Brussels Airlines Flight 3721 Deals & Information (2026/2027)

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Brussels Airlines Flight 3721 Route Deals From $75

The cheapest prices found with in the last 7 days for return flights were $126 and $75 for one-way flights to Adolfo Suárez Madrid-Barajas for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Dec 3 - Wed, Dec 9
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$126 Roundtrip, found 2 days ago
$126
Roundtrip
found 2 days ago
Select Brussels Airlines flight, departing Thu, Dec 3 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Wed, Dec 9, priced at $126 found 2 days ago
Wed, Nov 25 - Wed, Dec 2
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$136 Roundtrip, found 9 hours ago
$136
Roundtrip
found 9 hours ago
Select Brussels Airlines flight, departing Wed, Nov 25 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Wed, Dec 2, priced at $136 found 9 hours ago
Wed, Nov 25 - Wed, Dec 2
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$137 Roundtrip, found 9 hours ago
$137
Roundtrip
found 9 hours ago
Select Brussels Airlines flight, departing Wed, Nov 25 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Wed, Dec 2, priced at $137 found 9 hours ago
Tue, Dec 15 - Sat, Dec 19
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$148 Roundtrip, found 20 hours ago
$148
Roundtrip
found 20 hours ago
Select Brussels Airlines flight, departing Tue, Dec 15 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Sat, Dec 19, priced at $148 found 20 hours ago
Tue, Feb 9 - Sat, Feb 13
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$148 Roundtrip, found 16 hours ago
$148
Roundtrip
found 16 hours ago
Select Brussels Airlines flight, departing Tue, Feb 9 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Sat, Feb 13, priced at $148 found 16 hours ago
Tue, May 25 - Tue, Jun 1
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$149 Roundtrip, found 5 days ago
$149
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Tue, May 25 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Tue, Jun 1, priced at $149 found 5 days ago
Mon, Nov 16 - Fri, Nov 20
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$150 Roundtrip, found 1 day ago
$150
Roundtrip
found 1 day ago
Select Brussels Airlines flight, departing Mon, Nov 16 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Fri, Nov 20, priced at $150 found 1 day ago
Thu, Nov 26 - Wed, Dec 9
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$152 Roundtrip, found 3 days ago
$152
Roundtrip
found 3 days ago
Select Brussels Airlines flight, departing Thu, Nov 26 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Wed, Dec 9, priced at $152 found 3 days ago
Mon, Nov 16 - Fri, Nov 20
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$152 Roundtrip, found 1 day ago
$152
Roundtrip
found 1 day ago
Select Brussels Airlines flight, departing Mon, Nov 16 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Fri, Nov 20, priced at $152 found 1 day ago
Tue, May 25 - Tue, Jun 1
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$153 Roundtrip, found 5 days ago
$153
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Tue, May 25 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Tue, Jun 1, priced at $153 found 5 days ago