Explore Air Canada flights from Boston to Costa Rica from USD 157*
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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) Apr 13, 2026
From
USD 157
One-way
Economy
Boston (BOS)to
Liberia, Costa Rica (LIR) Apr 14, 2026
From
USD 157
One-way
Economy
Boston (BOS)to
San José, Costa Rica (SJO) Jan 11, 2026
From
USD 184
One-way
Economy
Boston (BOS)to
San José, Costa Rica (SJO) Jan 09, 2026
From
USD 184
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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From | To | Fare Type | Departure | Price |
|---|---|---|---|---|
| Boston (BOS) | San José, Costa Rica (SJO) | One-way / Economy | Apr 10, 2026 | From USD 184 Viewed: 1 hour ago |
| Boston (BOS) | Liberia, Costa Rica (LIR) | One-way / Economy | Apr 13, 2026 | From USD 157 Viewed: 2 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.