Cheapest one-way flights from San Jose to Barcelona in September from $431

Best time to book flights for San Jose (SJC) to Barcelona (BCN) flights at AirHint

AirHint found the following cheapest one-way flights from San Jose (SJC) to Barcelona (BCN) in September 2025 (see full year).

One-Way flights

28 Sep Alaska Airlines
20 Sep Iberia
27 Sep Lufthansa
15 Sep Iberia

Also check the deals for return flights from San Jose to Barcelona in September.

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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