Brussels Airlines Flight 3812 Deals & Information (2025/2026)

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Brussels Airlines Flight 3812 Route Deals From $88

The cheapest prices found with in the last 7 days for return flights were $178 and $88 for one-way flights to Brussels - National for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, May 21 - Sat, May 31
OPO
Dr. Francisco de Sa Carneiro
BRU
Brussels - National
$178 Roundtrip, found 1 day ago
$178
Roundtrip
found 1 day ago
Select Brussels Airlines flight, departing Wed, May 21 from Dr. Francisco de Sa Carneiro to Brussels - National, returning Sat, May 31, priced at $178 found 1 day ago
Wed, May 28 - Sun, Jun 1
OPO
Dr. Francisco de Sa Carneiro
BRU
Brussels - National
$180 Roundtrip, found 6 days ago
$180
Roundtrip
found 6 days ago
Select Brussels Airlines flight, departing Wed, May 28 from Dr. Francisco de Sa Carneiro to Brussels - National, returning Sun, Jun 1, priced at $180 found 6 days ago
Fri, May 23 - Sun, May 25
OPO
Dr. Francisco de Sa Carneiro
BRU
Brussels - National
$214 Roundtrip, found 6 days ago
$214
Roundtrip
found 6 days ago
Select Brussels Airlines flight, departing Fri, May 23 from Dr. Francisco de Sa Carneiro to Brussels - National, returning Sun, May 25, priced at $214 found 6 days ago
Wed, May 21 - Sat, May 31
OPO
Dr. Francisco de Sa Carneiro
BRU
Brussels - National
$218 Roundtrip, found 1 day ago
$218
Roundtrip
found 1 day ago
Select Brussels Airlines flight, departing Wed, May 21 from Dr. Francisco de Sa Carneiro to Brussels - National, returning Sat, May 31, priced at $218 found 1 day ago

Frequently asked questions

What route does flight number SN3812 take?
You’ll be landing into Brussels - National Airport (BRU) from Porto Airport (OPO-Dr. Francisco de Sa Carneiro) if you’re traveling on flight number SN3812. You’ll be in the sky for 2 hours and 20 minutes during this journey. What’s more, the service conveniently travels direct.
How often is SN3812 on time?
About 100% of SN3812 flights arrive on time — so if you’re taking to the skies between Dr. Francisco de Sa Carneiro Airport (OPO) and BRU, you can kick back knowing that you’ll land at your destination as quickly as possible. On the rare occasion that your Brussels Airlines journey encounters a delay, you can expect a wait time of roughly 3 minutes. Due to the airline’s high standard, this route has a star rating of 3.8.
What kind of plane is on flight number SN3812?
You’ll likely be boarding an Airbus A320 if you’ve reserved a seat on flight SN3812. Generally, this flight heads off from Porto Airport and touches down at Brussels Airport.
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 SN3812 flight with Travelocity, please visit our Customer Service Portal.