$126+ Cheap flights from Charlotte to Ontario (CLT - 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — ONT
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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Find cheap flights from Charlotte 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.Cheapflights Tip: The best prices from Charlotte Douglas to Ontario are usually found in May or October, booked 70 days in advance, depart on a Thursday or Wednesday and return on a Tuesday
Cheap flight deals from Charlotte to Ontario
Cheapest
Best
Last-minute
One-way
Cheapest flights from Charlotte to OntarioExplore the most affordable flight options available from Charlotte to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
Explore the most affordable flight options available from Charlotte to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:47 pm -
1 stop10h 03m
Sat 10/3111:52 am -
1 stop26h 04m
Deal found 9/22![Frontier logo]()
$254
This Frontier deal was found by Cheapflights users on 9/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:05 pm -
1 stop7h 43m
Sat 10/246:15 am -
1 stop6h 47m
Deal found 9/19![Frontier logo]()
$258
This CheapOair deal was found by Cheapflights users on 9/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:05 pm -
1 stop7h 33m
Sat 10/3111:52 am -
1 stop26h 04m
Deal found 9/21![Frontier logo]()
$268
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:47 pm -
1 stop20h 42m
Mon 10/198:03 pm -
1 stop12h 02m
Deal found 9/22![Frontier logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:05 pm -
1 stop7h 33m
Tue 11/106:25 am -
2 stops25h 32m
Deal found 9/22![Frontier logo]()
$284
This Frontier deal was found by Cheapflights users on 9/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:47 pm -
1 stop10h 03m
Fri 10/308:03 pm -
1 stop11h 57m
Deal found 9/22![Frontier logo]()
$288
This Cheapflightsfares deal was found by Cheapflights users on 9/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:13 pm -
1 stop7h 55m
Mon 11/96:25 am -
1 stop6h 31m
Deal found 9/20![Frontier logo]()
$289
This Frontier deal was found by Cheapflights users on 9/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:13 pm -
1 stop7h 55m
Mon 11/28:03 pm -
1 stop11h 57m
Deal found 9/20![Frontier logo]()
$293
This Frontier deal was found by Cheapflights users on 9/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:00 am -
1 stop7h 45m
Thu 12/36:00 am -
1 stop12h 19m
Deal found 9/23![Frontier logo]()
$294
Best flights from Charlotte to OntarioDiscover carefully curated flight deals from Charlotte to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from Charlotte to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:44 pm -
1 stop9h 11m
Sat 10/177:07 am -
1 stop6h 03m
Deal found 9/19![Delta logo]()
$357
This Southwest deal was found by Cheapflights users on 9/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:40 am -
2 stops10h 50m
Mon 12/711:25 am -
1 stop6h 35m
Deal found 9/21![Southwest logo]()
$362
This United Airlines deal was found by Cheapflights users on 9/22. 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 1/301:00 pm -
1 stop8h 44m
Wed 2/105:00 am -
1 stop7h 09m
Deal found 9/22![United Airlines logo]()
$487
This Southwest deal was found by Cheapflights users on 9/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:55 am -
1 stop7h 50m
Sat 11/145:45 am -
2 stops8h 25m
Deal found 9/20![Southwest logo]()
$362
This Southwest deal was found by Cheapflights users on 9/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/147:50 am -
1 stop13h 20m
Tue 1/196:45 am -
1 stop11h 30m
Deal found 9/19![Southwest logo]()
$368
This United Airlines deal was found by Cheapflights users on 9/22. 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 1/168:15 am -
2 stops15h 11m
Sat 1/235:00 am -
1 stop7h 09m
Deal found 9/22![United Airlines logo]()
$492
This Southwest deal was found by Cheapflights users on 9/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:55 am -
2 stops11h 05m
Mon 10/1211:55 pm -
1 stop7h 45m
Deal found 9/18![Southwest logo]()
$452
This Southwest deal was found by Cheapflights users on 9/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:35 am -
1 stop6h 55m
Wed 10/149:15 am -
2 stops8h 45m
Deal found 9/22![Southwest logo]()
$536
Last-minute flights from Charlotte to OntarioDiscover last-minute flight deals from Charlotte to Ontario. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Charlotte to Ontario. Data last updated September 23, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:47 pm -
