$215 Cheap Flights from Islip (ISP) to Tulsa (TUL)

View $215 flight on Sat, Apr 18, 2026Opens in a new window

Popular airlines from MacArthur Airport (ISP) to Tulsa International Airport (TUL)

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Cheap Flights from Islip to Tulsa (ISP-TUL)

Prices were available within the past 7 days and start at $215 for one-way flights and $419 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Sat, Apr 18 - Tue, Apr 21
ISP
Islip
TUL
Tulsa
$419 Roundtrip, found 1 day ago
$419
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sat, Apr 18 from Islip to Tulsa, returning Tue, Apr 21, priced at $419 found 1 day ago
Southwest Airlines
Sat, Apr 18 - Tue, Apr 21
ISP
Islip
TUL
Tulsa
$425 Roundtrip, found 1 day ago
$425
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sat, Apr 18 from Islip to Tulsa, returning Tue, Apr 21, priced at $425 found 1 day ago
Southwest Airlines
Sat, Apr 18 - Tue, Apr 21
ISP
Islip
TUL
Tulsa
$430 Roundtrip, found 1 day ago
$430
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sat, Apr 18 from Islip to Tulsa, returning Tue, Apr 21, priced at $430 found 1 day ago
Southwest Airlines
Sat, Apr 18 - Tue, Apr 21
ISP
Islip
TUL
Tulsa
$438 Roundtrip, found 1 day ago
$438
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sat, Apr 18 from Islip to Tulsa, returning Tue, Apr 21, priced at $438 found 1 day ago
Southwest Airlines
Sat, Apr 18 - Tue, Apr 21
ISP
Islip
TUL
Tulsa
$444 Roundtrip, found 1 day ago
$444
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sat, Apr 18 from Islip to Tulsa, returning Tue, Apr 21, priced at $444 found 1 day ago
Southwest Airlines
Sat, Apr 18 - Tue, Apr 21
ISP
Islip
TUL
Tulsa
$449 Roundtrip, found 1 day ago
$449
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sat, Apr 18 from Islip to Tulsa, returning Tue, Apr 21, priced at $449 found 1 day ago
Southwest Airlines
Sat, Apr 18 - Tue, Apr 21
ISP
Islip
TUL
Tulsa
$454 Roundtrip, found 1 day ago
$454
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sat, Apr 18 from Islip to Tulsa, returning Tue, Apr 21, priced at $454 found 1 day ago
Southwest Airlines
Sat, Apr 18 - Tue, Apr 21
ISP
Islip
TUL
Tulsa
$455 Roundtrip, found 1 day ago
$455
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sat, Apr 18 from Islip to Tulsa, returning Tue, Apr 21, priced at $455 found 1 day ago
Southwest Airlines
Sat, Apr 18 - Tue, Apr 21
ISP
Islip
TUL
Tulsa
$459 Roundtrip, found 1 day ago
$459
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sat, Apr 18 from Islip to Tulsa, returning Tue, Apr 21, priced at $459 found 1 day ago
Southwest Airlines
Sat, Apr 18 - Tue, Apr 21
ISP
Islip
TUL
Tulsa
$464 Roundtrip, found 1 day ago
$464
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Sat, Apr 18 from Islip to Tulsa, returning Tue, Apr 21, priced at $464 found 1 day ago

