Cheap flights from Los Angeles to Douro Valley

View AU$624 flight on Mon, 18 Aug. 2025Opens in a new window

  • 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 Los Angeles (QLA) 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.

KLM
Thu, 31 Jul. - Sat, 2 Aug.
LAX
Los Angeles
OPO
Porto
AU$3,161 Return, found 2 days ago
AU$3,161
Return
found 2 days ago
Select KLM flight, departing Thu, 31 Jul. from Los Angeles to Porto, returning Sat, 2 Aug., priced at AU$3,161 found 2 days ago
KLM
Thu, 31 Jul. - Sat, 2 Aug.
LAX
Los Angeles
OPO
Porto
AU$3,161 Return, found 2 days ago
AU$3,161
Return
found 2 days ago
Select KLM flight, departing Thu, 31 Jul. from Los Angeles to Porto, returning Sat, 2 Aug., priced at AU$3,161 found 2 days ago
Royal Air Maroc
Thu, 31 Jul. - Sat, 2 Aug.
LAX
Los Angeles
OPO
Porto
AU$3,673 Return, found 2 days ago
AU$3,673
Return
found 2 days ago
Select Royal Air Maroc flight, departing Thu, 31 Jul. from Los Angeles to Porto, returning Sat, 2 Aug., priced at AU$3,673 found 2 days ago
British Airways
Thu, 31 Jul. - Sat, 2 Aug.
LAX
Los Angeles
OPO
Porto
AU$4,118 Return, found 2 days ago
AU$4,118
Return
found 2 days ago
Select British Airways flight, departing Thu, 31 Jul. from Los Angeles to Porto, returning Sat, 2 Aug., priced at AU$4,118 found 2 days ago
Brussels Airlines
Thu, 31 Jul. - Sat, 2 Aug.
LAX
Los Angeles
OPO
Porto
AU$4,162 Return, found 2 days ago
AU$4,162
Return
found 2 days ago
Select Brussels Airlines flight, departing Thu, 31 Jul. from Los Angeles to Porto, returning Sat, 2 Aug., priced at AU$4,162 found 2 days ago
Lufthansa
Thu, 31 Jul. - Sat, 2 Aug.
LAX
Los Angeles
OPO
Porto
AU$4,162 Return, found 2 days ago
AU$4,162
Return
found 2 days ago
Select Lufthansa flight, departing Thu, 31 Jul. from Los Angeles to Porto, returning Sat, 2 Aug., priced at AU$4,162 found 2 days ago
*Available to Expedia members.