Cheap flights from Rome to San Diego from $354

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 to San Diego departing on 5/4. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
1:10 pm - 6:50 pm
FCO
-
SAN
38h 40m1 stop
British Airways Logo
6:00 pm - 10:25 am
SAN
-
FCO
31h 25m1 stop
$645British Airways
Fri, Feb 13 - Tue, Feb 17
British Airways Logo
1:10 pm - 9:58 pm
FCO
-
SAN
17h 48m1 stop
British Airways Logo
6:00 pm - 9:55 pm
SAN
-
FCO
18h 55m1 stop
$646British Airways
Fri, Feb 13 - Tue, Feb 17
British Airways Logo
8:10 pm - 4:10 pm
FCO
-
SAN
29h 00m1 stop
British Airways Logo
6:00 pm - 7:55 pm
SAN
-
FCO
16h 55m1 stop
$650British Airways
Thu, Jan 15 - Sun, Jan 18
Multiple Airlines Logo
6:40 pm - 6:14 pm
FCO
-
SAN
32h 34m2 stops
Multiple Airlines Logo
6:00 pm - 9:55 pm
SAN
-
FCO
18h 55m1 stop
$654Multiple Airlines
Fri, Feb 13 - Tue, Feb 17
American Airlines Logo
1:10 pm - 11:52 am
FCO
-
SAN
31h 42m1 stop
American Airlines Logo
6:00 pm - 7:55 pm
SAN
-
FCO
16h 55m1 stop
$659American Airlines
Wed, Feb 18 - Sun, Feb 22
British Airways Logo
1:10 pm - 9:58 pm
FCO
-
SAN
17h 48m1 stop
British Airways Logo
2:46 pm - 7:40 pm
SAN
-
FCO
19h 54m2 stops
$661British Airways
Fri, Feb 13 - Tue, Feb 17
British Airways Logo
11:05 am - 7:02 pm
FCO
-
SAN
16h 57m1 stop
British Airways Logo
7:40 pm - 11:05 pm
SAN
-
FCO
18h 25m1 stop
$662British Airways
Thu, May 21 - Wed, Jun 3
British Airways Logo
7:40 am - 4:10 pm
FCO
-
SAN
17h 30m1 stop
British Airways Logo
1:19 pm - 4:55 pm
SAN
-
FCO
18h 36m2 stops
$665British Airways
Thu, Jan 15 - Sun, Jan 18
American Airlines Logo
8:20 pm - 9:59 am
FCO
-
SAN
22h 39m2 stops
American Airlines Logo
2:26 pm - 7:55 pm
SAN
-
FCO
20h 29m2 stops
$667American Airlines
Wed, Feb 18 - Sun, Feb 22
Multiple Airlines Logo
6:40 pm - 7:12 pm
FCO
-
SAN
33h 32m2 stops
Multiple Airlines Logo
8:25 am - 5:55 pm
SAN
-
FCO
24h 30m2 stops
$668Multiple Airlines
Sun, Jan 25 - Sun, Feb 1

British Airways flights from Rome to San Diego

Our best British Airways deals on Rome to San Diego flight tickets
British Airways
Feb 13
FCO1:10 pmRome Fiumicino
38h 40m
1 stop
SAN6:50 pmSan Diego
Feb 17
SAN6:00 pmSan Diego
31h 25m
1 stop
FCO10:25 amRome Fiumicino
British Airways
Feb 13
FCO1:10 pmRome Fiumicino
17h 48m
1 stop
SAN9:58 pmSan Diego
Feb 17
SAN6:00 pmSan Diego
18h 55m
1 stop
FCO9:55 pmRome Fiumicino
British Airways
Jan 15
FCO8:10 pmRome Fiumicino
29h 00m
1 stop
SAN4:10 pmSan Diego
Jan 18
SAN6:00 pmSan Diego
16h 55m
1 stop
FCO7:55 pmRome Fiumicino

American Airlines flights from Rome to San Diego

Our best American Airlines deals on Rome to San Diego flight tickets
American Airlines
Feb 18
FCO1:10 pmRome Fiumicino
31h 42m
1 stop
SAN11:52 amSan Diego
Feb 22
SAN6:00 pmSan Diego
16h 55m
1 stop
FCO7:55 pmRome Fiumicino
American Airlines
Feb 18
FCO8:20 pmRome Fiumicino
22h 39m
2 stops
SAN9:59 amSan Diego
Feb 22
SAN2:26 pmSan Diego
20h 29m
2 stops
FCO7:55 pmRome Fiumicino
American Airlines
Apr 23
FCO11:05 amRome Fiumicino
19h 48m
2 stops
SAN9:53 pmSan Diego
May 2
SAN9:20 amSan Diego
17h 45m
1 stop
FCO12:05 pmRome Fiumicino

momondo Fare Finder

 
Customize your flight search to find flights from Rome to San Diego 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 December 22, 2025.
Use the filters below to find and compare flights from Rome to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

