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Cheap flights from San Francisco to Lisbon from C$ 678

SFO — LIS
14 Oct — 21 Oct1
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

Wed 14/101:35 p.m. -
1 stop13h 30m
Wed 28/1011:55 a.m. -
2 stops30h 55m
Deal found 13/9C$ 903
Mon 28/97:40 a.m. -
1 stop17h 25m
Tue 13/106:45 p.m. -
1 stop27h 05m
Deal found 12/9C$ 940
Mon 5/108:10 p.m. -
1 stop28h 40m
Tue 20/105:00 a.m. -
2 stops26h 56m
Deal found 14/9C$ 964
Thu 24/128:35 p.m. -
1 stop29h 25m
Tue 5/112:55 p.m. -
1 stop34h 00m
Deal found 13/9C$ 965
Sat 17/1010:35 a.m. -
2 stops16h 10m
Wed 28/1011:15 a.m. -
1 stop17h 08m
Deal found 12/9C$ 967
Tue 6/102:40 p.m. -
2 stops19h 10m
Tue 20/105:00 a.m. -
2 stops20h 05m
Deal found 14/9C$ 968
Mon 28/911:58 a.m. -
2 stops21h 52m
Tue 13/105:00 a.m. -
2 stops22h 42m
Deal found 14/9C$ 970
Tue 29/99:05 p.m. -
1 stop17h 40m
Tue 13/105:05 a.m. -
2 stops20h 37m
Deal found 10/9C$ 971
Fri 16/104:45 p.m. -
1 stop21h 20m
Tue 27/104:55 p.m. -
1 stop29h 55m
Deal found 12/9C$ 972
Sun 13/1212:00 p.m. -
1 stop13h 20m
Mon 28/126:00 a.m. -
1 stop21h 35m
Deal found 13/9C$ 974
Sun 13/127:00 a.m. -
1 stop17h 55m
Sun 27/1211:15 a.m. -
1 stop21h 20m
Deal found 13/9C$ 975

Find flight deals from San Francisco to Lisbon

Round-trip from

C$ 903

One-way from

C$ 678

Popular in

June

Cheapest in

February

Average price

C$ 1,352
United Airlines
  • United Airlines
  • 14/10-28/10
  • 3 total stops
  • 44h 25m total
  • San Francisco to Lisbon
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1/10-31/12
  • 1/10-31/12
  • 1 total stop
  • 36h 30m total
  • San Francisco to Lisbon
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 411 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 67 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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

Thu 1/10

8:30 p.m.-5:00 p.m.

1 stop36h 30m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 697

San FranciscoLisbon

SFO San Francisco - LIS Lisbon Humberto Delgado

SFOLIS

San Francisco

Thu 22/10

11:10 a.m.-9:20 a.m.

1 stop14h 10m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 711

San FranciscoLisbon

SFO San Francisco - LIS Lisbon Humberto Delgado

SFOLIS

San Francisco

Wed 30/9

1:20 p.m.-6:45 p.m.

2 stops21h 25m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 761

San FranciscoLisbon

SFO San Francisco - LIS Lisbon Humberto Delgado

SFOLIS

San Francisco

Thu 8/10

2:15 p.m.-5:50 p.m.

2 stops19h 35m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 795

San FranciscoLisbon

SFO San Francisco - LIS Lisbon Humberto Delgado

SFOLIS

San Francisco

Mon 28/9

4:35 p.m.-10:05 a.m.

1 stop33h 30m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 827

San FranciscoLisbon

SFO San Francisco - LIS Lisbon Humberto Delgado

SFOLIS

San Francisco

Wed 7/10

12:05 p.m.-5:50 p.m.

2 stops21h 45m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 842

San FranciscoLisbon

SFO San Francisco - LIS Lisbon Humberto Delgado

SFOLIS

San Francisco

Tue 22/12

11:30 p.m.-10:20 a.m.

2 stops26h 50m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 868
Quickest round-trip

San FranciscoLisbon

SFO San Francisco - LIS Lisbon Humberto Delgado

SFOLIS

San Francisco

Sat 24/10

7:35 p.m.-1:40 p.m.

Nonstop11h 05m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 870

San FranciscoLisbon

SFO San Francisco - LIS Lisbon Humberto Delgado

SFOLIS

San Francisco

Fri 9/10

4:35 p.m.-10:05 a.m.

1 stop33h 30m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 910

San FranciscoLisbon

SFO San Francisco - LIS Lisbon Humberto Delgado

SFOLIS

San Francisco

Thu 8/10

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

1 stop22h 30m

Lisbon Humberto Delgado

Wed 31/12

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

Nonstop0h 00m

C$ 910

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

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 12 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$ 856). Flying from San Francisco to Lisbon in June is currently the most expensive (average of C$ 1,741). 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 below average for this route at the moment.

San Francisco to Lisbon flights typically cost between C$ 1,109 and C$ 1,632 in October.
The cheapest round-trip price found within the last 5 days was C$ 903 on United Airlines (14 Oct-28 Oct).

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 19h 20m. 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 (83%), JetBlue (79%) or TAP AIR PORTUGAL (79%) 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, February is the cheapest month in which you can book a flight from San Francisco to Lisbon (average of C$ 856). Flying from San Francisco to Lisbon in June is currently the most expensive (average of C$ 1,741). 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
Fátima
Sintra
Óbidos
Estoril
Costa da Caparica
Setúbal

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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Lisbon from San Francisco.

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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