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Cheap flights from Florence to San Francisco from $435

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Florence to San Francisco departing on 5/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Florence to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
ITA Airways Logo
6:25 am - 1:15 pm
FLR
-
SFO
15h 50m
1 stop
ITA Airways Logo
3:15 pm - 10:40 pm
SFO
-
FLR
22h 25m
1 stop
$544ITA Airways
Tue, Apr 28 - Sun, May 3
ITA Airways Logo
6:25 am - 1:15 pm
FLR
-
SFO
15h 50m
1 stop
ITA Airways Logo
3:15 pm - 6:15 pm
SFO
-
FLR
18h 00m
1 stop
$545ITA Airways
Tue, Apr 14 - Tue, Apr 21
ITA Airways Logo
6:25 am - 5:12 pm
FLR
-
SFO
19h 47m
2 stops
ITA Airways Logo
3:15 pm - 6:15 pm
SFO
-
FLR
18h 00m
1 stop
$547ITA Airways
Tue, Apr 28 - Sun, May 3
ITA Airways Logo
7:00 pm - 5:12 pm
FLR
-
SFO
31h 12m
2 stops
ITA Airways Logo
3:15 pm - 10:40 pm
SFO
-
FLR
22h 25m
1 stop
$548ITA Airways
Tue, Apr 28 - Sun, May 3
Air Canada Logo
6:30 am - 9:22 pm
FLR
-
SFO
23h 52m
2 stops
Air Canada Logo
8:23 am - 6:30 pm
SFO
-
FLR
25h 07m
2 stops
$588Air Canada
Tue, Apr 28 - Sun, May 3
British Airways Logo
7:05 am - 1:50 pm
FLR
-
SFO
15h 45m
1 stop
British Airways Logo
1:28 pm - 10:20 pm
SFO
-
FLR
23h 52m
2 stops
$595British Airways
Tue, Apr 14 - Tue, Apr 21
Air Canada Logo
6:30 am - 9:22 pm
FLR
-
SFO
23h 52m
2 stops
Air Canada Logo
8:04 am - 12:40 pm
SFO
-
FLR
19h 36m
2 stops
$596Air Canada
Tue, Apr 14 - Tue, Apr 21
ITA Airways Logo
3:30 pm - 5:12 pm
FLR
-
SFO
34h 42m
2 stops
ITA Airways Logo
3:15 pm - 6:15 pm
SFO
-
FLR
18h 00m
1 stop
$599ITA Airways
Fri, May 15 - Sat, May 23
ITA Airways Logo
7:00 pm - 1:15 pm
FLR
-
SFO
27h 15m
1 stop
ITA Airways Logo
3:15 pm - 2:45 pm
SFO
-
FLR
14h 30m
1 stop
$601ITA Airways
Thu, Apr 23 - Sun, Apr 26
ITA Airways Logo
6:25 am - 1:15 pm
FLR
-
SFO
15h 50m
1 stop
ITA Airways Logo
8:49 am - 10:40 pm
SFO
-
FLR
28h 51m
2 stops
$602ITA Airways
Wed, Apr 15 - Sun, Apr 19

KLM flights from Florence to San Francisco

Our best KLM deals on Florence to San Francisco flight tickets
KLM
May 4
FLR5:35 pmFlorence Peretola
27h 10m
1 stop
SFO11:45 amSan Francisco
May 11
SFO3:05 pmSan Francisco
14h 20m
1 stop
FLR2:25 pmFlorence Peretola
$689
KLM
May 4
FLR5:35 pmFlorence Peretola
27h 10m
1 stop
SFO11:45 amSan Francisco
May 11
SFO3:05 pmSan Francisco
17h 10m
1 stop
FLR5:15 pmFlorence Peretola
$690
KLM
May 4
FLR8:35 pmFlorence Peretola
25h 15m
1 stop
SFO12:50 pmSan Francisco
May 11
SFO3:05 pmSan Francisco
17h 10m
1 stop
FLR5:15 pmFlorence Peretola
$694

United Airlines flights from Florence to San Francisco

Our best United Airlines deals on Florence to San Francisco flight tickets
United Airlines
Apr 10
FLR6:30 amFlorence Peretola
17h 55m
1 stop
SFO3:25 pmSan Francisco
Apr 17
SFO2:32 pmSan Francisco
17h 03m
2 stops
FLR4:35 pmFlorence Peretola
$626
United Airlines
Apr 10
FLR6:30 amFlorence Peretola
20h 16m
2 stops
SFO5:46 pmSan Francisco
Apr 17
SFO12:45 pmSan Francisco
18h 50m
2 stops
FLR4:35 pmFlorence Peretola
$631
United Airlines
Apr 15
FLR6:30 amFlorence Peretola
37h 31m
2 stops
SFO11:01 amSan Francisco
Apr 19
SFO1:50 pmSan Francisco
17h 45m
2 stops
FLR4:35 pmFlorence Peretola
$632

momondo 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, momondo users made 832,500 searches. Data last updated February 28, 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

