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$95+ Cheap flights from Islip, NY (ISP) to Oklahoma

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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — OKC
Mar 25 — Apr 11
Wed 3/25
Wed 4/1
1 adult, Economy
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Cheap flight deals from Islip to Oklahoma

Cheapest flights from Islip to Oklahoma
Explore the most affordable flight options available from Islip to Oklahoma. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 23, 2026.

This CheapOair deal was found by Cheapflights users on 2/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/244:07 pm
ISP
-
DFW
1 stop19h 11m
Frontier
Mon 4/279:46 am
DFW
-
ISP
1 stop8h 50m
Frontier
Deal found 2/22$190
This CheapOair deal was found by Cheapflights users on 2/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:31 pm
ISP
-
DFW
1 stop25h 20m
Frontier
Sun 4/198:59 pm
DFW
-
ISP
1 stop11h 14m
Frontier
Deal found 2/23$211
This Kiwi.com deal was found by Cheapflights users on 2/23. 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.
Mon 3/91:22 pm
ISP
-
DFW
1 stop27h 37m
Multiple Airlines
Thu 3/128:59 am
DFW
-
ISP
2 stops23h 49m
Multiple Airlines
Deal found 2/23$220
This CheapOair deal was found by Cheapflights users on 2/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/49:33 am
ISP
-
DFW
1 stop7h 51m
Frontier
Wed 3/111:21 pm
DFW
-
ISP
1 stop25h 52m
Frontier
Deal found 2/19$232
This Frontier deal was found by Cheapflights users on 2/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/98:36 pm
ISP
-
DFW
1 stop13h 28m
Frontier
Thu 4/166:59 pm
DFW
-
ISP
1 stop13h 14m
Frontier
Deal found 2/22$243
This Kiwi.com deal was found by Cheapflights users on 2/21. 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.
Mon 3/23:34 pm
ISP
-
DFW
1 stop27h 36m
Multiple Airlines
Thu 3/511:28 am
DFW
-
ISP
1 stop25h 03m
Multiple Airlines
Deal found 2/21$272
This Kiwi.com deal was found by Cheapflights users on 2/22. 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.
Wed 3/2511:50 am
ISP
-
DFW
2 stops12h 03m
Multiple Airlines
Fri 3/272:43 pm
DFW
-
ISP
1 stop18h 05m
Multiple Airlines
Deal found 2/22$281
This Kiwi.com deal was found by Cheapflights users on 2/23. 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.
Wed 3/49:33 am
ISP
-
DFW
1 stop9h 37m
Multiple Airlines
Fri 3/68:40 pm
DFW
-
ISP
2 stops13h 30m
Multiple Airlines
Deal found 2/23$285
This CheapOair deal was found by Cheapflights users on 2/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/273:34 pm
ISP
-
DFW
1 stop25h 18m
Frontier
Sun 3/17:57 pm
DFW
-
ISP
1 stop10h 41m
Frontier
Deal found 2/21$297
This CheapOair deal was found by Cheapflights users on 2/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/53:34 pm
ISP
-
DFW
1 stop18h 29m
Frontier
Thu 3/127:30 am
DFW
-
ISP
1 stop25h 18m
Frontier
Deal found 2/19$300
This Southwest deal was found by Cheapflights users on 2/23. 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.
Thu 3/262:00 pm
ISP
-
OKC
2 stops11h 10m
Southwest
Sun 3/292:50 pm
OKC
-
ISP
2 stops8h 00m
Southwest
Deal found 2/23$669

Find flight deals from Islip to Oklahoma

Keep the following information in mind while searching for Islip to Oklahoma flight deals. Data was last updated February 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$190
(CheapOair)

One-way from

$95
(CheapOair)

Popular in

November

Cheapest in

April

Average price

$415
Provider with most accurate pricing for New York (NYC)-Oklahoma City Will Rogers World flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Oklahoma City Will Rogers World flights.
Search Deals
From Islip Long Island to Oklahoma
Search Deals
One-way flight from Islip Long Island to Oklahoma
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($21 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 February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Oklahoma 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 February 23, 2026.
Use the filters below to find and compare flights from Islip to Oklahoma that are best for you.

Fly from

Islip

Fly to

Oklahoma

Route

Depart

Return

Price

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 4/24

4:07 pm-10:18 am

1 stop19h 11m

Dallas/Fort Worth

Mon 4/27

9:46 am-7:36 pm

1 stop8h 50m

$190

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 4/17

8:31 pm-8:51 pm

1 stop25h 20m

Dallas/Fort Worth

Sun 4/19

8:59 pm-9:13 am

1 stop11h 14m

$211

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Thu 4/9

8:36 pm-9:04 am

1 stop13h 28m

Dallas/Fort Worth

Thu 4/16

6:59 pm-9:13 am

1 stop13h 14m

$243

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Wed 3/25

11:50 am-10:53 pm

2 stops12h 03m

Dallas/Fort Worth

Fri 3/27

2:43 pm-9:48 am

1 stop18h 05m

$281

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Thu 3/5

3:34 pm-9:03 am

1 stop18h 29m

Dallas/Fort Worth

Thu 3/12

7:30 am-9:48 am

1 stop25h 18m

$300

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Sat 3/7

11:50 am-6:02 am

2 stops19h 12m

Dallas/Fort Worth

Wed 3/11

2:24 pm-4:13 pm

1 stop24h 49m

$321

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Tue 3/24

11:59 am-7:29 pm

2 stops32h 30m

Dallas/Fort Worth

Fri 3/27

7:05 am-1:31 pm

1 stop5h 26m

$405

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Wed 4/1

8:54 pm-8:19 am

1 stop12h 25m

Dallas/Fort Worth

Sat 4/4

9:29 am-11:13 am

1 stop24h 44m

$405

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Mon 8/17

3:07 pm-10:27 pm

1 stop8h 20m

Dallas/Fort Worth

Sat 8/22

6:00 am-2:44 pm

1 stop7h 44m

$458

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 3/13

2:31 pm-9:26 pm

1 stop7h 55m

Dallas/Fort Worth

Sun 3/15

6:00 am-1:31 pm

2 stops30h 31m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 23 results
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Best time to book a flight from Islip to Oklahoma

Have a flexible travel schedule? Discover the best time to fly to Oklahoma 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

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

Currently, March is the cheapest month in which you can book a flight from Islip, New York to Oklahoma (average of $143). Flying from Islip, New York to Oklahoma in February is currently the most expensive (average of $296). 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. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Islip to Oklahoma?

    If you book a flight to Oklahoma from Islip, you will be flying from Long Island, which is the city’s only airport. Islip Long Island (ISP) is located 7.2 mi from the center of Islip.

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

    Departing from Islip, New York to Oklahoma will take you 19h 11m. The distance between Islip, New York and Oklahoma is about 1425 mi.

  • What are the most popular routes from Islip, New York to Oklahoma?

    The most popular route from Islip, New York to Oklahoma is Islip Long Island - Dallas/Fort Worth. You may also consider Islip Long Island - Lawton-Fort Sill or Islip Long Island - Oklahoma City Will Rogers World.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to Oklahoma 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?

    Currently, March is the cheapest month in which you can book a flight from Islip, New York to Oklahoma (average of $143). Flying from Islip, New York to Oklahoma in February is currently the most expensive (average of $296). 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

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