Cheap flights from Portugal to San Francisco from $334
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to San Francisco departing on 9/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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TAP AIR PORTUGAL flights from Portugal to San Francisco
Our best TAP AIR PORTUGAL deals on Portugal to San Francisco flight tickets
United Airlines flights from Portugal to San Francisco
Our best United Airlines deals on Portugal to San Francisco flight tickets
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How to get the cheapest flight ticket from Portugal to San Francisco
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to San Francisco?
If you aren’t able to travel to San Francisco during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $768.
What is the cheapest day to depart on your flight to San Francisco?
The cheapest day to depart from Portugal to San Francisco is on a Sunday when prices can be found for as low as $718. The most expensive day to fly to San Francisco is Monday, with ticket prices averaging around $1,204.
What is the cheapest time of day to depart on your flight to San Francisco?
Our data shows that the cheapest Portugal to San Francisco flights are usually those with departure times in the afternoon. Our users have found flights to San Francisco in the afternoon for as low as $613. Flights in the morning are often more expensive with an average ticket price of $924.
What is the cheapest Portugal to San Francisco flight route?
Fly from Lisbon Humberto Delgado to San Francisco for the best Portugal - San Francisco flight prices
How far in advance should I book a flight to San Francisco?
You are more likely to see cheaper flights to San Francisco from Portugal when booking 17 weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $833 when searching 17 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Portugal for as low as $740 on momondo.
What cabin class options are available on Portugal to San Francisco flights?
There are 3 cabin classes available to choose from on Portugal to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Portugal to San Francisco?
Iberia, Aer Lingus, and TAP AIR PORTUGAL are the most popular carriers operating from Portugal to San Francisco
What airlines fly to San Francisco?
TAP AIR PORTUGAL, British Airways and United Airlines are the top three most popular airlines that fly to San Francisco from Portugal 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 San Francisco. Keep in mind that there are 8 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.
How many flights depart from Portugal to San Francisco on average per day?
1 flights are operational daily from Portugal to San Francisco as of June 2025. The most popular departure time for this route is 9:00AM, with 50% of flights per day taking off at noon.
How many flights depart from Portugal to San Francisco on average per week?
The number of flights available between Portugal and San Francisco is 7 per week as of June 2025. The most frequent departure day is Wed, with 43% of weekly flights leaving on this day.
Cheap Portugal to San Francisco flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portugal to San Francisco
Best Price Found | $334 |
|---|---|
Fastest flight time | 12h 35m |
Direct flights | Tue, Wed, Thu, Fri, Sat and Sun |
Airports in San Francisco | 1 airport |
When did momondo last update prices for flights from Portugal to San Francisco Airport?
Prices for flights from Portugal to San Francisco Airport are updated daily.
How many operators does momondo search for flights from Portugal to San Francisco Airport?
As of June 2025, there are 8 operators available to choose from for flights from Portugal to San Francisco Airport.
How old do you have to be to fly from Portugal to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portugal to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The necessary travel and health documents for your San Francisco 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.
What is the most popular plane model from Portugal to San Francisco?
Based on momondo bookings for flights between Portugal and San Francisco, the leading plane model is Airbus A330-900neo, making up 88.00% of the total bookings. Other popular models include Airbus A330 with 8.00% and Airbus A330-200 with 4.00%.
Best airlines flying from Portugal to San Francisco
Compare and see reviews for airlines that fly from Portugal to San Francisco with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $473 | Free Cancellation | Rating 4.0 4 reviews | |||
| PriceFrom $523 | Free Cancellation | Rating 8.0 7,958 reviews | |||
| PriceFrom $572 | Free Cancellation | Rating 6.6 7,016 reviews | |||
| PriceFrom $657 | Free Cancellation | Rating 7.5 1,463 reviews | |||
| PriceFrom $657 | Free Cancellation | Rating 7.4 8,793 reviews | |||
| PriceFrom $659 | Free Cancellation | Rating 6.8 7,148 reviews | |||
| PriceFrom $668 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $669 | Free Cancellation | Rating 7.1 1,889 reviews |
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Portugal to San Francisco?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portugal to San Francisco for you.
Can I find flights from Portugal to San Francisco with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Portugal to San Francisco flights to just show those with flexible booking policies.
How can momondo help me find flights from Portugal to San Francisco?
Once you have performed a search for Portugal to San Francisco flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Portugal to San Francisco right now. Can momondo alert me if prices change?
If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from Portugal and alert you when they change.