Title: CA $650 Cheap Flights from Lisbon (LIS) to San Francisco (SFO) - Expedia.ca ![Sunset view of the Golden Gate Bridge and fog from Battery Spencer, Golden Gate National Recreation Area, in San Francisco, California.](https://images.trvl-media.com/place/508803/0ac688ba-e7fa-4fb1-9f85-037d98869bf8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # CA $650 Cheap Flights from Lisbon (LIS) to San Francisco (SFO) [View CA $650 flight on Wed, Feb 11, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:LIS,to:SFO,departure:11/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:649.60&airProductToken=AQqeAQoyCMmEARIDNTQwGIuSASCMGCiG7YQDMNvthAM4T0AAWAFqBU5PQkFHcglPTE41QzVCV1AKMwjCggESBDE1MTMYjBggo7EBKLzvhAMw0PSEAzhPQAFYAWoFTk9CQUdyCU9MTjVDNUJXUAozCMKCARIEMjQ5MxijsQEgsnEog_aEAzDw94QDOE9AAVgBagVOT0JBR3IJT0xONUM1QldQEgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Humberto Delgado Airport (LIS) to San Francisco International Airport (SFO) - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.ca/Flights-Search?leg1=from:lis,to:sfo,departure:20/10/2025TANYT&leg2=from:sfo,to:lis,departure:27/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![Lufthansa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.ca/Flights-Search?leg1=from:lis,to:sfo,departure:20/10/2025TANYT&leg2=from:sfo,to:lis,departure:27/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![Swiss International Air Lines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg) Swiss International Air Lines [](https://www.expedia.ca/Flights-Search?leg1=from:lis,to:sfo,departure:20/10/2025TANYT&leg2=from:sfo,to:lis,departure:27/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:lis,to:sfo,departure:20/10/2025TANYT&leg2=from:sfo,to:lis,departure:27/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![TAP Portugal](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TP.svg) TAP Portugal [](https://www.expedia.ca/Flights-Search?leg1=from:lis,to:sfo,departure:20/10/2025TANYT&leg2=from:sfo,to:lis,departure:27/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TP"}}]) - ![Turkish Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TK.svg) Turkish Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:lis,to:sfo,departure:20/10/2025TANYT&leg2=from:sfo,to:lis,departure:27/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TK"}}]) - ![Brussels Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_SN.svg) Brussels Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:lis,to:sfo,departure:20/10/2025TANYT&leg2=from:sfo,to:lis,departure:27/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SN"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Cheap flights from Lisbon (LIS) to San Francisco (SFO) Prices were available within the past 7 days and start at CA $650 for one-way flights and CA $898 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Thu, Apr 16 - Thu, Apr 23 LIS Lisbon SFO San Francisco CA $898 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LIS,to:SFO,departure:16/04/2026TANYT&leg2=from:SFO,to:LIS,departure:23/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:897.50&airProductToken=AQpnCjIIwoIBEgQxNTc3GIuSASDvWSjdvooDMJ_CigM4T0AAWAFqBU5PQkFHcghPTE43VDhCVwoxCMKCARIENTQ0MBjvWSCycSiXw4oDMI7GigM4T0ABWAFqBU5PQkFHcghPTE43VDhCVwpnCjEIwoIBEgMyODQYsnEg64kBKOeTiwMw2JiLAzhPQABYAWoFTk9CQUdyCE9MTjdUOEJXCjIIwoIBEgM1MDgY64kBIIuSASiDnYsDMKieiwM4T0ABWAFqBU5PQkFHcghPTE43VDhCVxIKCAEQARgBKgJCQRgBIgQIARABKAIoAzAN) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Thu, Apr 