$169+ Cheap flights from Charleston to Ontario (CHS - 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — ONT
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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Find cheap flights from Charleston 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.Cheap flight deals from Charleston to Ontario
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Cheapest flights from Charleston to OntarioExplore the most affordable flight options available from Charleston to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
Explore the most affordable flight options available from Charleston to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 9, 2026.
This Delta deal was found by Cheapflights users on 9/9. 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 10/154:20 pm -
1 stop8h 34m
Sat 10/317:07 am -
1 stop7h 17m
Deal found 9/9![Delta logo]()
$337
This Delta deal was found by Cheapflights users on 9/9. 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 10/165:35 pm -
1 stop7h 34m
Tue 10/2712:16 pm -
1 stop8h 43m
Deal found 9/9![Delta logo]()
$352
This American Airlines deal was found by Cheapflights users on 9/9. 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 11/112:40 pm -
2 stops12h 06m
Mon 11/1610:30 pm -
1 stop8h 18m
Deal found 9/9![American Airlines logo]()
$386
This Delta deal was found by Cheapflights users on 9/9. 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 10/154:20 pm -
1 stop8h 34m
Mon 10/2611:15 pm -
1 stop7h 55m
Deal found 9/9![Delta logo]()
$388
This American Airlines deal was found by Cheapflights users on 9/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:46 pm -
1 stop8h 51m
Mon 10/1211:59 pm -
1 stop9h 34m
Deal found 9/8![American Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 9/9. 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 10/164:20 pm -
1 stop8h 49m
Mon 10/2611:15 pm -
1 stop7h 55m
Deal found 9/9![Delta logo]()
$403
This American Airlines deal was found by Cheapflights users on 9/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am -
1 stop9h 30m
Sun 11/110:30 pm -
1 stop8h 18m
Deal found 9/8![American Airlines logo]()
$412
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:55 pm -
2 stops10h 50m
Sun 11/112:40 pm -
1 stop8h 50m
Deal found 9/8![Southwest logo]()
$417
This United Airlines deal was found by Cheapflights users on 9/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:05 pm -
1 stop7h 54m
Sat 10/106:00 am -
2 stops12h 41m
Deal found 9/4![United Airlines logo]()
$432
Best flights from Charleston to OntarioDiscover carefully curated flight deals from Charleston to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Charleston to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:55 pm -
2 stops10h 50m
Sun 11/112:40 pm -
1 stop8h 50m
Deal found 9/8![Southwest logo]()
$417
This United Airlines deal was found by Cheapflights users on 9/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:05 pm -
1 stop7h 54m
Sat 10/106:00 am -
2 stops12h 41m
Deal found 9/4![United Airlines logo]()
$432
This Delta deal was found by Cheapflights users on 9/5. 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 10/95:35 pm -
1 stop7h 19m
Sun 10/1111:15 pm -
1 stop7h 55m
Deal found 9/5![Delta logo]()
$493
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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.
Wed 10/286:59 pm -
1 stop31h 43m
Sat 10/316:02 am -
1 stop8h 53m
Deal found 9/5![Alaska Airlines logo]()
$505
This Southwest deal was found by Cheapflights users on 9/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:50 pm -
2 stops10h 05m
Mon 10/1911:55 pm -
1 stop13h 45m
Deal found 9/4![Southwest logo]()
$438
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:00 pm -
1 stop7h 40m
Sat 10/316:00 am -
2 stops13h 12m
Deal found 9/8![United Airlines logo]()
$452
This Delta deal was found by Cheapflights users on 9/5. 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.
Thu 12/174:18 pm -
1 stop8h 38m
Sat 1/97:00 am -
1 stop7h 55m
Deal found 9/5![Delta logo]()
$503
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/3112:30 pm -
1 stop9h 17m
Wed 11/45:00 am -
2 stops10h 04m
Deal found 9/9![United Airlines logo]()
$522
This Delta deal was found by Cheapflights users on 9/5. 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 1/156:00 am -
1 stop8h 27m
Fri 2/57:00 am -
1 stop8h 54m
Deal found 9/5![Delta logo]()
$546
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:15 pm -
1 stop7h 36m
Mon 11/237:00 am -
2 stops13h 59m
Deal found 9/7![United Airlines logo]()
$582
Last-minute flights from Charleston to OntarioDiscover last-minute flight deals from Charleston to Ontario. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Charleston to Ontario. Data last updated September 9, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:46 pm -
1 stop8h 51m
Mon 10/1211:59 pm -
1 stop9h 34m
Deal found 9/8![American Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 9/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:05 pm -
1 stop7h 54m
Sat 10/106:00 am -
2 stops12h 41m
Deal found 9/4![United Airlines logo]()
$432
This Delta deal was found by Cheapflights users on 9/9. 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 10/154:20 pm -
1 stop8h 34m
Sat 10/317:07 am -
1 stop7h 17m
Deal found 9/9![Delta logo]()
$337
This Delta deal was found by Cheapflights users on 9/9. 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 10/154:20 pm -
1 stop8h 34m
Mon 10/2611:15 pm -
1 stop7h 55m
Deal found 9/9![Delta logo]()
$388
This Delta deal was found by Cheapflights users on 9/9. 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 10/165:35 pm -
1 stop7h 34m
Tue 10/2712:16 pm -
1 stop8h 43m
Deal found 9/9![Delta logo]()
$352
This Delta deal was found by Cheapflights users on 9/9. 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 10/164:20 pm -
1 stop8h 49m
Mon 10/2611:15 pm -
1 stop7h 55m
Deal found 9/9![Delta logo]()
$403
This Southwest deal was found by Cheapflights users on 9/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:50 pm -
1 stop8h 30m
Fri 10/1611:55 pm -
1 stop8h 25m
Deal found 9/4![Southwest logo]()
$427
This Southwest deal was found by Cheapflights users on 9/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/164:50 pm -
