Top flight deals from leading airlines:
... and +100s more
Incredible Deals
Save up to 50% on select flights with Priceline
Bundle & Save
Save an average of $240 per person when bundling your flight and hotel together with Priceline
Best Price Guarantee
If a VIP member finds a better price elsewhere, we'll refund up to 200% of the difference
Help 24/7
We’re always here for you - reach us 24 hours a day, 7 days a week
BUNDLE & SAVE
Book a flight & hotel together for extra savings.
On average save $240 per traveler
11/04/25
10:59pm
ONT
32h 56m
ATL
11/06/25
7:55am
FCO
11/14/25
6:10am
FCO
5h 35m
AMS
11/14/25
11:45am
ONT
$518
Free cancellation within 83 hours of booking
11/24/25
5:01pm
ONT
26h 14m
PHX
LHR
11/25/25
7:15pm
FCO
12/02/25
8:10pm
FCO
19h 10m
LHR
12/03/25
3:20pm
ONT
$540
Free cancellation within 83 hours of booking
11/04/25
10:59pm
ONT
32h 56m
ATL
11/06/25
7:55am
FCO
11/14/25
6:10am
FCO
5h 35m
AMS
11/14/25
11:45am
ONT
$544
Free cancellation within 83 hours of booking
11/04/25
5:01pm
ONT
43h 29m
PHX
LHR
11/06/25
12:30pm
FCO
11/18/25
3:30pm
FCO
17h 51m
LHR
JFK
11/19/25
9:21am
ONT
$545
Free cancellation within 83 hours of booking
11/24/25
5:01pm
ONT
26h 14m
PHX
LHR
11/25/25
7:15pm
FCO
12/02/25
8:10pm
FCO
21h 37m
LHR
DFW
12/03/25
5:47pm
ONT
$550
Free cancellation within 83 hours of booking
11/04/25
12:00pm
ONT
43h 55m
ATL
11/06/25
7:55am
FCO
11/14/25
6:10am
FCO
5h 35m
AMS
11/14/25
11:45am
ONT
$555
Free cancellation within 83 hours of booking
11/04/25
1:55pm
ONT
28h
SFO
FRA
11/05/25
5:55pm
FCO
11/14/25
12:15pm
FCO
29h 16m
YUL
DEN
11/15/25
5:31pm
ONT
$560
Free cancellation within 83 hours of booking
11/13/25
7:00am
ONT
24h 45m
ORD
11/14/25
7:45am
FCO
11/20/25
1:30pm
FCO
20h 51m
FRA
YYZ
11/21/25
10:21am
ONT
$560
Free cancellation within 83 hours of booking
11/10/25
6:02am
ONT
35h 53m
IAH
FRA
11/11/25
5:55pm
FCO
11/18/25
7:05am
FCO
14h 22m
FRA
SFO
11/18/25
9:27pm
ONT
$569
Free cancellation within 83 hours of booking
11/13/25
6:02am
ONT
35h 53m
IAH
FRA
11/14/25
5:55pm
FCO
11/20/25
1:30pm
FCO
20h 51m
FRA
YYZ
11/21/25
10:21am
ONT
$583
Free cancellation within 83 hours of booking
11/04/25
10:59pm
ONT
32h 56m
ATL
11/06/25
7:55am
FCO
11/14/25
8:00pm
FCO
20h 20m
AMS
SLC
11/15/25
4:20pm
ONT
$600
Free cancellation within 83 hours of booking
11/29/25
11:00am
ONT
26h 30m
DFW
LHR
11/30/25
1:30pm
FCO
12/10/25
7:50am
FCO
13h 47m
LHR
PHX
12/10/25
9:37pm
ONT
$600
Free cancellation within 83 hours of booking
11/07/25
6:02am
ONT
35h 53m
IAH
FRA
11/08/25
5:55pm
FCO
11/14/25
7:05am
FCO
15h 21m
FRA
