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Cheap flights from San Francisco to Lisbon from C$ 626

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 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LIS
20 Apr — 27 Apr1
1 adult

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 15 April 2025.

Round-trip from

C$ 798

One-way from

C$ 626

Popular in

June

Cheapest in

February

Average price

C$ 1,119
KLM
  • KLM
  • 1/10-10/10
  • 2 total stops
  • 34h 49m total
  • San Francisco to Lisbon
SWISS
  • SWISS
  • 21/7
  • 1 total stop
  • 35h 15m total
  • San Francisco to Lisbon
Highest demand for flights based on searches. 16% potential increase in price (C$ 340 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease (C$ 55 potential savings vs. average RT price).
Average for round-trip flights in April 2025

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 15 April 2025.

Wed 22/107:00 a.m.SFO - LIS
1 stop19h 45mDelta
Wed 29/1011:15 a.m.LIS - SFO
1 stop19h 43mDelta
Deal found 15/4C$ 737
Wed 1/103:05 p.m.SFO - LIS
1 stop15h 45mMultiple Airlines
Fri 10/1010:00 a.m.LIS - SFO
1 stop19h 04mMultiple Airlines
Deal found 15/4C$ 798
Wed 1/104:35 p.m.SFO - LIS
1 stop15h 05mBritish Airways
Fri 10/107:20 a.m.LIS - SFO
2 stops19h 47mBritish Airways
Deal found 15/4C$ 818
Wed 1/107:25 a.m.SFO - LIS
2 stops17h 55mUnited Airlines
Fri 10/1012:50 p.m.LIS - SFO
2 stops34h 22mUnited Airlines
Deal found 15/4C$ 872
Wed 6/86:15 a.m.SFO - LIS
2 stops20h 30mAir France
Mon 18/86:50 p.m.LIS - SFO
2 stops28h 20mAir France
Deal found 15/4C$ 879
Wed 6/87:30 p.m.SFO - LIS
1 stop35h 15mSWISS
Mon 18/82:30 p.m.LIS - SFO
2 stops33h 40mSWISS
Deal found 15/4C$ 919
Mon 13/109:05 p.m.SFO - LIS
2 stops30h 05mBrussels Airlines
Mon 20/107:55 p.m.LIS - SFO
2 stops24h 45mBrussels Airlines
Deal found 14/4C$ 937
Tue 15/49:39 a.m.SFO - LIS
1 stop14h 21mKLM
Fri 25/410:00 a.m.LIS - SFO
1 stop16h 43mKLM
Deal found 15/4C$ 989
Wed 16/46:10 a.m.SFO - LIS
2 stops17h 50mVirgin Atlantic
Wed 23/412:45 p.m.LIS - SFO
2 stops18h 51mVirgin Atlantic
Deal found 15/4C$ 1,001
Fri 21/114:40 p.m.SFO - LIS
2 stops21h 30mScandinavian Airlines
Sun 30/114:55 p.m.LIS - SFO
1 stop29h 40mScandinavian Airlines
Deal found 15/4C$ 1,028
Mon 30/64:31 p.m.SFO - LIS
2 stops21h 34mLufthansa
Fri 11/75:05 a.m.LIS - SFO
1 stop15h 35mLufthansa
Deal found 15/4C$ 1,143

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 15 April 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

Wed 1/10

3:05 p.m.-2:50 p.m.

1 stop15h 45m

Lisbon Humberto Delgado

Fri 10/10

10:00 a.m.-9:04 p.m.

1 stop19h 04m

C$ 798

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Tue 13/5

1:45 p.m.-5:50 p.m.

2 stops20h 05m

Lisbon Humberto Delgado

Fri 23/5

5:40 a.m.-6:15 p.m.

1 stop20h 35m

C$ 812

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Wed 1/10

4:35 p.m.-3:40 p.m.

1 stop15h 05m

Lisbon Humberto Delgado

Fri 10/10

7:20 a.m.-7:07 p.m.

2 stops19h 47m

C$ 818

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Wed 1/10

7:25 a.m.-9:20 a.m.

2 stops17h 55m

Lisbon Humberto Delgado

Fri 10/10

12:50 p.m.-3:12 p.m.

2 stops34h 22m

C$ 872

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Wed 6/8

6:15 a.m.-10:45 a.m.

2 stops20h 30m

Lisbon Humberto Delgado

Mon 18/8

6:50 p.m.-3:10 p.m.

2 stops28h 20m

C$ 879

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Wed 6/8

7:30 p.m.-2:45 p.m.

1 stop35h 15m

Lisbon Humberto Delgado

Mon 18/8

2:30 p.m.-4:10 p.m.

2 stops33h 40m

C$ 919

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Wed 4/6

9:25 a.m.-8:00 a.m.

1 stop14h 35m

Lisbon Humberto Delgado

Thu 28/8

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

1 stop14h 45m

C$ 1,007

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 25/4

10:30 p.m.-8:00 a.m.

1 stop25h 30m

Lisbon Humberto Delgado

Thu 8/5

12:45 p.m.-10:38 p.m.

2 stops17h 53m

C$ 1,067

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 16/5

4:20 p.m.-8:40 p.m.

2 stops20h 20m

Lisbon Humberto Delgado

Fri 23/5

7:05 a.m.-4:30 p.m.

1 stop17h 25m

C$ 1,082

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Mon 30/6

4:31 p.m.-10:05 p.m.

2 stops21h 34m

Lisbon Humberto Delgado

Fri 11/7

5:05 a.m.-12:40 p.m.

1 stop15h 35m

C$ 1,143

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/4

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 11 April 2025.

To ensure you get the cheapest price possible for a flight from San Francisco to Lisbon, you should look to book at least 84 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$ 795). 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 15 April 2025.

It’s optimal to fly from San Francisco to Lisbon at noon. By choosing this option you can save up to 47% on the cost of your flight, compared to a flight in the afternoon.

Rainfall in Lisbon by month

Plan your trip to Lisbon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lisbon ranges from 6.0 - 122.0 mm per month. December is typically the wettest month, when rainfall can reach 122.0 mm. July is typically the driest time to visit Lisbon when rainfall is around 6.0 mm.

Temperature in Lisbon by month

Plan your trip to Lisbon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lisbon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lisbon. Reviews last updated 15 April 2025.
Read reviews from past customers who have flown Delta, KLM and Austrian Airlines from San Francisco to Lisbon. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

  • What are the cheapest airlines flying from San Francisco to Lisbon round-trip?

    Flying on Delta is currently your cheapest option to Lisbon, with prices starting at C$ 812. Additional round-trip tickets that might be worth considering are offered by British Airways and United Airlines, with the lowest prices starting at C$ 818 and C$ 872, respectively. Delta is currently priced 33% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from San Francisco to Lisbon one-way?

    One-way options have recently been found by users for as low as C$ 626 on SWISS. Other airlines that offer cheap prices include United Airlines from C$ 645 and Austrian Airlines from C$ 690 one-way.

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

    Consider TAP AIR PORTUGAL (73%), Etihad Airways (72%) or JetBlue (67%) 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$ 795). 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 San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Sintra
Costa da Caparica
Óbidos
Beja

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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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