Flights from Philadelphia (PHL) To St. Thomas (STT) With Spirit From $112*

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Find Spirit Low Fare Flights From Philadelphia (PHL) To St. Thomas (STT)

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From
To
Fare Type
Dates
Price
Philadelphia (PHL)St. Thomas (STT)One Way
/
Economy		Depart 07/13/2026

Fares From

$299

Viewed 1 day ago

Philadelphia (PHL)St. Thomas (STT)One Way
/
Economy		Depart 04/14/2026

Fares From

$118

Viewed 3 hours ago

Philadelphia (PHL)St. Thomas (STT)One Way
/
Economy		Depart 04/22/2026

Fares From

$169

Viewed 3 hours ago

Philadelphia (PHL)St. Thomas (STT)One Way
/
Economy		Depart 07/08/2026

Fares From

$196

Viewed 7 hours ago

Philadelphia (PHL)St. Thomas (STT)One Way
/
Economy		Depart 04/17/2026

Fares From

$236

Viewed 11 mins ago

Philadelphia (PHL)St. Thomas (STT)One Way
/
Economy		Depart 06/13/2026

Fares From

$349

Viewed 3 hours ago

Philadelphia (PHL)St. Thomas (STT)One Way
/
Economy		Depart 04/01/2026

Fares From

$386

Viewed 1 hour ago

Philadelphia (PHL)St. Thomas (STT)One Way
/
Economy		Depart 04/13/2026

Fares From

$112

Viewed 1 day ago

Philadelphia (PHL)St. Thomas (STT)One Way
/
Economy		Depart 04/15/2026

Fares From

$164

Viewed 16 hours ago

Philadelphia (PHL)St. Thomas (STT)One Way
/
Economy		Depart 04/10/2026

Fares From

$168

Viewed 1 day ago

Philadelphia (PHL)St. Thomas (STT)One Way
/
Economy		Depart 04/26/2026

Fares From

$177

Viewed 1 day ago

Philadelphia (PHL)St. Thomas (STT)One Way
/
Economy		Depart 06/19/2026

Fares From

$179

Viewed 22 hours ago

Philadelphia (PHL)St. Thomas (STT)One Way
/
Economy		Depart 04/16/2026

Fares From

$206

Viewed 1 day ago

Philadelphia (PHL)St. Thomas (STT)One Way
/
Economy		Depart 05/24/2026

Fares From

$234

Viewed 1 day ago

Philadelphia (PHL)St. Thomas (STT)One Way
/
Economy		Depart 04/24/2026

Fares From

$237

Viewed 22 hours ago

Philadelphia (PHL)St. Thomas (STT)One Way
/
Economy		Depart 06/08/2026

Fares From

$239

Viewed 20 hours ago

Philadelphia (PHL)St. Thomas (STT)One Way
/
Economy		Depart 04/25/2026

Fares From

$411

Viewed 1 day ago

*One-way fares displayed have been collected within the last 48 hours and may no longer be available at the time of booking. Additional baggage fees and fees for other services may apply. Other terms and conditions may apply.

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Find Fares from Philadelphia to St. Thomas

Try alternate month or interact with individual days below in order to find offers.
Mar 2026
No result for this month.
Apr 2026
From$112*
Viewed 1 day ago
Flight Type One Way/Economy
May 2026
From$234*
Viewed 1 day ago
Flight Type One Way/Economy
$112
$411
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    • Range$112-$411

    *Fares presented below are available at the beginning of each day, but may sell out. Additional baggage fees and fees for other services may apply. Other terms and conditions may apply.