Cheap flights from Barcelona to San Diego
Cheapest current fares: $678 in June 2026 on connecting flights.
Cheapest month-by-month fares
Lowest available fare per calendar month from Barcelona (BCN) to San Diego (SAN). Refreshed daily.
Barcelona (BCN) → San Diego (SAN)
- June 2026 $678
Frequently asked questions
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What is the cheapest month to fly from Barcelona to San Diego?
Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Barcelona (BCN) to San Diego (SAN), with fares starting from $678.
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What is the lowest current fare from BCN to SAN?
The lowest currently-listed fare from Barcelona (BCN) to San Diego (SAN) is $678 on 2026-06-25.
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Is there a direct flight from Barcelona to San Diego?
There is currently no non-stop service from BCN to SAN. Most travellers connect through a hub airport. See our route page for current stopover options.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.