Travelers have found it’s best to book a flight 9 days in advance to save up to 57% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 9 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Portugal to San Francisco 1-2 weeks in advance for as low as $607, or $985 for flights within the next 24 hours.
Flights from Portugal to San Francisco lean towards being more expensive in July. Prices are generally better when you fly from Portugal to San Francisco in November, with the cheapest ticket starting at $529.
When flying from Portugal to San Francisco, 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
$565 - $686
Route
Depart
Return
Price
Lisbon Humberto DelgadoSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Mon 10/7
1 stop29h 05m
San Francisco
Sat 10/12
1 stop28h 20m
Lisbon Humberto DelgadoSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Fri 10/18
1 stop28h 10m
San Francisco
Tue 10/22
1 stop17h 50m
Lisbon Humberto DelgadoSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Thu 10/10
1 stop15h 25m
San Francisco
Thu 12/26
1 stop17h 25m
Lisbon Humberto DelgadoSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Sun 10/13
1 stop26h 30m
San Francisco
Mon 12/30
1 stop17h 05m
PortoSan Francisco
OPO - SFO
OPOSFO
Porto
Thu 6/27
1 stop14h 45m
San Francisco
Thu 7/11
1 stop14h 05m
Lisbon Humberto DelgadoSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Tue 6/18
1 stop24h 15m
San Francisco
Wed 7/24
1 stop25h 15m
Lisbon Humberto DelgadoSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Fri 9/20
2 stops19h 08m
San Francisco
Fri 9/27
1 stop34h 35m
PortoSan Francisco
OPO - SFO
OPOSFO
Porto
Mon 6/3
1 stop15h 28m
San Francisco
Sun 6/9
2 stops21h 45m
Lisbon Humberto DelgadoSan Francisco
LIS - SFO
LISSFO
Lisbon Humberto Delgado
Mon 6/24
1 stop28h 50m
San Francisco
Tue 7/23
1 stop15h 50m
No data available for this route at this time. Please check back soon.
Entertainment
Crew
Boarding
Food
Comfort
Overall
Reviews
Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.
Entertainment
Crew
Boarding
Food
Comfort
Overall
Reviews
Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.
Entertainment
Crew
Boarding
Food
Comfort
Overall
Reviews
Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.
Entertainment
Crew
Boarding
Food
Comfort
Overall
Reviews
Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.
Entertainment
Crew
Boarding
Food
Comfort
Overall
Reviews
Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.
Entertainment
Crew
Boarding
Food
Comfort
Overall
Reviews
Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.
0%of flight departures | Early morningMidnight to 6 am |
---|---|
100%of flight departures | Morning6 am to noon |
0%of flight departures | AfternoonNoon to 6 pm |
0%of flight departures | Evening6 pm to midnight |
When you search for this flight from Portugal to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Cheapflights helps you find that perfect flight to San Francisco from Portugal by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Users can book flights with no change fees policies with our dedicated filters. Book flights from Portugal to San Francisco flexibly with Cheapflights today.
Yes! Start tracking prices for Portugal to San Francisco flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.