ORD
11/14/25
10:26pm
ONT
$606
Free cancellation within 83 hours of booking
11/07/25
12:53pm
ONT
29h 7m
DFW
LHR
11/08/25
6:00pm
FCO
11/15/25
7:30am
FCO
30h 12m
MAD
DFW
11/16/25
1:42pm
ONT
$637
Free cancellation within 83 hours of booking
11/06/25
10:59pm
ONT
32h 56m
ATL
11/08/25
7:55am
FCO
11/21/25
10:05am
FCO
8h 35m
CDG
11/21/25
6:40pm
ONT
$684
Free cancellation within 83 hours of booking
11/06/25
6:02am
ONT
50h 48m
IAH
FRA
11/08/25
8:50am
FCO
11/21/25
12:15pm
FCO
9h 17m
YUL
11/21/25
9:32pm
ONT
$689
Free cancellation within 83 hours of booking
12/02/25
1:31pm
ONT
30h 4m
PHX
LHR
12/03/25
7:35pm
FCO
12/10/25
1:10pm
FCO
22h 31m
PHL
PHX
12/11/25
11:41am
ONT
$717
Free cancellation within 83 hours of booking
11/12/25
11:00am
ONT
31h 10m
DFW
MAD
11/13/25
6:10pm
FCO
11/19/25
10:45am
FCO
14h 4m
HEL
JFK
11/20/25
12:49am
ONT
$718
Free cancellation within 83 hours of booking
12/02/25
6:47am
ONT
26h 13m
PHX
PHL
12/03/25
9:00am
FCO
12/10/25
1:10pm
FCO
22h 31m
PHL
PHX
12/11/25
11:41am
ONT
$729
Free cancellation within 83 hours of booking
11/29/25
11:00am
ONT
26h 30m
DFW
LHR
11/30/25
1:30pm
FCO
12/10/25
6:40pm
FCO
20h 40m
HEL
LHR
12/11/25
3:20pm
ONT
$772
Free cancellation within 83 hours of booking
11/07/25
12:53pm
ONT
29h 7m
DFW
LHR
11/08/25
6:00pm
FCO
11/15/25
7:30am
FCO
16h 15m
MAD
DFW
11/15/25
11:45pm
ONT
$802
Free cancellation within 83 hours of booking
11/07/25
8:46am
ONT
27h 39m
DFW
LHR
11/08/25
12:25pm
FCO
11/15/25
7:30am
FCO
16h 15m
MAD
DFW
11/15/25
11:45pm
ONT
$808
Free cancellation within 83 hours of booking
11/20/25
5:01pm
ONT
26h 14m
PHX
LHR
11/21/25
7:15pm
FCO
12/01/25
6:40pm
FCO
20h 40m
HEL
LHR
12/02/25
3:20pm
ONT
$906
Free cancellation within 83 hours of booking
12/02/25
1:00pm
ONT
43h 30m
AUS
IAD
12/04/25
8:30am
FCO
12/10/25
6:50pm
FCO
26h 31m
FRA
IAH
12/11/25
9:21pm
ONT
$1053
Free cancellation within 83 hours of booking
11/07/25
7:00am
ONT
24h 45m
ORD
11/08/25
7:45am
FCO
11/15/25
9:55am
FCO
10h 22m
IAD
DEN
11/15/25
8:17pm
ONT
$1071
Free cancellation within 83 hours of booking
11/07/25
1:31pm
ONT
43h 29m
PHX
PHL
11/09/25
9:00am
FCO
11/15/25
7:30am
FCO
12h 41m
MAD
CLT
11/15/25
8:11pm
ONT
$1148
Free cancellation within 83 hours of booking
11/15/25
1:00pm
ONT
43h 30m
AUS
IAD
11/17/25
8:30am
FCO
11/29/25
1:20pm
FCO
9h 15m
MUC
SFO
11/29/25
10:35pm
ONT
$1320
Free cancellation within 83 hours of booking
11/15/25
7:00am
ONT
24h 45m
ORD
11/16/25
7:45am
FCO
11/29/25
1:20pm
FCO
9h 15m
MUC
SFO
11/29/25
10:35pm
ONT
$1366
Free cancellation within 83 hours of booking
11/07/25
12:53pm
ONT
29h 7m
