Submit feedbackSubmit feedbackComplete travel information for your September journey
September is shoulder-to-green-season travel: flying from Newark Liberty International Airport (EWR) to Juan Santamaría International Airport (SJO) in September can mean fewer crowds and lower hotel rates in Costa Rica, but expect more afternoon rain, especially on the Pacific coast. Book nonstop United flights early to lock in best prices, and avoid peak departure windows during Labor Day weekend or US Open finals in New York. Use NJ Transit plus AirTrain or reserve an early taxi to minimize risk of traffic delays. If you need flexible fares, search both EWR and nearby JFK/LGA for price comparisons and set fare alerts for September departures. CTA: Search nonstop EWR to SJO September flights now to compare fares and secure seats.
In September, peak travel around Labor Day and the US Open can increase traffic, so plan extra time. The quickest options from Manhattan are NJ Transit trains to Newark Liberty International Airport Station (via Northeast Corridor) and the AirTrain connection; public transit often avoids traffic delays. Rideshares, taxis, and private shuttles are convenient but expect longer drive times during holiday weekends—book ahead to secure lower fares.
For international flights from Newark Liberty International Airport (EWR) to San José (SJO), arrive at least 2.5 to 3 hours before departure in September, especially during holiday weekends when security lines lengthen. If you need to check bags or require special assistance, add more buffer time. Doing mobile check-in and using TSA PreCheck can significantly speed up your airport experience.
Yes—airlines such as United Airlines often operate nonstop flights from Newark Liberty International Airport (EWR) to Juan Santamaría International Airport (SJO) year-round, including September. Schedules can change seasonally, so check the airline's official timetable or flight search engines for exact weekly frequencies and departure times. Booking early can help secure nonstop seats and competitive fares.
As of September, most travel-related COVID restrictions have been relaxed, but entry requirements can change—check Costa Rica's official government or tourism websites for the latest vaccination or testing guidance. Also verify airline-specific documentation rules before leaving Newark Liberty International Airport (EWR). Carry digital and printed copies of passports, vaccination cards if required, and travel insurance details.
To find cheap EWR to SJO flights in September, compare fares on meta-search engines, sign up for fare alerts, and be flexible with midweek travel dates—Tuesdays and Wednesdays often yield lower prices. Consider nearby airports (JFK or LGA) for additional options, and book 6–10 weeks in advance for the best chance at discounted fares. Use filters for nonstop vs. connecting flights to balance price and travel time.
Newark Liberty International Airport (EWR) serves the New York metropolitan area, including Manhattan (New York City), Newark, Jersey City, Hoboken, and parts of northern New Jersey; many travelers also use EWR to access Philadelphia and Stamford via ground connections. If you're flying to Costa Rica, you may combine connections from these cities to reach EWR or continue to Juan Santamaría International Airport (SJO).
September arrivals at Juan Santamaría International Airport (SJO) should plan for lush landscapes and frequent afternoon showers characteristic of Costa Rica's green season. Expect lighter tourist crowds and often better lodging rates, but book transfers and domestic flights early during Independence Day celebrations on September 15–16. If heading to Arenal, Manuel Antonio, or Guanacaste, consider private transfers or pre-booked shuttles for reliability in wet weather. CTA: Compare transfer options from SJO to your destination and book early to avoid disruptions during September festivals.
Upon arrival at Juan Santamaría International Airport (SJO), passengers typically proceed through immigration, collect checked luggage, and pass customs. September is in Costa Rica's rainy season so arrival queues can fluctuate; allow 30–90 minutes depending on flight volume. Have your passport, customs declaration (if required), and hotel reservations ready to streamline the process.
September is part of Costa Rica's green (rainy) season—expect afternoon and evening downpours, high humidity, and lush landscapes around San José and nearby regions. Morning travel is often drier, so plan excursions early in the day. Pack a lightweight rain jacket and quick-dry clothes; road transfers to coastal areas may be slower due to wet conditions.
From Juan Santamaría International Airport (SJO), options include official airport taxis, shared shuttles, private transfers, and local buses to downtown San José and nearby cities like Alajuela, Heredia, and Cartago. Shared shuttles and private transfers are often the most reliable in September's rainy conditions. Confirm shuttle reservations in advance during busy festival dates around Independence Day (mid-September).
Juan Santamaría International Airport (SJO) offers domestic connections via local carriers to destinations like Quepos/Manuel Antonio and smaller airports, though many travelers fly or drive to Liberia (LIR) for Liberia's international gateway to the Guanacaste region. In September, schedules can be reduced due to lower tourist volumes—book domestic connections in advance to secure seats.
