HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Fiumicino (FCO) to Ontario (ONT) from $658

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
FCO — ONT
Jun 15 — Jun 221
From?
To?
Sat 6/15
Sat 6/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Cheap flight deals from Leonardo da Vinci/Fiumicino to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Leonardo da Vinci/Fiumicino (FCO) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 10, 2024.

Round-trip from

$238
From Rome Fiumicino to Ontario
Search Deals

How far in advance should I book a flight from Rome Fiumicino Airport to Ontario?

Travelers have found it’s best to book a flight 34 days in advance to save up to 54% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 34 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Rome Fiumicino Airport to Ontario 1-2 weeks in advance for as low as $634, or $1,033 for flights within the next 24 hours.

What is the cheapest month to fly from Rome Fiumicino Airport to Ontario?

Our data shows that February tends to be the cheapest month to fly to Ontario from Rome Fiumicino Airport. Users have commonly found prices around $740 for the month, but tickets can be as low as $367. Due to multiple factors, prepare for potentially higher prices in July.

What is the cheapest time of day to fly from FCO to ONT?

When flying from Rome Fiumicino Airport to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Leonardo da Vinci/Fiumicino to Ontario flights in June & July 2024

Find cheap flight options from Leonardo da Vinci/Fiumicino to Ontario specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,020,828 searches. Prices were last updated on June 10, 2024.
Scroll through some of the best deals on flights from Rome to Ontario in 2024. Check back regularly for other flight deals.
Mon 6/1710:10 amFCO - ONT
1 stop17h 47mAmerican Airlines
Tue 7/212:49 pmONT - FCO
1 stop14h 26mAmerican Airlines
Deal found 6/10$854
Mon 6/172:20 pmFCO - ONT
1 stop16h 49mAmerican Airlines
Tue 7/212:49 pmONT - FCO
1 stop14h 26mAmerican Airlines
Deal found 6/10$858
Mon 6/172:20 pmFCO - ONT
1 stop16h 49mAmerican Airlines
Tue 7/210:54 amONT - FCO
1 stop16h 21mAmerican Airlines
Deal found 6/9$859
Mon 7/82:30 pmFCO - ONT
2 stops35h 58mUnited Airlines
Mon 7/151:30 pmONT - FCO
1 stop14h 50mUnited Airlines
Deal found 6/8$881
Mon 7/82:30 pmFCO - ONT
2 stops35h 58mUnited Airlines
Mon 7/151:30 pmONT - FCO
2 stops19h 45mUnited Airlines
Deal found 6/8$884
Mon 6/172:20 pmFCO - ONT
1 stop16h 49mBritish Airways
Tue 7/212:49 pmONT - FCO
1 stop14h 26mBritish Airways
Deal found 6/9$891
Tue 6/255:05 pmFCO - ONT
2 stops38h 54mAmerican Airlines
Sat 6/2911:59 pmONT - FCO
1 stop27h 16mAmerican Airlines
Deal found 6/9$892
Sun 6/162:20 pmFCO - ONT
1 stop16h 49mAmerican Airlines
Sun 6/2310:54 amONT - FCO
1 stop16h 21mAmerican Airlines
Deal found 6/9$896
Thu 6/273:20 pmFCO - ONT
1 stop16h 25mUnited Airlines
Tue 8/131:47 pmONT - FCO
1 stop14h 33mUnited Airlines
Deal found 6/10$897

Leonardo da Vinci/Fiumicino to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Leonardo da Vinci/Fiumicino and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,020,828 searches. Data last updated June 10, 2024.
Scroll through some of the best deals on flights from Rome to Ontario in 2024. Check back regularly for other flight deals.
Wed 9/253:20 pmFCO - ONT
1 stop18h 25mUnited Airlines
Mon 10/710:48 amONT - FCO
1 stop17h 32mUnited Airlines
Deal found 6/10$697
Wed 8/282:20 pmFCO - ONT
1 stop17h 07mAmerican Airlines
Sun 9/111:59 pmONT - FCO
1 stop23h 06mAmerican Airlines
Deal found 6/9$708
Wed 9/258:25 amFCO - ONT
2 stops22h 44mBritish Airways
Mon 10/72:52 pmONT - FCO
2 stops20h 13mBritish Airways
Deal found 6/10$735
Mon 10/2112:10 pmFCO - ONT
1 stop18h 50mAmerican Airlines
Tue 10/293:01 pmONT - FCO
2 stops20h 34mAmerican Airlines
Deal found 6/9$781
Mon 10/218:20 amFCO - ONT
2 stops22h 22mBritish Airways
Tue 10/293:01 pmONT - FCO
2 stops20h 34mBritish Airways
Deal found 6/9$784
Wed 9/412:25 pmFCO - ONT
1 stop17h 15mKLM
Wed 9/2511:28 amONT - FCO
1 stop15h 07mKLM
Deal found 6/9$817
Wed 8/282:20 pmFCO - ONT
1 stop17h 07mBritish Airways
Sun 9/110:46 amONT - FCO
1 stop16h 29mBritish Airways
Deal found 6/9$843
Mon 6/1710:10 amFCO - ONT
1 stop17h 47mAmerican Airlines
Tue 7/212:49 pmONT - FCO
1 stop14h 26mAmerican Airlines
Deal found 6/10$854
Mon 6/172:20 pmFCO - ONT
1 stop16h 49mAmerican Airlines
Tue 7/212:49 pmONT - FCO
1 stop14h 26mAmerican Airlines
Deal found 6/10$858

