LIS - SFO

$476 Find Cheap Flights from Lisbon to San Francisco - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$476
Typical prices: $752-$995
British Airways
Tue 11/20Wed 12/5
LIS - SFO • 1 stop
Cheapest non-stop
$768
Typical prices: $774-$1,101
TAP AIR PORTUGAL
Tue 11/20Wed 12/5
LIS - SFO • Non-stop
Nonstop flights
You can fly direct with TAP AIR PORTUGAL. Average duration is 12h 44m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 81% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 20 weeks in advance save around 27% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 16% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $596 (round-trip)
Shortest trip • 14h 37m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to San Francisco!
Flight Deals
Booking Insights
Expert advice
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Lisbon to San Francisco

Fri, Nov 13 - Sat, Nov 28
British Airways Logo
11:05 am - 7:28 pmLIS  Lisbon Humberto Delgado-SFO San Francisco
16h 23m1 stop Philadelphia
British Airways Logo
8:35 pm - 10:30 pmSFO  San Francisco-LIS Lisbon Humberto Delgado
17h 55m1 stop London Heathrow
$453British Airways
Fri, Nov 20 - Sat, Dec 5
British Airways Logo
3:45 pm - 2:55 pmLIS  Lisbon Humberto Delgado-SFO San Francisco
31h 10m1 stop London Heathrow
British Airways Logo
8:35 pm - 10:30 pmSFO  San Francisco-LIS Lisbon Humberto Delgado
17h 55m1 stop London Heathrow
$476British Airways
Thu, Jan 14 - Mon, Jan 18
American Airlines Logo
8:20 am - 9:59 pmLIS  Lisbon Humberto Delgado-SFO San Francisco
21h 39m2 stops Madrid Barajas Philadelphia
American Airlines Logo
8:35 pm - 2:50 pmSFO  San Francisco-LIS Lisbon Humberto Delgado
34h 15m1 stop London Heathrow
$481American Airlines
Thu, Jan 14 - Mon, Jan 18
American Airlines Logo
8:20 am - 9:59 pmLIS  Lisbon Humberto Delgado-SFO San Francisco
21h 39m2 stops Madrid Barajas Philadelphia
American Airlines Logo
11:47 am - 2:55 pmSFO  San Francisco-LIS Lisbon Humberto Delgado
19h 08m2 stops Los Angeles London Heathrow
$481American Airlines
Fri, Nov 20 - Sat, Dec 5
Delta Logo
5:00 am - 11:45 amLIS  Lisbon Humberto Delgado-SFO San Francisco
14h 45m1 stop Amsterdam Schiphol
Delta Logo
3:10 pm - 5:30 pmSFO  San Francisco-LIS Lisbon Humberto Delgado
18h 20m1 stop Paris Charles de Gaulle
$551Delta
Fri, Nov 13 - Sat, Nov 28
Delta Logo
5:00 am - 5:13 pmLIS  Lisbon Humberto Delgado-SFO San Francisco
20h 13m2 stops Amsterdam Schiphol Seattle/Tacoma Intl
Delta Logo
10:38 am - 2:40 pmSFO  San Francisco-LIS Lisbon Humberto Delgado
20h 02m2 stops Seattle/Tacoma Intl Amsterdam Schiphol
$764Delta
Fri, Nov 20 - Sat, Dec 5
TAP AIR PORTUGAL Logo
11:15 am - 4:05 pmLIS  Lisbon Humberto Delgado-SFO San Francisco
12h 50mnonstop
TAP AIR PORTUGAL Logo
4:35 pm - 11:30 amSFO  San Francisco-LIS Lisbon Humberto Delgado
10h 55mnonstop
$768TAP AIR PORTUGAL
Fri, Nov 13 - Sat, Nov 28
TAP AIR PORTUGAL Logo
11:15 am - 4:05 pmLIS  Lisbon Humberto Delgado-SFO San Francisco
12h 50mnonstop
TAP AIR PORTUGAL Logo
4:35 pm - 11:30 amSFO  San Francisco-LIS Lisbon Humberto Delgado
10h 55mnonstop
$848TAP AIR PORTUGAL
Fri, Nov 20 - Sat, Dec 5
United Airlines Logo
5:00 am - 12:35 pmLIS  Lisbon Humberto Delgado-SFO San Francisco
15h 35m1 stop Frankfurt am Main
United Airlines Logo
10:50 am - 10:20 amSFO  San Francisco-LIS Lisbon Humberto Delgado
15h 30m1 stop Washington, D.C. Dulles Intl
$869United Airlines
Fri, Nov 20 - Sat, Dec 5
United Airlines Logo
5:00 am - 12:35 pmLIS  Lisbon Humberto Delgado-SFO San Francisco
15h 35m1 stop Frankfurt am Main
United Airlines Logo
12:45 pm - 10:20 amSFO  San Francisco-LIS Lisbon Humberto Delgado
13h 35m1 stop Washington, D.C. Dulles Intl
$873United Airlines
Booking Insights

Price, demand and travel trends for Lisbon to San Francisco flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Lisbon to San Francisco?

