Cheapest return flights from Phoenix to San Jose in January from 274€

AirHint found the following cheapest return flights from Phoenix (PHX) to San Jose (SJO) in January 2026 (see full year).

Return flights

08 Jan - 17 Jan Frontier Airlines
21 Jan - 29 Jan Frontier Airlines
26 Jan - 13 Feb Frontier Airlines
26 Jan - 12 Feb Frontier Airlines
26 Jan - 11 Feb United
26 Jan - 10 Feb United
29 Jan - 05 Feb Southwest Airlines
05 Jan - 31 Jan Frontier Airlines
17 Jan - 21 Jan Frontier Airlines
20 Jan - 21 Jan Delta
05 Jan - 10 Jan United
05 Jan - 11 Jan United
04 Jan - 10 Jan United
04 Jan - 11 Jan Southwest Airlines

Also check the deals for one-way flights from Phoenix to San Jose in January.

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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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