$120+ Cheap flights from Charlotte to Ontario (CLT - ONT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/14. Fares are subject to change and may not be available on all flights or dates of travel.
CLT — ONT
Sep 1 — Sep 81
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 September or August, booked 24 days in advance, depart on a Thursday or Monday 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 August 2, 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 August 2, 2026.
This Frontier deal was found by Cheapflights users on 7/30. 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 8/221:02 pm
CLT
- ONT
1 stop8h 59m
Frontier
Mon 8/246:00 am
ONT
- CLT
1 stop7h 26m
Frontier
Deal found 7/30![Frontier logo]()
$244
This Frontier deal was found by Cheapflights users on 7/28. 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 8/295:21 pm
CLT
- ONT
1 stop9h 29m
Frontier
Sat 9/510:59 am
ONT
- CLT
1 stop23h 14m
Frontier
Deal found 7/28![Frontier logo]()
$245
This Frontier deal was found by Cheapflights users on 7/31. 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 8/221:02 pm
CLT
- ONT
1 stop8h 59m
Frontier
Wed 8/266:00 am
ONT
- CLT
1 stop7h 26m
Frontier
Deal found 7/31![Frontier logo]()
$252
This Frontier deal was found by Cheapflights users on 7/31. 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.
Mon 9/143:13 pm
CLT
- ONT
1 stop7h 13m
Frontier
Mon 9/217:46 pm
ONT
- CLT
1 stop12h 30m
Frontier
Deal found 7/31![Frontier logo]()
$253
This CheapOair deal was found by Cheapflights users on 7/30. 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.
Thu 8/275:31 pm
CLT
- ONT
1 stop17h 01m
Frontier
Tue 9/110:59 am
ONT
- CLT
1 stop19h 53m
Frontier
Deal found 7/30![Frontier logo]()
$254
This Frontier deal was found by Cheapflights users on 7/31. 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 8/215:21 pm
CLT
- ONT
1 stop9h 29m
Frontier
Sat 8/296:00 am
ONT
- CLT
1 stop7h 26m
Frontier
Deal found 7/31![Frontier logo]()
$271
This Frontier deal was found by Cheapflights users on 7/29. 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 8/285:21 pm
CLT
- ONT
1 stop9h 29m
Frontier
Mon 8/316:00 am
ONT
- CLT
1 stop7h 26m
Frontier
Deal found 7/29![Frontier logo]()
$276
This Frontier deal was found by Cheapflights users on 7/31. 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.
Mon 9/2112:09 pm
CLT
- ONT
1 stop8h 39m
Frontier
Sun 9/276:45 pm
ONT
- CLT
1 stop13h 29m
Frontier
Deal found 7/31![Frontier logo]()
$280
This CheapOair deal was found by Cheapflights users on 8/1. 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.
Mon 8/315:31 pm
CLT
- ONT
1 stop28h 30m
Frontier
Fri 9/49:33 am
ONT
- CLT
1 stop21h 19m
Frontier
Deal found 8/1![Frontier logo]()
$281
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 August 2, 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 August 2, 2026.
This Southwest deal was found by Cheapflights users on 8/1. 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 9/510:30 am
CLT
- ONT
1 stop8h 30m
Southwest
Mon 9/711:55 pm
ONT
- CLT
1 stop9h 00m
Southwest
Deal found 8/1![Southwest logo]()
$377
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/2211:45 am
CLT
- ONT
1 stop9h 27m
United Airlines
Tue 8/251:18 pm
ONT
- CLT
1 stop7h 08m
United Airlines
Deal found 7/30![United Airlines logo]()
$473
This Delta deal was found by Cheapflights users on 8/1. 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 8/66:45 am
CLT
- ONT
1 stop6h 57m
Delta
Tue 8/116:00 am
ONT
- CLT
1 stop7h 42m
Delta
Deal found 8/1![Delta logo]()
$553
This Southwest deal was found by Cheapflights users on 7/31. 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.
