Explore Air Canada flights from Boston to Costa Rica from USD 172*
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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
Liberia, Costa Rica (LIR) Jun 27, 2026
From
USD 282
One-way
Economy
Boston (BOS)to
Liberia, Costa Rica (LIR) Jun 26, 2026
From
USD 352
One-way
Economy
Boston (BOS)to
San José, Costa Rica (SJO) Feb 20, 2026
From
USD 172
One-way
Economy
Boston (BOS)to
San José, Costa Rica (SJO) Feb 22, 2026
From
USD 172
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) | Liberia, Costa Rica (LIR) | One-way / Economy | Jun 27, 2026 | From USD 282 Viewed: 15 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.