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Cheap flights from San Francisco to Lisbon from C$ 484

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 14/11. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LIS
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 11 September 2025.

Round-trip from

C$ 845

One-way from

C$ 484

Popular in

December

Cheapest in

January

Average price

C$ 1,185
Delta
  • Delta
  • 22/9-9/10
  • 4 total stops
  • 41h 48m total
  • San Francisco to Lisbon
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14/11
  • 14/11
  • 1 total stop
  • 22h 10m total
  • San Francisco to Lisbon
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 3% potential price decrease (C$ 53 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 11 September 2025.

Mon 22/91:45 p.m.SFO - LIS
2 stops20h 05mDelta
Thu 9/109:50 a.m.LIS - SFO
2 stops21h 43mDelta
Deal found 11/9C$ 845
Tue 30/912:40 p.m.SFO - LIS
2 stops21h 10mDelta
Tue 14/105:40 a.m.LIS - SFO
2 stops22h 14mDelta
Deal found 11/9C$ 847
Fri 17/109:50 p.m.SFO - LIS
1 stop28h 55mDelta
Mon 27/1012:20 p.m.LIS - SFO
1 stop33h 05mDelta
Deal found 10/9C$ 848
Mon 20/109:35 a.m.SFO - LIS
1 stop14h 25mMultiple Airlines
Sun 2/116:30 p.m.LIS - SFO
1 stop26h 55mMultiple Airlines
Deal found 11/9C$ 852
Tue 14/109:05 p.m.SFO - LIS
1 stop16h 45mUnited Airlines
Sun 26/106:10 a.m.LIS - SFO
1 stop21h 25mUnited Airlines
Deal found 9/9C$ 855
Sat 11/104:30 p.m.SFO - LIS
1 stop22h 40mBritish Airways
Thu 30/107:00 a.m.LIS - SFO
2 stops20h 55mBritish Airways
Deal found 11/9C$ 856
Fri 14/117:25 a.m.SFO - LIS
2 stops18h 50mUnited Airlines
Sat 22/116:10 a.m.LIS - SFO
2 stops22h 07mUnited Airlines
Deal found 10/9C$ 858
Tue 7/101:25 p.m.SFO - LIS
2 stops20h 25mDelta
Tue 14/105:00 a.m.LIS - SFO
1 stop14h 45mDelta
Deal found 11/9C$ 859
Tue 16/126:30 a.m.SFO - LIS
2 stops18h 25mUnited Airlines
Wed 24/125:00 a.m.LIS - SFO
1 stop23h 10mUnited Airlines
Deal found 10/9C$ 861
Sun 21/94:30 p.m.SFO - LIS
1 stop17h 25mBritish Airways
Tue 30/96:45 p.m.LIS - SFO
1 stop27h 05mBritish Airways
Deal found 11/9C$ 862
Sun 21/94:30 p.m.SFO - LIS
1 stop22h 35mBritish Airways
Wed 1/103:10 p.m.LIS - SFO
1 stop30h 40mBritish Airways
Deal found 10/9C$ 863
Fri 28/114:40 p.m.SFO - LIS
1 stop32h 15mScandinavian Airlines
Tue 2/128:05 a.m.LIS - SFO
2 stops62h 30mScandinavian Airlines
Deal found 10/9C$ 865

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 11 September 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

Mon 22/9

12:40 p.m.-2:50 p.m.

2 stops18h 10m

Lisbon Humberto Delgado

Thu 2/10

9:50 a.m.-11:57 p.m.

2 stops22h 07m

C$ 845

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Wed 5/11

1:30 p.m.-11:30 p.m.

1 stop26h 00m

Lisbon Humberto Delgado

Fri 14/11

6:10 a.m.-7:35 p.m.

1 stop21h 25m

C$ 848

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 12/12

6:30 a.m.-7:55 a.m.

1 stop17h 25m

Lisbon Humberto Delgado

Wed 7/1

11:15 a.m.-6:55 p.m.

1 stop15h 40m

C$ 859

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Tue 23/9

7:20 p.m.-10:05 a.m.

1 stop30h 45m

Lisbon Humberto Delgado

Wed 1/10

6:40 p.m.-1:50 p.m.

1 stop27h 10m

C$ 863

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Tue 23/9

4:30 p.m.-10:05 a.m.

1 stop33h 35m

Lisbon Humberto Delgado

Tue 30/9

6:45 p.m.-1:50 p.m.

1 stop27h 05m

C$ 863

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Wed 24/9

7:05 a.m.-8:50 a.m.

2 stops17h 45m

Lisbon Humberto Delgado

Wed 1/10

5:00 a.m.-4:04 p.m.

2 stops19h 04m

C$ 873

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 16/1

4:40 p.m.-10:00 p.m.

2 stops21h 20m

Lisbon Humberto Delgado

Mon 19/1

4:55 p.m.-9:54 p.m.

2 stops36h 59m

C$ 874

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Thu 6/11

10:35 a.m.-11:20 a.m.

2 stops16h 45m

Lisbon Humberto Delgado

Tue 11/11

5:30 a.m.-3:57 p.m.

2 stops18h 27m

C$ 874

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Thu 9/10

12:35 p.m.-5:50 p.m.

2 stops21h 15m

Lisbon Humberto Delgado

Wed 19/11

5:30 a.m.-8:36 p.m.

2 stops23h 06m

C$ 880

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Mon 13/10

7:20 p.m.-10:05 a.m.

1 stop30h 45m

Lisbon Humberto Delgado

Sat 25/10

4:25 p.m.-4:00 p.m.

1 stop31h 35m

C$ 884

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 23 results
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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 29 August 2025.

To ensure you get the cheapest price possible for a flight from San Francisco to Lisbon, you should look to book at least 89 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$ 482). Flying from San Francisco to Lisbon in July is currently the most expensive (average of C$ 779). 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 11 September 2025.

It’s optimal to fly from San Francisco to Lisbon at noon. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight in the morning.

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?

    Within the past month, 7 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 17h 45m. 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 (88%), JetBlue (77%) or TAP AIR PORTUGAL (77%) 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$ 482). Flying from San Francisco to Lisbon in July is currently the most expensive (average of C$ 779). 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
Costa da Caparica
Óbidos
Setúbal

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Why should you use Cheapflights to find cheap flight tickets from San Francisco to Lisbon?

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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