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Baton Rouge

$1,137+ Cheap flights from Islip, NY to Baton Rouge (ISP - BTR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BTR
Aug 10 — Aug 171
Mon 8/10
Mon 8/17
1 adult, Economy
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Cheap flight deals from Islip to Baton Rouge

Cheapest flights from Islip to Baton Rouge
Explore the most affordable flight options available from Islip to Baton Rouge. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2026.

This United deal was found by Cheapflights users on 7/6. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:16 pm
ISP
-
BTR
2 stops26h 14m
Multiple Airlines
Mon 9/144:10 pm
BTR
-
ISP
2 stops24h 31m
Multiple Airlines
Deal found 7/6$1,137

Find flight deals from Islip to Baton Rouge

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Baton Rouge (BTR). 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 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,137
(United)

Popular in

November

Cheapest in

January

Average price

$393
Provider with most accurate pricing for Islip Long Island-Baton Rouge Ryan flight deals.
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Provider most trusted by Cheapflights users for Islip Long Island-Baton Rouge Ryan flights.
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From Islip Long Island to Baton Rouge Ryan
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($12 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
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Baton Rouge 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 11, 2026.
Use the filters below to find and compare flights from Islip to Baton Rouge that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

IslipBaton Rouge

ISP - BTR

ISPBTR

Islip Long Island

Thu 9/10

2:16 pm-3:30 pm

2 stops26h 14m

Baton Rouge Ryan

Mon 9/14

4:10 pm-5:41 pm

2 stops24h 31m

$1,137

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

Sorted by cheapest first

Compare providers for flights from Islip to Baton Rouge

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 Baton Rouge 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-Baton Rouge 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-Baton Rouge flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Baton Rouge flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-Baton Rouge 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-Baton Rouge 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 Baton Rouge

Have a flexible travel schedule? Discover the best time to fly to Baton Rouge 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 Baton Rouge. 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 Baton Rouge that include hotel bookings?

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

  • How can I find direct flights from Islip to Baton Rouge?

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

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

    Yes. Cheapflights offers flight deals from Islip to Baton Rouge 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 Baton Rouge?

Book flights to Baton Rouge if you plan to visit one of these locations
McComb
Saint Francisville
Denham Springs

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