How popular is this San Francisco to Portugal flight route?

This flight path from San Francisco to Portugal was viewed by 90 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 ($338), Iberia ($352), and Vueling ($362).

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 - Porto and San Francisco - Lajes.

What are the cheapest flights from San Francisco to Portugal?

Looking at all options, your cheapest flight can be booked for $285. While the most popular route (San Francisco - Lisbon Humberto Delgado) can be booked for $552 on average our data indicates $2,102 when flying from San Francisco to Portugal.

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: Etihad Airways (71%), TAP AIR PORTUGAL (71%), JetBlue (69%).

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

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

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

Users have found that flying from San Francisco to Portugal on a Wednesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

To save on the cost of your flight from San Francisco to Portugal, book at least 18 days before your planned departure. Booking around this time can save you about 3% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $767 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,087.

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

Our data shows that February tends to be the cheapest month to fly to Portugal from San Francisco. Users have commonly found prices around $888 for the month, but tickets can be as low as $533. Due to multiple factors, prepare for potentially higher prices in June.

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.

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.

$634+ Flights from San Francisco to Portugal

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Cheap flight deals from San Francisco to Portugal

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$546 (Gotogate)
One-way from	$325 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$736
Good round-trip deal	$750 or less
Good one-way deal	$402 or less

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

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

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From San Francisco to Portugal

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One-way flight from San Francisco to Portugal

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Highest demand for flights based on searches. 19% potential increase in price ($211 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

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

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Price to beat on a 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 March 26, 2025.

Mon 4/217:40 pmSFO - OPO

1 stop31h 20mScandinavian Airlines

Wed 5/712:15 pmOPO - SFO

1 stop36h 15mScandinavian Airlines

Deal found 3/25

$546

Sat 11/18:30 amSFO - LIS

1 stop17h 50mAir Canada

Tue 11/1111:00 amLIS - SFO

1 stop32h 36mAir Canada

Deal found 3/24

$613

Sun 11/211:59 pmSFO - LIS

2 stops24h 11mUnited Airlines

Tue 11/1111:00 amLIS - SFO

1 stop32h 36mUnited Airlines

Deal found 3/25

$615

Sun 9/218:10 pmSFO - LIS

1 stop16h 30mIberia

Tue 9/309:10 amLIS - SFO

1 stop17h 00mIberia

Deal found 3/25

$620

Wed 4/93:05 pmSFO - LIS

1 stop15h 45mMultiple Airlines

Tue 4/223:35 pmLIS - SFO

1 stop28h 10mMultiple Airlines

Deal found 3/25

$621

Sun 11/28:35 pmSFO - LIS

1 stop18h 55mLufthansa

Wed 11/126:10 amLIS - SFO

1 stop20h 35mLufthansa

Deal found 3/25

$625

Tue 4/221:40 pmSFO - LIS

2 stops20h 10mDelta

Tue 5/65:00 amLIS - SFO

1 stop14h 45mDelta

Deal found 3/25

$626

Mon 4/217:30 pmSFO - LIS

1 stop19h 50mSWISS

Mon 5/55:55 amLIS - SFO

1 stop18h 15mSWISS

Deal found 3/25

$627

Fri 4/252:27 pmSFO - LIS

2 stops24h 43mBritish Airways

Tue 5/66:45 pmLIS - SFO

1 stop27h 05mBritish Airways

Deal found 3/25

$633

Sat 4/267:20 pmSFO - LIS

Nonstop11h 10mTAP AIR PORTUGAL

Fri 5/212:20 pmLIS - SFO

Nonstop12h 30mTAP AIR PORTUGAL

Deal found 3/26

$651

Tue 5/138:00 pmSFO - OPO

1 stop28h 00mMultiple Airlines

Tue 5/207:35 amOPO - SFO

1 stop18h 25mMultiple Airlines

Deal found 3/24

$652

Tue 10/147:30 pmSFO - OPO

1 stop28h 15mSWISS

Wed 10/228:40 amOPO - SFO

1 stop15h 30mSWISS

Deal found 3/24

$673

Best flights from San Francisco to Portugal
Discover carefully curated flight deals from San Francisco to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 26, 2025.

