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$392+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — SFO
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from Portugal to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Portugal (PT0) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2024.

Round-trip from

$566
(Mytrip)

One-way from

$392
(Kiwi.com)
From Portugal to San Francisco
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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 December 18, 2024.

This KLM deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2411:25 amLIS - SFO
1 stop32h 25mMultiple Airlines
Wed 1/83:25 pmSFO - LIS
1 stop18h 05mMultiple Airlines
Deal found 12/17$665
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2411:00 amLIS - SFO
1 stop18h 51mUnited Airlines
Wed 1/87:15 amSFO - LIS
2 stops16h 55mUnited Airlines
Deal found 12/17$674
This Delta deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/268:50 amLIS - SFO
1 stop21h 06mDelta
Sat 1/41:45 pmSFO - LIS
1 stop16h 50mDelta
Deal found 12/18$682
This Virgin Atlantic deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/268:50 amLIS - SFO
2 stops23h 00mVirgin Atlantic
Tue 1/75:55 amSFO - LIS
2 stops18h 05mVirgin Atlantic
Deal found 12/17$695
This American Airlines deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/237:05 amLIS - SFO
1 stop19h 40mAmerican Airlines
Mon 12/308:40 pmSFO - LIS
1 stop17h 15mAmerican Airlines
Deal found 12/18$697
This AirNGo deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/217:00 amLIS - SFO
1 stop16h 00mBritish Airways
Mon 1/204:18 pmSFO - LIS
2 stops18h 37mBritish Airways
Deal found 12/18$717
This SWISS deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/183:25 pmLIS - SFO
1 stop33h 00mSWISS
Wed 3/191:50 pmSFO - LIS
2 stops17h 45mSWISS
Deal found 12/18$924
This Orbitz deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/188:00 pmLIS - SFO
2 stops31h 01mBrussels Airlines
Wed 3/1910:45 amSFO - LIS
2 stops20h 00mBrussels Airlines
Deal found 12/18$947
This Rumbo deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/219:55 amLIS - SFO
Nonstop13h 00mTAP AIR PORTUGAL
Mon 1/204:40 pmSFO - LIS
Nonstop10h 55mTAP AIR PORTUGAL
Deal found 12/18$1,268
This oojo deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2311:35 amLIS - SFO
1 stop37h 10mTurkish Airlines
Fri 1/31:10 pmSFO - LIS
1 stop36h 55mTurkish Airlines
Deal found 12/17$2,523
This Flightnetwork deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2910:50 amLIS - SFO
2 stops18h 30mAir Canada
Tue 1/78:30 amSFO - LIS
2 stops18h 30mAir Canada
Deal found 12/16$3,956

Find flights from Portugal to San Francisco within your budget

Customize your flight search to find flights from Portugal to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Fri 1/31

5:30 pm-2:55 pm

2 stops29h 25m

San Francisco

Fri 2/7

7:15 pm-11:10 pm

2 stops19h 55m

$566

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Sat 2/22

1:50 pm-3:40 pm

2 stops33h 50m

San Francisco

Wed 3/5

5:30 pm-9:25 pm

2 stops19h 55m

$571

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Fri 1/17

11:05 am-10:16 pm

1 stop19h 11m

San Francisco

Fri 1/31

8:40 pm-10:25 pm

1 stop17h 45m

$574

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Fri 1/17

6:45 pm-3:00 pm

1 stop28h 15m

San Francisco

Fri 1/31

10:40 am-2:55 pm

2 stops20h 15m

$581

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Mon 2/3

5:00 am-8:46 pm

2 stops23h 46m

San Francisco

Fri 2/21

8:25 am-9:20 am

1 stop16h 55m

$597

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Mon 1/27

3:25 pm-4:25 pm

1 stop33h 00m

San Francisco

Mon 2/3

7:25 pm-11:25 am

1 stop32h 00m

$653

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Fri 1/31

6:55 am-3:55 pm

1 stop17h 00m

San Francisco

Fri 2/7

7:15 pm-5:00 pm

1 stop13h 45m

$665

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Thu 1/16

12:05 pm-4:25 pm

1 stop36h 20m

San Francisco

Sat 2/1

7:25 pm-11:10 am

1 stop31h 45m

$666

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Wed 1/22

5:30 am-1:10 pm

1 stop15h 40m

San Francisco

Fri 1/31

6:15 am-11:20 am

2 stops21h 05m

$669

PortoSan Francisco

OPO - SFO

OPOSFO

Porto

Fri 4/4

12:10 pm-3:31 pm

2 stops35h 21m

San Francisco

Mon 4/14

2:40 pm-3:45 pm

1 stop17h 05m

$669

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 51 results
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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.

Travel insights for flights from Portugal to San Francisco

Get recent, data-driven insights about flights from Portugal to San Francisco including ideal travel times, pricing trends, and more.

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 $381). 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?

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 December 18, 2024.

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

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

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

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated December 18, 2024.
See what other customers who have flown with SWISS, Delta and American Airlines 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
8,604 reviews

Crew

8.6

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

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

Delta
8.0
Very good
8,604 reviews
Delta
8.0
Very good
8,604 reviews

Crew

8.6

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

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

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,604 reviews

Crew

8.6

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

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

Air Transat
7.8
Good
389 reviews
Delta
8.0
Very good
8,604 reviews

Crew

8.6

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

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

Finnair
7.7
Good
1,285 reviews
Delta
8.0
Very good
8,604 reviews

Crew

8.6

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

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

SWISS
7.6
Good
1,606 reviews
Delta
8.0
Very good
8,604 reviews

Crew

8.6

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 10

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

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?

    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 $475. British Airways flights start at $606 while deals on TAP AIR PORTUGAL start at $610 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 Etihad Airways (76%), TAP AIR PORTUGAL (70%) or JetBlue (60%) 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 $1,675, our data shows the cheapest flight currently is $584. When looking at the most popular route, (Lisbon Humberto Delgado - San Francisco), you can expect to pay $560 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 $381). 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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Alternative routes for Portugal to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Portugal to San Francisco

Discover the top 9 airlines that operate flights from Portugal to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$528Average$716FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$564Average$830FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$593Average$703FlexibilityNo cancel feeOn-time70%
TAP AIR PORTUGALCheapest$611Average$944FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$613Average$814FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$659Average$904FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$678Average$813FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$688Average$873FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$689Average$764FlexibilityNo cancel feeOn-time71%
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