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Ontario

$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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
ROA — ONT
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
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 January 28, 2026.

This Delta deal was found by Cheapflights users on 1/26. 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 3/243:13 pm
ROA
-
ONT
1 stop8h 47m
Delta
Wed 4/112:57 pm
ONT
-
ROA
1 stop8h 07m
Delta
Deal found 1/26$329
This Delta deal was found by Cheapflights users on 1/26. 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 4/226:00 am
ROA
-
ONT
1 stop8h 36m
Delta
Tue 4/2812:49 pm
ONT
-
ROA
1 stop8h 36m
Delta
Deal found 1/26$373
This Delta deal was found by Cheapflights users on 1/27. 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 4/156:00 am
ROA
-
ONT
1 stop8h 36m
Delta
Wed 4/2212:49 pm
ONT
-
ROA
1 stop8h 36m
Delta
Deal found 1/27$384
This Delta deal was found by Cheapflights users on 1/26. 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 4/233:28 pm
ROA
-
ONT
1 stop8h 32m
Delta
Tue 4/2810:15 pm
ONT
-
ROA
1 stop9h 13m
Delta
Deal found 1/26$418
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Wed 2/1810:43 am
ROA
-
ONT
2 stops13h 07m
United Airlines
Sun 3/811:59 pm
ONT
-
ROA
1 stop7h 09m
United Airlines
Deal found 1/26$434
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Wed 4/2210:48 am
ROA
-
ONT
2 stops12h 48m
United Airlines
Mon 4/276:49 pm
ONT
-
ROA
2 stops12h 00m
United Airlines
Deal found 1/26$440
This Delta deal was found by Cheapflights users on 1/26. 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.
Sat 3/213:30 pm
ROA
-
ONT
1 stop8h 30m
Delta
Wed 4/112:57 pm
ONT
-
ROA
1 stop8h 07m
Delta
Deal found 1/26$448
This Delta deal was found by Cheapflights users on 1/26. 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 4/213:28 pm
ROA
-
ONT
1 stop8h 32m
Delta
Mon 4/2710:15 pm
ONT
-
ROA
1 stop9h 13m
Delta
Deal found 1/26$454
This United Airlines deal was found by Cheapflights users on 1/26. 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 4/2110:34 am
ROA
-
ONT
2 stops14h 52m
United Airlines
Tue 4/287:00 am
ONT
-
ROA
1 stop7h 05m
United Airlines
Deal found 1/26$464
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Wed 4/1510:48 am
ROA
-
ONT
2 stops12h 48m
United Airlines
Tue 4/215:10 am
ONT
-
ROA
2 stops11h 00m
United Airlines
Deal found 1/27$470
This Delta deal was found by Cheapflights users on 1/26. 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 4/226:00 am
ROA
-
ONT
1 stop8h 36m
Delta
Mon 4/2710:15 pm
ONT
-
ROA
1 stop9h 13m
Delta
Deal found 1/26$498
This Delta deal was found by Cheapflights users on 1/26. 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 4/233:28 pm
ROA
-
ONT
1 stop8h 32m
Delta
Mon 4/2710:15 pm
ONT
-
ROA
1 stop9h 13m
Delta
Deal found 1/26$543

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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$329
(Delta)

Popular in

June

Cheapest in

December

Average price

$493
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. 20% potential increase in price ($116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 28, 2026.
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

Wed 3/25

6:00 am-11:47 am

1 stop8h 47m

Ontario

Wed 4/1

12:57 pm-12:04 am

1 stop8h 07m

$329

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Wed 4/15

3:28 pm-9:00 pm

1 stop8h 32m

Ontario

Tue 4/21

12:49 pm-12:25 am

1 stop8h 36m

$329

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Tue 3/24

3:13 pm-9:00 pm

1 stop8h 47m

Ontario

Wed 4/1

12:57 pm-12:04 am

1 stop8h 07m

$329

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Wed 4/22

6:00 am-11:36 am

1 stop8h 36m

Ontario

Tue 4/28

12:49 pm-12:25 am

1 stop8h 36m

$373

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Wed 4/15

6:00 am-11:36 am

1 stop8h 36m

Ontario

Wed 4/22

12:49 pm-12:25 am

1 stop8h 36m

$384

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Wed 2/18

10:43 am-8:50 pm

2 stops13h 07m

Ontario

Sun 3/8

11:59 pm-10:08 am

1 stop7h 09m

$434

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Wed 4/22

5:40 pm-10:26 pm

1 stop7h 46m

Ontario

Mon 4/27

6:49 pm-9:49 am

2 stops12h 00m

$434

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Wed 4/15

5:40 pm-10:26 pm

1 stop7h 46m

Ontario

Tue 4/21

5:10 am-7:10 pm

2 stops11h 00m

$434

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Sat 3/21

3:30 pm-9:00 pm

1 stop8h 30m

Ontario

Wed 4/1

12:57 pm-12:04 am

1 stop8h 07m

$448

RoanokeOntario

ROA - ONT

ROAONT

Roanoke

Tue 4/21

3:28 pm-9:00 pm

1 stop8h 32m

Ontario

Mon 4/27

10:15 pm-10:28 am

1 stop9h 13m

$454

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 15 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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 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 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 January 28, 2026.
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
8,123 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Entertainment

7.8

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
8,123 reviews
Delta
7.9
Good
8,123 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Entertainment

7.8

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
11,201 reviews
Delta
7.9
Good
8,123 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Entertainment

7.8

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 8h 47m. 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 32% 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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$308Average$399FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$314Average$469FlexibilityNo cancel feeOn-time71%

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