How popular is this Portugal to San Francisco flight route?

This flight path from Portugal to San Francisco was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines to fly from Portugal to San Francisco one-way?

To fly one-way, consider booking your trip with Iberia, which is currently one of the cheapest options available, starting at $431. Vueling flights start at $457 while deals on TAP AIR PORTUGAL start at $476 one-way.

What is the cheapest day to fly from Portugal to San Francisco?

Travelers seeking maximum savings on their Portugal to San Francisco flight should consider departing on Tuesday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular routes from Portugal to San Francisco?

The most popular flight routes from Portugal to San Francisco are Lisbon Humberto Delgado - San Francisco, Porto - San Francisco and Funchal Madeira - San Francisco.

What are the cheapest flights from Portugal to San Francisco?

While on average a flight from Portugal to San Francisco is generally $1,460, our data shows the cheapest flight currently is $472. When looking at the most popular route, (Lisbon Humberto Delgado - San Francisco), you can expect to pay $568 for that flight.

What are the most reliable airlines from Portugal to San Francisco?

No one likes to see their flight delayed. When booking a flight from Portugal to San Francisco consider choosing JetBlue (88%), Etihad Airways (77%) or TAP AIR PORTUGAL (75%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Portugal to San Francisco?

When booking a flight from Portugal to San Francisco, you may want to consider flying on LEVEL, American Airlines or British Airways as they are the most popular for this route.

What is the cheapest day to fly round-trip from Portugal to San Francisco?

Travelers have found that booking a Monday departure is the best way to save up to 34% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Travelers have found it’s best to book a flight 56 days in advance to save up to 41% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 56 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Portugal to San Francisco 1-2 weeks in advance for as low as $627, or $887 for flights within the next 24 hours.

What is the cheapest month to fly from Portugal to San Francisco?

Flights from Portugal to San Francisco lean towards being more expensive in July. Prices are generally better when you fly from Portugal to San Francisco in February, with the cheapest ticket starting at $554.

What airport do you fly into for flights to San Francisco from Portugal?

For a flight from Portugal to San Francisco, you will be flying into San Francisco. San Francisco (SFO) is just 11.8 mi from the center of the city.

Can I find deals for flights from Portugal to San Francisco that include hotel bookings?

Yes. In addition to deals on Portugal to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Portugal to San Francisco?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to San Francisco.

Can I find deals for business class flights from Portugal to San Francisco?

Yes. Cheapflights offers flight deals from Portugal to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$714+ Flights from Portugal to San Francisco

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Cheap flight deals from Portugal to San Francisco

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$655 (Delta)
One-way from	$351 (Kiwi.com)
Popular in	July
Cheapest in	February
Average price	$771
Good round-trip deal	$806 or less
Good one-way deal	$623 or less

Provider with most accurate pricing for Lisbon Humberto Delgado-San Francisco flight deals.

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Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-San Francisco flights.

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From Portugal to San Francisco

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One-way flight from Portugal to San Francisco

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Highest demand for flights based on searches. 13% potential increase in price ($135 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Price to beat on a round-trip flight from Portugal to San Francisco.

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Price to beat on a one-way flight from Portugal to San Francisco.

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Find flight deals from Portugal to San Francisco

Cheapest flights from Portugal to San Francisco
Explore the most affordable flight options available from Portugal to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Tue 9/166:35 amLIS - SFO

