Brussels Airlines Flight 6401 Deals & Information (2025/2026)

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Brussels Airlines Flight 6401 Route Deals From $100

The cheapest prices found with in the last 7 days for return flights were $127 and $100 for one-way flights to Humberto Delgado for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Feb 4 - Sat, Feb 14
BRU
Brussels - National
LIS
Humberto Delgado
$127 Roundtrip, found 5 days ago
$127
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Wed, Feb 4 from Brussels - National to Humberto Delgado, returning Sat, Feb 14, priced at $127 found 5 days ago
Wed, Feb 4 - Sat, Feb 14
BRU
Brussels - National
LIS
Humberto Delgado
$176 Roundtrip, found 5 days ago
$176
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Wed, Feb 4 from Brussels - National to Humberto Delgado, returning Sat, Feb 14, priced at $176 found 5 days ago
Fri, Mar 20 - Tue, Mar 31
BRU
Brussels - National
LIS
Humberto Delgado
$177 Roundtrip, found 5 days ago
$177
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Fri, Mar 20 from Brussels - National to Humberto Delgado, returning Tue, Mar 31, priced at $177 found 5 days ago
Wed, Nov 12 - Sat, Nov 15
BRU
Brussels - National
LIS
Humberto Delgado
$179 Roundtrip, found 5 days ago
$179
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Wed, Nov 12 from Brussels - National to Humberto Delgado, returning Sat, Nov 15, priced at $179 found 5 days ago
Wed, Feb 4 - Sat, Feb 14
BRU
Brussels - National
LIS
Humberto Delgado
$186 Roundtrip, found 5 days ago
$186
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Wed, Feb 4 from Brussels - National to Humberto Delgado, returning Sat, Feb 14, priced at $186 found 5 days ago
Wed, Feb 4 - Sat, Feb 14
BRU
Brussels - National
LIS
Humberto Delgado
$191 Roundtrip, found 5 days ago
$191
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Wed, Feb 4 from Brussels - National to Humberto Delgado, returning Sat, Feb 14, priced at $191 found 5 days ago
Wed, Feb 4 - Sat, Feb 14
BRU
Brussels - National
LIS
Humberto Delgado
$195 Roundtrip, found 5 days ago
$195
Roundtrip
found 5 days ago
Select Brussels Airlines flight, departing Wed, Feb 4 from Brussels - National to Humberto Delgado, returning Sat, Feb 14, priced at $195 found 5 days ago
Sat, Nov 22 - Sat, Nov 29
BRU
Brussels - National
LIS
Humberto Delgado
$195 Roundtrip, found 3 days ago
$195
Roundtrip
found 3 days ago
Select Brussels Airlines flight, departing Sat, Nov 22 from Brussels - National to Humberto Delgado, returning Sat, Nov 29, priced at $195 found 3 days ago