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
Best option
Boston
Barcelona
Outbound
10/12/25
1 Stopover (ZRH)
LX0053, LX1954
10h 25min
Return
11/07/25
1 Stopover (ZRH)
LX1953, LX0052
16h 25min
Swiss International Air Lines ?
$503
Boston
Barcelona
Outbound
10/09/25
1 Stopover (YUL)
AC8603, AC0822
19h 50min
Return
11/05/25
1 Stopover (ZRH)
LX1957, LX0052
30h 30min
Air Canada
$512
Boston
Barcelona
Outbound
10/09/25
2 Stopovers (YYZ, YUL)
AC0767, AC0408, AC0822
19h 50min
Return
11/05/25
1 Stopover (ZRH)
LX1957, LX0052
30h 30min
Air Canada
$517
Boston
Barcelona
Outbound
10/09/25
1 Stopover (YUL)
AC8603, AC0822
19h 50min
Return
11/05/25
1 Stopover (ZRH)
LX1957, LX0052
30h 30min
Air Canada ?
$521
Boston
Barcelona
Outbound
10/09/25
1 Stopover (MUC)
UA8903, UA9295
10h 40min
Return
11/05/25
1 Stopover (ZRH)
LX1957, LX0052
30h 30min
United Airlines ?
$523
Boston
Barcelona
Outbound
10/09/25
1 Stopover (YUL)
UA8123, UA8674
19h 50min
Return
11/05/25
1 Stopover (ZRH)
LX1957, LX0052
30h 30min
United Airlines
$539
Boston
Barcelona
Outbound
10/09/25
1 Stopover (DUB)
EI0132, EI0562
10h 50min
Return
11/05/25
1 Stopover (DUB)
EI0563, EI0137
13h 25min
Aer Lingus Irish Airlines ?
$541
Boston
Barcelona
Outbound
10/09/25
1 Stopover (DUB)
EI0132, EI0562
10h 50min
Return
11/05/25
1 Stopover (DUB)
EI0563, EI0137
13h 25min
Aer Lingus Irish Airlines
$550
Boston
Barcelona
Outbound
10/09/25
1 Stopover (YUL)
AC8603, AC0822
19h 50min
Return
11/05/25
1 Stopover (ZRH)
LX1957, LX0052
30h 30min
Air Canada ?
$604
Boston
Barcelona
Outbound
10/09/25
1 Stopover (LIS)
TP0216, TP1036
14h 55min
Return
11/05/25
1 Stopover (LIS)
TP1039, TP0217
23h 25min
TAP Air Portugal
$648
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 $ 502,31
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