RomeSan Diego

FCO - SAN

FCOSAN

Rome Fiumicino

Fri 2/13

1:10 pm-6:50 pm

1 stop38h 40m

San Diego

Tue 2/17

6:00 pm-10:25 am

1 stop31h 25m

$645

RomeSan Diego

FCO - SAN

FCOSAN

Rome Fiumicino

Fri 2/13

1:10 pm-9:58 pm

1 stop17h 48m

San Diego

Tue 2/17

6:00 pm-9:55 pm

1 stop18h 55m

$646

RomeSan Diego

FCO - SAN

FCOSAN

Rome Fiumicino

Thu 1/15

8:10 pm-4:10 pm

1 stop29h 00m

San Diego

Sun 1/18

6:00 pm-7:55 pm

1 stop16h 55m

$650

RomeSan Diego

FCO - SAN

FCOSAN

Rome Fiumicino

Fri 2/13

6:40 pm-6:14 pm

2 stops32h 34m

San Diego

Tue 2/17

6:00 pm-9:55 pm

1 stop18h 55m

$654

RomeSan Diego

FCO - SAN

FCOSAN

Rome Fiumicino

Wed 2/18

1:10 pm-11:52 am

1 stop31h 42m

San Diego

Sun 2/22

6:00 pm-7:55 pm

1 stop16h 55m

$659

RomeSan Diego

FCO - SAN

FCOSAN

Rome Fiumicino

Fri 2/13

1:10 pm-9:58 pm

1 stop17h 48m

San Diego

Tue 2/17

2:46 pm-7:40 pm

2 stops19h 54m

$661

RomeSan Diego

FCO - SAN

FCOSAN

Rome Fiumicino

Thu 5/21

11:05 am-7:02 pm

1 stop16h 57m

San Diego

Wed 6/3

7:40 pm-11:05 pm

1 stop18h 25m

$662

RomeSan Diego

FCO - SAN

FCOSAN

Rome Fiumicino

Thu 1/15

7:40 am-4:10 pm

1 stop17h 30m

San Diego

Sun 1/18

1:19 pm-4:55 pm

2 stops18h 36m

$665

RomeSan Diego

FCO - SAN

FCOSAN

Rome Fiumicino

Wed 2/18

8:20 pm-9:59 am

2 stops22h 39m

San Diego

Sun 2/22

2:26 pm-7:55 pm

2 stops20h 29m

$667

RomeSan Diego

FCO - SAN

FCOSAN

Rome Fiumicino

Sun 1/25

6:40 pm-7:12 pm

2 stops33h 32m

San Diego

Sun 2/1

8:25 am-5:55 pm

2 stops24h 30m

$668

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 Diego from

How to get the cheapest flight ticket from Rome to San Diego

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 month to fly to San Diego?

If you are unable to visit San Diego during the month of October, then departing from Rome during the month March is also very affordable. Most momondo users find prices during this month for around $760.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Rome to San Diego is on a Saturday. Travelers who choose to depart for San Diego on a Saturday will often find tickets for as low as $860. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,063. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

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

The cheapest time of day to fly to San Diego is in the afternoon when flights can be purchased for as low as $879. Flights at noon are often more expensive with an average ticket price of $983.

Can stopping save me money on Rome to San Diego flights?

You could potentially save up to 22% on your flight if you consider stops on a Rome to San Diego flight.

How have Rome to San Diego flight prices changed over time?

As of December 2025, prices for Rome to San Diego flights are approximately 14% cheaper when compared to flights at the same time last year.

When to book flights from Rome to San Diego

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

Cheap Rome to San Diego (ROM to SAN) flight deals and tips

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

Fastest flight time

17h 30m

Direct flights

None
The fastest flight from Rome to San Diego takes 17h 30m
There are no direct flights from Rome to San Diego. There are no popular flight routes from Rome to San Diego.
  • How far is Rome to San Diego by plane?

    The straight-line distance from Rome to San Diego is 6366.7 mi. A reasonable flight in good conditions will take 17h 30m.

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

    Prices for flights from Rome to San Diego Airport were last updated today.

  • How old do you have to be to fly from Rome to San Diego Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Rome to San Diego Airport.

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

    The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
Poway
National City
Borrego Springs
Imperial Beach
La Mesa
San Ysidro
Lemon Grove
Alpine
Santee

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Rome to San Diego. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Rome to San Diego with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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

Of course. momondo tracks the price of Rome to San Diego 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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Wed 1/21
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