The cheapest times to fly from LAX to ISP are
- January 1st to March 4th
- April 16th to May 6th
- August 13th to November 18th (except the week of October 15th)
- early December
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from LAX to ISP is mid January. Prices can be as high as $1439 for Sunday flights during mid December, or as low as $277 for Tuesday flights around mid January.
When to Fly to Islip
Flying from Los Angeles, CA (LAX) to Islip, NY (ISP) will usually cost between $280 to $699 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid January with an average ticket price of $292. Due to high demand the most expensive time to fly is mid December, with an average price of $694. Planning your trip to low-cost times can easily save you $402 on economy flights and even more on first-class flights. Generally, any price below $400 can be considered a good price for a round-trip LAX to ISP flight.
See below for a graph of average weekly prices for the LAX to ISP route. All prices are for round-trip tickets in USD.
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Compared to other flights, the LAX to ISP flight is much cheaper than the average and costs much less than the average flight leaving from Los Angeles. The average price per mile (for a direct flight) is $0.1, which is far below average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $234 (40%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $350. Return trip prices are from the ISP to LAX flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
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Return Trip Prices by Day
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Nonstop Flights and Layovers
Travelers looking to fly from LAX to ISP can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 5 hour 29 minutes may not be realistic.
Alternative Nearby Airports
Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from LAX to ISP while comparing.
- 37 miles (60 km) away from ISP
- Usually 26.25% less expensive than ISP
- Nonstop flights available
- 40 miles (64 km) away from ISP
- Usually 24.75% less expensive than ISP
- 1-layover flights available
- 56 miles (90 km) away from ISP
- Usually 24.25% less expensive than ISP
- Nonstop flights available
- 130 miles (209 km) away from ISP
- Usually 14.50% less expensive than ISP
- Nonstop flights available
- 37 miles (60 km) away from ISP
- Usually 4.63% less expensive than ISP
- 1-layover flights available
- 108 miles (174 km) away from ISP
- Usually 8.56% less expensive than ISP
- 1-layover flights available
Flight Questions Answered
Still have questions about flying from LAX to ISP? We’ve got answers.
Which airlines fly this route?
You can find 4 major airlines flying this route most often: Alaska, American, Frontier, Southwest, and potentially more during busy seasons.
How far away is it from Long Island MacArthur Airport to Los Angeles International Airport?
The distance between the two airports is roughly 2504 miles or 4030 kilometers.
How long does it take to fly from LAX to ISP?
The real-world flight time for a nonstop LAX to ISP flight is about 5 hour 29 minutes.
How many flights go between Los Angeles, CA and Islip, NY?
It depends on the day of the week and the date, but a typical day might have around 71 available flights from LAX to ISP.
Airport Location Info
Departing Airport
Origination code | LAX |
Origination airport name | Los Angeles International Airport |
City | Los Angeles, CA |
Country | the United States |
Latitude | 33.9 |
Longitude | -118.4 |
Return Airport
Destination code | ISP |
Destination airport name | Long Island MacArthur Airport |
City | Islip, NY |
Country | the United States |
Latitude | 40.8 |
Longitude | -73.1 |
Other Resources
Flights to ISP
Flights from ISP
Popular Flights
Flights to LAX
Flights from LAX
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.