Mon 4/217:40 pmSFO - OPO

1 stop31h 20mScandinavian Airlines

Wed 5/712:15 pmOPO - SFO

1 stop36h 15mScandinavian Airlines

Deal found 3/25

$546

Sun 4/612:43 amSFO - LIS

3 stops24h 37mUnited Airlines

Thu 4/176:15 amLIS - SFO

2 stops24h 45mUnited Airlines

Deal found 3/24

$617

Sun 9/218:10 pmSFO - LIS

1 stop16h 30mIberia

Tue 9/309:10 amLIS - SFO

1 stop17h 00mIberia

Deal found 3/25

$620

Wed 4/93:05 pmSFO - LIS

1 stop15h 45mMultiple Airlines

Tue 4/223:35 pmLIS - SFO

1 stop28h 10mMultiple Airlines

Deal found 3/25

$621

Tue 4/221:40 pmSFO - LIS

2 stops20h 10mDelta

Tue 5/65:00 amLIS - SFO

1 stop14h 45mDelta

Deal found 3/25

$626

Mon 4/217:30 pmSFO - LIS

1 stop19h 50mSWISS

Mon 5/55:55 amLIS - SFO

1 stop18h 15mSWISS

Deal found 3/25

$627

Fri 4/252:27 pmSFO - LIS

2 stops24h 43mBritish Airways

Tue 5/66:45 pmLIS - SFO

1 stop27h 05mBritish Airways

Deal found 3/25

$633

Sat 4/267:20 pmSFO - LIS

Nonstop11h 10mTAP AIR PORTUGAL

Fri 5/212:20 pmLIS - SFO

Nonstop12h 30mTAP AIR PORTUGAL

Deal found 3/26

$651

Wed 4/232:40 pmSFO - LIS

2 stops23h 10mLufthansa

Wed 4/3012:15 pmLIS - SFO

2 stops20h 00mLufthansa

Deal found 3/24

$673

Tue 5/278:00 pmSFO - LIS

1 stop16h 35mVueling

Mon 6/210:10 pmLIS - SFO

1 stop27h 50mVueling

Deal found 3/24

$683

Mon 9/2212:15 pmSFO - LIS

1 stop14h 55mAir Canada

Tue 9/305:05 amLIS - SFO

2 stops25h 54mAir Canada

Deal found 3/25

$698

Sat 4/2610:30 pmSFO - LIS

1 stop25h 30mVirgin Atlantic

Fri 5/910:00 amLIS - SFO

1 stop18h 47mVirgin Atlantic

Deal found 3/25

$704

Last-minute flights from San Francisco to Portugal
Discover last-minute flight deals from San Francisco to Portugal. Data last updated March 26, 2025 and is based on user searches.