1 stop10h 03m
Thu 10/158:03 pm -
1 stop12h 02m
Deal found 9/20![Frontier logo]()
$309
This Cheapflightsfares deal was found by Cheapflights users on 9/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:47 pm -
1 stop20h 42m
Mon 10/198:03 pm -
1 stop12h 02m
Deal found 9/21![Frontier logo]()
$269
This Mytrip deal was found by Cheapflights users on 9/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:56 am -
2 stops25h 33m
Tue 10/2711:52 am -
2 stops20h 05m
Deal found 9/22![Frontier logo]()
$312
This Frontier deal was found by Cheapflights users on 9/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2112:05 pm -
1 stop7h 43m
Sat 10/246:15 am -
1 stop6h 47m
Deal found 9/19![Frontier logo]()
$258
This Frontier deal was found by Cheapflights users on 9/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/214:47 pm -
1 stop10h 03m
Mon 10/266:15 am -
1 stop6h 47m
Deal found 9/22![Frontier logo]()
$303
This Frontier deal was found by Cheapflights users on 9/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:47 pm -
1 stop10h 03m
Fri 10/308:03 pm -
1 stop11h 57m
Deal found 9/22![Frontier logo]()
$288
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:47 pm -
1 stop10h 03m
Sat 10/3111:52 am -
1 stop26h 04m
Deal found 9/22![Frontier logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:05 pm -
1 stop7h 43m
Mon 10/266:15 am -
2 stops23h 22m
Deal found 9/21![Frontier logo]()
$308
This Frontier deal was found by Cheapflights users on 9/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2412:05 pm -
1 stop7h 43m
Sun 11/18:03 pm -
1 stop11h 57m
Deal found 9/19![Frontier logo]()
$313
This CheapOair deal was found by Cheapflights users on 9/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:05 pm -
1 stop7h 33m
Sat 10/3111:52 am -
1 stop26h 04m
Deal found 9/21![Frontier logo]()
$268
This Frontier deal was found by Cheapflights users on 9/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/292:13 pm -
1 stop7h 55m
Mon 11/28:03 pm -
1 stop11h 57m
Deal found 9/20![Frontier logo]()
$293
One-way flights from Charlotte to OntarioSearch for one-way flight options from Charlotte to Ontario. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Charlotte to Ontario. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Super.com deal was found by Cheapflights users on 9/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:05 pm -
1 stop7h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Frontier logo]()
$126
This Super.com deal was found by Cheapflights users on 9/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:05 pm -
1 stop7h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 9/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:13 pm -
1 stop7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$129
This Super.com deal was found by Cheapflights users on 9/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:00 am -
1 stop21h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Frontier logo]()
$133
This Priceline deal was found by Cheapflights users on 9/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:05 pm -
1 stop7h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1711:52 am -
2 stops38h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Frontier logo]()
$143
This Frontier deal was found by Cheapflights users on 9/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:47 pm -
1 stop10h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$144
This Super.com deal was found by Cheapflights users on 9/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:16 pm -
1 stop27h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:05 am -
2 stops20h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/166:18 am -
2 stops15h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$161
Find flight deals from Charlotte to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Charlotte (CLT) 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 September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $254 (Cheapflightsfares) |
One-way from | $126 (Super.com) |
Popular in | August |
Cheapest in | May |
Average price | $458 |
Good round-trip deal | $439 or less |
Good one-way deal | $526 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Charlotte 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 7,457,451 searches. Data last updated September 23, 2026.
