The cheapest times to fly from ISP to KUL are

  • January 8th to January 28th
  • February 19th to April 1st
  • April 23rd to June 24th (except the week of May 21st)
  • October 1st to December 9th (except the week of October 22nd)

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 ISP to KUL is late April. Prices can be as high as $8799 for Friday flights during late December, or as low as $1720 for Tuesday flights around late April.


When to Fly to Kuala Lumpur

Flying from Islip, NY (ISP) to Kuala Lumpur (KUL) will usually cost between $1945 to $5388 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late April with an average ticket price of $1994. Due to high demand the most expensive time to fly is late December, with an average price of $5142. Planning your trip to low-cost times can easily save you $3148 on economy flights and even more on first-class flights. Generally, any price below $2457 can be considered a good price for a round-trip ISP to KUL flight.

See below for a graph of average weekly prices for the ISP to KUL route. All prices are for round-trip tickets in USD.

ISP to KUL Flight Prices

Compared to other flights, the ISP to KUL flight is more expensive than the average and costs more than the average flight leaving from Islip. The average price per mile (for a direct flight) is $0.16, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to KUL, and Saturday the cheapest day to fly back into ISP. Fridays 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 $953 (25%) 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 $2389. Return trip prices are from the KUL to ISP flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ISP to KUL can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 17 hour 55 minutes may not be realistic.


Flight Hacking ISP to KUL

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from ISP to KUL — but Champion Traveler does!

Hack #1: Phuket (ISP > HKT > KUL)

  • Price for both tickets: $1025
  • Average savings: $1432 (58.29%)

See ISP to HKT flights

Hack #2: Chicago, IL (ISP > ORD > KUL)

  • Price for both tickets: $1059
  • Average savings: $1398 (56.89%)

See ISP to ORD flights

Hack #3: Madrid (ISP > MAD > KUL)

  • Price for both tickets: $1065
  • Average savings: $1392 (56.67%)

See ISP to MAD flights


Flight Questions Answered

Still have questions about flying from ISP to KUL? We’ve got answers.

Which airlines fly this route?

You can find 15 major airlines flying this route most often: Air India, Air New Zealand, American, ANA, British Airways, China Southern, Etihad, EVA Air, Finnair, Iberia, KLM, Saudia, Singapore Airlines, United, Vistara, and potentially more during busy seasons.

How far away is it from Kuala Lumpur International Airport to Long Island MacArthur Airport?

The distance between the two airports is roughly 9409 miles or 15142 kilometers.

How long does it take to fly from ISP to KUL?

The real-world flight time for a nonstop ISP to KUL flight is about 17 hour 55 minutes.

How many flights go between Islip, NY and Kuala Lumpur?

It depends on the day of the week and the date, but a typical day might have around 11 available flights from ISP to KUL.


Airport Location Info


Departing Airport

Origination codeISP
Origination airport nameLong Island MacArthur Airport
CityIslip, NY
Countrythe United States

Return Airport

Destination codeKUL
Destination airport nameKuala Lumpur International Airport
CityKuala Lumpur


Other Resources

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.