Which airline has the best punctuality record on Lisbon to San Francisco flights?

Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 11% of flights being delayed.

How often are flights from Lisbon to San Francisco delayed?

About 11% of weekly flights between Lisbon and San Francisco have experienced delays in the past year, with the average delay time being 131 minutes.

What is the most punctual flight time for Lisbon to San Francisco flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Friday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

How popular is this Lisbon to San Francisco flight route?

Flights from Lisbon Humberto Delgado to San Francisco have been viewed 1 times in the past calendar month.

How long is the flight from Lisbon to San Francisco?

For as low as $648, Scandinavian Airlines can have you in San Francisco from Lisbon in 19h 08m. Airlines will cover a distance of 5664 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Lisbon to San Francisco round-trip?

Our cheapest airline available from Lisbon to San Francisco is British Airways. Our recent data shows that you can find tickets from as low as $570 on this airline. Additional options worth looking into are Delta and TAP AIR PORTUGAL, starting at $587 and $604 round-trip. You may be able to fly from Lisbon to San Francisco for 29% less than the average price by searching for these airlines.

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

$335 is the cheapest one-way deal found within the past few days, from LEVEL. You may also be able to find cheap deals on Iberia and Vueling, with prices starting from $338 and $350, respectively.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What are the cheapest flights from Lisbon to San Francisco?

The cheapest flight price from Lisbon to San Francisco is $812. On average you can expect to pay $1,943. The most popular route, (Lisbon Humberto Delgado - San Francisco), can usually be booked for $613.

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

The top 3 most reliable airlines when flying from Lisbon to San Francisco are Etihad Airways (68%), JetBlue (68%) and TAP AIR PORTUGAL (68%).

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

Before booking your flight from Lisbon to San Francisco check out the most popular airlines for this route: TAP AIR PORTUGAL, Delta or United Airlines.

Where are the most common layover locations when flying from Lisbon to San Francisco?

The most popular layover on flights from Lisbon to San Francisco is Philadelphia.

Where are the least popular layover locations for Lisbon to San Francisco flights?

Lisbon to San Francisco flights that have layovers will least frequently stop in London.

What are some popular things to do or see while on a layover in Philadelphia?

Philadelphia travelers tend to visit Rittenhouse Square, University of Pennsylvania, and Citizens Bank Park more than anywhere else. Rittenhouse Square, University of Pennsylvania, and Citizens Bank Park can be accessed by traveling approximately 6.1 mi, 5.7 mi, and 4.3 mi, respectively from Philadelphia. Those looking to explore during their layover in Philadelphia can rent a car from Philadelphia for about $53 per day.

Most accurate provider : When it comes to deals on Lisbon-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Lisbon-San Francisco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Lisbon-San Francisco flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Lisbon-San Francisco flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lisbon-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Lisbon to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$365+ Flights from Lisbon to San Francisco

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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Cheapflights Tip: The best prices from Lisbon Humberto Delgado to San Francisco are usually found in February or January, booked 87 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Lisbon to San Francisco

Cheapest flights from Lisbon to San Francisco
Explore the most affordable flight options available from Lisbon to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 4, 2026.

