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
11/09/25
1 Stopover (KEF)
FI0634, FI0596
19h 45min
Return
12/07/25
1 Stopover (KEF)
FI0597, FI0631
12h 00min
Icelandair
$357
Best option
Boston
Barcelona
Outbound
11/09/25
1 Stopover (KEF)
FI0630, FI0596
11h 30min
Return
12/07/25
1 Stopover (KEF)
FI0597, FI0631
12h 00min
Icelandair
$390
Boston
Barcelona
Outbound
11/09/25
1 Stopover (KEF)
FI0634, FI0596
19h 45min
Return
12/07/25
1 Stopover (KEF)
FI0597, FI0631
12h 00min
Icelandair
$359
Boston
Barcelona
Outbound
11/09/25
1 Stopover (KEF)
FI0634, FI0596
19h 45min
Return
12/07/25
1 Stopover (KEF)
FI0597, FI0631
12h 00min
Icelandair ?
$376
Boston
Barcelona
Outbound
11/12/25
1 Stopover (ZRH)
LX0053, LX1954
10h 15min
Return
12/10/25
1 Stopover (ZRH)
LX1953, LX0052
16h 25min
Swiss International Air Lines ?
$393
Boston
Barcelona
Outbound
11/09/25
1 Stopover (KEF)
FI0630, FI0596
11h 30min
Return
12/07/25
1 Stopover (KEF)
FI0597, FI0631
12h 00min
Icelandair
$408
Boston
Barcelona
Outbound
11/09/25
1 Stopover (YUL)
UA8483, UA8674
11h 55min
Return
12/07/25
1 Stopover (ZRH)
LX1955, LX0052
11h 25min
United Airlines ?
$413
Boston
Barcelona
Outbound
11/09/25
1 Stopover (DUB)
EI0136, EI0564
17h 05min
Return
12/07/25
1 Stopover (DUB)
EI0563, EI0137
13h 25min
Aer Lingus Irish Airlines ?
$413
Boston
Barcelona
Outbound
11/09/25
1 Stopover (DUB)
EI0136, EI0564
17h 05min
Return
12/07/25
1 Stopover (DUB)
EI0563, EI0137
13h 25min
Aer Lingus Irish Airlines ?
$434
Boston
Barcelona
Outbound
11/09/25
1 Stopover (KEF)
FI0630, FI0596
11h 30min
Return
12/07/25
1 Stopover (KEF)
FI0597, FI0631
12h 00min
Icelandair ?
$451
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 $ 356,91
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