1 stop17h 35mMultiple Airlines

Thu 9/254:35 pmSFO - LIS

1 stop22h 30mMultiple Airlines

Deal found 4/28

$642

Tue 9/95:00 amLIS - SFO

1 stop14h 45mDelta

Tue 9/237:00 amSFO - LIS

1 stop19h 45mDelta

Deal found 4/28

$653

Sun 5/116:20 pmOPO - SFO

1 stop25h 25mKLM

Tue 5/273:05 pmSFO - OPO

1 stop16h 25mKLM

Deal found 4/27

$664

Wed 5/1411:05 amLIS - SFO

1 stop17h 05mBritish Airways

Sun 5/187:30 pmSFO - LIS

1 stop19h 35mBritish Airways

Deal found 4/28

$665

Sun 5/116:20 pmOPO - SFO

1 stop25h 25mMultiple Airlines

Tue 5/2712:40 pmSFO - OPO

2 stops18h 50mMultiple Airlines

Deal found 4/27

$666

Sun 5/116:35 amOPO - SFO

1 stop19h 40mDelta

Tue 5/2710:00 amSFO - OPO

2 stops21h 30mDelta

Deal found 4/28

$670

Tue 11/1112:05 pmOPO - SFO

1 stop36h 20mSWISS

Tue 11/187:25 pmSFO - OPO

1 stop31h 50mSWISS

Deal found 4/27

$685

Sun 5/119:25 pmOPO - SFO

1 stop27h 50mBritish Airways

Tue 5/274:20 pmSFO - OPO

1 stop19h 10mBritish Airways

Deal found 4/27

$696

Mon 5/265:55 amLIS - SFO

1 stop18h 15mSWISS

Mon 6/27:30 pmSFO - LIS

1 stop35h 15mSWISS

Deal found 4/28

$697

Fri 5/96:35 amLIS - SFO

2 stops25h 31mFinnair

Mon 5/261:05 pmSFO - LIS

2 stops26h 05mFinnair

Deal found 4/28

$699

Wed 9/176:15 amLIS - SFO

1 stop20h 45mUnited Airlines

Mon 1/266:35 amSFO - LIS

2 stops17h 35mUnited Airlines

Deal found 4/28

$722

Sat 9/135:00 amLIS - SFO

1 stop14h 45mKLM

Fri 1/307:00 amSFO - LIS

1 stop17h 00mKLM

Deal found 4/28

$725

Best flights from Portugal to San Francisco
Discover carefully curated flight deals from Portugal to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Sat 5/105:00 amLIS - SFO

2 stops22h 00mDelta

Mon 5/265:50 amSFO - LIS

2 stops21h 25mDelta

Deal found 4/28

$655

Mon 6/236:45 pmLIS - SFO

1 stop27h 05mMultiple Airlines

Tue 7/87:20 pmSFO - LIS

1 stop19h 40mMultiple Airlines

Deal found 4/28

$660

Sun 5/116:20 pmOPO - SFO

1 stop25h 25mKLM

Tue 5/273:05 pmSFO - OPO

1 stop16h 25mKLM

Deal found 4/27

$664

Wed 5/1411:05 amLIS - SFO

1 stop17h 05mBritish Airways

Sun 5/187:30 pmSFO - LIS

1 stop19h 35mBritish Airways

Deal found 4/28

$665

Mon 5/265:55 amLIS - SFO

1 stop18h 15mSWISS

Mon 6/27:30 pmSFO - LIS

1 stop35h 15mSWISS

Deal found 4/28

$697

Fri 5/96:35 amLIS - SFO

2 stops25h 31mFinnair

Mon 5/261:05 pmSFO - LIS

2 stops26h 05mFinnair

Deal found 4/28

$699

Tue 5/611:25 amLIS - SFO

1 stop32h 10mUnited Airlines

Tue 5/208:00 amSFO - LIS

2 stops17h 20mUnited Airlines

Deal found 4/28

$724

Tue 5/612:55 pmLIS - SFO

2 stops32h 21mAir Canada

Sun 5/2511:59 pmSFO - LIS

2 stops25h 21mAir Canada

Deal found 4/28

$734

Wed 6/1112:20 pmOPO - SFO

2 stops19h 52mIberia

Wed 6/1811:15 amSFO - OPO

2 stops20h 40mIberia

Deal found 4/27

$741

Thu 5/111:05 amLIS - SFO

1 stop33h 12mAmerican Airlines

Tue 7/810:03 amSFO - LIS

2 stops20h 22mAmerican Airlines

Deal found 4/28

$764

Sat 5/107:30 amLIS - SFO

2 stops22h 11mLufthansa

Sun 5/254:11 pmSFO - LIS

2 stops21h 54mLufthansa

Deal found 4/28

$781

Mon 6/2310:25 amOPO - SFO

2 stops40h 16mAustrian Airlines

Thu 7/39:05 pmSFO - OPO

2 stops36h 50mAustrian Airlines

Deal found 4/27

$873

Last-minute flights from Portugal to San Francisco
Discover last-minute flight deals from Portugal to San Francisco. Data last updated April 29, 2025 and is based on user searches.

