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Cheap flights from San Francisco to Lisbon from C$ 501

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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LIS
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

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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 28 October 2025.

Thu 27/1112:25 p.m.SFO - LIS
2 stops21h 05mDelta
Sat 6/125:30 a.m.LIS - SFO
1 stop15h 55mDelta
Deal found 27/10C$ 762
Fri 14/117:00 a.m.SFO - LIS
1 stop17h 00mDelta
Fri 21/115:30 a.m.LIS - SFO
1 stop15h 55mDelta
Deal found 27/10C$ 764
Fri 28/118:35 a.m.SFO - LIS
1 stop15h 35mUnited Airlines
Fri 1/56:15 a.m.LIS - SFO
1 stop20h 45mUnited Airlines
Deal found 28/10C$ 765
Mon 15/127:00 a.m.SFO - LIS
2 stops19h 15mUnited Airlines
Tue 23/1211:20 a.m.LIS - SFO
2 stops28h 08mUnited Airlines
Deal found 27/10C$ 768
Tue 11/113:35 p.m.SFO - LIS
2 stops17h 55mDelta
Sun 7/125:30 a.m.LIS - SFO
1 stop15h 55mDelta
Deal found 28/10C$ 769
Fri 14/115:00 a.m.SFO - LIS
2 stops19h 10mUnited Airlines
Thu 20/115:00 a.m.LIS - SFO
2 stops19h 54mUnited Airlines
Deal found 28/10C$ 771
Thu 27/117:05 a.m.SFO - LIS
2 stops20h 15mDelta
Wed 29/45:00 a.m.LIS - SFO
1 stop14h 45mDelta
Deal found 28/10C$ 772
Thu 11/126:30 a.m.SFO - LIS
1 stop18h 35mMultiple Airlines
Sat 20/1210:40 a.m.LIS - SFO
1 stop17h 56mMultiple Airlines
Deal found 28/10C$ 776
Tue 4/113:40 p.m.SFO - LIS
1 stop17h 50mDelta
Sat 15/115:30 a.m.LIS - SFO
2 stops20h 24mDelta
Deal found 28/10C$ 778
Sat 15/119:15 p.m.SFO - LIS
1 stop27h 40mDelta
Sat 6/125:30 a.m.LIS - SFO
1 stop15h 55mDelta
Deal found 27/10C$ 779

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 28 October 2025.

Round-trip from

C$ 761

One-way from

C$ 490

Popular in

June

Cheapest in

February

Average price

C$ 1,043

Good one-way deal

C$ 383 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 11/1-16/1
  • 4 total stops
  • 62h 18m total
  • San Francisco to Lisbon
Search Deals
25/11
  • 25/11
  • 1 total stop
  • 21h 50m total
  • San Francisco to Lisbon
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 290 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Price to beat on a one-way flight from San Francisco to Lisbon Humberto Delgado.
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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 28 October 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

Thu 11/12

6:30 a.m.-9:05 a.m.

1 stop18h 35m

Lisbon Humberto Delgado

Sat 20/12

10:40 a.m.-8:36 p.m.

1 stop17h 56m

C$ 776

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Tue 21/4

5:15 a.m.-9:20 a.m.

2 stops20h 05m

Lisbon Humberto Delgado

Thu 7/5

5:05 a.m.-8:00 p.m.

1 stop22h 55m

C$ 778

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Mon 20/4

6:35 a.m.-9:20 a.m.

2 stops18h 45m

Lisbon Humberto Delgado

Tue 28/4

5:05 a.m.-8:00 p.m.

1 stop22h 55m

C$ 778

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sun 23/11

9:48 p.m.-8:00 a.m.

1 stop26h 12m

Lisbon Humberto Delgado

Sat 6/12

11:15 a.m.-8:31 p.m.

1 stop17h 16m

C$ 790

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Wed 1/4

7:00 a.m.-8:50 a.m.

2 stops17h 50m

Lisbon Humberto Delgado

Wed 8/4

11:40 a.m.-12:26 a.m.

2 stops20h 46m

C$ 803

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Tue 31/3

6:45 a.m.-8:50 a.m.

2 stops18h 05m

Lisbon Humberto Delgado

Wed 8/4

9:50 a.m.-12:26 a.m.

2 stops22h 36m

C$ 811

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Mon 19/1

1:00 p.m.-9:30 p.m.

2 stops24h 30m

Lisbon Humberto Delgado

Fri 23/1

7:10 p.m.-10:12 p.m.

2 stops35h 02m

C$ 859

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 12/12

5:00 a.m.-10:15 a.m.

2 stops21h 15m

Lisbon Humberto Delgado

Fri 19/12

5:00 a.m.-7:42 p.m.

2 stops22h 42m

C$ 859

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sun 9/11

12:43 a.m.-10:15 a.m.

2 stops25h 32m

Lisbon Humberto Delgado

Wed 26/11

5:00 a.m.-12:40 p.m.

1 stop15h 40m

C$ 919

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sat 18/4

4:35 p.m.-6:05 p.m.

1 stop17h 30m

Lisbon Humberto Delgado

Sun 3/5

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

1 stop27h 00m

C$ 983

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/10

Showing 1-10 of 20 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 24 October 2025.

To ensure you get the cheapest price possible for a flight from San Francisco to Lisbon, you should look to book at least 59 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, November is the cheapest month in which you can book a flight from San Francisco to Lisbon (average of C$ 713). Flying from San Francisco to Lisbon in June is currently the most expensive (average of C$ 1,095). 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 28 October 2025.

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.

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, 3 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 20h 05m. 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 (92%), JetBlue (84%) or TAP AIR PORTUGAL (84%) 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$ 348. On average you can expect to pay C$ 383. The most popular route, (San Francisco - Lisbon Humberto Delgado), can usually be booked for C$ 929.

  • 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 C$ 713). Flying from San Francisco to Lisbon in June is currently the most expensive (average of C$ 1,095). 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
Fátima
Óbidos
Setúbal

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Cheapflights makes it easy to find San Francisco to Lisbon flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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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