Super cheap flights from Boston to Barcelona or Madrid, Spain from only $300 roundtrip with Air Canada.
Or fly during the summer from $327 roundtrip.
The non-summer example dates for Boston to Barcelona listed below range between $300 and $314 roundtrip.
Availability from August to October 2017
Boston – Barcelona: $300-$314
23rd Sep – 2nd Oct
24th Sep – 3rd Oct
26th Sep – 5th Oct
Summer dates are available between $327 and $334 roundtrip:
Boston – Madrid: $318
26th Sep – 4th Oct
Summer dates are available for $346 roundtrip:
Allow the Momondo search to complete then proceed to book with the OTA of your choice: