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320 € Cheap Flights from Islip to Las Vegas

Compare Islip to Las Vegas flight deals

Find the cheapest month or even day of the year to fly to Las Vegas

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Flight deals from Islip to Las Vegas

Looking for a cheap last-minute deal or the best return flight from Islip Airport to Las Vegas? If you want to travel next month, return fares start from 320 €. Find the lowest prices on one-way and return tickets right here.
Las Vegas.320 € per passenger.Departing Sat, 25 Jul, returning Tue, 28 Jul.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Islip on Sat, 25 Jul, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Tue, 28 Jul, arriving in Islip.Price includes taxes and charges.From 320 €, select.
Las Vegas.356 € per passenger.Departing Fri, 26 Jun, returning Tue, 30 Jun.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Islip on Fri, 26 Jun, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Tue, 30 Jun, arriving in Islip.Price includes taxes and charges.From 356 €, select.
Las Vegas.382 € per passenger.Departing Fri, 9 Oct, returning Wed, 14 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Islip on Fri, 9 Oct, arriving in Harry Reid International.Inbound indirect flight with Frontier Airlines, departs from Harry Reid International on Wed, 14 Oct, arriving in Islip.Price includes taxes and charges.From 382 €, select.
Las Vegas.401 € per passenger.Departing Fri, 13 Nov, returning Mon, 16 Nov.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Islip on Fri, 13 Nov, arriving in Harry Reid International.Inbound indirect flight with Southwest Airlines, departs from Harry Reid International on Mon, 16 Nov, arriving in Islip.Price includes taxes and charges.From 401 €, select.
Las Vegas.422 € per passenger.Departing Sun, 16 Aug, returning Sun, 23 Aug.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Islip on Sun, 16 Aug, arriving in Harry Reid International.Inbound indirect flight with Southwest Airlines, departs from Harry Reid International on Sun, 23 Aug, arriving in Islip.Price includes taxes and charges.From 422 €, select.

Find the cheapest month to fly from Islip to Las Vegas

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Islip to Las Vegas flights are currently cheapest in July.
Jun
from 356 €
Jul
from 320 €
Aug
from 422 €
Sep
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Oct
from 382 €
Nov
from 401 €
Dec
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Jan
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Feb
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Mar
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Apr
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May
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Alternative Islip to Las Vegas routes

Looking for the cheapest, fastest or easiest route from Islip to Las Vegas? You could fly into the following airports instead.

North Las Vegas

2km from central Las Vegas
Closest
Search flights

Harry Reid International

4km from central Las Vegas
Cheapest
from 320 €
Search flights

Henderson Executive

17km from central Las Vegas
Search flights

Boulder City Municipal

34km from central Las Vegas
Search flights

Islip to Las Vegas: Flight information

The things to know before you go.
Cheapest flight found320 €
Cheapest month to flyJuly

Finding cheap flights from Islip to Las Vegas: Frequently asked questions

There are 4 airports in Las Vegas: North Las Vegas, Harry Reid International, Henderson Executive, and Boulder City Municipal.
The best price we found for a return flight from Islip to Las Vegas is 320 €. 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 Las Vegas. But we found flights with one or more stops from 320 €.
As of June 2026, there are no flights flying from Islip to Las Vegas.
The cheapest month to fly from Islip to Las Vegas is usually July.
If you're flying from Islip Airport, the cheapest airport near Las Vegas is Harry Reid International – which is 4.3 km away from the centre of Las Vegas. We've found flights into this airport from 320 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Islip Airport to Las Vegas on Saturday, 25 July 2026.
No airlines currently offer direct flights between Islip Airport and Las Vegas. 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 Las Vegas 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.
In June, the average temperature is usually around 26°C. July is typically the warmest month in Las Vegas, when it usually averages around 37°C. You can expect the least rain in June. The coldest month is December, with temperatures averaging -0°C. The rainiest month is February.
Currently, Frontier Airlines offers the cheapest flight tickets to Las Vegas.

Flying from Long Island MacArthur Airport (ISP) to Las Vegas: what you need to know

  • Las Vegas is three hours behind Islip, where Long Island MacArthur Airport is located. Las Vegas observes the UTC-8 timezone.

