Brussels Airlines Flight SN3731 Deals & Information (2025/2026)

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Brussels Airlines Flight 3731 Route Deals From $88

The cheapest prices found with in the last 7 days for return flights were $124 and $88 for one-way flights to Adolfo Suárez Madrid-Barajas for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Mar 19 - Sat, Mar 21
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$124 Roundtrip, found 23 hours ago
$124
Roundtrip
found 23 hours ago
Select Brussels Airlines flight, departing Thu, Mar 19 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Sat, Mar 21, priced at $124 found 23 hours ago
Tue, Oct 21 - Wed, Oct 29
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$154 Roundtrip, found 1 day ago
$154
Roundtrip
found 1 day ago
Select Brussels Airlines flight, departing Tue, Oct 21 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Wed, Oct 29, priced at $154 found 1 day ago
Sun, Nov 9 - Fri, Nov 14
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$158 Roundtrip, found 5 days ago
$158
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Sun, Nov 9 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Fri, Nov 14, priced at $158 found 5 days ago
Fri, Mar 20 - Sun, Mar 22
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$161 Roundtrip, found 23 hours ago
$161
Roundtrip
found 23 hours ago
Select Brussels Airlines flight, departing Fri, Mar 20 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Sun, Mar 22, priced at $161 found 23 hours ago