Fri 2/64:40 pmLIS - SFO

1 stop29h 55mScandinavian Airlines

Sun 2/84:40 pmSFO - LIS

1 stop15h 25mScandinavian Airlines

Deal found 1/3

$543

Wed 2/44:55 pmLIS - SFO

1 stop29h 40mScandinavian Airlines

Thu 2/124:40 pmSFO - LIS

1 stop15h 10mScandinavian Airlines

Deal found 1/2

$605

Fri 1/234:40 pmLIS - SFO

1 stop29h 55mScandinavian Airlines

Thu 1/293:10 pmSFO - LIS

1 stop16h 40mScandinavian Airlines

Deal found 1/2

$610

Fri 2/133:30 pmLIS - SFO

2 stops28h 20mMultiple Airlines

Fri 2/203:40 pmSFO - LIS

2 stops20h 45mMultiple Airlines

Deal found 1/2

$613

Fri 1/234:40 pmLIS - SFO

1 stop29h 55mScandinavian Airlines

Sun 2/14:40 pmSFO - LIS

1 stop15h 25mScandinavian Airlines

Deal found 1/2

$627

Fri 1/1611:05 amLIS - SFO

1 stop33h 07mBritish Airways

Sat 1/313:50 pmSFO - LIS

2 stops22h 40mBritish Airways

Deal found 1/2

$629

Wed 1/218:45 pmLIS - SFO

2 stops25h 01mAmerican Airlines

Sat 1/3110:30 pmSFO - LIS

2 stops35h 15mAmerican Airlines

Deal found 1/2

$644

Sun 1/1811:05 amLIS - SFO

2 stops18h 32mAmerican Airlines

Wed 4/1510:50 amSFO - LIS

2 stops19h 15mAmerican Airlines

Deal found 1/3

$646

Best flights from Lisbon to San Francisco
Discover carefully curated flight deals from Lisbon to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 4, 2026.

Wed 2/44:55 pmLIS - SFO

1 stop29h 40mScandinavian Airlines

Sun 2/154:40 pmSFO - LIS

1 stop15h 25mScandinavian Airlines

Deal found 1/2

$605

Fri 1/1611:05 amLIS - SFO

1 stop19h 08mBritish Airways

Sat 1/318:40 pmSFO - LIS

1 stop37h 05mBritish Airways

Deal found 1/2

$648

Mon 2/1611:05 amLIS - SFO

1 stop19h 44mBritish Airways

Mon 2/238:40 pmSFO - LIS

1 stop29h 10mBritish Airways

Deal found 1/1

$648

Sat 2/287:05 amLIS - SFO

2 stops23h 56mScandinavian Airlines

Sat 3/74:40 pmSFO - LIS

1 stop16h 30mScandinavian Airlines

Deal found 1/3

$656

Thu 1/1510:55 amLIS - SFO

1 stop16h 40mBritish Airways

Wed 4/157:00 amSFO - LIS

2 stops23h 05mBritish Airways

Deal found 1/3

$648

Mon 2/27:05 amLIS - SFO

1 stop15h 55mBritish Airways

Sat 2/146:00 amSFO - LIS

2 stops27h 55mBritish Airways

Deal found 1/2

$653

Tue 2/247:05 amLIS - SFO

2 stops21h 37mBritish Airways

Sun 3/15:30 pmSFO - LIS

1 stop20h 15mBritish Airways

Deal found 1/2

$658

Sat 2/287:00 amLIS - SFO

2 stops22h 23mBritish Airways

Fri 3/65:30 pmSFO - LIS

1 stop34h 40mBritish Airways

Deal found 1/3

$658

Fri 2/67:05 amLIS - SFO

2 stops19h 25mBritish Airways

Wed 2/114:30 pmSFO - LIS

2 stops21h 20mBritish Airways

Deal found 1/2

$658

Last-minute flights from Lisbon to San Francisco
Discover last-minute flight deals from Lisbon to San Francisco. Data last updated January 4, 2026 and is based on user searches.

