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Get United's best fares today on flights from Philadelphia to St. Thomas from *

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FromToDatesFare TypePrice

Philadelphia (PHL)

St. Thomas (STT)

Depart: 02/05/20

Return: 02/12/20

Roundtrip
from
$487*
Viewed:6hoursago

Philadelphia (PHL)

St. Thomas (STT)

Depart: 02/04/20

Return: 02/11/20

Roundtrip
from
$527*
Viewed:6hoursago

Philadelphia (PHL)

St. Thomas (STT)

Depart: 02/07/20

Return: 02/14/20

Roundtrip
from
$546*
Viewed:6hoursago

Philadelphia (PHL)

St. Thomas (STT)

Depart: 02/25/20

Return: 03/03/20

Roundtrip
from
$585*
Viewed:6hoursago

Philadelphia (PHL)

St. Thomas (STT)

Depart: 02/08/20

Return: 02/15/20

Roundtrip
from
$602*
Viewed:6hoursago

Philadelphia (PHL)

St. Thomas (STT)

Depart: 02/04/20

Return: 02/18/20

Roundtrip
from
$612*
Viewed:6hoursago

Philadelphia (PHL)

St. Thomas (STT)

Depart: 04/18/20

Return: 05/02/20

Roundtrip
from
$615*
Viewed:6hoursago

Philadelphia (PHL)

St. Thomas (STT)

Depart: 02/19/20

Return: 02/26/20

Roundtrip
from
$623*
Viewed:6hoursago

Philadelphia (PHL)

St. Thomas (STT)

Depart: 02/12/20

Return: 02/26/20

Roundtrip
from
$628*
Viewed:6hoursago

Philadelphia (PHL)

St. Thomas (STT)

Depart: 02/18/20

Return: 03/03/20

Roundtrip
from
$632*
Viewed:6hoursago

*Prices have been available for round trips within the last 48 hours and may not be currently available. Fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply.

Weather in St. Thomas

Wednesday sky is clear
78°F 01/29/20
Thursday sky is clear
78°F 01/30/20
Friday light rain
78°F 01/31/20
Saturday light rain
78°F 02/01/20
Sunday sky is clear
78°F 02/02/20
Monday sky is clear
78°F 02/03/20
Tuesday light rain
78°F 02/04/20
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