16 - Thu, Apr 23 LIS Lisbon SFO San Francisco CA $905 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LIS,to:SFO,departure:16/04/2026TANYT&leg2=from:SFO,to:LIS,departure:23/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:904.80&airProductToken=AQpnCjIIwoIBEgM1MDcYi5IBIOuJASikwooDMMnDigM4T0AAWAFqBU5PQkFHcghPTE43VDhCVwoxCMKCARIDMjg1GOuJASCycSjpyYoDMILPigM4T0ABWAFqBU5PQkFHcghPTE43VDhCVwpnCjEIwoIBEgMyODQYsnEg64kBKOeTiwMw2JiLAzhPQABYAWoFTk9CQUdyCE9MTjdUOEJXCjIIwoIBEgM1MDYY64kBIIuSASjhmosDMIaciwM4T0ABWAFqBU5PQkFHcghPTE43VDhCVxIKCAEQARgBKgJCQRgBIgQIARABKAIoAzAN) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Thu, Apr 16 - Thu, Apr 23 LIS Lisbon SFO San Francisco CA $920 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LIS,to:SFO,departure:16/04/2026TANYT&leg2=from:SFO,to:LIS,departure:23/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:919.90&airProductToken=AQqaAQoyCMKCARIENDI2MBiLkgEgjBgosr-KAzCHwIoDOFFAAFgBagVOT0JBR3IIUUxON1Q4QlcKMQjCggESBDQyNjkYjBggqVEo3MCKAzDQxIoDOFFAAVgBagVOT0JBR3IIUUxON1Q4QlcKMQjCggESBDQ3MTYYqVEgsnEovcWKAzDSyIoDOFFAAVgBagVOT0JBR3IIUUxON1Q4QlcKZwoxCMKCARIDMjg0GLJxIOuJASjnk4sDMNiYiwM4T0AAWAFqBU5PQkFHcghPTE43VDhCVwoyCMKCARIDNTA2GOuJASCLkgEo4ZqLAzCGnIsDOE9AAVgBagVOT0JBR3IIT0xON1Q4QlcSCggBEAEYASoCQkEYASIECAEQASgCKAMwDQ) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Wed, Apr 15 - Wed, Apr 22 LIS Lisbon SFO San Francisco CA $1,019 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LIS,to:SFO,departure:15/04/2026TANYT&leg2=from:SFO,to:LIS,departure:22/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1018.38&airProductToken=AQptCjUIzJABEgQxMTcxGIuSASClBCjVsIoDMI6yigM4S0AAWAFqCEVDT0xJR0hUcghLTFE2RFhCUQo0CMyQARIEOTQxMBilBCCycSiXtIoDMMm5igM4S0ABWAFqCEVDT0xJR0hUcghLTFE2RFhCUQprCjIIzLABEgIzORiycSC5PCiAiosDMJ6PiwM4S0AAWAFqCEVDT0xJR0hUcghLTFE2RFhCUQo1CMywARIEMjA4Mhi5PCCLkgEo7ZGLAzCck4sDOEtAAVgBaghFQ09MSUdIVHIIS0xRNkRYQlESCggCEAEYAioCTEgYASIECAEQASgCKAMoBDAL) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Wed, Apr 15 - Wed, Apr 22 LIS Lisbon SFO San Francisco CA $1,024 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LIS,to:SFO,departure:15/04/2026TANYT&leg2=from:SFO,to:LIS,departure:22/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1023.48&airProductToken=AQptCjUIzJABEgQxMTcxGIuSASClBCjVsIoDMI6yigM4S0AAWAFqCEVDT0xJR0hUcghLTFE2RFhCUQo0CMyQARIEOTQxMBilBCCycSiXtIoDMMm5igM4S0ABWAFqCEVDT0xJR0hUcghLTFE2RFhCUQpsCjMIzJABEgM0NTkYsnEgjBUo1YqLAzDuj4sDOEtAAFgBaghFQ09MSUdIVHIIS0xRNkRYQlEKNQjMkAESBDE3ODAYjBUgi5IBKPqQiwMwwpKLAzhLQAFYAWoIRUNPTElHSFRyCEtMUTZEWEJREgoIAhABGAIqAkxIGAEiBAgBEAEoAigDKAQwCw) ![Swiss International Air Lines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif) Wed, Apr 15 - Wed, Apr 22 LIS Lisbon SFO San Francisco CA $1,032 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LIS,to:SFO,departure:15/04/2026TANYT&leg2=from:SFO,to:LIS,departure:22/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1031.48&airProductToken=AQprCjUIzLABEgQyMDgzGIuSASC5PCiHsYoDMLuyigM4S0AAWAFqCEVDT0xJR0hUcghLTFE2RFhCUQoyCMywARICMzgYuTwgsnEo_rOKAzDOuYoDOEtAAVgBaghFQ09MSUdIVHIIS0xRNkRYQlEKawoyCMywARICMzkYsnEguTwogIqLAzCej4sDOEtAAFgBaghFQ09MSUdIVHIIS0xRNkRYQlEKNQjMsAESBDIwODIYuTwgi5IBKO2RiwMwnJOLAzhLQAFYAWoIRUNPTElHSFRyCEtMUTZEWEJREgoIAhABGAIqAkxYGAEiBAgBEAEoAigDKAQwCw) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Wed, Apr 