Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Boston to Barcelona
The cheapest flights right now
Boston – Barcelona
Outbound – Oct 16, 2026
direct
7h 5m Return – Oct 21, 2026
direct
8h 35m $632
yesterday
Boston – Barcelona
Outbound – Oct 16, 2026
direct
7h 5m Return – Oct 22, 2026
direct
8h 35m $631
today
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$603
Average price of a round trip
$649
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
7h6
A flight from Boston to Barcelona takes on average 7h6.
Best time
July
According to user searches, the ideal month to go to Barcelona is July.
The best flight deals for a week
Boston – Barcelona
Outbound – Oct 15, 2026
1 stop
9h 50m CDG
Return – Oct 22, 2026
direct
8h 30m $649
today
Boston – Barcelona
Outbound – Oct 16, 2026
direct
7h 5m Return – Oct 22, 2026
direct
8h 35m $631
today
Boston – Barcelona
Outbound – Oct 16, 2026
direct
7h 12m Return – Oct 22, 2026
direct
8h 43m $714
today
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Tips for finding a cheap flight from Boston to Barcelona
Check out our tips for booking your flight to Barcelona (Spain) from Boston (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is July, with an average flight ticket price of $417 (calculation over the last two years). The most touristic season corresponds to the months of March, April and July.
For the cheapest flights, it is advisable to buy your ticket at least 45 days before the departure date.
The airline offering the cheapest flight tickets is Icelandair. A ticket from the airline Icelandair to Barcelona costs on average $535.
The airlines that offer the most flights are Finnair, Iberia and Finnair.
Price of flight tickets from Boston to Barcelona
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $603 to $999
- The average price of a flight ticket is about $649
- Prices are lowest for stays in the month of July
- The month in which booking a ticket is cheaper is: October
info departure city :
Boston, USA
airport :
Boston-Logan International Airport (BOS)
local time :
Boston is a city in the country USA, the time zone is [[timezone]]. In Boston, it is currently {fromLocalTime}, the temperature is on average 21°C, with a minimum of 16°C and a maximum of 27°C.
The city of Boston has 1 airport(s): Boston-Logan
destination info :
Barcelona, Spain
airport :
Barcelona-El Prat International Airport (BCN)
local time :
Barcelona is in the country Spain, the time zone is [[timezone]]. In Barcelona, it is currently {toLocalTime}, the temperature is on average 29°C, with a minimum of 26°C and a maximum of 32°C.
The city of Barcelona (BCN) has 1 airport(s): Barcelona-El Prat
Useful info about Barcelona
What is the least touristic period to go to Barcelona?
If you want to visit Barcelona during the least touristic period, choose the month of July.
What is the most popular time to travel to Barcelona?
In Barcelona, the most popular month is March. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Boston to Barcelona?
According to our data, it is recommended to book your flight 45 days before your departure. If you book your flight ticket 7 weeks before your departure, you may find a price below average. The cheapest day to book a flight from Boston to Barcelona is Tuesday.
What are the arrival and destination airports when traveling between Boston and Barcelona?
When you leave, you can leave from Boston-Logan, and you will arrive at Barcelona-El Prat.
How to reach Boston airport from the city centre?
This information is not available at this time.
Are there other means of transportation to go from Boston to Barcelona?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Boston and Barcelona?
In summer, the average temperature is 24°C in Barcelona and 22°C in Boston. The average rainfall in summer is 34 mm in Barcelona and 106 mm in Boston. In summer, it is warmer in Barcelona and it rains less in Barcelona. In winter, it is colder in Barcelona and it rains more in Boston.