Flights from Boston, MA to Costa Rica
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Best Flight Deals from Boston, MA to Costa Rica
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Boston, MA (BOS)To
San Jose, CR (SJO)Departing Dec 24, 2026
From
$766
Last seen: 21 hours ago
One-way
Discount Den Basic Fare
*Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.
Flights Deals from Boston, MA to Costa Rica on Frontier
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From | To | |||
|---|---|---|---|---|
| Boston, MA (BOS) | San Jose, CR (SJO) | One-way / Discount Den Basic Fare | Departing Dec 24, 2026 | From $766 Last seen: 21 hours ago |
*Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.