Tue 3/258:25 pmSFO - OPO

1 stop15h 05mMultiple Airlines

Tue 4/112:05 pmOPO - SFO

2 stops29h 14mMultiple Airlines

Deal found 3/25

$686

Tue 3/258:25 pmSFO - OPO

1 stop15h 05mSWISS

Tue 4/18:40 amOPO - SFO

1 stop15h 30mSWISS

Deal found 3/25

$688

Wed 3/268:41 amSFO - LIS

2 stops23h 14mAir Canada

Wed 4/211:25 amLIS - SFO

2 stops20h 50mAir Canada

Deal found 3/25

$669

Fri 3/289:35 pmSFO - LIS

1 stop18h 55mLufthansa

Fri 4/45:05 amLIS - SFO

1 stop15h 35mLufthansa

Deal found 3/26

$696

Mon 3/317:30 pmSFO - LIS

1 stop19h 50mSWISS

Mon 4/712:35 pmLIS - SFO

1 stop35h 35mSWISS

Deal found 3/25

$636

Mon 3/317:10 amSFO - LIS

2 stops19h 35mDelta

Mon 4/711:40 amLIS - SFO

1 stop32h 05mDelta

Deal found 3/25

$654

Mon 3/319:05 pmSFO - LIS

1 stop16h 45mLufthansa

Sun 4/66:40 amLIS - SFO

1 stop38h 00mLufthansa

Deal found 3/26

$735

Mon 3/312:40 pmSFO - LIS

2 stops20h 20mBrussels Airlines

Sat 4/57:55 pmLIS - SFO

2 stops55h 05mBrussels Airlines

Deal found 3/24

$789

Tue 4/17:30 pmSFO - LIS

1 stop19h 50mMultiple Airlines

Tue 4/811:25 amLIS - SFO

1 stop18h 20mMultiple Airlines

Deal found 3/25

$633

Tue 4/19:05 pmSFO - LIS

1 stop16h 45mUnited Airlines

Tue 4/811:25 amLIS - SFO

2 stops36h 21mUnited Airlines

Deal found 3/25

$646

Tue 4/14:20 pmSFO - LIS

Nonstop11h 10mTAP AIR PORTUGAL

Tue 6/39:20 amLIS - SFO

1 stop15h 25mTAP AIR PORTUGAL

Deal found 3/25

$767

Tue 4/18:20 amSFO - LIS

1 stop17h 00mAir Canada

Tue 6/311:25 amLIS - SFO

1 stop16h 45mAir Canada

Deal found 3/25

$802

One-way flights from San Francisco to Portugal
Search for one-way flight options from San Francisco to Portugal. Find affordable one-way fares based on user searches. Data last updated March 26, 2025.

