Cheapest return flights from Seattle to San Juan in November from $363

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

Return flights

08 Nov - 11 Nov American Airlines
15 Nov - 20 Nov American Airlines
10 Nov - 13 Nov American Airlines
18 Nov - 18 Dec United
07 Nov - 11 Nov American Airlines
07 Nov - 24 Nov Sun Country Airlines
27 Nov - 01 Dec WestJet

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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

Feel free to contact us with any feedback or request another flight research.