What is the most punctual flight time for Portugal to San Francisco flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

What airlines fly to San Francisco?

TAP AIR PORTUGAL, Delta and United Airlines are the top three most popular airlines that fly to San Francisco from Portugal according to our data. TAP AIR PORTUGAL is the first choice among our users, with 46% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 7 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

How many flights depart from Portugal to San Francisco on average per week?

The number of flights available between Portugal and San Francisco is 3 per week as of January 2026. The most frequent departure day is Wed, with 100% of weekly flights leaving on this day.

What is the cheapest airline that flies from Portugal to San Francisco?

LEVEL and WestJet are the most popular carriers operating from Portugal to San Francisco

How often are flights from Portugal to San Francisco delayed?

Historically, on average around 11% of flights between Portugal and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 131 minutes.

Which airline has the best punctuality record on Portugal to San Francisco flights?

According to our data, TAP AIR PORTUGAL have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

How long does it take to fly to San Francisco?

Flight times from Portugal to San Francisco vary, but if you’re flying out of Lisbon and flying into San Francisco (one of the most popular routes), then the duration is 12h 30m on average. Another popular route from Portugal to San Francisco is flying from Porto to San Francisco, which will take roughly 14h 50m. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from Portugal to San Francisco Airport?

Prices for flights from Portugal to San Francisco Airport are updated daily.

How many operators does momondo search for flights from Portugal to San Francisco Airport?

As of January 2026, there are 7 operators available to choose from for flights from Portugal to San Francisco Airport.

How old do you have to be to fly from Portugal to San Francisco Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portugal to San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$322 Cheap Flights from Portugal to San Francisco in 2026

