Cheap flights from San Francisco to Lisbon from C$ 706

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 29/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LIS
23 May — 30 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Francisco to Lisbon

Enter your travel dates to find the best prices.

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 23 April 2026.

Tue 3/114:40 p.m.
SFO
-
LIS
1 stop15h 25m
Scandinavian Airlines
Sun 8/114:55 p.m.
LIS
-
SFO
1 stop29h 40m
Scandinavian Airlines
Deal found 20/4C$ 922
Sun 1/114:40 p.m.
SFO
-
LIS
1 stop15h 25m
Scandinavian Airlines
Sun 8/114:55 p.m.
LIS
-
SFO
1 stop29h 40m
Scandinavian Airlines
Deal found 20/4C$ 963
Mon 27/43:05 p.m.
SFO
-
LIS
1 stop15h 50m
Delta
Tue 5/55:00 a.m.
LIS
-
SFO
1 stop14h 45m
Delta
Deal found 21/4C$ 971
Mon 27/47:05 a.m.
SFO
-
LIS
1 stop19h 40m
Delta
Wed 6/55:00 a.m.
LIS
-
SFO
1 stop14h 45m
Delta
Deal found 20/4C$ 973
Wed 2/125:00 a.m.
SFO
-
LIS
2 stops19h 10m
United Airlines
Wed 16/125:00 a.m.
LIS
-
SFO
1 stop18h 55m
United Airlines
Deal found 18/4C$ 975
Tue 28/41:45 p.m.
SFO
-
LIS
1 stop21h 00m
Delta
Thu 7/511:55 a.m.
LIS
-
SFO
1 stop31h 50m
Delta
Deal found 20/4C$ 978
Wed 2/128:40 p.m.
SFO
-
LIS
1 stop17h 10m
Multiple Airlines
Tue 15/126:30 a.m.
LIS
-
SFO
2 stops26h 13m
Multiple Airlines
Deal found 20/4C$ 981
Mon 7/912:55 p.m.
SFO
-
LIS
1 stop18h 40m
Turkish Airlines
Wed 16/94:45 p.m.
LIS
-
SFO
1 stop26h 05m
Turkish Airlines
Deal found 19/4C$ 982
Tue 22/96:45 p.m.
SFO
-
LIS
1 stop36h 50m
Turkish Airlines
Tue 29/910:55 a.m.
LIS
-
SFO
1 stop37h 45m
Turkish Airlines
Deal found 20/4C$ 983
Wed 22/410:32 a.m.
SFO
-
LIS
2 stops20h 03m
Delta
Wed 29/45:00 a.m.
LIS
-
SFO
1 stop14h 45m
Delta
Deal found 19/4C$ 985
Sun 26/43:05 p.m.
SFO
-
LIS
1 stop18h 45m
Delta
Wed 6/55:00 a.m.
LIS
-
SFO
2 stops22h 56m
Delta
Deal found 20/4C$ 986
Sat 31/1010:45 p.m.
SFO
-
LIS
1 stop26h 15m
Delta
Mon 9/1111:25 a.m.
LIS
-
SFO
1 stop32h 25m
Delta
Deal found 20/4C$ 988

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 23 April 2026.

Round-trip from

C$ 982

One-way from

C$ 706

Popular in

June

Cheapest in

February

Average price

C$ 1,038

Good round-trip deal

C$ 763 or less
Turkish Airlines
  • Turkish Airlines
  • 7/9-16/9
  • 2 total stops
  • 44h 45m total
  • San Francisco to Lisbon
United Airlines
  • United Airlines
  • 29/8
  • 1 total stop
  • 25h 34m total
  • San Francisco to Lisbon
Highest demand for flights based on searches. 20% potential increase in price (C$ 404 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease (C$ 62 potential savings vs. average RT price).
Average for round-trip flights in April 2026
Price to beat on a round-trip 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 629,999 searches. Data last updated 23 April 2026.
Use the filters below to find and compare flights from San Francisco to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sun 3/5

6:20 a.m.-10:55 a.m.

