Search flights from Saint Louis (STL) to San Juan (SJU)

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Cheapest flights to San Juan

The cheapest flights available in the next 60 days – prices are updated regularly

Flying from Saint Louis to San Juan: things to know

The most popular route is from Lambert- St.Louis International Airport in Saint Louis to Luis Munoz Marin International Airport in San Juan. On average this flight takes 7 hours 59 minutes one way and costs US$1,854 for the round trip.

Most popular route
Lambert- St.Louis International Airport (STL) to Luis Munoz Marin International Airport (SJU)
Average flight time
7 hours 59 minutes
Average round-trip price
US$1,854
Fly from Saint Louis to San Juan
5 airlines

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Airlines that fly from Saint Louis to San Juan

Airline options may vary according to recently booked flights and your search terms

  • American Airlines
  • Frontier Airlines
  • Spirit Airlines
  • Southwest Airlines
  • United Airlines

Frequently asked questions

Fly to more destinations from Saint Louis

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Flights from the United States to Puerto Rico

Flexible on where to fly from? the United States also has many flight options for Puerto Rico.

Flights to Luis Munoz Marin International Airport

Jet into this airport to explore San Juan at your leisure.

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Flights from Saint Louis to Puerto Rico

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Flights to Caribbean Islands

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Hotels in San Juan

A popular choice with visitors to Puerto Rico.