How does KAYAK find such low prices on flights from California to Rome?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Rome.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Rome?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Rome from California is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from California to Rome?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Rome with an airline and back to California with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to Rome?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Rome from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$314 CHEAP FLIGHTS from California to Rome

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Cheap Flights from California to Rome

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from California to Rome

Mon, Mar 22 - Thu, Apr 1

4:50 pm - 12:50 pmSAN San Diego-FCO Rome Fiumicino

36h 00m1 stop Seattle/Tacoma Intl

3:15 pm - 12:12 amFCO Rome Fiumicino-SAN San Diego

17h 57m1 stop Seattle/Tacoma Intl

$572Alaska Airlines

Sun, Nov 8 - Tue, Nov 24

4:45 pm - 8:55 amSAN San Diego-FCO Rome Fiumicino

31h 10m2 stops Vancouver Intl Toronto Pearson Intl

11:15 am - 4:25 pmFCO Rome Fiumicino-SAN San Diego

38h 10m2 stops Toronto Pearson Intl Vancouver Intl

$576Air Canada

Sun, Nov 8 - Tue, Nov 24

4:45 pm - 8:55 amSAN San Diego-FCO Rome Fiumicino

31h 10m2 stops Vancouver Intl Toronto Pearson Intl

11:15 am - 12:00 pmFCO Rome Fiumicino-SAN San Diego

33h 45m1 stop Toronto Pearson Intl

$577Air Canada

Sat, Oct 24 - Fri, Nov 6

6:00 pm - 7:55 amSMF Sacramento Intl-FCO Rome Fiumicino

53h 55m2 stops Vancouver Intl Toronto Pearson Intl

1:55 pm - 10:29 pmFCO Rome Fiumicino-SMF Sacramento Intl

17h 34m1 stop Denver Intl

$597Multiple Airlines

Sun, Nov 8 - Tue, Nov 17

6:45 am - 11:55 amSAN San Diego-FCO Rome Fiumicino

20h 10m1 stop Denver Intl

11:15 am - 11:27 amFCO Rome Fiumicino-SAN San Diego

33h 12m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$601United Airlines

Wed, Feb 3 - Wed, Mar 24

8:35 am - 8:30 amSAN San Diego-FCO Rome Fiumicino

14h 55m1 stop Washington, D.C. Dulles Intl

12:50 pm - 7:49 pmFCO Rome Fiumicino-SAN San Diego

38h 59m2 stops Montreal Pierre Elliott Trudeau Intl Los Angeles

$601United Airlines

Sun, Nov 8 - Tue, Nov 24

6:45 am - 11:55 amSAN San Diego-FCO Rome Fiumicino

20h 10m1 stop Denver Intl

1:55 pm - 12:19 amFCO Rome Fiumicino-SAN San Diego

19h 24m2 stops Denver Intl San Francisco

$601Lufthansa

Sun, Nov 8 - Tue, Nov 24

6:45 am - 11:55 amSAN San Diego-FCO Rome Fiumicino

20h 10m1 stop Denver Intl

1:55 pm - 8:36 pmFCO Rome Fiumicino-SAN San Diego

15h 41m1 stop Denver Intl

$601Lufthansa

Wed, Feb 17 - Wed, Mar 3

12:00 pm - 11:20 amONT Ontario-FCO Rome Fiumicino

14h 20m1 stop Atlanta Hartsfield-Jackson

1:30 pm - 10:14 pmFCO Rome Fiumicino-ONT Ontario

17h 44m1 stop Atlanta Hartsfield-Jackson

$608Multiple Airlines

Mon, Mar 22 - Thu, Mar 25

6:23 pm - 12:50 pmPSP Palm Springs-FCO Rome Fiumicino

34h 27m1 stop Seattle/Tacoma Intl

2:45 pm - 4:23 pmFCO Rome Fiumicino-PSP Palm Springs

33h 38m1 stop Seattle/Tacoma Intl

$758Alaska Airlines

Recent last minute flight deals from California to Rome

Wed, Sep 30 - Thu, Nov 5

11:40 am - 11:00 amLAX Los Angeles-FCO Rome Fiumicino

14h 20m1 stop Detroit Metropolitan Wayne County

10:10 am - 10:35 pmFCO Rome Fiumicino-LAX Los Angeles

21h 25m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$680Delta

Tue, Sep 29 - Wed, Dec 2

10:00 am - 1:55 pmLAX Los Angeles-FCO Rome Fiumicino

18h 55m2 stops New York John F Kennedy Intl Madrid Barajas

4:20 pm - 3:20 pmFCO Rome Fiumicino-LAX Los Angeles

32h 00m2 stops Madrid Barajas London Heathrow

