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Algarve

$420+ Cheap flights from San Francisco (SFO) to Algarve

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — FAO
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from San Francisco to Algarve

Cheapest flights from San Francisco to Algarve
Explore the most affordable flight options available from San Francisco to Algarve. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This oojo deal was found by Cheapflights users on 1/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/254:35 pm
SFO
-
FAO
1 stop23h 15m
TAP AIR PORTUGAL
Sun 3/14:35 pm
FAO
-
SFO
1 stop30h 00m
TAP AIR PORTUGAL
Deal found 1/18$521
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.
Wed 4/221:45 pm
SFO
-
FAO
1 stop33h 25m
KLM
Tue 4/287:55 pm
FAO
-
SFO
1 stop23h 50m
KLM
Deal found 1/20$532
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.
Wed 2/255:45 am
SFO
-
FAO
2 stops19h 50m
KLM
Mon 3/210:05 am
FAO
-
SFO
1 stop33h 45m
KLM
Deal found 1/20$537
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.
Fri 9/44:45 pm
SFO
-
FAO
1 stop17h 10m
Scandinavian Airlines
Sat 9/126:45 pm
FAO
-
SFO
1 stop27h 55m
Scandinavian Airlines
Deal found 1/19$551
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/255:30 pm
SFO
-
FAO
1 stop16h 40m
British Airways
Mon 3/27:05 pm
FAO
-
SFO
1 stop27h 55m
British Airways
Deal found 1/20$565
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.
Tue 2/171:55 pm
SFO
-
FAO
1 stop35h 40m
KLM
Sat 2/289:15 am
FAO
-
SFO
1 stop34h 35m
KLM
Deal found 1/20$583

Find flight deals from San Francisco to Algarve

Keep the following information in mind while searching for San Francisco to Algarve flight deals. Data was last updated January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$521
(oojo)

One-way from

$420
(KAYAK)

Popular in

June

Cheapest in

February

Average price

$652
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 Algarve
Search Deals
One-way flight from San Francisco to Algarve
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($334 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Algarve 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 21, 2026.
Use the filters below to find and compare flights from San Francisco to Algarve that are best for you.

Fly from

San Francisco

Fly to

Algarve

Route

Depart

Return

Price

San FranciscoFaro

SFO - FAO

SFOFAO

San Francisco

Wed 4/22

1:45 pm-7:10 am

1 stop33h 25m

Faro

Tue 4/28

7:55 pm-11:45 am

1 stop23h 50m

$532

San FranciscoFaro

SFO - FAO

SFOFAO

San Francisco

Wed 2/25

5:45 am-9:35 am

2 stops19h 50m

Faro

Mon 3/2

10:05 am-11:50 am

1 stop33h 45m

$537

San FranciscoFaro

SFO - FAO

SFOFAO

San Francisco

Tue 2/17

1:55 pm-9:35 am

1 stop35h 40m

Faro

Sat 2/28

9:15 am-11:50 am

1 stop34h 35m

$583

San FranciscoFaro

SFO - FAO

SFOFAO

San Francisco

Fri 2/27

7:10 pm-11:50 pm

1 stop20h 40m

Faro

Wed 4/8

6:10 pm-4:35 pm

1 stop30h 25m

$604

San FranciscoFaro

SFO - FAO

SFOFAO

San Francisco

Fri 2/27

4:59 pm-10:45 am

2 stops33h 46m

Faro

Wed 4/8

8:00 pm-1:50 pm

1 stop25h 50m

$640

San FranciscoFaro

SFO - FAO

SFOFAO

San Francisco

Thu 4/2

4:45 pm-9:35 am

2 stops32h 50m

$420

San FranciscoFaro

SFO - FAO

SFOFAO

San Francisco

Wed 2/25

5:30 pm-6:10 pm

1 stop16h 40m

$430

San FranciscoFaro

SFO - FAO

SFOFAO

San Francisco

Tue 2/24

12:43 am-11:40 am

3 stops26h 57m

$458

San FranciscoFaro

SFO - FAO

SFOFAO

San Francisco

Thu 4/2

1:45 pm-6:40 pm

1 stop20h 55m

$475

San FranciscoFaro

SFO - FAO

SFOFAO

San Francisco

Mon 6/1

8:41 pm-7:10 pm

2 stops38h 29m

$7,083

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 11 results
1
2

Best time to book a flight from San Francisco to Algarve

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

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

Currently, November is the cheapest month in which you can book a flight from San Francisco to Algarve (average of $507). Flying from San Francisco to Algarve in June is currently the most expensive (average of $1,243). 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.

Reviews of airlines servicing Algarve

Get insights into the airlines that provide service to Algarve. 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 Algarve. Reviews last updated January 21, 2026.
Get a feel of what it's like to fly with United Airlines and TAP AIR PORTUGAL from San Francisco to Algarve by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,191 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

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
9,191 reviews
United Airlines
7.4
Good
9,191 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

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
7.1
Good
2,124 reviews
United Airlines
7.4
Good
9,191 reviews

Overall

7.4

Comfort

7.3

Crew

8.1

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 Algarve. 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 Algarve?

    San Francisco (SFO), located 11.8 mi from the city center, is the airport you fly out of when you book flights from San Francisco to Algarve.

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

    Airlines like KLM fly from San Francisco to Algarve in about 33h 25m. The time it takes to get you to your destination can typically vary by up to . The distance between San Francisco and Algarve is about 5794 mi.

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

    One-way options have recently been found by users for as low as $381 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include British Airways from $384 and Aer Lingus from $399 one-way.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from San Francisco to Algarve (average of $507). Flying from San Francisco to Algarve in June is currently the most expensive (average of $1,243). 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 2 airlines flying from San Francisco to Algarve

Discover the top 2 airlines that operate flights from San Francisco to Algarve. 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 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$619Average$784FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$978Average$1,350FlexibilityNo cancel feeOn-time69%

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