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Cheap flights to Islip, NY

Popular inDecemberHigh demand for flights, 10% potential price rise
Cheapest inAugustBest time to find cheap flights, 3% potential price drop
Average price$227Average for round-trip flights in March 2021
Round-trip from$59From Las Vegas to Islip
One-way from$35One-way flight from Las Vegas to Islip

COVID Restrictions

View COVID Travel Restrictions for Islip

Can I fly to Islip right now?

There are currently restrictions on flights to Islip along with the rest of United States. Before you book or search for flights, consider the following restrictions: Entry restrictions

The United States has restricted the entry of all foreign nationals who have passed through or have been in China, Iran, Most European Countries (Austria, Belgium, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, Monaco, San Marino, Vatican City), the UK, Ireland, Brazil and South Africa in the past 14 days. With the exception of certain travelers which includes certain family members of US citizens or permanent residents including; spouses, children (under the age of 21), parents (provided that his/her US citizen or permanent resident child is unmarried and under the age of 21), and siblings (provided that both the sibling and the US citizen or permanent resident are unmarried and under the age of 21); There is also an exception for travelers with the following visas: A-1, A-2, C-1, C-1/D, C-2, C-3, CR-1, CR-2, D, E-1 (as an employee of TECRO or TECO or the employee's immediate family members), G-1, G-2, G-3, G-4, IR-1, IR-4, IH-4, NATO-1 through NATO-4, or NATO-6 visa; Members of the US Armed Forces, spouses, and children of members of the US Armed Forces; Travelers with invitation of the USA government for a purpose related to the containment/mitigation of the Coronavirus (COVID-19); Travelers with documents issued by the US Department of Homeland Security, US Customs and Border Protection, or US Department of State indicating that the traveler is exempt from the restriction; B1 crew crewmembers that are engaged in lightering, Outer Continental Shelf (OCS) activity, wind farm activity, private air/sea crew and other similar crewmember activities; Students with an F-1 or M-1 visa and their F-2 and M-2 dependents, if they arrive from or have been in Ireland, the UK or Schengen Area in the past 14 days.

Entry requirements

All travelers, 2 years of age or older (including US citizens and transit passenger) must present a negative COVID-19 viral or antigen test result issued 72 hours prior to departure or have a proof of recovery from the virus within the last 90 days prior to boarding the plane. Travelers must complete a disclosure and attestation form before departure. Exemptions or waiver to the testing requirements may be granted by the CDC on an extremely limited basis when emergency travel (like an emergency medical evacuation) must occur to preserve someone’s life, health against a serious danger, or physical safety and testing cannot be completed before travel. US citizens and permanent residents arriving from the UK must present a medical certificate with a negative COVID-19 PCR or antigen test result issued within 72 hours prior to departure. Travelers arriving in New York State must complete the Traveler Health Form. Travelers arriving in Massachusetts must complete the Massachusetts Health Form.

Quarantine requirements

Travelers are advised to get tested 3-5 days after travel and stay home and self-quarantine for 7 days after travel. Even if they test negative, they must still stay home and self-quarantine for the full 7 days. If the test is positive, isolate to protect others from getting infected.​​ Travelers who did not get tested, are advised to stay home and self-quarantine for 10 days after travel.​

All other info

Travelers are subject to COVID-19 measures set by the state/territory of their final destination. For more information go to CDC website.

If you are looking to book a trip to Islip and are outside of the restricted areas, please take the proper precautions and stay informed about traveling during COVID-19.
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Cheapest Prices for Islip flights by month

January
$188
February
$177
March
$200
April
$217
May
$212
June
$233
July
$240
August
$227
September
$217
October
$218
November
$217
December
$219
Currently, February is the cheapest month in which you can book a flight to Islip. Flying to Islip in July will prove the most costly. There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the best time to fly to Islip?

LAS - NYC
Price
$177 - $317
NYC
Temperature
42.8 - 86 °F
NYC
Rainfall
2.56 - 5.12 inches
The best time to fly to Islip is during February, but great deals can be found at other times. If weather is an important factor for you when considering when to fly to Islip, the warmest period tends to be July, with the wettest being August.

When is the best time to book a flight to Islip?

To ensure you get the cheapest price possible for a flight to Islip, you should look to book at least 21 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Which day is cheapest to fly to Islip?

Wednesday is currently, on average, the cheapest day to fly to Islip. Flying on Sunday will result in higher flight prices.

What time of day is cheapest to fly to Islip?

To get the best value, try booking a flight at noon when visiting Islip. Generally the prices will increase for flights in the morning as these tend to have higher demand.

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