$135+ Cheap flights from Ontario to Charleston (ONT - CHS)
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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — CHS
Mar 10 — Mar 171
1 adult, Economy
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Find cheap flights from Ontario to Charleston with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Charleston
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to CharlestonExplore the most affordable flight options available from Ontario to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 8, 2026.
Explore the most affordable flight options available from Ontario to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 8, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1012:02 pm
ONT
- CHS
1 stop26h 30m
Alaska Airlines
Tue 3/176:32 pm
CHS
- ONT
1 stop32h 27m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 2/5. 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 2/281:15 pm
ONT
- CHS
1 stop7h 39m
Delta
Tue 3/175:27 am
CHS
- ONT
1 stop9h 20m
Delta
Deal found 2/5![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 2/5. 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 4/410:25 pm
ONT
- CHS
1 stop8h 32m
Delta
Tue 4/142:21 pm
CHS
- ONT
1 stop9h 39m
Delta
Deal found 2/5![Delta logo]()
$351
This Delta deal was found by Cheapflights users on 2/5. 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 4/410:25 pm
ONT
- CHS
1 stop7h 16m
Delta
Sat 4/185:20 am
CHS
- ONT
2 stops9h 54m
Delta
Deal found 2/5![Delta logo]()
$356
This American Airlines deal was found by Cheapflights users on 2/7. 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.
Wed 4/87:30 am
ONT
- CHS
1 stop8h 10m
American Airlines
Sat 4/117:30 pm
CHS
- ONT
1 stop7h 16m
American Airlines
Deal found 2/7![American Airlines logo]()
$360
This United Airlines deal was found by Cheapflights users on 2/6. 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 4/146:00 am
ONT
- CHS
2 stops12h 25m
United Airlines
Sat 4/182:51 pm
CHS
- ONT
2 stops10h 35m
United Airlines
Deal found 2/6![United Airlines logo]()
$361
This Southwest deal was found by Cheapflights users on 2/6. 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 3/145:25 am
ONT
- CHS
1 stop13h 15m
Southwest
Wed 3/186:15 am
CHS
- ONT
2 stops10h 45m
Southwest
Deal found 2/6![Southwest logo]()
$362
This Expedia deal was found by Cheapflights users on 2/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2712:02 pm
ONT
- CHS
1 stop26h 30m
Alaska Airlines
Mon 3/26:32 pm
CHS
- ONT
1 stop19h 36m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 2/5. 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 4/412:57 pm
ONT
- CHS
1 stop7h 58m
Delta
Wed 4/157:05 am
CHS
- ONT
2 stops16h 55m
Delta
Deal found 2/5![Delta logo]()
$367
This Delta deal was found by Cheapflights users on 2/5. 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 4/112:57 pm
ONT
- CHS
1 stop7h 58m
Delta
Mon 4/134:36 pm
CHS
- ONT
1 stop7h 24m
Delta
Deal found 2/5![Delta logo]()
$368
This Delta deal was found by Cheapflights users on 2/5. 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 4/110:25 pm
ONT
- CHS
1 stop7h 16m
Delta
Tue 4/147:05 am
CHS
- ONT
2 stops16h 55m
Delta
Deal found 2/5![Delta logo]()
$372
Best flights from Ontario to CharlestonDiscover carefully curated flight deals from Ontario to Charleston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 8, 2026.
Discover carefully curated flight deals from Ontario to Charleston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 8, 2026.
This United Airlines deal was found by Cheapflights users on 2/6. 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 3/711:59 pm
ONT
- CHS
1 stop8h 06m
United Airlines
Sat 3/144:55 pm
CHS
- ONT
1 stop8h 23m
United Airlines
Deal found 2/6![United Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 2/5. 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 2/281:15 pm
ONT
- CHS
1 stop7h 39m
Delta
Tue 3/175:27 am
CHS
- ONT
1 stop9h 20m
Delta
Deal found 2/5![Delta logo]()
$344
This American Airlines deal was found by Cheapflights users on 2/6. 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.