2 stops20h 35m

Lisbon Humberto Delgado

Sun 17/5

5:00 a.m.-11:45 a.m.

1 stop14h 45m

C$ 1,115

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Tue 5/5

1:45 p.m.-2:35 p.m.

1 stop16h 50m

Lisbon Humberto Delgado

Sun 24/5

5:00 a.m.-7:20 p.m.

2 stops22h 20m

C$ 1,121
Quickest round-trip

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sun 13/9

2:20 p.m.-5:50 p.m.

2 stops19h 30m

Lisbon Humberto Delgado

Thu 24/9

5:00 a.m.-11:45 a.m.

1 stop14h 45m

C$ 1,221

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 14/8

7:00 a.m.-10:45 a.m.

1 stop19h 45m

Lisbon Humberto Delgado

Mon 24/8

5:00 a.m.-6:35 p.m.

2 stops21h 35m

C$ 1,244

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sun 5/7

4:35 p.m.-11:05 p.m.

1 stop22h 30m

Lisbon Humberto Delgado

Tue 14/7

6:35 a.m.-11:51 p.m.

2 stops25h 16m

C$ 1,355

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 10/7

10:17 a.m.-11:25 p.m.

2 stops29h 08m

Lisbon Humberto Delgado

Fri 17/7

6:35 a.m.-11:51 p.m.

2 stops25h 16m

C$ 1,366

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sat 5/9

6:34 p.m.-9:20 a.m.

2 stops30h 46m

Lisbon Humberto Delgado

Sun 13/9

12:20 p.m.-1:16 a.m.

1 stop20h 56m

C$ 1,370

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Tue 23/6

7:05 a.m.-10:45 a.m.

1 stop19h 40m

Lisbon Humberto Delgado

Thu 2/7

5:00 a.m.-6:13 p.m.

2 stops21h 13m

C$ 1,375

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sun 19/7

8:30 a.m.-11:05 a.m.

1 stop18h 35m

Lisbon Humberto Delgado

Wed 29/7

12:55 p.m.-9:02 p.m.

1 stop16h 07m

C$ 1,377

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sun 31/5

10:29 a.m.-2:55 p.m.

2 stops20h 26m

Lisbon Humberto Delgado

Thu 23/7

5:00 a.m.-6:30 p.m.

2 stops21h 30m

C$ 1,382

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/4

Showing 1-10 of 23 resultsSorted by cheapest first
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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 17 April 2026.

To ensure you get the cheapest price possible for a flight from San Francisco to Lisbon, you should look to book at least 13 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from San Francisco to Lisbon (average of C$ 833). Flying from San Francisco to Lisbon in June is currently the most expensive (average of C$ 1,605). 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 23 April 2026.

When flying from San Francisco to Lisbon, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from San Francisco to Lisbon?

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?

    Departing from San Francisco to Lisbon will take you 20h 35m. The distance from San Francisco to Lisbon is about 9115 km.

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

    Consider JetBlue (84%), TAP AIR PORTUGAL (84%) or Etihad Airways (67%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to Lisbon.

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

    The cheapest flight price from San Francisco to Lisbon is C$ 763. On average you can expect to pay C$ 1,134. The most popular route, (San Francisco - Lisbon Humberto Delgado), can usually be booked for C$ 1,393.

  • 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, February is the cheapest month in which you can book a flight from San Francisco to Lisbon (average of C$ 833). Flying from San Francisco to Lisbon in June is currently the most expensive (average of C$ 1,605). 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

Travelling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Fátima
Óbidos
Costa da Caparica
Setúbal

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Can Cheapflights find flights from San Francisco to Lisbon with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Francisco to Lisbon, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from San Francisco to Lisbon become cheaper?

Yes, Cheapflights offers price alerts on San Francisco to Lisbon flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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