$86 Cheap flight deals from St. Louis (STL) to Islip (NYC)

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This Weekend's Flight Deals from St. Louis to Islip

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 4 - Wed, Oct 8
STL
Lambert-St. Louis Intl.
JFK
John F. Kennedy Intl.
$301 Roundtrip, found 17 hours ago
$301
Roundtrip
found 17 hours ago
Select Delta flight, departing Sat, Oct 4 from Lambert-St. Louis Intl. to John F. Kennedy Intl., returning Wed, Oct 8, priced at $301 found 17 hours ago

Airfares from $86 One Way, $169 Round Trip from St. Louis to Islip

Prices starting at $169 for return flights and $86 for one-way flights to Islip were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 31 - Fri, Nov 7
STL
St. Louis
JFK
New York
$169 Roundtrip, found 1 day ago
$169
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Oct 31 from St. Louis to New York, returning Fri, Nov 7, priced at $169 found 1 day ago
Fri, Oct 31 - Mon, Nov 3
STL
St. Louis
JFK
New York
$172 Roundtrip, found 15 hours ago
$172
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Fri, Oct 31 from St. Louis to New York, returning Mon, Nov 3, priced at $172 found 15 hours ago
Mon, Oct 13 - Thu, Oct 30
STL
St. Louis
JFK
New York
$187 Roundtrip, found 1 day ago
$187
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Oct 13 from St. Louis to New York, returning Thu, Oct 30, priced at $187 found 1 day ago
Mon, Oct 13 - Sat, Oct 18
STL
St. Louis
JFK
New York
$190 Roundtrip, found 12 hours ago
$190
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Mon, Oct 13 from St. Louis to New York, returning Sat, Oct 18, priced at $190 found 12 hours ago
Mon, Oct 6 - Sun, Oct 12
STL
St. Louis
JFK
New York
$193 Roundtrip, found 3 days ago
$193
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Oct 6 from St. Louis to New York, returning Sun, Oct 12, priced at $193 found 3 days ago

Islip economy flight packages

Price found within the past 48 hours. Click for updated prices.
La Quinta Inn & Suites by Wyndham Islip - MacArthur Airport
3.0-star property

La Quinta Inn & Suites by Wyndham Islip - MacArthur Airport

6.8/10 (1,348 reviews)

Nov 2 - Nov 7

5 night stay

St. Louis (STL) to Islip (ISP)

Southwest Airlines • Coach

Islip (ISP) to St. Louis (STL)

Frontier Airlines • Coach
Price was $595, price is now $461 per person
$461
per person
found 1 day ago
Property could use some updating. The door locks/key cards take multiple anttempts to unlock the room. Other than that, it was clean.

Reviewed on Sep 17, 2025

Marriott Melville Long Island
3.5-star property

Marriott Melville Long Island

8.6/10 Excellent! (1,004 reviews)

Nov 9 - Nov 12

3 night stay

St. Louis (STL) to Islip (ISP)

American Airlines • Non-stop roundtrip • Coach
Price was $825, price is now $785 per person
$785
per person
found 1 day ago
The lady who checked me on Friday was very friendly and welcoming. I don’t remember her name but I know she was African American. She was superb! Now let’s talk about the hotel it’s self. My room was very dirty smelled like cigarettes and the carpet was brown but u can see that it’s filthy. My sheets and pillow cases were dirty. Marriott for $922 for a room this dirty is crazy. Thank God I had Lysol wipes with me. I left before my check out day I just couldn’t sleep in a room like this anymore. You need to do better Marriott. I would not recommend this hotel and I will never stay there again.

Reviewed on Aug 25, 2025

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More About Flying To Islip from St. Louis

Route Information for Flights from St. Louis to Islip

Origin Airport IATA Code
STL
Destination Airport IATA Code
NYC
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

St. Louis to Islip

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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.