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Cheap flights from Rome Ciampino Airport to San Francisco from $444

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rome Ciampino Airport to San Francisco departing on 10/30. 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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Find the cheapest flights from Rome Ciampino Airport to San Francisco

Cheap round-trip flights

Logo
10:45 am - 5:05 pmCIA-SFO
38h 20m3 stops
Logo
4:40 pm - 9:40 pmSFO-CIA
20h 00m2 stops
$871
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Thu, Oct 30 - Thu, Nov 6
Logo
6:05 am - 2:30 pmCIA-SFO
41h 25m3 stops
Logo
5:20 pm - 8:05 pmSFO-CIA
17h 45m2 stops
$997
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Tue, Nov 11 - Mon, Nov 24
Logo
6:05 am - 3:30 pmCIA-SFO
41h 25m3 stops
Logo
11:20 am - 3:30 pmSFO-CIA
19h 10m3 stops
$1,015
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Tue, Oct 28 - Tue, Nov 4
Logo
3:25 pm - 2:45 pmCIA-SFO
32h 20m3 stops
Logo
12:10 pm - 9:15 pmSFO-CIA
24h 05m2 stops
$1,041
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Fri, Nov 14 - Fri, Nov 21
Logo
6:00 am - 9:30 amCIA-SFO
36h 30m3 stops
Logo
12:50 pm - 9:15 pmSFO-CIA
23h 25m2 stops
$1,044
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Sat, Sep 27 - Fri, Oct 10
Logo
1:35 pm - 4:10 pmCIA-SFO
35h 35m2 stops
Logo
8:25 am - 8:35 pmSFO-CIA
28h 10m3 stops
$1,055
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Sun, Oct 19 - Wed, Oct 29
Logo
6:20 am - 6:15 pmCIA-SFO
20h 55m2 stops
Logo
2:55 pm - 7:55 pmSFO-CIA
21h 00m2 stops
$1,381
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Fri, Oct 24 - Sat, Nov 1
Logo
8:25 pm - 12:50 pmCIA-SFO
24h 25m2 stops
Logo
5:20 pm - 8:05 pmSFO-CIA
17h 45m2 stops
$1,412
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Mon, Oct 27 - Mon, Nov 10
Logo
6:00 am - 4:10 pmCIA-SFO
19h 10m2 stops
Logo
2:40 pm - 8:25 pmSFO-CIA
20h 45m3 stops
$1,834
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Tue, Sep 30 - Sat, Oct 4
Logo
6:10 am - 7:00 pmCIA-SFO
21h 50m2 stops
Logo
8:40 am - 3:55 pmSFO-CIA
22h 15m3 stops
$1,859
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Sat, Oct 11 - Sat, Oct 18

momondo Fare Finder

 
Customize your flight search to find flights from Rome Ciampino Airport 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 September 15, 2025.
Use the filters below to find and compare flights from Rome Ciampino Airport to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Thu 10/30

10:45 am-5:05 pm

3 stops38h 20m

San Francisco

Thu 11/6

4:40 pm-9:40 pm

2 stops20h 00m

$871

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Tue 11/11

6:05 am-2:30 pm

3 stops41h 25m

San Francisco

Mon 11/24

5:20 pm-8:05 pm

2 stops17h 45m

$997

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Tue 10/28

6:05 am-3:30 pm

3 stops41h 25m

San Francisco

Tue 11/4

11:20 am-3:30 pm

3 stops19h 10m

$1,015

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Fri 11/14

3:25 pm-2:45 pm

3 stops32h 20m

San Francisco

Fri 11/21

12:10 pm-9:15 pm

2 stops24h 05m

$1,041

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Sat 9/27

6:00 am-9:30 am

3 stops36h 30m

San Francisco

Fri 10/10

12:50 pm-9:15 pm

2 stops23h 25m

$1,044

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Sun 10/19

1:35 pm-4:10 pm

2 stops35h 35m

San Francisco

Wed 10/29

8:25 am-8:35 pm

3 stops28h 10m

$1,055

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Fri 10/24

6:20 am-6:15 pm

2 stops20h 55m

San Francisco

Sat 11/1

2:55 pm-7:55 pm

2 stops21h 00m

$1,381

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Mon 10/27

8:25 pm-12:50 pm

2 stops24h 25m

San Francisco

Mon 11/10

5:20 pm-8:05 pm

2 stops17h 45m

$1,412

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Tue 9/30

6:00 am-4:10 pm

2 stops19h 10m

San Francisco

Sat 10/4

2:40 pm-8:25 pm

3 stops20h 45m

$1,834

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Sat 10/11

6:10 am-7:00 pm

2 stops21h 50m

San Francisco

Sat 10/18

8:40 am-3:55 pm

3 stops22h 15m

$1,859

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 Rome Ciampino Airport 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 day to depart on your flight to San Francisco?

The cheapest day to depart from Rome Ciampino Airport to San Francisco is on a Monday when prices can be found for as low as $730. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $1,138.

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

Our data shows that the cheapest Rome Ciampino Airport to San Francisco flights are usually those with departure times in the evening. Our users have found flights to San Francisco in the evening for as low as $671. Flights in the afternoon are often more expensive with an average ticket price of $876.

When to book flights from Rome Ciampino Airport to San Francisco

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

Cheap Rome Ciampino Airport to San Francisco (CIA to SFO) flight deals and tips

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

Direct flights

None
There are no direct flights from Rome Ciampino Airport to San Francisco. There are no popular flight routes from Rome Ciampino Airport to San Francisco.
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  • How far is Rome Ciampino to San Francisco by plane?

    The straight-line distance from Rome Ciampino to San Francisco is 6246.5 mi. By plane, this route typically takes 19h 10m.

  • When did momondo last update prices for flights from Rome Ciampino Airport to San Francisco Airport?

    Prices for flights from Rome Ciampino Airport to San Francisco Airport refresh daily.

  • How old do you have to be to fly from Rome Ciampino Airport 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 Rome Ciampino Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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
Calistoga
Bodega Bay
Roseville
Hayward
Big Sur
Santa Clara
Daly City
Fremont
Berkeley
Half Moon Bay
Walnut Creek
Vallejo
Redwood City
Salinas
South San Francisco
Fairfield

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Rome.

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

Yes. momondo enables you to select and highlight flights to San Francisco from Rome with this policy.

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

Once you have performed a search for Rome 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 Rome to San Francisco right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Rome to San Francisco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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