Brussels Airlines Flight 3815 Deals & Information (2025/2026)

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Brussels Airlines Flight 3815 Route Deals From $130

The cheapest prices found with in the last 7 days for return flights were $180 and $130 for one-way flights to Humberto Delgado for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Feb 28 - Sat, Mar 7
BRU
Brussels - National
LIS
Humberto Delgado
$180 Roundtrip, found 1 day ago
$180
Roundtrip
found 1 day ago
Select Brussels Airlines flight, departing Sat, Feb 28 from Brussels - National to Humberto Delgado, returning Sat, Mar 7, priced at $180 found 1 day ago
Sat, Feb 7 - Sun, Feb 8
BRU
Brussels - National
LIS
Humberto Delgado
$196 Roundtrip, found 6 hours ago
$196
Roundtrip
found 6 hours ago
Select Brussels Airlines flight, departing Sat, Feb 7 from Brussels - National to Humberto Delgado, returning Sun, Feb 8, priced at $196 found 6 hours ago
Mon, Jan 19 - Mon, Jan 26
BRU
Brussels - National
LIS
Humberto Delgado
$227 Roundtrip, found 6 hours ago
$227
Roundtrip
found 6 hours ago
Select Brussels Airlines flight, departing Mon, Jan 19 from Brussels - National to Humberto Delgado, returning Mon, Jan 26, priced at $227 found 6 hours ago
Mon, Jan 19 - Mon, Jan 26
BRU
Brussels - National
LIS
Humberto Delgado
$231 Roundtrip, found 6 hours ago
$231
Roundtrip
found 6 hours ago
Select Brussels Airlines flight, departing Mon, Jan 19 from Brussels - National to Humberto Delgado, returning Mon, Jan 26, priced at $231 found 6 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.