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4:40 pm - 2:35 pm

LIS

SFO

29h 55m1 stop

4:40 pm - 4:05 pm

SFO

LIS

15h 25m1 stop

$553Scandinavian Airlines

Fri, Feb 6 - Sun, Feb 8

6:00 pm - 2:35 pm

LIS

SFO

28h 35m1 stop

4:40 pm - 4:30 pm

SFO

LIS

15h 50m1 stop

$614Scandinavian Airlines

Sun, Feb 22 - Sun, Mar 1

4:40 pm - 2:35 pm

LIS

SFO

29h 55m1 stop

4:40 pm - 4:05 pm

SFO

LIS

15h 25m1 stop

$616Scandinavian Airlines

Fri, Feb 6 - Sun, Feb 15

11:05 am - 10:13 pm

LIS

SFO

19h 08m1 stop

5:30 pm - 10:30 pm

SFO

LIS

21h 00m1 stop

$642British Airways

Fri, Jan 16 - Sat, Jan 31

11:05 am - 7:35 pm

LIS

SFO

16h 30m1 stop

10:35 am - 10:30 pm

SFO

LIS

27h 55m2 stops

$645British Airways

Fri, Jan 16 - Sat, Jan 31

8:20 am - 8:48 pm

OPO

SFO

20h 28m2 stops

6:00 am - 11:45 am

SFO

OPO

21h 45m2 stops

$660American Airlines

Wed, Jan 21 - Sun, Jan 25

8:20 am - 8:48 pm

OPO

SFO

20h 28m2 stops

7:00 am - 7:40 am

SFO

OPO

16h 40m2 stops

$661American Airlines

Thu, Jan 22 - Wed, Feb 4

5:00 am - 11:45 am

OPO

SFO

14h 45m1 stop

11:05 am - 3:25 pm

SFO

OPO

20h 20m2 stops

$668Delta

Fri, May 15 - Mon, May 18

5:00 am - 5:50 pm

OPO

SFO

20h 50m2 stops

11:05 am - 3:25 pm

SFO

OPO

20h 20m2 stops

$673Delta

Fri, May 15 - Mon, May 18

5:50 am - 4:50 pm

FNC

SFO

19h 00m1 stop

8:20 pm - 1:25 am

SFO

FNC

21h 05m1 stop

$753TAP AIR PORTUGAL

Fri, Apr 3 - Fri, Apr 17

British Airways flights from Portugal to San Francisco

Our best British Airways deals on Portugal to San Francisco flight tickets

British Airways

Jan 16

LIS11:05 amLisbon Humberto Delgado

19h 08m

1 stop

SFO10:13 pmSan Francisco

Jan 31

SFO5:30 pmSan Francisco

21h 00m

1 stop

LIS10:30 pmLisbon Humberto Delgado

$642

British Airways

Feb 28

LIS10:40 amLisbon Humberto Delgado

16h 41m

1 stop

SFO7:21 pmSan Francisco

Mar 7

SFO5:30 pmSan Francisco

21h 00m

1 stop

LIS10:30 pmLisbon Humberto Delgado

$645

British Airways

Jan 22

LIS10:55 amLisbon Humberto Delgado

19h 18m

1 stop

SFO10:13 pmSan Francisco

Feb 4

SFO7:30 amSan Francisco

23h 20m

2 stops

LIS2:50 pmLisbon Humberto Delgado

$646

American Airlines flights from Portugal to San Francisco

Our best American Airlines deals on Portugal to San Francisco flight tickets

American Airlines

Jan 17

LIS10:40 amLisbon Humberto Delgado

16h 55m

1 stop

SFO7:35 pmSan Francisco

Jan 29

SFO9:00 amSan Francisco

19h 10m

2 stops

LIS12:10 pmLisbon Humberto Delgado

$653

American Airlines

Jan 21

LIS6:30 amLisbon Humberto Delgado

21h 40m

2 stops

SFO8:10 pmSan Francisco

Jan 25

SFO6:37 amSan Francisco

18h 28m

1 stop

LIS9:05 amLisbon Humberto Delgado

$655

American Airlines

Jan 21

LIS8:20 amLisbon Humberto Delgado

24h 27m

2 stops

SFO12:47 amSan Francisco

Jan 25

SFO6:37 amSan Francisco

18h 28m

1 stop

LIS9:05 amLisbon Humberto Delgado

$656

Fly from

Fly to

Route

Depart

Return

Price

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Fri 2/6

4:40 pm-2:35 pm

1 stop29h 55m

San Francisco

Sun 2/8

4:40 pm-4:05 pm

1 stop15h 25m

$553

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Sun 2/22

6:00 pm-2:35 pm

1 stop28h 35m

San Francisco

Sun 3/1

4:40 pm-4:30 pm

1 stop15h 50m

$614

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Fri 2/6

4:40 pm-2:35 pm

1 stop29h 55m

San Francisco

Sun 2/15

4:40 pm-4:05 pm

1 stop15h 25m

$616

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Fri 1/16

11:05 am-10:13 pm

1 stop19h 08m

San Francisco

Sat 1/31

5:30 pm-10:30 pm

1 stop21h 00m

$642

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Fri 1/16

11:05 am-7:35 pm

1 stop16h 30m

San Francisco

Sat 1/31

10:35 am-10:30 pm

2 stops27h 55m

$645

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Wed 1/21

8:20 am-8:48 pm

2 stops20h 28m

San Francisco

Sun 1/25

6:00 am-11:45 am

2 stops21h 45m

$660

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Thu 1/22

8:20 am-8:48 pm

2 stops20h 28m

San Francisco

Wed 2/4

7:00 am-7:40 am

2 stops16h 40m

$661

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Fri 5/15

5:00 am-11:45 am

1 stop14h 45m

San Francisco

Mon 5/18

11:05 am-3:25 pm

2 stops20h 20m

$668

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Fri 5/15

5:00 am-5:50 pm

2 stops20h 50m

San Francisco

Mon 5/18

11:05 am-3:25 pm

2 stops20h 20m

$673

FunchalSan Francisco

FNC - SFO

FNCSFO

Funchal Madeira

Fri 4/3

5:50 am-4:50 pm

1 stop19h 00m

San Francisco

Fri 4/17

8:20 pm-1:25 am

1 stop21h 05m

$753

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portugal to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $744.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Portugal to San Francisco is on a Tuesday when prices can be found for as low as $799. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $1,384.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Portugal to San Francisco flights are usually those with departure times in the morning. Our users have found flights to San Francisco in the morning for as low as $869. Flights at noon are often more expensive with an average ticket price of $1,327.

What is the cheapest Portugal to San Francisco flight route?

Fly from Lajes to San Francisco for the best Portugal - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Portugal when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $813 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Portugal for as low as $681 on momondo.

What cabin class options are available on Portugal to San Francisco flights?

There are 3 cabin classes available to choose from on Portugal to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Portugal to San Francisco flights?

You could potentially save up to 1% on your flight if you consider stops on a Portugal to San Francisco flight.

Cheap Portugal to San Francisco flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portugal to San Francisco

Best Price Found	$934
Fastest flight time	12h 30m
Direct flights	Tue, Wed, Thu, Fri, Sat and Sun
Airports in San Francisco	1 airport

The best one-way flight to San Francisco from Portugal in the past 72 hours is $934. The best round-trip flight deal from Portugal to San Francisco found on momondo in the last 72 hours is $1,885.

The fastest flight from Portugal to San Francisco takes 12h 30m

Direct flights go from Portugal to San Francisco on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There is 1 airport in San Francisco. From Portugal there are direct flights to San Francisco (SFO).

Search flight deals

When did momondo last update prices for flights from Portugal to San Francisco Airport?
Prices for flights from Portugal to San Francisco Airport are updated daily.
How many operators does momondo search for flights from Portugal to San Francisco Airport?
As of January 2026, there are 7 operators available to choose from for flights from Portugal to San Francisco Airport.
How old do you have to be to fly from Portugal to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portugal to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Portugal to San Francisco?
Based on momondo bookings for flights between Portugal and San Francisco, the leading plane model is Airbus A330-900neo, making up 69.70% of the total bookings. Other popular models include Airbus A330 with 27.27% and Airbus A330-200 with 3.03%.

