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.

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 $678 on this airline. Additional options worth looking into are American Airlines and TAP AIR PORTUGAL, starting at $695 and $711 round-trip. You may be able to fly from Lisbon to San Francisco for 18% less than the average price by searching for these airlines.

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

$542 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on Iberia and TAP AIR PORTUGAL, with prices starting from $588 and $634, respectively.

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

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

What are the cheapest flights from Lisbon to San Francisco?

The cheapest flight price from Lisbon to San Francisco is $474. On average you can expect to pay $2,441. The most popular route, (Lisbon Humberto Delgado - San Francisco), can usually be booked for $526.

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 JetBlue (80%), TAP AIR PORTUGAL (80%) and Etihad Airways (79%).

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: LEVEL, American Airlines or Air France.

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 London.

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 Philadelphia.

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

London travelers tend to visit Hyde Park, Buckingham Palace, and Piccadilly Circus more than anywhere else. Hyde Park, Buckingham Palace, and Piccadilly Circus can be accessed by traveling approximately 12.5 mi, 13.7 mi, and 14.1 mi, respectively from London Heathrow. Those looking to explore during their layover in London can rent a car from London Heathrow for about $44 per day.

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

Sunday flights are generally found to be more expensive for flights from Lisbon to San Francisco. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Francisco.

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

To save up to 34% on this flight, we recommend booking at least 56 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Lisbon to San Francisco from $651 1-2 weeks out and tickets from $949 for flights departing within the next 72 hours.

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

Our data shows that February tends to be the cheapest month to fly to San Francisco from Lisbon. Users have commonly found prices around $835 for the month, but tickets can be as low as $554. Due to multiple factors, prepare for potentially higher prices in June.

What airports do I use to fly from Lisbon to San Francisco?

San Francisco is the airport most travelers will use when flying to San Francisco from Lisbon Humberto Delgado. Booking flights from Humberto Delgado (LIS) to San Francisco (SFO) should be relatively easy as there is 1 daily flight to San Francisco from 8 different airlines. 12h 35m is how long a flight from Lisbon to San Francisco will take if you book a nonstop flight.

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.

$515+ Flights from Lisbon to San Francisco

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Find cheap flights from Lisbon to San Francisco with Cheapflights

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

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

Cheap flight deals from Lisbon to San Francisco

Round-trip from	$677 (Iberia)
One-way from	$515 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$981
Good round-trip deal	$778 or less
Good one-way deal	$654 or less

From Lisbon Humberto Delgado to San Francisco

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One-way flight from Lisbon Humberto Delgado to San Francisco

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Highest demand for flights based on searches. 7% potential increase in price ($67 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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

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

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Find 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 junio 12, 2025.

vie. 12/1911:05 amLIS - SFO

2 stops20h 47mAmerican Airlines

sáb. 1/35:30 pmSFO - LIS

1 stop16h 25mAmerican Airlines

Deal found 6/12

$673

sáb. 9/2012:30 pmLIS - SFO

2 stops19h 29mMultiple Airlines

vie. 9/264:30 pmSFO - LIS

1 stop22h 40mMultiple Airlines

Deal found 6/10

$677

dom. 9/217:20 amLIS - SFO

2 stops21h 58mBritish Airways

mar. 9/304:30 pmSFO - LIS

2 stops17h 55mBritish Airways

Deal found 6/10

$678

jue. 6/196:35 amLIS - SFO

1 stop17h 35mIberia

sáb. 7/55:45 pmSFO - LIS

1 stop16h 40mIberia

Deal found 6/10

$681

sáb. 9/201:00 pmLIS - SFO

Nonstop12h 35mTAP AIR PORTUGAL

mar. 9/304:20 pmSFO - LIS

Nonstop11h 10mTAP AIR PORTUGAL

Deal found 6/10

$711

jue. 6/195:00 amLIS - SFO

2 stops22h 43mDelta

sáb. 7/53:48 pmSFO - LIS

2 stops18h 07mDelta

Deal found 6/12

$721

vie. 6/2011:25 amLIS - SFO

1 stop16h 32mUnited Airlines

mié. 3/256:30 amSFO - LIS

1 stop20h 45mUnited Airlines

Deal found 6/11

$732

dom. 10/125:55 amLIS - SFO

1 stop18h 15mSWISS

jue. 10/162:20 pmSFO - LIS

1 stop19h 00mSWISS

Deal found 6/12

$734

lun. 10/135:05 amLIS - SFO

2 stops26h 04mAir Canada

jue. 10/167:10 amSFO - LIS

2 stops18h 10mAir Canada

Deal found 6/12

$768

mar. 7/2212:45 pmLIS - SFO

1 stop19h 49mKLM

lun. 8/41:45 pmSFO - LIS

1 stop20h 55mKLM

Deal found 6/12

$782

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 junio 12, 2025.

