Flights from Boston to Barcelona

Trip type

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
Please note: transfer for connecting flight
Outbound
05/16/26
3 Stopovers (MYR, EWR, YYZ)
NK1414, NK1020, AC1503, AC0820
34h 49min
Return
05/29/26
3 Stopovers (YUL, EWR, MYR)
AC0823, AC8492, NK1412, NK1413
35h 19min
Spirit Airlines, Air Canada
$560
Best option
Boston
Barcelona
Outbound
05/16/26
direct
IB2626
07h 20min
Return
05/29/26
direct
IB2625
08h 35min
Iberia ?
$607
Boston
Barcelona
Outbound
05/16/26
2 Stopovers (OPO, LIS)
TP0228, TP1929, TP1038
16h 35min
Return
05/29/26
1 Stopover (LIS)
TP1033, TP0215
11h 25min
TAP Air Portugal ?
$561
Boston
Barcelona
Outbound
03/31/26
1 Stopover (ZRH)
LX0053, LX1954
10h 25min
Return
04/28/26
1 Stopover (ZRH)
LX1953, LX0054
11h 30min
Swiss International Air Lines ?
$575
Boston
Barcelona
Outbound
05/16/26
2 Stopovers (OPO, LIS)
TP0228, TP1929, TP1040
20h 15min
Return
05/29/26
2 Stopovers (LIS, OPO)
TP1039, TP1920, TP0227
27h 40min
TAP Air Portugal ?
$592
Boston
Barcelona
Outbound
05/16/26
1 Stopover (YYZ)
AC0765, AC0820
32h 25min
Return
05/29/26
1 Stopover (YYZ)
AC0821, AC0764
15h 24min
Air Canada ?
$623
Boston
Barcelona
Outbound
03/28/26
1 Stopover (YYZ)
AC8697, AC0820
31h 25min
Return
04/25/26
2 Stopovers (FRA, YYZ)
AC9011, AC9105, AC8690
31h 56min
Air Canada
$634
Boston
Barcelona
Outbound
05/16/26
direct
AY5392
07h 20min
Return
05/29/26
direct
AY5391
08h 35min
Finnair
$647
Boston
Barcelona
Outbound
03/28/26
1 Stopover (YYZ)
AC8697, AC0820
31h 25min
Return
04/25/26
2 Stopovers (FRA, YYZ)
AC9011, AC9105, AC8690
31h 56min
Air Canada ?
$658
Boston
Barcelona
Outbound
05/16/26
1 Stopover (KEF)
FI0632, FI0596
11h 20min
Return
05/29/26
1 Stopover (LIS)
TP1031, TP0215
15h 00min
Icelandair
$660
Prices based on recent searches, subject to last-minute changes
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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 $559.57
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