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
11/09/25
1 Stopover (PHL)
AA1198, AA0740
16h 36min
Return
12/07/25
direct
AA8807
08h 45min
American Airlines ?
$385
Best option
Boston
Madrid
Outbound
02/13/26
direct
AY5370
07h 00min
Return
02/26/26
direct
AY5369
08h 45min
Finnair
$761
Boston
Madrid
Please note: transfer for connecting flight
Outbound
11/09/25
1 Stopover (DUB)
EI0132, FR0010
12h 05min
Return
12/07/25
1 Stopover (DUB)
FR0011, EI0137
12h 25min
Aer Lingus Irish Airlines, Ryanair
$503
Boston
Madrid
Outbound
11/09/25
1 Stopover (LHR)
BA0212, BA0460
11h 00min
Return
12/07/25
direct
BA4263
08h 45min
British Airways ?
$393
Boston
Madrid
Outbound
11/09/25
1 Stopover (LHR)
BA0212, BA0460
11h 00min
Return
12/07/25
direct
BA4263
08h 45min
British Airways
$396
Boston
Madrid
Outbound
11/09/25
1 Stopover (JFK)
BA6504, BA4270
12h 24min
Return
12/07/25
direct
BA4263
08h 45min
British Airways
$413
Boston
Madrid
Outbound
11/09/25
1 Stopover (LHR)
BA0202, BA0456
30h 00min
Return
12/07/25
direct
BA4263
08h 45min
British Airways
$416
Boston
Madrid
Outbound
11/09/25
1 Stopover (LIS)
TP0218, TP1012
11h 15min
Return
12/07/25
1 Stopover (LIS)
TP1023, TP0217
12h 55min
TAP Air Portugal ?
$419
Boston
Madrid
Outbound
11/09/25
1 Stopover (LIS)
TP0216, TP1016
12h 25min
Return
12/07/25
1 Stopover (LIS)
TP1023, TP0215
18h 30min
TAP Air Portugal
$434
Boston
Madrid
Outbound
11/12/25
1 Stopover (ZRH)
LX0053, LX2026
29h 30min
Return
12/10/25
1 Stopover (ZRH)
LX2033, LX0052
30h 45min
Swiss International Air Lines ?
$436
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 $ 384,51
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