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Cheap flights from San Francisco to Lisbon from C$ 635

SFO — LIS
29 Nov — 6 Dec1
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

Tue 24/114:45 p.m. -
1 stop15h 20m
Thu 3/125:55 p.m. -
1 stop28h 55m
Deal found 28/10C$ 976
Wed 9/124:45 p.m. -
1 stop16h 20m
Fri 25/124:45 p.m. -
1 stop30h 05m
Deal found 30/10C$ 999
Mon 9/114:45 p.m. -
1 stop15h 25m
Wed 18/114:55 p.m. -
1 stop29h 55m
Deal found 30/10C$ 1,000
Wed 11/114:45 p.m. -
1 stop16h 20m
Mon 23/115:15 p.m. -
1 stop29h 35m
Deal found 30/10C$ 1,038
Mon 9/114:45 p.m. -
1 stop15h 25m
Tue 17/115:00 p.m. -
1 stop29h 50m
Deal found 27/10C$ 1,041
Wed 18/114:45 p.m. -
1 stop16h 20m
Tue 24/115:00 p.m. -
1 stop29h 50m
Deal found 25/10C$ 1,074
Tue 24/114:45 p.m. -
1 stop15h 20m
Wed 2/124:55 p.m. -
2 stops36h 37m
Deal found 28/10C$ 1,083
Sat 12/1211:59 p.m. -
1 stop24h 11m
Thu 24/1212:25 p.m. -
1 stop15h 45m
Deal found 26/10C$ 1,094
Wed 2/128:25 a.m. -
1 stop14h 30m
Fri 11/125:00 a.m. -
1 stop15h 35m
Deal found 30/10C$ 1,098
Tue 1/126:00 a.m. -
1 stop20h 20m
Wed 16/1212:25 p.m. -
1 stop15h 45m
Deal found 30/10C$ 1,099

Find flight deals from San Francisco to Lisbon

Round-trip from

C$ 976

One-way from

C$ 635

Popular in

June

Cheapest in

January

Average price

C$ 1,169
Scandinavian Airlines
  • Scandinavian Airlines
  • 13/1-9/2
  • 2 total stops
  • 45h 10m total
  • San Francisco to Lisbon
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United Airlines
  • United Airlines
  • 13/4-31/12
  • 3 total stops
  • 41h 35m total
  • San Francisco to Lisbon
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Highest demand for flights based on searches. 18% potential increase in price (C$ 395 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 65 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
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 San Francisco - LIS Lisbon Humberto Delgado

SFOLIS

San Francisco

Sun 6/12

7:25 p.m.-2:35 p.m.

1 stop35h 10m

Lisbon Humberto Delgado

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 730

San FranciscoLisbon

SFO San Francisco - LIS Lisbon Humberto Delgado

SFOLIS

San Francisco

Wed 4/11

8:35 p.m.-9:55 p.m.

1 stop17h 20m

Lisbon Humberto Delgado

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 797
Quickest round-trip

San FranciscoLisbon

SFO San Francisco - LIS Lisbon Humberto Delgado

SFOLIS

San Francisco

Sun 29/11

8:35 p.m.-9:45 p.m.

1 stop17h 10m

Lisbon Humberto Delgado

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 797

San FranciscoLisbon

SFO San Francisco - LIS Lisbon Humberto Delgado

SFOLIS

San Francisco

Wed 25/11

5:50 a.m.-9:00 a.m.

2 stops19h 10m

Lisbon Humberto Delgado

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 803

San FranciscoLisbon

SFO San Francisco - LIS Lisbon Humberto Delgado

SFOLIS

San Francisco

Mon 23/11

5:25 p.m.-9:45 a.m.

1 stop32h 20m

Lisbon Humberto Delgado

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 803

San FranciscoLisbon

SFO San Francisco - LIS Lisbon Humberto Delgado

SFOLIS

San Francisco

Sat 12/12

11:59 p.m.-8:10 a.m.

1 stop24h 11m

Lisbon Humberto Delgado

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 807

San FranciscoLisbon

SFO San Francisco - LIS Lisbon Humberto Delgado

SFOLIS

San Francisco

Sat 26/12

11:59 p.m.-8:10 a.m.

1 stop24h 11m

Lisbon Humberto Delgado

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 807

San FranciscoLisbon

SFO San Francisco - LIS Lisbon Humberto Delgado

SFOLIS

San Francisco

Sun 22/11

2:05 p.m.-5:30 p.m.

2 stops19h 25m

Lisbon Humberto Delgado

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 811

San FranciscoLisbon

SFO San Francisco - LIS Lisbon Humberto Delgado

SFOLIS

San Francisco

Wed 16/12

6:00 a.m.-10:20 a.m.

1 stop20h 20m

Lisbon Humberto Delgado

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 855

San FranciscoLisbon

SFO San Francisco - LIS Lisbon Humberto Delgado

SFOLIS

San Francisco

Thu 19/11

7:00 a.m.-8:55 a.m.

1 stop17h 55m

Lisbon Humberto Delgado

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 877

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

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

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?

To ensure you get the cheapest price possible for a flight from San Francisco to Lisbon, you should look to book at least 15 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, January is the cheapest month in which you can book a flight from San Francisco to Lisbon (average of C$ 912). Flying from San Francisco to Lisbon in June is currently the most expensive (average of C$ 1,755). 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?

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?

Airfare is typical for this route at the moment.

San Francisco to Lisbon flights typically cost between C$ 964 and C$ 1,601 in January.
The cheapest round-trip price found within the last 5 days was C$ 976 on Scandinavian Airlines (9 Jan-9 Feb).

Related info for your journey

  • How popular is this San Francisco to Lisbon flight route?

    Within the past month, 1 users have taken a look at flights from San Francisco to Lisbon Humberto Delgado.

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

    Departing from San Francisco to Lisbon will take you 18h 40m. The distance from San Francisco to Lisbon is about 9115 km. Both multi-stop and direct flights can be found to your destination and back.

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

    Consider Etihad Airways (85%), JetBlue (82%) or TAP AIR PORTUGAL (82%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to Lisbon.

  • 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 C$ 912). Flying from San Francisco to Lisbon in June is currently the most expensive (average of C$ 1,755). 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
Estoril
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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