15 - Wed, Apr 22 LIS Lisbon SFO San Francisco CA $1,052 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LIS,to:SFO,departure:15/04/2026TANYT&leg2=from:SFO,to:LIS,departure:22/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1051.48&airProductToken=AQplCjEIwYYBEgM4MTMYi5IBIJhdKNGzigMwk7eKAzhLQABYAWoFQkFTSUNyCEtMUTZEWEJRCjAIwYYBEgM3NjEYmF0gsnEo_riKAzD_u4oDOEtAAVgBagVCQVNJQ3IIS0xRNkRYQlEKZQowCMGGARIDNzYwGLJxIJhdKM6EiwMwooeLAzhLQABYAWoFQkFTSUNyCEtMUTZEWEJRCjEIwYYBEgM4MTIYmF0gi5IBKL-JiwMw1IyLAzhLQAFYAWoFQkFTSUNyCEtMUTZEWEJREgoIAhABGAIqAkFDGAEiBAgBEAEoAigDKAQwDQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Fri, Nov 14 - Fri, Nov 28 LIS Lisbon SFO San Francisco CA $1,095 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LIS,to:SFO,departure:14/11/2025TANYT&leg2=from:SFO,to:LIS,departure:28/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1094.37&airProductToken=AQqcAQoyCMGCARIEODU1OBiLkgEgjBgovYr9AjCSi_0COE9AAFgBagVCQVNJQ3IIT0xON0M4QlcKMgjBggESBDg2MzIYjBggo7EBKPuL_QIwspH9AjhPQAFYAWoFQkFTSUNyCE9MTjdDOEJXCjIIwYIBEgQxOTQ5GKOxASCycSiokv0CMJaU_QI4QkABWAFqBUJBU0lDcghPTE43QzhCVwqbAQoyCMGCARIEMjIxMRiycSCLuAEosKX-AjCNpv4COEJAAFgBagVCQVNJQ3IIT0xON0M4QjQKMgjBggESBDE2MTIYi7gBIO9ZKNOm_gIw9Kj-AjhCQAFYAWoFQkFTSUNyCE9MTjdDOEI0CjEIwYIBEgMyNTgY71kgi5IBKLiq_gIw0q3-AjhCQAFYAWoFQkFTSUNyCE9MTjdDOEI0EgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Fri, Nov 14 - Fri, Nov 28 LIS Lisbon SFO San Francisco CA $1,099 Roundtrip found 2 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LIS,to:SFO,departure:14/11/2025TANYT&leg2=from:SFO,to:LIS,departure:28/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1098.97&airProductToken=AQpvCjYIxJgBEgQ4NDM5GIuSASDiMCiqg_0CMMqE_QI4RUAAWAFqCU1BSU5CQVNJQ3IIWFlMNlRCTEEKNQjEmAESBDg3MjYY4jAgsnEon4X9AjDliv0COEVAAVgBaglNQUlOQkFTSUNyCFhZTDZUQkxBCm8KNQjEmAESBDg3MTcYsnEg4jAorKn-AjC7rv4COEVAAFgBaglNQUlOQkFTSUNyCFhZTDZUQkxBCjYIxJgBEgQ4Mjk2GOIwIIuSASiur_4CMM6w_gI4RUABWAFqCU1BSU5CQVNJQ3IIWFlMNlRCTEESCggBEAEYASoCREwYASIECAEQASgCKAMoBDAB) ![Brussels Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SN.gif) Wed, Apr 15 - Wed, Apr 22 LIS Lisbon SFO San Francisco CA $1,107 Roundtrip found 4 days ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:LIS,to:SFO,departure:15/04/2026TANYT&leg2=from:SFO,to:LIS,departure:22/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1106.38&airProductToken=AQpvCjYI05wBEgQ5MDI2GIuSASDEjQEolbOKAzDmtooDOEtAAFgBaghFQ09MSUdIVHIIS0xRNkRYQlEKNQjTnAESBDg5MTEYxI0BILJxKMW3igMwyLqKAzhLQAFYAWoIRUNPTElHSFRyCEtMUTZEWEJRCqQBCjQI05wBEgQ4OTQ5GLJxIIgYKN2EiwMwiYeLAzhMQABYAWoIRUNPTElHSFRyCExMUTZEWEJRCjQI05wBEgM1MTYYiBggoaQBKM-HiwMwpYuLAzhMQAFYAWoIRUNPTElHSFRyCExMUTZEWEJRCjYI05wBEgQzODE1GKGkASCLkgEok4yLAzDCjYsDOExAAVgBaghFQ09MSUdIVHIITExRNkRYQlESCggCEAEYAioCU04YASIECAEQASgCKAMoBDAL) ## Find the cheapest month to fly from Lisbon (LIS) to San Francisco (SFO) ### February is typically the cheapest month to fly From CA $784 - CA $1,278 per traveller. Flight from Lisbon to San Francisco (LIS - SFO) route information | Origin airport | Humberto Delgado | | --- | --- | | Destination airport | San