Explore Air Canada flights from Boston to Costa Rica from USD 195*
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*Fares displayed have been collected within the last 48 hours and may no longer be available at the time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.
Best fares between Boston and Costa Rica
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USD
Boston (BOS)to
San José, Costa Rica (SJO) Aug 21, 2026
From
USD 195
One-way
Economy
Boston (BOS)to
San José, Costa Rica (SJO) Aug 18, 2026
From
USD 195
One-way
Economy
Boston (BOS)to
Liberia, Costa Rica (LIR) Nov 16, 2026
From
USD 201
One-way
Economy
Boston (BOS)to
Liberia, Costa Rica (LIR) Nov 19, 2026
From
USD 201
One-way
Economy
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.
Find low fares between Boston and Costa Rica
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USD
From | To | Fare Type | Departure | Price |
|---|---|---|---|---|
| Boston (BOS) | San José, Costa Rica (SJO) | One-way / Economy | Nov 27, 2026 | From USD 306 Viewed: 1 day ago |
| Boston (BOS) | Liberia, Costa Rica (LIR) | One-way / Economy | Nov 16, 2026 | From USD 201 Viewed: 8 hours ago |
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.