$172+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — ONT
Nov 4 — Nov 111
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
One-way
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 October 5, 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 October 5, 2026.
This American Airlines deal was found by Cheapflights users on 9/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/313:41 pm -
1 stop8h 30m
Tue 11/312:42 pm -
1 stop6h 44m
Deal found 9/29![American Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 9/29. 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 10/3111:12 am -
2 stops13h 28m
Tue 11/36:00 am -
1 stop7h 19m
Deal found 9/29![United Airlines logo]()
$362
This American Airlines deal was found by Cheapflights users on 9/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:25 pm -
1 stop7h 27m
Tue 11/312:42 pm -
1 stop6h 44m
Deal found 9/29![American Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 9/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:35 am -
1 stop6h 50m
Tue 11/35:45 am -
2 stops8h 40m
Deal found 9/29![Southwest logo]()
$377
This American Airlines deal was found by Cheapflights users on 9/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:10 am -
2 stops10h 22m
Mon 11/1610:30 pm -
1 stop8h 18m
Deal found 9/30![American Airlines logo]()
$400
This Southwest deal was found by Cheapflights users on 10/1. 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.
Tue 11/244:45 pm -
1 stop8h 45m
Tue 12/18:40 am -
2 stops10h 00m
Deal found 10/1![Southwest logo]()
$402
This Delta deal was found by Cheapflights users on 9/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:05 am -
1 stop7h 01m
Mon 11/912:18 pm -
1 stop6h 46m
Deal found 9/30![Delta logo]()
$408
This American Airlines deal was found by Cheapflights users on 10/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/307:00 am -
1 stop9h 30m
Thu 12/3112:51 pm -
1 stop6h 46m
Deal found 10/2![American Airlines logo]()
$412
This Southwest deal was found by Cheapflights users on 9/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:35 am -
1 stop6h 50m
Sun 11/112:40 pm -
1 stop8h 50m
Deal found 9/29![Southwest logo]()
$422
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Thu 10/2911:12 am -
2 stops13h 28m
Sun 11/15:00 am -
1 stop7h 06m
Deal found 9/29![United Airlines logo]()
$427
This Southwest deal was found by Cheapflights users on 10/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/306:40 am -
2 stops12h 40m
Thu 12/318:40 am -
2 stops9h 55m
Deal found 10/2![Southwest logo]()
$428
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 October 5, 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 October 5, 2026.
This Southwest deal was found by Cheapflights users on 9/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:45 am -
2 stops12h 00m
Tue 11/35:45 am -
2 stops8h 40m
Deal found 9/29![Southwest logo]()
$382
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Thu 10/2911:12 am -
2 stops13h 28m
Sun 11/15:00 am -
1 stop7h 06m
Deal found 9/29![United Airlines logo]()
$427
This Southwest deal was found by Cheapflights users on 9/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:35 am -
1 stop6h 50m
Sun 11/112:40 pm -
1 stop8h 50m
Deal found 9/29![Southwest logo]()
$422
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Wed 10/284:15 pm -
1 stop7h 36m
Sat 10/315:00 am -
1 stop7h 08m
Deal found 9/29![United Airlines logo]()
$487
This Southwest deal was found by Cheapflights users on 10/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:45 pm -
2 stops10h 10m
Tue 12/18:40 am -
2 stops10h 00m
Deal found 10/2![Southwest logo]()
$447
This Southwest deal was found by Cheapflights users on 10/1. 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.
Tue 11/245:55 am -
2 stops9h 30m
Tue 12/18:40 am -
2 stops10h 00m
Deal found 10/1![Southwest logo]()
$449
This United Airlines deal was found by Cheapflights users on 10/1. 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 11/712:30 pm -
1 stop9h 17m
Fri 11/135:00 am -
1 stop7h 06m
Deal found 10/1![United Airlines logo]()
$538
This Southwest deal was found by Cheapflights users on 10/1. 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.
Wed 11/254:55 pm -
2 stops10h 00m
Mon 11/305:00 am -
2 stops10h 05m
Deal found 10/1![Southwest logo]()
$494
This United Airlines deal was found by Cheapflights users on 9/30. 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 10/244:57 pm -
1 stop8h 54m
Sun 10/255:00 am -
1 stop7h 06m
Deal found 9/30![United Airlines logo]()
$582
This Southwest deal was found by Cheapflights users on 10/3. 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.