Best airlines flying from Portugal to San Francisco

Compare and see reviews for airlines that fly from Portugal to San Francisco with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $570	Free Cancellation	Rating 6.7 7,659 reviews	Search British Airways flights
Delta	PriceFrom $589	Free Cancellation	Rating 7.9 8,029 reviews	Search Delta flights
TAP AIR PORTUGAL	PriceFrom $648	Free Cancellation	Rating 7.1 2,111 reviews	Search TAP AIR PORTUGAL flights
Air France	PriceFrom $657	Free Cancellation	Rating 7.4 1,519 reviews	Search Air France flights
Lufthansa	PriceFrom $670	Free Cancellation	Rating 6.8 7,697 reviews	Search Lufthansa flights
American Airlines	PriceFrom $708	Free Cancellation	Rating 7.2 11,095 reviews	Search American Airlines flights
United Airlines	PriceFrom $764	Free Cancellation	Rating 7.4 9,141 reviews	Search United Airlines flights

Santa Cruz

Carmel-by-the-Sea

Modesto

Sonoma

Bodega Bay

Roseville

Hayward

Calistoga

Big Sur

Santa Clara

Berkeley

Walnut Creek

Fremont

Daly City

Half Moon Bay

Vallejo

Livermore

Salinas

Turlock

Sunnyvale

Why use momondo?

Why should I use momondo to find a flight deal from Portugal to San Francisco?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portugal to San Francisco for you.

Can I find flights from Portugal to San Francisco with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Portugal to San Francisco flights to just show those with flexible booking policies.

How can momondo help me find flights from Portugal to San Francisco?

Once you have performed a search for Portugal to San Francisco flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Portugal to San Francisco right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from Portugal and alert you when they change.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

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Flights to New Yorkfrom $49

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Flights to Orlandofrom $55

Flights to Las Vegasfrom $55

Flights to Washington, D.C.from $58

Flights to Bostonfrom $58

Flights to Atlantafrom $48

Flights to Dallasfrom $57

Flights to Seattlefrom $57

Flights to Denverfrom $38

Fly to other destinations from Portugal

Flights from Lisbon Humberto Delgado to Miami

Flights from Lisbon Humberto Delgado to Washington, D.C. Dulles Intl

Flights from Lisbon Humberto Delgado to New York John F Kennedy Intl

Flights from Lisbon Humberto Delgado to Newark

Flights from Porto to Newark

Flights from Lisbon Humberto Delgado to Los Angeles

Cheap flights from Portugal to San Francisco from $322

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to San Francisco departing on 2/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

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Our best British Airways deals on Portugal to San Francisco flight tickets

American Airlines flights from Portugal to San Francisco

Our best American Airlines deals on Portugal to San Francisco flight tickets

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Use the filters below to find and compare flights from Portugal to San Francisco that are best for you.

See travel insights to San Francisco from

How to get the cheapest flight ticket from Portugal to San Francisco

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $744.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Portugal to San Francisco is on a Tuesday when prices can be found for as low as $799. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $1,384.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Portugal to San Francisco flights are usually those with departure times in the morning. Our users have found flights to San Francisco in the morning for as low as $869. Flights at noon are often more expensive with an average ticket price of $1,327.

What is the cheapest Portugal to San Francisco flight route?

Fly from Lajes to San Francisco for the best Portugal - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

What cabin class options are available on Portugal to San Francisco flights?

There are 3 cabin classes available to choose from on Portugal to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Portugal to San Francisco flights?

You could potentially save up to 1% on your flight if you consider stops on a Portugal to San Francisco flight.

What is the cheapest airline that flies from Portugal to San Francisco?

LEVEL and WestJet are the most popular carriers operating from Portugal to San Francisco

What airlines fly to San Francisco?

How often are flights from Portugal to San Francisco delayed?

Historically, on average around 11% of flights between Portugal and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 131 minutes.

What is the most punctual flight time for Portugal to San Francisco flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Portugal to San Francisco flights?

According to our data, TAP AIR PORTUGAL have had the least number of delays on this route over the last 12 months; with about 11% of their flights experiencing any sort of delay.

How many flights depart from Portugal to San Francisco on average per week?

The number of flights available between Portugal and San Francisco is 3 per week as of January 2026. The most frequent departure day is Wed, with 100% of weekly flights leaving on this day.

How long does it take to fly to San Francisco?

Cheap Portugal to San Francisco flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portugal to San Francisco

Best Price Found

Fastest flight time

Direct flights

Airports in San Francisco

When did momondo last update prices for flights from Portugal to San Francisco Airport?

How many operators does momondo search for flights from Portugal to San Francisco Airport?

How old do you have to be to fly from Portugal to San Francisco Airport?

What documentation or ID do you need to fly to San Francisco Airport?

What is the most popular plane model from Portugal to San Francisco?

Best airlines flying from Portugal to San Francisco

Compare and see reviews for airlines that fly from Portugal to San Francisco with momondo

Traveling to a place near San Francisco?

Why use momondo?

Why should I use momondo to find a flight deal from Portugal to San Francisco?

Can I find flights from Portugal to San Francisco with flexible booking policies on momondo?

How can momondo help me find flights from Portugal to San Francisco?

I’m not ready to book a flight from Portugal to San Francisco right now. Can momondo alert me if prices change?

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California