Sat 1/1010:15 amLIS - SFO

2 stops31h 30mUnited Airlines

Mon 4/138:49 amSFO - LIS

2 stops17h 41mUnited Airlines

Deal found 1/3

$897

Sun 1/117:00 pmLIS - SFO

2 stops34h 02mMultiple Airlines

Sun 1/184:40 pmSFO - LIS

1 stop15h 25mMultiple Airlines

Deal found 1/2

$873

Mon 1/1211:20 amLIS - SFO

1 stop31h 34mMultiple Airlines

Wed 5/67:35 pmSFO - LIS

1 stop19h 50mMultiple Airlines

Deal found 1/3

$770

Mon 1/125:30 amLIS - SFO

2 stops20h 28mDelta

Wed 5/63:05 pmSFO - LIS

1 stop18h 45mDelta

Deal found 1/3

$772

Mon 1/1210:15 amLIS - SFO

1 stop15h 58mUnited Airlines

Fri 4/1710:41 pmSFO - LIS

1 stop27h 54mUnited Airlines

Deal found 1/3

$787

Mon 1/1211:20 amLIS - SFO

2 stops30h 18mAir Canada

Sat 4/1812:45 amSFO - LIS

2 stops24h 35mAir Canada

Deal found 1/3

$793

Mon 1/125:30 amLIS - SFO

2 stops25h 58mDelta

Tue 4/143:05 pmSFO - LIS

1 stop15h 50mDelta

Deal found 1/3

$795

Mon 1/1211:20 amLIS - SFO

2 stops30h 18mAir Canada

Tue 4/148:20 amSFO - LIS

2 stops18h 45mAir Canada

Deal found 1/3

$798

Mon 1/126:35 pmLIS - SFO

1 stop28h 25mBritish Airways

Thu 4/167:30 pmSFO - LIS

1 stop14h 40mBritish Airways

Deal found 1/3

$799

Tue 1/1311:25 amLIS - SFO

1 stop32h 25mDelta

Mon 4/203:05 pmSFO - LIS

1 stop15h 50mDelta

Deal found 1/3

$784

Tue 1/1311:20 amLIS - SFO

2 stops32h 38mAir Canada

Wed 4/1511:52 pmSFO - LIS

2 stops25h 28mAir Canada

Deal found 1/3

$794

One-way flights from Lisbon to San Francisco
Search for one-way flight options from Lisbon to San Francisco. Find affordable one-way fares based on user searches. Data last updated January 4, 2026.

Sat 2/144:05 pmLIS - SFO

2 stops36h 05mMultiple Airlines

Deal found 1/2

$365

Wed 5/69:05 amLIS - SFO

2 stops20h 19mMultiple Airlines

Deal found 1/2

$409

Wed 2/119:45 amLIS - SFO

1 stop18h 25mMultiple Airlines

Deal found 1/2

$410

Wed 5/138:45 pmLIS - SFO

2 stops27h 25mMultiple Airlines

Deal found 1/2

$411

Thu 4/99:15 pmLIS - SFO

3 stops44h 15mMultiple Airlines

Deal found 1/2

$420

Tue 5/1210:30 pmLIS - SFO

3 stops49h 40mMultiple Airlines

Deal found 1/2

$424

Tue 4/2810:15 pmLIS - SFO

3 stops31h 09mMultiple Airlines

Deal found 1/3

$431

Fri 5/154:05 pmLIS - SFO

3 stops37h 19mMultiple Airlines

Deal found 1/2

$436

Find flight deals from Lisbon to San Francisco

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$543 (Mytrip)
One-way from	$365 (Trip.com)
Popular in	July
Cheapest in	February
Average price	$744
Good round-trip deal	$1,885 or less
Good one-way deal	$934 or less

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

Search Deals

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

Search Deals

From Lisbon Humberto Delgado to San Francisco

Search Deals

One-way flight from Lisbon Humberto Delgado to San Francisco

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($55 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 0% potential price decrease ($6 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 2026

Search Deals

Price to beat on a round-trip flight from Lisbon Humberto Delgado to San Francisco.

Search Deals

Price to beat on a one-way flight from Lisbon Humberto Delgado to San Francisco.