Thu 5/111:05 amLIS - SFO

2 stops20h 43mAmerican Airlines

Tue 7/810:03 amSFO - LIS

2 stops20h 22mAmerican Airlines

Deal found 4/28

$764

Tue 5/611:25 amLIS - SFO

1 stop32h 10mUnited Airlines

Tue 5/208:00 amSFO - LIS

2 stops17h 20mUnited Airlines

Deal found 4/28

$724

Tue 5/612:55 pmLIS - SFO

2 stops32h 21mAir Canada

Sun 5/2511:59 pmSFO - LIS

2 stops25h 21mAir Canada

Deal found 4/28

$734

Tue 5/611:25 amLIS - SFO

1 stop16h 45mMultiple Airlines

Thu 5/227:30 pmSFO - LIS

1 stop19h 50mMultiple Airlines

Deal found 4/28

$783

Tue 5/610:10 amLIS - SFO

Nonstop12h 25mTAP AIR PORTUGAL

Sat 5/247:20 pmSFO - LIS

Nonstop11h 10mTAP AIR PORTUGAL

Deal found 4/28

$1,222

Wed 5/712:20 pmOPO - SFO

1 stop35h 50mAmerican Airlines

Wed 5/212:25 pmSFO - OPO

2 stops17h 30mAmerican Airlines

Deal found 4/28

$795

Wed 5/712:20 pmOPO - SFO

2 stops19h 46mIberia

Wed 5/214:20 pmSFO - OPO

2 stops19h 35mIberia

Deal found 4/28

$798

Wed 5/78:10 pmOPO - SFO

1 stop23h 35mKLM

Wed 5/218:25 pmSFO - OPO

1 stop28h 00mKLM

Deal found 4/27

$831

Thu 5/86:35 amLIS - SFO

1 stop17h 35mBritish Airways

Sat 5/247:30 pmSFO - LIS

1 stop19h 40mBritish Airways

Deal found 4/28

$695

Thu 5/85:00 amLIS - SFO

2 stops20h 48mDelta

Sat 5/2412:40 pmSFO - LIS

2 stops21h 15mDelta

Deal found 4/28

$750

Fri 5/96:35 amLIS - SFO

2 stops25h 31mFinnair

Mon 5/261:05 pmSFO - LIS

2 stops26h 05mFinnair

Deal found 4/28

$699

Fri 5/95:55 amLIS - SFO

1 stop18h 15mSWISS

Thu 5/227:30 pmSFO - LIS

1 stop19h 50mSWISS

Deal found 4/28

$799

One-way flights from Portugal to San Francisco
Search for one-way flight options from Portugal to San Francisco. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Sun 6/82:30 pmOPO - SFO

2 stops32h 00mMultiple Airlines

Deal found 4/27

$351

Fri 6/66:30 amFNC - SFO

2 stops39h 20mMultiple Airlines

Deal found 4/28

$414

Tue 9/308:35 amOPO - SFO

1 stop17h 35mIberia

Deal found 4/27

$431

Sun 6/89:10 amLIS - SFO

1 stop16h 50mVueling

Deal found 4/27

$457

Sat 6/149:15 pmLIS - SFO

1 stop28h 45mIberia

Deal found 4/28

$460

Fri 5/210:40 pmLIS - SFO

3 stops32h 34mMultiple Airlines

Deal found 4/28

$462

Thu 6/129:40 amLIS - SFO

Nonstop12h 50mTAP AIR PORTUGAL

Deal found 4/28

$476

Sun 5/410:15 pmLIS - SFO

1 stop25h 40mAer Lingus

Deal found 4/28

$524

Thu 5/89:40 amLIS - SFO

Nonstop12h 50mJetBlue

Deal found 4/28

$622

Sat 6/710:40 amOPO - SFO

2 stops21h 03mBritish Airways

Deal found 4/27

$631

Thu 6/196:35 amLIS - SFO

2 stops22h 23mFinnair

Deal found 4/28

$639

Sat 6/2810:55 amLIS - SFO

1 stop31h 40mTurkish Airlines

Deal found 4/28

$678

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Tue 9/16

6:35 am-4:10 pm

1 stop17h 35m

San Francisco

Thu 9/25

4:35 pm-11:05 pm

1 stop22h 30m

$642

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Tue 9/9

5:00 am-11:45 am

1 stop14h 45m

San Francisco

Tue 9/23

1:00 pm-5:55 pm

2 stops20h 55m

$650

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Sun 5/11

6:20 pm-11:45 am

1 stop25h 25m

San Francisco

Tue 5/27

3:05 pm-3:30 pm

1 stop16h 25m

$664

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Wed 5/14

11:05 am-8:10 pm

1 stop17h 05m

San Francisco

Sun 5/18

7:30 pm-11:05 pm

1 stop19h 35m

$665

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Sun 5/11

6:20 pm-11:45 am

1 stop25h 25m

San Francisco

Tue 5/27

12:40 pm-3:30 pm

2 stops18h 50m

$666

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Sun 5/11

6:35 am-6:15 pm

1 stop19h 40m

San Francisco

Tue 5/27

10:00 am-3:30 pm

2 stops21h 30m

$670

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Sun 5/11

9:25 pm-5:15 pm

1 stop27h 50m

San Francisco

Tue 5/27

4:20 pm-7:30 pm

1 stop19h 10m

$696

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Mon 5/26

5:55 am-4:10 pm

1 stop18h 15m

San Francisco

Mon 6/2

7:30 pm-2:45 pm

1 stop35h 15m

$697

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Fri 5/9

6:35 am-12:06 am

2 stops25h 31m

San Francisco

Mon 5/26

1:05 pm-11:10 pm

2 stops26h 05m

$699

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Wed 9/17

6:15 am-7:00 pm

1 stop20h 45m

San Francisco

Mon 1/26

6:35 am-8:10 am

2 stops17h 35m

$722

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 53 results

...

