How much is a flight from Saint Louis to San Juan?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Saint Louis and San Juan.

Pick a travel date to see today’s available fares.

Fares change often — checking several times throughout the week can make a big difference. Booking in advance often means access to lower prices for the Saint Louis - San Juan route.

Which departure and arrival airports are available?

Between Saint Louis and San Juan, flight options may depend on the combination of airports available.

• Airports in Saint Louis: Only Saint Louis - Lambert is currently in operation.
• Airports in San Juan: Another alternative is Isla Grande.

Sometimes flying into a nearby city can be more cost-effective. When a city has multiple airports, it’s worth comparing different flight combinations.

Flight filters for the route Saint Louis – San Juan

Customize your search on Jetcost to focus only on flights that suit your needs. Whether you want a direct connection, specific airline, or shorter layover, filters help you find it faster.

Other popular destinations

Flights to Puerto Rico are often searched alongside: Aguadilla, Culebra Airport, Mayaguez, Ponce, San Juan.

The cheapest flights might leave at odd hours or arrive at less central airports — keep that in mind. If you travel often, you can always select your trusted airlines from the available options.