Round-trip flights from Lisbon to San Francisco typically range from $752 to $995. The lowest price found in the past 5 days was $476, on British Airways.

What's the cheapest day of the week to fly from Lisbon to San Francisco?

Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from Lisbon to San Francisco. It’s 7% cheaper than the average day, while Saturday is the most expensive, with prices 5% higher.

What’s the cheapest month to fly from Lisbon to San Francisco?

•February is the cheapest month to fly from Lisbon to San Francisco at $725 round-trip.
•August ($1,050) and July ($1,039) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 44% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Lisbon to San Francisco the cheapest?

Flights from Lisbon to San Francisco are cheapest 20 weeks before departure. Booking in this window typically costs about 27% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Lisbon to San Francisco

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Duncan Madden

Duncan Madden

Expert on LIS

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Blane Bachelor

Blane Bachelor

Expert on SFO

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Key details for Lisbon to San Francisco flights

Low season

May

Cheapest flight

$476
Beat the crowds with an average 28% drop in travelers.
The most popular month to fly with an average 67% increase in travelers.
Round-trip flight from Lisbon to San Francisco

When to book flights from Lisbon to San Francisco

Are your dates flexible? Find out the best times to travel from Lisbon to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Flights from Lisbon to San Francisco: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from Lisbon to San Francisco 
DeannaFlew with TAP AIR PORTUGAL-Jun 2026
Arrive 3 hrs before flight time to allow for new check in process. Facial recognition is now being used.
AmirFlew with TAP AIR PORTUGAL-Jul 2024
For any flight that's part of a Multi-City flight plan, don't miss it. Otherwise, all your remaining flights on that plan will be terminated.

Your Lisbon to San Francisco flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Lisbon to San Francisco?

    These are the earliest and latest flight times available from Lisbon to San Francisco:

    • Earliest: departs at 9:00 am and lands at 9:44 pm
    • Latest: departs at 1:10 pm and lands at 1:54 am.

    The flight takes about 12h 44m.

  • What cabin classes can I book on flights from Lisbon to San Francisco?

    Four cabin classes are available on flights from Lisbon to San Francisco:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from Lisbon to San Francisco?

    A nonstop flight from Lisbon to San Francisco takes 12h 44m, covering 5,664 miles.

  • Do I need a passport to fly from Lisbon to San Francisco?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Lisbon to San Francisco flight?

    Round-trip flights from Lisbon to San Francisco range from $752 to $995, with an average of $858 over the past 12 months. Anything below $752 counts as a good deal.

  • How expensive are last-minute Lisbon to San Francisco flights?

    Last-minute fares on this route (booked within two weeks of departure) run 15% above the $858 route average. Book 20 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Lisbon to San Francisco?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $596 round-trip via New York John F Kennedy Intl (JFK), compared to $912 for nonstop.

  • How does on-time performance compare across airlines flying from Lisbon to San Francisco?

    TAP AIR PORTUGAL is the only airline operating Lisbon to San Francisco flights. 81% of its flights are on time.

  • What is the standard checked-bag allowance on flights from Lisbon to San Francisco?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $79–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Lisbon to San Francisco?

    The Airbus A330-900neo family is used most often on this route, operated mainly by TAP AIR PORTUGAL and JetBlue. Other aircraft seen on the route include Airbus A330 variants.

  • How are flight departures from Lisbon to San Francisco spread across the day?

    Morning is the busiest departure period on Lisbon to San Francisco flights, with 100% of flights leaving in that window. Afternoon departures account for 0%, evening flights for 0%, and night flights for 0%.

  • How are flight prices from Lisbon to San Francisco looking right now?

    One-way fares from Lisbon to San Francisco are currently higher than usual. Average one-way flight prices are about $850, which is 6% above the typical average for this route.

  • What car rental options are available at San Francisco Airport (SFO)?

    San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include:

    • Thrifty
    • Europcar
    • Dollar
    • Hertz
    • Fox

  • Which airports can I use when flying from Lisbon to San Francisco?

    Flights from Lisbon to San Francisco usually depart from Lisbon Humberto Delgado (LIS) and arrive at San Francisco (SFO).

  • What time of day has the fewest delays on flights from Lisbon to San Francisco?

    Morning flights have the fewest delays on this route, while afternoon departures tend to have the most.