Leonardo da Vinci/Fiumicino to Ontario flights leaving soon

Find last-minute flight options from Leonardo da Vinci/Fiumicino to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,020,828 searches. Data last updated June 10, 2024.
Have a look at some of the last-minute flights available departing from Rome to Ontario. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Mon 6/1710:10 amFCO - ONT
1 stop17h 47mAmerican Airlines
Tue 7/212:49 pmONT - FCO
1 stop14h 26mAmerican Airlines
Deal found 6/10$854
Mon 6/1710:10 amFCO - ONT
1 stop17h 47mAmerican Airlines
Tue 7/28:10 amONT - FCO
1 stop14h 55mAmerican Airlines
Deal found 6/10$858
Mon 6/172:20 pmFCO - ONT
1 stop16h 49mAmerican Airlines
Tue 7/210:54 amONT - FCO
1 stop16h 21mAmerican Airlines
Deal found 6/9$859
Mon 6/172:20 pmFCO - ONT
1 stop16h 49mBritish Airways
Tue 7/212:49 pmONT - FCO
1 stop14h 26mBritish Airways
Deal found 6/9$891
Sun 6/162:20 pmFCO - ONT
1 stop16h 49mAmerican Airlines
Sun 6/2310:54 amONT - FCO
1 stop16h 21mAmerican Airlines
Deal found 6/9$896
Thu 6/132:20 pmFCO - ONT
1 stop16h 49mBritish Airways
Mon 6/2412:49 pmONT - FCO
1 stop14h 26mBritish Airways
Deal found 6/9$920
Thu 6/1310:10 amFCO - ONT
1 stop17h 47mIberia
Sun 6/238:10 amONT - FCO
1 stop14h 55mIberia
Deal found 6/9$923
Mon 6/172:20 pmFCO - ONT
1 stop16h 49mAmerican Airlines
Tue 7/212:49 pmONT - FCO
1 stop14h 26mAmerican Airlines
Deal found 6/10$924
Thu 6/208:25 amFCO - ONT
2 stops22h 44mBritish Airways
Wed 7/38:10 amONT - FCO
1 stop14h 55mBritish Airways
Deal found 6/9$929

One-way flights to Ontario from Leonardo da Vinci/Fiumicino

Search for one-way flight options from Leonardo da Vinci/Fiumicino to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,020,828 searches. Data last updated June 10, 2024.
Some of the best available deals we've found on one-way flights from Rome to Ontario. Those needing a return flight from Rome to Ontario can use the search form above.
Sat 9/143:30 pmFCO - ONT
2 stops39h 51mMultiple Airlines
Deal found 6/9$658
Sat 10/268:05 pmFCO - ONT
2 stops36h 54mMultiple Airlines
Deal found 6/9$663
Mon 9/97:00 amFCO - ONT
2 stops25h 59mMultiple Airlines
Deal found 6/9$726
Tue 10/17:00 amFCO - ONT
2 stops22h 32mMultiple Airlines
Deal found 6/9$780
Thu 6/277:00 amFCO - ONT
2 stops22h 48mMultiple Airlines
Deal found 6/10$800
Sun 11/106:55 amFCO - ONT
2 stops22h 30mMultiple Airlines
Deal found 6/9$820
Fri 11/156:55 amFCO - ONT
2 stops22h 30mMultiple Airlines
Deal found 6/9$840
Thu 7/117:00 amFCO - ONT
2 stops22h 48mMultiple Airlines
Deal found 6/9$843
Sat 11/166:20 amFCO - ONT
2 stops24h 52mIberia
Deal found 6/9$879

Find flights from Leonardo da Vinci/Fiumicino to Ontario within your budget

Customize your flight search to find flights from Leonardo da Vinci/Fiumicino to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,020,828 searches. Data last updated June 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$697 - $1,257

