Cheap flights from Bilbao to Serra da Estrela

View AU$94 flight on Sun, 7 Sep. 2025Opens in a new window

Popular airlines from Bilbao to Serra da Estrela

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Bilbao (BIO) to Serra da Estrela (OPO)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Europa
Thu, 15 Jan. - Thu, 22 Jan.
BIO
Bilbao
OPO
Porto
AU$229 Return, found 4 days ago
AU$229
Return
found 4 days ago
Select Air Europa flight, departing Thu, 15 Jan. from Bilbao to Porto, returning Thu, 22 Jan., priced at AU$229 found 4 days ago
Air Europa
Thu, 15 Jan. - Thu, 22 Jan.
BIO
Bilbao
OPO
Porto
AU$242 Return, found 4 days ago
AU$242
Return
found 4 days ago
Select Air Europa flight, departing Thu, 15 Jan. from Bilbao to Porto, returning Thu, 22 Jan., priced at AU$242 found 4 days ago
TAP Portugal
Sun, 17 Aug. - Tue, 26 Aug.
BIO
Bilbao
OPO
Porto
AU$249 Return, found 1 day ago
AU$249
Return
found 1 day ago
Select TAP Portugal flight, departing Sun, 17 Aug. from Bilbao to Porto, returning Tue, 26 Aug., priced at AU$249 found 1 day ago
Iberia
Thu, 15 Jan. - Thu, 22 Jan.
BIO
Bilbao
OPO
Porto
AU$256 Return, found 4 days ago
AU$256
Return
found 4 days ago
Select Iberia flight, departing Thu, 15 Jan. from Bilbao to Porto, returning Thu, 22 Jan., priced at AU$256 found 4 days ago
Lufthansa
Thu, 15 Jan. - Thu, 22 Jan.
BIO
Bilbao
OPO
Porto
AU$345 Return, found 4 days ago
AU$345
Return
found 4 days ago
Select Lufthansa flight, departing Thu, 15 Jan. from Bilbao to Porto, returning Thu, 22 Jan., priced at AU$345 found 4 days ago
Vueling Airlines
Tue, 19 Aug. - Wed, 20 Aug.
BIO
Bilbao
OPO
Porto
AU$366 Return, found 6 days ago
AU$366
Return
found 6 days ago
Select Vueling Airlines flight, departing Tue, 19 Aug. from Bilbao to Porto, returning Wed, 20 Aug., priced at AU$366 found 6 days ago

Find the cheapest month to fly from Bilbao (BIO) to Lisbon (LIS)

November is typically the cheapest month to fly

From AU$60 - AU$280 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.