  • At what point is a flight considered delayed from Lisbon to San Francisco?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Lisbon to San Francisco route, 19% of flights were delayed in the past 3 months, with delays averaging 1h 46m.

  • Which airports do connecting flights from Lisbon to San Francisco pass through?

    One-stop flights from Lisbon to San Francisco most commonly connect through:

    • Paris Charles de Gaulle (CDG) - 27% of one-stop connections
    • London Heathrow (LHR) - 16% of one-stop connections
    • Philadelphia (PHL) - 15% of one-stop connections
    • Amsterdam Schiphol (AMS) - 7% of one-stop connections

  • Can I save money by using flexible dates for flights from Lisbon to San Francisco?

    Yes. Flexible dates can save you up to 12% on flights from Lisbon to San Francisco. Friday is the cheapest departure day at $799 round-trip on average, while Saturday is the most expensive at $904, a difference of $105.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Lisbon to San Francisco?

    Only TAP AIR PORTUGAL operates flights between Lisbon and San Francisco.

  • How much time can I save by choosing a different layover airport from Lisbon to San Francisco?

    Flying via Lajes (TER) gives the shortest average 1-stop total travel time at 14h 37m, compared with 14h 53m via Toronto Pearson Intl (YYZ) and 15h 02m via Madrid Barajas (MAD).

  • What is the time difference between Lisbon and San Francisco?

    San Francisco is 8 hours behind Lisbon (Pacific Time vs Western European Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in San Francisco?

    Some of the most popular sights in San Francisco are Fisherman's Wharf, Union Square and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Lisbon to San Francisco flights?

    Among airlines operating Lisbon to San Francisco flights:

    • TAP AIR PORTUGAL: offers extra legroom; offers free seat selection
    • JetBlue: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Lisbon to San Francisco flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • TAP AIR PORTUGAL: a cabin bag and a checked bag in Economy Class
    • JetBlue: a cabin bag and a checked bag in Economy Class
    • Etihad Airways: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

  • What documents do I need to fly from Lisbon to San Francisco?

    American citizens flying from Lisbon to San Francisco need a valid passport. Portuguese citizens need a valid passport and must apply in advance for an Electronic Travel Authorization (ESTA) under the Visa Waiver Program.

  • What are the baggage policies for flights from Lisbon to San Francisco?

    Economy passengers on flights from Lisbon to San Francisco can bring one carry-on bag and one personal item on board. Checked baggage allowances vary by fare. TAP Air Portugal's Economy Discount fare includes no free checked bag, while its Basic, Classic and Plus fares include one 23 kg bag. On TAP Air Portugal and British Airways, premium or business class includes two free checked bags.

Your guide to booking Lisbon to San Francisco flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Friday departure and avoid flying on Saturday. On this route, Friday flights average $799, about $105 less than Saturday fares (12% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 20 weeks before you fly. On this route, that window historically saves about 27% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Lisbon to San Francisco trip for February. Fares historically average $725 round-trip in that month - typically $325 less than the most expensive month, which is August (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through New York John F Kennedy Intl Airport (JFK) can be cheaper than flying direct. The cheapest layover option averages $596 round-trip on this route - about $316 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Francisco Airport.

    • Grand Hyatt At Sfo
  • Choose San Francisco International Airport (SFO) if you're traveling to San Francisco. It also works for trips to Palo Alto and the East Bay, since both are reachable by public transit.
  • On this long route, especially if you don't have many layovers, you may want to upgrade your ticket after booking to Economy Prime or business class, subject to availability and other restrictions on eligible TAP-operated flights. That can give you more legroom in Economy Prime or Business service.

Prefer to fly direct from Lisbon to San Francisco?

 
Find which airlines fly direct from Lisbon Humberto Delgado Airport to San Francisco Airport, which days they fly and book direct flights.

Direct departures

Lisbon Humberto Delgado to San Francisco

Monday

TAP AIR PORTUGAL

TAP AIR PORTUGAL

Wednesday

TAP AIR PORTUGAL

TAP AIR PORTUGAL

Friday

TAP AIR PORTUGAL

TAP AIR PORTUGAL

Saturday

TAP AIR PORTUGAL

TAP AIR PORTUGAL

See more direct flights

Direct returns

San Francisco to Lisbon Humberto Delgado

Monday

TAP AIR PORTUGAL

TAP AIR PORTUGAL

Wednesday

TAP AIR PORTUGAL

TAP AIR PORTUGAL

Friday

TAP AIR PORTUGAL

TAP AIR PORTUGAL

Saturday

TAP AIR PORTUGAL

TAP AIR PORTUGAL

See more direct flights

More options for your flight from Lisbon to San Francisco

Complete your trip to San Francisco with a hotel stay or car rental