Cheap flights from Porto to San Diego

View NZ$1,447 flight on Sun, 24 Aug. 2025Opens in a new window

Popular airlines from Porto to San Diego

  • 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 Porto (OPO) to San Diego (SAN)

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.

*Available to Expedia members.