2 stops10h 05m
Mon 10/1911:55 pm -
1 stop13h 45m
Deal found 9/4![Southwest logo]()
$438
This American Airlines deal was found by Cheapflights users on 9/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am -
1 stop9h 30m
Sun 11/110:30 pm -
1 stop8h 18m
Deal found 9/8![American Airlines logo]()
$412
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:55 pm -
2 stops10h 50m
Sun 11/112:40 pm -
1 stop8h 50m
Deal found 9/8![Southwest logo]()
$417
One-way flights from Charleston to OntarioSearch for one-way flight options from Charleston to Ontario. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from Charleston to Ontario. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This American Airlines deal was found by Cheapflights users on 9/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:26 pm -
1 stop9h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![American Airlines logo]()
$169
This United Airlines deal was found by Cheapflights users on 9/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:00 am -
2 stops12h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$174
This Southwest deal was found by Cheapflights users on 9/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1911:00 am -
1 stop7h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Southwest logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Thu 10/157:00 am -
2 stops15h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 10/133:00 pm -
3 stops47h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$206
This Delta deal was found by Cheapflights users on 9/7. 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.
Tue 10/134:20 pm -
1 stop7h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$214
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 10/107:08 pm -
1 stop7h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![American Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Tue 10/69:18 am -
3 stops34h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$217
Find flight deals from Charleston to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) 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 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $337 (Delta) |
One-way from | $169 (American Airlines) |
Popular in | December |
Cheapest in | February |
Average price | $482 |
Cheapflights Fare Finder
Customize your flight search to find flights from Charleston 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 9, 2026.
Use the filters below to find and compare flights from Charleston to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
CharlestonOntario
CHS Charleston - ONT Ontario
CHSONT
Charleston
Tue 10/6
6:00 am-3:22 pm
2 stops12h 22m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$174
CharlestonOntario
CHS Charleston - ONT Ontario
CHSONT
Charleston
Thu 11/19
11:00 am-3:10 pm
1 stop7h 10m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$184
CharlestonOntario
CHS Charleston - ONT Ontario
CHSONT
Charleston
Thu 12/31
8:00 am-6:15 pm
1 stop13h 15m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$219
CharlestonOntario
CHS Charleston - ONT Ontario
CHSONT
Charleston
Thu 12/31
6:00 am-10:00 am
1 stop7h 00m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$224
CharlestonOntario
CHS Charleston - ONT Ontario
CHSONT
Charleston
Sat 10/24
4:57 pm-10:51 pm
1 stop8h 54m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$224
CharlestonOntario
CHS Charleston - ONT Ontario
CHSONT
Charleston
Thu 10/1
4:13 pm-8:58 pm
1 stop7h 45m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$224
Quickest round-trip
CharlestonOntario
CHS Charleston - ONT Ontario
CHSONT
Charleston
Sat 1/30
7:40 am-11:27 am
1 stop6h 47m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$225
CharlestonOntario
CHS Charleston - ONT Ontario
CHSONT
Charleston
Fri 1/29
5:30 am-11:27 am
1 stop8h 57m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$225
CharlestonOntario
CHS Charleston - ONT Ontario
CHSONT
Charleston
Fri 11/27
7:05 am-11:08 am
1 stop7h 03m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$240
CharlestonOntario
CHS Charleston - ONT Ontario
CHSONT
Charleston
Fri 1/1
6:00 am-10:00 am
1 stop7h 00m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$240
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Charleston 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 Charleston to Ontario in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Charleston-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Charleston-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Charleston-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Charleston-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 Charleston-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 Charleston to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Charleston with our price prediction graph.
CHS-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 Charleston to Ontario
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 9, 2026.
Read reviews from past customers who have flown Southwest,Delta, andAmerican Airlines from Charleston 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
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Overall
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Charleston 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 Charleston 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 Charleston to Ontario by cabin class
Find flights from Charleston 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 September 9, 2026.
Charleston and Ontario flights
Browse other Charleston and Ontario flight options. Last updated on September 9, 2026.
Other flights from Charleston
Browse through other flights departing from Charleston. Flights are based on user searches made on Cheapflights and were last updated on September 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Charleston to Ontario
Discover the top 3 airlines that operate flights from Charleston 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 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$168 | Average$532 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$322 | Average$433 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$378 | Average$517 | FlexibilityNo cancel fee | On-time63% |