Brussels Airlines Flight 3721 Deals & Information (2025/2026)

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Brussels Airlines Flight 3721 Route Deals From $73

The cheapest prices found with in the last 7 days for return flights were $117 and $73 for one-way flights to Adolfo Suárez Madrid-Barajas for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Dec 1 - Wed, Dec 3
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$117 Roundtrip, found 5 days ago
$117
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Mon, Dec 1 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Wed, Dec 3, priced at $117 found 5 days ago
Mon, Dec 1 - Wed, Dec 3
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$128 Roundtrip, found 5 days ago
$128
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Mon, Dec 1 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Wed, Dec 3, priced at $128 found 5 days ago
Mon, Nov 10 - Sat, Nov 15
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$142 Roundtrip, found 2 days ago
$142
Roundtrip
found 2 days ago
Select Brussels Airlines flight, departing Mon, Nov 10 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Sat, Nov 15, priced at $142 found 2 days ago
Mon, Dec 1 - Wed, Dec 3
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$146 Roundtrip, found 5 days ago
$146
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Mon, Dec 1 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Wed, Dec 3, priced at $146 found 5 days ago
Mon, Nov 10 - Sat, Nov 15
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$148 Roundtrip, found 2 days ago
$148
Roundtrip
found 2 days ago
Select Brussels Airlines flight, departing Mon, Nov 10 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Sat, Nov 15, priced at $148 found 2 days ago
Mon, Dec 1 - Wed, Dec 3
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 Mon, Dec 1 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Wed, Dec 3, priced at $149 found 5 days ago
Mon, Dec 1 - Wed, Dec 3
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$154 Roundtrip, found 5 days ago
$154
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Mon, Dec 1 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Wed, Dec 3, priced at $154 found 5 days ago
Mon, Nov 10 - Sat, Nov 15
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$156 Roundtrip, found 2 days ago
$156
Roundtrip
found 2 days ago
Select Brussels Airlines flight, departing Mon, Nov 10 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Sat, Nov 15, priced at $156 found 2 days ago
Thu, Oct 2 - Thu, Oct 9
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$158 Roundtrip, found 14 hours ago
$158
Roundtrip
found 14 hours ago
Select Brussels Airlines flight, departing Thu, Oct 2 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Thu, Oct 9, priced at $158 found 14 hours ago
Mon, Dec 1 - Wed, Dec 3
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$160 Roundtrip, found 5 days ago
$160
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Mon, Dec 1 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Wed, Dec 3, priced at $160 found 5 days ago
Mon, Nov 10 - Sat, Nov 15
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$162 Roundtrip, found 2 days ago
$162
Roundtrip
found 2 days ago
Select Brussels Airlines flight, departing Mon, Nov 10 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Sat, Nov 15, priced at $162 found 2 days ago
Thu, Oct 2 - Thu, Oct 9
BRU
Brussels - National
MAD
Adolfo Suárez Madrid-Barajas
$175 Roundtrip, found 14 hours ago
$175
Roundtrip
found 14 hours ago
Select Brussels Airlines flight, departing Thu, Oct 2 from Brussels - National to Adolfo Suárez Madrid-Barajas, returning Thu, Oct 9, priced at $175 found 14 hours ago