$179+ Cheap flights from Charleston to Ontario (CHS - 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — ONT
May 18 — May 251
Round-trip
1 adult, Economy
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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
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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 April 18, 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 April 18, 2026.
This Delta deal was found by Cheapflights users on 4/16. 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 9/12:25 pm
CHS
- ONT
1 stop6h 36m
Delta
Wed 9/27:00 am
ONT
- CHS
1 stop6h 54m
Delta
Deal found 4/16![Delta logo]()
$387
This Delta deal was found by Cheapflights users on 4/14. 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 6/306:15 am
CHS
- ONT
1 stop7h 25m
Delta
Tue 7/2110:00 pm
ONT
- CHS
1 stop8h 01m
Delta
Deal found 4/14![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 4/15. 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 5/97:30 pm
CHS
- ONT
1 stop7h 16m
American Airlines
Sat 5/1610:26 pm
ONT
- CHS
1 stop7h 05m
American Airlines
Deal found 4/15![American Airlines logo]()
$390
This Delta deal was found by Cheapflights users on 4/16. 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 7/145:00 pm
CHS
- ONT
1 stop7h 44m
Delta
Tue 7/2110:00 pm
ONT
- CHS
1 stop8h 01m
Delta
Deal found 4/16![Delta logo]()
$391
This Delta deal was found by Cheapflights users on 4/13. 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 5/274:55 pm
CHS
- ONT
1 stop7h 53m
Delta
Thu 5/2810:00 pm
ONT
- CHS
1 stop8h 38m
Delta
Deal found 4/13![Delta logo]()
$393
This Delta deal was found by Cheapflights users on 4/14. 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 6/307:20 am
CHS
- ONT
1 stop6h 20m
Delta
Wed 7/225:16 pm
ONT
- CHS
2 stops13h 57m
Delta
Deal found 4/14![Delta logo]()
$394
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Thu 5/74:46 pm
CHS
- ONT
1 stop7h 21m
American Airlines
Mon 5/1111:29 pm
ONT
- CHS
1 stop9h 23m
American Airlines
Deal found 4/16![American Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 4/13. 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 5/75:15 am
CHS
- ONT
2 stops10h 04m
Delta
Mon 5/114:57 pm
ONT
- CHS
2 stops13h 43m
Delta
Deal found 4/13![Delta logo]()
$409
This Southwest deal was found by Cheapflights users on 4/13. 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 5/277:15 am
CHS
- ONT
1 stop9h 00m
Southwest
Thu 5/289:55 pm
ONT
- CHS
1 stop9h 20m
Southwest
Deal found 4/13![Southwest logo]()
$413
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 April 18, 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 April 18, 2026.
This Delta deal was found by Cheapflights users on 4/13. 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 5/274:55 pm
CHS
- ONT
1 stop7h 53m
Delta
Thu 5/284:57 pm
ONT
- CHS
2 stops12h 46m
Delta
Deal found 4/13![Delta logo]()
$398
This Southwest deal was found by Cheapflights users on 4/13. 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 5/277:15 am
CHS
- ONT
1 stop9h 00m
Southwest
Thu 5/289:55 pm
ONT
- CHS
1 stop9h 20m
Southwest
Deal found 4/13![Southwest logo]()
$413
This United Airlines deal was found by Cheapflights users on 4/14. 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 5/55:08 pm
CHS
- ONT
1 stop8h 27m
United Airlines
Wed 5/66:00 am
ONT
- CHS
1 stop7h 11m
United Airlines
Deal found 4/14![United Airlines logo]()
$497
This Delta deal was found by Cheapflights users on 4/15. 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 5/124:55 pm
CHS
- ONT
1 stop7h 53m
Delta
Sun 5/1710:00 pm
ONT
