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$162+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — OKC
Aug 11 — Aug 181
Tue 8/11
Tue 8/18
1 adult, Economy
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Cheap flight deals from Islip to Oklahoma City

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

This Southwest deal was found by Cheapflights users on 7/7. 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.
Fri 7/173:05 pm
ISP
-
OKC
2 stops9h 10m
Southwest
Sun 7/195:40 am
OKC
-
ISP
2 stops8h 15m
Southwest
Deal found 7/7$997

Find 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 July 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

September

Average price

$468
Provider with most accurate pricing for Islip Long Island-Oklahoma City Will Rogers World flight deals.
Search Deals
Provider most trusted by Cheapflights users for Islip Long Island-Oklahoma City Will Rogers World flights.
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 12, 2026.
Use the filters below to find and compare flights from Islip to Oklahoma City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest one-way
Quickest one-way

IslipOklahoma City

ISP - OKC

ISPOKC

Islip Long Island

Tue 8/18

3:20 pm-10:40 pm

2 stops8h 20m

$162

IslipOklahoma City

ISP - OKC

ISPOKC

Islip Long Island

Tue 8/18

5:27 pm-2:59 pm

3 stops46h 32m

$374

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Sorted by cheapest first

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Oklahoma City flight deals on Cheapflights vs. FlightHub >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 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-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.

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.

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
Midwest City
Ada

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