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

1 flights are operational daily from San Francisco to Portugal as of December 2025. The most popular departure time for this route is 16:00, with 66% of flights per day taking off in the afternoon.

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

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

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

According to our data, TAP AIR PORTUGAL have had the fewest delays on this route over the last 12 months, with about 24% of their flights experiencing any sort of delay.

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

As of December 2025, 9 flights take off from San Francisco and land in Portugal each week. The most common flight departure day for this route is Wed, with 33% of weekly flights taking off on this day.

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

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

How often are flights from San Francisco to Portugal delayed?

Historically, on average around 24% of flights between San Francisco and Portugal have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

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

SWISS, British Airways, and United Airlines are the most popular carriers operating from San Francisco to Portugal

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

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

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

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 San Francisco Airport to Portugal.

What documentation or ID do you need to fly to Portugal?

The travel and health documents you'll need for your trip to Portugal may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portugal. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

₹ 35,750 Cheap Flights from San Francisco to Portugal in 2025/26

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10:35 - 17:30

SFO

LIS

22h 55m2 stops

05:00 - 18:38

LIS

SFO

21h 38m2 stops

₹ 45,361Delta

Wed, 14 Jan - Tue, 20 Jan

15:40 - 15:10

SFO

LIS

15h 30m1 stop

05:30 - 20:27

LIS

SFO

22h 57m2 stops

₹ 45,450Delta

Wed, 28 Jan - Thu, 12 Feb

15:10 - 15:50

SFO

LIS

16h 40m1 stop

16:55 - 14:35

LIS

SFO

29h 40m1 stop

₹ 45,540Scandinavian Airlines

Thu, 29 Jan - Wed, 11 Feb

06:10 - 09:05

SFO

LIS

18h 55m1 stop

06:30 - 00:47

LIS

SFO

26h 17m2 stops

₹ 45,630Multiple Airlines

Tue, 30 Dec - Wed, 14 Jan

23:55 - 08:10

SFO

LIS

24h 15m1 stop

06:10 - 19:35

LIS

SFO

21h 25m1 stop

₹ 45,720United Airlines

Fri, 16 Jan - Fri, 30 Jan

08:25 - 09:20

SFO

LIS

16h 55m1 stop

05:00 - 12:40

LIS

SFO

15h 40m1 stop

₹ 45,810United Airlines

Thu, 29 Jan - Tue, 17 Feb

00:43 - 10:15

SFO

LIS

25h 32m2 stops

05:00 - 20:10

LIS

SFO

23h 10m1 stop

₹ 45,900United Airlines

Thu, 19 Feb - Tue, 24 Feb

08:25 - 09:20

SFO

LIS

16h 55m1 stop

06:10 - 14:50

LIS

SFO

16h 40m1 stop

₹ 45,989United Airlines

Thu, 15 Jan - Tue, 20 Jan

15:40 - 15:10

SFO

LIS

15h 30m1 stop

11:25 - 11:50

LIS

SFO

32h 25m1 stop

₹ 46,079Delta

Fri, 30 Jan - Wed, 18 Feb

22:54 - 15:10

SFO

LIS

32h 16m2 stops

10:55 - 21:37

LIS

SFO

18h 42m1 stop

₹ 46,169Delta

Sat, 31 Jan - Fri, 20 Feb

United Airlines flights from San Francisco to Portugal

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

United Airlines

29 Dec

SFO23:06San Francisco

27h 09m

1 stop

LIS10:15Lisbon Humberto Delgado

20 Jan

LIS06:10Lisbon Humberto Delgado

25h 02m

2 stops

SFO23:12San Francisco

₹ 45,361

Find similar

United Airlines

16 Jan

SFO23:55San Francisco

24h 15m

1 stop

LIS08:10Lisbon Humberto Delgado

30 Jan

LIS06:10Lisbon Humberto Delgado

21h 25m

1 stop

SFO19:35San Francisco

₹ 45,720

Find similar

United Airlines

29 Jan

SFO08:25San Francisco

16h 55m

1 stop

LIS09:20Lisbon Humberto Delgado

17 Feb

LIS05:00Lisbon Humberto Delgado

15h 40m

1 stop

SFO12:40San Francisco

₹ 45,810

Find similar

SWISS flights from San Francisco to Portugal

Our best SWISS deals on San Francisco to Portugal flight tickets

SWISS

28 Jan

SFO11:45San Francisco

18h 50m

2 stops

LIS14:35Lisbon Humberto Delgado

24 Feb

LIS15:25Lisbon Humberto Delgado

29h 55m

2 stops

SFO13:20San Francisco

₹ 47,516

Find similar

SWISS

22 Jan

SFO11:45San Francisco

18h 50m

2 stops

LIS14:35Lisbon Humberto Delgado

28 Jan

LIS15:25Lisbon Humberto Delgado

29h 55m

2 stops

SFO13:20San Francisco

₹ 49,582

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Wed 14/1

10:35-17:30

2 stops22h 55m

Lisbon Humberto Delgado

Tue 20/1

05:00-18:38

2 stops21h 38m

₹ 45,361

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Wed 28/1

15:40-15:10

1 stop15h 30m

Lisbon Humberto Delgado

Thu 12/2

05:30-20:27

2 stops22h 57m

₹ 45,450

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Thu 29/1

15:10-15:50

1 stop16h 40m

Lisbon Humberto Delgado

Wed 11/2

16:55-14:35

1 stop29h 40m

₹ 45,540

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Tue 30/12

06:10-09:05

1 stop18h 55m

Lisbon Humberto Delgado

Wed 14/1

06:30-00:47

2 stops26h 17m

₹ 45,630

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 16/1

23:55-08:10

1 stop24h 15m

Lisbon Humberto Delgado

Fri 30/1

06:10-19:35

1 stop21h 25m

₹ 45,720

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Thu 29/1

08:25-09:20

1 stop16h 55m

Lisbon Humberto Delgado

Tue 17/2

05:00-12:40

1 stop15h 40m

₹ 45,810

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Thu 19/2

00:43-10:15

2 stops25h 32m

Lisbon Humberto Delgado

Tue 24/2

05:00-20:10

1 stop23h 10m

₹ 45,900

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Thu 15/1

08:25-09:20

1 stop16h 55m

Lisbon Humberto Delgado

Tue 20/1

06:10-14:50

1 stop16h 40m

₹ 45,989

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 30/1

15:40-15:10

1 stop15h 30m

Lisbon Humberto Delgado

Wed 18/2

11:25-11:50

1 stop32h 25m

₹ 46,079

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sat 31/1

22:54-15:10

2 stops32h 16m

Lisbon Humberto Delgado

Fri 20/2

10:55-21:37

1 stop18h 42m

₹ 46,169

Flights are sorted by cheapest return flights first.

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

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 Portugal?

The month of January is, on average, the cheapest month to fly to Portugal from San Francisco, with most prices found around ₹ 59,014. If you aren’t able to travel during the month of January, then book flights to Portugal from San Francisco during February instead. Flights to Portugal in February, while not as cheap as those in January, still average around ₹ 59,463.