Sun 5/118:00 pmSFO - FAO

1 stop36h 05mMultiple Airlines

Deal found 3/24

$325

Tue 4/810:30 pmSFO - OPO

3 stops39h 40mMultiple Airlines

Deal found 3/25

$337

Tue 8/126:45 pmSFO - TER

Nonstop9h 30mTAP AIR PORTUGAL

Deal found 3/25

$338

Sat 7/198:10 pmSFO - LIS

1 stop16h 25mIberia

Deal found 3/25

$352

Sat 5/32:18 pmSFO - FNC

2 stops39h 17mMultiple Airlines

Deal found 3/25

$356

Mon 5/1210:15 amSFO - LIS

3 stops52h 15mMultiple Airlines

Deal found 3/25

$357

Sat 5/108:00 pmSFO - LIS

2 stops39h 35mVueling

Deal found 3/25

$362

Mon 7/284:20 pmSFO - LIS

Nonstop11h 15mTAP AIR PORTUGAL

Deal found 3/25

$365

Tue 8/1211:19 amSFO - TER

2 stops40h 06mMultiple Airlines

Deal found 3/25

$386

Mon 9/157:40 pmSFO - OPO

1 stop31h 20mScandinavian Airlines

Deal found 3/25

$416

Sun 9/77:40 pmSFO - LIS

1 stop17h 00mScandinavian Airlines

Deal found 3/25

$416

Sun 3/3010:59 pmSFO - PDL

3 stops56h 41mMultiple Airlines

Deal found 3/25

$438

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

Mon 4/21

7:40 pm-11:00 am

1 stop31h 20m

Porto

Wed 5/7

12:15 pm-4:30 pm

1 stop36h 15m

$546

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sun 4/6

12:43 am-9:20 am

3 stops24h 37m

Lisbon Humberto Delgado

Thu 4/17

6:15 am-11:00 pm

2 stops24h 45m

$617

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sun 9/21

8:10 pm-8:40 pm

1 stop16h 30m

Lisbon Humberto Delgado

Tue 9/30

9:10 am-6:10 pm

1 stop17h 00m

$620

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Wed 4/9

3:05 pm-2:50 pm

1 stop15h 45m

Lisbon Humberto Delgado

Tue 4/22

3:35 pm-11:45 am

1 stop28h 10m

$621

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Tue 4/22

1:40 pm-5:50 pm

2 stops20h 10m

Lisbon Humberto Delgado

Tue 5/6

5:00 am-11:45 am

1 stop14h 45m

$626

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Mon 4/21

7:30 pm-11:20 pm

1 stop19h 50m

Lisbon Humberto Delgado

Mon 5/5

5:55 am-4:10 pm

1 stop18h 15m

$627

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 4/25

2:27 pm-11:10 pm

2 stops24h 43m

Lisbon Humberto Delgado

Tue 5/6

6:45 pm-1:50 pm

1 stop27h 05m

$633

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sat 4/26

7:20 pm-2:30 pm

Nonstop11h 10m

Lisbon Humberto Delgado

Fri 5/2

12:20 pm-4:50 pm

Nonstop12h 30m

$651

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

Tue 5/13

8:00 pm-8:00 am

1 stop28h 00m

Porto

Tue 5/20

7:35 am-6:00 pm

1 stop18h 25m

$652

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Wed 4/23

2:40 pm-9:50 pm

2 stops23h 10m

Lisbon Humberto Delgado

Wed 4/30

12:15 pm-12:15 am

2 stops20h 00m

$673

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 60 results

...

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.

Cheapflights Insights

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

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 $1,219). 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?

Unlike in the morning, when flights are generally more expensive, you can save up to 4% on flights from San Francisco to Portugal by exploring options for tickets at noon.

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

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

Rainfall in Portugal 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

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

To help decide which airline to fly from San Francisco to Portugal, see what other customers have to say about Delta, KLM and Air Transat. 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

7,891 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

Delta

8.0

Very good

7,891 reviews

Delta

8.0

Very good

7,891 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

KLM

7.8

Good

1,319 reviews

Delta

8.0

Very good

7,891 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

7,891 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

Azores Airlines

7.6

Good

63 reviews

Delta

8.0

Very good

7,891 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

SWISS

7.5

Good

1,569 reviews

Delta

8.0

Very good

7,891 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

Related info for your journey

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 90 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 ($338), Iberia ($352), and Vueling ($362).
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 - Porto and San Francisco - Lajes.
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: Etihad Airways (71%), TAP AIR PORTUGAL (71%), JetBlue (69%).
What are the cheapest flights from San Francisco to Portugal?
Looking at all options, your cheapest flight can be booked for $285. While the most popular route (San Francisco - Lisbon Humberto Delgado) can be booked for $552 on average our data indicates $2,102 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 $1,219). 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

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from San Francisco to Portugal

Airline	Cheapest	Average	Flexibility	On-time
TAP AIR PORTUGAL	Cheapest$375	Average$1,037	FlexibilityNo cancel fee	On-timeN/A
LEVEL	Cheapest$464	Average$982	FlexibilityNo cancel fee	On-timeN/A
Iberia	Cheapest$556	Average$1,068	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$562	Average$978	FlexibilityNo cancel fee	On-time75%
Scandinavian Airlines	Cheapest$596	Average$695	FlexibilityNo cancel fee	On-time77%
British Airways	Cheapest$597	Average$853	FlexibilityNo cancel fee	On-time70%
Lufthansa	Cheapest$597	Average$1,253	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$600	Average$1,107	FlexibilityNo cancel fee	On-time69%
Vueling	Cheapest$609	Average$906	FlexibilityNo cancel fee	On-time88%
Delta	Cheapest$617	Average$983	FlexibilityNo cancel fee	On-timeN/A

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$325+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from San Francisco to Portugal

Keep the following information in mind while searching for San Francisco to Portugal flight deals. Data was last updated March 26, 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 San Francisco to Portugal

Cheapest flights from San Francisco to PortugalExplore 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 March 26, 2025.

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 March 26, 2025.

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

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

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 March 26, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Portugal. Price data was last updated on December 16, 2024.

Rainfall in Portugal by month

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

Temperature in Portugal by month

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

Reviews of airlines servicing Portugal

To help decide which airline to fly from San Francisco to Portugal, see what other customers have to say about Delta, KLM and Air Transat. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

How popular is this San Francisco to Portugal flight route?

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

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

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

What are the cheapest flights from San Francisco to Portugal?

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to Portugal

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

Top 10 airlines flying from San Francisco to Portugal

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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 March 26, 2025.