AirHint found the following cheapest one-way flights from San Diego (SAN) to Barcelona (BCN) in August 2025 (see full year).
One-Way flights
| 18 Aug | Frontier Airlines | ||
| 16 Aug | Spirit Airlines | ||
| 20 Aug | Spirit Airlines | ||
| 06 Aug | Spirit Airlines | ||
| 14 Aug | Spirit Airlines | ||
| 17 Aug | Hawaiian Airlines | ||
| 15 Aug | Spirit Airlines | ||
| 27 Aug | Frontier Airlines |
Also check the deals for return flights from San Diego to Barcelona in August.
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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