AirHint found the following cheapest one-way flights from San Francisco (SFO) to Barcelona (BCN) in March 2026 (see full year).
One-Way flights
| 29 Mar | LEVEL | direct | |
| 04 Mar | Air Canada | ||
| 01 Mar | Frontier Airlines | ||
| 03 Mar | Austrian Airlines | ||
| 15 Mar | Austrian Airlines | ||
| 08 Mar | Lufthansa | ||
| 22 Mar | SWISS | ||
| 25 Mar | Lufthansa | ||
| 16 Mar | SWISS | ||
| 10 Mar | SWISS |
Also check the deals for return flights from San Francisco to Barcelona in March.
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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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