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Flights from Rome to Ontario
There are no direct flights from Rome to Ontario. The fastest way is one stop via Denver or Dallas, about 14h 53m door to door (60 connections a week on current schedules).
No direct flights · 6 connection options From 14h 53m
Rome to Ontario at a glance
Fastest journey14h 53mVia Denver, on current schedules
Nonstop flightsNoneConnect via Denver or Dallas
Best ways to fly from Rome to Ontario
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
ROM Denver (DEN) ONT
Leg 1: United Airlines · Leg 2: Frontier Airlines, Southwest Airlines, United Airlines
Mon15:00 ROM18:04 DEN1h 41m connection19:45 DEN20:53 ONTUnited Airlines
2Search
ROM Dallas (DFW) ONT
Leg 1: American Airlines · Leg 2: American Airlines, Frontier Airlines
Sat14:00 ROM18:25 DFW0h 50m connection19:15 DFW20:04 ONTAmerican Airlines
3Search
ROM Atlanta (ATL) ONT
Leg 1: Delta Air Lines, Ethiopian Airlines · Leg 2: Delta Air Lines
Thu15:15 ROM19:41 ATL0h 49m connection20:30 ATL21:40 ONTDelta Air Lines
4Search
ROM Seattle (SEA) ONT
Leg 1: Alaska Airlines, Delta Air Lines · Leg 2: Alaska Airlines, Frontier Airlines, SkyWest
Mon13:00 ROM15:31 SEA2h 59m connection18:30 SEA20:57 ONTDelta Air Lines + Alaska Airlines
5Search
ROM San Francisco (SFO) ONT
Leg 1: ITA Airways, United Airlines · Leg 2: Frontier Airlines, United Airlines
Thu10:15 ROM13:59 SFO3h 01m connection17:00 SFO18:15 ONTITA Airways + United Airlines
6Search
ROM Chicago (ORD) ONT
Leg 1: American Airlines, ITA Airways, United Airlines · Leg 2: United Airlines, Volaris
Mon12:45 ROM15:40 ORD4h 50m connection20:30 ORD22:26 ONTAmerican Airlines + United Airlines
Connections are computed from flights actually flown over the last 8 weeks, with at least 45 minutes to change on one airline and 2 hours on separate tickets. Times are local. The search shows live itineraries and exact times.
Good to know
- Distance
- 10,159 km6,309 miles
- Journey time
- 14h 53mon current schedules
- Time difference
- -9hOntario vs Rome
- Currency in Ontario
- USD
- Airports
- FCO, CIA → ONT
Flights from Rome to Ontario: questions answered
Are there direct flights from Rome to Ontario?
No. There is no nonstop service, so you will connect, most easily in Denver, Dallas and Atlanta. Some connections are on one airline or alliance, so your bags and connection are protected on a single ticket.
How long is the flight from Rome to Ontario?
With one connection the journey usually takes around 14h 53m, depending on the layover. The straight-line distance is 10,159 km.
Where do you change planes between Rome and Ontario?
The best connecting points are Denver (DEN), Dallas (DFW), Atlanta (ATL) and Seattle (SEA). United Airlines flies both legs via Denver, so you can book it as one ticket.
Which airports serve Rome and Ontario?
Rome: Rome–Fiumicino Leonardo da Vinci International Airport (FCO) and Ciampino–G. B. Pastine International Airport (CIA). Ontario: Ontario International Airport (ONT).
What is the time difference between Rome and Ontario?
Ontario is 9 hours behind Rome.
