Travel with Air Canada from Boston to San José, Costa Rica (BOS - SJO) from USD 376*

Promotion code

*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.

Flights between Boston and San José, Costa Rica - our lowest fares in cash

Oct 2026
FromUSD 376*
One way/Economy
Nov 2026
FromUSD 415*
One way/Economy
Dec 2026
No results found for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label USD 376
cmp-daily-histogram-bars-legend-max-price-aria-label USD 459
Displaying fares for October-2026
  • BOS–SJO: cmp-view-offers-disclaimer. Find offers
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  • BOS–SJO, Oct 24, 2026: From USD 376
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  • BOS–SJO, Oct 25, 2026: From USD 376
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  • BOS–SJO, Oct 26, 2026: From USD 376
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  • BOS–SJO, Oct 27, 2026: From USD 376
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  • BOS–SJO, Oct 28, 2026: From USD 381
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  • BOS–SJO, Oct 29, 2026: From USD 381
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  • BOS–SJO, Oct 30, 2026: From USD 412
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  • BOS–SJO, Oct 31, 2026: From USD 412
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  • BOS–SJO, Nov 01, 2026: From USD 415
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  • BOS–SJO, Nov 02, 2026: From USD 459
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  • BOS–SJO, Nov 03, 2026: From USD 459
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    • RangeUSD 376-USD 459

    *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.

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