Logan International (BOS) to Barcelona-El Prat (BCN).
| Departure | Return | Price |
|---|---|---|
| 07/09/2026 | 07/16/2026 | $587 |
| 07/15/2026 | 07/22/2026 | $587 |
| 07/15/2026 | 07/23/2026 | $587 |
| 07/16/2026 | 07/22/2026 | $587 |
| 07/16/2026 | 07/23/2026 | $587 |
| 07/22/2026 | 07/29/2026 | $587 |
| 07/22/2026 | 07/30/2026 | $587 |
| 07/23/2026 | 07/29/2026 | $587 |
| 07/23/2026 | 07/30/2026 | $587 |
| 07/29/2026 | 08/05/2026 | $587 |
Based on current fares, July is the cheapest month to fly from Boston to Barcelona, with average fares around $695 round trip (as low as $587).
See the full month-by-month and day-of-week price analysis
Best Time to Fly BOS → BCNDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Boston to Barcelona is July, with average round-trip fares around $695. Fares in July start as low as $587. The most expensive month is June, averaging $778.
A nonstop flight from Boston to Barcelona takes approximately 7h 30m.
The cheapest flight from Boston to Barcelona currently starts at $587 round trip in economy class.
The average round-trip flight price from Boston to Barcelona is $803 in economy class.
The distance is 3640 miles (5857 km). with a nonstop flight time of about 7h 30m. The lowest fare currently available is $587 departing in July. The average round-trip fare is $803.
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