Sat 4/410:56 am
ONT
- CHS
1 stop8h 28m
American Airlines
Wed 4/82:59 pm
CHS
- ONT
1 stop9h 08m
American Airlines
Deal found 2/6![American Airlines logo]()
$351
This Southwest deal was found by Cheapflights users on 2/5. 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 5/25:40 am
ONT
- CHS
2 stops9h 25m
Southwest
Tue 5/57:40 am
CHS
- ONT
2 stops10h 25m
Southwest
Deal found 2/5![Southwest logo]()
$361
This Delta deal was found by Cheapflights users on 2/6. 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 3/1410:25 pm
ONT
- CHS
1 stop7h 16m
Delta
Wed 3/185:27 am
CHS
- ONT
1 stop9h 20m
Delta
Deal found 2/6![Delta logo]()
$351
This United Airlines deal was found by Cheapflights users on 2/6. 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 4/145:10 am
ONT
- CHS
1 stop6h 51m
United Airlines
Sat 4/184:55 pm
CHS
- ONT
1 stop8h 31m
United Airlines
Deal found 2/6![United Airlines logo]()
$351
Last-minute flights from Ontario to CharlestonDiscover last-minute flight deals from Ontario to Charleston. Data last updated February 8, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Charleston. Data last updated February 8, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 2/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2712:02 pm
ONT
- CHS
1 stop26h 30m
Alaska Airlines
Mon 3/26:32 pm
CHS
- ONT
1 stop19h 36m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 2/5. 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 2/271:15 pm
ONT
- CHS
2 stops22h 23m
Delta
Tue 3/175:27 am
CHS
- ONT
1 stop9h 20m
Delta
Deal found 2/5![Delta logo]()
$372
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2712:02 pm
ONT
- CHS
1 stop26h 30m
Alaska Airlines
Tue 3/176:32 pm
CHS
- ONT
1 stop32h 27m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$383
This Delta deal was found by Cheapflights users on 2/5. 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 2/281:15 pm
ONT
- CHS
1 stop7h 39m
Delta
Tue 3/175:27 am
CHS
- ONT
1 stop9h 20m
Delta
Deal found 2/5![Delta logo]()
$344
This CheapOair deal was found by Cheapflights users on 2/5. 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.
Fri 3/64:02 pm
ONT
- CHS
1 stop22h 30m
Alaska Airlines
Fri 3/136:32 pm
CHS
- ONT
1 stop19h 36m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$391
This United Airlines deal was found by Cheapflights users on 2/6. 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 3/711:59 pm
ONT
- CHS
2 stops10h 55m
United Airlines
Sat 3/142:48 pm
CHS
- ONT
2 stops10h 30m
United Airlines
Deal found 2/6![United Airlines logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1012:02 pm
ONT
- CHS
1 stop26h 30m
Alaska Airlines
Tue 3/176:32 pm
CHS
- ONT
1 stop32h 27m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 2/6. 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 3/1410:25 pm
ONT
- CHS
1 stop7h 16m
Delta
Wed 3/185:27 am
CHS
- ONT
1 stop9h 20m
Delta
Deal found 2/6![Delta logo]()
$351
This Southwest deal was found by Cheapflights users on 2/6. 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 3/145:25 am
ONT
- CHS
1 stop13h 15m
Southwest
Wed 3/186:15 am
CHS
- ONT
2 stops10h 45m
Southwest
Deal found 2/6![Southwest logo]()
$362
This Delta deal was found by Cheapflights users on 2/7. 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.
Mon 3/3012:57 pm
ONT
- CHS
1 stop8h 19m
Delta
Tue 4/75:27 am
CHS
- ONT
1 stop9h 20m
Delta
Deal found 2/7![Delta logo]()
$394
One-way flights from Ontario to CharlestonSearch for one-way flight options from Ontario to Charleston. Find affordable one-way fares based on user searches. Data last updated February 8, 2026.
Search for one-way flight options from Ontario to Charleston. Find affordable one-way fares based on user searches. Data last updated February 8, 2026.
This Expedia deal was found by Cheapflights users on 2/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:25 pm
ONT
- CHS
1 stop12h 15m
JetBlue
Deal found 2/5![JetBlue logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
Mon 3/910:57 am
ONT
- CHS
3 stops50h 08m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 2/5. 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 5/127:29 pm
ONT
- CHS
3 stops24h 12m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$157
This United Airlines deal was found by Cheapflights users on 2/5. 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 3/911:59 pm
ONT
- CHS
1 stop9h 06m
United Airlines
Deal found 2/5![United Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 3/182:23 pm
ONT
- CHS
2 stops28h 50m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$171
This American Airlines deal was found by Cheapflights users on 2/5. 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 3/911:58 pm
ONT
- CHS
2 stops9h 23m
American Airlines
Deal found 2/5![American Airlines logo]()
$174
This Delta deal was found by Cheapflights users on 2/4. 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 3/1410:25 pm
ONT
- CHS
1 stop7h 16m
Delta
Deal found 2/4![Delta logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
Sun 2/2210:18 pm
ONT
- CHS
2 stops33h 59m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$181
This United Airlines deal was found by Cheapflights users on 2/6. 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.
