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

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

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.

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 21% of their flights experiencing any sort of delay.

How often are flights from San Francisco to Portugal delayed?

Historically, on average around 21% 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 122 minutes.

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. Tuesday has historically seen more delays on average compared to the rest of the week.

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

As of February 2026, 3 flights take off from San Francisco and land in Portugal each week. The most common flight departure day for this route is Mon, with 100% of weekly flights taking off on this day.

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.

₹ 23,321 Cheap Flights from San Francisco to Portugal in 2026

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One-way

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Cheap return flights

Enter your travel dates to find the best prices.

10:20 - 11:20

SFO

LIS

17h 00m

2 stops

05:00 - 16:03

LIS

SFO

18h 03m

2 stops

₹ 45,920Delta

Tue, 3 Mar - Tue, 10 Mar

14:55 - 14:35

SFO

LIS

16h 40m

1 stop

05:00 - 18:44

LIS

SFO

21h 44m

2 stops

₹ 46,010Delta

Tue, 10 Mar - Tue, 31 Mar

13:30 - 13:20

SFO

LIS

15h 50m

1 stop

05:00 - 09:34

LIS

SFO

35h 34m

2 stops

₹ 46,100United Airlines

Wed, 4 Mar - Fri, 13 Mar

11:00 - 18:45

SFO

LIS

23h 45m

2 stops

05:00 - 00:01

LIS

SFO

27h 01m

2 stops

₹ 46,191Delta

Tue, 28 Apr - Fri, 8 May

07:10 - 08:00

SFO

LIS

16h 50m

1 stop

12:20 - 14:25

LIS

SFO

33h 05m

1 stop

₹ 46,281Delta

Sun, 1 Mar - Tue, 24 Mar

08:55 - 17:50

SFO

LIS

24h 55m

2 stops

09:50 - 23:20

LIS

SFO

21h 30m

2 stops

₹ 46,372Delta

Sun, 12 Apr - Tue, 21 Apr

22:50 - 08:00

SFO

LIS

25h 10m

2 stops

12:20 - 07:54

LIS

SFO

26h 34m

2 stops

₹ 46,462Delta

Sun, 1 Mar - Tue, 24 Mar

15:40 - 15:10

SFO

LIS

15h 30m

1 stop

11:25 - 12:50

LIS

SFO

32h 25m

1 stop

₹ 46,552Delta

Tue, 3 Mar - Sun, 8 Mar

16:35 - 10:05

SFO

LIS

33h 30m

1 stop

16:25 - 13:50

LIS

SFO

29h 25m

1 stop

₹ 46,643British Airways

Sun, 12 Apr - Wed, 22 Apr

19:30 - 23:05

SFO

LIS

19h 35m

1 stop

18:45 - 13:50

LIS

SFO

27h 05m

1 stop

₹ 46,733British Airways

Sun, 12 Apr - Thu, 23 Apr

KLM flights from San Francisco to Portugal

Our best KLM deals on San Francisco to Portugal flight tickets

KLM

18 Mar

SFO14:55San Francisco

20h 35m

1 stop

LIS18:30Lisbon Humberto Delgado

7 Apr

LIS15:35Lisbon Humberto Delgado

28h 10m

1 stop

SFO11:45San Francisco

₹ 48,089

KLM

24 Mar

SFO14:55San Francisco

20h 55m

1 stop

LIS18:50Lisbon Humberto Delgado

7 Apr

LIS15:35Lisbon Humberto Delgado

28h 10m

1 stop

SFO11:45San Francisco

₹ 48,179

KLM

15 Feb

SFO22:55San Francisco

25h 05m

1 stop

LIS08:00Lisbon Humberto Delgado

22 Feb

LIS15:30Lisbon Humberto Delgado

28h 20m

1 stop

SFO11:50San Francisco

₹ 61,738

United Airlines flights from San Francisco to Portugal

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

United Airlines

4 Mar

SFO13:30San Francisco

15h 50m

1 stop

LIS13:20Lisbon Humberto Delgado

13 Mar

LIS05:00Lisbon Humberto Delgado

35h 34m

2 stops

SFO09:34San Francisco

₹ 46,100

United Airlines

10 Mar

SFO14:35San Francisco

25h 55m

1 stop

LIS23:30Lisbon Humberto Delgado

19 Mar

LIS10:15Lisbon Humberto Delgado

22h 13m

2 stops

SFO01:28San Francisco

₹ 47,004

United Airlines

15 Mar

SFO14:35San Francisco

25h 55m

1 stop

LIS23:30Lisbon Humberto Delgado

25 Mar

LIS11:55Lisbon Humberto Delgado

28h 27m

2 stops

SFO09:22San Francisco

₹ 47,095

