Explore Air Canada flights from Boston to Costa Rica from USD 158*
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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) Nov 23, 2026
From
USD 158
One-way
Economy
Boston (BOS)to
Liberia, Costa Rica (LIR) Nov 26, 2026
From
USD 158
One-way
Economy
Boston (BOS)to
San José, Costa Rica (SJO) Feb 07, 2027
From
USD 538
One-way
Economy
Boston (BOS)to
San José, Costa Rica (SJO) Feb 16, 2027
From
USD 538
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 | Nov 30, 2026 | From USD 163 Viewed: 1 day ago |
| Boston (BOS) | San José, Costa Rica (SJO) | One-way / Economy | Feb 07, 2027 | From USD 538 Viewed: 1 day 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.