DFW
LHR
11/08/25
6:00pm
FCO
11/15/25
7:30am
FCO
12h 41m
MAD
CLT
11/15/25
8:11pm
ONT
$1927
Free cancellation within 83 hours of booking
11/15/25
6:00am
ONT
30h 15m
SFO
11/16/25
12:15pm
FCO
11/29/25
9:15am
FCO
13h 20m
SFO
11/29/25
10:35pm
ONT
$5061
Free cancellation within 83 hours of booking
Top Deals on flights from Ontario International Airport to Rome
Los Angeles, US (LAX) - Rome, IT (ROM)
Apr 21
1:20pm
ONT
24h
SFO
Apr 22
1:20pm
FCO
as low as
$520
Los Angeles, US (LAX) - Rome, IT (ROM)
May 11
1:20pm
ONT
23h
DEN
May 12
12:20pm
FCO
as low as
$520
Los Angeles, US (LAX) - Rome, IT (ROM)
May 4
10:15pm
ONT
33h 20m
ATL
May 6
7:35am
FCO
as low as
$520
Los Angeles, US (LAX) - Rome, IT (ROM)
Apr 22
11:59pm
ONT
32h 6m
DFW
Apr 24
8:05am
FCO
as low as
$534
Los Angeles, US (LAX) - Rome, IT (ROM)
May 4
2:44pm
ONT
32h 6m
DFW
LHR
May 5
10:50pm
FCO
as low as
$538
Los Angeles, US (LAX) - Rome, IT (ROM)
Apr 29
6:10am
ONT
30h 20m
IAH
FRA
Apr 30
12:30pm
FCO
as low as
$543
Los Angeles, US (LAX) - Rome, IT (ROM)
Apr 18
4:35pm
ONT
30h
PHX
LHR
Apr 19
10:35pm
FCO
as low as
$598
Los Angeles, US (LAX) - Rome, IT (ROM)
Apr 25
7:00am
ONT
24h 35m
ATL
Apr 26
7:35am
FCO
as low as
$606
Los Angeles, US (LAX) - Rome, IT (ROM)
May 10
11:59pm
ONT
33h 51m
DFW
CLT
May 12
9:50am
FCO
as low as
$620
Los Angeles, US (LAX) - Rome, IT (ROM)
Apr 29
7:00am
ONT
25h 5m
DFW
Apr 30
8:05am
FCO
as low as
$634
Los Angeles, US (LAX) - Rome, IT (ROM)
Apr 19
6:00am
ONT
49h 35m
SLC
ATL
Apr 21
7:35am
FCO
as low as
$803
Los Angeles, US (LAX) - Rome, IT (ROM)
May 17
10:59pm
ONT
32h 6m
JFK
May 19
7:05am
FCO
as low as
$807
Flights to Rome
Return flights
Flights From Rome To Ontario International AirportBrowse origins
- Flights
- North America
- United States
- California
- Los Angeles
- Ontario International Airport
Browse destinations
- Flights
- Europe
- Italy
- Rome
Top Flight Routes Destinations
Flights To SingaporeFlights To ViennaFlights To MumbaiFlights To AthensFlights To BarcelonaFlights To MalagaFlights To CairoFlights To OsakaFlights To KrakowFlights To Buenos AiresFlights To SydneyFlights To VeniceFlights To San JoseFlights To LondonFlights To MadridFlights To Frankfurt Am MainFlights To BengaluruFlights To CopenhagenFlights To NairobiFlights To ShanghaiFlights To ZurichFlights To Ho Chi Minh CityFlights To LisbonFlights To DublinFlights To MilanFlights To BrusselsFlights To ManilaFlights To BudapestFlights To BangkokFlights To Rome
Priceline is part of Booking Holdings, the world leader in online travel & related services.
