$463 Cheap Flights from Lisbon (LIS) to San Francisco (SFO)

View $463 flight on Thu, Jun 4, 2026Opens in a new window

Popular airlines from Humberto Delgado Airport (LIS) to San Francisco Intl. Airport (SFO)

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Cheap Flights from Lisbon to San Francisco (LIS-SFO)

Prices were available within the past 7 days and start at $463 for one-way flights and $547 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Fri, Feb 6 - Thu, Feb 12
LIS
Lisbon
SFO
San Francisco
$547 Roundtrip, found 4 days ago
$547
Roundtrip
found 4 days ago
Select Scandinavian Airlines flight, departing Fri, Feb 6 from Lisbon to San Francisco, returning Thu, Feb 12, priced at $547 found 4 days ago
British Airways
Thu, Mar 12 - Mon, Mar 23
LIS
Lisbon
SFO
San Francisco
$644 Roundtrip, found 2 days ago
$644
Roundtrip
found 2 days ago
Select British Airways flight, departing Thu, Mar 12 from Lisbon to San Francisco, returning Mon, Mar 23, priced at $644 found 2 days ago
American Airlines
Fri, Dec 12 - Wed, Dec 31
LIS
Lisbon
SFO
San Francisco
$646 Roundtrip, found 4 days ago
$646
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Dec 12 from Lisbon to San Francisco, returning Wed, Dec 31, priced at $646 found 4 days ago
Iberia
Sat, Feb 7 - Thu, May 7
LIS
Lisbon
SFO
San Francisco
$674 Roundtrip, found 1 day ago
$674
Roundtrip
found 1 day ago
Select Iberia flight, departing Sat, Feb 7 from Lisbon to San Francisco, returning Thu, May 7, priced at $674 found 1 day ago
Air Canada
Thu, Nov 20 - Thu, Dec 4
LIS
Lisbon
SFO
San Francisco
$694 Roundtrip, found 2 days ago
$694
Roundtrip
found 2 days ago
Select Air Canada flight, departing Thu, Nov 20 from Lisbon to San Francisco, returning Thu, Dec 4, priced at $694 found 2 days ago
TAP Portugal
Tue, Oct 21 - Fri, Oct 31
LIS
Lisbon
SFO
San Francisco
$703 Roundtrip, found 13 hours ago
$703
Roundtrip
found 13 hours ago
Select TAP Portugal flight, departing Tue, Oct 21 from Lisbon to San Francisco, returning Fri, Oct 31, priced at $703 found 13 hours ago
Swiss International Air Lines
Fri, Feb 6 - Thu, Feb 12
LIS
Lisbon
SFO
San Francisco
$706 Roundtrip, found 4 days ago
$706
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Fri, Feb 6 from Lisbon to San Francisco, returning Thu, Feb 12, priced at $706 found 4 days ago
Lufthansa
Wed, Oct 8 - Mon, Oct 20
LIS
Lisbon
SFO
San Francisco
$720 Roundtrip, found 3 hours ago
$720
Roundtrip
found 3 hours ago
Select Lufthansa flight, departing Wed, Oct 8 from Lisbon to San Francisco, returning Mon, Oct 20, priced at $720 found 3 hours ago
Brussels Airlines
Sat, Dec 6 - Wed, Dec 10
LIS
Lisbon
SFO
San Francisco
$735 Roundtrip, found 1 day ago
$735
Roundtrip
found 1 day ago
Select Brussels Airlines flight, departing Sat, Dec 6 from Lisbon to San Francisco, returning Wed, Dec 10, priced at $735 found 1 day ago
United
Tue, Nov 25 - Tue, Dec 2
LIS
Lisbon
SFO
San Francisco
$753 Roundtrip, found 1 day ago
$753
Roundtrip
found 1 day ago
Select United flight, departing Tue, Nov 25 from Lisbon to San Francisco, returning Tue, Dec 2, priced at $753 found 1 day ago

Find the cheapest month to fly from Lisbon (LIS) to San Francisco (SFO)

February is typically the cheapest month to fly

From $564 - $918 per traveler.

