Question 1

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Question 2

What is the most punctual flight time for San Francisco to Lisbon flights?

Accepted Answer

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Question 3

What is the cheapest airline that flies from San Francisco to Lisbon Humberto Delgado?

Accepted Answer

Aer Lingus, British Airways, and Lufthansa are the most popular carriers operating from San Francisco to Lisbon Humberto Delgado

Question 4

How far in advance should I book a flight to Lisbon?

Accepted Answer

You are more likely to see cheaper flights to Lisbon from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $819 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from San Francisco for as low as $766 on momondo.

Question 5

What is the cheapest day to depart on your flight to Lisbon?

Accepted Answer

Our data shows that Wednesday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $686. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to Lisbon for around $865.

Question 6

Which layover airport has the shortest connection time from San Francisco to Lisbon?

Accepted Answer

Philadelphia (PHL) has the shortest average layover time for this route: 1h 15m.

Question 7

What is the cheapest month to fly to Lisbon?

Accepted Answer

In general, January is the cheapest month to fly from San Francisco to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $651. If you are unable to visit Lisbon during the month of January, then departing from San Francisco during the month February is also very affordable. Most momondo users find prices during this month for around $661.

Question 8

Which airport is the most popular layover for flights between San Francisco and Lisbon?

Accepted Answer

Toronto (YYZ) was the most common stop: 23% of momondo users choosing 1-stop flights on this route connected there.

Question 9

Which layover airport offers the lowest fares from San Francisco to Lisbon?

Accepted Answer

Flights via Amsterdam (AMS) offer the lowest average round-trip price of $618.

Question 10

What is the cheapest time of day to depart on your flight to Lisbon?

Accepted Answer

The cheapest time of day to fly to Lisbon is in the afternoon when flights can be purchased for as low as $745. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $860 on average. Flights to Lisbon from San Francisco in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

Question 11

Can stopping save me money on San Francisco to Lisbon flights?

Accepted Answer

You could potentially save up to 17% on your flight if you consider stops on a San Francisco to Lisbon flight.

Question 12

Which airline has the best punctuality record on San Francisco to Lisbon flights?

Accepted Answer

According to our data, TAP AIR PORTUGAL have had the least number of delays on this route over the last 12 months; with about 24% of their flights experiencing any sort of delay.

Question 13

How have San Francisco to Lisbon flight prices changed over time?

Accepted Answer

As of December 2025, prices for San Francisco to Lisbon flights are approximately 33% more expensive when compared to flights at the same time last year.

Question 14

What airlines fly to Lisbon?

Accepted Answer

TAP AIR PORTUGAL, United Airlines and Air Canada are the top three most popular airlines that fly to Lisbon from San Francisco according to our data. TAP AIR PORTUGAL is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Lisbon. Keep in mind that there are 17 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

Question 15

What is the cheapest San Francisco to Lisbon Humberto Delgado flight route?

Accepted Answer

Fly from San Francisco to Lisbon Humberto Delgado for the best San Francisco - Lisbon Humberto Delgado flight prices

Question 16

How many flights depart from San Francisco to Lisbon on average per week?

Accepted Answer

As of December 2025, 12 flights take off from San Francisco and land in Lisbon each week. The most common flight departure day for this route is Mon, with 25% of weekly flights taking off on this day.

Question 17

Which layover airport has the shortest travel time from San Francisco to Lisbon?

Accepted Answer

Flights connecting via Philadelphia (PHL) have the shortest average one-way travel time: 13h 20m.

Question 18

What cabin class options are available on San Francisco to Lisbon Humberto Delgado flights?

Accepted Answer

There are 3 cabin classes available to choose from on San Francisco to Lisbon Humberto Delgado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 19

How often are flights from San Francisco to Lisbon delayed?

Accepted Answer

Historically, on average around 24% of flights between San Francisco and Lisbon have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

Question 20

How many flights depart from San Francisco to Lisbon on average per day?

Accepted Answer

1 flights are operational daily from San Francisco to Lisbon as of December 2025. The most popular departure time for this route is 4:00PM, with 66% of flights per day taking off in the afternoon.

Question 21

Which airlines fly direct from San Francisco to Lisbon?

Accepted Answer

Flights to Lisbon depart at San Francisco International Airport (SFO), San Jose International Airport (SJC), and Oakland International Airport (OAK), and land at Lisbon Humberto Delgado Airport Airport (LIS). Faro Airport (FAO), 175 miles away, and Francisco de Sá Carneiro Airport (OPO), 200 miles away, are not considered alternatives to LIS since they're a bit far from Lisbon. On your way to Lisbon, you'll have a stopover or two as none of the airlines that fly to this city from San Francisco offers direct flights. Since these airlines stop over at different destinations, your layover destination(s) will be influenced by the airline you settle on. Some of the notable layover airports on this route include Brussels (BRU), Calgary (YYC), Toronto (YYZ), Copenhagen (CPH), Munich (MUC), Rome (FCO), Madrid (MAD), and Stockholm (ARN).

What is the best way to get in and out of airports in San Francisco and Lisbon?

The most suitable way to get to your San Francisco airport will depend on your departure airport. In case you’re set to depart at San Francisco International Airport (SFO) or Oakland International Airport (OAK), you should catch a BART subway, given that these trains are cheap and fast. On the other hand, if you’re set to board at San Jose International Airport (SJC), you should catch a taxi since all the other modes involve time-consuming transfers. If traveling via public options isn’t suitable for you, you can travel to your preferred airport using your car since SFO, OAK, and SJC feature long-term, short-term, and economy parking lots where you can leave it till your return. In Lisbon, the best way of traveling from your airport will also be determined by the airport you land at. If you land at Humberto Delgado Airport (LIS), take an Aeroporto-Saldanha subway. Aboard one, you'll take roughly 20 minutes to get to downtown Lisbon.

What are the benefits of the different airports in San Francisco and Lisbon?

San Francisco International Airport (SFO), San Jose International Airport (SJC), and Oakland International Airport (OAK) feature top-notch amenities. At any, you’ll have access to lounges, children’s play areas, information desks, currency exchange offices, disabled-friendly staff, as well as disabled-friendly amenities, including wheelchairs and handicapped toilets. Apart from being the nearest airport to San Francisco, SFO serves a majority of the cheap flights that serve this route. Hence, the benefit of boarding at this airport is that you’ll save money. OAK and SJC feature shorter queues than SFO since they serve lesser passengers. As a result, you’ll find checking in and boarding at either less hectic than at SFO. Like the San Francisco airports, Lisbon Humberto Delgado Airport (LIS) features excellent amenities. At this airport, you can rest at Airport Business Center or ANA Lounge, located in Terminal 1 or take advantage of the private changing rooms near Gates 41 and 44 in the International Area in case you have traveled with an infant. You can also get the help you need planning your trip, given that it boasts travel agencies that can assist you on the landside of Terminal 1.

Which cities can you get to from Humberto Delgado International Airport?

There are several cities you can get to from Humberto Delgado International Airport (LIS) other than Lisbon, notably Estoril, Oeiras, Pontinha e Famõoes, Alges, Loures, Mafra, Odivelas, Alenquer, Amadora, Cascais, Sintra, Paçco de Arcos, and Torres Vedras. Although a majority of these destinations are served by trains, available at the airport’s nearest station, Gare do Oriente, traveling to them via a rental car, available at the airport's Terminal 1, is recommended. The car rentals operators you can hire from at this airport include Avis, Budget, Europcar, Goldcar, Guerin/Enterprise, Hertz and Sixt.

Question 22

When did momondo last update prices for flights from San Francisco Airport to Lisbon Humberto Delgado Airport?

Accepted Answer

Prices for flights from San Francisco Airport to Lisbon Humberto Delgado Airport refresh daily.

Question 23

How many operators does momondo search for flights from San Francisco Airport to Lisbon Humberto Delgado Airport?

Accepted Answer

There are 17 operators available for flights from San Francisco Airport to Lisbon Humberto Delgado Airport as of December 2025.

Question 24

How old do you have to be to fly from San Francisco Airport to Lisbon Humberto Delgado Airport?

Accepted Answer

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Lisbon Humberto Delgado Airport.

Question 25

What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

Accepted Answer

The necessary travel and health documents for your Lisbon Humberto Delgado Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best Price Found	$351
Fastest flight time	10h 55m
Direct flights	Tue, Wed, Thu, Fri, Sat and Sun
Airports in Lisbon	1 airport

Airline	Rating	Free Cancellation	Price
LEVEL	PriceFrom $351	Free Cancellation	Rating 0.0	Search LEVEL flights
Iberia	PriceFrom $363	Free Cancellation	Rating 7.0 3,058 reviews	Search Iberia flights
Scandinavian Airlines	PriceFrom $409	Free Cancellation	Rating 7.4 1,633 reviews	Search Scandinavian Airlines flights
KLM	PriceFrom $489	Free Cancellation	Rating 7.7 1,435 reviews	Search KLM flights
Air France	PriceFrom $495	Free Cancellation	Rating 7.4 1,515 reviews	Search Air France flights
Lufthansa	PriceFrom $497	Free Cancellation	Rating 6.8 7,665 reviews	Search Lufthansa flights
United Airlines	PriceFrom $514	Free Cancellation	Rating 7.4 9,123 reviews	Search United Airlines flights
British Airways	PriceFrom $514	Free Cancellation	Rating 6.7 7,626 reviews	Search British Airways flights
SWISS	PriceFrom $528	Free Cancellation	Rating 7.5 1,830 reviews	Search SWISS flights
Vueling	PriceFrom $532	Free Cancellation	Rating 7.1 1,220 reviews	Search Vueling flights

Cheap flights from San Francisco to Lisbon from $395

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