Juan Santamaría International Airport (SJO) serves San José and Alajuela directly, and it’s a gateway to popular destinations such as Arenal/La Fortuna, Manuel Antonio, Monteverde, Jacó, Quepos, and the Guanacaste region (via ground transfers or short domestic flights). Travelers often combine SJO arrival with onward travel to Puntarenas, Cartago, or the Caribbean side (Limón) depending on itinerary.
In September, watch for tropical storms in the region—these can produce heavy rainfall and localized flooding that may affect road transfers from Juan Santamaría International Airport (SJO). Check Costa Rica's national meteorological institute and airline notifications before travel. Also note local celebrations around Independence Day (September 15–16) which can increase domestic travel demand and impact shuttle availability.
September travel between Newark Liberty International Airport (EWR) and Juan Santamaría International Airport (SJO) is influenced by several events: Labor Day weekend (first Monday in September) often increases U.S. domestic travel and airport congestion, while the US Open (late August–early September) can affect New York-area travel timing. In Costa Rica, Independence Day (September 15–16) brings local parades and increased internal travel demand, potentially impacting shuttle availability from SJO. If your schedule is flexible, avoid peak departure weekends or pre-book ground transfers and tours in Costa Rica during mid-September. CTA: Check event dates and adjust your itinerary now to avoid peak congestion on both ends.
If you want lower prices and lush scenery, September is a good time to fly from Newark Liberty International Airport (EWR) to Juan Santamaría International Airport (SJO); hotels and tours often offer discounts during Costa Rica’s green season. For drier weather and beach-focused travel, the best time is typically December through April (dry season). For balance—fewer crowds but manageable weather—consider late November or early December. CTA: Decide if you prefer savings or sunny beaches, then search EWR to SJO flights for September or alternate months now.
Choosing a nonstop flight from Newark Liberty International Airport (EWR) to Juan Santamaría International Airport (SJO) in September saves time and lowers the chance of missed connections, making nonstops ideal if you value convenience. Connecting flights—via hubs like Miami (MIA), Houston (IAH), or Panama City (PTY)—often cost less and provide more scheduling flexibility, but allow longer minimum connection times in case of delays from afternoon storms. If traveling during Costa Rica’s green season, add cushion time for transfers and consider travel insurance for tight connections. CTA: Compare nonstop and connecting itineraries for your September trip and choose the best trade-off between price and travel time.
United Airlines often operates nonstop flights from Newark Liberty International Airport (EWR) to Juan Santamaría International Airport (SJO), offering convenience and shorter travel time with full-service options such as checked baggage and inflight amenities. Avianca and Copa frequently provide competitive connecting itineraries via San Salvador or Panama City, which can be cheaper but add travel time. Low-cost alternatives may involve multi-carrier itineraries with connections in Miami or Central American hubs; these can save money but may require separate tickets and longer layovers. For September, check each airline's policies on weather-related rebooking as green-season delays can occur. CTA: Compare United, Avianca, Copa, and other carriers for September travel to pick the best balance of price, comfort, and schedule.
Pack a lightweight waterproof jacket, quick-drying clothing, and waterproof shoes for September travel to Juan Santamaría International Airport (SJO); bring insect repellent for rainforest excursions. When departing from Newark Liberty International Airport (EWR), allow extra time during Labor Day weekend and the US Open; use TSA PreCheck to streamline security. Consider refundable or flexible fares in case of weather-related disruptions during the green season, and always pre-book airport transfers to ensure timely arrival at hotels and parks. CTA: Prepare your packing list and book flexible September EWR to SJO travel options today.
Nonstop flights from Newark Liberty International Airport (EWR) to Juan Santamaría International Airport (SJO) typically take about 4 hours 50 minutes to 5 hours depending on winds. In September, some carriers maintain daily or several-times-weekly nonstop services; otherwise, common connections route through Miami (MIA), Houston (IAH), or Panama City (PTY). Early morning departures often reduce the chance of weather-related delays, while evening flights can be prone to cascading delays—especially during Northeast peak travel days. CTA: Check current timetables and book your preferred flight time for September to lock in nonstops where available.
To find cheap flights from Newark Liberty International Airport (EWR) to Juan Santamaría International Airport (SJO) in September, set fare alerts across multiple platforms and be flexible with travel days—Tuesdays and Wednesdays often offer lower fares. Compare departing from EWR, JFK, and LGA for added inventory; sometimes splitting legs (e.g., Newark to Miami then nonstop) can lower costs but increases travel time. Book 6–10 weeks out for September travel or watch flash sales from carriers like United and Copa. Consider connecting flights or red-eye options to save more, and use points or companion fares if available. CTA: Activate fare alerts and compare EWR to SJO September deals today.