Cheapest return flights from Seattle to San Juan in February from 247€

AirHint found the following cheapest return flights from Seattle (SEA) to San Juan (SJU) in February 2026 (see full year).

Return flights

02 Feb - 10 Feb Frontier Airlines
23 Feb - 04 Mar Frontier Airlines
06 Feb - 14 Feb Frontier Airlines
06 Feb - 22 Feb Frontier Airlines
07 Feb - 08 Feb Alaska Airlines
04 Feb - 13 Feb Alaska Airlines
13 Feb - 21 Feb Frontier Airlines
04 Feb - 18 Feb Alaska Airlines
11 Feb - 16 Feb Alaska Airlines
14 Feb - 21 Feb Frontier Airlines
11 Feb - 15 Feb United

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

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