Best time to book a flight from Portugal to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Portugal with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portugal to San Francisco

What is the cheapest month to book a flight from Portugal to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Portugal to San Francisco (average of $276). Flying from Portugal to San Francisco in June is currently the most expensive (average of $393). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PT to SFO?

When flying from Portugal to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in San Francisco by month

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

See what other customers who have flown with Delta, KLM and Finnair from Portugal to San Francisco have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,929 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,273 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines

7.6

Good

780 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

SWISS

7.5

Good

1,587 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What airport do you fly into for flights to San Francisco from Portugal?
For a flight from Portugal to San Francisco, you will be flying into San Francisco. San Francisco (SFO) is just 11.8 mi from the center of the city.
How popular is this Portugal to San Francisco flight route?
This flight path from Portugal to San Francisco was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What are the cheapest airlines to fly from Portugal to San Francisco one-way?
To fly one-way, consider booking your trip with Iberia, which is currently one of the cheapest options available, starting at $431. Vueling flights start at $457 while deals on TAP AIR PORTUGAL start at $476 one-way.
What are the most popular routes from Portugal to San Francisco?
The most popular flight routes from Portugal to San Francisco are Lisbon Humberto Delgado - San Francisco, Porto - San Francisco and Funchal Madeira - San Francisco.
What are the most reliable airlines from Portugal to San Francisco?
No one likes to see their flight delayed. When booking a flight from Portugal to San Francisco consider choosing JetBlue (88%), Etihad Airways (77%) or TAP AIR PORTUGAL (75%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Portugal to San Francisco?
While on average a flight from Portugal to San Francisco is generally $1,460, our data shows the cheapest flight currently is $472. When looking at the most popular route, (Lisbon Humberto Delgado - San Francisco), you can expect to pay $568 for that flight.
Can I find deals for flights from Portugal to San Francisco that include hotel bookings?
Yes. In addition to deals on Portugal to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portugal to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to San Francisco.
Can I find deals for business class flights from Portugal to San Francisco?
Yes. Cheapflights offers flight deals from Portugal to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Portugal to San Francisco?
Currently, January is the cheapest month in which you can book a flight from Portugal to San Francisco (average of $276). Flying from Portugal to San Francisco in June is currently the most expensive (average of $393). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Santa Cruz

Turlock

Livermore

South San Francisco

Fairfield

Manteca

Richmond

Watsonville

Hollister

Milpitas

Antioch

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Newark

Hayward

Alameda

Sunnyvale

Campbell

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Top 8 airlines flying from Portugal to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
LEVEL	Cheapest$473	Average$641	FlexibilityNo cancel fee	On-timeN/A
Delta	Cheapest$528	Average$741	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$573	Average$723	FlexibilityNo cancel fee	On-time70%
Iberia	Cheapest$613	Average$754	FlexibilityNo cancel fee	On-time77%
TAP AIR PORTUGAL	Cheapest$648	Average$876	FlexibilityNo cancel fee	On-timeN/A
Lufthansa	Cheapest$659	Average$845	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$669	Average$877	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$699	Average$764	FlexibilityNo cancel fee	On-time71%

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$351+ Cheap flights from Portugal to San Francisco (SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portugal to San Francisco with Cheapflights

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Cheap flight deals from Portugal to San Francisco

Keep the following information in mind while searching for Portugal to San Francisco flight deals. Data was last updated April 29, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Portugal to San Francisco

Cheapest flights from Portugal to San FranciscoExplore the most affordable flight options available from Portugal to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Explore the most affordable flight options available from Portugal to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Portugal to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Portugal with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Portugal to San Francisco

What is the cheapest month to book a flight from Portugal to San Francisco?

What is the cheapest time of day to fly from PT to SFO?

Find hourly flight availability from Portugal to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

Reviews of airlines servicing San Francisco

See what other customers who have flown with Delta, KLM and Finnair from Portugal to San Francisco have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Portugal to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to San Francisco from Portugal?

How popular is this Portugal to San Francisco flight route?

What are the cheapest airlines to fly from Portugal to San Francisco one-way?

What are the most popular routes from Portugal to San Francisco?

What are the most reliable airlines from Portugal to San Francisco?

What are the cheapest flights from Portugal to San Francisco?

Can I find deals for flights from Portugal to San Francisco that include hotel bookings?

How can I find direct flights from Portugal to San Francisco?

Can I find deals for business class flights from Portugal to San Francisco?

What is the cheapest month to book a flight from Portugal to San Francisco?

Traveling to a place near Portugal?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Portugal to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Portugal to San Francisco

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Cheapest flights from Portugal to San Francisco
Explore the most affordable flight options available from Portugal to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.