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

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Brussels Airlines Flight 3721 Route Deals From $66

The cheapest prices found with in the last 7 days for return flights were $118 and $66 for one-way flights to Adolfo Suárez Madrid-Barajas for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jun 2 - Tue, Jun 9
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$118 Roundtrip, found 1 hour ago
$118
Roundtrip
found 1 hour ago
Select Brussels Airlines flight, departing Tue, Jun 2 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Tue, Jun 9, priced at $118 found 1 hour ago
Thu, Jun 18 - Mon, Jun 22
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$123 Roundtrip, found 5 days ago
$123
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Thu, Jun 18 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Mon, Jun 22, priced at $123 found 5 days ago
Tue, Jun 2 - Tue, Jun 9
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$135 Roundtrip, found 1 hour ago
$135
Roundtrip
found 1 hour ago
Select Brussels Airlines flight, departing Tue, Jun 2 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Tue, Jun 9, priced at $135 found 1 hour ago
Tue, Jun 2 - Tue, Jun 9
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$139 Roundtrip, found 1 hour ago
$139
Roundtrip
found 1 hour ago
Select Brussels Airlines flight, departing Tue, Jun 2 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Tue, Jun 9, priced at $139 found 1 hour ago
Mon, May 25 - Thu, Jun 11
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$155 Roundtrip, found 1 hour ago
$155
Roundtrip
found 1 hour ago
Select Brussels Airlines flight, departing Mon, May 25 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Thu, Jun 11, priced at $155 found 1 hour ago
Mon, Jun 1 - Thu, Jun 4
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$157 Roundtrip, found 1 day ago
$157
Roundtrip
found 1 day ago
Select Brussels Airlines flight, departing Mon, Jun 1 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Thu, Jun 4, priced at $157 found 1 day ago
Tue, Jun 2 - Tue, Jun 9
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$165 Roundtrip, found 1 hour ago
$165
Roundtrip
found 1 hour ago
Select Brussels Airlines flight, departing Tue, Jun 2 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Tue, Jun 9, priced at $165 found 1 hour ago
Mon, Jun 1 - Thu, Jun 4
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$169 Roundtrip, found 1 day ago
$169
Roundtrip
found 1 day ago
Select Brussels Airlines flight, departing Mon, Jun 1 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Thu, Jun 4, priced at $169 found 1 day ago
Mon, May 11 - Thu, May 14
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$170 Roundtrip, found 3 days ago
$170
Roundtrip
found 3 days ago
Select Brussels Airlines flight, departing Mon, May 11 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Thu, May 14, priced at $170 found 3 days ago
Thu, Jun 18 - Mon, Jun 22
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$171 Roundtrip, found 5 days ago
$171
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Thu, Jun 18 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Mon, Jun 22, priced at $171 found 5 days ago
Thu, Jun 18 - Mon, Jun 22
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$174 Roundtrip, found 5 days ago
$174
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Thu, Jun 18 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Mon, Jun 22, priced at $174 found 5 days ago
Sat, Jun 6 - Wed, Jun 10
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$175 Roundtrip, found 3 days ago
$175
Roundtrip
found 3 days ago
Select Brussels Airlines flight, departing Sat, Jun 6 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Wed, Jun 10, priced at $175 found 3 days ago