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Corpus Christi

$577+ Cheap flights from Islip, NY to Corpus Christi (ISP - CRP)

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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — CRP
Mar 23 — Mar 301
Mon 3/23
Mon 3/30
1 adult, Economy
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Cheap flight deals from Islip to Corpus Christi

Cheapest flights from Islip to Corpus Christi
Explore the most affordable flight options available from Islip to Corpus Christi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 21, 2026.

This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/612:15 pm
ISP
-
CRP
2 stops12h 20m
Southwest
Tue 3/106:15 am
CRP
-
ISP
2 stops8h 50m
Southwest
Deal found 2/19$577

Find flight deals from Islip to Corpus Christi

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Corpus Christi (CRP). 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 February 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$577
(Southwest)

Popular in

October

Cheapest in

June

Average price

$473
Provider with most accurate pricing for Islip Long Island-Corpus Christi flight deals.
Search Deals
Provider most trusted by Cheapflights users for Islip Long Island-Corpus Christi flights.
Search Deals
From Islip Long Island to Corpus Christi
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Corpus Christi 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 21, 2026.
Use the filters below to find and compare flights from Islip to Corpus Christi that are best for you.

Fly from

Islip

Fly to

Corpus Christi

Route

Depart

Return

Price

IslipCorpus Christi

ISP - CRP

ISPCRP

Islip Long Island

Fri 3/6

12:15 pm-11:35 pm

2 stops12h 20m

Corpus Christi

Tue 3/10

6:15 am-4:05 pm

2 stops8h 50m

$577

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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

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

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

Currently, May is the cheapest month in which you can book a flight from Islip, New York to Corpus Christi (average of $228). Flying from Islip, New York to Corpus Christi in December is currently the most expensive (average of $866). 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 Corpus Christi. 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 Corpus Christi?

    Southwest can get you from Islip, New York to Corpus Christi in just under 12h 20m. Your travel time can differ by up to . Islip, New York and Corpus Christi are separated by a distance of 1648 mi.

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

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

  • How can I find direct flights from Islip to Corpus Christi?

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

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

    Yes. Cheapflights offers flight deals from Islip to Corpus Christi 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 Corpus Christi?

    Currently, May is the cheapest month in which you can book a flight from Islip, New York to Corpus Christi (average of $228). Flying from Islip, New York to Corpus Christi in December is currently the most expensive (average of $866). 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 Corpus Christi?

Book flights to Corpus Christi if you plan to visit one of these locations
Rockport
Aransas Pass

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