Boston (BOS) to San José (SJO) flight deal from $920 USD in business class – flightdeals.net

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United Airlines

UAUnited Airlines

Round Trip•Business Class

Logan International Airport

Boston, United States

Juan Santamaría International Airport (SJO)

San José, Costa Rica

$1,507 USD

-39%$920 USD

Verified Mar 21, 2026 at 6:20 PM

March 2026

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23 24 25 26 27 28 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21$1,125 22$1,152 23$1,152 24$1,152 25$1,162 26$1,308 27$1,199 28$1,338 29$1,227 30$1,157 31$1,400 1$1,370 2$2,076 3$1,457 4$1,387 5$1,457

Extremely Rare Availability

2% of dates checked are available within 10% of the lowest price

Tuesday, March 17th, 2026

0 round-trip options

No flight details available for this date.