Make a free Stopover in Portugal
Stay up to 10 days in Lisbon or Porto at no extra flight cost and enjoy 500+ partner offers.
Book Now
Flights from Boston to Barcelona from USD 588
expand_more
1 Passenger, Economy
expand_moreexpand_more
Promo Code
expand_moretoday
today
Flights from Boston to Barcelona
Discover the cheapest day and month to travel
expand_more
expand_more
expand_more
Try alternate month or interact with individual days below in order to find offers.
Best Flight Deals from Boston to Barcelona
flight_takeoff
flight_land
USD
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Boston (BOS) | Barcelona (BCN) | Round trip | Economy | 01/12/2026 - 06/12/2026 | From USD 588 Viewed 1 day ago | |
| Boston (BOS) | Barcelona (BCN) | Round trip | Economy | 04/11/2026 - 12/11/2026 | From USD 588 Viewed 1 day ago | |
| Boston (BOS) | Barcelona (BCN) | Round trip | Economy | 20/10/2026 - 27/10/2026 | From USD 668 Viewed 4 hours ago | |
| Boston (BOS) | Barcelona (BCN) | Round trip | Economy | 26/03/2027 - 08/04/2027 | From USD 680 Viewed 21 hours ago | |
| Boston (BOS) | Barcelona (BCN) | Round trip | Economy | 11/03/2027 - 27/03/2027 | From USD 760 Viewed 1 day ago |
*The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.
Business Flights Deals
flight_takeoff
flight_land
USD
Boston (BOS)to
Barcelona (BCN)
04/11/2026 - 12/11/2026
Round trip
Business
From
USD 4,642
Viewed 1 day ago
Boston (BOS)to
Barcelona (BCN)
20/10/2026 - 27/10/2026
Round trip
Business
From
USD 3,451
Viewed 4 hours ago
*The fares shown have been updated in the last 48 hours and may no longer be available at the time of booking. Additional fees and charges may apply for optional products and services.