ISP - LAS

$182 Find Cheap Flights from Islip to Las Vegas - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$368
Typical prices: $462-$668
Southwest
Sun 1/7Thu 1/11
ISP - LAS • 1 stop
Cheapest one-way
$182
Typical prices: $233-$288
Southwest
Fri 12/14
ISP - LAS • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Islip and Las Vegas. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
August
Cheapest • 66% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Orlando (MCO)
Cheapest • Avg $268 (round-trip)
Baltimore/Washington (BWI)
Shortest trip • 8h 05m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Islip to Las Vegas (ISP-LAS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Islip to Las Vegas

Thu, Jan 7 - Mon, Jan 11
Southwest Logo
5:45 am - 12:55 pmISP  Islip Long Island-LAS Las Vegas Harry Reid Intl
10h 10m1 stop Baltimore/Washington
Southwest Logo
9:50 am - 9:30 pmLAS  Las Vegas Harry Reid Intl-ISP Islip Long Island
8h 40m2 stops San Diego Baltimore/Washington
$368Southwest
Thu, Jan 7 - Mon, Jan 11
Southwest Logo
5:45 am - 12:55 pmISP  Islip Long Island-LAS Las Vegas Harry Reid Intl
10h 10m1 stop Baltimore/Washington
Southwest Logo
10:25 pm - 11:55 amLAS  Las Vegas Harry Reid Intl-ISP Islip Long Island
10h 30m1 stop Baltimore/Washington
$369Southwest
Mon, Oct 19 - Thu, Oct 22
Frontier Logo
6:55 pm - 10:52 pmISP  Islip Long Island-LAS Las Vegas Harry Reid Intl
30h 57m2 stops Orlando Atlanta Hartsfield-Jackson
Frontier Logo
9:53 pm - 6:00 pmLAS  Las Vegas Harry Reid Intl-ISP Islip Long Island
17h 07m2 stops Atlanta Hartsfield-Jackson Orlando
$377Frontier
Fri, Oct 23 - Thu, Oct 29
Frontier Logo
6:55 pm - 3:14 pmISP  Islip Long Island-LAS Las Vegas Harry Reid Intl
23h 19m1 stop Orlando
Frontier Logo
9:43 pm - 5:56 pmLAS  Las Vegas Harry Reid Intl-ISP Islip Long Island
17h 13m2 stops Atlanta Hartsfield-Jackson Orlando
$378Frontier
Mon, Oct 19 - Thu, Oct 22
Multiple Airlines Logo
6:55 pm - 3:14 pmISP  Islip Long Island-LAS Las Vegas Harry Reid Intl
23h 19m1 stop Orlando
Multiple Airlines Logo
11:25 pm - 2:22 pmLAS  Las Vegas Harry Reid Intl-ISP Islip Long Island
11h 57m2 stops New Orleans Louis Armstrong Raleigh-Durham
$382Multiple Airlines
Mon, Oct 19 - Thu, Oct 22
Frontier Logo
6:55 pm - 10:52 pmISP  Islip Long Island-LAS Las Vegas Harry Reid Intl
30h 57m2 stops Orlando Atlanta Hartsfield-Jackson
Frontier Logo
9:53 pm - 6:00 pmLAS  Las Vegas Harry Reid Intl-ISP Islip Long Island
17h 07m2 stops Atlanta Hartsfield-Jackson Orlando
$384Frontier
Fri, Oct 23 - Thu, Oct 29
Southwest Logo
3:10 pm - 9:35 pmISP  Islip Long Island-LAS Las Vegas Harry Reid Intl
9h 25m1 stop Baltimore/Washington
Southwest Logo
10:50 pm - 10:20 amLAS  Las Vegas Harry Reid Intl-ISP Islip Long Island
8h 30m1 stop Orlando
$385Southwest
Mon, Oct 19 - Thu, Oct 22
Multiple Airlines Logo
6:55 pm - 3:14 pmISP  Islip Long Island-LAS Las Vegas Harry Reid Intl
23h 19m1 stop Orlando
Multiple Airlines Logo
11:25 pm - 2:22 pmLAS  Las Vegas Harry Reid Intl-ISP Islip Long Island
11h 57m2 stops New Orleans Louis Armstrong Raleigh-Durham
$387Multiple Airlines
Fri, Oct 30 - Mon, Nov 2
Southwest Logo
3:10 pm - 9:35 pmISP  Islip Long Island-LAS Las Vegas Harry Reid Intl
9h 25m1 stop Baltimore/Washington
Southwest Logo
11:35 pm - 11:45 amLAS  Las Vegas Harry Reid Intl-ISP Islip Long Island
9h 10m2 stops Nashville Intl Baltimore/Washington
$391Southwest
Mon, Dec 7 - Mon, Dec 14
Multiple Airlines Logo
9:56 am - 10:04 pmISP  Islip Long Island-LAS Las Vegas Harry Reid Intl
15h 08m1 stop Orlando
Multiple Airlines Logo
11:30 pm - 12:58 pmLAS  Las Vegas Harry Reid Intl-ISP Islip Long Island
10h 28m2 stops Orlando Wilmington New Hanover County
$409Multiple Airlines
Booking Insights

Price, demand and travel trends for Islip to Las Vegas flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Islip to Las Vegas with more confidence.