sáb. 9/2012:30 pmLIS - SFO

2 stops19h 29mMultiple Airlines

vie. 9/264:30 pmSFO - LIS

1 stop22h 40mMultiple Airlines

Deal found 6/10

$677

dom. 9/217:20 amLIS - SFO

2 stops21h 58mBritish Airways

mar. 9/304:30 pmSFO - LIS

2 stops17h 55mBritish Airways

Deal found 6/10

$678

jue. 7/1011:05 amLIS - SFO

2 stops19h 32mAmerican Airlines

mié. 9/104:35 pmSFO - LIS

1 stop22h 35mAmerican Airlines

Deal found 6/10

$695

sáb. 9/201:00 pmLIS - SFO

Nonstop12h 35mTAP AIR PORTUGAL

mar. 9/304:20 pmSFO - LIS

Nonstop11h 10mTAP AIR PORTUGAL

Deal found 6/10

$711

lun. 10/135:05 amLIS - SFO

1 stop15h 35mLufthansa

jue. 10/169:05 pmSFO - LIS

1 stop16h 45mLufthansa

Deal found 6/12

$712

mié. 7/99:00 amLIS - SFO

2 stops20h 51mIberia

mié. 7/1611:26 amSFO - LIS

2 stops20h 39mIberia

Deal found 6/11

$713

mar. 9/95:00 amLIS - SFO

2 stops20h 17mDelta

mar. 9/231:00 pmSFO - LIS

2 stops20h 50mDelta

Deal found 6/10

$729

dom. 10/125:55 amLIS - SFO

1 stop18h 15mSWISS

jue. 10/162:20 pmSFO - LIS

1 stop19h 00mSWISS

Deal found 6/12

$734

lun. 10/135:05 amLIS - SFO

2 stops26h 04mAir Canada

jue. 10/167:10 amSFO - LIS

2 stops18h 10mAir Canada

Deal found 6/12

$768

lun. 9/15:05 amLIS - SFO

2 stops26h 05mUnited Airlines

vie. 9/511:57 pmSFO - LIS

2 stops49h 23mUnited Airlines

Deal found 6/10

$810

dom. 12/77:45 amLIS - SFO

2 stops20h 59mFinnair

vie. 5/154:35 pmSFO - LIS

2 stops39h 15mFinnair

Deal found 6/11

$814

dom. 6/227:30 pmLIS - SFO

1 stop24h 15mKLM

dom. 6/291:45 pmSFO - LIS

1 stop25h 05mKLM

Deal found 6/10

$838

Last-minute flights from Lisbon to San Francisco
Discover last-minute flight deals from Lisbon to San Francisco. Data last updated junio 12, 2025 and is based on user searches.

