Saint Thomas (STT) to Philadelphia (PHL) flights
One airline flies nonstop from Saint Thomas (STT) to Philadelphia (PHL): American Airlines. The two airports are 1,609 miles (2,590 km) apart. American Airlines is in oneworld. There are also 13 ways to fly it with one stop, through San Juan, Baltimore and Dulles and more.
Airlines flying nonstop from STT to PHL
- American Airlinesoneworld · bookable with 9 programsWho books it

Book STT to PHL with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Alaska Atmos RewardsBooks American Airlines
- American AAdvantageBooks American Airlines
- British Airways ClubBooks American Airlines
- Cathay Pacific Asia MilesBooks American Airlines
- Finnair PlusBooks American Airlines
- Iberia ClubBooks American Airlines
- JAL Mileage BankBooks American Airlines
- Qantas Frequent FlyerBooks American Airlines
- Qatar Airways Privilege ClubBooks American Airlines
STT to PHL with one stop
13 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via San Juan (SJU)JetBlue Airways the whole way






- Via Baltimore (BWI)Southwest Airlines the whole way


- Via Dulles (IAD)United Airlines the whole way


- Via Sint Maarten (SXM)Contour Aviation, then American AirlinesLF

- Via Santo Domingo (SDQ)Sky High Aviation Services, then American Airlines and Frontier AirlinesDO


- Via Charlotte (CLT)American Airlines the whole way



- Via Boston (BOS)Delta Air Lines the whole way




- Via Orlando (MCO)Southwest Airlines the whole way




- Via Miami (MIA)American Airlines the whole way



- Via Tampa (TPA)Breeze Airways, then American Airlines, Frontier Airlines and 1 more




- Via Atlanta (ATL)Delta Air Lines the whole way




- Via Nashville (BNA)Southwest Airlines the whole way




- Via Chicago (ORD)United Airlines and American Airlines the whole way





STT to PHL: common questions
Which airlines fly nonstop from STT to PHL?
American Airlines (oneworld) flies nonstop from Saint Thomas (STT) to Philadelphia (PHL).
How far is Saint Thomas from Philadelphia by plane?
Saint Thomas (STT) and Philadelphia (PHL) are 1,609 miles (2,590 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book STT to PHL award flights?
9 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 1 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does STT to PHL cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for STT to PHL with taxes and fees.
Where can I connect between Saint Thomas and Philadelphia?
The most direct connections are through San Juan (SJU), Baltimore (BWI), Dulles (IAD), Sint Maarten (SXM) and Santo Domingo (SDQ). On 10 of them the same airline flies both flights, for example JetBlue Airways through San Juan.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.