Brussels Airlines Flight 3815 Deals & Information (2026/2027)

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Brussels Airlines Flight 3815 Route Deals From $93

The cheapest prices found with in the last 7 days for return flights were $159 and $93 for one-way flights to Humberto Delgado for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jun 1 - Wed, Jun 10
BRU
Brussels - National
LIS
Humberto Delgado
$159 Roundtrip, found 6 days ago
$159
Roundtrip
found 6 days ago
Select Brussels Airlines flight, departing Mon, Jun 1 from Brussels - National to Humberto Delgado, returning Wed, Jun 10, priced at $159 found 6 days ago
Mon, Jun 8 - Tue, Jun 16
BRU
Brussels - National
LIS
Humberto Delgado
$172 Roundtrip, found 1 day ago
$172
Roundtrip
found 1 day ago
Select Brussels Airlines flight, departing Mon, Jun 8 from Brussels - National to Humberto Delgado, returning Tue, Jun 16, priced at $172 found 1 day ago
Mon, Jun 1 - Tue, Jun 9
BRU
Brussels - National
LIS
Humberto Delgado
$173 Roundtrip, found 1 day ago
$173
Roundtrip
found 1 day ago
Select Brussels Airlines flight, departing Mon, Jun 1 from Brussels - National to Humberto Delgado, returning Tue, Jun 9, priced at $173 found 1 day ago
Mon, Jun 1 - Wed, Jun 10
BRU
Brussels - National
LIS
Humberto Delgado
$176 Roundtrip, found 6 days ago
$176
Roundtrip
found 6 days ago
Select Brussels Airlines flight, departing Mon, Jun 1 from Brussels - National to Humberto Delgado, returning Wed, Jun 10, priced at $176 found 6 days ago
Mon, Jun 15 - Tue, Jun 30
BRU
Brussels - National
LIS
Humberto Delgado
$190 Roundtrip, found 3 days ago
$190
Roundtrip
found 3 days ago
Select Brussels Airlines flight, departing Mon, Jun 15 from Brussels - National to Humberto Delgado, returning Tue, Jun 30, priced at $190 found 3 days ago
Tue, Jun 2 - Wed, Jun 10
BRU
Brussels - National
LIS
Humberto Delgado
$191 Roundtrip, found 3 days ago
$191
Roundtrip
found 3 days ago
Select Brussels Airlines flight, departing Tue, Jun 2 from Brussels - National to Humberto Delgado, returning Wed, Jun 10, priced at $191 found 3 days ago
Sat, Jun 13 - Sat, Jun 20
BRU
Brussels - National
LIS
Humberto Delgado
$204 Roundtrip, just found
$204
Roundtrip
just found
Select Brussels Airlines flight, departing Sat, Jun 13 from Brussels - National to Humberto Delgado, returning Sat, Jun 20, priced at $204 just found
Sat, Jun 13 - Tue, Jun 16
BRU
Brussels - National
LIS
Humberto Delgado
$205 Roundtrip, found 14 hours ago
$205
Roundtrip
found 14 hours ago
Select Brussels Airlines flight, departing Sat, Jun 13 from Brussels - National to Humberto Delgado, returning Tue, Jun 16, priced at $205 found 14 hours ago

Frequently asked questions

What route does flight number SN3815 take?
SN3815 flies straight from Brussels Airport (BRU-Brussels - National) to Humberto Delgado Airport (LIS). During this trip, you'll be in the air for approximately 2 hours and 50 minutes. It pays to book ahead to lock in your preferred seat.
What kind of plane is on flight number SN3815?
The route for flight number SN3815 is almost always Brussels - National Airport (BRU) to Lisbon Airport, and the Airbus A320 is the aircraft model you'll probably be traveling on.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your SN3815 flight with Travelocity, please visit our Customer Service Portal.