HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$311+ Cheap flights from Roanoke to Ontario (ROA - ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
ROA — ONT
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Roanoke to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Roanoke to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Roanoke (ROA) 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 April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$311
(Delta)

Popular in

September

Cheapest in

October

Average price

$386
Provider with most accurate pricing for Roanoke-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Roanoke-Ontario flights.
Search Deals
From Roanoke to Ontario
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($103 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 14% potential price decrease ($74 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Roanoke to Ontario

Cheapest flights from Roanoke to Ontario
Explore the most affordable flight options available from Roanoke to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This Delta deal was found by Cheapflights users on 4/17. 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.
Thu 5/293:38 pmROA - ONT
1 stop9h 51mDelta
Wed 6/412:18 pmONT - ROA
1 stop8h 46mDelta
Deal found 4/17$311
This United Airlines deal was found by Cheapflights users on 4/16. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/215:40 pmROA - ONT
1 stop7h 50mUnited Airlines
Tue 10/287:00 amONT - ROA
2 stops13h 33mUnited Airlines
Deal found 4/16$344
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Thu 5/294:22 pmROA - ONT
1 stop7h 43mAmerican Airlines
Wed 6/47:25 pmONT - ROA
2 stops12h 17mAmerican Airlines
Deal found 4/17$462

Cheapflights Fare Finder

Customize your flight search to find flights from Roanoke 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 2,558,603 searches. Data last updated April 17, 2025.
Use the filters below to find and compare flights from Roanoke to Ontario that are best for you.

Fly from

Roanoke

Fly to

Ontario

Route

Depart

Return

Price

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Thu 5/29

3:38 pm-10:29 pm

1 stop9h 51m

Ontario

Wed 6/4

12:18 pm-12:04 am

1 stop8h 46m

$311

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Mon 6/2

10:35 am-9:10 pm

2 stops13h 35m

Ontario

Sat 6/7

6:00 am-11:35 pm

2 stops14h 35m

$459

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Thu 5/29

4:22 pm-9:05 pm

1 stop7h 43m

Ontario

Wed 6/4

7:25 pm-10:42 am

2 stops12h 17m

$462

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Sun 5/4

5:55 am-10:57 am

1 stop8h 02m

$350

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Sun 5/4

7:10 am-3:59 pm

2 stops11h 49m

$355

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Mon 6/9

5:35 pm-10:26 pm

1 stop7h 51m

$405

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Compare providers for flights from Roanoke to Ontario

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 Roanoke to Ontario in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice 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 Roanoke-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Roanoke-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Roanoke-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Roanoke-Ontario flights, Cheapflights users trust eDreams the most. eDreams 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 Roanoke-Ontario 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 Roanoke to Ontario

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

Cheapflights Insights

Everything you need to know about your flight from Roanoke to Ontario

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

Currently, August is the cheapest month in which you can book a flight from Roanoke to Ontario (average of $246). Flying from Roanoke to Ontario in March is currently the most expensive (average of $328). 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 ROA to ONT?

Find hourly flight availability from Roanoke to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 28% on flights from Roanoke to Ontario by exploring options for tickets in the afternoon.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

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 April 17, 2025.
Read through reviews of airlines operating flights from Roanoke to Ontario, such as Delta, United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,917 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

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

    Flying on Delta is currently your cheapest option to Ontario, with prices starting at $311. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $459 and $462, respectively. Delta is currently priced 48% below the average price you’ll pay for this route.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $350. Users have also found prices from $355 and $405 on American Airlines and United Airlines, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Roanoke 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.

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

    Currently, August is the cheapest month in which you can book a flight from Roanoke to Ontario (average of $246). Flying from Roanoke to Ontario in March is currently the most expensive (average of $328). 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 Roanoke to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Los Angeles flights
Dulles Intl to Las Vegas flights
Dulles Intl to Los Angeles flights
Dulles Intl to San Francisco flights
Reagan-National to Las Vegas flights
Reagan-National to San Francisco flights
Dulles Intl to San Diego flights
Reagan-National to San Diego flights
Raleigh to Las Vegas flights
Dulles Intl to Ontario flights
Raleigh to San Francisco flights
Raleigh to Los Angeles flights
Reagan-National to Santa Ana flights
Reagan-National to Ontario flights
Dulles Intl to Santa Ana flights
Dulles Intl to Sacramento flights
Dulles Intl to San Jose flights
Richmond to Las Vegas flights
Norfolk to Las Vegas flights
Greensboro to Las Vegas flights
Raleigh to San Diego flights
Reagan-National to San Jose flights
Dulles Intl to Reno flights
Raleigh to Ontario flights
Dulles Intl to Palm Springs flights
Reagan-National to Sacramento flights
Dulles Intl to Burbank flights
Dulles Intl to Oakland flights
Richmond to San Francisco flights
Reagan-National to Burbank flights
Reagan-National to Reno flights
Dulles Intl to Fresno flights
Raleigh to Medford flights
Raleigh to Santa Ana flights
Richmond to Los Angeles flights
Norfolk to Los Angeles flights
Reagan-National to Oakland flights
Reagan-National to Palm Springs flights
Norfolk to San Diego flights
Norfolk to San Francisco flights
Richmond to San Diego flights
Reagan-National to Fresno flights
Greensboro to Los Angeles flights
Greensboro to San Francisco flights
Dulles Intl to Long Beach flights
Raleigh to San Jose flights
Dulles Intl to Monterey flights
Roanoke to Las Vegas flights
Raleigh to Sacramento flights
Norfolk to Santa Ana flights

Top 2 airlines flying from Roanoke to Ontario

Discover the top 2 airlines that operate flights from Roanoke to Ontario. 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$438FlexibilityNo cancel feeOn-time71%
DeltaCheapest$308Average$747FlexibilityNo cancel feeOn-timeN/A

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.