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
10/18/25
1 Stopover (LIS)
TP0218, TP1020
21h 15min
Return
10/24/25
1 Stopover (LIS)
TP1023, TP0217
12h 40min
TAP Air Portugal
$394
Best option
Boston
Madrid
Outbound
08/19/25
direct
AY5370
07h 10min
Return
09/02/25
direct
AY5369
08h 20min
Finnair
$504
Boston
Madrid
Outbound
08/14/25
1 Stopover (FRA)
DE2039, UX1502
15h 25min
Return
09/11/25
1 Stopover (FRA)
UX1503, DE2038
12h 55min
Condor, Air Europa Lineas Aereas
$601
Boston
Madrid
Pay attention to transfer at connecting flight
Outbound
06/07/25
1 Stopover (DUB)
EI0132, FR0495
12h 00min
Return
06/23/25
1 Stopover (DUB)
FR0011, EI0137
14h 35min
Aer Lingus Irish Airlines, Ryanair
$800
Boston
Madrid
Outbound
10/18/25
1 Stopover (LIS)
TP0216, TP1020
16h 40min
Return
10/24/25
1 Stopover (LIS)
TP1023, TP0217
12h 40min
TAP Air Portugal ?
$395
Boston
Madrid
Outbound
10/18/25
1 Stopover (LIS)
TP0218, TP1020
21h 15min
Return
10/24/25
1 Stopover (LIS)
TP1023, TP0217
12h 40min
TAP Air Portugal
$404
Boston
Madrid
Outbound
10/18/25
1 Stopover (LIS)
TP0218, TP1010
10h 05min
Return
10/24/25
1 Stopover (LIS)
TP1023, TP0217
12h 40min
TAP Air Portugal
$405
Boston
Madrid
Outbound
10/18/25
1 Stopover (LIS)
TP0218, TP1010
10h 05min
Return
10/24/25
1 Stopover (LIS)
TP1023, TP0217
12h 40min
TAP Air Portugal
$412
Boston
Madrid
Outbound
10/18/25
1 Stopover (LIS)
TP0218, TP1010
10h 05min
Return
10/24/25
1 Stopover (LIS)
TP1011, TP0215
15h 00min
TAP Air Portugal ?
$421
Boston
Madrid
Outbound
10/18/25
1 Stopover (LIS)
TP0218, TP1010
10h 05min
Return
10/24/25
1 Stopover (LIS)
TP1023, TP0217
12h 40min
TAP Air Portugal ?
$466
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 $ 393,39
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