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$329+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
ROA — ONT
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap 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 December 15, 2025.

This Delta deal was found by Cheapflights users on 12/13. 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.
Wed 12/176:00 amROA - ONT
1 stop7h 31mDelta
Thu 12/257:05 amONT - ROA
1 stop9h 21mDelta
Deal found 12/13$613
This United Airlines deal was found by Cheapflights users on 12/13. 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 12/235:42 pmROA - ONT
1 stop7h 43mUnited Airlines
Wed 12/2411:59 pmONT - ROA
1 stop7h 17mUnited Airlines
Deal found 12/13$663
This American Airlines deal was found by Cheapflights users on 12/13. 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.
Mon 12/222:47 pmROA - ONT
1 stop9h 11mAmerican Airlines
Thu 12/256:20 amONT - ROA
2 stops10h 01mAmerican Airlines
Deal found 12/13$664
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Sat 12/205:42 pmROA - ONT
1 stop7h 43mUnited Airlines
Wed 12/2411:59 pmONT - ROA
1 stop7h 17mUnited Airlines
Deal found 12/13$684
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Mon 12/225:42 pmROA - ONT
1 stop7h 43mUnited Airlines
Wed 12/2411:59 pmONT - ROA
1 stop7h 17mUnited Airlines
Deal found 12/13$685
This Delta deal was found by Cheapflights users on 12/13. 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.
Wed 12/176:00 amROA - ONT
1 stop7h 31mDelta
Sat 12/2010:29 pmONT - ROA
1 stop9h 08mDelta
Deal found 12/13$688
This Delta deal was found by Cheapflights users on 12/13. 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.
Sun 12/217:03 pmROA - ONT
1 stop7h 20mDelta
Thu 12/257:05 amONT - ROA
1 stop9h 21mDelta
Deal found 12/13$725
This Delta deal was found by Cheapflights users on 12/13. 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.
Wed 12/176:00 amROA - ONT
1 stop7h 31mDelta
Wed 12/247:05 amONT - ROA
1 stop9h 21mDelta
Deal found 12/13$733
This American Airlines deal was found by Cheapflights users on 12/13. 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 12/212:47 pmROA - ONT
1 stop9h 19mAmerican Airlines
Thu 12/256:20 amONT - ROA
2 stops10h 01mAmerican Airlines
Deal found 12/13$735
This United Airlines deal was found by Cheapflights users on 12/14. 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.
Thu 12/185:42 pmROA - ONT
1 stop7h 43mUnited Airlines
Sat 12/205:05 amONT - ROA
2 stops8h 56mUnited Airlines
Deal found 12/14$772
This Delta deal was found by Cheapflights users on 12/14. 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 12/186:00 amROA - ONT
1 stop8h 02mDelta
Mon 1/1910:30 pmONT - ROA
1 stop9h 09mDelta
Deal found 12/14$853

Find 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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$419
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$848
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. 22% potential increase in price ($145 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 15, 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

Mon 1/12

2:23 pm-9:05 pm

1 stop9h 42m

Ontario

Fri 1/23

12:41 pm-12:04 am

1 stop8h 23m

$329

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Mon 1/12

8:00 am-6:45 pm

2 stops13h 45m

Ontario

Fri 1/23

7:30 pm-9:41 am

2 stops11h 11m

$399

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Sat 2/14

10:43 am-8:50 pm

2 stops13h 07m

Ontario

Wed 2/18

6:37 pm-10:08 am

2 stops12h 31m

$419

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Fri 1/9

12:40 pm-10:53 pm

2 stops13h 13m

Ontario

Sat 1/24

5:05 am-7:31 pm

2 stops11h 26m

$439

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Fri 2/20

10:15 am-8:50 pm

2 stops13h 35m

Ontario

Mon 2/23

9:06 pm-10:08 am

2 stops10h 02m

$519

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Mon 1/12

10:15 am-8:58 pm

2 stops13h 43m

Ontario

Fri 1/23

5:05 am-5:03 pm

3 stops32h 58m

$538

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Fri 4/10

5:39 pm-10:26 pm

1 stop7h 47m

Ontario

Mon 4/13

6:53 pm-10:20 am

2 stops12h 27m

$810

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Mon 3/23

10:43 am-8:50 pm

2 stops13h 07m

Ontario

Thu 3/26

11:59 pm-10:08 am

1 stop7h 09m

$864

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Sat 12/20

5:42 pm-10:25 pm

1 stop7h 43m

$459

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Fri 1/2

10:52 am-9:07 pm

2 stops13h 15m

$462

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Roanoke-Ontario flight deals on Cheapflights vs. eDreams >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, October is the cheapest month in which you can book a flight from Roanoke to Ontario (average of $139). Flying from Roanoke to Ontario in April is currently the most expensive (average of $308). 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.

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 December 15, 2025.
Read reviews from past customers who have flown Delta and American Airlines from Roanoke to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Boarding

8.1

Food

7.3

Comfort

7.9

Crew

8.5

Overall

7.9

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
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Boarding

8.1

Food

7.3

Comfort

7.9

Crew

8.5

Overall

7.9

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
11,051 reviews
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Boarding

8.1

Food

7.3

Comfort

7.9

Crew

8.5

Overall

7.9

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.

  • How long is the flight from Roanoke to Ontario?

    Departing from Roanoke to Ontario will take you 13h 07m. Airlines will cover a distance of 2108 mi.

  • 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 $308. Another option worth looking into is American Airlines, starting at $314 round trip. Delta is currently priced 38% below the average price you’ll pay for this route.

  • 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, October is the cheapest month in which you can book a flight from Roanoke to Ontario (average of $139). Flying from Roanoke to Ontario in April is currently the most expensive (average of $308). 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

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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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$308Average$443FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$314Average$469FlexibilityNo cancel feeOn-time71%

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