$109 Flights from Islip (ISP) to Harry Reid (LAS)

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Flight deals from Islip to Harry Reid

Looking for a cheap last-minute deal or the best round-trip flight from Islip Airport to Harry Reid Airport? If you want to travel next month, round-trip fares start from $228. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Islip to Harry Reid from $109 one-way

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Islip to Harry Reid flights are currently cheapest in June.

Islip to Las Vegas: Flight information

The things to know before you go.
Cheapest flight found$109
Cheapest month to flyJune

Finding cheap flights from Islip to Harry Reid: Frequently asked questions

The best price we found for a round-trip flight from Islip to Harry Reid is $222. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Islip to Harry Reid. But we found flights with one or more stops from $222.
There are no flights flying from Islip to Harry Reid, as of May 2026.
The cheapest month to fly from Islip to Harry Reid is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Islip Airport to Harry Reid Airport on Saturday, August 15, 2026.
No airlines currently offer direct flights between Islip Airport and Harry Reid Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Harry Reid but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Las Vegas is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Harry Reid.

Flying from Long Island MacArthur Airport (ISP) to Harry Reid Airport (formerly McCarran Airport) (LAS): what you need to know

  • Las Vegas's timezone is UTC-7, which makes Las Vegas three hours behind Islip.

  • Leave plenty of time to make your ISP to LAS flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak time like August? School holidays and other high seasons can mean longer queues and delays at check-in and security. Be extra cautious and get there up to four hours ahead of an international flight and two hours before a domestic departure.

  • Think about adding a stopover when booking your ticket from Long Island MacArthur Airport to Harry Reid Airport (formerly McCarran Airport). Just uncheck 'Direct flights only' to break up your trip, or maybe even explore a new city along the way. Here are some options between ISP and LAS:

    • Baltimore/Wash International Thurgood Marshall Airport

    • Hartsfield-Jackson Atlanta International Airport

    • Raleigh-Durham International Airport

How to find the cheapest flights from Long Island MacArthur Airport (ISP) to Harry Reid Airport (formerly McCarran Airport) (LAS)

  • $109 is currently the best price for a one-way Long Island MacArthur Airport to Harry Reid Airport (formerly McCarran Airport) flight. Return flights start from $222. These prices can change based on demand and availability.

  • It's often best to book in advance if you're hoping to get cheap tickets from ISP to LAS. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.

  • The 'Whole month' search function shows you the cheapest flights from Long Island MacArthur Airport to Harry Reid Airport (formerly McCarran Airport) throughout the entire month. It's a good way to snap up a bargain if your travel plans aren't set in stone.

  • Snapping up cheap flights from ISP to LAS is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch when a lower fare pops up.

  • Select your ideal departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Long Island MacArthur Airport to Harry Reid Airport (formerly McCarran Airport).

Handy information about Long Island MacArthur Airport (ISP)

  • ISP's address is 100 Arrivals Avenue.

  • When it comes to the on-time performance of Long Island MacArthur Airport, data shows 77.45% of flights meet their scheduled arrival time.

  • To get to Long Island MacArthur Airport from central Islip, it'll take about 15 minutes if you're planning to drive. Of course, this depends on traffic. It's approximately 10 miles from the airport to the city center.

  • You can expect a journey time of around 1 hour 10 minutes when using public transport.

  • Looking for a handy hotel near ISP? If you're boarding an early flight from Long Island MacArthur Airport to Harry Reid Airport (formerly McCarran Airport), these stays will have you moments from your departure lounge:

Arriving at Harry Reid Airport (formerly McCarran Airport) (LAS)

Getting from Harry Reid Airport (formerly McCarran Airport) (LAS) to central Las Vegas

  • LAS is located at 5757 Wayne Newton Boulevard.

  • Harry Reid Airport (formerly McCarran Airport) to the center of Las Vegas has a drive time of around 15 minutes. It's approximately 12 miles away.

  • When traveling on public transport, expect a journey time of around 1 hour.

When to fly to Harry Reid Airport (formerly McCarran Airport) (LAS)

  • The quietest month for a flight from Long Island MacArthur Airport to Harry Reid Airport (formerly McCarran Airport) is May, while October is the busiest. Choose the ideal time to go to Las Vegas based on whether you prefer a more fast-paced or easygoing experience.

  • The warmest month in Las Vegas is July, with the temperature ranging between 73ºF and 108ºF. Book your flights from Long Island MacArthur Airport to Harry Reid Airport (formerly McCarran Airport) in this month if you enjoy this type of weather.

  • January has average temperatures of between 30ºF and 55ºF. Look for cheap tickets from ISP to LAS sometime around then if you want to travel when it's cooler.

Explore more of United States

  • Las Vegas is always a good idea, but there are so many other parts of United States waiting to be discovered. About 230 miles south-west of Las Vegas, a visit to Los Angeles will keep your itinerary busy. Start with attractions like Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • If you're looking to explore another well-known destination in United States, consider Phoenix, roughly 260 miles south-east of Las Vegas. Desert Botanical Garden, Heard Museum and Papago Park are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.