HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Francisco

$391+ Cheap flights from Florence (FLR) to San Francisco (SFO)

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
FLR — SFO
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Florence to San Francisco with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Florence Peretola to San Francisco are usually found in February or October, booked 43 days in advance, depart on a Friday or Tuesday and return on a Tuesday

Cheap flight deals from Florence to San Francisco

Cheapest flights from Florence to San Francisco
Explore the most affordable flight options available from Florence to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:30 amFLR - SFO
1 stop18h 25mUnited Airlines
Tue 1/137:25 pmSFO - FLR
1 stop33h 25mUnited Airlines
Deal found 12/10$741
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/172:20 pmFLR - SFO
1 stop14h 50mUnited Airlines
Thu 1/1511:20 pmSFO - FLR
2 stops28h 15mUnited Airlines
Deal found 12/10$745
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:30 amFLR - SFO
1 stop18h 25mUnited Airlines
Fri 1/166:00 amSFO - FLR
2 stops22h 35mUnited Airlines
Deal found 12/10$746
This Booking.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:35 amFLR - SFO
1 stop15h 30mITA Airways
Sat 12/273:05 pmSFO - FLR
1 stop18h 20mITA Airways
Deal found 12/10$766
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/179:35 amFLR - SFO
2 stops19h 44mUnited Airlines
Sat 1/1711:25 pmSFO - FLR
2 stops29h 45mUnited Airlines
Deal found 12/10$791
This SWISS deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:50 pmFLR - SFO
2 stops31h 10mSWISS
Sat 12/277:25 pmSFO - FLR
1 stop28h 25mSWISS
Deal found 12/10$827
This TAP AIR PORTUGAL deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1611:40 amFLR - SFO
2 stops35h 50mTAP AIR PORTUGAL
Wed 1/144:35 pmSFO - FLR
1 stop16h 55mTAP AIR PORTUGAL
Deal found 12/10$857
This Delta deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1712:20 pmFLR - SFO
2 stops36h 37mDelta
Tue 1/1310:55 pmSFO - FLR
2 stops30h 30mDelta
Deal found 12/10$895
This Delta deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1712:20 pmFLR - SFO
2 stops36h 37mDelta
Thu 1/156:00 amSFO - FLR
2 stops20h 20mDelta
Deal found 12/10$906
This Cheapflightsfares deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/152:15 pmFLR - SFO
1 stop14h 55mMultiple Airlines
Thu 1/157:25 pmSFO - FLR
1 stop13h 40mMultiple Airlines
Deal found 12/11$952

Find flight deals from Florence to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Florence (FLR) to San Francisco (SFO). 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$423
(lol.travel)

One-way from

$391
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$980
Provider with most accurate pricing for Florence Peretola-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Florence Peretola-San Francisco flights.
Search Deals
From Florence Peretola to San Francisco
Search Deals
One-way flight from Florence Peretola to San Francisco
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Florence to San Francisco 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 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Florence to San Francisco that are best for you.

