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$326+ Cheap flights from San Francisco (SFO) to Portugal

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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LIS
Jan 25 — Feb 11
Sat 1/25
Sat 2/1
1 adult, Economy
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Cheap flight deals from San Francisco to Portugal

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Portugal (PT0). 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 January 20, 2025.

Round-trip from

$498
(Ovago)

One-way from

$343
(Kiwi.com)
From San Francisco to Portugal
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One-way flight from San Francisco to Portugal
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Find flight deals from San Francisco to Portugal

Cheapest flights from San Francisco to Portugal
Explore the most affordable flight options available from San Francisco to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2025.

This Ovago deal was found by Cheapflights users on 1/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/106:30 pmSFO - FAO
2 stops32h 10mScandinavian Airlines
Wed 3/1910:30 amFAO - SFO
2 stops37h 10mScandinavian Airlines
Deal found 1/20$498
This Gotogate deal was found by Cheapflights users on 1/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/247:15 pmSFO - OPO
1 stop13h 45mTAP AIR PORTUGAL
Fri 2/76:55 amOPO - SFO
1 stop15h 20mTAP AIR PORTUGAL
Deal found 1/20$578
This oojo deal was found by Cheapflights users on 1/19. 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.
Wed 3/55:30 pmSFO - OPO
1 stop33h 40mScandinavian Airlines
Wed 3/1211:35 amOPO - SFO
2 stops36h 05mScandinavian Airlines
Deal found 1/19$605
This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/311:55 amSFO - LIS
1 stop13h 25mAir Canada
Tue 5/611:25 amLIS - SFO
2 stops29h 54mAir Canada
Deal found 1/20$608
This Booking.com deal was found by Cheapflights users on 1/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/247:15 pmSFO - LIS
Nonstop10h 55mTAP AIR PORTUGAL
Fri 2/79:10 amLIS - SFO
Nonstop13h 05mTAP AIR PORTUGAL
Deal found 1/20$609
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Thu 3/279:35 pmSFO - LIS
1 stop18h 55mUnited Airlines
Thu 4/310:25 amLIS - SFO
2 stops22h 57mUnited Airlines
Deal found 1/20$610
This Delta deal was found by Cheapflights users on 1/20. 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 2/201:31 pmSFO - LIS
2 stops19h 59mDelta
Tue 2/255:00 amLIS - SFO
2 stops21h 06mDelta
Deal found 1/20$611
This Gotogate deal was found by Cheapflights users on 1/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/94:20 pmSFO - FAO
1 stop23h 30mTAP AIR PORTUGAL
Sat 5/176:05 amFAO - SFO
1 stop19h 45mTAP AIR PORTUGAL
Deal found 1/19$611
This KLM deal was found by Cheapflights users on 1/20. 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.
Thu 3/61:50 pmSFO - LIS
1 stop25h 20mKLM
Tue 3/115:00 amLIS - SFO
2 stops20h 49mKLM
Deal found 1/20$612
This Flighttix deal was found by Cheapflights users on 1/19. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/208:25 amSFO - LIS
1 stop16h 55mMultiple Airlines
Mon 2/33:25 pmLIS - SFO
1 stop33h 00mMultiple Airlines
Deal found 1/19$614
This Mytrip deal was found by Cheapflights users on 1/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/288:40 pmSFO - LIS
1 stop17h 45mBritish Airways
Sun 3/97:45 amLIS - SFO
2 stops20h 10mBritish Airways
Deal found 1/19$620
This Mytrip deal was found by Cheapflights users on 1/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/58:30 amSFO - OPO
2 stops22h 30mMultiple Airlines
Wed 3/129:55 pmOPO - SFO
2 stops22h 40mMultiple Airlines
Deal found 1/19$622

Find flights from San Francisco to Portugal within your budget

Customize your flight search to find flights from San Francisco to Portugal 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 January 20, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoFaro

SFO - FAO

SFOFAO

San Francisco

Mon 3/10

6:30 pm-9:40 am

2 stops32h 10m

Faro

Wed 3/19

10:30 am-4:40 pm

2 stops37h 10m

$498

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

Sat 5/3

4:20 pm-11:15 pm

1 stop22h 55m

Porto

Sat 5/10

9:00 am-5:50 pm

1 stop16h 50m

$577

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

Wed 3/5

5:30 pm-11:10 am

1 stop33h 40m

Porto

Wed 3/12

11:35 am-4:40 pm

2 stops36h 05m

$605

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Wed 3/19

6:30 pm-9:50 pm

1 stop20h 20m

Lisbon Humberto Delgado

Wed 4/23

12:30 pm-11:42 pm

2 stops19h 12m

$608

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Wed 3/26

8:25 pm-2:20 pm

2 stops34h 55m

Lisbon Humberto Delgado

Sun 4/6

2:30 pm-4:10 pm

2 stops57h 40m

$609

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Thu 3/27

9:35 pm-11:30 pm

1 stop18h 55m

Lisbon Humberto Delgado

Thu 4/3

10:25 am-1:22 am

2 stops22h 57m

$610

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 1/31

9:21 am-2:35 pm

2 stops21h 14m

Lisbon Humberto Delgado

Thu 2/6

5:30 am-1:10 pm

1 stop15h 40m

$611

San FranciscoFaro

SFO - FAO

SFOFAO

San Francisco

Fri 5/9

4:20 pm-11:50 pm

1 stop23h 30m

Faro

Sat 5/17

6:05 am-5:50 pm

1 stop19h 45m

$611

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Mon 2/17

1:50 pm-10:35 am

1 stop36h 45m

Lisbon Humberto Delgado

Mon 3/3

5:00 am-3:47 pm

2 stops18h 47m

$612

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 3/14

8:15 pm-2:10 pm

Nonstop10h 55m

Lisbon Humberto Delgado

Sat 3/22

9:55 am-3:55 pm

Nonstop13h 00m

$613

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 60 results
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Best time to book a flight from San Francisco to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from San Francisco 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 San Francisco to Portugal

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

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

Currently, January is the cheapest month in which you can book a flight from San Francisco to Portugal (average of $612). Flying from San Francisco to Portugal in June is currently the most expensive (average of $1,247). 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 SFO to PT?

Find hourly flight availability from San Francisco to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 20, 2025.

When flying from San Francisco to Portugal, 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 Portugal by month

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

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

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

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 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 Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated January 20, 2025.
To help decide which airline to fly from San Francisco to Portugal, see what other customers have to say about Iberia, Air Canada and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Transat
7.8
Good
381 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines
7.6
Good
786 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.5
Good
1,599 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Overall

8.0

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Portugal. 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 from for flights from San Francisco to Portugal?

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

  • How popular is this San Francisco to Portugal flight route?

    This flight path from San Francisco to Portugal was viewed by 101 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 San Francisco to Portugal one-way?

    The cheapest airlines for a one-way flight from San Francisco to Portugal are TAP AIR PORTUGAL ($370), British Airways ($397), and Scandinavian Airlines ($398).

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

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

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco to Portugal on time: JetBlue (67%), Etihad Airways (62%), TAP AIR PORTUGAL (62%).

  • What are the cheapest flights from San Francisco to Portugal?

    Looking at all options, your cheapest flight can be booked for $365. While the most popular route (San Francisco - Lisbon Humberto Delgado) can be booked for $505 on average our data indicates $1,703 when flying from San Francisco to Portugal.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to Portugal 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 San Francisco to Portugal?

    Currently, January is the cheapest month in which you can book a flight from San Francisco to Portugal (average of $612). Flying from San Francisco to Portugal in June is currently the most expensive (average of $1,247). 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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Top 10 airlines flying from San Francisco to Portugal

Discover the top 10 airlines that operate flights from San Francisco to Portugal. 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 January 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$375Average$993FlexibilityNo cancel feeOn-timeN/A
LEVELCheapest$464Average$1,026FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$516Average$1,022FlexibilityNo cancel feeOn-time77%
DeltaCheapest$559Average$1,010FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$565Average$1,003FlexibilityNo cancel feeOn-time75%
VuelingCheapest$582Average$987FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$591Average$807FlexibilityNo cancel feeOn-time71%
Scandinavian AirlinesCheapest$596Average$690FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$609Average$835FlexibilityNo cancel feeOn-time70%
SWISSCheapest$614Average$923FlexibilityNo cancel feeOn-time79%
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