Question 1

What is the cheapest flight from Rome Fiumicino Airport to Ontario?

Accepted Answer

In the last 3 days, the lowest price for a flight from Rome Fiumicino Airport to Ontario was $385 for a one-way ticket and $641 for a round-trip. <a href='/flight-routes/Rome-Fiumicino-FCO/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 2

Do I need a passport to fly between Rome and Ontario?

Accepted Answer

Yes, you'll most likely have to show a valid passport before boarding the plane in Rome and on arrival in Ontario. <a href='/flight-routes/Rome-Fiumicino-FCO/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 3

What’s the cheapest day of the week to fly from Rome to Ontario?

Accepted Answer

For Rome to Ontario, Thursday is the cheapest day to fly on average and Wednesday is the most expensive. Flying from Ontario back to Rome, the best deals are generally found on Friday, with Thursday being the most expensive. Visit our flight page for the latest deals!>/a>

Question 4

Which airports will I be using when flying from Rome to Ontario?

Accepted Answer

On your way to Ontario, you’ll fly out from Rome Fiumicino. You’ll be landing at Ontario. <a href='/flight-routes/Rome-Fiumicino-FCO/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 5

Which aircraft models fly most regularly from Rome to Ontario?

Accepted Answer

We unfortunately don’t have that data for this specific route.

Question 6

Which airline alliances offer flights from Rome to Ontario?

Accepted Answer

oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Rome and Ontario, with oneworld being the most commonly used for this route.

Question 7

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

Accepted Answer

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 Rome to Ontario. <a href='/flight-routes/Rome-Fiumicino-FCO/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 8

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

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Rome is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/Rome-Fiumicino-FCO/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 9

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

Accepted Answer

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 Ontario with an airline and back to Rome with another airline. Booking your flights between Rome and ONT can sometimes prove cheaper using this method. <a href='/flight-routes/Rome-Fiumicino-FCO/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 10

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

Accepted Answer

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 Ontario from Rome up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/Rome-Fiumicino-FCO/Ontario-ONT'>Visit our flight page for the latest deals!>/a>

Question 11

Which airlines provide the cheapest flights from Rome to Ontario?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from Rome to Ontario were found on United Airlines ($641) and British Airways ($698).

FCO - ONT

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KAYAK's insights & trends for Rome to Ontario flights

Get data-powered insights and trends into flights from Rome to Ontario to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Rome to Ontario?

For Rome to Ontario, Thursday is the cheapest day to fly on average and Wednesday is the most expensive. Flying from Ontario back to Rome, the best deals are generally found on Friday, with Thursday being the most expensive.

Which airlines provide the cheapest flights from Rome to Ontario?

In the past 3 days, the cheapest round-trip tickets from Rome to Ontario were found on United Airlines ($641) and British Airways ($698).

Good to know

When to book flights from Rome to Ontario

FAQs for booking Rome to Ontario flights

What is the cheapest flight from Rome Fiumicino Airport to Ontario?

In the last 3 days, the lowest price for a flight from Rome Fiumicino Airport to Ontario was $385 for a one-way ticket and $641 for a round-trip.

Do I need a passport to fly between Rome and Ontario?

Yes, you'll most likely have to show a valid passport before boarding the plane in Rome and on arrival in Ontario.

Which airports will I be using when flying from Rome to Ontario?

On your way to Ontario, you’ll fly out from Rome Fiumicino. You’ll be landing at Ontario.

Which aircraft models fly most regularly from Rome to Ontario?

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from Rome to Ontario?

oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Rome and Ontario, with oneworld being the most commonly used for this route.

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

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 Rome to Ontario.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Rome 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 Rome to Ontario?

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 Ontario with an airline and back to Rome with another airline. Booking your flights between Rome and ONT can sometimes prove cheaper using this method.

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

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 Ontario from Rome up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Rome to Ontario

Information on your arrival and departure airports

Cabin class types available on flights to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Find direct flights to and from Rome and Ontario

Flights to other popular destinations

Flights from domestic origins to Ontario

Choose which airport to fly into in Rome

Find deals for your return flight