To save on the cost of your flight from San Francisco to Portugal, book at least 38 days before your planned departure. Booking around this time can save you about 35% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $922 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,034.
Our data shows that January tends to be the cheapest month to fly to Portugal from San Francisco. Users have commonly found prices around $932 for the month, but tickets can be as low as $511. Due to multiple factors, prepare for potentially higher prices in June.
When flying from San Francisco to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Fly from
Fly to
Budget
$500 - $711
Route
Depart
Return
Price
San FranciscoLisbon Humberto Delgado
SFO - LIS
SFOLIS
San Francisco
Tue 10/15
1 stop17h 50m
Lisbon Humberto Delgado
Wed 10/23
1 stop28h 05m
San FranciscoLisbon Humberto Delgado
SFO - LIS
SFOLIS
San Francisco
Tue 10/15
1 stop17h 20m
Lisbon Humberto Delgado
Wed 10/23
1 stop28h 05m
San FranciscoLisbon Humberto Delgado
SFO - LIS
SFOLIS
San Francisco
Tue 10/15
Nonstop11h 05m
Lisbon Humberto Delgado
Wed 10/23
Nonstop12h 40m
San FranciscoLisbon Humberto Delgado
SFO - LIS
SFOLIS
San Francisco
Wed 10/30
1 stop21h 20m
Lisbon Humberto Delgado
Tue 11/5
2 stops20h 14m
San FranciscoLisbon Humberto Delgado
SFO - LIS
SFOLIS
San Francisco
Tue 10/1
1 stop16h 25m
Lisbon Humberto Delgado
Mon 10/7
1 stop28h 10m
San FranciscoLisbon Humberto Delgado
SFO - LIS
SFOLIS
San Francisco
Tue 10/29
1 stop35h 10m
Lisbon Humberto Delgado
Tue 11/19
2 stops36h 25m
San FranciscoLisbon Humberto Delgado
SFO - LIS
SFOLIS
San Francisco
Mon 11/4
1 stop17h 05m
Lisbon Humberto Delgado
Sun 11/17
1 stop22h 59m
San FranciscoLisbon Humberto Delgado
SFO - LIS
SFOLIS
San Francisco
Wed 10/2
2 stops18h 20m
Lisbon Humberto Delgado
Tue 11/19
2 stops33h 10m
San FranciscoLisbon Humberto Delgado
SFO - LIS
SFOLIS
San Francisco
Fri 10/18
1 stop23h 45m
Lisbon Humberto Delgado
Fri 1/10
2 stops21h 57m
No data available for this route at this time. Please check back soon.
Entertainment
Boarding
Comfort
Crew
Overall
Food
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Entertainment
Boarding
Comfort
Crew
Overall
Food
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Entertainment
Boarding
Comfort
Crew
Overall
Food
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Entertainment
Boarding
Comfort
Crew
Overall
Food
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Entertainment
Boarding
Comfort
Crew
Overall
Food
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Entertainment
Boarding
Comfort
Crew
Overall
Food
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
0%of flight departures | Early morningMidnight to 6 am |
---|---|
0%of flight departures | Morning6 am to noon |
100%of flight departures | AfternoonNoon to 6 pm |
0%of flight departures | Evening6 pm to midnight |
Cheapflights helps you search for flights from San Francisco to Portugal via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Millions of users choose and trust Cheapflights to book the best flight deals from San Francisco to Portugal for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Yes, we can. To see specific flights from San Francisco to Portugal with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Of course! You can now track prices for flights from San Francisco to Portugal and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.