lun. 6/166:50 pmLIS - SFO

1 stop26h 00mAir France

lun. 6/308:25 pmSFO - LIS

1 stop28h 25mAir France

Deal found 6/12

$907

jue. 6/197:20 amLIS - SFO

2 stops21h 38mBritish Airways

sáb. 7/55:45 pmSFO - LIS

1 stop16h 40mBritish Airways

Deal found 6/12

$680

jue. 6/196:35 amLIS - SFO

1 stop17h 35mIberia

sáb. 7/55:45 pmSFO - LIS

1 stop16h 40mIberia

Deal found 6/10

$681

jue. 6/196:35 amLIS - SFO

1 stop17h 35mMultiple Airlines

sáb. 7/54:30 pmSFO - LIS

1 stop17h 35mMultiple Airlines

Deal found 6/11

$700

jue. 6/196:35 amLIS - SFO

1 stop17h 35mAmerican Airlines

sáb. 7/55:45 pmSFO - LIS

1 stop16h 40mAmerican Airlines

Deal found 6/11

$704

jue. 6/195:00 amLIS - SFO

2 stops22h 43mDelta

sáb. 7/53:48 pmSFO - LIS

2 stops18h 07mDelta

Deal found 6/12

$721

jue. 6/195:55 amLIS - SFO

1 stop18h 15mSWISS

sáb. 7/57:30 pmSFO - LIS

1 stop19h 50mSWISS

Deal found 6/10

$852

jue. 6/1911:25 amLIS - SFO

2 stops18h 07mAir Canada

sáb. 7/58:36 amSFO - LIS

2 stops22h 49mAir Canada

Deal found 6/10

$932

jue. 6/199:00 amLIS - SFO

Nonstop12h 35mTAP AIR PORTUGAL

sáb. 7/57:20 pmSFO - LIS

Nonstop11h 10mTAP AIR PORTUGAL

Deal found 6/11

$1,124

jue. 6/197:55 pmLIS - SFO

2 stops23h 50mBrussels Airlines

sáb. 7/59:05 pmSFO - LIS

2 stops17h 45mBrussels Airlines

Deal found 6/10

$1,290

vie. 6/2011:25 amLIS - SFO

1 stop16h 32mUnited Airlines

mié. 3/256:30 amSFO - LIS

1 stop20h 45mUnited Airlines

Deal found 6/11

$732

vie. 6/2011:40 amLIS - SFO

1 stop32h 05mKLM

dom. 6/291:45 pmSFO - LIS

1 stop25h 05mKLM

Deal found 6/11

$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 junio 12, 2025.

lun. 6/237:30 pmLIS - SFO

3 stops48h 55mMultiple Airlines

Deal found 6/11

$515

mar. 11/1810:50 amLIS - SFO

1 stop36h 45mAer Lingus

Deal found 6/11

$542

lun. 8/1810:10 pmLIS - SFO

1 stop28h 00mIberia

Deal found 6/9

$588

sáb. 11/19:55 amLIS - SFO

Nonstop12h 50mTAP AIR PORTUGAL

Deal found 6/10

$634

jue. 9/186:35 amLIS - SFO

1 stop17h 35mFinnair

Deal found 6/11

$636

jue. 12/410:55 amLIS - SFO

1 stop19h 10mAmerican Airlines

Deal found 6/11

$649

jue. 7/1010:20 pmLIS - SFO

2 stops32h 20mIcelandair

Deal found 6/12

$654

jue. 7/34:45 pmLIS - SFO

1 stop25h 50mTurkish Airlines

Deal found 6/12

$676

mié. 7/239:00 amLIS - SFO

2 stops20h 51mBritish Airways

Deal found 6/11

$743

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

sáb. 9/20

12:30 pm-11:59 pm

2 stops19h 29m

San Francisco

vie. 9/26

4:30 pm-11:10 pm

1 stop22h 40m

$677

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

dom. 9/21

7:20 am-9:18 pm

2 stops21h 58m

San Francisco

mar. 9/30

4:30 pm-6:25 pm

2 stops17h 55m

$678

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

jue. 7/10

11:05 am-10:37 pm

2 stops19h 32m

San Francisco

mié. 9/10

4:35 pm-11:10 pm

1 stop22h 35m

$695

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

sáb. 9/20

1:00 pm-5:35 pm

Nonstop12h 35m

San Francisco

mar. 9/30

4:20 pm-11:30 am

Nonstop11h 10m

$711

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

lun. 10/13

5:05 am-12:40 pm

1 stop15h 35m

San Francisco

jue. 10/16

9:05 pm-9:50 pm

1 stop16h 45m

$712

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

mié. 7/9

9:00 am-9:51 pm

2 stops20h 51m

San Francisco

mié. 7/16

11:26 am-4:05 pm

2 stops20h 39m

$713

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

mar. 9/9

5:00 am-5:17 pm

2 stops20h 17m

San Francisco

mar. 9/23

1:00 pm-5:50 pm

2 stops20h 50m

$729

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

dom. 10/12

5:55 am-4:10 pm

1 stop18h 15m

San Francisco

jue. 10/16

2:20 pm-5:20 pm

1 stop19h 00m

$734

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

lun. 10/13

5:05 am-11:09 pm

2 stops26h 04m

San Francisco

jue. 10/16

7:10 am-9:20 am

2 stops18h 10m

$768

LisbonSan Francisco

LIS - SFO

LISSFO

Lisbon Humberto Delgado

lun. 9/1

5:05 am-11:10 pm

2 stops26h 05m

San Francisco

vie. 9/5

11:57 pm-9:20 am

2 stops49h 23m

$810

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 24 results

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

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

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, January is the cheapest month in which you can book a flight from Lisbon to San Francisco (average of $276). Flying from Lisbon to San Francisco in June is currently the most expensive (average of $364). 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?

