Cheap flights from Istanbul to Douro Valley

View AU$242 flight on Sun, 10 May 2026Opens in a new window

Popular airlines from Istanbul to Douro Valley

  • KLM

    KLM

  • Air France

    Air France

  • Iberia

    Iberia

  • Lufthansa

    Lufthansa

  • Turkish Airlines

    Turkish Airlines

  • Air Europa

    Air Europa

  • 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 Douro Valley (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.

Lufthansa
Wed, 28 Jan. - Sat, 31 Jan.
IST
Istanbul
OPO
Porto
AU$395 Return, found 3 hours ago
AU$395
Return
found 3 hours ago
Select Lufthansa flight, departing Wed, 28 Jan. from Istanbul to Porto, returning Sat, 31 Jan., priced at AU$395 found 3 hours ago
Lufthansa
Wed, 28 Jan. - Sat, 31 Jan.
IST
Istanbul
OPO
Porto
AU$423 Return, found 3 hours ago
AU$423
Return
found 3 hours ago
Select Lufthansa flight, departing Wed, 28 Jan. from Istanbul to Porto, returning Sat, 31 Jan., priced at AU$423 found 3 hours ago
Air Europa
Wed, 28 Jan. - Sat, 31 Jan.
IST
Istanbul
OPO
Porto
AU$461 Return, found 3 hours ago
AU$461
Return
found 3 hours ago
Select Air Europa flight, departing Wed, 28 Jan. from Istanbul to Porto, returning Sat, 31 Jan., priced at AU$461 found 3 hours ago
Air France
Wed, 28 Jan. - Sat, 31 Jan.
IST
Istanbul
OPO
Porto
AU$713 Return, found 3 hours ago
AU$713
Return
found 3 hours ago
Select Air France flight, departing Wed, 28 Jan. from Istanbul to Porto, returning Sat, 31 Jan., priced at AU$713 found 3 hours ago
Turkish Airlines
Wed, 28 Jan. - Sat, 31 Jan.
IST
Istanbul
OPO
Porto
AU$767 Return, found 3 hours ago
AU$767
Return
found 3 hours ago
Select Turkish Airlines flight, departing Wed, 28 Jan. from Istanbul to Porto, returning Sat, 31 Jan., priced at AU$767 found 3 hours ago
KLM
Wed, 28 Jan. - Sat, 31 Jan.
IST
Istanbul
OPO
Porto
AU$828 Return, found 3 hours ago
AU$828
Return
found 3 hours ago
Select KLM flight, departing Wed, 28 Jan. from Istanbul to Porto, returning Sat, 31 Jan., priced at AU$828 found 3 hours ago
*Available to Expedia members.