Use the filters below to find and compare flights from Charlotte to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
CharlotteOntario
CLT Charlotte Douglas - ONT Ontario
CLTONT
Charlotte Douglas
Tue 10/20
1:15 pm-9:25 pm
2 stops11h 10m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$184
CharlotteOntario
CLT Charlotte Douglas - ONT Ontario
CLTONT
Charlotte Douglas
Sat 10/17
8:25 am-4:00 pm
2 stops10h 35m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$225
CharlotteOntario
CLT Charlotte Douglas - ONT Ontario
CLTONT
Charlotte Douglas
Thu 11/19
6:40 am-2:40 pm
2 stops11h 00m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$225
CharlotteOntario
CLT Charlotte Douglas - ONT Ontario
CLTONT
Charlotte Douglas
Thu 12/17
10:40 am-6:30 pm
2 stops10h 50m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$229
CharlotteOntario
CLT Charlotte Douglas - ONT Ontario
CLTONT
Charlotte Douglas
Tue 10/13
1:15 pm-8:50 pm
1 stop10h 35m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$229
CharlotteOntario
CLT Charlotte Douglas - ONT Ontario
CLTONT
Charlotte Douglas
Tue 12/22
5:25 pm-11:55 pm
2 stops9h 30m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$229
CharlotteOntario
CLT Charlotte Douglas - ONT Ontario
CLTONT
Charlotte Douglas
Sat 10/3
4:10 pm-9:20 pm
1 stop8h 10m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$252
CharlotteOntario
CLT Charlotte Douglas - ONT Ontario
CLTONT
Charlotte Douglas
Wed 3/17
4:15 pm-10:10 pm
1 stop8h 55m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$254
Quickest round-trip
CharlotteOntario
CLT Charlotte Douglas - ONT Ontario
CLTONT
Charlotte Douglas
Thu 10/8
2:13 pm-7:05 pm
1 stop7h 52m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$261
CharlotteOntario
CLT Charlotte Douglas - ONT Ontario
CLTONT
Charlotte Douglas
Sat 3/20
7:50 am-2:10 pm
1 stop9h 20m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$282
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Charlotte 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 Charlotte to Ontario in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Charlotte-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Charlotte-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Charlotte-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Charlotte-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 Charlotte-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 Charlotte to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Charlotte with our price prediction graph.
CLT-ONT
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 Charlotte to Ontario
Prices
More
How far ahead should I book a flight from Charlotte to Ontario?
The best time to book flights from Charlotte to Ontario is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Charlotte to Ontario?
Currently, May is the cheapest month in which you can book a flight from Charlotte to Ontario (average of $378). Flying from Charlotte to Ontario in August is currently the most expensive (average of $552). 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 CLT to ONT?
Find hourly flight availability from Charlotte 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 September 23, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Charlotte to Ontario as you normally would.
What’s the top layover airport for flights from Charlotte to Ontario?
Share of 1-stop round-trip flights from Charlotte to Ontario chosen by Cheapflights users in the past 12 months, using the same layover each way.
Denver (DEN) – chosen by Cheapflights users on 67% of 1-stop itineraries from Charlotte to Ontario on Cheapflights.
What’s the cheapest layover airport for flights from Charlotte to Ontario?
Average round-trip fare for 1-stop flights from Charlotte to Ontario, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $442.
What’s the fastest layover option from Charlotte to Ontario?
Shortest average travel time for 1-stop one-way flights from Charlotte to Ontario, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Dallas (DFW) have the shortest average one-way travel time for 1-stop routes: 6h 46m.
Which airport typically offers the quickest layover for flights from Charlotte to Ontario?
Average layover duration for 1-stop one-way flights from Charlotte to Ontario, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Dallas (DFW) offer the fastest connection on this route, with an average layover time of 0h 51m.
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 September 23, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Charlotte 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.
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Overall
8.0
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
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Charlotte and Ontario flights
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Top 6 airlines flying from Charlotte to Ontario
Discover the top 6 airlines that operate flights from Charlotte 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 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$221 | Average$350 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$316 | Average$500 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$316 | Average$438 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$318 | Average$462 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$361 | Average$476 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$378 | Average$441 | FlexibilityNo cancel fee | On-time62% |