$178 Cheap Flights from Roanoke (ROA) to Ontario (ONT)

View $178 flight on Tue, Feb 10, 2026Opens in a new window

Popular airlines from Roanoke Regional Airport (ROA) to Los Angeles - Ontario Intl. Airport (ONT)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Roanoke to Ontario (ROA-ONT)

Prices were available within the past 7 days and start at $178 for one-way flights and $309 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Nov 19 - Wed, Dec 3
ROA
Roanoke
ONT
Ontario
$309 Roundtrip, found 9 hours ago
$309
Roundtrip
found 9 hours ago
Select Delta flight, departing Wed, Nov 19 from Roanoke to Ontario, returning Wed, Dec 3, priced at $309 found 9 hours ago
United
Sat, Nov 15 - Tue, Nov 18
ROA
Roanoke
ONT
Ontario
$309 Roundtrip, found 4 days ago
$309
Roundtrip
found 4 days ago
Select United flight, departing Sat, Nov 15 from Roanoke to Ontario, returning Tue, Nov 18, priced at $309 found 4 days ago
American Airlines
Sat, Feb 14 - Sat, Feb 21
ROA
Roanoke
ONT
Ontario
$314 Roundtrip, found 2 days ago
$314
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Feb 14 from Roanoke to Ontario, returning Sat, Feb 21, priced at $314 found 2 days ago
American Airlines
Sun, Jan 25 - Sun, Feb 1
ROA
Roanoke
ONT
Ontario
$319 Roundtrip, found 1 day ago
$319
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Jan 25 from Roanoke to Ontario, returning Sun, Feb 1, priced at $319 found 1 day ago
American Airlines
Tue, Feb 10 - Sat, Feb 14
ROA
Roanoke
ONT
Ontario
$331 Roundtrip, found 3 days ago
$331
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Feb 10 from Roanoke to Ontario, returning Sat, Feb 14, priced at $331 found 3 days ago
Delta
Wed, Apr 1 - Sat, Apr 11
ROA
Roanoke
ONT
Ontario
$334 Roundtrip, found 1 day ago
$334
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Apr 1 from Roanoke to Ontario, returning Sat, Apr 11, priced at $334 found 1 day ago
Delta
Sat, Nov 8 - Sun, Nov 16
ROA
Roanoke
ONT
Ontario
$339 Roundtrip, found 12 hours ago
$339
Roundtrip
found 12 hours ago
Select Delta flight, departing Sat, Nov 8 from Roanoke to Ontario, returning Sun, Nov 16, priced at $339 found 12 hours ago
Delta
Tue, Feb 10 - Sat, Feb 14
ROA
Roanoke
ONT
Ontario
$339 Roundtrip, found 3 days ago
$339
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Feb 10 from Roanoke to Ontario, returning Sat, Feb 14, priced at $339 found 3 days ago
American Airlines
Tue, Feb 10 - Sat, Feb 14
ROA
Roanoke
ONT
Ontario
$340 Roundtrip, found 3 days ago
$340
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Feb 10 from Roanoke to Ontario, returning Sat, Feb 14, priced at $340 found 3 days ago
American Airlines
Tue, Feb 10 - Sat, Feb 14
ROA
Roanoke
ONT
Ontario
$344 Roundtrip, found 3 days ago
$344
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Feb 10 from Roanoke to Ontario, returning Sat, Feb 14, priced at $344 found 3 days ago

Find the cheapest month to fly from Roanoke (ROA) to Ontario (ONT)

February is typically the cheapest month to fly

From $284 - $959 per traveler.

Alternative airports near Ontario

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to John Wayne SNA. Average driving time to city center is 42 minutes. Flights from $434
SNA
John Wayne
Average driving time to city center42 min
Flights from $434

Frequently asked questions

How much does a flight from Roanoke Regional Airport (ROA) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Lock in a cheap one-way flight from $178 or cheap return flight from $309 from Roanoke Regional Airport (ROA) to Los Angeles - Ontario Intl. Airport (ONT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Roanoke Regional Airport (ROA) to Los Angeles - Ontario Intl. Airport (ONT)?
The cheapest month to fly from ROA to ONT is November, when demand is low. Off-peak season is typically when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Roanoke Regional Airport (ROA) to Los Angeles - Ontario Intl. Airport (ONT)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from ROA to ONT. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Roanoke Regional Airport (ROA) to Los Angeles - Ontario Intl. Airport (ONT)?
You'll need to take a flight with a layover when traveling from Roanoke Regional Airport (ROA) to Los Angeles - Ontario Intl. Airport (ONT). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from ROA to ONT?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change based on a range of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Roanoke Regional Airport (ROA) to Los Angeles - Ontario Intl. Airport (ONT)?
Opt for a flight from Roanoke Regional Airport (ROA) to Los Angeles - Ontario Intl. Airport (ONT) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Roanoke Regional Airport (ROA) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Booking your flight from ROA to ONT right before your getaway is generally more expensive. However, if you're flexible with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a ROA to ONT flight and hotel package?
Compared with arranging hotels and flights separately, booking a ROA to ONT flight and hotel package with Expedia could lead to significant savings. What's more, having it all in one place will take the hassle out of planning your trip. Simply pick your flights and choose from our wide range of hotels, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Roanoke Regional Airport (ROA) to Los Angeles - Ontario Intl. Airport (ONT)?
It's generally possible to cancel or reschedule your ROA to ONT flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Roanoke Regional
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$308
Distance
2108 mi

Book with confidence

Roanoke to Ontario Flights

The cheapest times to fly from Roanoke to Ontario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Roanoke to Ontario are during the month of November. You can find some of the cheapest flights from Roanoke to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Roanoke to Ontario

Sunday is one of the best days to book for cheap flights from Roanoke to Ontario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Roanoke to Ontario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Roanoke to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from $178 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Roanoke to Ontario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Roanoke to Ontario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Roanoke to Ontario Flights

Explore a world of travel with Expedia

*Available to One Key members.