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 Vueling ($340), Iberia ($354), and TAP AIR PORTUGAL ($420).

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 $265. While the most popular route (San Francisco - Lisbon Humberto Delgado) can be booked for $472 on average our data indicates $1,871 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: TAP AIR PORTUGAL (73%), Etihad Airways (72%), JetBlue (67%).

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.

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 $873 for the month, but tickets can be as low as $528. 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.

$603+ Flights from San Francisco to Portugal

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Cheap flight deals from San Francisco to Portugal

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$623 (Aeromexico)
One-way from	$340 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$805
Good round-trip deal	$815 or less
Good one-way deal	$372 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. 16% potential increase in price ($177 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).

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Average for round-trip flights in April 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 April 15, 2025.

Wed 10/157:40 pmSFO - OPO

1 stop37h 25mScandinavian Airlines

Wed 10/2211:50 amOPO - SFO

1 stop36h 40mScandinavian Airlines

Deal found 4/14

$592

Tue 10/148:10 pmSFO - OPO

1 stop17h 10mIberia

Wed 10/2210:00 pmOPO - SFO

1 stop28h 10mIberia

Deal found 4/14

$602

Tue 9/308:10 pmSFO - OPO

1 stop17h 50mMultiple Airlines

Thu 10/167:15 amOPO - SFO

1 stop18h 55mMultiple Airlines

Deal found 4/14

$616

Mon 12/1510:45 pmSFO - LIS

2 stops26h 35mAir Canada

Mon 12/2211:00 amLIS - SFO

2 stops21h 48mAir Canada

Deal found 4/14

$623

Thu 9/254:35 pmSFO - LIS

1 stop22h 30mMultiple Airlines

Tue 10/76:35 amLIS - SFO

2 stops19h 35mMultiple Airlines

Deal found 4/14

$624

Wed 11/197:25 pmSFO - OPO

1 stop31h 45mSWISS

Mon 11/249:10 amOPO - SFO

2 stops39h 15mSWISS

Deal found 4/14

$625

Thu 9/251:00 pmSFO - LIS

1 stop13h 45mDelta

Wed 10/812:45 pmLIS - SFO

1 stop19h 13mDelta

Deal found 4/14

$625

Thu 9/257:00 amSFO - LIS

1 stop17h 00mAir France

Tue 10/76:50 pmLIS - SFO

1 stop26h 00mAir France

Deal found 4/14

$626

Thu 8/218:45 amSFO - LIS

2 stops16h 35mUnited Airlines

Thu 8/2811:25 amLIS - SFO

2 stops41h 40mUnited Airlines

Deal found 4/14

$627

Sat 9/137:50 pmSFO - LIS

Nonstop11h 10mTAP AIR PORTUGAL

Wed 9/249:55 amLIS - SFO

Nonstop12h 40mTAP AIR PORTUGAL

Deal found 4/13

$634

Mon 4/287:30 pmSFO - LIS

1 stop19h 40mBritish Airways

Sun 5/46:50 pmLIS - SFO

1 stop27h 00mBritish Airways

Deal found 4/14

$637

Thu 9/254:35 pmSFO - LIS

1 stop22h 30mAmerican Airlines

Mon 10/1311:00 amLIS - SFO

1 stop34h 50mAmerican Airlines

Deal found 4/14

$643

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 April 15, 2025.