Route

Depart

Return

Price

Rome FiumicinoOntario

FCO - ONT

FCOONT

Rome Fiumicino

Wed 9/25

1 stop18h 25m

Ontario

Mon 10/7

1 stop17h 32m

$697

Rome FiumicinoOntario

FCO - ONT

FCOONT

Rome Fiumicino

Wed 8/28

1 stop17h 07m

Ontario

Sun 9/1

1 stop23h 06m

$708

Rome FiumicinoOntario

FCO - ONT

FCOONT

Rome Fiumicino

Wed 9/25

2 stops22h 44m

Ontario

Mon 10/7

2 stops20h 13m

$735

Rome FiumicinoOntario

FCO - ONT

FCOONT

Rome Fiumicino

Mon 10/21

1 stop18h 50m

Ontario

Tue 10/29

2 stops20h 34m

$781

Rome FiumicinoOntario

FCO - ONT

FCOONT

Rome Fiumicino

Mon 10/21

2 stops22h 22m

Ontario

Tue 10/29

2 stops20h 34m

$784

Rome FiumicinoOntario

FCO - ONT

FCOONT

Rome Fiumicino

Wed 9/4

1 stop17h 15m

Ontario

Wed 9/25

1 stop15h 07m

$817

Rome FiumicinoOntario

FCO - ONT

FCOONT

Rome Fiumicino

Wed 8/28

2 stops21h 22m

Ontario

Sun 9/1

1 stop16h 30m

$886

Rome FiumicinoOntario

FCO - ONT

FCOONT

Rome Fiumicino

Thu 8/22

1 stop17h 38m

Ontario

Sat 9/21

1 stop36h 14m

$902

Rome FiumicinoOntario

FCO - ONT

FCOONT

Rome Fiumicino

Sun 9/15

1 stop20h 51m

Ontario

Wed 9/25

1 stop22h 39m

$1,257

Flights are sorted by cheapest first

Deals found on 6/10

No data available for this route at this time. Please check back soon.

Best time to book a flight from Leonardo da Vinci/Fiumicino to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Leonardo da Vinci/Fiumicino with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average temperature and rainfall totals by month.

LAX

Temperature

57.2 - 73.4 °F

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated June 10, 2024.
Read through reviews of airlines operating flights from Rome to Ontario, such as United Airlines, KLM and British Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.3
Very good
883 reviews

Food

7.8

Boarding

8.3

Comfort

8.0

Crew

8.6

Overall

8.3

Entertainment

8.1

Reviews

1 / 10

I like how on time are they and the FS are all helpful even they're English language is limited. The food and the entertainment both needs improvement.

China Airlines
8.3
Very good
883 reviews
China Airlines
8.3
Very good
883 reviews

Food

7.8

Boarding

8.3

Comfort

8.0

Crew

8.6

Overall

8.3

Entertainment

8.1

Reviews

1 / 10

I like how on time are they and the FS are all helpful even they're English language is limited. The food and the entertainment both needs improvement.

Delta
8.0
Very good
10,295 reviews
China Airlines
8.3
Very good
883 reviews

Food

7.8

Boarding

8.3

Comfort

8.0

Crew

8.6

Overall

8.3

Entertainment

8.1

Reviews

1 / 10

I like how on time are they and the FS are all helpful even they're English language is limited. The food and the entertainment both needs improvement.

KLM
7.9
Good
1,473 reviews
China Airlines
8.3
Very good
883 reviews

Food

7.8

Boarding

8.3

Comfort

8.0

Crew

8.6

Overall

8.3

Entertainment

8.1

Reviews

1 / 10

I like how on time are they and the FS are all helpful even they're English language is limited. The food and the entertainment both needs improvement.

Avianca
7.4
Good
3,544 reviews
China Airlines
8.3
Very good
883 reviews

Food

7.8

Boarding

8.3

Comfort

8.0

Crew

8.6

Overall

8.3

Entertainment

8.1

Reviews

1 / 10

I like how on time are they and the FS are all helpful even they're English language is limited. The food and the entertainment both needs improvement.

United Airlines
7.4
Good
10,647 reviews
China Airlines
8.3
Very good
883 reviews

Food

7.8

Boarding

8.3

Comfort

8.0

Crew

8.6

Overall

8.3

Entertainment

8.1

Reviews

1 / 10

I like how on time are they and the FS are all helpful even they're English language is limited. The food and the entertainment both needs improvement.

Related info for your journey

Find useful and relevant information for your journey from Leonardo da Vinci/Fiumicino to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ontario from Rome Fiumicino?

    If you book a flight to Ontario from Rome Fiumicino, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 0 flights from Rome Fiumicino to Ontario per day from 0 different airlines.