Fri 8/216:35 am
CLT
- ONT
2 stops7h 50m
Southwest
Wed 8/265:45 am
ONT
- CLT
2 stops9h 10m
Southwest
Deal found 7/31![Southwest logo]()
$416
This United Airlines deal was found by Cheapflights users on 7/29. 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 8/2912:34 pm
CLT
- ONT
2 stops11h 19m
United Airlines
Mon 8/317:13 pm
ONT
- CLT
2 stops11h 55m
United Airlines
Deal found 7/29![United Airlines logo]()
$483
This Delta deal was found by Cheapflights users on 7/28. 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 8/81:57 pm
CLT
- ONT
1 stop7h 33m
Delta
Mon 8/1712:00 pm
ONT
- CLT
1 stop6h 58m
Delta
Deal found 7/28![Delta logo]()
$553
This United Airlines deal was found by Cheapflights users on 8/2. 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 8/268:05 am
CLT
- ONT
2 stops14h 56m
United Airlines
Wed 9/25:00 am
ONT
- CLT
2 stops12h 44m
United Airlines
Deal found 8/2![United Airlines logo]()
$511
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/228:05 am
CLT
- ONT
2 stops13h 07m
United Airlines
Mon 8/246:00 am
ONT
- CLT
2 stops14h 26m
United Airlines
Deal found 7/30![United Airlines logo]()
$521
This Delta deal was found by Cheapflights users on 7/28. 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.
Fri 8/76:45 am
CLT
- ONT
1 stop6h 57m
Delta
Thu 8/1312:00 pm
ONT
- CLT
1 stop6h 58m
Delta
Deal found 7/28![Delta logo]()
$583
This United Airlines deal was found by Cheapflights users on 8/1. 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 9/216:01 pm
CLT
- ONT
1 stop7h 58m
United Airlines
Sun 9/276:00 am
ONT
- CLT
2 stops12h 15m
United Airlines
Deal found 8/1![United Airlines logo]()
$572
This United Airlines deal was found by Cheapflights users on 8/1. 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 10/2412:30 pm
CLT
- ONT
2 stops12h 29m
United Airlines
Sun 10/255:00 am
ONT
- CLT
1 stop7h 16m
United Airlines
Deal found 8/1![United Airlines logo]()
$572
This United Airlines deal was found by Cheapflights users on 7/31. 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 8/2712:34 pm
CLT
- ONT
2 stops12h 25m
United Airlines
Mon 8/319:01 am
ONT
- CLT
2 stops11h 25m
United Airlines
Deal found 7/31![United Airlines logo]()
$577
Last-minute flights from Charlotte to OntarioDiscover last-minute flight deals from Charlotte to Ontario. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from Charlotte to Ontario. Data last updated August 2, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 7/29. 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.
Thu 8/205:31 pm
CLT
- ONT
1 stop17h 01m
Frontier
Mon 8/249:33 am
ONT
- CLT
1 stop21h 19m
Frontier
Deal found 7/29![Frontier logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Thu 8/2011:50 am
CLT
- ONT
2 stops15h 00m
Frontier
Mon 8/316:00 am
ONT
- CLT
1 stop7h 26m
Frontier
Deal found 7/28![Frontier logo]()
$293
This Frontier deal was found by Cheapflights users on 7/31. 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 8/215:21 pm
CLT
- ONT
1 stop9h 29m
Frontier
Sat 8/296:00 am
ONT
- CLT
1 stop7h 26m
Frontier
Deal found 7/31![Frontier logo]()
$271
This Frontier deal was found by Cheapflights users on 7/31. 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 8/215:21 pm
CLT
- ONT
1 stop9h 29m
Frontier
Fri 8/286:00 am
ONT
- CLT
1 stop7h 26m
Frontier
Deal found 7/31![Frontier logo]()
$290
This Frontier deal was found by Cheapflights users on 7/30. 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 8/221:02 pm
CLT
- ONT
1 stop8h 59m
Frontier
Mon 8/246:00 am
ONT
- CLT
1 stop7h 26m
Frontier
Deal found 7/30![Frontier logo]()
$244
This Frontier deal was found by Cheapflights users on 7/31. 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 8/221:02 pm
CLT
- ONT
1 stop8h 59m
Frontier
Wed 8/266:00 am
ONT
- CLT
1 stop7h 26m
Frontier
Deal found 7/31![Frontier logo]()
$252
This CheapOair deal was found by Cheapflights users on 7/31. 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.
