Cheap flights from San Francisco (SFO) to Porto (OPO)
The best prices from San Francisco to Porto are usually found in January or October, booked 19 days in advance, depart on a Sunday or Saturday and return on a Tuesday
How to find the cheapest flight from San Francisco (SFO) to Porto (OPO)
All the information you need to plan the best SFO to OPO flight in 2022: compare San Francisco to Porto flight prices with the expected peak season, weather and rainfall in Porto.
SFO - OPO Price | $597 - $1,389 |
|---|---|
OPO Temperature | 48.2 - 68 °F |
OPO Rainfall | 0.7 - 7.7 inches |
| Popular in | August | High demand for flights, 35% potential price rise |
|---|---|---|
| Cheapest in | January | Best time to find cheap flights, 34% potential price drop |
| Round-trip from | $597 | From San Francisco to Porto |
| One-way from | $459 | One-way flight from San Francisco to Porto |
What is the cheapest day to fly round-trip from San Francisco to Porto?
Leaving on a Saturday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 35% on the overall cost on flights from San Francisco to Porto.
How far in advance should I book a flight from San Francisco to Porto?
To save on the cost of your flight from San Francisco to Porto, book at least 20 days before your planned departure. Booking around this time can save you about 17% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,001 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,197.
What is the cheapest month to fly from San Francisco to Porto?
Due to multiple factors, expect to potentially pay more when booking in August. For low rates, January can be a great choice for travel to Porto. Flights to Porto from San Francisco in January are about $899 on average during January, but can be found for as low as $535.
When is the cheapest time to fly from San Francisco to Porto (SFO - OPO)?
Unlike at noon, when flights are generally more expensive, you can save up to 15% on flights from San Francisco to Porto by exploring options for tickets in the afternoon.
Cheap flights from San Francisco to Porto in September, October 2022
The best prices found for SFO to OPO flights for September, October
San Francisco
Porto
1 stop
17h 00mPorto
San Francisco
2 stops
30h 25mMultiple Airlines
San Francisco
Porto
1 stop
14h 35mPorto
San Francisco
1 stop
20h 30mMultiple Airlines
San Francisco
Porto
1 stop
14h 20mPorto
San Francisco
1 stop
15h 55mTAP AIR PORTUGAL
San Francisco to Porto 2022 flight deals
Cheap flights to Porto from San Francisco found for this year
San Francisco
Porto
1 stop
14h 20mPorto
San Francisco
1 stop
17h 50mTAP AIR PORTUGAL
San Francisco
Porto
1 stop
14h 20mPorto
San Francisco
1 stop
17h 55mTAP AIR PORTUGAL
San Francisco
Porto
3 stops
27h 00mPorto
San Francisco
2 stops
32h 45mMultiple Airlines
Cheap TAP AIR PORTUGAL flights from San Francisco to Porto
San Francisco
Porto
1 stop
14h 20mPorto
San Francisco
1 stop
17h 50mTAP AIR PORTUGAL
San Francisco
Porto
1 stop
14h 20mPorto
San Francisco
1 stop
17h 55mTAP AIR PORTUGAL
San Francisco
Porto
1 stop
14h 20mPorto
San Francisco
1 stop
17h 55mTAP AIR PORTUGAL
Cheap Vueling flights from San Francisco to Porto
San Francisco
Porto
1 stop
17h 00mPorto
San Francisco
1 stop
17h 30mVueling
San Francisco
Porto
1 stop
27h 50mPorto
San Francisco
1 stop
28h 20mVueling
San Francisco
Porto
1 stop
17h 00mPorto
San Francisco
1 stop
17h 30mVueling
Last minute flights from San Francisco to Porto
Late deals on return flights to Porto from San Francisco, departing today and this week
San Francisco
Porto
1 stop
14h 05mPorto
San Francisco
2 stops
21h 55mIberia
San Francisco
Porto
1 stop
16h 05mPorto
San Francisco
1 stop
17h 05mAir France
San Francisco
Porto
1 stop
34h 00mPorto
San Francisco
2 stops
19h 39mAmerican Airlines
One-way flights to Porto from San Francisco
The cheapest one-way flights from San Francisco to Porto
San Francisco
Porto
1 stop
27h 50mVueling
San Francisco
Porto
1 stop
17h 00mVueling
San Francisco
Porto
3 stops
26h 30mMultiple Airlines
Related info for your journey
Useful info, stats and facts about San Francisco to Porto flights.
Which airlines flying from San Francisco to Porto have flexible cancellations due to COVID-19?
Some of the carriers operating flights from San Francisco to Porto that may be offering flexible cancellation policies are TAP AIR PORTUGAL, Lufthansa, and United Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.
Can I find flights from San Francisco to Porto for under $500 on Cheapflights?
Yes, there are multiple flights from San Francisco to Porto for under $500. The cheapest flight booked recently is on TAP AIR PORTUGAL for just $492, but on average you can expect to pay $590.
Are there last-minute flights available from San Francisco to Porto for under $800?
There are currently 20+ open flights from San Francisco to Porto within the next 7 days for less than $800.
What are the cheapest airlines flying from San Francisco to Porto round-trip?
TAP AIR PORTUGAL, at $492, was found to be the cheapest airline from San Francisco to Porto. An alternate airline flying to your destination would be Vueling. Users have found that TAP AIR PORTUGAL is 45% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from San Francisco to Porto one-way?
The cheapest airlines for a one-way flight from San Francisco to Porto are Vueling ($302), TAP AIR PORTUGAL ($372), and SWISS ($488).
What are the most popular airlines that fly from San Francisco to Porto?
When booking a flight from San Francisco to Porto, you may want to consider flying on American Airlines, Air Canada or Air France as they are the most popular for this route.
What are the cheapest flights from San Francisco to Porto?
While on average a flight from San Francisco to Porto is generally $2,719, our data shows the cheapest flight currently is $431. When looking at the most popular route, (San Francisco - Porto), you can expect to pay $497 for that flight.