$683Iberia

Tue, Sep 29 - Tue, Oct 13

8:10 pm - 7:55 pmLAX Los Angeles-FCO Rome Fiumicino

14h 45m1 stop Dublin

7:30 am - 6:25 pmFCO Rome Fiumicino-LAX Los Angeles

19h 55m1 stop Dublin

$683Aer Lingus

Tue, Sep 29 - Tue, Oct 13

8:10 pm - 7:55 pmLAX Los Angeles-FCO Rome Fiumicino

14h 45m1 stop Dublin

7:30 am - 6:25 pmFCO Rome Fiumicino-LAX Los Angeles

19h 55m1 stop Dublin

$687Aer Lingus

Sun, Sep 27 - Mon, Oct 5

10:20 am - 11:50 pmLAX Los Angeles-FCO Rome Fiumicino

28h 30m2 stops Casablanca Mohamed V Barcelona-El Prat

4:20 pm - 8:20 amFCO Rome Fiumicino-LAX Los Angeles

25h 00m2 stops Barcelona-El Prat Casablanca Mohamed V

$688Multiple Airlines

Sun, Sep 27 - Wed, Nov 18

3:15 pm - 11:55 amLAX Los Angeles-FCO Rome Fiumicino

11h 40mnonstop

9:10 am - 1:30 pmFCO Rome Fiumicino-LAX Los Angeles

13h 20mnonstop

$689ITA Airways

Tue, Sep 29 - Wed, Nov 18

3:15 pm - 11:55 amLAX Los Angeles-FCO Rome Fiumicino

11h 40mnonstop

9:10 am - 1:30 pmFCO Rome Fiumicino-LAX Los Angeles

13h 20mnonstop

$689ITA Airways

Fri, Sep 25 - Mon, Oct 5

10:20 am - 10:30 pmLAX Los Angeles-FCO Rome Fiumicino

27h 10m2 stops Casablanca Mohamed V Barcelona-El Prat

6:25 am - 8:20 amFCO Rome Fiumicino-LAX Los Angeles

34h 55m2 stops Barcelona-El Prat Casablanca Mohamed V

$691Multiple Airlines

Sat, Sep 26 - Fri, Oct 9

9:45 pm - 7:35 amLAX Los Angeles-FCO Rome Fiumicino

24h 50m1 stop Atlanta Hartsfield-Jackson

2:45 pm - 11:55 pmFCO Rome Fiumicino-LAX Los Angeles

18h 10m1 stop Minneapolis St Paul

$706Delta

Tue, Sep 29 - Tue, Oct 6

10:00 am - 1:55 pmLAX Los Angeles-FCO Rome Fiumicino

18h 55m2 stops New York John F Kennedy Intl Madrid Barajas

12:15 pm - 10:54 pmFCO Rome Fiumicino-LAX Los Angeles

19h 39m1 stop Philadelphia

$715Iberia

Useful Info

Low season	January
High season	June
Cheapest flight	$314

Best time to beat the crowds with an average 27% drop in price.

Most popular time to fly with an average 39% increase in price.

Flight from Ontario to Rome

TonyFlew with ITA Airways-Jun 2026

Get there early, at least 3hrs. so you can have a relaxed experience.

Verified travelerFlew with ITA Airways-Jul 2024

Pack light as they only allow one carry-on weighing 17 lbs or less. Economy seats are typical in that they are smaller with not much leg room and only tilt back to 120 degrees

How does KAYAK find such low prices on flights from California to Rome?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Rome.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Rome?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Rome from California is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from California to Rome?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Rome with an airline and back to California with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to Rome?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Rome from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Fiumicino

Orvieto

Montepulciano

Gaeta

Cortona

Pienza

Sperlonga

Cassino

Ciampino

Tivoli

Ascoli Piceno

Terracina

Porto Ercole

Frascati

Grosseto

Chianciano Terme

Saturnia

Sabaudia

Ladispoli

Anzio

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$314 Find Cheap Flights from California to Rome - Compare and Save

Cheap Flights from California to Rome

Recent round-trip flight deals from California to Rome

Recent one-way flight deals from California to Rome

Recent last minute flight deals from California to Rome

Recent direct flight deals from California to Rome

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Flights from California to Rome: the best tips from KAYAK users

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