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Tue 4/28

6:25 am-1:15 pm

1 stop15h 50m

San Francisco

Sun 5/3

3:15 pm-10:40 pm

1 stop22h 25m

$544

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Tue 4/14

6:25 am-1:15 pm

1 stop15h 50m

San Francisco

Tue 4/21

3:15 pm-6:15 pm

1 stop18h 00m

$545

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Tue 4/28

6:25 am-5:12 pm

2 stops19h 47m

San Francisco

Sun 5/3

3:15 pm-6:15 pm

1 stop18h 00m

$547

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Tue 4/28

7:00 pm-5:12 pm

2 stops31h 12m

San Francisco

Sun 5/3

3:15 pm-10:40 pm

1 stop22h 25m

$548

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Tue 4/28

6:30 am-9:22 pm

2 stops23h 52m

San Francisco

Sun 5/3

8:23 am-6:30 pm

2 stops25h 07m

$588

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Tue 4/14

7:05 am-1:50 pm

1 stop15h 45m

San Francisco

Tue 4/21

1:28 pm-10:20 pm

2 stops23h 52m

$595

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Tue 4/14

6:30 am-9:22 pm

2 stops23h 52m

San Francisco

Tue 4/21

8:04 am-12:40 pm

2 stops19h 36m

$596

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Fri 5/15

3:30 pm-5:12 pm

2 stops34h 42m

San Francisco

Sat 5/23

3:15 pm-6:15 pm

1 stop18h 00m

$599

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Thu 4/23

7:00 pm-1:15 pm

1 stop27h 15m

San Francisco

Sun 4/26

3:15 pm-2:45 pm

1 stop14h 30m

$601

FlorenceSan Francisco

FLR - SFO

FLRSFO

Florence Peretola

Wed 4/15

6:25 am-1:15 pm

1 stop15h 50m

San Francisco

Sun 4/19

8:49 am-10:40 pm

2 stops28h 51m

$602

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Florence 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 typical price of a round-trip flight between Florence and San Francisco?

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of June, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $622.

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Florence when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $769 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Florence for as low as $666 on momondo.

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

As of February 2026, prices for Florence to San Francisco flights are approximately 51% more expensive when compared to flights at the same time last year.

When to book flights from Florence to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Florence to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Florence to San Francisco (FLR to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Florence to San Francisco

Fastest flight time

15h 10m

Direct flights

None
The fastest flight from Florence to San Francisco takes 15h 10m
There are no direct flights from Florence to San Francisco. There are no popular flight routes from Florence to San Francisco.
Search flight deals

  • How far is Florence Peretola to San Francisco by plane?

    Florence Peretola and San Francisco are 6095.9 mi apart from one another. Flights usually cover this in 15h 10m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Florence Peretola Airport to San Francisco Airport?

    Prices for flights from Florence Peretola Airport to San Francisco Airport are updated daily.

  • How many operators does momondo search for flights from Florence Peretola Airport to San Francisco Airport?

  • How old do you have to be to fly from Florence Peretola Airport to San Francisco Airport?

    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 Florence Peretola Airport 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 airline from Florence to San Francisco?

Best airlines flying from Florence to San Francisco

Compare and see reviews for airlines that fly from Florence to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $637Free CancellationRating
7.4
9,362 reviews
Search United Airlines flights
LufthansaPriceFrom $739Free CancellationRating
6.8
7,817 reviews
Search Lufthansa flights

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Roseville
Walnut Creek
Hayward
Santa Clara
Big Sur
Berkeley
Calistoga
Fremont
Half Moon Bay
Vallejo
Daly City
Salinas
South San Francisco
Milpitas
Sunnyvale

Why use momondo?

Why should I use momondo to find a flight deal from Florence to San Francisco?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Florence to San Francisco. momondo saves you time and could save you money on your trip.

Can I find flights from Florence to San Francisco with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Francisco from Florence which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Florence to San Francisco?

momondo provides multiple filters to help you find the best flight to San Francisco from Florence. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Florence 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 Florence and alert you when they change.

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