In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

If weather is an important factor for your trip to Islip, New York, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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

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

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

Most trusted provider : When it comes to deals on Oklahoma City-Islip, New York 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 Oklahoma City-Islip, New York 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 Oklahoma City to Islip that include hotel bookings?

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

How can I find direct flights from Oklahoma City to Islip?

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

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

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

$280+ Cheap Flights from Oklahoma City to Islip, NY

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Cheap flight deals from Oklahoma City to Islip

Cheapest

Last-minute

One-way

Cheapest flights from Oklahoma City to Islip
Explore the most affordable flight options available from Oklahoma City to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.

Sun 9/138:15 am -

2 stops9h 30m

Tue 9/153:20 pm -

2 stops8h 25m

Deal found 9/9

$1,147

One-way flights from Oklahoma City to Islip
Search for one-way flight options from Oklahoma City to Islip. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.

Sat 10/175:10 am -

2 stops10h 00m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$280

Sun 10/181:40 pm -

2 stops9h 00m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$469

Sat 10/176:00 am -

3 stops33h 10m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$518

Sun 10/186:00 am -

3 stops28h 05m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/10

$1,511

Find flight deals from Oklahoma City to Islip

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	June
Cheapest in	January
Average price	$459

Provider with most accurate pricing for Oklahoma City Will Rogers World-Islip Long Island flight deals.

Search Deals

Provider most trusted by Cheapflights users for Oklahoma City Will Rogers World-Islip Long Island flights.

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($29 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Oklahoma CityIslip

OKC Oklahoma City Will Rogers World - ISP Islip Long Island

OKCISP

Oklahoma City Will Rogers World

Sat 10/17

5:10 am-4:10 pm

2 stops10h 00m

Islip Long Island

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$280

Quickest round-trip

Oklahoma CityIslip

OKC Oklahoma City Will Rogers World - ISP Islip Long Island

OKCISP

Oklahoma City Will Rogers World

Sun 10/18

1:40 pm-11:40 pm

2 stops9h 00m

Islip Long Island

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$469

Oklahoma CityIslip

OKC Oklahoma City Will Rogers World - ISP Islip Long Island

OKCISP

Oklahoma City Will Rogers World

Sat 10/17

6:00 am-4:10 pm

3 stops33h 10m

Islip Long Island

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$518

Oklahoma CityIslip

OKC Oklahoma City Will Rogers World - ISP Islip Long Island

OKCISP

Oklahoma City Will Rogers World

Sun 10/18

6:00 am-11:05 am

3 stops28h 05m

Islip Long Island

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$1,511

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Sorted by cheapest first

Compare providers for flights from Oklahoma City to Islip

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

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	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 Oklahoma City-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Oklahoma City-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Oklahoma City-Islip, New York flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Oklahoma City-Islip, New York 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 Oklahoma City-Islip, New York 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 Oklahoma City to Islip

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

OKC-ISP

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

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$280+ Cheap flights from Oklahoma City to Islip, NY (OKC - ISP)

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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Oklahoma City to Islip with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Oklahoma City to Islip

Cheapest flights from Oklahoma City to IslipExplore the most affordable flight options available from Oklahoma City to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.

Explore the most affordable flight options available from Oklahoma City to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.

Last-minute flights from Oklahoma City to IslipDiscover last-minute flight deals from Oklahoma City to Islip. Data last updated September 12, 2026 and is based on user searches.

Discover last-minute flight deals from Oklahoma City to Islip. Data last updated September 12, 2026 and is based on user searches.

One-way flights from Oklahoma City to IslipSearch for one-way flight options from Oklahoma City to Islip. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.

Search for one-way flight options from Oklahoma City to Islip. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.

Find flight deals from Oklahoma City to Islip

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Compare providers for flights from Oklahoma City to Islip

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 Oklahoma City to Islip in September.

Best time to book a flight from Oklahoma City to Islip

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

Related info for your journey

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

How can I find direct flights from Oklahoma City to Islip?

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

Traveling to a place near Islip?

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 Oklahoma City to Islip

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

Complete your trip

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

Search flights from Oklahoma City to Islip by cabin class

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

Other flights to Islip

Explore flights to Islip departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 12, 2026.

Oklahoma City and Islip flights

Browse other Oklahoma City and Islip flight options. Last updated on September 12, 2026.

Other flights from Oklahoma City

Browse through other flights departing from Oklahoma City. Flights are based on user searches made on Cheapflights and were last updated on September 12, 2026.

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Check out other popular destinations found by fellow travelers in 2026

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Cheapest flights from Oklahoma City to Islip
Explore the most affordable flight options available from Oklahoma City to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2026.

Last-minute flights from Oklahoma City to Islip
Discover last-minute flight deals from Oklahoma City to Islip. Data last updated September 12, 2026 and is based on user searches.

One-way flights from Oklahoma City to Islip
Search for one-way flight options from Oklahoma City to Islip. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.