Francisco Intl. | | Roundtrip price | CA $898 | | Distance | 9070 km | | Average flight time | 12 hours 35 mins | ## Lisbon District to San Francisco Flights **The easy way to book your flights from Lisbon to San Francisco**  With Expedia, it’s simple to find and book flights to San Francisco from Lisbon whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are JetBlue, TAP Air Portugal nonstop flights to San Francisco Intl., too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Lisbon to San Francisco today, tomorrow, or this week.   **Save dollars with cheap flights from Humberto Delgado, LIS to San Francisco Intl., SFO**  Sort your search results by price to find great deals on your flight from Lisbon to San Francisco—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to San Francisco from Lisbon currently is just CA $898 rising to CA $1,317.   Here are more money-saving tips:  - Fly in April when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to San Francisco   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to San Francisco from Lisbon**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to San Francisco with Expedia today. ## Frequently asked questions ### How much is a flight from Lisbon Airport to San Francisco Airport? > The lowest price advertised for a round-trip journey between LIS and San Francisco Intl. Airport (SFO) is CA $898. But you better act quick. This price is taken from fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Lisbon Airport to San Francisco Airport? > Most flights can be conveniently cancelled online, but whether or not you incur a fee varies between airlines. If you do need to cancel your break, follow the instructions in the [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from Lisbon/Portela Airport to SFO that have flexible change policies? > Flights from Lisbon Airport to San Francisco Intl. Airport (SFO) offering flexible change policies are available from several carriers. Simply use our "No change fees" filter during your search. You'll only need to cover the difference in ticket price, with no extra fees to worry about. ### How many hours is the flight from Lisbon Airport to San Francisco Airport? > From LIS to San Francisco Airport, you'll be airborne for around 16 hours and 8 minutes. If you've been looking forward to finishing that long novel, now's the best time to do it. ### How far is the flight from Humberto Delgado Airport (LIS) to San Francisco Airport? > With a flight distance of 9,100 kilometres between Lisbon Airport and SFO, this is a long-haul flight. Ensure that you drink plenty of water and get up to stretch your legs from time to time. ### Which airlines fly direct from LIS to San Francisco Intl. Airport (SFO)? > Flying directly from LIS to SFO is easy with TAP Air Portugal (TP). This leading carrier offers 13 flights each month. ### Are Lisbon/Portela Airport to SFO flight tickets cheaper when they're purchased at the last minute? > It is possible to nab a great last-minute deal from LIS to San Francisco Intl. Airport (SFO), but it's also possible to miss out entirely! As many airlines release seats up to a year in advance, it's worth keeping an eye on fares early and being ready to book when you see a bargain. 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