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Tue 3/3

10:20-11:20

2 stops17h 00m

Lisbon Humberto Delgado

Tue 10/3

05:00-16:03

2 stops18h 03m

₹ 45,920

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Tue 10/3

14:55-14:35

1 stop16h 40m

Lisbon Humberto Delgado

Tue 31/3

05:00-18:44

2 stops21h 44m

₹ 46,010

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Wed 4/3

13:30-13:20

1 stop15h 50m

Lisbon Humberto Delgado

Fri 13/3

05:00-09:34

2 stops35h 34m

₹ 46,100

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Tue 28/4

11:00-18:45

2 stops23h 45m

Lisbon Humberto Delgado

Fri 8/5

05:00-00:01

2 stops27h 01m

₹ 46,191

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sun 1/3

07:10-08:00

1 stop16h 50m

Lisbon Humberto Delgado

Tue 24/3

12:20-14:25

1 stop33h 05m

₹ 46,281

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sun 12/4

08:55-17:50

2 stops24h 55m

Lisbon Humberto Delgado

Tue 21/4

09:50-23:20

2 stops21h 30m

₹ 46,372

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sun 1/3

22:50-08:00

2 stops25h 10m

Lisbon Humberto Delgado

Tue 24/3

12:20-07:54

2 stops26h 34m

₹ 46,462

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Tue 3/3

15:40-15:10

1 stop15h 30m

Lisbon Humberto Delgado

Sun 8/3

11:25-12:50

1 stop32h 25m

₹ 46,552

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sun 12/4

16:35-10:05

1 stop33h 30m

Lisbon Humberto Delgado

Wed 22/4

16:25-13:50

1 stop29h 25m

₹ 46,643

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sun 12/4

19:30-23:05

1 stop19h 35m

Lisbon Humberto Delgado

Thu 23/4

18:45-13:50

1 stop27h 05m

₹ 46,733

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 ₹ 57,942. 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 ₹ 59,569.

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 ₹ 73,211 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 ₹ 67,343 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

Fastest flight time	10h 55m
Direct flights	Tue, Wed, Thu, Sat and Sun
Airports in Portugal	99 airports

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

Direct flights go from San Francisco to Portugal on Tuesday, Wednesday, Thursday, 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 Boeing 777 (23.53% of total bookings). The next most popular plane models are Airbus A330-900neo (22.95%), Boeing 777-300ER (11.35%), and Boeing 787-9 Dreamliner (9.56%).

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 ₹ 47,275

Flights to Portofrom ₹ 79,003

Flights to Farofrom ₹ 58,665

Flights to Funchalfrom ₹ 70,326

Cheap flights from San Francisco to Portugal from ₹ 23,321

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 2/8. 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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KLM 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 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?

British Airways, United Airlines, and Virgin Atlantic 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 21% 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 122 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. Tuesday 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 21% of their flights experiencing any sort of delay.

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

As of February 2026, 3 flights take off from San Francisco and land in Portugal each week. The most common flight departure day for this route is Mon, with 100% 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

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

San Francisco flight routes

According to popular flight searches on momondo this year

Portugal flight routes

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year