Flights from Boston to Madrid

Trip type

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
03/29/26
1 Stopover (ZRH)
LX0055, LX2032
19h 20min
Return
04/22/26
1 Stopover (ZRH)
LX2033, LX0054
25h 40min
Swiss International Air Lines ?
$496
Best option
Boston
Madrid
Outbound
05/16/26
direct
BA4200
07h 10min
Return
05/29/26
direct
BA4263
08h 20min
British Airways ?
$529
found 3 days ago
Boston
Madrid
Please note: transfer for connecting flight
Outbound
03/28/26
3 Stopovers (YUL, YHZ, LHR, STN)
AC8603, AC2044, AC0868, FR0347
23h 35min
Return
04/25/26
3 Stopovers (DUB, YYZ, YUL)
FR0494, WS0047, AC0430, AC0748
44h 19min
Air Canada, Ryanair
$790
Boston
Madrid
Outbound
04/03/26
2 Stopovers (JFK, FRA)
B60217, DE2017, UX1502
23h 10min
Return
04/16/26
2 Stopovers (FRA, JFK)
UX1503, DE2016, B61118
23h 09min
JetBlue Airways, Condor, Air Europa Lineas Aereas
$870
Boston
Madrid
Outbound
04/03/26
1 Stopover (LIS)
TP0218, TP1012
12h 35min
Return
04/16/26
1 Stopover (LIS)
TP1023, TP0215
19h 05min
TAP Air Portugal
$508
Boston
Madrid
Outbound
04/03/26
1 Stopover (LIS)
TP0216, TP1016
12h 15min
Return
04/16/26
1 Stopover (LIS)
TP1011, TP0215
15h 40min
TAP Air Portugal
$514
Boston
Madrid
Outbound
04/03/26
1 Stopover (LIS)
TP0216, TP1014
10h 35min
Return
04/16/26
1 Stopover (LIS)
TP1015, TP0215
10h 25min
TAP Air Portugal ?
$515
Boston
Madrid
Outbound
04/03/26
1 Stopover (LIS)
TP0218, TP1012
12h 35min
Return
04/16/26
1 Stopover (LIS)
TP1023, TP0215
19h 05min
TAP Air Portugal
$516
Boston
Madrid
Outbound
05/16/26
1 Stopover (YUL)
AC8611, AC0834
30h 00min
Return
05/29/26
1 Stopover (MUC)
LH4165, LH0424
16h 40min
Air Canada
$519
found 3 days ago
Boston
Madrid
Outbound
05/16/26
1 Stopover (YUL)
AC8611, AC0834
30h 00min
Return
05/29/26
1 Stopover (YUL)
AC0835, AC0750
32h 02min
Air Canada
$523
found 3 days ago
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 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 $ 495,23
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