$329 Cheap Flights from San Francisco (SFO) to Lisbon (LIS)

View $329 flight on Wed, Oct 22, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $329 for one-way flights and $481 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Sat, Feb 28 - Sun, Mar 8
SFO
San Francisco
LIS
Lisbon
$481 Roundtrip, found 3 days ago
$481
Roundtrip
found 3 days ago
Select Scandinavian Airlines flight, departing Sat, Feb 28 from San Francisco to Lisbon, returning Sun, Mar 8, priced at $481 found 3 days ago
United
Tue, Nov 25 - Wed, Dec 3
SFO
San Francisco
LIS
Lisbon
$482 Roundtrip, just found
$482
Roundtrip
just found
Select United flight, departing Tue, Nov 25 from San Francisco to Lisbon, returning Wed, Dec 3, priced at $482 just found
Air Canada
Tue, Nov 25 - Wed, Dec 3
SFO
San Francisco
LIS
Lisbon
$482 Roundtrip, just found
$482
Roundtrip
just found
Select Air Canada flight, departing Tue, Nov 25 from San Francisco to Lisbon, returning Wed, Dec 3, priced at $482 just found
Lufthansa
Tue, Nov 25 - Wed, Dec 3
SFO
San Francisco
LIS
Lisbon
$488 Roundtrip, just found
$488
Roundtrip
just found
Select Lufthansa flight, departing Tue, Nov 25 from San Francisco to Lisbon, returning Wed, Dec 3, priced at $488 just found
Delta
Mon, Nov 24 - Tue, Dec 2
SFO
San Francisco
LIS
Lisbon
$489 Roundtrip, found 14 hours ago
$489
Roundtrip
found 14 hours ago
Select Delta flight, departing Mon, Nov 24 from San Francisco to Lisbon, returning Tue, Dec 2, priced at $489 found 14 hours ago
Swiss International Air Lines
Tue, Nov 25 - Wed, Dec 3
SFO
San Francisco
LIS
Lisbon
$494 Roundtrip, just found
$494
Roundtrip
just found
Select Swiss International Air Lines flight, departing Tue, Nov 25 from San Francisco to Lisbon, returning Wed, Dec 3, priced at $494 just found
American Airlines
Tue, Feb 17 - Thu, Feb 26
SFO
San Francisco
LIS
Lisbon
$502 Roundtrip, found 6 hours ago
$502
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Tue, Feb 17 from San Francisco to Lisbon, returning Thu, Feb 26, priced at $502 found 6 hours ago
British Airways
Mon, Dec 29 - Tue, Jan 20
SFO
San Francisco
LIS
Lisbon
$503 Roundtrip, found 1 hour ago
$503
Roundtrip
found 1 hour ago
Select British Airways flight, departing Mon, Dec 29 from San Francisco to Lisbon, returning Tue, Jan 20, priced at $503 found 1 hour ago
Virgin Atlantic
Sun, Oct 26 - Thu, Nov 6
SFO
San Francisco
LIS
Lisbon
$510 Roundtrip, found 6 hours ago
$510
Roundtrip
found 6 hours ago
Select Virgin Atlantic flight, departing Sun, Oct 26 from San Francisco to Lisbon, returning Thu, Nov 6, priced at $510 found 6 hours ago
Iberia
Sun, Feb 8 - Tue, Feb 24
SFO
San Francisco
LIS
Lisbon
$522 Roundtrip, found 6 hours ago
$522
Roundtrip
found 6 hours ago
Select Iberia flight, departing Sun, Feb 8 from San Francisco to Lisbon, returning Tue, Feb 24, priced at $522 found 6 hours ago

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

February is typically the cheapest month to fly

From $459 - $1,068 per traveler.