Fly from

Florence

Fly to

San Francisco

Route

Depart

Return

Price

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Thu 1/15

7:15 pm-4:05 pm

1 stop29h 50m

San Francisco

Wed 1/21

4:35 pm-11:35 am

1 stop34h 00m

$423

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Tue 5/12

6:25 am-1:15 pm

1 stop15h 50m

San Francisco

Sun 5/17

3:15 pm-2:45 pm

1 stop14h 30m

$594

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Tue 2/17

3:30 pm-2:30 pm

2 stops32h 00m

San Francisco

Wed 3/4

4:35 pm-6:30 pm

1 stop16h 55m

$704

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Tue 2/17

10:20 am-3:55 pm

1 stop14h 35m

San Francisco

Wed 3/4

7:25 pm-6:00 pm

1 stop13h 35m

$719

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Thu 1/15

6:35 am-3:55 pm

1 stop18h 20m

San Francisco

Wed 1/21

7:25 pm-2:20 pm

1 stop33h 55m

$742

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Wed 2/18

6:30 am-3:55 pm

1 stop18h 25m

San Francisco

Sun 2/22

7:25 pm-1:45 pm

1 stop33h 20m

$743

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Wed 2/18

6:30 am-9:22 pm

2 stops23h 52m

San Francisco

Sun 2/22

7:30 am-1:35 pm

2 stops21h 05m

$751

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Fri 4/3

11:25 am-9:30 am

3 stops31h 05m

$391

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Sat 5/9

10:00 pm-5:55 pm

1 stop28h 55m

$401

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Mon 4/27

1:50 pm-5:55 pm

1 stop37h 05m

$402

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 15 results
1
2

Compare providers for flights from Florence to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Florence to San Francisco in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Florence-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Florence-San Francisco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Florence-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Florence-San Francisco flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Florence-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Florence to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Florence 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 Florence to San Francisco

How far ahead should I book a flight from Florence to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Florence to San Francisco. Price data was last updated on December 5, 2025.

Booking 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from Florence to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Florence to San Francisco?

Currently, November is the cheapest month in which you can book a flight from Florence to San Francisco (average of $435). Flying from Florence to San Francisco in July is currently the most expensive (average of $714). 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 FLR to SFO?

Find hourly flight availability from Florence to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

One of the essential ways to save on airfare from Florence to San Francisco is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 49% on airfare.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated December 12, 2025.
Get a feel of what it's like to fly with United Airlines and Lufthansa from Florence to San Francisco by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,095 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Lufthansa
6.8
Okay
7,626 reviews
United Airlines
7.4
Good
9,095 reviews

Boarding

7.7

Food

6.6

Entertainment

7.1

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

Find useful and relevant information for your journey from Florence to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Florence to San Francisco?

    Airlines like TAP AIR PORTUGAL and ITA Airways fly from Florence to San Francisco in about 15h 50m. The time it takes to get you to your destination can typically vary by up to 14h. The distance between Florence and San Francisco is about 6101 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $554, Lufthansa will fly you from Florence to San Francisco and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $566. These flights start at 26% lower than the current average price 3 months from now.

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

    For one-way options, check prices for LEVEL. According to our data, you can fly for as low as $452. Users have also found prices from $472 and $489 on British Airways and Iberia, respectively.

  • Can I find deals for flights from Florence to San Francisco that include hotel bookings?

    Yes. In addition to deals on Florence to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Florence to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Florence to San Francisco.

  • Can I find deals for business class flights from Florence to San Francisco?

    Yes. Cheapflights offers flight deals from Florence to San Francisco 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 Florence to San Francisco?

    Currently, November is the cheapest month in which you can book a flight from Florence to San Francisco (average of $435). Flying from Florence to San Francisco in July is currently the most expensive (average of $714). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Manteca
Watsonville
Sunnyvale
Santa Clara
San Bruno
Redwood City
Daly City
Vallejo
Hollister
Foster City
Union City
Davis
San Ramon
Burlingame
Milpitas

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Florence to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
Leonardo da Vinci/Fiumicino to Los Angeles flights
Leonardo da Vinci/Fiumicino to Ontario flights
Ciampino to Los Angeles flights
Leonardo da Vinci/Fiumicino to San Francisco flights
Leonardo da Vinci/Fiumicino to Santa Ana flights
Ciampino to San Francisco flights
Leonardo da Vinci/Fiumicino to Las Vegas flights
Florence to Los Angeles flights
Leonardo da Vinci/Fiumicino to San Diego flights
Leonardo da Vinci/Fiumicino to Oakland flights
Leonardo da Vinci/Fiumicino to Burbank flights
Leonardo da Vinci/Fiumicino to San Jose flights
Leonardo da Vinci/Fiumicino to Long Beach flights
Pisa to San Diego flights
Florence to San Diego flights
Leonardo da Vinci/Fiumicino to Sacramento flights
Pisa to Los Angeles flights
Pisa to San Francisco flights
Florence to Santa Ana flights
Florence to San Jose flights
Florence to Las Vegas flights
Florence to Oakland flights
Pisa to Las Vegas flights
Pisa to Oakland flights
Leonardo da Vinci/Fiumicino to Reno flights
Pisa to Santa Ana flights

Top 2 airlines flying from Florence to San Francisco

Discover the top 2 airlines that operate flights from Florence to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$554Average$840FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$566Average$715FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.