- CHS
1 stop7h 43m
Delta
Deal found 4/15![Delta logo]()
$447
This Southwest deal was found by Cheapflights users on 4/14. 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 5/225:45 pm
CHS
- ONT
2 stops8h 20m
Southwest
Sun 5/249:55 pm
ONT
- CHS
1 stop9h 20m
Southwest
Deal found 4/14![Southwest logo]()
$497
This United Airlines deal was found by Cheapflights users on 4/16. 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 5/910:22 am
CHS
- ONT
1 stop10h 39m
United Airlines
Tue 5/125:00 am
ONT
- CHS
1 stop6h 59m
United Airlines
Deal found 4/16![United Airlines logo]()
$497
This Delta deal was found by Cheapflights users on 4/14. 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 6/306:15 am
CHS
- ONT
1 stop7h 25m
Delta
Thu 7/236:00 am
ONT
- CHS
2 stops9h 54m
Delta
Deal found 4/14![Delta logo]()
$467
This Delta deal was found by Cheapflights users on 4/16. 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 5/44:36 pm
CHS
- ONT
1 stop7h 24m
Delta
Mon 6/110:00 pm
ONT
- CHS
1 stop8h 38m
Delta
Deal found 4/16![Delta logo]()
$498
Last-minute flights from Charleston to OntarioDiscover last-minute flight deals from Charleston to Ontario. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from Charleston to Ontario. Data last updated April 18, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/14. 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 5/54:41 pm
CHS
- ONT
1 stop8h 55m
American Airlines
Wed 5/2010:59 am
ONT
- CHS
2 stops10h 25m
American Airlines
Deal found 4/14![American Airlines logo]()
$423
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Thu 5/74:46 pm
CHS
- ONT
1 stop7h 21m
American Airlines
Mon 5/1111:29 pm
ONT
- CHS
1 stop9h 23m
American Airlines
Deal found 4/16![American Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 4/13. 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 5/75:15 am
CHS
- ONT
2 stops10h 04m
Delta
Mon 5/114:57 pm
ONT
- CHS
2 stops13h 43m
Delta
Deal found 4/13![Delta logo]()
$409
This American Airlines deal was found by Cheapflights users on 4/15. 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 5/97:30 pm
CHS
- ONT
1 stop7h 16m
American Airlines
Sat 5/1610:26 pm
ONT
- CHS
1 stop7h 05m
American Airlines
Deal found 4/15![American Airlines logo]()
$390
This Delta deal was found by Cheapflights users on 4/15. 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 5/124:55 pm
CHS
- ONT
1 stop7h 53m
Delta
Sun 5/1710:00 pm
ONT
- CHS
1 stop7h 43m
Delta
Deal found 4/15![Delta logo]()
$447
This American Airlines deal was found by Cheapflights users on 4/14. 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 5/227:19 pm
CHS
- ONT
1 stop7h 40m
American Airlines
Sun 5/2412:40 pm
ONT
- CHS
1 stop7h 18m
American Airlines
Deal found 4/14![American Airlines logo]()
$477
This American Airlines deal was found by Cheapflights users on 4/17. 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 5/237:10 pm
CHS
- ONT
1 stop7h 49m
American Airlines
Sun 5/3110:00 pm
ONT
- CHS
1 stop9h 07m
American Airlines
Deal found 4/17![American Airlines logo]()
$454
This Southwest deal was found by Cheapflights users on 4/17. 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 5/2310:55 am
CHS
- ONT
2 stops9h 55m
Southwest
Sun 5/319:55 pm
ONT
- CHS
1 stop9h 20m
Southwest
Deal found 4/17![Southwest logo]()
$480
This Southwest deal was found by Cheapflights users on 4/13. 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 5/277:15 am
CHS
- ONT
1 stop9h 00m
Southwest
Thu 5/289:55 pm
ONT
- CHS
1 stop9h 20m
Southwest
Deal found 4/13![Southwest logo]()
$413
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 April 18, 2026.
