Round-trip from | $438 (oojo) |
---|---|
One-way from | $269 (Mytrip) |
Popular in | July |
Cheapest in | January |
Average price | $1,162 |
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoPorto
SFO - OPO
SFOOPO
San Francisco
Mon 10/6
7:40 pm-11:00 am
1 stop31h 20m
Porto
Wed 10/15
11:50 am-4:30 pm
1 stop36h 40m
San FranciscoPorto
SFO - OPO
SFOOPO
San Francisco
Sat 10/4
8:10 pm-8:00 am
1 stop27h 50m
Porto
Fri 10/17
10:00 pm-6:10 pm
1 stop28h 10m
San FranciscoPorto
SFO - OPO
SFOOPO
San Francisco
Mon 10/27
5:35 pm-6:15 pm
1 stop17h 40m
Porto
Mon 11/10
6:55 am-2:35 pm
1 stop15h 40m
San FranciscoPorto
SFO - OPO
SFOOPO
San Francisco
Sat 11/15
4:35 pm-3:00 pm
1 stop14h 25m
Porto
Sat 11/22
6:55 am-2:45 pm
1 stop15h 50m
San FranciscoPorto
SFO - OPO
SFOOPO
San Francisco
Tue 9/16
6:45 pm-8:10 am
2 stops29h 25m
Porto
Tue 9/23
9:15 pm-2:35 pm
1 stop25h 20m
San FranciscoPorto
SFO - OPO
SFOOPO
San Francisco
Sat 11/1
5:35 pm-6:05 pm
1 stop17h 30m
Porto
Fri 11/14
9:00 am-4:05 pm
1 stop15h 05m
San FranciscoPorto
SFO - OPO
SFOOPO
San Francisco
Sat 1/17
4:35 pm-6:05 pm
1 stop17h 30m
Porto
Sun 1/25
4:00 pm-2:35 pm
1 stop30h 35m
San FranciscoPorto
SFO - OPO
SFOOPO
San Francisco
Tue 9/9
6:45 pm-8:25 pm
2 stops17h 40m
Porto
Tue 9/16
6:00 pm-2:35 pm
1 stop28h 35m
San FranciscoPorto
SFO - OPO
SFOOPO
San Francisco
Fri 11/7
7:10 pm-10:00 pm
1 stop18h 50m
Porto
Tue 11/11
8:00 pm-2:30 pm
1 stop26h 30m
San FranciscoPorto
SFO - OPO
SFOOPO
San Francisco
Tue 9/9
6:45 pm-8:10 am
2 stops29h 25m
Porto
Tue 9/23
10:30 pm-2:35 pm
1 stop24h 05m
To ensure you get the cheapest price possible for a flight from San Francisco to Porto, you should look to book at least 89 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, January is the cheapest month in which you can book a flight from San Francisco to Porto (average of $523). Flying from San Francisco to Porto in June is currently the most expensive (average of $1,030). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Unlike in the morning, when flights are generally more expensive, you can save up to 22% on flights from San Francisco to Porto by exploring options for tickets in the afternoon.
Travelers seeking maximum savings on their San Francisco to Porto flight should consider departing on Sunday afternoons when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Comfort
Food
Overall
Crew
Boarding
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Comfort
Food
Overall
Crew
Boarding
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Comfort
Food
Overall
Crew
Boarding
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Comfort
Food
Overall
Crew
Boarding
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Comfort
Food
Overall
Crew
Boarding
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Comfort
Food
Overall
Crew
Boarding
Entertainment
Reviews
Anonymous,Jun 2025
AMS - BOS
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$556 | Average$1,116 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$570 | Average$872 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$624 | Average$739 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$653 | Average$1,094 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$680 | Average$1,028 | FlexibilityNo cancel fee | On-time79% | |
Cheapest$702 | Average$1,040 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$709 | Average$1,017 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$712 | Average$1,095 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$776 | Average$1,112 | FlexibilityNo cancel fee | On-time67% | |
Cheapest$781 | Average$819 | FlexibilityNo cancel fee | On-time50% |