Lisbon

$399+ 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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LIS
Jan 11 — Jan 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 59 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap 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 December 12, 2025.

This Finnair deal was found by Cheapflights users on 12/11. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:10 amSFO - LIS
1 stop18h 55mMultiple Airlines
Tue 1/206:30 amLIS - SFO
2 stops26h 17mMultiple Airlines
Deal found 12/11$508
This KAYAK deal was found by Cheapflights users on 12/11. 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.
Tue 12/3012:50 pmSFO - LIS
2 stops23h 05mLufthansa
Wed 1/145:00 amLIS - SFO
2 stops26h 00mLufthansa
Deal found 12/11$512
This KAYAK deal was found by Cheapflights users on 12/11. 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.
Tue 12/3012:50 pmSFO - LIS
2 stops23h 05mLufthansa
Mon 1/196:50 pmLIS - SFO
1 stop32h 05mLufthansa
Deal found 12/11$514
This oojo deal was found by Cheapflights users on 12/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:10 amSFO - LIS
1 stop18h 55mBritish Airways
Mon 1/126:35 pmLIS - SFO
1 stop28h 25mBritish Airways
Deal found 12/11$517
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:35 pmSFO - LIS
1 stop25h 30mAmerican Airlines
Tue 1/2011:05 amLIS - SFO
2 stops19h 23mAmerican Airlines
Deal found 12/10$520
This KAYAK deal was found by Cheapflights users on 12/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/102:40 pmSFO - LIS
2 stops24h 50mLufthansa
Thu 1/225:00 amLIS - SFO
1 stop15h 40mLufthansa
Deal found 12/9$525
This KAYAK deal was found by Cheapflights users on 12/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/102:40 pmSFO - LIS
2 stops24h 50mLufthansa
Tue 1/206:10 amLIS - SFO
1 stop20h 45mLufthansa
Deal found 12/9$526
This Ovago deal was found by Cheapflights users on 12/9. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:30 amSFO - LIS
1 stop16h 25mBritish Airways
Thu 1/2210:55 amLIS - SFO
1 stop16h 40mBritish Airways
Deal found 12/9$527
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Sun 12/146:00 amSFO - LIS
2 stops18h 10mUnited Airlines
Tue 1/206:10 amLIS - SFO
1 stop20h 45mUnited Airlines
Deal found 12/9$529
This Delta deal was found by Cheapflights users on 12/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:50 amSFO - LIS
2 stops19h 05mDelta
Mon 1/2611:25 amLIS - SFO
1 stop32h 25mDelta
Deal found 12/9$530
This KAYAK deal was found by Cheapflights users on 12/11. 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.
Mon 12/299:40 pmSFO - LIS
2 stops26h 35mLufthansa
Wed 1/147:45 amLIS - SFO
1 stop19h 50mLufthansa
Deal found 12/11$531

Find 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 December 12, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$505
(Air Canada)

One-way from

$399
(oojo)

Popular in

June

Cheapest in

January

Average price

$962

Good round-trip deal

$506 or less

Good one-way deal

$399 or less
Provider with most accurate pricing for San Francisco-Lisbon Humberto Delgado flight deals.
Provider most trusted by Cheapflights users for San Francisco-Lisbon Humberto Delgado flights.
From San Francisco to Lisbon Humberto Delgado
One-way flight from San Francisco to Lisbon Humberto Delgado
Highest demand for flights based on searches. 15% potential increase in price ($150 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Average for round-trip flights in December 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.