Search for one-way flight options from Charleston to Ontario. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 5/163:44 pm
CHS
- ONT
2 stops42h 51m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$179
This Delta deal was found by Cheapflights users on 4/15. 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 5/96:03 pm
CHS
- ONT
1 stop6h 45m
Delta
Deal found 4/15![Delta logo]()
$194
This American Airlines deal was found by Cheapflights users on 4/15. 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 8/85:51 pm
CHS
- ONT
1 stop8h 07m
American Airlines
Deal found 4/15![American Airlines logo]()
$196
This American Airlines deal was found by Cheapflights users on 4/15. 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 8/112:07 pm
CHS
- ONT
2 stops11h 51m
American Airlines
Deal found 4/15![American Airlines logo]()
$199
This Delta deal was found by Cheapflights users on 4/16. 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 5/145:15 am
CHS
- ONT
1 stop8h 42m
Delta
Deal found 4/16![Delta logo]()
$200
This Priceline deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/711:05 am
CHS
- ONT
1 stop12h 08m
JetBlue
Deal found 4/15![JetBlue logo]()
$216
This Southwest deal was found by Cheapflights users on 4/15. 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 8/811:00 am
CHS
- ONT
2 stops8h 25m
Southwest
Deal found 4/15![Southwest logo]()
$225
This Delta deal was found by Cheapflights users on 4/13. 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 6/197:20 am
CHS
- ONT
1 stop6h 20m
Delta
Deal found 4/13![Delta logo]()
$239
This Delta deal was found by Cheapflights users on 4/16. 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 5/165:20 am
CHS
- ONT
1 stop8h 37m
Delta
Deal found 4/16![Delta logo]()
$240
This Southwest deal was found by Cheapflights users on 4/13. 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 6/194:10 pm
CHS
- ONT
2 stops10h 20m
Southwest
Deal found 4/13![Southwest logo]()
$244
This United Airlines deal was found by Cheapflights users on 4/17. 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 8/155:00 pm
CHS
- ONT
1 stop7h 59m
United Airlines
Deal found 4/17![United Airlines logo]()
$251
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 April 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $387 (Delta) |
One-way from | $179 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $378 |
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 2,558,603 searches. Data last updated April 18, 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 - ONT
CHSONT
Charleston
Wed 5/27
4:55 pm-9:48 pm
1 stop7h 53m
Ontario
Thu 5/28
4:57 pm-8:43 am
2 stops12h 46m
$398
CharlestonOntario
CHS - ONT
CHSONT
Charleston
Wed 5/27
7:15 am-1:15 pm
1 stop9h 00m
Ontario
Thu 5/28
9:55 pm-10:15 am
1 stop9h 20m
$413
Quickest round-trip
CharlestonOntario
CHS - ONT
CHSONT
Charleston
Tue 5/12
4:55 pm-9:48 pm
1 stop7h 53m
Ontario
Sun 5/17
10:00 pm-8:43 am
1 stop7h 43m
$447
CharlestonOntario
CHS - ONT
CHSONT
Charleston
Tue 6/30
6:15 am-10:40 am
1 stop7h 25m
Ontario
Thu 7/23
6:00 am-6:54 pm
2 stops9h 54m
$467
CharlestonOntario
CHS - ONT
CHSONT
Charleston
Tue 5/5
5:08 pm-10:35 pm
1 stop8h 27m
Ontario
Wed 5/6
6:00 am-4:11 pm
1 stop7h 11m
$497
CharlestonOntario
CHS - ONT
CHSONT
Charleston
Fri 5/22
5:45 pm-11:05 pm
2 stops8h 20m
Ontario
Sun 5/24
9:55 pm-10:15 am
1 stop9h 20m
$497
CharlestonOntario
CHS - ONT
CHSONT
Charleston
Sat 5/9
10:22 am-6:01 pm
1 stop10h 39m
Ontario
Tue 5/12
5:00 am-2:59 pm
1 stop6h 59m
$497
CharlestonOntario
CHS - ONT
CHSONT
Charleston
Mon 5/4
4:36 pm-9:00 pm
1 stop7h 24m
Ontario
Mon 6/1
10:00 pm-9:38 am
1 stop8h 38m
$498
Cheapest one-way
Quickest one-way
CharlestonOntario
CHS - ONT
CHSONT
Charleston
Sat 5/9
6:03 pm-9:48 pm
1 stop6h 45m
$194
CharlestonOntario
CHS - ONT
CHSONT
Charleston
Wed 5/13
4:55 pm-9:48 pm
1 stop7h 53m
$194
Showing 1-10 of 20 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 April.
| 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 |
- 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
What is the cheapest month to book a flight from Charleston to Ontario?
Currently, February is the cheapest month in which you can book a flight from Charleston to Ontario (average of $297). Flying from Charleston to Ontario in December is currently the most expensive (average of $1,345). 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.
How much does it cost to fly round-trip 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 April 18, 2026.
Read reviews from past customers who have flown Delta and American 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.
Entertainment
7.8
Comfort
7.9
Crew
8.5
Food
7.2
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Entertainment
7.8
Comfort
7.9
Crew
8.5
Food
7.2
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Entertainment
7.8
Comfort
7.9
Crew
8.5
Food
7.2
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
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.
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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 April 18, 2026.
Charleston and Ontario flights
Browse other Charleston and Ontario flight options. Last updated on April 18, 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 April 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Charleston to Ontario
Discover the top 2 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 2,558,603 searches. Data last updated April 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$168 | Average$367 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$296 | Average$377 | FlexibilityNo cancel fee | On-timeN/A |