Wed 4/236:30 amSFO - LIS

2 stops20h 15mAir France

Mon 5/126:50 pmLIS - SFO

1 stop26h 00mAir France

Deal found 4/14

$623

Sat 5/107:30 pmSFO - LIS

1 stop19h 50mSWISS

Tue 5/205:55 amLIS - SFO

1 stop18h 15mSWISS

Deal found 4/14

$624

Wed 4/237:30 amSFO - LIS

1 stop19h 15mVirgin Atlantic

Sat 5/310:00 amLIS - SFO

1 stop18h 39mVirgin Atlantic

Deal found 4/14

$625

Sun 5/49:10 pmSFO - LIS

2 stops28h 10mUnited Airlines

Mon 5/1211:25 amLIS - SFO

2 stops38h 01mUnited Airlines

Deal found 4/14

$627

Fri 4/253:05 pmSFO - LIS

1 stop18h 45mDelta

Thu 5/812:45 pmLIS - SFO

2 stops17h 53mDelta

Deal found 4/14

$633

Mon 4/287:30 pmSFO - LIS

1 stop19h 40mBritish Airways

Sun 5/46:50 pmLIS - SFO

1 stop27h 00mBritish Airways

Deal found 4/14

$637

Thu 5/87:30 pmSFO - LIS

1 stop19h 50mMultiple Airlines

Tue 5/136:15 amLIS - SFO

2 stops24h 56mMultiple Airlines

Deal found 4/13

$638

Tue 4/221:45 pmSFO - LIS

1 stop25h 05mKLM

Sun 4/277:30 pmLIS - SFO

1 stop24h 15mKLM

Deal found 4/14

$654

Mon 5/59:05 pmSFO - LIS

1 stop16h 45mLufthansa

Wed 5/216:45 amLIS - SFO

2 stops20h 15mLufthansa

Deal found 4/14

$657

Fri 7/410:56 pmSFO - LIS

1 stop28h 09mAir Canada

Sat 8/239:50 amLIS - SFO

1 stop18h 07mAir Canada

Deal found 4/15

$677

Sun 5/118:00 pmSFO - OPO

1 stop28h 00mVueling

Sat 5/174:55 pmOPO - SFO

1 stop33h 05mVueling

Deal found 4/14

$685

Tue 8/196:45 pmSFO - TER

Nonstop9h 30mTAP AIR PORTUGAL

Wed 8/277:15 amTER - SFO

1 stop38h 15mTAP AIR PORTUGAL

Deal found 4/15

$752

Last-minute flights from San Francisco to Portugal
Discover last-minute flight deals from San Francisco to Portugal. Data last updated April 15, 2025 and is based on user searches.

Mon 4/217:30 pmSFO - OPO

1 stop32h 00mMultiple Airlines

Wed 5/76:00 amOPO - SFO

2 stops37h 05mMultiple Airlines

Deal found 4/14

$676

Mon 4/217:30 pmSFO - OPO

1 stop32h 00mSWISS

Wed 5/712:20 pmOPO - SFO

1 stop35h 50mSWISS

Deal found 4/14

$699

Mon 4/2111:55 amSFO - OPO

2 stops19h 35mDelta

Wed 5/76:20 amOPO - SFO

2 stops25h 24mDelta

Deal found 4/14

$729

Wed 4/236:30 amSFO - LIS

2 stops20h 15mAir France

Mon 5/126:50 pmLIS - SFO

1 stop26h 00mAir France

Deal found 4/14

$623

Wed 4/237:30 amSFO - LIS

1 stop19h 15mVirgin Atlantic

Sat 5/310:00 amLIS - SFO

1 stop18h 39mVirgin Atlantic

Deal found 4/14

$625

Wed 4/236:00 amSFO - LIS

2 stops18h 20mUnited Airlines

Mon 5/1211:25 amLIS - SFO

2 stops34h 44mUnited Airlines

Deal found 4/14

$631

Thu 4/247:05 amSFO - LIS

1 stop16h 55mKLM

Sun 4/277:30 pmLIS - SFO

1 stop24h 15mKLM

Deal found 4/14

$687

Thu 4/242:40 pmSFO - LIS

2 stops23h 10mLufthansa

Sun 4/276:15 amLIS - SFO

1 stop20h 45mLufthansa

Deal found 4/14

$811

Fri 4/253:05 pmSFO - LIS

1 stop18h 45mDelta

Thu 5/812:45 pmLIS - SFO

2 stops17h 53mDelta

Deal found 4/14

$633

Fri 4/252:45 pmSFO - LIS

2 stops24h 25mBritish Airways

Mon 4/286:45 pmLIS - SFO

1 stop27h 05mBritish Airways

Deal found 4/14

$644

Fri 4/253:05 pmSFO - LIS

1 stop18h 45mMultiple Airlines

Sun 4/277:30 pmLIS - SFO

1 stop24h 15mMultiple Airlines

Deal found 4/14

$701

Fri 4/2512:08 amSFO - OPO

2 stops25h 37mUnited Airlines

Fri 5/212:05 pmOPO - SFO

1 stop32h 35mUnited Airlines

Deal found 4/13

$851

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 April 15, 2025.