Frequently asked questions

How much does a flight from Islip, NY (ISP-MacArthur) to Tulsa, OK (TUL-Tulsa Intl.) cost?
You can find cheap one-way flights from $215 and cheap return flights from $419 Islip, NY (ISP-MacArthur) to Tulsa, OK (TUL-Tulsa Intl.) with Expedia. Return flights typically cost between $497 and $1093. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Islip, NY (ISP-MacArthur) to Tulsa, OK (TUL-Tulsa Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Islip, NY (ISP-MacArthur) to Tulsa, OK (TUL-Tulsa Intl.)?
The cheapest month to fly from ISP to TUL is April when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Islip, NY (ISP-MacArthur) to Tulsa, OK (TUL-Tulsa Intl.)?
Enter ISP to TUL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Islip, NY (ISP-MacArthur) to Tulsa, OK (TUL-Tulsa Intl.)?
Southwest Airlines is one of the cheapest airlines offering connecting flights from Islip (ISP) to Tulsa (TUL) with a layover in Baltimore Washington Intl. Thurgood Marshall (BWI), starting from around $492. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Islip, NY (ISP-MacArthur) to Tulsa, OK (TUL-Tulsa Intl.)?
To find a cheap flight from Islip, NY (ISP-MacArthur) to Tulsa, OK (TUL-Tulsa Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Islip, NY (ISP-MacArthur) to Tulsa, OK (TUL-Tulsa Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Islip, NY (ISP-MacArthur) to Tulsa, OK (TUL-Tulsa Intl.)?
The earliest flight from MacArthur Airport (ISP) to Tulsa International Airport (TUL) typically departs at around 6:05 AM. This flight is operated by Southwest Airlines and is part of a seasonal service active in October. An early start can help you make the most of your time in Tulsa. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Islip, NY (ISP-MacArthur) to Tulsa, OK (TUL-Tulsa Intl.)?
a Friday typically has the most flights from MacArthur (ISP) to Tulsa Intl. (TUL), with approximately 7 flights available. This gives you plenty of options for your travel plans.
What are the most popular departure times for flights from Islip, NY (ISP-MacArthur) to Tulsa, OK (TUL-Tulsa Intl.)?
The most popular departure times for flights from Islip, NY (ISP-MacArthur) to Tulsa, OK (TUL-Tulsa Intl.) are in the early morning, from 6am to 9am. About 82% of passengers prefer this time window. Many major carriers, including Southwest Airlines, offer flights during this window. This timing works well because it allows you to start your day early and arrive in Tulsa with plenty of time to enjoy your day.
How long does it take to fly from Islip, NY (ISP-MacArthur) to Tulsa, OK (TUL-Tulsa Intl.)?
Flights from ISP to TUL with one stop typically take around 11 hours 20 minutes, covering approximately 1,269 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Islip, NY (ISP-MacArthur) to Tulsa, OK (TUL-Tulsa Intl.)?
Select the "Business class" and "First class" filters when looking for ISP to TUL flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Islip, NY (ISP-MacArthur) to Tulsa, OK (TUL-Tulsa Intl.) flight with Expedia?
It's easy to earn miles on a Islip, NY (ISP-MacArthur) to Tulsa, OK (TUL-Tulsa Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Tulsa from MacArthur (ISP)?
From MacArthur (ISP), you can fly into Tulsa Intl. (TUL) to reach Tulsa. Some flights may connect through major hubs like Baltimore Washington Intl. Thurgood Marshall (BWI), Orlando Intl. (MCO), Logan Intl. (BOS) before reaching Tulsa. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Islip, NY (ISP-MacArthur) to Tulsa, OK (TUL-Tulsa Intl.) at the last minute?
Typically, booking a last minute flight from Islip, NY (ISP-MacArthur) to Tulsa, OK (TUL-Tulsa Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Islip, NY (ISP-MacArthur) to Tulsa, OK (TUL-Tulsa Intl.) flight and hotel package?
Securing a Islip, NY (ISP-MacArthur) to Tulsa, OK (TUL-Tulsa Intl.) Tulsa Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Islip, NY (ISP-MacArthur) to Tulsa, OK (TUL-Tulsa Intl.)?
If you booked your Islip, NY (ISP-MacArthur) to Tulsa, OK (TUL-Tulsa Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
MacArthur
Destination airport
Tulsa Intl.
Roundtrip price
$419
Distance
1268 mi

Book with confidence

Islip to Tulsa Flights

The cheapest times to fly from Islip to Tulsa

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Islip to Tulsa are during the month of April. You can find some of the cheapest flights from Islip to Tulsa with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Islip to Tulsa

Sunday is one of the best days to book for cheap flights from Islip to Tulsa: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Islip to Tulsa

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Islip to Tulsa in 2026. You can also book with separate airlines for your outbound and return journeys, from $215 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Islip to Tulsa flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Islip to Tulsa airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Islip to Tulsa Flights

*Flight schedules are subject to change.

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*Available to One Key members.