Sun 3/811:59 pm
ONT
- CHS
1 stop9h 06m
United Airlines
Deal found 2/6![United Airlines logo]()
$196
This American Airlines deal was found by Cheapflights users on 2/7. 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.
Tue 4/76:00 am
ONT
- CHS
1 stop6h 30m
American Airlines
Deal found 2/7![American Airlines logo]()
$197
Find flight deals from Ontario to Charleston
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Charleston (CHS). 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 February 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $343 (Alaska Airlines) |
One-way from | $135 (Expedia) |
Popular in | October |
Cheapest in | August |
Average price | $392 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Charleston 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 February 8, 2026.
Use the filters below to find and compare flights from Ontario to Charleston that are best for you.
Fly from
Ontario
Fly to
Charleston
Route
Depart
Return
Price
OntarioCharleston
ONT - CHS
ONTCHS
Ontario
Sat 3/7
11:59 pm-12:05 pm
1 stop8h 06m
Charleston
Sat 3/14
4:55 pm-10:18 pm
1 stop8h 23m
$344
OntarioCharleston
ONT - CHS
ONTCHS
Ontario
Sat 2/28
1:15 pm-11:54 pm
1 stop7h 39m
Charleston
Tue 3/17
5:27 am-11:47 am
1 stop9h 20m
$344
OntarioCharleston
ONT - CHS
ONTCHS
Ontario
Sat 4/4
10:56 am-10:24 pm
1 stop8h 28m
Charleston
Wed 4/8
2:59 pm-9:07 pm
1 stop9h 08m
$351
OntarioCharleston
ONT - CHS
ONTCHS
Ontario
Sat 3/14
10:25 pm-8:41 am
1 stop7h 16m
Charleston
Wed 3/18
5:27 am-11:47 am
1 stop9h 20m
$351
OntarioCharleston
ONT - CHS
ONTCHS
Ontario
Tue 4/14
5:10 am-3:01 pm
1 stop6h 51m
Charleston
Sat 4/18
4:55 pm-10:26 pm
1 stop8h 31m
$351
OntarioCharleston
ONT - CHS
ONTCHS
Ontario
Sat 5/2
5:40 am-6:05 pm
2 stops9h 25m
Charleston
Tue 5/5
7:40 am-3:05 pm
2 stops10h 25m
$361
OntarioCharleston
ONT - CHS
ONTCHS
Ontario
Mon 3/9
10:57 am-4:05 pm
3 stops50h 08m
$141
OntarioCharleston
ONT - CHS
ONTCHS
Ontario
Wed 3/18
1:20 pm-10:25 pm
1 stop6h 05m
$169
OntarioCharleston
ONT - CHS
ONTCHS
Ontario
Thu 3/5
1:15 pm-10:35 pm
1 stop6h 20m
$169
OntarioCharleston
ONT - CHS
ONTCHS
Ontario
Mon 3/9
11:58 pm-11:56 am
1 stop8h 58m
$169
Showing 1-10 of 16 results
Compare providers for flights from Ontario to Charleston
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 Ontario to Charleston in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Charleston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Charleston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Charleston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Charleston 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 Ontario-Charleston 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 Ontario to Charleston
Have a flexible travel schedule? Discover the best time to fly to Charleston from Ontario with our price prediction graph.
ONT-CHS
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 Ontario to Charleston
Reviews of airlines servicing Charleston
Get insights into the airlines that provide service to Charleston. 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 Charleston. Reviews last updated February 8, 2026.
See what other customers who have flown with Southwest, Delta, and United Airlines from Ontario to Charleston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Charleston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Charleston?
Book flights to Charleston if you plan to visit one of these locationsNorth Charleston
Santee
Summerville
Walterboro
Isle of Palms
Mount Pleasant
Edisto Beach
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Other flights to Charleston
Explore flights to Charleston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 8, 2026.
Complete your trip
Complete your trip to Charleston by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Ontario to Charleston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Charleston flights
Browse other Ontario and Charleston flight options. Last updated on February 8, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on February 8, 2026.
Popular flight searches
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Top 4 airlines flying from Ontario to Charleston
Discover the top 4 airlines that operate flights from Ontario to Charleston. 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 February 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$270 | Average$400 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$296 | Average$346 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$336 | Average$436 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$359 | Average$417 | FlexibilityNo cancel fee | On-time63% |