$626 Cheap United flights St. Thomas (STT) to Philadelphia (PHL)

View $626 flight on Fri, Jan 16, 2026Opens in a new window

$626 Cheap United flights St. Thomas (STT) to Philadelphia (PHL)

Prices were available within the past 7 days and start at $626 for one-way flights and $1,028 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Jan 14 - Sun, Jan 18
STT
St. Thomas
PHL
Philadelphia
$1,028 Roundtrip, found 15 hours ago
$1,028
Roundtrip
found 15 hours ago
Select United flight, departing Wed, Jan 14 from St. Thomas to Philadelphia, returning Sun, Jan 18, priced at $1,028 found 15 hours ago

Find the cheapest month to fly from St. Thomas (STT) to Philadelphia (PHL)

February is typically the cheapest month to fly

From $169 - $571 per traveler.

Alternative airports near Philadelphia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Philadelphia Intl. PHL. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $315
PHL
Philadelphia Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $315
Flights from St. Thomas (STT) to Philadelphia (PHL)
Origin airport
Cyril E. King
Destination airport
Philadelphia Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, Spirit Airlines, United
Popular airline
American Airlines
Distance
2575 km
Average flight time
3 hours 15 mins