Mon 10/266:40 pm -
2 stops8h 10m
Wed 10/286:10 am -
2 stops8h 55m
Deal found 10/3![Southwest logo]()
$557
Last-minute flights from Charleston to OntarioDiscover last-minute flight deals from Charleston to Ontario. Data last updated October 5, 2026 and is based on user searches.
Discover last-minute flight deals from Charleston to Ontario. Data last updated October 5, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:05 am -
1 stop7h 01m
Mon 11/912:18 pm -
1 stop6h 46m
Deal found 9/30![Delta logo]()
$408
This American Airlines deal was found by Cheapflights users on 9/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:18 pm -
1 stop7h 28m
Mon 11/1611:59 pm -
1 stop9h 17m
Deal found 9/30![American Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 10/1. 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.
Tue 11/244:45 pm -
1 stop8h 45m
Tue 12/18:40 am -
2 stops10h 00m
Deal found 10/1![Southwest logo]()
$402
This Southwest deal was found by Cheapflights users on 10/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:45 pm -
2 stops10h 10m
Tue 12/18:40 am -
2 stops10h 00m
Deal found 10/2![Southwest logo]()
$447
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 October 5, 2026.
Search for one-way flight options from Charleston to Ontario. Find affordable one-way fares based on user searches. Data last updated October 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/30. 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.
Sun 11/157:00 am -
2 stops15h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$172
This American Airlines deal was found by Cheapflights users on 10/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/57:00 am -
1 stop9h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![American Airlines logo]()
$179
This Southwest deal was found by Cheapflights users on 10/1. 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.
Tue 1/56:35 am -
2 stops10h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Southwest logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:00 am -
2 stops15h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Multiple Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:20 am -
3 stops56h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Multiple Airlines logo]()
$213
This Delta deal was found by Cheapflights users on 10/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:40 pm -
1 stop8h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Delta logo]()
$219
This Southwest deal was found by Cheapflights users on 10/4. 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 10/305:35 am -
1 stop6h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Southwest logo]()
$224
This Southwest deal was found by Cheapflights users on 10/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/306:40 am -
2 stops12h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Southwest logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/53:00 pm -
3 stops43h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Multiple Airlines logo]()
$241
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 October 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $323 (Southwest) |
One-way from | $172 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $596 |
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 October 5, 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
Fri 10/23
12:40 pm-6:22 pm
1 stop8h 42m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$219
CharlestonOntario
CHS Charleston - ONT Ontario
CHSONT
Charleston
Wed 12/2
6:35 am-12:10 pm
2 stops8h 35m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$224
Quickest round-trip
CharlestonOntario
CHS Charleston - ONT Ontario
CHSONT
Charleston
Fri 10/30
5:35 am-9:25 am
1 stop6h 50m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$224
CharlestonOntario
CHS Charleston - ONT Ontario
CHSONT
Charleston
Wed 10/28
5:00 pm-9:40 pm
1 stop7h 40m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$244
CharlestonOntario
CHS Charleston - ONT Ontario
CHSONT
Charleston
Sun 11/15
6:34 am-11:03 am
1 stop7h 29m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$244
CharlestonOntario
CHS Charleston - ONT Ontario
CHSONT
Charleston
Fri 12/25
4:55 pm-10:31 pm
1 stop8h 36m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$309
CharlestonOntario
CHS Charleston - ONT Ontario
CHSONT
Charleston
Sat 1/2
10:30 am-6:10 pm
2 stops10h 40m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$309
CharlestonOntario
CHS Charleston - ONT Ontario
CHSONT
Charleston
Thu 10/22
5:30 am-11:06 am
1 stop8h 36m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$314
CharlestonOntario
CHS Charleston - ONT Ontario
CHSONT
Charleston
Fri 11/13
2:52 pm-10:48 pm
2 stops10h 56m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$314
CharlestonOntario
CHS Charleston - ONT Ontario
CHSONT
Charleston
Thu 10/22
2:35 pm-6:25 pm
1 stop6h 50m
Ontario
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$314
Showing 1-10 of 21 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 October.
| 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 October 5, 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
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Food
7.0
Crew
8.6
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 Charleston to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Ontario flight routes
Other flight options
Other flights from Charleston
Popular flights
Alternative routes for Charleston to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
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 October 5, 2026.
Charleston and Ontario flights
Browse other Charleston and Ontario flight options. Last updated on October 5, 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 October 5, 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 October 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$168 | Average$537 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$322 | Average$536 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$378 | Average$528 | FlexibilityNo cancel fee | On-time63% |