Baltimore-Washington to Juan Santamaría
2069 miles great-circle distance, typically flown in 4h 34m with 6 airlines operating direct service from Baltimore-Washington (BWI) to Juan Santamaría (SJO). Cheapest fares are usually in January (around $249 return), with peak prices in August (around $747). Departures on a Tuesday tend to undercut weekend prices on this corridor.
Flying from Baltimore-Washington
Baltimore-Washington Thurgood Marshall is Southwest Airlines' largest East Coast hub and one of the cheapest US airports for domestic travel. The MARC Penn Line and Amtrak both serve BWI Rail Station — a 12-minute light rail shuttle ride from the terminal — with onward service to Washington Union Station in 30 minutes ($8 MARC, $20+ Amtrak). Limited international long-haul (BA to London, Condor to Frankfurt seasonally); the focus is heavy short-haul Southwest and ULCC capacity.
Arriving in San José
Juan Santamaría International serves San José, Costa Rica's capital, 17 km west of the centre. Tuasa bus runs to downtown San José for 690 CRC; taxis cost $25–$30. Fares from US Pacific and Texas hubs peak December–April (US winter demand) with cheaper rates in the May–November green season. SJO is the gateway for Manuel Antonio, Arenal and the Pacific coast resorts; LIR (Liberia) is closer to Guanacaste's Pacific beaches.
Who flies BWI to SJO?
| Airline | IATA | Flight time | Cabin |
| Southwest Airlines | WN | 4h 34m | Economy |
| Spirit Airlines | NK | 4h 34m | Economy |
| Frontier Airlines | F9 | 4h 34m | Economy |
| American Airlines | AA | 4h 34m | Economy |
| Delta Air Lines | DL | 4h 34m | Economy |
| United Airlines | UA | 4h 34m | Economy |
6 carriers fly direct on this corridor. Frequencies vary by season — summer and winter holiday peaks see additional flights.
Best time to fly BWI→SJO
Synthesised from 12-month price aggregates. Cheapest months in green, peak in red.
Estimated baseline. Prices update on a 30-day cadence as Travelpayouts data refreshes. Cheapest day-of-week typically Tuesday.
Baltimore to San José FAQs
Direct flights from Baltimore-Washington (BWI) to Juan Santamaría (SJO) take approximately 4h 34m for the 2069-mile journey, plus 30–60 minutes of taxi, climb and descent. Total airport-to-airport time depends on cruise winds and air-traffic queueing on approach.
January is typically the cheapest month on this route, with one-way fares from $249. August is the peak — expect prices 2–3× higher. Book 4–8 weeks ahead for best fares; last-minute prices on this corridor rise sharply inside two weeks of departure.
6 carriers operate direct service from Baltimore-Washington (BWI) to Juan Santamaría (SJO): Southwest Airlines, Spirit Airlines, Frontier Airlines, American Airlines, Delta Air Lines and 1 more. Frequencies vary by season and carrier — Southwest Airlines typically operates the highest weekly count on this corridor.
Visa-free for US passport holders up to 90 days. Always check travel.state.gov for the latest entry requirements before booking.
Juan Santamaría (SJO) is the primary international airport for San José. Allow 30–60 minutes for the ground transfer by train, express bus, taxi or rideshare depending on traffic and time of day. See the airport's official website for current train and shuttle timetables.