

Frontier, at $245, was found to be the cheapest airline from Islip to Las Vegas.. You may be able to fly from Islip to Las Vegas for 39% less than the average price by searching for this airline.

What are the most popular airlines that fly from Islip to Las Vegas?

American Airlines, JetBlue and Delta are the most popular airlines when flying from Islip to Las Vegas.

Can I find flights from Islip to Las Vegas for under $300 on Cheapflights?

Yes, there are multiple flights from Islip to Las Vegas for under $300. The cheapest flight booked recently is on Frontier for just $245, but on average you can expect to pay $283.

Which airlines flying from Islip Long Island to Las Vegas Harry Reid Intl have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Islip Long Island to Las Vegas Harry Reid Intl that may be offering flexible cancellation policies are Frontier, Linear Air Taxi, and JetBlue. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

What is the cheapest day to fly round-trip from Islip to Las Vegas?

Users have found that flying from Islip to Las Vegas on a Wednesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from Islip to Las Vegas?

January can be a great time to fly to Las Vegas from Islip with a flight ticket averaging about $397. Cheapflights users have found deals in the month of January for as cheap as $189. The most expensive prices can be found in the month of June.

When is the cheapest time to fly from Islip to Las Vegas (ISP - LAS)?

When flying from Islip to Las Vegas, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 99% versus a flight at noon.

What does ISP to LAS mean?

Islip Long Island Airport is ISP and Las Vegas Harry Reid Intl Airport is LAS. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

Flights from Islip, NY to Las Vegas, NV from $147

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

ISP — LAS

Jun 11 — Jun 181

Round-tripOne-way

1 adult, Economy

We work with more than 300 partners to bring you better travel deals

The best prices from Islip Long Island to Las Vegas Harry Reid Intl are usually found in January or October, booked 13 days in advance, depart on a Monday or Thursday and return on a Monday

How to find the cheapest flight from Islip (ISP) to Las Vegas (LAS)

Popular in	July
Cheapest in	January
Round-trip from	$159
One-way from	$147

High demand for flights, 27% potential price rise

Search Deals

Best time to find cheap flights, 46% potential price drop

Search Deals

From Islip Long Island to Las Vegas Harry Reid Intl

Search Deals

One-way flight from Islip Long Island to Las Vegas Harry Reid Intl

Search Deals

ISP - LAS Price	$159 - $327
LAS Temperature	48.2 - 93.2 °F
LAS Rainfall	0.1 - 0.8 inches

ISP - LAS

Price

$159 - $327

LAS

Temperature

48.2 - 93.2 °F

LAS

Rainfall

0.1 - 0.8 inches

Travelers have found it’s best to book a flight 61 days in advance to save up to 20% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Islip to Las Vegas 1-2 weeks in advance for as low as $418, or $478 for flights within the next 24 hours.

