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$168+ 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 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — OKC
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Islip to Oklahoma

Keep the following information in mind while searching for Islip to Oklahoma flight deals. Data was last updated June 12, 2025.

Round-trip from

$296
(Booking.com)

One-way from

$168
(Cheapflightsfares)

Popular in

December

Cheapest in

February

Average price

$425
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. 5% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 12, 2025.

This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/295:00 pmISP - DFW
1 stop17h 39mFrontier
Sun 8/317:54 pmDFW - ISP
1 stop11h 14mFrontier
Deal found 6/11$296
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/118:37 pmISP - DFW
1 stop13h 24mMultiple Airlines
Fri 7/186:25 amDFW - ISP
2 stops12h 17mMultiple Airlines
Deal found 6/11$352
This Frontier deal was found by Cheapflights users on 6/11. 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.
Wed 6/258:21 pmISP - OKC
2 stops16h 03mFrontier
Fri 6/278:52 amOKC - ISP
1 stop9h 44mFrontier
Deal found 6/11$407
This Southwest deal was found by Cheapflights users on 6/10. 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 8/183:05 pmISP - OKC
2 stops8h 15mSouthwest
Sun 8/245:05 amOKC - ISP
2 stops10h 55mSouthwest
Deal found 6/10$590
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/252:55 pmISP - OKC
3 stops25h 44mMultiple Airlines
Sun 6/294:29 pmOKC - ISP
3 stops21h 50mMultiple Airlines
Deal found 6/10$870

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 June 12, 2025.
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 8/29

5:00 pm-9:39 am

1 stop17h 39m

Dallas/Fort Worth

Sun 8/31

7:54 pm-8:08 am

1 stop11h 14m

$296

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Fri 7/11

8:37 pm-9:01 am

1 stop13h 24m

Dallas/Fort Worth

Fri 7/18

6:25 am-7:42 pm

2 stops12h 17m

$352

IslipOklahoma City

ISP - OKC

ISPOKC

Islip Long Island

Wed 6/25

8:21 pm-11:24 am

2 stops16h 03m

Oklahoma City Will Rogers World

Fri 6/27

8:52 am-7:36 pm

1 stop9h 44m

$407

IslipOklahoma City

ISP - OKC

ISPOKC

Islip Long Island

Mon 8/18

3:05 pm-10:20 pm

2 stops8h 15m

Oklahoma City Will Rogers World

Sun 8/24

5:05 am-5:00 pm

2 stops10h 55m

$590

IslipOklahoma City

ISP - OKC

ISPOKC

Islip Long Island

Wed 6/25

2:55 pm-3:39 pm

3 stops25h 44m

Oklahoma City Will Rogers World

Sun 6/29

4:29 pm-3:19 pm

3 stops21h 50m

$870

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Sat 6/21

2:05 pm-8:55 pm

1 stop7h 50m

$168

IslipOklahoma City

ISP - OKC

ISPOKC

Islip Long Island

Thu 6/19

8:21 pm-8:02 am

1 stop12h 41m

$176

IslipDallas

ISP - DFW

ISPDFW

Islip Long Island

Sun 6/22

7:39 pm-7:30 am

3 stops36h 51m

$371

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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, January is the cheapest month in which you can book a flight from Islip, New York to Oklahoma (average of $348). Flying from Islip, New York to Oklahoma in June is currently the most expensive (average of $408). 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.

Rainfall in Oklahoma by month

Plan your trip to Oklahoma by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Oklahoma ranges from 1.2 - 5.1 inches per month. May is typically the wettest month, when rainfall can reach 5.1 in. January is typically the driest time to visit Oklahoma when rainfall is around 1.2 in.

Temperature in Oklahoma by month

Plan your trip to Oklahoma by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Oklahoma, 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).

Reviews of airlines servicing Oklahoma

Get insights into the airlines that provide service to Oklahoma. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oklahoma. Reviews last updated June 12, 2025.
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Frontier
5.9
Fair
3,295 reviews
Southwest
8.0
Very good
4,287 reviews

Entertainment

7.6

Crew

8.6

Overall

8.0

Comfort

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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.

  • 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, January is the cheapest month in which you can book a flight from Islip, New York to Oklahoma (average of $348). Flying from Islip, New York to Oklahoma in June is currently the most expensive (average of $408). 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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