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$372+ Cheap flights from Rome (ROM) to San Diego (SAN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
ROM — SAN
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Rome to San Diego

Cheapest flights from Rome to San Diego
Explore the most affordable flight options available from Rome to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:30 amFCO - SAN
2 stops35h 32mUnited Airlines
Tue 1/67:00 amSAN - FCO
2 stops22h 00mUnited Airlines
Deal found 12/16$928
This Cathay Pacific deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:50 pmFCO - SAN
3 stops36h 39mMultiple Airlines
Tue 1/65:17 pmSAN - FCO
3 stops43h 38mMultiple Airlines
Deal found 12/16$14,055

Find flight deals from Rome to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Rome (ROM) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$824
(Booking.com)

One-way from

$372
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$953
Provider with most accurate pricing for Rome (ROM)-San Diego flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rome (ROM)-San Diego flights.
Search Deals
From Rome (ROM) to San Diego
Search Deals
One-way flight from Rome (ROM) to San Diego
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Rome to San Diego that are best for you.

Fly from

Rome

Fly to

San Diego

Route

Depart

Return

Price

RomeSan Diego

FCO - SAN

FCOSAN

Rome Fiumicino

Fri 1/16

10:15 am-7:46 pm

1 stop18h 31m

San Diego

Wed 1/21

7:51 am-11:45 am

1 stop18h 54m

$825

RomeSan Diego

FCO - SAN

FCOSAN

Rome Fiumicino

Fri 1/30

10:15 am-7:46 pm

1 stop18h 31m

San Diego

Fri 2/6

7:51 am-11:45 am

1 stop18h 54m

$837

RomeSan Diego

FCO - SAN

FCOSAN

Rome Fiumicino

Mon 3/2

10:05 am-9:29 pm

2 stops44h 24m

San Diego

Sun 3/8

6:35 pm-6:15 pm

1 stop15h 40m

$858

RomeSan Diego

FCO - SAN

FCOSAN

Rome Fiumicino

Fri 1/30

7:05 am-11:53 am

2 stops37h 48m

San Diego

Fri 2/6

12:40 pm-11:05 am

1 stop37h 25m

$861

RomeSan Diego

FCO - SAN

FCOSAN

Rome Fiumicino

Fri 1/16

1:35 pm-11:53 am

2 stops31h 18m

San Diego

Wed 1/21

12:40 pm-6:00 pm

2 stops20h 20m

$866

RomeSan Diego

FCO - SAN

FCOSAN

Rome Fiumicino

Wed 2/18

11:55 am-12:05 am

2 stops45h 10m

San Diego

Sun 2/22

10:37 am-11:05 am

2 stops39h 28m

$875

RomeSan Diego

FCO - SAN

FCOSAN

Rome Fiumicino

Mon 3/2

6:10 am-8:22 pm

2 stops23h 12m

San Diego

Sun 3/8

3:32 pm-7:45 pm

2 stops20h 13m

$883

RomeSan Diego

FCO - SAN

FCOSAN

Rome Fiumicino

Sat 1/31

6:10 am-4:30 pm

2 stops19h 20m

San Diego

Sat 2/7

2:55 pm-5:25 pm

2 stops17h 30m

$883

RomeSan Diego

FCO - SAN

FCOSAN

Rome Fiumicino

Fri 1/16

6:10 am-5:39 pm

2 stops20h 29m

San Diego

Wed 1/21

2:20 pm-10:30 am

1 stop35h 10m

$886

RomeSan Diego

FCO - SAN

FCOSAN

Rome Fiumicino

Sun 1/11

6:10 am-8:22 pm

2 stops23h 12m

San Diego

Sat 1/24

8:05 am-10:30 am

1 stop17h 25m

$887

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 18 results
1
2

Compare providers for flights from Rome to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Rome to San Diego in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Rome-San Diego flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Rome-San Diego flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Rome-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Rome-San Diego flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Rome-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Rome to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Rome with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rome to San Diego

What is the cheapest month to book a flight from Rome to San Diego?

Currently, January is the cheapest month in which you can book a flight from Rome to San Diego (average of $760). Flying from Rome to San Diego in December is currently the most expensive (average of $1,034). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ROM to SAN?

Find hourly flight availability from Rome to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 7% on flights from Rome to San Diego by exploring options for tickets in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Rome to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Diego from Rome?

    Located just 2.6 mi from the city center, San Diego is the airport most travelers will use when flying to San Diego from Rome. Booking flights from Rome to San Diego (SAN) should be relatively easy as there are 0 daily inbound flights from Rome from 0 different airlines.

  • How long is the flight from Rome to San Diego?

    Departing from Rome to San Diego will take you 37h 48m. The distance between Rome and San Diego is about 6365 mi.

  • What are the cheapest airlines to fly from Rome to San Diego one-way?

    $550 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Aer Lingus and Lufthansa, with prices starting from $586 and $756, respectively.

  • Can I find deals for flights from Rome to San Diego that include hotel bookings?

    Yes. In addition to deals on Rome to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rome to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rome to San Diego.

  • Can I find deals for business class flights from Rome to San Diego?

    Yes. Cheapflights offers flight deals from Rome to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Rome to San Diego?

    Currently, January is the cheapest month in which you can book a flight from Rome to San Diego (average of $760). Flying from Rome to San Diego in December is currently the most expensive (average of $1,034). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
Coronado
National City
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Julian
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