ISP - LAX

$65 Find Cheap Flights from Islip to Los Angeles

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Islip to Los Angeles departing on 11/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Los Angeles

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Islip to Los Angeles, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Islip to Los Angeles, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$211
Overall average: $878
Frontier
Thu 11/20Mon 11/24
ISP - LAX • 1 stop
Cheapest one-way
$65
Typical prices: $290-$375
Frontier
Thu 11/20
ISP - LAX • 1 stop
Top airlines
Frontier
Cheapest • from $211 (round-trip)
Southwest
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to travel
April
Cheapest • 30% price drop
April
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Los Angeles!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Islip to Los Angeles (ISP-LAX)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Islip to Los Angeles that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Islip to Los Angeles

Thu, Nov 20 - Mon, Nov 24
Frontier Logo
10:02 am - 6:23 pmISP-LAX
11h 21m1 stop
Frontier Logo
11:15 pm - 8:14 pmLAX-ISP
17h 59m1 stop
$211Frontier
Find Deal
Wed, Nov 19 - Tue, Nov 25
Frontier Logo
4:58 pm - 6:23 pmISP-LAX
28h 25m1 stop
Frontier Logo
11:15 pm - 9:07 amLAX-ISP
30h 52m1 stop
$232Frontier
Find Deal
Thu, Nov 20 - Thu, Nov 27
Frontier Logo
10:02 am - 6:23 pmISP-LAX
11h 21m1 stop
Frontier Logo
11:15 pm - 10:37 amLAX-ISP
8h 22m1 stop
$243Frontier
Find Deal
Thu, Nov 20 - Thu, Nov 27
Frontier Logo
10:02 am - 1:26 pmISP-LAX
30h 24m2 stops
Frontier Logo
11:15 pm - 8:02 amLAX-ISP
29h 47m1 stop
$253Frontier
Find Deal
Thu, Nov 20 - Thu, Nov 27
Multiple Airlines Logo
10:02 am - 6:47 amISP-LAX
23h 45m2 stops
Multiple Airlines Logo
8:57 am - 10:37 amLAX-ISP
22h 40m2 stops
$284Multiple Airlines
Find Deal
Thu, Nov 20 - Thu, Nov 27
Multiple Airlines Logo
10:02 am - 6:23 pmISP-LAX
11h 21m1 stop
Multiple Airlines Logo
5:45 am - 10:37 amLAX-ISP
25h 52m2 stops
$288Multiple Airlines
Find Deal
Mon, Nov 17 - Tue, Nov 18
JetBlue Logo
1:55 pm - 11:00 pmISP-LAX
12h 05m1 stop
JetBlue Logo
11:00 pm - 12:18 pmLAX-ISP
10h 18m1 stop
$341JetBlue
Find Deal
Wed, Dec 10 - Sun, Dec 14
Southwest Logo
3:55 pm - 10:10 pmISP-LAX
9h 15m1 stop
Southwest Logo
11:25 am - 11:50 pmLAX-ISP
9h 25m1 stop
$403Southwest
Find Deal
Wed, Dec 10 - Sun, Dec 14
JetBlue Logo
11:50 am - 6:55 pmISP-LAX
10h 05m1 stop
JetBlue Logo
10:45 pm - 11:05 amLAX-ISP
9h 20m1 stop
$404JetBlue
Find Deal
Wed, Dec 10 - Sun, Dec 14
Southwest Logo
5:40 am - 2:25 pmISP-LAX
11h 45m2 stops
Southwest Logo
11:25 am - 11:50 pmLAX-ISP
9h 25m1 stop
$408Southwest
Find Deal
Booking Insights

KAYAK's insights & trends for Islip to Los Angeles flights

Get data-powered insights and trends into flights from Islip to Los Angeles to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Islip to Los Angeles?

The average price of all round-trip flights from Islip to Los Angeles clicked on KAYAK for each day over the last 12 months.

When flying from Islip to Los Angeles, you should consider leaving on a Thursday and avoid Tuesdays if you are looking for the best rates. For your return to Islip, you’ll find the best rates on Wednesdays and the most expensive ones on Thursdays.

What is the cheapest month to fly from Islip to Los Angeles?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Islip to Los Angeles, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Islip to Los Angeles is April, where tickets cost $350 (return) on average. On the other hand, the most expensive months are November and December, where the average cost of round-trip tickets is $878 and $678 respectively.

Good to know

Low seasonJuly
Cheapest flight$65
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly and prices are also 31% lower on average.
Flight from Islip to Los Angeles

When to book flights from Islip to Los Angeles

Are your dates flexible? Find out the best times to travel from Islip to Los Angeles based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Islip to Los Angeles

  • What is the cheapest flight from Islip to Los Angeles?

    In the last 3 days, the lowest price for a flight from Islip to Los Angeles was $65 for a one-way ticket and $211 for a round-trip.

  • Do I need a passport to fly between Islip and Los Angeles?

    No

  • Which airports will I be using when flying from Islip to Los Angeles?

    When flying out of Islip you will be using Islip Long Island. You will be landing at Los Angeles, also known as Los Angeles.

  • Which aircraft models fly most regularly from Islip to Los Angeles?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Islip to Los Angeles?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Islip to Los Angeles.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Islip to Los Angeles?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Los Angeles from Islip is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Islip to Los Angeles?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Los Angeles with an airline and back to Islip with another airline. Booking your flights between Islip and LAX can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Islip to Los Angeles?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Los Angeles from Islip up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Islip to Los Angeles

 
See real verified KAYAK customer reviews for airlines flying from Islip to Los Angeles. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Islip to Los Angeles? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4241 reviews
8.0Comfort
7.0Food
7.5Entertainment
8.1Boarding
8.6Crew
Airline reviews

Ever since Southwest starting charging for bags, passengers don't want to pay to check their bags, so the gate agents have to beg people to check their roller bags now because there's "not enough space". This was a terrible business move by Southwest.

8.0 ExcellentGreg, Oct 2025OAK - BUR
Read more Southwest reviews

Ever since Southwest starting charging for bags, passengers don't want to pay to check their bags, so the gate agents have to beg people to check their roller bags now because there's "not enough space". This was a terrible business move by Southwest.

Delays delays delays. Late taking off, late landing, wait for a gate, etc.

Connecting flight is on time and boarding was a breeze!

Very smooth checking in our luggage with a super pleasant SW agent. I enjoyed a fun entertaining movie.

First time traveling on Southwest since bag fees were implemented. Usual good service. Just more expensive now.

It was a perfect flight in all aspects! Both legs!

Boarding process, crew were good. But the seats were so uncomfortable that was all I could focus on. I literally had to sit forward so that all 3 of us could fit in row. I will try to avoid Southwest in the future for any flights over 60 minutes.

Great flight, 47 passengers on a 180 seat plane. Stewardess was pleasant and cheerful.

Great experience flying Southwest. The crew was really kind and helpful, and very friendly with our toddler.

Plane late from DC to Austin 30 minutes. Crew made up much of the time enroute to San Diego.

Everything you need to know for your flight from Islip to Los Angeles

Information on your arrival and departure airports

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