How much is a round-trip flight from Islip to Las Vegas?

Round-trip flights from Islip to Las Vegas start at $368. Prices are below average for this route right now, with typical round-trip fares ranging from $462 to $668. The lowest price found in the past 5 days was $368 on Southwest.

What's the cheapest day of the week to fly from Islip to Las Vegas?

Saturday is the cheapest day of the week to fly from Islip to Las Vegas, it is 35% cheaper than the average day. Sunday is the most expensive day with flight prices 54% higher than average. Based on deals found by KAYAK users in the last 12 months.

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Key details for Islip to Las Vegas flights

Low season

October

Cheapest flight

$182
Flight from Islip to Las Vegas

When to book flights from Islip to Las Vegas

Are your dates flexible? Find out the best times to travel from Islip to Las Vegas based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Islip to Las Vegas flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Islip to Las Vegas?

    Flights from Islip to Las Vegas usually depart from Islip Long Island (ISP) and arrive at Las Vegas Harry Reid Intl (LAS).

  • What cabin classes can I book on flights from Islip to Las Vegas?

    Only Economy Class is available on flights from Islip to Las Vegas.

  • Which airports do connecting flights from Islip to Las Vegas pass through?

    One-stop flights from Islip to Las Vegas most commonly connect through:

    • Baltimore/Washington (BWI) - 83% of one-stop connections
    • Orlando (MCO) - 10% of one-stop connections
    • Fort Lauderdale (FLL) - 5% of one-stop connections
    • Tampa (TPA) - 2% of one-stop connections

    Baltimore/Washington (BWI) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Islip to Las Vegas?

    On the Islip to Las Vegas route, being flexible with your departure day can save you up to 58%. Saturday is the cheapest day at $370 round-trip on average, while Sunday is the most expensive at $874: a $504 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What popular places can I visit in Las Vegas?

    Some of the most popular sights in Las Vegas are Fremont Street Experience, Las Vegas Convention Center and Wynn Las Vegas. These are among the most viewed places in Las Vegas on KAYAK.

  • How long is a flight from Islip to Las Vegas?

    A nonstop flight from Islip to Las Vegas takes 0h 00m, covering 2,275 miles.

  • Do I need a passport to fly from Islip to Las Vegas?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Islip to Las Vegas changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $368 to $2,349. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from Islip to Las Vegas looking right now?

    One-way fares from Islip to Las Vegas are currently lower than usual. Average one-way flight prices are about $237, which is 9% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Islip to Las Vegas?

    Flying via Baltimore/Washington (BWI) gives the shortest average 1-stop total travel time at 8h 05m, compared with 9h 45m via Fort Lauderdale (FLL) and 14h 41m via Orlando (MCO).

  • What is the time difference between Islip and Las Vegas?

    Las Vegas is 3 hours behind Islip (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Las Vegas Harry Reid Intl Airport (LAS)?

    Las Vegas Harry Reid Intl Airport (LAS) hosts 5 major car rental companies, with daily rates starting from around $8 for economy cars. Top options include:
    • Easirent
    • Ace
    • Fox
    • Dollar
    • Thrifty

  • How much should I expect to pay for a Islip to Las Vegas flight?

    Round-trip flights from Islip to Las Vegas range from $462 to $668, with an average of $566 over the past 12 months. Anything below $462 counts as a good deal.

Your guide to booking Islip to Las Vegas flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Saturday departure instead of Sunday. On this route, Saturday flights average $370 - about $504 less than Sunday (58% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Islip to Las Vegas trip for August. Fares historically average $194 round-trip in that month - typically $646 less than the most expensive month, which is April (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Las Vegas Harry Reid Intl Airport.
    - Four Seasons Hotel Las Vegas
    - The Reserve at Park MGM
    - The Signature at MGM Grand (All Suites)

More options for your flight from Islip to Las Vegas

Complete your trip to Las Vegas with a hotel stay or car rental

Car rentals in Las Vegas
Hotels in Las Vegas
Vacations in Las Vegas