Sun 5/188:00 pmSFO - OPO

1 stop17h 20mVueling

Deal found 4/15

$340

Sun 7/138:10 pmSFO - LIS

1 stop16h 30mVueling

Deal found 4/14

$350

Sat 5/32:18 pmSFO - LIS

2 stops58h 52mMultiple Airlines

Deal found 4/13

$351

Tue 5/208:00 pmSFO - LIS

1 stop16h 35mIberia

Deal found 4/15

$354

Sat 5/178:00 pmSFO - OPO

1 stop30h 05mMultiple Airlines

Deal found 4/15

$367

Mon 4/2810:07 pmSFO - PDL

2 stops25h 38mMultiple Airlines

Deal found 4/14

$409

Sat 7/58:10 pmSFO - FAO

3 stops58h 55mMultiple Airlines

Deal found 4/15

$418

Mon 7/74:20 pmSFO - LIS

Nonstop11h 15mTAP AIR PORTUGAL

Deal found 4/15

$420

Mon 7/144:20 pmSFO - SJZ

2 stops35h 10mMultiple Airlines

Deal found 4/15

$441

Tue 6/36:12 amSFO - TER

3 stops43h 33mMultiple Airlines

Deal found 4/14

$458

Tue 5/67:30 pmSFO - LIS

1 stop19h 50mSWISS

Deal found 4/14

$460

Mon 6/304:35 pmSFO - LIS

1 stop17h 20mBritish Airways

Deal found 4/14

$463

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 FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Wed 4/23

6:30 am-10:45 am

2 stops20h 15m

Lisbon Humberto Delgado

Mon 5/12

6:50 pm-12:50 pm

1 stop26h 00m

$623

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sat 5/10

7:30 pm-11:20 pm

1 stop19h 50m

Lisbon Humberto Delgado

Tue 5/20

5:55 am-4:10 pm

1 stop18h 15m

$624

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Wed 4/23

7:30 am-10:45 am

1 stop19h 15m

Lisbon Humberto Delgado

Sat 5/3

10:00 am-8:39 pm

1 stop18h 39m

$625

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sun 5/4

9:10 pm-9:20 am

2 stops28h 10m

Lisbon Humberto Delgado

Mon 5/12

11:25 am-5:26 pm

2 stops38h 01m

$627

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 4/25

3:05 pm-5:50 pm

1 stop18h 45m

Lisbon Humberto Delgado

Thu 5/8

12:45 pm-10:38 pm

2 stops17h 53m

$633

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Mon 4/28

7:30 pm-11:10 pm

1 stop19h 40m

Lisbon Humberto Delgado

Sun 5/4

6:50 pm-1:50 pm

1 stop27h 00m

$637

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Thu 5/8

7:30 pm-11:20 pm

1 stop19h 50m

Lisbon Humberto Delgado

Tue 5/13

6:15 am-11:11 pm

2 stops24h 56m

$638

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Mon 5/5

9:05 pm-9:50 pm

1 stop16h 45m

Lisbon Humberto Delgado

Wed 5/21

6:45 am-7:00 pm

2 stops20h 15m

$657

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

Mon 5/5

7:30 pm-11:30 am

1 stop32h 00m

Porto

Mon 5/12

7:20 pm-6:40 pm

2 stops31h 20m

$675

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 7/4

10:56 pm-11:05 am

1 stop28h 09m

Lisbon Humberto Delgado

Sat 8/23

9:50 am-7:57 pm

1 stop18h 07m

$677

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

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 $1,203). 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 2% 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. Saturday 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

7,918 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

7,918 reviews

Delta

8.0

Very good

7,918 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

1,323 reviews

Delta

8.0

Very good

7,918 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

385 reviews

Delta

8.0

Very good

7,918 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.

Austrian Airlines

7.6

Good

775 reviews

Delta

8.0

Very good

7,918 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

7.5

Good

65 reviews

Delta

8.0

Very good

7,918 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 Vueling ($340), Iberia ($354), and TAP AIR PORTUGAL ($420).
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: TAP AIR PORTUGAL (73%), Etihad Airways (72%), JetBlue (67%).
What are the cheapest flights from San Francisco to Portugal?
Looking at all options, your cheapest flight can be booked for $265. While the most popular route (San Francisco - Lisbon Humberto Delgado) can be booked for $472 on average our data indicates $1,871 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 $1,203). 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$906	FlexibilityNo cancel fee	On-timeN/A
Iberia	Cheapest$556	Average$1,037	FlexibilityNo cancel fee	On-time77%
KLM	Cheapest$562	Average$996	FlexibilityNo cancel fee	On-time75%
Lufthansa	Cheapest$582	Average$1,265	FlexibilityNo cancel fee	On-time76%
British Airways	Cheapest$584	Average$842	FlexibilityNo cancel fee	On-time70%
SWISS	Cheapest$586	Average$895	FlexibilityNo cancel fee	On-time79%
Scandinavian Airlines	Cheapest$596	Average$738	FlexibilityNo cancel fee	On-time77%
United Airlines	Cheapest$597	Average$1,095	FlexibilityNo cancel fee	On-time69%
Vueling	Cheapest$609	Average$885	FlexibilityNo cancel fee	On-time88%

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$340+ 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 5/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Francisco to Portugal with Cheapflights

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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 April 15, 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 April 15, 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 April 15, 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 April 15, 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 April 15, 2025.