$448 Cheap Flights from Faro (FAO) to San Francisco (SFO)

View $448 flight on Tue, Sep 15, 2026Opens in a new window

Popular airlines from Faro Intl. Airport (FAO) to San Francisco Intl. Airport (SFO)

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Faro to San Francisco (FAO-SFO)

Prices were available within the past 7 days and start at $448 for one-way flights and $636 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Thu, Apr 30 - Tue, May 5
FAO
Algarve
SFO
San Francisco
$636 Roundtrip, found 3 days ago
$636
Roundtrip
found 3 days ago
Select TAP Portugal flight, departing Thu, Apr 30 from Algarve to San Francisco, returning Tue, May 5, priced at $636 found 3 days ago
TAP Portugal
Tue, May 5 - Sat, May 9
FAO
Algarve
SFO
San Francisco
$694 Roundtrip, found 3 days ago
$694
Roundtrip
found 3 days ago
Select TAP Portugal flight, departing Tue, May 5 from Algarve to San Francisco, returning Sat, May 9, priced at $694 found 3 days ago
TAP Portugal
Wed, Dec 24 - Wed, Jan 14
FAO
Algarve
SFO
San Francisco
$744 Roundtrip, found 11 hours ago
$744
Roundtrip
found 11 hours ago
Select TAP Portugal flight, departing Wed, Dec 24 from Algarve to San Francisco, returning Wed, Jan 14, priced at $744 found 11 hours ago
TAP Portugal
Wed, Dec 24 - Wed, Jan 14
FAO
Algarve
SFO
San Francisco
$749 Roundtrip, found 11 hours ago
$749
Roundtrip
found 11 hours ago
Select TAP Portugal flight, departing Wed, Dec 24 from Algarve to San Francisco, returning Wed, Jan 14, priced at $749 found 11 hours ago
Scandinavian Airlines
Sun, Jan 11 - Thu, Jan 15
FAO
Algarve
SFO
San Francisco
$753 Roundtrip, found 6 days ago
$753
Roundtrip
found 6 days ago
Select Scandinavian Airlines flight, departing Sun, Jan 11 from Algarve to San Francisco, returning Thu, Jan 15, priced at $753 found 6 days ago
Swiss International Air Lines
Wed, Dec 24 - Wed, Jan 14
FAO
Algarve
SFO
San Francisco
$755 Roundtrip, found 11 hours ago
$755
Roundtrip
found 11 hours ago
Select Swiss International Air Lines flight, departing Wed, Dec 24 from Algarve to San Francisco, returning Wed, Jan 14, priced at $755 found 11 hours ago
Lufthansa
Thu, Dec 25 - Wed, Jan 14
FAO
Algarve
SFO
San Francisco
$765 Roundtrip, found 11 hours ago
$765
Roundtrip
found 11 hours ago
Select Lufthansa flight, departing Thu, Dec 25 from Algarve to San Francisco, returning Wed, Jan 14, priced at $765 found 11 hours ago
Lufthansa
Wed, Dec 24 - Wed, Jan 14
FAO
Algarve
SFO
San Francisco
$766 Roundtrip, found 11 hours ago
$766
Roundtrip
found 11 hours ago
Select Lufthansa flight, departing Wed, Dec 24 from Algarve to San Francisco, returning Wed, Jan 14, priced at $766 found 11 hours ago
Lufthansa
Wed, Dec 24 - Wed, Jan 14
FAO
Algarve
SFO
San Francisco
$768 Roundtrip, found 11 hours ago
$768
Roundtrip
found 11 hours ago
Select Lufthansa flight, departing Wed, Dec 24 from Algarve to San Francisco, returning Wed, Jan 14, priced at $768 found 11 hours ago
American Airlines
Fri, May 1 - Wed, May 6
FAO
Algarve
SFO
San Francisco
$771 Roundtrip, found 3 days ago
$771
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, May 1 from Algarve to San Francisco, returning Wed, May 6, priced at $771 found 3 days ago

Frequently asked questions

How much does a flight from Faro Intl. Airport (FAO) to San Francisco Intl. Airport (SFO) cost?
Grab a cheap one-way flight from $448 or cheap return flight from $636 from Faro Intl. Airport (FAO) to San Francisco Intl. Airport (SFO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Faro Intl. Airport (FAO) to San Francisco Intl. Airport (SFO)?
April is the least expensive month to fly from FAO to SFO. Traveling during quieter months is often the key to finding better deals on flights.
What is the cheapest airline that flies from Faro Intl. Airport (FAO) to San Francisco Intl. Airport (SFO)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from FAO to SFO. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Faro Intl. Airport (FAO) to San Francisco Intl. Airport (SFO)?
Nonstop flights from Faro Intl. Airport (FAO) to San Francisco Intl. Airport (SFO) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from FAO to SFO?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on a number of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Faro Intl. Airport (FAO) to San Francisco Intl. Airport (SFO)?
To avoid potential delays on the Faro Intl. Airport (FAO) to San Francisco Intl. Airport (SFO) route, fly before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Faro Intl. Airport (FAO) to San Francisco Intl. Airport (SFO) last-minute?
Last-minute fares from FAO to SFO are generally more expensive. To secure the best prices, start looking for flights well ahead of time. That being said, if you're flexible with your travel dates, you may find a cheap ticket right before you leave.
Is it cheaper to book a FAO to SFO flight and hotel package?
You'll generally save money by securing a FAO to SFO flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After choosing your ideal flights and accommodations, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Faro Intl. Airport (FAO) to San Francisco Intl. Airport (SFO)?
If you booked your FAO to SFO flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Origin airport
Faro Intl.
Destination airport
San Francisco Intl.
Airlines serving
Aer Lingus, Air Canada, British Airways, Brussels Airlines, Lufthansa, TAP Portugal, Turkish Airlines
Roundtrip price
$636
Distance
5797 mi

Book with confidence

Faro to San Francisco Flights

The cheapest times to fly from Faro to San Francisco

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Faro to San Francisco are during the month of April. You can find some of the cheapest flights from Faro to San Francisco with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Faro to San Francisco

Sunday is one of the best days to book for cheap flights from Faro to San Francisco: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Faro to San Francisco

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Faro to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $448 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Faro to San Francisco flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Faro to San Francisco airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Faro to San Francisco Flights

Explore a world of travel with Expedia

*Available to One Key members.