Thu 8/275:31 pm
CLT
- ONT
1 stop17h 01m
Frontier
Tue 9/110:59 am
ONT
- CLT
1 stop19h 53m
Frontier
Deal found 7/31![Frontier logo]()
$262
This Frontier deal was found by Cheapflights users on 7/29. 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 8/285:21 pm
CLT
- ONT
1 stop9h 29m
Frontier
Mon 8/316:00 am
ONT
- CLT
1 stop7h 26m
Frontier
Deal found 7/29![Frontier logo]()
$276
This Frontier deal was found by Cheapflights users on 7/30. 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 8/291:02 pm
CLT
- ONT
1 stop8h 59m
Frontier
Sat 9/510:59 am
ONT
- CLT
1 stop23h 14m
Frontier
Deal found 7/30![Frontier logo]()
$246
This CheapOair deal was found by Cheapflights users on 8/1. 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.
Mon 8/315:31 pm
CLT
- ONT
1 stop28h 30m
Frontier
Fri 9/49:33 am
ONT
- CLT
1 stop21h 19m
Frontier
Deal found 8/1![Frontier logo]()
$281
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 August 2, 2026.
Search for one-way flight options from Charlotte to Ontario. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
This Super.com deal was found by Cheapflights users on 7/30. 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.
Mon 9/1412:09 pm
CLT
- ONT
1 stop8h 39m
Frontier
Deal found 7/30![Frontier logo]()
$120
This Super.com deal was found by Cheapflights users on 7/31. 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.
Thu 9/247:54 pm
CLT
- ONT
1 stop6h 53m
Frontier
Deal found 7/31![Frontier logo]()
$121
This Frontier deal was found by Cheapflights users on 7/30. 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 8/265:21 pm
CLT
- ONT
1 stop9h 29m
Frontier
Deal found 7/30![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 8/1. 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.
Mon 9/2112:09 pm
CLT
- ONT
1 stop8h 39m
Frontier
Deal found 8/1![Frontier logo]()
$124
This Frontier deal was found by Cheapflights users on 7/31. 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 9/161:34 pm
CLT
- ONT
1 stop7h 42m
Frontier
Deal found 7/31![Frontier logo]()
$126
This Mytrip deal was found by Cheapflights users on 7/31. 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.
Thu 9/1012:09 pm
CLT
- ONT
1 stop8h 39m
Frontier
Deal found 7/31![Frontier logo]()
$127
This Booking.com deal was found by Cheapflights users on 7/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:31 pm
CLT
- ONT
1 stop17h 01m
Frontier
Deal found 7/29![Frontier logo]()
$128
This Super.com deal was found by Cheapflights users on 8/1. 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.
Mon 8/245:21 pm
CLT
- ONT
1 stop19h 43m
Frontier
Deal found 8/1![Frontier logo]()
$130
This Frontier deal was found by Cheapflights users on 8/1. 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.
