San Juan, Puerto Rico
CaribbeanPuerto Rico

Cheap Flights to San Juan

Vibrant Caribbean capital with colorful colonial Old San Juan, rum culture, and El Yunque rainforest.

Expert Quick Facts: San Juan

Best Time to Visit

December to April

City Connection

Luis Muñoz Marín International Airport (SJU) is approximately 8 miles from downtown San Juan; taxis take about 20-30 minutes

Top Budget Carriers

Spirit Airlines, JetBlue

Local Currency

US Dollar (USD)

Airports Serving San Juan

SJUAirport

Get San Juan Fare Alerts

Set your target price and FlightKitten will watch SJU for economy fare drops. Get an instant email when fares match your budget.

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Routes to San Juan

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Flying Business Class to San Juan?

If you're considering business class, BusinessClassSignal.com is a dedicated tool that tracks premium cabin fares to San Juan. They monitor business & first class prices and alert you when fares drop — worth checking out if you fly up front.

Explore BusinessClassSignal.com →

How much are economy flights to San Juan in 2026?

Economy flight prices to San Juan, Puerto Rico vary significantly by departure city, season, and booking window. Fares from major US hubs to SJU typically range from $300 to $900 round-trip depending on the time of year. The cheapest fares are generally found during shoulder season — December to April. FlightKitten monitors these routes across 220+ airlines and scans twice daily, sending you an instant email alert when economy fares to San Juan drop below your target price.

How does FlightKitten track flights to San Juan?

FlightKitten is an economy fare surveillance tool that scans over 220 airlines twice daily for price drops on routes to San Juan (SJU). When you set a target price for any route — for example, New York to San Juan under $500 — FlightKitten continuously monitors that route and sends you an email alert the moment fares match your budget. Each alert includes the exact fare, airline, travel dates, and an AI-powered deal briefing that explains whether the price is historically unusual, how long similar deals have lasted in the past, and whether you should book immediately or wait. Unlike generic flight search engines, FlightKitten does not require you to manually check prices — it watches for you and pounces when the moment is right.

What airlines fly to San Juan?

Airlines serving San Juan (SJU) include Spirit Airlines, JetBlue, among others. Once you arrive, luis Muñoz Marín International Airport (SJU) is approximately 8 miles from downtown San Juan; taxis take about 20-30 minutes FlightKitten tracks fares across all these airlines simultaneously, so you never miss a deal regardless of which carrier offers the lowest price.

Looking for business class deals to San Juan? We recommend checking out BusinessClassSignal.com — a dedicated premium cabin fare tracker that's worth a look if you fly up front.