In terms of precipitation, rainfall in Erie ranges from 2.4 - 4.6 inches per month. September is typically the wettest month, when rainfall can reach 4.6 in. February is typically the driest time to visit Erie when rainfall is around 2.4 in.

If weather is an important factor for your trip to Erie, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).

What is the cheapest time of day to fly from ISP to ERI?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islip, New York to Erie as you normally would.

Most accurate provider : When it comes to deals on Islip, New York-Erie flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Erie flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Erie flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Islip, New York-Erie flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-Erie flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Islip to Erie that include hotel bookings?

Yes. In addition to deals on Islip to Erie flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Islip to Erie?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Erie.

Can I find deals for business class flights from Islip to Erie?

Yes. Cheapflights offers flight deals from Islip to Erie by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$554+ Cheap Flights from Islip, NY to Erie

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1. Tell us where you want to go

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Cheap flight deals from Islip to Erie

One-way

One-way flights from Islip to Erie
Search for one-way flight options from Islip to Erie. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.

Fri 10/23:02 pm -

2 stops29h 34m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/14

$554

Find flight deals from Islip to Erie

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars

Provider with most accurate pricing for Islip Long Island-Erie flight deals.

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Provider most trusted by Cheapflights users for Islip Long Island-Erie flights.

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Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

IslipErie

ISP Islip Long Island - ERI Erie

ISPERI

Islip Long Island

Fri 10/2

3:02 pm-8:36 pm

2 stops29h 34m

Erie

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$554

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Sorted by cheapest first

Compare providers for flights from Islip to Erie

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islip to Erie in September.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Islip, New York-Erie flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Erie flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Erie flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Islip, New York-Erie flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-Erie flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Islip to Erie

Have a flexible travel schedule? Discover the best time to fly to Erie from Islip with our price prediction graph.

ISP-ERI

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Can I find deals for flights from Islip to Erie that include hotel bookings?
Yes. In addition to deals on Islip to Erie flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Islip to Erie?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Erie.
Can I find deals for business class flights from Islip to Erie?
Yes. Cheapflights offers flight deals from Islip to Erie by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Browse thousands of different options on Cheapflights for your next trip

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$554+ Cheap flights from Islip, NY to Erie (ISP - ERI)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Islip to Erie with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Islip to Erie

One-way flights from Islip to ErieSearch for one-way flight options from Islip to Erie. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.

Search for one-way flight options from Islip to Erie. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.

Find flight deals from Islip to Erie

Most accurate provider

Most trusted provider

Cheapflights Fare Finder

Use the filters below to find and compare flights from Islip to Erie that are best for you.

Compare providers for flights from Islip to Erie

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islip to Erie in September.

Best time to book a flight from Islip to Erie

Have a flexible travel schedule? Discover the best time to fly to Erie from Islip with our price prediction graph.

Related info for your journey

Can I find deals for flights from Islip to Erie that include hotel bookings?

How can I find direct flights from Islip to Erie?

Can I find deals for business class flights from Islip to Erie?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Islip to Erie

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Erie by adding a car rental and/or hotel reservation to your travel itinerary.

Other flights to Erie

Explore flights to Erie departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2026.

Search flights from Islip to Erie by cabin class

Find flights from Islip to Erie, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Islip and Erie flights

Browse other Islip and Erie flight options. Last updated on September 15, 2026.

Other flights from Islip

Browse through other flights departing from Islip. Flights are based on user searches made on Cheapflights and were last updated on September 15, 2026.

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Check out other popular destinations found by fellow travelers in 2026

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One-way flights from Islip to Erie
Search for one-way flight options from Islip to Erie. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.