How to find the cheapest flight from
Boston (BOS) to Barcelona (BCN)
What is the cheapest day to fly round-trip from Boston to Barcelona?
Travelers have found that booking a Monday departure is the best way to save up to 44% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.
One-way flights to Barcelona from Boston
The cheapest one-way flights from Boston to Barcelona
2:05 am - 6:35 am
7:50 pm - 12:45 pm
TAP AIR PORTUGAL
Related info for your journey
Useful info, stats and facts about Boston to Barcelona flights.
Destination information for Barcelona
Things to know before you go. Useful info for your trip from Boston to Barcelona