Cheap flights from Islip to Las Vegas in June, July 2023

Jun 20 - Jun 21

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

9h 53m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

1 stop

9h 52m

$245

Frontier

Deal found 6/5

Jun 20 - Jun 21

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

2 stops

12h 12m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

1 stop

13h 49m

$272

Multiple Airlines

Deal found 6/5

Jul 14 - Jul 19

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

20h 06m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

1 stop

9h 47m

$278

Multiple Airlines

Deal found 6/5

Jul 14 - Jul 19

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

20h 06m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

2 stops

15h 48m

$285

Multiple Airlines

Deal found 6/5

Jul 5 - Jul 12

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

18h 26m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

1 stop

9h 47m

$291

Multiple Airlines

Deal found 6/5

Jul 5 - Jul 12

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

18h 26m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

1 stop

9h 47m

$292

Multiple Airlines

Deal found 6/5

Jul 5 - Jul 12

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

18h 26m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

2 stops

12h 33m

$303

Frontier

Deal found 6/5

Jul 5 - Jul 11

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

18h 26m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

1 stop

11h 10m

$304

Frontier

Deal found 6/5

Jul 5 - Jul 11

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

18h 26m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

1 stop

11h 10m

$305

Frontier

Deal found 6/5

Islip to Las Vegas 2023 flight deals

Jun 20 - Jun 21

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

9h 53m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

1 stop

9h 52m

$245

Frontier

Deal found 6/5

Jun 20 - Jun 21

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

2 stops

12h 12m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

1 stop

13h 49m

$272

Multiple Airlines

Deal found 6/5

Jul 14 - Jul 19

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

20h 06m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

1 stop

9h 47m

$278

Multiple Airlines

Deal found 6/5

Jul 14 - Jul 19

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

20h 06m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

2 stops

15h 48m

$285

Multiple Airlines

Deal found 6/5

Jul 5 - Jul 12

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

18h 26m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

1 stop

9h 47m

$291

Multiple Airlines

Deal found 6/5

Jul 5 - Jul 12

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

18h 26m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

1 stop

9h 47m

$292

Multiple Airlines

Deal found 6/5

Jul 5 - Jul 12

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

18h 26m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

2 stops

12h 33m

$303

Frontier

Deal found 6/5

Jul 5 - Jul 11

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

18h 26m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

1 stop

11h 10m

$304

Frontier

Deal found 6/5

Jul 5 - Jul 11

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

18h 26m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

1 stop

11h 10m

$305

Frontier

Deal found 6/5

Cheap Frontier flights from Islip to Las Vegas

Jun 20 - Jun 21

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

9h 53m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

1 stop

9h 52m

$245

Frontier

Deal found 6/5

Jun 21 - Jun 22

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

12h 03m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

1 stop

11h 02m

$268

Frontier

Deal found 6/6

Jul 5 - Jul 12

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

18h 26m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

2 stops

12h 33m

$303

Frontier

Deal found 6/5

Jul 5 - Jul 11

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

18h 26m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

1 stop

11h 10m

$304

Frontier

Deal found 6/5

Jul 5 - Jul 11

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

18h 26m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

1 stop

11h 10m

$305

Frontier

Deal found 6/5

Jun 17 - Jun 18

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

11h 53m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

1 stop

8h 25m

$315

Frontier

Deal found 6/6

Oct 25 - Oct 29

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

8h 47m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

2 stops

17h 29m

$316

Frontier

Deal found 6/6

Aug 24 - Aug 26

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

9h 32m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

1 stop

21h 38m

$323

Frontier

Deal found 6/5

Oct 16 - Oct 22

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

8h 47m

LAS

Las Vegas Harry Reid Intl

ISP

Islip Long Island

1 stop

10h 37m

$325

Frontier

Deal found 6/6

One-way flights to Las Vegas from Islip

Jun 18

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

17h 43m

$147

Frontier

Deal found 6/5

Nov 14

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

14h 17m

$150

Frontier

Deal found 6/6

Jul 3

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

2 stops

16h 01m

$200

Multiple Airlines

Deal found 6/5

Nov 14

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

2 stops

28h 25m

$210

Frontier

Deal found 6/6

Jul 28

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

2 stops

43h 09m

$212

Multiple Airlines

Deal found 6/5

Jul 23

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

2 stops

31h 33m

$213

Frontier

Deal found 6/5

Jul 28

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

3 stops

44h 59m

$214

Multiple Airlines

Deal found 6/5

Jul 23

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

1 stop

31h 59m

$216

Frontier

Deal found 6/5

Jun 18

ISP

Islip Long Island

LAS

Las Vegas Harry Reid Intl

2 stops

16h 17m

$217

Frontier

Deal found 6/5

Find flights from Islip to Las Vegas within your budget

Fly from

Fly to

Budget

$245 - $304

Route

Depart

Return

Price

Islip Long IslandLas Vegas Harry Reid Intl

ISP - LAS

ISPLAS

Islip Long Island

Tue 6/20

1 stop9h 53m

Las Vegas Harry Reid Intl

Wed 6/21

1 stop9h 52m

$245

Pick Dates

Islip Long IslandLas Vegas Harry Reid Intl

ISP - LAS

ISPLAS

Islip Long Island

Wed 6/21

1 stop20h 54m

Las Vegas Harry Reid Intl

Fri 6/23

1 stop12h 21m

$257

Pick Dates

Islip Long IslandLas Vegas Harry Reid Intl

ISP - LAS

ISPLAS

Islip Long Island

Tue 7/4

1 stop21h 54m

Las Vegas Harry Reid Intl

Tue 7/11

1 stop14h 10m

$261

Pick Dates

Islip Long IslandLas Vegas Harry Reid Intl

ISP - LAS

ISPLAS

Islip Long Island

Tue 7/4

1 stop21h 54m

Las Vegas Harry Reid Intl

Tue 7/11

2 stops15h 54m

$265

Pick Dates

Islip Long IslandLas Vegas Harry Reid Intl

ISP - LAS

ISPLAS

Islip Long Island

Wed 6/21

1 stop12h 03m

Las Vegas Harry Reid Intl

Thu 6/22

1 stop11h 02m

$268

Pick Dates

Islip Long IslandLas Vegas Harry Reid Intl

ISP - LAS

ISPLAS

Islip Long Island

Tue 7/25

1 stop19h 45m

Las Vegas Harry Reid Intl

Tue 8/1

1 stop21h 07m

$270

Pick Dates

Islip Long IslandLas Vegas Harry Reid Intl

ISP - LAS

ISPLAS

Islip Long Island

Tue 6/20

2 stops12h 12m

Las Vegas Harry Reid Intl

Wed 6/21

1 stop13h 49m

$272

Pick Dates

Islip Long IslandLas Vegas Harry Reid Intl

ISP - LAS

ISPLAS

Islip Long Island

Wed 7/5

1 stop18h 26m

Las Vegas Harry Reid Intl

Wed 7/12

2 stops12h 33m

$303

Pick Dates

Islip Long IslandLas Vegas Harry Reid Intl

ISP - LAS

ISPLAS

Islip Long Island

Wed 7/5

1 stop18h 26m

Las Vegas Harry Reid Intl

Tue 7/11

1 stop11h 10m

$304

Pick Dates

Flights are sorted by cheapest first

Deals found on 6/5

Reviews of airlines servicing Las Vegas

Frontier

5.9

Fair

682 reviews

Check prices

Reviews

1 / 10

Left 3.5 hours late. Waited 30 minutes for a replacement flight attendant then Sat for 3 hours in a hot plane waiting for them to fix it. Would never fly them again.

Frontier

5.9

Fair

682 reviews

Frontier

5.9

Fair

682 reviews

Check prices

Reviews

1 / 10

Left 3.5 hours late. Waited 30 minutes for a replacement flight attendant then Sat for 3 hours in a hot plane waiting for them to fix it. Would never fly them again.

Related info for your journey

Alternative routes for Islip to Las Vegas

Syracuse to Las Vegasfrom $80 pp

Top 6 airlines flying from Islip to Las Vegas

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
Frontier	Cheapest$161	Average$264	FlexibilityNo cancel fee	On-time62%	COVID-19 safety	Search Frontier flights
Breeze Airways	Cheapest$198	Average$238	FlexibilityNo cancel fee	On-timeN/A	COVID-19 safety	Search Breeze Airways flights
Delta	Cheapest$301	Average$528	FlexibilityNo cancel fee	On-timeN/A	COVID-19 safety	Search Delta flights
JetBlue	Cheapest$352	Average$442	FlexibilityNo cancel fee	On-time62%	COVID-19 safety	Search JetBlue flights
American Airlines	Cheapest$355	Average$405	FlexibilityNo cancel fee	On-time71%	COVID-19 safety	Search American Airlines flights
Linear Air Taxi	Cheapest$43,344	Average$86,679	FlexibilityNo cancel fee	On-timeN/A	COVID-19 safety	Search Linear Air Taxi flights

New York to Punta Cana flights

Dallas to Atlanta flights

Boston to Newark Airport flights

USA to Fiji flights

Las Vegas to Reno flights

Las Vegas to Los Angeles flights

Denver to Houston flights

Las Vegas to Phoenix flights

Dallas to Cancún flights

Los Angeles to New Orleans flights

Miami to Orlando flights

Islip to Los Angeles flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Islip to Las Vegas (ISP - LAS) from $147

This is the cheapest one-way flight price, found on 6/5. Prices may vary by date and flight preferences.

The best prices from Islip Long Island to Las Vegas Harry Reid Intl are usually found in January or October, booked 13 days in advance, depart on a Monday or Thursday and return on a Monday

How to find the cheapest flight from Islip (ISP) to Las Vegas (LAS)

All the information you need to plan the best ISP to LAS flight in 2023: compare Islip to Las Vegas flight prices with the expected peak season, weather and rainfall in Las Vegas.

Popular in

Cheapest in

Round-trip from

One-way from

What is the cheapest day to fly round-trip from Islip to Las Vegas?

How far in advance should I book a flight from Islip to Las Vegas?

What is the cheapest month to fly from Islip to Las Vegas?

When is the cheapest time to fly from Islip to Las Vegas (ISP - LAS)?

Cheap flights from Islip to Las Vegas in June, July 2023

The best prices found for ISP to LAS flights for June, July

Islip to Las Vegas 2023 flight deals

Cheap flights to Las Vegas from Islip found for this year

Cheap Frontier flights from Islip to Las Vegas

One-way flights to Las Vegas from Islip

The cheapest one-way flights from Islip to Las Vegas

Find flights from Islip to Las Vegas within your budget

Use the slider to find flights from Islip to Las Vegas that fit your budget.

Reviews of airlines servicing Las Vegas

Related info for your journey

Useful info, stats and facts about Islip to Las Vegas flights.

Which airlines flying from Islip Long Island to Las Vegas Harry Reid Intl have flexible cancellations due to COVID-19?

Can I find flights from Islip to Las Vegas for under $300 on Cheapflights?

What is the cheapest airline to fly from Islip to Las Vegas round-trip?

What are the most popular airlines that fly from Islip to Las Vegas?

What does ISP to LAS mean?

Other flights from Islip

Other flights to Las Vegas

Flights to Las Vegas from Islip

Rent a Car

Alternative routes for Islip to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Islip to Las Vegas

The chart below displays the airlines Cheapflights users traveling from Islip to Las Vegas choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Popular flight searches

Check out other popular destinations found by fellow travelers in 2023

100% Free

Book with Flexibility

Travel Smart