How much is a flight from San Antonio to San Juan?

There’s no fixed price — fares between San Antonio and San Juan can vary a lot by day or time.

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

Flying during the week can be more affordable, as weekend flights tend to be pricier. Also consider demand and availability: the last remaining seats often come at higher fares!

Which airports serve San Antonio and San Juan?

When planning a trip of about 3507 km, it's a good idea to check flights from surrounding airports too.

• Airports in San Antonio: San Antonio is the only operational airport in the area.
• Airports in San Juan: Another nearby option is Isla Grande.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Adjust your flight filters for San Antonio – San Juan

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from the best travel agencies and carriers.

Other popular destinations

Planning a trip to Puerto Rico? These cities are popular too: Aguadilla, Culebra Airport, Mayaguez, Ponce, San Juan.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.