Frequently asked questions

How much does a flight from Humberto Delgado Airport (LIS) to San Francisco Intl. Airport (SFO) cost?
Grab a cheap one-way flight from $463 or cheap return flight from $547 from Humberto Delgado Airport (LIS) to San Francisco Intl. Airport (SFO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Humberto Delgado Airport (LIS) to San Francisco Intl. Airport (SFO)?
Flying in February is a good way to save, as it's the cheapest month for flights between LIS and SFO. You'll often find the lowest prices during the off-season.
Which airlines fly direct from Humberto Delgado Airport (LIS) to San Francisco Intl. Airport (SFO)?
When flying out of Humberto Delgado Airport (LIS), you can get on a direct flight to San Francisco Intl. Airport (SFO) with TAP Portugal.
What is the cheapest airline that flies from Humberto Delgado Airport (LIS) to San Francisco Intl. Airport (SFO)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest LIS to SFO flight.
How many flights per day from Humberto Delgado Airport (LIS) to San Francisco Intl. Airport (SFO)?
On average, there are 3 direct flights flying from Humberto Delgado Airport (LIS) to San Francisco Intl. Airport (SFO) weekly. If you can't see one that fits your travel plans, think about taking a flight that has a layover. Filter your search on Expedia to include one or more stops and choose the next best alternative.
What are the most popular departure times for flights from Humberto Delgado Airport (LIS) to San Francisco Intl. Airport (SFO)?
The 9 AM departures from LIS to SFO are the busiest. Greater demand means you'll likely pay more for these departures. If you want to save on your trip, choose a less crowded time to fly.
What day of the week has the most flights from LIS to SFO?
If you travel on a Friday, you'll get the widest range of options for flights from Humberto Delgado Airport (LIS) to San Francisco Intl. Airport (SFO).
What is the earliest flight from Humberto Delgado Airport (LIS) to San Francisco Intl. Airport (SFO)?
Humberto Delgado Airport (LIS)'s first flight to San Francisco Intl. Airport (SFO) leaves at approximately 9:10AM UTC+0. With a travel time of 13h 5m, you'll touch down at around 2:15PM UTC-8.
How long does it take to fly from Humberto Delgado Airport (LIS) to San Francisco Intl. Airport (SFO)?
Flights from LIS to SFO have an average travel time of 13 hours and 1 minute. The total distance between the two is 5,700 mi.
What is the best time to fly from Humberto Delgado Airport (LIS) to San Francisco Intl. Airport (SFO)?
To avoid potential delays on the Humberto Delgado Airport (LIS) to San Francisco Intl. Airport (SFO) route, aim to travel before 3 PM. Flights after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Francisco from Humberto Delgado Airport (LIS)?
San Francisco Intl. Airport (SFO) is the only airport in San Francisco with direct flights from Humberto Delgado Airport (LIS). Compare your options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Humberto Delgado Airport (LIS) to San Francisco Intl. Airport (SFO) last-minute?
Booking your plane ticket from LIS to SFO shortly before your trip is typically more expensive. However, if you're flexible with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a LIS to SFO flight and hotel package?
You'll typically save money by booking a LIS to SFO flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After selecting your preferred accommodations and flights, consider adding extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Humberto Delgado Airport (LIS) to San Francisco Intl. Airport (SFO)?
Usually, it's possible to reschedule or cancel your LIS to SFO flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Humberto Delgado
Destination airport
San Francisco Intl.
Airlines serving
Aer Lingus, Air Canada, Air Europa, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Emirates, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$546
Distance
5668 mi
Average flight time
12 hours 35 mins

Book with confidence

Book with confidence

Lisbon to San Francisco Flights

The cheapest times to fly from Lisbon to San Francisco

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Lisbon to San Francisco are during the month of February. You can find some of the cheapest flights from Lisbon to San Francisco with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Lisbon to San Francisco

Sunday is one of the best days to book for cheap flights from Lisbon to San Francisco: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Lisbon to San Francisco

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Lisbon to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $463 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Lisbon to San Francisco flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Lisbon to San Francisco airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Lisbon to San Francisco Flights

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