Lisbon

$317+ Cheap flights from San Francisco (SFO) to Lisbon (LIS)

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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LIS
oct. 11 — oct. 181
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco to Lisbon 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 San Francisco to Lisbon Humberto Delgado are usually found in January or February, booked 89 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from San Francisco to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septiembre 11, 2025.

Round-trip from

$610
(Delta)

One-way from

$317
(FlightHub)

Popular in

December

Cheapest in

January

Average price

$855

Good round-trip deal

$525 or less

Good one-way deal

$243 or less
From San Francisco to Lisbon Humberto Delgado
One-way flight from San Francisco to Lisbon Humberto Delgado
High demand for flights, 0% potential price rise
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from San Francisco to Lisbon Humberto Delgado.
Price to beat on a one-way flight from San Francisco to Lisbon Humberto Delgado.

Find flight deals from San Francisco to Lisbon

Cheapest flights from San Francisco to Lisbon
Explore the most affordable flight options available from San Francisco to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/221:45 pmSFO - LIS
2 stops20h 05mDelta
jue. 10/99:50 amLIS - SFO
2 stops21h 43mDelta
Deal found 9/11$610
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/309:40 amSFO - LIS
2 stops21h 10mDelta
mar. 10/75:40 amLIS - SFO
2 stops20h 05mDelta
Deal found 9/10$611
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/139:05 pmSFO - LIS
2 stops18h 25mLufthansa
lun. 10/272:10 pmLIS - SFO
2 stops30h 30mLufthansa
Deal found 9/10$612
This KAYAK deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/87:25 pmSFO - LIS
1 stop35h 10mSWISS
sáb. 12/136:00 pmLIS - SFO
2 stops54h 30mSWISS
Deal found 9/11$613
This Ovago deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/94:30 pmSFO - LIS
1 stop22h 35mBritish Airways
vie. 10/1711:05 amLIS - SFO
1 stop30h 49mBritish Airways
Deal found 9/10$614
This KAYAK deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/64:55 pmSFO - LIS
2 stops22h 35mLufthansa
mar. 10/144:15 pmLIS - SFO
1 stop28h 25mLufthansa
Deal found 9/10$615
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/157:30 pmSFO - LIS
1 stop19h 50mSWISS
dom. 10/264:55 amLIS - SFO
1 stop19h 35mSWISS
Deal found 9/9$616
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/201:30 pmSFO - LIS
1 stop15h 50mUnited Airlines
mar. 12/26:10 amLIS - SFO
1 stop21h 25mUnited Airlines
Deal found 9/9$617
This British Airways deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/114:30 pmSFO - LIS
1 stop22h 40mBritish Airways
jue. 10/307:00 amLIS - SFO
2 stops20h 55mBritish Airways
Deal found 9/11$618
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/87:30 pmSFO - LIS
1 stop19h 50mSWISS
lun. 10/132:30 pmLIS - SFO
2 stops33h 40mSWISS
Deal found 9/10$619
This Gotogate deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/97:30 pmSFO - LIS
1 stop19h 45mMultiple Airlines
mar. 10/145:05 amLIS - SFO
2 stops26h 03mMultiple Airlines
Deal found 9/9$620
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/239:35 amSFO - LIS
1 stop14h 25mDelta
lun. 11/35:30 amLIS - SFO
2 stops19h 54mDelta
Deal found 9/10$621

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Lisbon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 11, 2025.
Use the filters below to find and compare flights from San Francisco to Lisbon that are best for you.

Fly from

San Francisco

Fly to

Lisbon

Route

Depart

Return

Price

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

lun. 9/22

12:40 pm-2:50 pm

2 stops18h 10m

Lisbon Humberto Delgado

jue. 10/2

9:50 am-11:57 pm

2 stops22h 07m

$610

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

mar. 9/30

11:35 am-2:50 pm

2 stops19h 15m

Lisbon Humberto Delgado

mar. 10/7

5:00 am-11:45 am

1 stop14h 45m

$620

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

lun. 10/6

7:20 pm-11:10 pm

1 stop19h 50m

Lisbon Humberto Delgado

jue. 10/16

7:20 am-5:25 pm

1 stop18h 05m

$623

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

mar. 9/30

4:30 pm-10:05 am

1 stop33h 35m

Lisbon Humberto Delgado

lun. 10/6

6:45 pm-5:25 pm

1 stop30h 40m

$623

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

sáb. 11/8

4:40 pm-4:05 pm

1 stop15h 25m

Lisbon Humberto Delgado

sáb. 11/15

7:05 am-10:10 pm

2 stops23h 05m

$625

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

mié. 11/19

8:40 pm-9:55 am

1 stop29h 15m

Lisbon Humberto Delgado

dom. 11/30

3:55 pm-3:00 pm

1 stop31h 05m

$638

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

lun. 12/1

4:40 pm-10:00 pm

2 stops21h 20m

Lisbon Humberto Delgado

vie. 12/5

7:00 am-2:35 pm

2 stops39h 35m

$655

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

jue. 11/20

9:40 pm-11:30 pm

1 stop17h 50m

Lisbon Humberto Delgado

mié. 11/26

5:00 am-8:10 pm

1 stop23h 10m

$656

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

lun. 12/1

4:40 pm-10:00 pm

2 stops21h 20m

Lisbon Humberto Delgado

jue. 12/4

8:00 am-2:35 pm

2 stops38h 35m

$658

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

jue. 11/20

8:30 am-9:20 am

2 stops16h 50m

Lisbon Humberto Delgado

lun. 11/24

10:15 am-9:05 pm

2 stops18h 50m

$660

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 24 results
1
2
3

The best insider tips for San Francisco to Lisbon flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to Lisbon trip
Airports
SFO

Plan extra time for security checkpoints at SFO, especially during peak hours, to ensure a smooth departure for your long flight to Lisbon.