Alternative airports near Lisbon

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Humberto Delgado LIS. Cheapest option available. Flights from $1,110
LIS
Humberto Delgado
Cheapest
Flights from $1,110

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Humberto Delgado Airport (LIS) cost?
Get a cheap one-way flight from $329 or cheap return flight from $481 from San Francisco Intl. Airport (SFO) to Humberto Delgado Airport (LIS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to Humberto Delgado Airport (LIS)?
Flying in February is a great way to save, as it's the cheapest month for flights between SFO and LIS. You'll often find the lowest fares during off-peak months.
Which airlines fly direct from San Francisco Intl. Airport (SFO) to Humberto Delgado Airport (LIS)?
You can fly directly from San Francisco Intl. Airport (SFO) to Humberto Delgado Airport (LIS) on a TAP Portugal flight.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Humberto Delgado Airport (LIS)?
To find the cheapest airline flying from SFO to LIS, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from San Francisco Intl. Airport (SFO) to Humberto Delgado Airport (LIS)?
On average, you can choose from 3 direct flights each week from San Francisco Intl. Airport (SFO) to Humberto Delgado Airport (LIS). For more options, consider a flight with a layover. Just enter your details on Expedia and then filter your search to show one or two stops.
What are the most popular departure times for flights from San Francisco Intl. Airport (SFO) to Humberto Delgado Airport (LIS)?
More passengers fly between SFO and LIS at 4 PM than at any other time of day. Prefer a quieter experience? Travel outside of rush hours and there's a chance you'll save on your ticket as well.
What day of the week has the most flights from SFO to LIS?
If you jet off on a Saturday, you'll get the widest range of options for flights from San Francisco Intl. Airport (SFO) to Humberto Delgado Airport (LIS).
What is the earliest flight from San Francisco Intl. Airport (SFO) to Humberto Delgado Airport (LIS)?
The first flight of the day leaving from San Francisco Intl. Airport (SFO) is at around 4:40PM UTC-8. Board this plane and you'll land at Humberto Delgado Airport (LIS) at approximately 11:35AM UTC+0. The total time in the air is 10h 55m.
How long does it take to fly from San Francisco Intl. Airport (SFO) to Humberto Delgado Airport (LIS)?
Flights from SFO to LIS have an average travel time of 10 hours and 55 minutes. The distance between the two airports is 5,700 mi.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Humberto Delgado Airport (LIS)?
Book a flight from San Francisco Intl. Airport (SFO) to Humberto Delgado Airport (LIS) that takes off before 3 PM to reduce the likelihood of delays. Later departures are on average 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 Lisbon District from San Francisco Intl. Airport (SFO)?
If you're taking a direct flight from San Francisco Intl. Airport (SFO) to Lisbon District, Humberto Delgado Airport (LIS) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Humberto Delgado Airport (LIS) last-minute?
Last-minute fares from SFO to LIS are generally more expensive. For the cheapest rates, start searching for flights well in advance. That being said, if you're flexible with your travel dates, you may find a cheap ticket right before your journey.
Is it cheaper to book a SFO to LIS flight and hotel package?
Securing a SFO to LIS flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our wide range of hotels and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Humberto Delgado Airport (LIS)?
Usually, it's possible to cancel or reschedule your SFO to LIS flight. However, for bookings 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 information on our Customer Service portal.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Humberto Delgado
Airlines serving
Aer Lingus, Air Canada, Air Europa, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Royal Air Maroc, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$481
Distance
5668 mi
Average flight time
11 hours 10 mins

Book with confidence

San Francisco to Lisbon Flights

The cheapest times to fly from San Francisco to Lisbon

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 San Francisco to Lisbon are during the month of February. You can find some of the cheapest flights from San Francisco to Lisbon with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from San Francisco to Lisbon: 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 San Francisco to Lisbon

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 San Francisco to Lisbon in 2025. You can also book with separate airlines for your outbound and return journeys, from $329 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 San Francisco to Lisbon 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 San Francisco to Lisbon 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.

 

San Francisco to Lisbon Flights

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*Available to One Key members.