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Cheap flights from Rome Ciampino Airport to San Francisco from $514

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 5/25. 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

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
9:40 pm - 6:41 pm
CIA
-
SFO
30h 01m
3 stops
Multiple Airlines Logo
12:15 pm - 9:50 pm
SFO
-
CIA
24h 35m
3 stops
$983Multiple Airlines
Tue, Oct 6 - Tue, Oct 13
Multiple Airlines Logo
9:40 pm - 3:24 pm
CIA
-
SFO
26h 44m
2 stops
Multiple Airlines Logo
8:30 am - 7:25 pm
SFO
-
CIA
25h 55m
3 stops
$1,044Multiple Airlines
Tue, Sep 22 - Tue, Jan 26
Multiple Airlines Logo
9:40 pm - 3:55 pm
CIA
-
SFO
27h 15m
2 stops
Multiple Airlines Logo
12:00 pm - 2:30 pm
SFO
-
CIA
17h 30m
2 stops
$1,051Multiple Airlines
Tue, Sep 22 - Mon, Jan 18
Multiple Airlines Logo
9:40 pm - 3:24 pm
CIA
-
SFO
26h 44m
2 stops
Multiple Airlines Logo
8:25 am - 9:50 pm
SFO
-
CIA
28h 25m
3 stops
$1,052Multiple Airlines
Tue, Sep 22 - Wed, Jan 27
Multiple Airlines Logo
9:05 pm - 8:50 pm
CIA
-
SFO
32h 45m
2 stops
Multiple Airlines Logo
5:55 pm - 9:20 pm
SFO
-
CIA
18h 25m
1 stop
$1,102Multiple Airlines
Sat, May 9 - Wed, May 13
Multiple Airlines Logo
9:40 pm - 4:15 pm
CIA
-
SFO
27h 35m
2 stops
Multiple Airlines Logo
12:15 pm - 9:50 pm
SFO
-
CIA
24h 35m
3 stops
$1,109Multiple Airlines
Tue, Oct 6 - Tue, Oct 13
Multiple Airlines Logo
9:40 pm - 12:40 pm
CIA
-
SFO
24h 00m
2 stops
Multiple Airlines Logo
5:55 pm - 9:20 pm
SFO
-
CIA
18h 25m
1 stop
$1,124Multiple Airlines
Tue, Oct 6 - Tue, Oct 13
Multiple Airlines Logo
6:00 am - 3:50 pm
CIA
-
SFO
18h 50m
2 stops
Multiple Airlines Logo
5:40 pm - 8:20 pm
SFO
-
CIA
17h 40m
2 stops
$1,125Multiple Airlines
Thu, Jun 18 - Wed, Jun 24
Multiple Airlines Logo
6:35 am - 2:05 pm
CIA
-
SFO
40h 30m
3 stops
Multiple Airlines Logo
8:10 am - 8:30 pm
SFO
-
CIA
27h 20m
3 stops
$1,139Multiple Airlines
Sun, Jun 21 - Wed, Jul 8
Multiple Airlines Logo
4:35 pm - 1:50 pm
CIA
-
SFO
30h 15m
2 stops
Multiple Airlines Logo
8:05 am - 8:20 pm
SFO
-
CIA
27h 15m
3 stops
$1,147Multiple Airlines
Wed, Jun 10 - Wed, Jun 17

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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 April 28, 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

Cheapest round-trip

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Tue 10/6

9:40 pm-6:41 pm

3 stops30h 01m

San Francisco

Tue 10/13

12:15 pm-9:50 pm

3 stops24h 35m

$983

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Tue 9/22

9:40 pm-3:24 pm

2 stops26h 44m

San Francisco

Tue 1/26

8:30 am-7:25 pm

3 stops25h 55m

$1,044

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Tue 9/22

9:40 pm-3:55 pm

2 stops27h 15m

San Francisco

Mon 1/18

12:00 pm-2:30 pm

2 stops17h 30m

$1,051

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Tue 9/22

9:40 pm-3:24 pm

2 stops26h 44m

San Francisco

Wed 1/27

8:25 am-9:50 pm

3 stops28h 25m

$1,052

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Sat 5/9

9:05 pm-8:50 pm

2 stops32h 45m

San Francisco

Wed 5/13

5:55 pm-9:20 pm

1 stop18h 25m

$1,102

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Tue 10/6

9:40 pm-4:15 pm

2 stops27h 35m

San Francisco

Tue 10/13

12:15 pm-9:50 pm

3 stops24h 35m

$1,109

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Tue 10/6

9:40 pm-12:40 pm

2 stops24h 00m

San Francisco

Tue 10/13

5:55 pm-9:20 pm

1 stop18h 25m

$1,124
Quickest round-trip

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Thu 6/18

6:00 am-3:50 pm

2 stops18h 50m

San Francisco

Wed 6/24

5:40 pm-8:20 pm

2 stops17h 40m

$1,125

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Sun 6/21

6:35 am-2:05 pm

3 stops40h 30m

San Francisco

Wed 7/8

8:10 am-8:30 pm

3 stops27h 20m

$1,139

RomeSan Francisco

CIA - SFO

CIASFO

Rome Ciampino

Wed 6/10

4:35 pm-1:50 pm

2 stops30h 15m

San Francisco

Wed 6/17

8:05 am-8:20 pm

3 stops27h 15m

$1,147

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 Friday when prices can be found for as low as $722. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $991.

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 $720. Flights in the afternoon are often more expensive with an average ticket price of $900.

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

23h 42m

Direct flights

None
The fastest flight from Rome Ciampino Airport to San Francisco takes 23h 42m
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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Frequently asked questions about flying from Rome Ciampino Airport to San Francisco

  • How far is Rome Ciampino to San Francisco by plane?

    The straight-line distance from Rome Ciampino to San Francisco is 6246.8 mi. By plane, this route typically takes 23h 42m.

  • 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
Walnut Creek
Roseville
Hayward
Berkeley
Santa Clara
Vallejo
Fremont
Big Sur
Calistoga
Daly City
South San Francisco
Pacific Grove
Sunnyvale
Salinas
Milpitas

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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