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$381+ Cheap flights from Ontario (ONT) to Rome (ROM)

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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ROM
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Ontario to Rome

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Rome (ROM). 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$525
(United)

One-way from

$381
(Trip.com)

Popular in

May

Cheapest in

December

Average price

$815
Provider with most accurate pricing for Ontario-Rome (ROM) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Rome (ROM) flights.
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From Ontario to Rome (ROM)
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One-way flight from Ontario to Rome (ROM)
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($307 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($60 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Ontario to Rome

Cheapest flights from Ontario to Rome
Explore the most affordable flight options available from Ontario to Rome. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This United deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/316:00 amONT - FCO
1 stop22h 20mUnited Airlines
Tue 4/812:25 pmFCO - ONT
2 stops35h 52mUnited Airlines
Deal found 2/20$525
This Air Canada deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/45:05 amONT - FCO
2 stops19h 55mMultiple Airlines
Tue 3/1111:15 amFCO - ONT
2 stops33h 29mMultiple Airlines
Deal found 2/18$531
This KLM deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/257:05 amONT - FCO
1 stop18h 25mKLM
Fri 3/712:45 pmFCO - ONT
1 stop19h 07mKLM
Deal found 2/19$541
This Travelocity deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/46:05 amONT - FCO
2 stops21h 15mBritish Airways
Tue 3/1111:10 amFCO - ONT
1 stop19h 17mBritish Airways
Deal found 2/20$544
This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/117:00 amONT - FCO
1 stop15h 55mDelta
Tue 3/188:20 amFCO - ONT
2 stops22h 23mDelta
Deal found 2/20$546
This American Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/236:59 amONT - FCO
2 stops17h 01mAmerican Airlines
Sun 3/21:10 pmFCO - ONT
2 stops19h 43mAmerican Airlines
Deal found 2/19$596
This Iberia deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/107:00 amONT - FCO
1 stop20h 20mIberia
Wed 3/2611:10 amFCO - ONT
1 stop19h 17mIberia
Deal found 2/19$796
This Billigflug deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/11:05 pmONT - FCO
1 stop36h 25mAir France
Sat 3/1511:45 amFCO - ONT
1 stop18h 58mAir France
Deal found 2/19$801
This Kissandfly.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/276:00 amONT - FCO
2 stops27h 55mLufthansa
Thu 3/131:35 pmFCO - ONT
2 stops28h 19mLufthansa
Deal found 2/20$804

Find flights from Ontario to Rome within your budget

Customize your flight search to find flights from Ontario to Rome 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 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Ontario

Fly to

Rome

Route

Depart

Return

Price

OntarioRome

ONT - FCO

ONTFCO

Ontario

Mon 3/31

6:00 am-1:20 pm

1 stop22h 20m

Rome Fiumicino

Tue 4/8

12:25 pm-3:17 pm

2 stops35h 52m

$525

OntarioRome

ONT - FCO

ONTFCO

Ontario

Tue 3/4

5:05 am-10:00 am

2 stops19h 55m

Rome Fiumicino

Tue 3/11

11:15 am-12:44 pm

2 stops33h 29m

$531

OntarioRome

ONT - FCO

ONTFCO

Ontario

Tue 3/4

6:05 am-12:20 pm

2 stops21h 15m

Rome Fiumicino

Tue 3/11

11:10 am-10:27 pm

1 stop19h 17m

$544

OntarioRome

ONT - FCO

ONTFCO

Ontario

Tue 3/11

7:00 am-6:55 am

1 stop15h 55m

Rome Fiumicino

Tue 3/18

8:20 am-10:43 pm

2 stops22h 23m

$546

OntarioRome

ONT - FCO

ONTFCO

Ontario

Tue 3/4

7:05 am-10:30 am

1 stop18h 25m

Rome Fiumicino

Thu 3/13

11:45 am-10:43 pm

1 stop18h 58m

$612

OntarioRome

ONT - FCO

ONTFCO

Ontario

Mon 3/10

7:00 am-11:20 am

1 stop20h 20m

Rome Fiumicino

Wed 3/26

11:10 am-10:27 pm

1 stop19h 17m

$796

OntarioRome

ONT - FCO

ONTFCO

Ontario

Mon 3/10

10:57 am-11:20 am

1 stop16h 23m

Rome Fiumicino

Wed 3/26

11:10 am-10:27 pm

1 stop19h 17m

$1,040

OntarioRome

ONT - FCO

ONTFCO

Ontario

Wed 4/23

10:44 am-12:40 pm

2 stops40h 56m

$381

OntarioRome

ONT - FCO

ONTFCO

Ontario

Tue 4/8

7:00 am-8:05 am

1 stop16h 05m

$418

OntarioRome

ONT - FCO

ONTFCO

Ontario

Wed 4/2

7:00 am-9:10 am

2 stops17h 10m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 16 results
1
2

Compare providers for flights from Ontario to Rome

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Rome in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Rome flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Rome flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Rome flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Rome flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Rome flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Rome

Have a flexible travel schedule? Discover the best time to fly to Rome from Ontario 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.

Travel insights for flights from Ontario to Rome

Get recent, data-driven insights about flights from Ontario to Rome including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Ontario to Rome (average of $644). Flying from Ontario to Rome in June is currently the most expensive (average of $1,236). 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.

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

Find hourly flight availability from Ontario to Rome. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

It’s optimal to fly from Ontario to Rome in the evening. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight in the morning.

Rainfall in Rome by month

Plan your trip to Rome by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Rome ranges from 0.6 - 4.4 inches per month. November is typically the wettest month, when rainfall can reach 4.4 in. June is typically the driest time to visit Rome when rainfall is around 0.6 in.

Temperature in Rome by month

Plan your trip to Rome by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Rome, 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 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

Reviews of airlines servicing Rome

Get insights into the airlines that provide service to Rome. 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 Rome. Reviews last updated February 20, 2025.
To help decide which airline to fly from Ontario to Rome, see what other customers have to say about Delta, KLM and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet
7.2
Good
2,801 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Rome. 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 from for flights from Ontario to Rome?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly out of when you book flights from Ontario to Rome. 5 airlines have flights from Ontario to Rome on a regular basis. Booking flights from Ontario to Rome should not be difficult; the airport handles an average of 0 outbound flights to Rome per day.

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

    Our cheapest airline available from Ontario to Rome is United Airlines. Our recent data shows that you can find tickets from as low as $525 on this airline. Additional options worth looking into are British Airways and Delta, starting at $544 and $556 round-trip. United Airlines is 46% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as $418. Users have also found prices from $429 and $433 on American Airlines and Delta, respectively.

  • Can I find deals for flights from Ontario to Rome that include hotel bookings?

    Yes. In addition to deals on Ontario to Rome flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Rome?

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

  • Can I find deals for business class flights from Ontario to Rome?

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

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

    Currently, January is the cheapest month in which you can book a flight from Ontario to Rome (average of $644). Flying from Ontario to Rome in June is currently the most expensive (average of $1,236). 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Fiumicino
Gaeta
Ciampino
Montepulciano
Ponza

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Alternative routes for Ontario to Rome

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Ontario to Rome

Discover the top 5 airlines that operate flights from Ontario to Rome. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$541Average$1,141FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$574Average$1,131FlexibilityNo cancel feeOn-time69%
KLMCheapest$591Average$1,064FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$859Average$1,206FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$924Average$1,138FlexibilityNo cancel feeOn-time70%
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