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Cheap flights from Rome Ciampino Airport to San Francisco from $518

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 6/2. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:25 pm - 3:35 pm
CIA
-
SFO
31h 10m
2 stops
Multiple Airlines Logo
5:40 pm - 7:40 pm
SFO
-
CIA
18h 00m
2 stops
$955Multiple Airlines
Sun, Mar 15 - Sun, Mar 22
Multiple Airlines Logo
6:55 am - 4:35 pm
CIA
-
SFO
42h 40m
3 stops
Multiple Airlines Logo
5:35 pm - 9:30 pm
SFO
-
CIA
18h 55m
2 stops
$1,055Multiple Airlines
Wed, May 27 - Mon, Jun 1
Multiple Airlines Logo
1:05 pm - 11:50 am
CIA
-
SFO
31h 45m
2 stops
Multiple Airlines Logo
2:55 pm - 7:55 pm
SFO
-
CIA
21h 00m
2 stops
$1,059Multiple Airlines
Mon, Mar 2 - Mon, Mar 16
Multiple Airlines Logo
6:25 am - 3:30 pm
CIA
-
SFO
41h 05m
3 stops
Multiple Airlines Logo
4:45 pm - 9:10 pm
SFO
-
CIA
19h 25m
2 stops
$1,060Multiple Airlines
Tue, Mar 24 - Tue, Apr 7
Multiple Airlines Logo
6:55 am - 4:35 pm
CIA
-
SFO
42h 40m
3 stops
Multiple Airlines Logo
5:40 pm - 9:10 pm
SFO
-
CIA
18h 30m
2 stops
$1,063Multiple Airlines
Wed, May 27 - Sun, May 31
Multiple Airlines Logo
9:45 pm - 12:40 pm
CIA
-
SFO
23h 55m
2 stops
Multiple Airlines Logo
1:45 pm - 8:30 pm
SFO
-
CIA
21h 45m
2 stops
$1,065Multiple Airlines
Fri, May 1 - Thu, May 14
Multiple Airlines Logo
6:20 am - 5:35 pm
CIA
-
SFO
44h 15m
3 stops
Multiple Airlines Logo
1:45 pm - 8:30 pm
SFO
-
CIA
21h 45m
2 stops
$1,066Multiple Airlines
Fri, May 1 - Thu, May 14
Multiple Airlines Logo
8:35 am - 7:35 pm
CIA
-
SFO
20h 00m
2 stops
Multiple Airlines Logo
2:40 pm - 9:40 pm
SFO
-
CIA
22h 00m
2 stops
$1,072Multiple Airlines
Sun, Mar 1 - Thu, Mar 5
Multiple Airlines Logo
7:00 am - 4:05 pm
CIA
-
SFO
42h 05m
3 stops
Multiple Airlines Logo
5:20 pm - 8:30 pm
SFO
-
CIA
18h 10m
2 stops
$1,085Multiple Airlines
Thu, Feb 26 - Mon, Mar 2
Multiple Airlines Logo
10:00 am - 4:35 pm
CIA
-
SFO
39h 35m
3 stops
Multiple Airlines Logo
5:35 pm - 9:30 pm
SFO
-
CIA
18h 55m
2 stops
$1,103Multiple Airlines
Wed, Apr 1 - Mon, Apr 6

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 February 14, 2026.
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

Sun 3/15

4:25 pm-3:35 pm

2 stops31h 10m

San Francisco

Sun 3/22

5:40 pm-7:40 pm

2 stops18h 00m

$955

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Wed 5/27

6:55 am-4:35 pm

3 stops42h 40m

San Francisco

Mon 6/1

5:35 pm-9:30 pm

2 stops18h 55m

$1,055

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Mon 3/2

1:05 pm-11:50 am

2 stops31h 45m

San Francisco

Mon 3/16

2:55 pm-7:55 pm

2 stops21h 00m

$1,059

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Tue 3/24

6:25 am-3:30 pm

3 stops41h 05m

San Francisco

Tue 4/7

4:45 pm-9:10 pm

2 stops19h 25m

$1,060

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Wed 5/27

6:55 am-4:35 pm

3 stops42h 40m

San Francisco

Sun 5/31

5:40 pm-9:10 pm

2 stops18h 30m

$1,063

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Fri 5/1

9:45 pm-12:40 pm

2 stops23h 55m

San Francisco

Thu 5/14

1:45 pm-8:30 pm

2 stops21h 45m

$1,065

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Fri 5/1

6:20 am-5:35 pm

3 stops44h 15m

San Francisco

Thu 5/14

1:45 pm-8:30 pm

2 stops21h 45m

$1,066

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Sun 3/1

8:35 am-7:35 pm

2 stops20h 00m

San Francisco

Thu 3/5

2:40 pm-9:40 pm

2 stops22h 00m

$1,072

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Thu 2/26

7:00 am-4:05 pm

3 stops42h 05m

San Francisco

Mon 3/2

5:20 pm-8:30 pm

2 stops18h 10m

$1,085

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Wed 4/1

10:00 am-4:35 pm

3 stops39h 35m

San Francisco

Mon 4/6

5:35 pm-9:30 pm

2 stops18h 55m

$1,103

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 $719. 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 morning. Our users have found flights to San Francisco in the morning for as low as $721. Flights in the afternoon are often more expensive with an average ticket price of $877.

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

Fastest flight time

39h 35m

Direct flights

None
The fastest flight from Rome Ciampino Airport to San Francisco takes 39h 35m
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.
Search flight deals

  • 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 39h 35m.

  • 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
Bodega Bay
Roseville
Hayward
Walnut Creek
Santa Clara
Calistoga
Berkeley
Big Sur
Fremont
Daly City
Half Moon Bay
Salinas
Vallejo
Sunnyvale
Milpitas
Turlock

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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