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$489+ Cheap flights from Islip, NY to Oklahoma City (ISP - OKC)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — OKC
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap flight deals from Islip to Oklahoma City

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Oklahoma City (OKC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

November

Cheapest in

February

Average price

$409
Provider with most accurate pricing for Islip Long Island-Oklahoma City Will Rogers World flight deals.
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Provider most trusted by Cheapflights users for Islip Long Island-Oklahoma City Will Rogers World flights.
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Highest demand for flights based on searches. 6% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Islip to Oklahoma City

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

This Southwest deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/96:20 am
ISP
-
OKC
1 stop8h 10m
Southwest
Deal found 1/15$489

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Oklahoma City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 15, 2026.
Use the filters below to find and compare flights from Islip to Oklahoma City that are best for you.

Fly from

Islip

Fly to

Oklahoma City

Route

Depart

Return

Price

IslipOklahoma City

ISP - OKC

ISPOKC

Islip Long Island

Mon 2/9

6:20 am-1:30 pm

1 stop8h 10m

$489

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Compare providers for flights from Islip to Oklahoma City

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 Oklahoma City in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust 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-Oklahoma City flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Islip, New York-Oklahoma City flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Islip, New York-Oklahoma City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-Oklahoma City flights, Cheapflights users trust eDreams the most. eDreams 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-Oklahoma City 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 Oklahoma City

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

Cheapflights Insights

Everything you need to know about your flight from Islip to Oklahoma City

What is the cheapest month to book a flight from Islip, New York to Oklahoma City?

Currently, August is the cheapest month in which you can book a flight from Islip, New York to Oklahoma City (average of $151). Flying from Islip, New York to Oklahoma City in September is currently the most expensive (average of $333). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Islip to Oklahoma City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Islip, New York to Oklahoma City?

    Currently, August is the cheapest month in which you can book a flight from Islip, New York to Oklahoma City (average of $151). Flying from Islip, New York to Oklahoma City in September is currently the most expensive (average of $333). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Oklahoma City?

Book flights to Oklahoma City if you plan to visit one of these locations
Norman
Yukon
Moore
Edmond
Shawnee
Ada
Midwest City

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