  • To avoid missing your ISP to Las Vegas flight, leave plenty of time to check in and find your gate. Arriving two hours before international departures and an hour before domestic flights is the standard rule.

  • Travelling over a peak time such as February? Major public holidays and other popular periods can lead to longer queues and delays at check-in and security. Play things extra safe and arrive up to four hours before an international flight and two hours before domestic departures.

  • The journey from central Islip to ISP takes about 30 minutes by public transport. If you drive, ride-share or get a taxi, you'll cover the 11 kilometres in 10 minutes or so, depending on traffic conditions.

  • Want an easy start to your holiday? Stay near ISP. Whether you're boarding an early flight from Long Island MacArthur Airport to Las Vegas or just don't like being rushed, these hotels are a convenient choice:

  • When it comes to Long Island MacArthur Airport's on-time performance, 76% of flights stick to their scheduled arrival time.

  • ISP is located at 100 Arrivals Avenue.

How to find the cheapest flights from Long Island MacArthur Airport (ISP) to Las Vegas

  • The lowest price we've seen for a one-way Long Island MacArthur Airport to Las Vegas flight is 164 €. The cheapest price for a return flight is 320 €. Remember fares can change due to demand at the time of booking.

  • Don't leave things to the last moment. You're more likely to pick up cheap flights from ISP to Las Vegas if you book in advance. Airlines often have some great early bird rates.

  • If you have flexibility with your travel plans, take advantage of the 'Whole month' search tool. It'll give you the lowest price across each month when looking for your Long Island MacArthur Airport to Las Vegas ticket.

  • Save time looking for cheap flights from ISP to Las Vegas by setting up a Price Alert. You'll receive an email or push notification on the app when fares go down.

  • Tailor your flights with filters. Select your departure and arrival times, airlines and total journey duration. You can also sort results by 'Best,' 'Cheapest' or 'Fastest' flights from Long Island MacArthur Airport to Las Vegas.

Airports in Las Vegas

Las Vegas Harry Reid International Airport (LAS)

  • Las Vegas Harry Reid International Airport (LAS) is around 8 kilometres from the centre of Las Vegas. If you're catching a taxi or a ride-share, the drive takes roughly 10 minutes.

  • It'll take around 25 minutes if you're travelling by public transport.

  • If you're arriving on a late flight from Long Island MacArthur Airport to Las Vegas, few things beat the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and snoozing not long after at one of these hotels near LAS:

  • Secure the lowest price by reserving your vehicle from Las Vegas Harry Reid International Airport about one week in advance of your flight from ISP to Las Vegas.

  • The street address for LAS is 5757 Wayne Newton Boulevard.

Best time to go to Las Vegas

  • December is the quietest month for flights from Long Island MacArthur Airport to Las Vegas, while March is the most popular. Figure out the best time to visit Las Vegas based on whether you like a lively atmosphere or a more laid-back vibe.

  • The warmest month in Las Vegas is July, with temperatures ranging between 23ºC (73ºF) and 43ºC (109ºF). Lock in your Long Island MacArthur Airport to Las Vegas plane ticket then if that's your ideal forecast.

  • January sees average temperatures of between 0ºC (32ºF) and 16ºC (61ºF). Search for a cheap ticket from ISP to Las Vegas around that time if you like cooler conditions.

More about Las Vegas

  • After booking your flight from Long Island MacArthur Airport to Las Vegas, find a hotel that offers the right mix of comfort and location. Make one of these options your base for exploring Las Vegas:

  • There are so many things to discover in this city it can be tricky to work out where to start. Las Vegas Strip, Ciudad del Pecado o Las Vegas and Fountains of Bellagio are highlights which should be on any good Las Vegas itinerary.

Explore more of the United States

  • Los Angeles is just one of the many cities in the United States waiting to be explored once you've taken in the sights of Las Vegas. Around 370 kilometres away to the southwest, top sights here include Hollywood Sign, Universal Studios Hollywood and Hollywood Bowl.

  • If there's time to check out another major destination in the United States, consider Phoenix, about 418 kilometres southeast of Las Vegas. Camelback Mountain, Yayoi Kusama Fireflies Infinity Mirror Room and Heard Museum are highlights.

Plan the rest of your trip from Islip to Las Vegas

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.