AirHint found the following cheapest return flights from Bilbao (BIO) to San Jose (SJO) in July 2026 (see full year).

Return flights

24 Jul - 12 Aug	Avianca
10 Jul - 31 Jul	Air Europa
03 Jul - 19 Jul	Iberia
06 Jul - 19 Jul	Iberia
06 Jul - 21 Jul	Iberia
03 Jul - 26 Jul	Iberia
03 Jul - 20 Jul	Iberia
07 Jul - 26 Jul	Iberia
05 Jul - 20 Jul	Iberia
10 Jul - 20 Aug	Air Europa
16 Jul - 30 Jul	Air Europa
13 Jul - 23 Aug	Iberia

Also check the deals for one-way flights from Bilbao to San Jose in July.

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 Jose

Cheap car rent in San Jose

Cheapest return flights from Bilbao to San Jose in July from 869€

Return flights