San Juan (SJU) to Saint Louis (STL) flights
One airline flies nonstop from San Juan (SJU) to Saint Louis (STL): Southwest Airlines. The two airports are 2,026 miles (3,261 km) apart. There are also 31 ways to fly it with one stop, through Nashville, Atlanta and Jacksonville and more.
Airlines flying nonstop from SJU to STL
- Southwest AirlinesNot in an allianceWho books it

SJU to STL with one stop
31 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Nashville (BNA)Southwest Airlines the whole way


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





- Via Jacksonville (JAX)Frontier Airlines and JetBlue Airways, then Southwest Airlines



- Via Charlotte (CLT)American Airlines the whole way




- Via Orlando (MCO)Frontier Airlines and Southwest Airlines the whole way





- Via Punta Cana (PUJ)Frontier Airlines the whole way





- Via Raleigh/Durham (RDU)Frontier Airlines, JetBlue Airways and 1 more, then Southwest Airlines




- Via Fort Lauderdale (FLL)Southwest Airlines the whole way




- Via Tampa (TPA)Southwest Airlines the whole way




- Via Miami (MIA)American Airlines the whole way




- Via Norfolk (ORF)JetBlue Airways, then Southwest Airlines


- Via Columbus (CMH)Southwest Airlines the whole way


- Via Dulles (IAD)United Airlines the whole way



- Via Washington (DCA)JetBlue Airways, then American Airlines and Southwest Airlines



- Via Baltimore (BWI)Southwest Airlines the whole way




SJU to STL: common questions
Which airlines fly nonstop from SJU to STL?
Southwest Airlines flies nonstop from San Juan (SJU) to Saint Louis (STL).
How far is San Juan from Saint Louis by plane?
San Juan (SJU) and Saint Louis (STL) are 2,026 miles (3,261 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does SJU to STL cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SJU to STL with taxes and fees.
Where can I connect between San Juan and Saint Louis?
The most direct connections are through Nashville (BNA), Atlanta (ATL), Jacksonville (JAX), Charlotte (CLT) and Orlando (MCO). On 24 of them the same airline flies both flights, for example Southwest Airlines through Nashville.
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.