Read more about SFOby Harriet Baskas
LIS

Use the metro line for a quick 20-minute ride from LIS to downtown Lisbon, offering a convenient and affordable arrival option.

Read more about LISby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on LIS

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Harriet Baskas

Harriet Baskas

Expert on SFO

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

Best time to book a flight from San Francisco to Lisbon

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Lisbon. Price data was last updated on August 29, 2025.

The price you pay for your flight from San Francisco to Lisbon may vary depending on when you book. For the best chance of a lower fare, look to book 89 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from San Francisco to Lisbon (average of $612). Flying from San Francisco to Lisbon in June is currently the most expensive (average of $1,127). 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 SFO to LIS?

Find hourly flight availability from San Francisco to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 11, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 20% on flights from San Francisco to Lisbon by exploring options for tickets in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Lisbon. Price data was last updated on December 16, 2024.

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

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lisbon. Reviews last updated septiembre 11, 2025.
Read through reviews of airlines operating flights from San Francisco to Lisbon, such as Delta, United Airlines, and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Lisbon. 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 San Francisco to Lisbon flight route?

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

    Delta, British Airways, and Scandinavian Airlines can get you from San Francisco to Lisbon in just under 15h 25m. Your travel time can differ by up to 4h 25m. The distance between San Francisco and Lisbon is about 5664 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Cheapflights users have booked flights from San Francisco to Lisbon round-trip from $351. Other airlines that can offer you cheap pricing are Iberia, from $363, and Scandinavian Airlines, from $409. LEVEL is priced at 58% lower than the current average price of a flight leaving 3 months from now.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco to Lisbon on time: Etihad Airways (88%), JetBlue (77%), TAP AIR PORTUGAL (77%).

  • What are the cheapest flights from San Francisco to Lisbon?

    On average you can expect to pay $1,659 for a flight from San Francisco to Lisbon. The cheapest flight overall is $167 while the most popular route, (San Francisco - Lisbon Humberto Delgado) is currently priced at $450.

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

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

    Hyde Park, Buckingham Palace, and Piccadilly Circus are the most popular attractions in London if you're in need of something to do during your layover. Those on a layover in London interested in visiting Hyde Park, Buckingham Palace, or Piccadilly Circus can do so by traveling 12.5 mi, 13.7 mi, and 14.1 mi, respectively from London Heathrow. Travelers in need of a car in London can rent one for about $41 per day.

  • What are some popular points of interest to see during a layover in Montreal?

    Most Montreal visitors opt to spend their time at Centre Bell, Vieux-Port de Montréal, and Notre-Dame Basilica. Travelers on a layover in Montreal can visit Centre Bell, Vieux-Port de Montréal, and Notre-Dame Basilica, by traveling 9.1 mi, 10.0 mi, and 9.9 mi, respectively after landing at Montreal Pierre Elliott Trudeau Intl. Travelers can book a car rental at Montreal Pierre Elliott Trudeau Intl for about $59 per day to make their sightseeing more efficient.

  • What are points of interest worth seeing during a layover in Toronto?

    Union Station, CN Tower, and Hockey Hall of Fame are the most popular attractions in Toronto if you're in need of something to do during your layover. Union Station, CN Tower, and Hockey Hall of Fame can be accessed by traveling approximately 12.1 mi, 11.9 mi, and 12.3 mi, respectively from Toronto Pearson Intl. Those on a layover in Toronto in need of a rental car can book one at Toronto Pearson Intl for about $47.

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to Lisbon 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 San Francisco to Lisbon?

    Currently, January is the cheapest month in which you can book a flight from San Francisco to Lisbon (average of $612). Flying from San Francisco to Lisbon in June is currently the most expensive (average of $1,127). 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

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Fátima
Oeiras
Beja
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Sesimbra
Colares

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from San Francisco to Lisbon

Discover the top 10 airlines that operate flights from San Francisco to Lisbon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$351Average$725FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$363Average$882FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$409Average$629FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$496Average$821FlexibilityNo cancel feeOn-time72%
VuelingCheapest$532Average$746FlexibilityNo cancel feeOn-time88%
LufthansaCheapest$550Average$830FlexibilityNo cancel feeOn-time76%
KLMCheapest$559Average$751FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$560Average$785FlexibilityNo cancel feeOn-time70%
TAP AIR PORTUGALCheapest$569Average$882FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$582Average$834FlexibilityNo cancel feeOn-time79%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.