Mon 11/210:41 pm
CLT
- ONT
1 stop14h 12m
Frontier
Deal found 8/1![Frontier logo]()
$132
This Super.com deal was found by Cheapflights users on 7/31. 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 8/215:21 pm
CLT
- ONT
1 stop9h 29m
Frontier
Deal found 7/31![Frontier logo]()
$143
This Frontier deal was found by Cheapflights users on 8/2. 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 10/212:09 pm
CLT
- ONT
1 stop8h 39m
Frontier
Deal found 8/2![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Fri 8/285:21 pm
CLT
- ONT
1 stop19h 43m
Frontier
Deal found 7/30![Frontier logo]()
$146
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 August 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $244 (Frontier) |
One-way from | $120 (Super.com) |
Popular in | March |
Cheapest in | September |
Average price | $354 |
Good round-trip deal | $443 or less |
Good one-way deal | $357 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 2,558,603 searches. Data last updated August 2, 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 - ONT
CLTONT
Charlotte Douglas
Sat 9/5
10:30 am-4:00 pm
1 stop8h 30m
Ontario
Mon 9/7
11:55 pm-11:55 am
1 stop9h 00m
$377
CharlotteOntario
CLT - ONT
CLTONT
Charlotte Douglas
Fri 8/21
6:35 am-11:25 am
2 stops7h 50m
Ontario
Wed 8/26
5:45 am-5:55 pm
2 stops9h 10m
$416
CharlotteOntario
CLT - ONT
CLTONT
Charlotte Douglas
Sat 8/22
11:45 am-6:12 pm
1 stop9h 27m
Ontario
Tue 8/25
1:18 pm-11:26 pm
1 stop7h 08m
$473
CharlotteOntario
CLT - ONT
CLTONT
Charlotte Douglas
Sat 8/29
12:34 pm-8:53 pm
2 stops11h 19m
Ontario
Mon 8/31
7:13 pm-10:08 am
2 stops11h 55m
$483
CharlotteOntario
CLT - ONT
CLTONT
Charlotte Douglas
Wed 8/26
8:05 am-8:01 pm
2 stops14h 56m
Ontario
Wed 9/2
5:00 am-8:44 pm
2 stops12h 44m
$511
CharlotteOntario
CLT - ONT
CLTONT
Charlotte Douglas
Sat 8/22
8:05 am-6:12 pm
2 stops13h 07m
Ontario
Mon 8/24
6:00 am-11:26 pm
2 stops14h 26m
$521
CharlotteOntario
CLT - ONT
CLTONT
Charlotte Douglas
Thu 8/6
6:45 am-10:42 am
1 stop6h 57m
Ontario
Tue 8/11
6:00 am-4:42 pm
1 stop7h 42m
$553
CharlotteOntario
CLT - ONT
CLTONT
Charlotte Douglas
Sat 8/8
1:57 pm-6:30 pm
1 stop7h 33m
Ontario
Mon 8/17
12:00 pm-9:58 pm
1 stop6h 58m
$553
CharlotteOntario
CLT - ONT
CLTONT
Charlotte Douglas
Mon 9/21
6:01 pm-10:59 pm
1 stop7h 58m
Ontario
Sun 9/27
6:00 am-9:15 pm
2 stops12h 15m
$572
CharlotteOntario
CLT - ONT
CLTONT
Charlotte Douglas
Sat 10/24
12:30 pm-9:59 pm
2 stops12h 29m
Ontario
Sun 10/25
5:00 am-3:16 pm
1 stop7h 16m
$572
Showing 1-10 of 22 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 August.
| 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
How far ahead should I book a flight from Charlotte to Ontario?
The best time to book flights from Charlotte to Ontario is 23 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, September is the cheapest month in which you can book a flight from Charlotte to Ontario (average of $353). Flying from Charlotte to Ontario in March is currently the most expensive (average of $523). 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 August 2, 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.
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 August 2, 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.
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Charlotte to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Charlotte to Ontario
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Charlotte to Ontario by cabin class
Find flights from Charlotte to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 2, 2026.
Charlotte and Ontario flights
Browse other Charlotte and Ontario flight options. Last updated on August 2, 2026.
Other flights from Charlotte
Browse through other flights departing from Charlotte. Flights are based on user searches made on Cheapflights and were last updated on August 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 2,558,603 searches. Data last updated August 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$210 | Average$350 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$293 | Average$445 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$299 | Average$459 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$316 | Average$415 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$318 | Average$462 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$378 | Average$441 | FlexibilityNo cancel fee | On-time62% |