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Wed 2/4

4:55 pm-2:35 pm

1 stop29h 40m

San Francisco

Sun 2/15

4:40 pm-4:05 pm

1 stop15h 25m

$605

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Fri 1/16

11:05 am-10:13 pm

1 stop19h 08m

San Francisco

Sat 1/31

8:40 pm-5:45 pm

1 stop37h 05m

$648

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Mon 2/16

11:05 am-10:49 pm

1 stop19h 44m

San Francisco

Mon 2/23

8:40 pm-9:50 am

1 stop29h 10m

$648

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Thu 1/15

10:55 am-7:35 pm

1 stop16h 40m

San Francisco

Wed 4/15

7:00 am-2:05 pm

2 stops23h 05m

$648

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Mon 2/2

7:05 am-3:00 pm

1 stop15h 55m

San Francisco

Sat 2/14

6:00 am-5:55 pm

2 stops27h 55m

$653

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Sat 2/28

7:05 am-11:01 pm

2 stops23h 56m

San Francisco

Sat 3/7

4:40 pm-5:10 pm

1 stop16h 30m

$656

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Tue 2/24

7:05 am-8:42 pm

2 stops21h 37m

San Francisco

Sun 3/1

5:30 pm-9:45 pm

1 stop20h 15m

$658

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Sat 2/28

7:00 am-9:23 pm

2 stops22h 23m

San Francisco

Fri 3/6

5:30 pm-12:10 pm

1 stop34h 40m

$658

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Fri 2/6

7:05 am-6:30 pm

2 stops19h 25m

San Francisco

Wed 2/11

4:30 pm-9:50 pm

2 stops21h 20m

$658

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

Wed 2/11

9:45 am-8:10 pm

1 stop18h 25m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/2

Showing 1-10 of 19 results

Compare providers for flights from Lisbon to San Francisco

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lisbon to San Francisco in January.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
Expedia	Price Accuracy2 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
Thrive Travel	Price Accuracy3 stars	Trust Score*1 star
Justfly.com	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Lisbon-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Lisbon-San Francisco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Lisbon-San Francisco flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Lisbon-San Francisco flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Lisbon-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Lisbon to San Francisco

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

Prices

Delays

How far ahead should I book a flight from Lisbon to San Francisco?

To ensure you get the cheapest price possible for a flight from Lisbon to San Francisco, you should look to book at least 87 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from Lisbon to San Francisco (average of $564). Flying from Lisbon to San Francisco in August is currently the most expensive (average of $679). 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 LIS to SFO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Lisbon to San Francisco as you normally would.

The best insider tips for Lisbon to San Francisco flights

Cheapflights partnered with top experts to bring you the best recommendations for your Lisbon to San Francisco trip

Airports

LIS

Expect long lines at immigration for non-Schengen flights, especially during morning and early afternoon departures.

SFO

Use BART for an affordable 40-minute trip from SFO to downtown San Francisco. Purchase a Clipper Card for easy fare payment.

Our travel experts

Ramsey Qubein

Expert on LIS

Harriet Baskas

Expert on SFO

Reviews of airlines servicing San Francisco

Read through reviews of airlines operating flights from Lisbon to San Francisco, such as Delta, Air France, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,024 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

7.9

Good

8,024 reviews

Delta

7.9

Good

8,024 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France

7.4

Good

1,516 reviews

Delta

7.9

Good

8,024 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

9,137 reviews

Delta

7.9

Good

8,024 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

TAP AIR PORTUGAL

7.1

Good

2,107 reviews

Delta

7.9

Good

8,024 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

British Airways

6.7

Okay

7,641 reviews

Delta

7.9

Good

8,024 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

How popular is this Lisbon to San Francisco flight route?
Flights from Lisbon Humberto Delgado to San Francisco have been viewed 1 times in the past calendar month.
How long is the flight from Lisbon to San Francisco?
For as low as $648, Scandinavian Airlines can have you in San Francisco from Lisbon in 19h 08m. Airlines will cover a distance of 5664 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from Lisbon to San Francisco round-trip?
Our cheapest airline available from Lisbon to San Francisco is British Airways. Our recent data shows that you can find tickets from as low as $570 on this airline. Additional options worth looking into are Delta and TAP AIR PORTUGAL, starting at $587 and $604 round-trip. You may be able to fly from Lisbon to San Francisco for 29% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Lisbon to San Francisco one-way?
$335 is the cheapest one-way deal found within the past few days, from LEVEL. You may also be able to find cheap deals on Iberia and Vueling, with prices starting from $338 and $350, respectively.
What are the most reliable airlines from Lisbon to San Francisco?
The top 3 most reliable airlines when flying from Lisbon to San Francisco are Etihad Airways (68%), JetBlue (68%) and TAP AIR PORTUGAL (68%).
What are the cheapest flights from Lisbon to San Francisco?
The cheapest flight price from Lisbon to San Francisco is $812. On average you can expect to pay $1,943. The most popular route, (Lisbon Humberto Delgado - San Francisco), can usually be booked for $613.
Where are the most common layover locations when flying from Lisbon to San Francisco?
The most popular layover on flights from Lisbon to San Francisco is Philadelphia.
What are some popular things to do or see while on a layover in Philadelphia?
Philadelphia travelers tend to visit Rittenhouse Square, University of Pennsylvania, and Citizens Bank Park more than anywhere else. Rittenhouse Square, University of Pennsylvania, and Citizens Bank Park can be accessed by traveling approximately 6.1 mi, 5.7 mi, and 4.3 mi, respectively from Philadelphia. Those looking to explore during their layover in Philadelphia can rent a car from Philadelphia for about $53 per day.
Where are the least popular layover locations for Lisbon to San Francisco flights?
Lisbon to San Francisco flights that have layovers will least frequently stop in London.
Can I find deals for flights from Lisbon to San Francisco that include hotel bookings?
Yes. In addition to deals on Lisbon to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Lisbon to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lisbon to San Francisco.
Can I find deals for business class flights from Lisbon to San Francisco?
Yes. Cheapflights offers flight deals from Lisbon to San Francisco 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 Lisbon to San Francisco?
Currently, February is the cheapest month in which you can book a flight from Lisbon to San Francisco (average of $564). Flying from Lisbon to San Francisco in August is currently the most expensive (average of $679). 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