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 December 12, 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

Wed 2/18

4:02 pm-8:55 am

2 stops32h 53m

Lisbon Humberto Delgado

Sat 2/28

6:55 pm-8:27 pm

2 stops33h 32m

$514

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Wed 3/4

7:00 am-9:35 pm

2 stops30h 35m

Lisbon Humberto Delgado

Sat 3/14

7:05 am-11:16 pm

2 stops23h 11m

$514

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sat 1/17

4:03 pm-9:30 pm

2 stops21h 27m

Lisbon Humberto Delgado

Thu 1/22

6:55 pm-11:04 pm

2 stops36h 09m

$514

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Thu 2/12

1:55 pm-11:10 pm

1 stop25h 15m

Lisbon Humberto Delgado

Tue 2/17

4:50 pm-11:50 am

1 stop27h 00m

$518

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sun 2/22

8:54 am-5:30 pm

2 stops24h 36m

Lisbon Humberto Delgado

Sat 2/28

11:25 am-11:54 pm

2 stops44h 29m

$527

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sun 3/1

10:20 am-3:10 pm

2 stops20h 50m

Lisbon Humberto Delgado

Mon 3/9

5:00 am-8:23 pm

2 stops22h 23m

$527

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sat 2/21

8:25 am-8:55 am

1 stop16h 30m

Lisbon Humberto Delgado

Sat 2/28

5:00 am-8:10 pm

1 stop23h 10m

$531

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 2/6

3:40 pm-5:30 pm

1 stop17h 50m

Lisbon Humberto Delgado

Fri 2/20

10:00 am-9:11 pm

1 stop19h 11m

$532

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 2/6

3:40 pm-10:25 pm

1 stop22h 45m

Lisbon Humberto Delgado

Sat 2/14

9:50 am-11:50 am

1 stop34h 00m

$534

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sat 2/21

6:00 am-5:30 pm

2 stops27h 30m

Lisbon Humberto Delgado

Sat 2/28

11:25 am-11:50 am

1 stop32h 25m

$539

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 22 results
1
2
3

Compare providers for flights from San Francisco to Lisbon

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Lisbon in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
SmartFaresPrice Accuracy1 starTrust Score*1 star
GurufarePrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Lisbon flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on San Francisco-Lisbon flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from San Francisco-Lisbon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Lisbon flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Lisbon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 December 5, 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 59 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, November is the cheapest month in which you can book a flight from San Francisco to Lisbon (average of $488). Flying from San Francisco to Lisbon in June is currently the most expensive (average of $783). 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 December 12, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 22% 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.

The best insider tips for San Francisco to Lisbon flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
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.

LIS

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

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

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 December 12, 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.

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

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.

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

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.

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

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.

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

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.

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

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.

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

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?

    KLM and Delta can get you from San Francisco to Lisbon in just under 24h 36m. Your travel time can differ by up to 39m. 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 $291. Other airlines that can offer you cheap pricing are Iberia, from $347, and Scandinavian Airlines, from $409. LEVEL is priced at 64% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airlines for a one-way flight from San Francisco to Lisbon are Iberia ($258), LEVEL ($260), and TAP AIR PORTUGAL ($316).

  • 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 (80%), JetBlue (78%), TAP AIR PORTUGAL (78%).

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

    On average you can expect to pay $1,682 for a flight from San Francisco to Lisbon. The cheapest flight overall is $316 while the most popular route, (San Francisco - Lisbon Humberto Delgado) is currently priced at $444.

  • 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 $29 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 $41 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 Harbourfront Centre are the most popular attractions in Toronto if you're in need of something to do during your layover. Union Station, CN Tower, and Harbourfront Centre can be accessed by traveling approximately 12.1 mi, 11.9 mi, and 12.2 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 $26.

  • 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, November is the cheapest month in which you can book a flight from San Francisco to Lisbon (average of $488). Flying from San Francisco to Lisbon in June is currently the most expensive (average of $783). 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
Fátima
Oeiras
Ericeira
Costa da Caparica
Torres Vedras
Beja
Nazaré
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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$351Average$750FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$363Average$881FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$409Average$596FlexibilityNo cancel feeOn-time77%
KLMCheapest$489Average$661FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$501Average$779FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$505Average$803FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$517Average$750FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$518Average$826FlexibilityNo cancel feeOn-time69%
VuelingCheapest$532Average$774FlexibilityNo cancel feeOn-time88%
DeltaCheapest$549Average$858FlexibilityNo cancel feeOn-timeN/A

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.