Cheap flights from San Francisco to Sintra-Cascais Natural Park

View AU$501 flight on Thu, 25 Sep. 2025Opens in a new window

Popular airlines from San Francisco to Sintra-Cascais Natural Park

  • American Airlines

    American Airlines

  • Air Canada

    Air Canada

  • Air France

    Air France

  • British Airways

    British Airways

  • Delta

    Delta

  • KLM

    KLM

  • Lufthansa

    Lufthansa

  • 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 San Francisco (SJC) to Sintra-Cascais Natural Park (LIS)

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.

Scandinavian Airlines
Sun, 18 Jan. - Sat, 31 Jan.
SFO
San Francisco
LIS
Lisbon
AU$864 Return, found 2 hours ago
AU$864
Return
found 2 hours ago
Select Scandinavian Airlines flight, departing Sun, 18 Jan. from San Francisco to Lisbon, returning Sat, 31 Jan., priced at AU$864 found 2 hours ago
United
Tue, 20 Jan. - Tue, 3 Feb.
SFO
San Francisco
LIS
Lisbon
AU$879 Return, found 2 hours ago
AU$879
Return
found 2 hours ago
Select United flight, departing Tue, 20 Jan. from San Francisco to Lisbon, returning Tue, 3 Feb., priced at AU$879 found 2 hours ago
Delta
Wed, 7 Jan. - Tue, 20 Jan.
SFO
San Francisco
LIS
Lisbon
AU$897 Return, found 2 hours ago
AU$897
Return
found 2 hours ago
Select Delta flight, departing Wed, 7 Jan. from San Francisco to Lisbon, returning Tue, 20 Jan., priced at AU$897 found 2 hours ago
TAP Portugal
Wed, 1 Oct. - Tue, 14 Oct.
SFO
San Francisco
LIS
Lisbon
AU$928 Return, found 6 hours ago
AU$928
Return
found 6 hours ago
Select TAP Portugal flight, departing Wed, 1 Oct. from San Francisco to Lisbon, returning Tue, 14 Oct., priced at AU$928 found 6 hours ago
Virgin Atlantic
Tue, 3 Feb. - Sun, 15 Feb.
SFO
San Francisco
LIS
Lisbon
AU$973 Return, found 2 hours ago
AU$973
Return
found 2 hours ago
Select Virgin Atlantic flight, departing Tue, 3 Feb. from San Francisco to Lisbon, returning Sun, 15 Feb., priced at AU$973 found 2 hours ago
Air Canada
Wed, 11 Feb. - Sun, 22 Feb.
SFO
San Francisco
LIS
Lisbon
AU$985 Return, found 2 hours ago
AU$985
Return
found 2 hours ago
Select Air Canada flight, departing Wed, 11 Feb. from San Francisco to Lisbon, returning Sun, 22 Feb., priced at AU$985 found 2 hours ago

Find the cheapest month to fly from San Francisco (SFO) to Lisbon (LIS)

February is typically the cheapest month to fly

From AU$755 - AU$1,545 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.