Captain Cheap
Snowy day at Ontario Beach with pier and welcoming sign, enforcing park rules.

FCOONT

Cheap flights from Rome to Ontario

We track fares from Rome to Ontario, United States every day. Across 71 prices we've logged, the cheapest was €502 return and a typical fare runs around €532. The cheapest month to fly is usually Nov 2026.

Cheapest seen

€502

Typical price

€532

Cheapest month

Nov 2026

Non-stop

With a stop

No live deal on this exact route right now — but the typical fare is around €532. Search your dates below, or browse all deals to United States.

Cheapest months to fly

The typical cheapest fare by month, from our tracking — a guide only. Check the live price on Aviasales before booking.

MonthTypical fromCheck price
Sept 2026€524Check
Oct 2026€505Check
Nov 2026€504Check

Each link opens the live Aviasales search for that month, where you can pick the exact cheapest dates.

Book a flight

Searches Aviasales. We may earn a commission — you pay the same price.

Rome to Ontario: the basics

Route
Rome (FCO) → Ontario (ONT)
Distance
10,150 km
Non-stop
No (with a stop)
Airlines seen
American Airlines, British Airways

Planning the trip? United States: what to see and when to go covers where to go and when.

Where these flights connect

There is no non-stop flight from Rome to Ontario. Based on the airlines that fly this route, connections are usually through New York, London — worth checking when you compare fares.