The cheapest times to fly from ISP to KOA are

  • January 1st to March 4th (except the week of February 12th)
  • April 23rd to May 20th (except the week of April 30th)
  • August 6th to September 30th (except the week of August 13th)
  • October 15th to November 18th

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 KOA is early November. Prices can be as high as $2046 for Saturday flights during late December, or as low as $674 for Tuesday flights around early November.


When to Fly to Kailua-Kona

Flying from Islip, NY (ISP) to Kona, HI (KOA) will usually cost between $761 to $1204 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early November with an average ticket price of $830. Due to high demand the most expensive time to fly is late December, with an average price of $1383. Planning your trip to low-cost times can easily save you $553 on economy flights and even more on first-class flights. Generally, any price below $955 can be considered a good price for a round-trip ISP to KOA flight.

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

ISP to KOA Flight Prices

Compared to other flights, the ISP to KOA flight is priced close to the average and costs about as much as the average flight leaving from Islip. The average price per mile (for a direct flight) is $0.12, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to KOA, and Wednesday the cheapest day to fly back into ISP. Saturdays 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 $167 (16%) 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 $884. Return trip prices are from the KOA 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 KOA can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 9 hour 56 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 ISP to KOA while comparing.

Destination alternative #1: Kahului Airport (OGG) in Kahului, HI

  • 84 miles (135 km) away from KOA
  • Usually 7.02% less expensive than KOA
  • 2-layover flights available

See ISP to OGG flights


Flight Hacking ISP to KOA

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 KOA — but Champion Traveler does!

Hack #1: San Diego, CA (ISP > SAN > KOA)

  • Price for both tickets: $820
  • Average savings: $136 (14.19%)

See ISP to SAN flights

Hack #2: Los Angeles, CA (ISP > LAX > KOA)

  • Price for both tickets: $874
  • Average savings: $81 (8.48%)

See ISP to LAX flights

Hack #3: Boston, MA (ISP > BOS > KOA)

  • Price for both tickets: $914
  • Average savings: $42 (4.35%)

See ISP to BOS flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 6 major airlines flying this route most often: Alaska, American, Fiji Airways, Hawaiian, Southwest, United, and potentially more during busy seasons.

How far away is it from Ellison Onizuka Kona International at Keahole Airport to Long Island MacArthur Airport?

The distance between the two airports is roughly 4977 miles or 8010 kilometers.

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

The real-world flight time for a nonstop ISP to KOA flight is about 9 hour 56 minutes.

How many flights go between Islip, NY and Kona, HI?

It depends on the day of the week and the date, but a typical day might have around 21 available flights from ISP to KOA.


Airport Location Info


Departing Airport

Origination code ISP
Origination airport name Long Island MacArthur Airport
City Islip, NY
Country the United States
Latitude 40.8
Longitude -73.1

Return Airport

Destination code KOA
Destination airport name Ellison Onizuka Kona International at Keahole Airport
City Kona, HI
Country the United States
Latitude 19.7
Longitude -156


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.