  • Can I find flights from Rome Fiumicino Airport to Ontario for under $700 on Cheapflights?

    Yes, there are multiple flights from Rome Fiumicino Airport to Ontario for under $700. The cheapest flight booked recently is on United Airlines for just $697, but on average you can expect to pay $846.

  • Are there last-minute flights available from Rome Fiumicino Airport to Ontario for under $900?

    There are currently 20+ open flights from Rome Fiumicino Airport to Ontario within the next 7 days for less than $900.

  • What are the cheapest airlines flying from Rome Fiumicino Airport to Ontario round-trip?

    According to our current data, United Airlines ($697), American Airlines ($708), and British Airways ($735) offers the cheapest pricing from Rome Fiumicino Airport to Ontario.

  • What are the cheapest airlines to fly from Rome Fiumicino Airport to Ontario one-way?

    $879 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on British Airways and American Airlines, with prices starting from $1,050 and $1,054, respectively.

  • What does FCO to ONT mean?

    FCO and ONT are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. FCO to ONT refers to a flight route from Rome Fiumicino Airport to Ontario Airport.

  • Can I find deals for flights from Leonardo da Vinci/Fiumicino to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Leonardo da Vinci/Fiumicino to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Leonardo da Vinci/Fiumicino to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Leonardo da Vinci/Fiumicino to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Leonardo da Vinci/Fiumicino to Ontario that include hotel bookings?

    Yes. In addition to deals on Leonardo da Vinci/Fiumicino to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Leonardo da Vinci/Fiumicino to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Leonardo da Vinci/Fiumicino to Ontario.

  • Can I find deals for business class flights from Leonardo da Vinci/Fiumicino to Ontario?

    Yes. Cheapflights offers flight deals from Leonardo da Vinci/Fiumicino to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Leonardo da Vinci/Fiumicino to Ontario that allow pets onboard?

    Many airlines flying from Leonardo da Vinci/Fiumicino to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Leonardo da Vinci/Fiumicino to Ontario?

    Yes, you can often find last-minute deals on Leonardo da Vinci/Fiumicino to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Rome Fiumicino Airport to Ontario flight deals updated?

    The Rome Fiumicino Airport to Ontario flight deals you see on this page were last updated on 6/10.

  • What is the cheapest month to book a flight from Rome Fiumicino Airport to Ontario?

    Currently, October is the cheapest month in which you can book a flight from Rome Fiumicino Airport to Ontario (average of $238). Flying from Rome Fiumicino Airport to Ontario in July is currently the most expensive (average of $318). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Leonardo da Vinci/Fiumicino to Ontario
See prices for flight routes from nearby airports that may be better suited for you.

Leonardo da Vinci/Fiumicino to San Francisco flights
Leonardo da Vinci/Fiumicino to Los Angeles flights
Leonardo da Vinci/Fiumicino to Las Vegas flights
Leonardo da Vinci/Fiumicino to San Jose flights
Leonardo da Vinci/Fiumicino to Santa Ana flights
Leonardo da Vinci/Fiumicino to Oakland flights
Leonardo da Vinci/Fiumicino to Burbank flights
Leonardo da Vinci/Fiumicino to San Diego flights
Leonardo da Vinci/Fiumicino to Long Beach flights
Leonardo da Vinci/Fiumicino to Sacramento flights
Leonardo da Vinci/Fiumicino to Reno flights
Ciampino to San Francisco flights
Ciampino to Los Angeles flights
Atlanta to Miami flights
Nashville to Boston flights
New York to Atlanta flights
New York to Fort Lauderdale flights
New York to California flights
USA to Prague flights
San Antonio to Las Vegas flights
Detroit to Chicago flights
Dallas to Dubai flights
Dallas to San Francisco flights
Charlotte to Chicago flights
Rome Fiumicino Airport to Porto flights

Search flights from Leonardo da Vinci/Fiumicino to Ontario by cabin class

Find flights from Leonardo da Vinci/Fiumicino to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Gaziantep
Flights to Miyakojima Hirara
Flights to Figari-Sud Corse
Flights to Mason City
Flights to Komatsu
Flights to Sendai
Flights to Rhinelander Oneida County
Flights to Constanţa Mihail Kogalniceanu
Flights to Brainerd Crow Wing County
Flights to Reus
Flights to Virac
Flights to Neiva La Marguita
Flights to Pellston Emmet County
Flights to Urumqi
Flights to Bastia Poretta
Flights to Samos
Flights to Hyannis Barnstable
Flights to Provincetown
Flights to Alghero-Fertilia
Flights to Laayoune Hassan I
Flights to Devils Lake
Flights to Vava'u Lupepau'U
Flights to Hakodate
Flights to Edremit/Korfez
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines