Cheapest return flights from Seattle to San Juan in November from 321€

AirHint found the following cheapest return flights from Seattle (SEA) to San Juan (SJU) in November 2025 (see full year).

Return flights

11 Nov - 20 Nov United
19 Nov - 23 Nov United
21 Nov - 26 Nov United
27 Nov - 30 Nov Alaska Airlines

Also check the deals for one-way flights from Seattle to San Juan in November.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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