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Portimão

$438+ Cheap flights from San Francisco (SFO) to Portimão, 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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — FAO
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
1 adult, Economy
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Cheap flight deals from San Francisco to Portimão

Cheapest flights from San Francisco to Portimão
Explore the most affordable flight options available from San Francisco to Portimão. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 17, 2025.

This Expedia deal was found by Cheapflights users on 12/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:20 pmSFO - FAO
1 stop16h 10mMultiple Airlines
Tue 1/611:10 amFAO - SFO
2 stops41h 38mMultiple Airlines
Deal found 12/15$1,259
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/294:35 pmSFO - FAO
1 stop15h 10mMultiple Airlines
Sun 1/46:50 amFAO - SFO
2 stops48h 20mMultiple Airlines
Deal found 12/16$1,942
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:40 pmSFO - FAO
1 stop31h 40mLufthansa
Sun 1/41:30 pmFAO - SFO
1 stop31h 10mLufthansa
Deal found 12/16$3,778

Find flight deals from San Francisco to Portimão

Keep the following information in mind while searching for San Francisco to Portimão flight deals. Data was last updated December 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$488
(FlightHub)

One-way from

$438
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$1,270
Provider with most accurate pricing for San Francisco-Faro flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Faro flights.
Search Deals
From San Francisco to Portimão
Search Deals
One-way flight from San Francisco to Portimão
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($279 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Portimão 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 17, 2025.
Use the filters below to find and compare flights from San Francisco to Portimão that are best for you.

Fly from

San Francisco

Fly to

Portimão

Route

Depart

Return

Price

San FranciscoFaro

SFO - FAO

SFOFAO

San Francisco

Mon 2/23

4:40 pm-9:45 am

2 stops33h 05m

Faro

Wed 3/4

10:35 am-2:35 pm

2 stops36h 00m

$488

San FranciscoFaro

SFO - FAO

SFOFAO

San Francisco

Sat 1/31

6:55 pm-10:50 am

2 stops55h 55m

Faro

Sat 2/7

5:10 pm-2:35 pm

1 stop29h 25m

$564

San FranciscoFaro

SFO - FAO

SFOFAO

San Francisco

Fri 1/30

4:40 pm-4:20 pm

1 stop15h 40m

Faro

Tue 2/3

11:40 am-10:54 pm

2 stops43h 14m

$568

San FranciscoFaro

SFO - FAO

SFOFAO

San Francisco

Sat 1/31

4:35 pm-3:45 pm

1 stop15h 10m

Faro

Sat 2/7

6:05 am-2:45 pm

1 stop16h 40m

$605

San FranciscoFaro

SFO - FAO

SFOFAO

San Francisco

Mon 2/23

12:10 pm-6:05 pm

2 stops21h 55m

Faro

Wed 3/4

6:40 pm-6:45 pm

1 stop32h 05m

$639

San FranciscoFaro

SFO - FAO

SFOFAO

San Francisco

Tue 2/17

11:59 pm-5:30 pm

3 stops33h 31m

Faro

Sat 2/28

10:45 am-9:11 am

3 stops30h 26m

$733

San FranciscoFaro

SFO - FAO

SFOFAO

San Francisco

Mon 2/23

8:25 am-11:50 pm

3 stops31h 25m

Faro

Wed 3/4

4:35 pm-4:30 pm

3 stops31h 55m

$742

San FranciscoFaro

SFO - FAO

SFOFAO

San Francisco

Thu 1/1

7:55 pm-9:05 am

1 stop29h 10m

$438

San FranciscoFaro

SFO - FAO

SFOFAO

San Francisco

Sun 12/28

10:35 pm-10:25 am

2 stops51h 50m

$859

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Best time to book a flight from San Francisco to Portimão

Have a flexible travel schedule? Discover the best time to fly to Portimão 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.

Cheapflights Insights

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

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

Currently, November is the cheapest month in which you can book a flight from San Francisco to Portimão (average of $507). Flying from San Francisco to Portimão in July is currently the most expensive (average of $1,103). 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 P0T?

Find hourly flight availability from San Francisco to Portimão. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 17, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 31% on flights from San Francisco to Portimão by exploring options for tickets in the evening.

Reviews of airlines servicing Portimão

Get insights into the airlines that provide service to Portimão. 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 Portimão. Reviews last updated December 17, 2025.
Read through reviews of airlines operating flights from San Francisco to Portimão, such as United Airlines, TAP AIR PORTUGAL, and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,092 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
9,092 reviews
United Airlines
7.4
Good
9,092 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
TAP AIR PORTUGAL
7.2
Good
2,091 reviews
United Airlines
7.4
Good
9,092 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,583 reviews
United Airlines
7.4
Good
9,092 reviews

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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

    Most people fly from San Francisco (SFO) if they book a flight from San Francisco to Portimão. On average, San Francisco has 0 outbound flights to Portimão per day from 3 airlines. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

  • How long is the flight from San Francisco to Portimão?

    Departing from San Francisco to Portimão will take you 33h 05m. San Francisco and Portimão are separated by a distance of 5794 mi.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from San Francisco to Portimão (average of $507). Flying from San Francisco to Portimão in July is currently the most expensive (average of $1,103). 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 3 airlines flying from San Francisco to Portimão

Discover the top 3 airlines that operate flights from San Francisco to Portimão. 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$619Average$790FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$715Average$858FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$978Average$1,350FlexibilityNo cancel feeOn-time69%

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