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$368+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
FLR — SFO
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
1 adult, Economy
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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 March 11, 2026.

This Mytrip deal was found by Cheapflights users on 3/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/146:35 am
FLR
-
SFO
1 stop15h 30m
ITA Airways
Mon 3/234:05 pm
SFO
-
FLR
1 stop18h 20m
ITA Airways
Deal found 3/7$541
This lol.travel deal was found by Cheapflights users on 3/7. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:25 am
FLR
-
SFO
1 stop15h 50m
ITA Airways
Wed 4/223:15 pm
SFO
-
FLR
1 stop13h 55m
ITA Airways
Deal found 3/7$543
This lol.travel deal was found by Cheapflights users on 3/8. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/157:10 pm
FLR
-
SFO
1 stop26h 55m
ITA Airways
Mon 3/234:05 pm
SFO
-
FLR
1 stop18h 20m
ITA Airways
Deal found 3/8$544
This lol.travel deal was found by Cheapflights users on 3/10. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:35 am
FLR
-
SFO
1 stop15h 30m
ITA Airways
Mon 3/234:05 pm
SFO
-
FLR
1 stop18h 20m
ITA Airways
Deal found 3/10$549
This Mytrip deal was found by Cheapflights users on 3/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:25 am
FLR
-
SFO
1 stop15h 50m
ITA Airways
Wed 4/293:15 pm
SFO
-
FLR
1 stop34h 25m
ITA Airways
Deal found 3/10$557

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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$543
(lol.travel)

One-way from

$368
(Kiwi.com)

Popular in

December

Cheapest in

June

Average price

$831
Provider with most accurate pricing for Florence Peretola-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Florence Peretola-San Francisco flights.
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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. 9% potential increase in price ($81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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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 March 11, 2026.
Use the filters below to find and compare flights from Florence to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Mon 5/4

6:30 am-12:40 pm

1 stop15h 10m

San Francisco

Mon 5/11

6:30 am-4:35 pm

2 stops25h 05m

$605

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Wed 4/15

6:30 am-6:57 pm

2 stops21h 27m

San Francisco

Sun 4/19

12:45 pm-4:35 pm

2 stops18h 50m

$610

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Fri 4/17

1:40 pm-12:39 am

2 stops19h 59m

San Francisco

Wed 4/22

12:45 pm-4:35 pm

2 stops18h 50m

$611
Quickest round-trip

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Mon 5/4

6:30 am-11:45 am

1 stop14h 15m

San Francisco

Mon 5/11

2:45 pm-7:40 pm

2 stops19h 55m

$644

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Wed 5/27

9:50 am-6:38 pm

2 stops17h 48m

San Francisco

Mon 6/8

2:00 pm-4:35 pm

1 stop17h 35m

$656

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Mon 5/4

5:35 pm-11:45 am

1 stop27h 10m

San Francisco

Mon 5/11

3:05 pm-7:40 pm

1 stop19h 35m

$665

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Thu 4/23

6:30 am-12:40 pm

1 stop15h 10m

San Francisco

Thu 4/30

9:05 pm-12:40 pm

1 stop30h 35m

$668

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Thu 8/13

9:55 am-8:51 pm

2 stops19h 56m

San Francisco

Sat 8/29

7:58 am-6:05 pm

2 stops25h 07m

$730
Cheapest one-way

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Fri 5/29

6:45 pm-1:50 pm

1 stop28h 05m

$548

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Fri 4/17

7:00 am-8:50 pm

1 stop22h 50m

$610

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 17 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Florence-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Florence-San Francisco flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 March 6, 2026.

Booking 37 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.

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 March 11, 2026.
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
9,413 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

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
9,413 reviews
United Airlines
7.4
Good
9,413 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

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
7,843 reviews
United Airlines
7.4
Good
9,413 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

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 United Airlines and Delta fly from Florence to San Francisco in about 14h 15m. The time it takes to get you to your destination can typically vary by up to 55m. 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 $637, United Airlines will fly you from Florence to San Francisco and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Lufthansa for as low as $739. These flights start at 16% 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 British Airways. According to our data, you can fly for as low as $471. Users have also found prices from $489 and $583 on Iberia and ITA Airways, 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
South San Francisco
Santa Clara
Santa Cruz
Livermore
Roseville
Watsonville
San Bruno
Sunnyvale
Vacaville
Turlock
San Carlos
San Ramon
Redwood City
Daly City
Rancho Cordova
San Lorenzo
Davis
Hollister
Manteca
Union City

Browse thousands of different options on Cheapflights for your next trip

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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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$637Average$716FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$739Average$956FlexibilityNo cancel feeOn-time76%

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