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 $123 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.

Thu, Jun 18 - Mon, Jun 22
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$123 Roundtrip, found 4 days ago
$123
Roundtrip
found 4 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 4 days ago
Tue, Jun 2 - Tue, Jun 9
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$135 Roundtrip, found 1 day ago
$135
Roundtrip
found 1 day 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 day ago
Tue, Jun 2 - Tue, Jun 9
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 Tue, Jun 2 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Tue, Jun 9, priced at $150 found 1 day ago
Tue, Jun 2 - Tue, Jun 9
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 Tue, Jun 2 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Tue, Jun 9, priced at $152 found 1 day 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
$164 Roundtrip, found 1 day ago
$164
Roundtrip
found 1 day ago
Select Brussels Airlines flight, departing Tue, Jun 2 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Tue, Jun 9, priced at $164 found 1 day 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 2 days ago
$170
Roundtrip
found 2 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 2 days ago
Thu, Jun 18 - Mon, Jun 22
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$171 Roundtrip, found 4 days ago
$171
Roundtrip
found 4 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 4 days ago
Thu, Jun 18 - Mon, Jun 22
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$174 Roundtrip, found 4 days ago
$174
Roundtrip
found 4 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 4 days ago
Sat, Jun 6 - Wed, Jun 10
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$175 Roundtrip, found 2 days ago
$175
Roundtrip
found 2 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 2 days ago
Wed, May 27 - Sat, May 30
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$177 Roundtrip, found 5 days ago
$177
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Wed, May 27 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Sat, May 30, priced at $177 found 5 days ago