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.
When is the cheapest time to fly from Boston to Barcelona (BOS - S37)?
A simple way to save on the total cost of your ticket is to fly from Boston to Barcelona in the evening. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight at noon.
One-way flights to Barcelona from Boston
The cheapest one-way flights from Boston to Barcelona
3:45 pm - 9:00 am
TAP AIR PORTUGAL
3:45 pm - 11:00 am
3:45 pm - 6:45 am
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