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

Our most recent data shows that the best time of day to fly to Portugal is in the afternoon. Flights from San Francisco to Portugal during this time can be as low as ₹ 53,922. Flights in the morning are often more expensive, with an average ticket price of ₹ 97,712.

What is the cheapest San Francisco to Portugal flight route?

Fly from San Francisco to Lisbon Humberto Delgado for the best San Francisco - Portugal flight prices

How far in advance should I book a flight to Portugal?

You are more likely to see cheaper flights to Portugal from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around ₹ 73,603 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from San Francisco for as low as ₹ 69,703 on momondo.

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

There are 2 cabin classes available to choose from on San Francisco to Portugal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap San Francisco to Portugal flight deals and tips

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

Best price found	₹ 53,922
Fastest flight time	10h 55m
Direct flights	Tue, Wed, Thu, Fri, Sat and Sun
Airports in Portugal	99 airports

The best flight deal from San Francisco to Portugal found on momondo in the last 72 hours is ₹ 53,922

The fastest flight from San Francisco to Portugal takes 10h 55m

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

There are 99 airports in Portugal. From San Francisco there are direct flights to Lisbon Humberto Delgado (LIS).

Search flight deals

When did momondo last update prices for flights from San Francisco Airport to Portugal?
Prices for flights from San Francisco Airport to Portugal are updated daily.
How old do you have to be to fly from San Francisco Airport to Portugal?
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 San Francisco Airport to Portugal.
What documentation or ID do you need to fly to Portugal?
The travel and health documents you'll need for your trip to Portugal may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portugal. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Francisco to Portugal?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from San Francisco to Portugal is Airbus A330-900neo (27.13% of total bookings). The next most popular plane models are Boeing 777 (23.30%), Boeing 777-300ER (13.44%), and Boeing 787-9 Dreamliner (8.18%).

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portugal from San Francisco.

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

Yes. All flights to Portugal from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Portugal from San Francisco.

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

If you are not ready to book a flight from San Francisco to Portugal now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portugal and let you know when they change.

An easier way to manage your Portugal trip

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

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Popular Cities in Portugal

Flights to Lisbonfrom ₹ 45,001

Flights to Portofrom ₹ 76,529

Flights to Farofrom ₹ 106,081

Flights to Funchalfrom ₹ 96,200

Cheap flights from San Francisco to Portugal from ₹ 35,750

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Portugal departing on 31/1. 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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United Airlines flights from San Francisco to Portugal

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

SWISS flights from San Francisco to Portugal

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

What is the cheapest month to fly to Portugal?

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

Our most recent data shows that the best time of day to fly to Portugal is in the afternoon. Flights from San Francisco to Portugal during this time can be as low as ₹ 53,922. Flights in the morning are often more expensive, with an average ticket price of ₹ 97,712.

What is the cheapest San Francisco to Portugal flight route?

Fly from San Francisco to Lisbon Humberto Delgado for the best San Francisco - Portugal flight prices

How far in advance should I book a flight to Portugal?

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

There are 2 cabin classes available to choose from on San Francisco to Portugal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

SWISS, British Airways, and United Airlines are the most popular carriers operating from San Francisco to Portugal

How often are flights from San Francisco to Portugal delayed?

Historically, on average around 24% of flights between San Francisco and Portugal have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

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

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

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

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

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

According to our data, TAP AIR PORTUGAL have had the fewest delays on this route over the last 12 months, with about 24% of their flights experiencing any sort of delay.

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

1 flights are operational daily from San Francisco to Portugal as of December 2025. The most popular departure time for this route is 16:00, with 66% of flights per day taking off in the afternoon.

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

As of December 2025, 9 flights take off from San Francisco and land in Portugal each week. The most common flight departure day for this route is Wed, with 33% of weekly flights taking off on this day.

Cheap San Francisco to Portugal flight deals and tips

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

Best price found

Fastest flight time

Direct flights

Airports in Portugal

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

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

What documentation or ID do you need to fly to Portugal?

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

Why use momondo?

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

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

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

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

An easier way to manage your Portugal trip

We make it super easy to schedule, organise 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 Portugal

Popular Cities in Portugal

Popular flights according to clicks in the last 7 days on momondo