Roseville

South San Francisco

Santa Cruz

Santa Clara

Livermore

Watsonville

Redwood City

Sunnyvale

San Bruno

Daly City

Manteca

Turlock

San Carlos

San Ramon

Vallejo

San Lorenzo

Hollister

Foster City

Union City

Davis

Browse thousands of different options on Cheapflights for your next trip

Top 7 airlines flying from Lisbon to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest$570	Average$705	FlexibilityNo cancel fee	On-time70%
Delta	Cheapest$587	Average$759	FlexibilityNo cancel fee	On-timeN/A
TAP AIR PORTUGAL	Cheapest$648	Average$874	FlexibilityNo cancel fee	On-timeN/A
Air France	Cheapest$657	Average$829	FlexibilityNo cancel fee	On-time77%
Lufthansa	Cheapest$693	Average$844	FlexibilityNo cancel fee	On-time76%
American Airlines	Cheapest$708	Average$900	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$732	Average$916	FlexibilityNo cancel fee	On-time69%

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$365+ Cheap flights from Lisbon (LIS) to San Francisco (SFO)

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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Lisbon to San Francisco with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Lisbon Humberto Delgado to San Francisco are usually found in February or January, booked 87 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Lisbon to San Francisco

Cheapest flights from Lisbon to San FranciscoExplore the most affordable flight options available from Lisbon to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 4, 2026.

Explore the most affordable flight options available from Lisbon to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 4, 2026.

Find flight deals from Lisbon to San Francisco

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

Cheapflights Fare Finder

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

Compare providers for flights from Lisbon to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Lisbon to San Francisco in January.

Best time to book a flight from Lisbon to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Lisbon with our price prediction graph.

Cheapflights Insights

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

How far ahead should I book a flight from Lisbon to San Francisco?

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

What is the cheapest time of day to fly from LIS to SFO?

How often are flights from Lisbon to San Francisco delayed?

What is the most punctual flight time for Lisbon to San Francisco flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Lisbon to San Francisco flights?

The best insider tips for Lisbon to San Francisco flights

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Reviews of airlines servicing San Francisco

Read through reviews of airlines operating flights from Lisbon to San Francisco, such as Delta, Air France, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Lisbon to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How popular is this Lisbon to San Francisco flight route?

How long is the flight from Lisbon to San Francisco?

What are the cheapest airlines flying from Lisbon to San Francisco round-trip?

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

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

What are the cheapest flights from Lisbon to San Francisco?

Where are the most common layover locations when flying from Lisbon to San Francisco?

What are some popular things to do or see while on a layover in Philadelphia?

Where are the least popular layover locations for Lisbon to San Francisco flights?

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

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

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

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

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Alternative routes for Lisbon to San Francisco

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Top 7 airlines flying from Lisbon to San Francisco

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Cheapest flights from Lisbon to San Francisco
Explore the most affordable flight options available from Lisbon to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 4, 2026.