Flights from Boston to Madrid

Our cheapest offers for flights from Boston to Madrid

Here you can compare cheap flights from Boston (BOS) to Madrid (MAD) 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 Madrid. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Boston
Madrid
Outbound
09/23/25
1 Stopover (YUL)
AC8603, AC0834
18h 40min
Return
09/30/25
1 Stopover (ZRH)
LX2021, LX0052
15h 50min
Air Canada
$320
Best option
Boston
Madrid
Outbound
09/23/25
direct
BA4200
07h 10min
Return
09/30/25
direct
BA4263
08h 20min
British Airways ?
$325
Boston
Madrid
Outbound
09/23/25
1 Stopover (FRA)
DE2039, UX1502
15h 40min
Return
09/30/25
1 Stopover (FRA)
UX1503, DE2038
12h 50min
Condor, Air Europa Lineas Aereas
$638
Boston
Madrid
Outbound
09/23/25
direct
AY5370
07h 10min
Return
09/30/25
direct
AY5369
08h 20min
Finnair
$325
Boston
Madrid
Outbound
09/23/25
1 Stopover (YUL)
AC0751, AC0834
14h 20min
Return
09/30/25
1 Stopover (YUL)
AC0835, AC0750
31h 46min
Air Canada
$325
Boston
Madrid
Outbound
11/03/25
direct
BA4200
07h 00min
Return
11/12/25
direct
BA4263
08h 45min
British Airways ?
$326
Boston
Madrid
Outbound
09/23/25
1 Stopover (YUL)
UA8443, UA8464
14h 20min
Return
09/30/25
1 Stopover (YUL)
UA8463, UA8122
31h 46min
United Airlines ?
$327
Boston
Madrid
Outbound
11/03/25
direct
IB0346
07h 00min
Return
11/12/25
direct
IB0345
08h 45min
Iberia
$329
Boston
Madrid
Outbound
11/03/25
direct
AY5370
07h 00min
Return
11/12/25
direct
AY5369
08h 45min
Finnair
$335
Boston
Madrid
Outbound
11/03/25
direct
IB0348
07h 00min
Return
11/12/25
direct
IB0345
08h 45min
Iberia ?
$336
Prices based on recent searches, subject to last-minute changes
Page 1 / 4

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

Favorite airline: TAP Portugal
TAP Portugal is the most popular airline for flights from Boston to Madrid.
TAP Portugal
27 %
Iberia
10 %
Play
10 %
Direct flights are more expensive
On this route, direct flights are $136.00 more expensive than flights with a stopover.
non stop flight
1 stop
2 stops
07h 00min
20h 10min
18h 25min
$ 492
$ 356
$ 633
Favourite connection: via Lisbon
52 % of booked tickets on this route are for flights with a transfer in Lisbon.
Route
bookings
1 stopover Lisbon
12h 15min, from $ 396
52 %
1 stopover Reykjavik-Keflavik International
20h 10min, from $ 356
19 %
Direct flights
07h 00min, from $ 492
14 %

Important flight information

Flight information: Boston - Madrid

Roundtrip from $ 319,20
Flight duration min. 06:45
Return flight duration min. 07:55
Distance 5479 km
Flights per week 4
Departure airport Airport Boston Logan International Airport, MA (BOS)
Arrival airport Airport Madrid-Barajas (MAD)
Destination country Flights to Spain
Alternative routes to Spain
Alternative flights to Madrid
Flight destinations with a similar price
Flight destinations with a similar price