Flights from Boston to Barcelona

Our cheapest offers for flights from Boston to Barcelona

Here you can compare cheap flights from Boston (BOS) to Barcelona (BCN) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Barcelona. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Boston
Barcelona
Outbound
02/13/26
2 Stopovers (YYZ, YUL)
AC8697, AC0426, AC0822
56h 40min
Return
02/26/26
1 Stopover (YUL)
AC0823, AC8608
31h 17min
Air Canada
$473
Best option
Boston
Barcelona
Outbound
04/03/26
direct
IB2626
07h 25min
Return
04/16/26
direct
IB2625
08h 35min
Iberia ?
$548
Boston
Barcelona
Outbound
02/16/26
1 Stopover (ZRH)
LX0053, LX1956
14h 50min
Return
02/26/26
1 Stopover (ZRH)
LX1955, LX0052
11h 25min
Swiss International Air Lines ?
$503
Boston
Barcelona
Outbound
04/03/26
1 Stopover (LIS)
TP0216, TP1040
20h 45min
Return
04/16/26
1 Stopover (LIS)
TP1035, TP0217
26h 55min
TAP Air Portugal
$520
Boston
Barcelona
Outbound
04/03/26
1 Stopover (LIS)
TP0216, TP1034
12h 10min
Return
04/16/26
1 Stopover (LIS)
TP1033, TP0215
11h 45min
TAP Air Portugal
$527
Boston
Barcelona
Outbound
04/03/26
1 Stopover (LIS)
TP0216, TP1040
20h 45min
Return
04/16/26
1 Stopover (LIS)
TP1035, TP0217
26h 55min
TAP Air Portugal
$529
Boston
Barcelona
Outbound
04/03/26
1 Stopover (LIS)
TP0216, TP1034
12h 10min
Return
04/16/26
1 Stopover (LIS)
TP1033, TP0215
11h 45min
TAP Air Portugal ?
$562
Boston
Barcelona
Outbound
04/03/26
direct
IB2626
07h 25min
Return
04/16/26
direct
IB2625
08h 35min
Iberia ?
$581
Boston
Barcelona
Outbound
04/03/26
1 Stopover (LIS)
TP0216, TP1034
12h 10min
Return
04/16/26
1 Stopover (LIS)
TP1041, TP0217
14h 40min
TAP Air Portugal ?
$604
Boston
Barcelona
Outbound
02/13/26
1 Stopover (ATL)
DL0900, DL0194
30h 10min
Return
02/26/26
1 Stopover (JFK, LGA)
VS3886, DL5839
13h 38min
Delta Air Lines ?
$605
Prices based on recent searches, subject to last-minute changes
Page 1 / 2

Tips and tricks to help you find cheap flights from Boston to Barcelona

Favorite airline: Vueling Airlines
41 % of bookings on this flight route are made with Vueling Airlines, TAP Portugal and Play.
Vueling Airlines
18 %
TAP Portugal
16 %
Play
7 %
Direct flights are more expensive
On this route, direct flights are $221.00 more expensive than flights with a stopover.
non stop flight
1 stop
2 stops
07h 10min
19h 55min
15h 05min
$546
$325
$641
The favorite connection is non-stop
Direct flights are especially popular on this route. 29 % of travelers will book a direct flight.
Route
bookings
Direct flights
07h 10min, from $546
29 %
1 stopover Lisbon
20h 40min, from $422
26 %
1 stopover Madrid-Barajas
09h 50min, from $476
15 %

Important flight information

Flight information: Boston - Barcelona

Roundtrip from $472.36
Flight duration min. 07:05
Return flight duration min. 08:40
Distance 5865 km
Flights per week 3
Departure airport Airport Boston Logan International Airport, MA (BOS)
Arrival airport Airport Barcelona (BCN)
Destination country Flights to Spain
Alternative routes to Spain
Alternative flights to Barcelona
Flight destinations with a similar price
Flight destinations with a similar price