When flying from Lisbon to San Francisco, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 34% versus a flight in the morning.

Rainfall in San Francisco by month

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.

Temperature in San Francisco by month

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).

Reviews of airlines servicing San Francisco

Read through reviews of airlines operating flights from Lisbon to San Francisco, such as Delta, KLM and Finnair. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,950 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

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 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

KLM

7.8

Good

1,358 reviews

Delta

8.0

Very good

7,950 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

Finnair

7.6

Good

1,290 reviews

Delta

8.0

Very good

7,950 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

7.5

Good

1,463 reviews

Delta

8.0

Very good

7,950 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

SWISS

7.5

Good

1,623 reviews

Delta

8.0

Very good

7,950 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

What airports do I use to fly from Lisbon to San Francisco?
San Francisco is the airport most travelers will use when flying to San Francisco from Lisbon Humberto Delgado. Booking flights from Humberto Delgado (LIS) to San Francisco (SFO) should be relatively easy as there is 1 daily flight to San Francisco from 8 different airlines. 12h 35m is how long a flight from Lisbon to San Francisco will take if you book a nonstop flight.
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.
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 $678 on this airline. Additional options worth looking into are American Airlines and TAP AIR PORTUGAL, starting at $695 and $711 round-trip. You may be able to fly from Lisbon to San Francisco for 18% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Lisbon to San Francisco one-way?
$542 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on Iberia and TAP AIR PORTUGAL, with prices starting from $588 and $634, 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 JetBlue (80%), TAP AIR PORTUGAL (80%) and Etihad Airways (79%).
What are the cheapest flights from Lisbon to San Francisco?
The cheapest flight price from Lisbon to San Francisco is $474. On average you can expect to pay $2,441. The most popular route, (Lisbon Humberto Delgado - San Francisco), can usually be booked for $526.
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 London.
What are some popular things to do or see while on a layover in London?
London travelers tend to visit Hyde Park, Buckingham Palace, and Piccadilly Circus more than anywhere else. Hyde Park, Buckingham Palace, and Piccadilly Circus can be accessed by traveling approximately 12.5 mi, 13.7 mi, and 14.1 mi, respectively from London Heathrow. Those looking to explore during their layover in London can rent a car from London Heathrow for about $44 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 Philadelphia.
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, January is the cheapest month in which you can book a flight from Lisbon to San Francisco (average of $276). Flying from Lisbon to San Francisco in June is currently the most expensive (average of $364). 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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Mountain View

South San Francisco

Livermore

Turlock

Santa Cruz

Manteca

Fairfield

Watsonville

Antioch

Hollister

Milpitas

Newark

Hayward

Alameda

Sunnyvale

Daly City

Union City

Campbell

Capitola

Browse thousands of different options on Cheapflights for your next trip

Top 8 airlines flying from Lisbon to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
LEVEL	Cheapest$473	Average$623	FlexibilityNo cancel fee	On-timeN/A
Delta	Cheapest$523	Average$701	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$572	Average$739	FlexibilityNo cancel fee	On-time70%
Air France	Cheapest$657	Average$718	FlexibilityNo cancel fee	On-time77%
Lufthansa	Cheapest$659	Average$792	FlexibilityNo cancel fee	On-time76%
American Airlines	Cheapest$668	Average$764	FlexibilityNo cancel fee	On-time71%
TAP AIR PORTUGAL	Cheapest$669	Average$956	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$669	Average$893	FlexibilityNo cancel fee	On-time69%

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$515+ 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 6/23. 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 October, booked 87 days in advance, depart on a Sunday or Wednesday and return on a Monday

Cheap flight deals from Lisbon to San Francisco

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find 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 junio 12, 2025.

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 junio 12, 2025.

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

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

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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?

Use this chart to determine the optimal time to book a round-trip flight from Lisbon to San Francisco. Price data was last updated on June 9, 2025.

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?

Find hourly flight availability from Lisbon to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

Rainfall in San Francisco by month

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

Temperature in San Francisco by month

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

Reviews of airlines servicing San Francisco

Read through reviews of airlines operating flights from Lisbon to San Francisco, such as Delta, KLM and Finnair. In addition to providing an overall rating, users have also rated airlines 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 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.

What airports do I use to fly from Lisbon to San Francisco?

How popular is this Lisbon to San Francisco flight route?

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 London?

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?

Traveling to a place near Lisbon?

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Alternative routes for Lisbon to San Francisco

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Top 8 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 junio 12, 2025.