Cheap flights from Istanbul to Serra da Estrela

View AU$136 flight on Wed, 19 Nov. 2025Opens in a new window

Popular airlines from Istanbul to Serra da Estrela

  • KLM

    KLM

  • Lufthansa

    Lufthansa

  • Air France

    Air France

  • Iberia

    Iberia

  • Turkish Airlines

    Turkish Airlines

  • Air Europa

    Air Europa

  • British Airways

    British Airways

  • 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 Istanbul (IST) 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.

Aegean
Tue, 7 Apr. - Tue, 14 Apr.
IST
Istanbul
LIS
Lisbon
AU$389 Return, found 16 hours ago
AU$389
Return
found 16 hours ago
Select Aegean flight, departing Tue, 7 Apr. from Istanbul to Lisbon, returning Tue, 14 Apr., priced at AU$389 found 16 hours ago
Lufthansa
Mon, 12 Jan. - Mon, 19 Jan.
IST
Istanbul
LIS
Lisbon
AU$397 Return, found 1 day ago
AU$397
Return
found 1 day ago
Select Lufthansa flight, departing Mon, 12 Jan. from Istanbul to Lisbon, returning Mon, 19 Jan., priced at AU$397 found 1 day ago
Lufthansa
Fri, 13 Mar. - Sun, 15 Mar.
IST
Istanbul
OPO
Porto
AU$440 Return, found 4 days ago
AU$440
Return
found 4 days ago
Select Lufthansa flight, departing Fri, 13 Mar. from Istanbul to Porto, returning Sun, 15 Mar., priced at AU$440 found 4 days ago
Air Europa
Sat, 24 Jan. - Fri, 6 Feb.
IST
Istanbul
OPO
Porto
AU$463 Return, found 5 days ago
AU$463
Return
found 5 days ago
Select Air Europa flight, departing Sat, 24 Jan. from Istanbul to Porto, returning Fri, 6 Feb., priced at AU$463 found 5 days ago
LOT-Polish Airlines
Tue, 7 Apr. - Tue, 14 Apr.
IST
Istanbul
LIS
Lisbon
AU$543 Return, found 16 hours ago
AU$543
Return
found 16 hours ago
Select LOT-Polish Airlines flight, departing Tue, 7 Apr. from Istanbul to Lisbon, returning Tue, 14 Apr., priced at AU$543 found 16 hours ago
KLM
Sat, 24 Jan. - Fri, 6 Feb.
IST
Istanbul
OPO
Porto
AU$668 Return, found 5 days ago
AU$668
Return
found 5 days ago
Select KLM flight, departing Sat, 24 Jan. from Istanbul to Porto, returning Fri, 6 Feb., priced at AU$668 found 5 days ago

Find the cheapest month to fly from Istanbul (IST) to Lisbon (LIS)

December is typically the cheapest month to fly

From AU$295 - AU$656 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.