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$214+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — OKC
May 2 — May 91
Sat 5/2
Sat 5/9
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 April 2, 2026.

This Southwest deal was found by Cheapflights users on 3/31. 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.
Tue 5/264:10 pm
ISP
-
OKC
2 stops8h 05m
Southwest
Mon 6/13:40 pm
OKC
-
ISP
2 stops6h 50m
Southwest
Deal found 3/31$547
This Southwest deal was found by Cheapflights users on 3/30. 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.
Sat 5/2310:00 am
ISP
-
OKC
2 stops11h 45m
Southwest
Wed 5/271:15 pm
OKC
-
ISP
2 stops7h 55m
Southwest
Deal found 3/30$563
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2311:00 am
ISP
-
OKC
2 stops27h 01m
Multiple Airlines
Wed 5/276:23 pm
OKC
-
ISP
1 stop14h 42m
Multiple Airlines
Deal found 3/30$581
This Southwest deal was found by Cheapflights users on 3/30. 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.
Tue 4/146:55 am
ISP
-
OKC
1 stop8h 20m
Southwest
Sat 4/185:35 am
OKC
-
ISP
2 stops9h 25m
Southwest
Deal found 3/30$608
This Southwest deal was found by Cheapflights users on 4/1. 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.
Tue 4/76:55 am
ISP
-
OKC
1 stop8h 20m
Southwest
Sat 4/1112:45 pm
OKC
-
ISP
2 stops9h 35m
Southwest
Deal found 4/1$982

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 April 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$547
(Southwest)

One-way from

$214
(Kiwi.com)

Popular in

February

Cheapest in

April

Average price

$410
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
From Islip Long Island to Oklahoma City Will Rogers World
Search Deals
One-way flight from Islip Long Island to Oklahoma City Will Rogers World
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 2, 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 round-trip
Quickest round-trip

IslipOklahoma City

ISP - OKC

ISPOKC

Islip Long Island

Tue 5/26

4:10 pm-11:15 pm

2 stops8h 05m

Oklahoma City Will Rogers World

Mon 6/1

3:40 pm-11:30 pm

2 stops6h 50m

$547

IslipOklahoma City

ISP - OKC

ISPOKC

Islip Long Island

Sat 5/23

10:00 am-8:45 pm

2 stops11h 45m

Oklahoma City Will Rogers World

Wed 5/27

1:15 pm-10:10 pm

2 stops7h 55m

$563

IslipOklahoma City

ISP - OKC

ISPOKC

Islip Long Island

Tue 4/14

6:55 am-2:15 pm

1 stop8h 20m

Oklahoma City Will Rogers World

Sat 4/18

5:35 am-4:00 pm

2 stops9h 25m

$608
Cheapest one-way

IslipOklahoma City

ISP - OKC

ISPOKC

Islip Long Island

Tue 4/14

9:38 am-6:45 pm

2 stops34h 07m

$214
Quickest one-way

IslipOklahoma City

ISP - OKC

ISPOKC

Islip Long Island

Tue 4/14

6:55 am-2:15 pm

1 stop8h 20m

$307

IslipOklahoma City

ISP - OKC

ISPOKC

Islip Long Island

Tue 4/14

11:59 am-4:10 pm

3 stops53h 11m

$425

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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 April.
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.

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 $147). Flying from Islip, New York to Oklahoma City in February is currently the most expensive (average of $361). 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.

  • How long is the flight from Islip, New York to Oklahoma City?

    A quick flight from Islip, New York to Oklahoma City can take about 8h 05m. Southwest provides one of the quickest options available for as low as $547. Islip, New York and Oklahoma City are separated by a distance of 1378 mi.

  • 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 $147). Flying from Islip, New York to Oklahoma City in February is currently the most expensive (average of $361). 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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