HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$145+ Cheap flights from Charleston (CHS) to Ontario

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — YYZ
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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

Keep the following information in mind while searching for Charleston to Ontario flight deals. Data was last updated September 15, 2025.

Round-trip from

$250
(Kiwi.com)

One-way from

$145
(Kiwi.com)

Popular in

February

Cheapest in

April

Average price

$594
From Charleston to Ontario
Search Deals
One-way flight from Charleston to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Charleston to Ontario

Cheapest flights from Charleston to Ontario
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 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Wed 12/105:40 pmCHS - YYZ
1 stop21h 00mMultiple Airlines
Sat 12/138:30 pmYYZ - CHS
1 stop14h 15mMultiple Airlines
Deal found 9/14$250
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/278:53 pmCHS - YYZ
1 stop20h 19mMultiple Airlines
Mon 12/15:15 pmYYZ - CHS
1 stop15h 22mMultiple Airlines
Deal found 9/13$260
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Fri 10/179:23 pmCHS - YYZ
1 stop17h 02mMultiple Airlines
Wed 10/229:35 amYYZ - CHS
1 stop23h 31mMultiple Airlines
Deal found 9/14$263
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Fri 10/2410:11 amCHS - YYZ
1 stop13h 41mMultiple Airlines
Sun 10/269:35 amYYZ - CHS
1 stop23h 26mMultiple Airlines
Deal found 9/14$265
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Mon 10/2010:11 amCHS - YYZ
1 stop13h 41mMultiple Airlines
Thu 10/239:35 amYYZ - CHS
1 stop23h 31mMultiple Airlines
Deal found 9/14$271
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Wed 10/157:55 pmCHS - YTZ
1 stop13h 35mMultiple Airlines
Sun 10/1912:00 pmYTZ - CHS
2 stops21h 06mMultiple Airlines
Deal found 9/14$288
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Mon 10/209:10 pmCHS - YTZ
1 stop12h 20mMultiple Airlines
Thu 10/2312:00 pmYTZ - CHS
2 stops21h 06mMultiple Airlines
Deal found 9/14$289
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Wed 10/157:55 pmCHS - YTZ
1 stop15h 45mMultiple Airlines
Sat 10/189:10 amYTZ - CHS
2 stops9h 31mMultiple Airlines
Deal found 9/14$297
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Tue 10/217:55 pmCHS - YTZ
2 stops23h 08mMultiple Airlines
Fri 10/243:00 pmYTZ - CHS
1 stop5h 15mMultiple Airlines
Deal found 9/14$298
This Mytrip deal was found by Cheapflights users on 9/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/217:55 pmCHS - YYZ
2 stops18h 10mMultiple Airlines
Fri 10/247:15 amYYZ - CHS
1 stop13h 00mMultiple Airlines
Deal found 9/14$302
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Wed 10/297:55 pmCHS - YTZ
1 stop15h 45mMultiple Airlines
Wed 11/57:00 amYTZ - CHS
2 stops25h 37mMultiple Airlines
Deal found 9/14$303
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Fri 10/249:10 pmCHS - YTZ
1 stop14h 30mMultiple Airlines
Sun 10/267:00 amYTZ - CHS
2 stops9h 13mMultiple Airlines
Deal found 9/14$314

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 September 15, 2025.
Use the filters below to find and compare flights from Charleston to Ontario that are best for you.

Fly from

Charleston

Fly to

Ontario

Route

Depart

Return

Price

CharlestonToronto

CHS - YYZ

CHSYYZ

Charleston

Fri 10/24

10:11 am-11:52 pm

1 stop13h 41m

Toronto Pearson Intl

Sun 10/26

9:35 am-9:01 am

1 stop23h 26m

$265

CharlestonToronto

CHS - YYZ

CHSYYZ

Charleston

Mon 10/20

10:11 am-11:52 pm

1 stop13h 41m

Toronto Pearson Intl

Thu 10/23

9:35 am-9:06 am

1 stop23h 31m

$271

CharlestonToronto

CHS - YYZ

CHSYYZ

Charleston

Fri 10/17

9:23 pm-2:25 pm

1 stop17h 02m

Toronto Pearson Intl

Wed 10/22

7:00 am-6:41 pm

2 stops11h 41m

$286

CharlestonToronto

CHS - YTZ

CHSYTZ

Charleston

Mon 10/20

9:10 pm-9:30 am

1 stop12h 20m

Toronto Island

Thu 10/23

12:00 pm-9:06 am

2 stops21h 06m

$289

CharlestonToronto

CHS - YTZ

CHSYTZ

Charleston

Tue 10/21

7:55 pm-7:03 pm

2 stops23h 08m

Toronto Island

Fri 10/24

3:00 pm-8:15 pm

1 stop5h 15m

$298

CharlestonToronto

CHS - YTZ

CHSYTZ

Charleston

Wed 10/15

7:55 pm-9:30 am

1 stop13h 35m

Toronto Island

Sun 10/19

8:40 pm-6:13 pm

1 stop21h 33m

$300

CharlestonToronto

CHS - YYZ

CHSYYZ

Charleston

Tue 10/21

7:55 pm-2:05 pm

2 stops18h 10m

Toronto Pearson Intl

Fri 10/24

7:15 am-8:15 pm

1 stop13h 00m

$302

CharlestonToronto

CHS - YTZ

CHSYTZ

Charleston

Wed 10/29

7:55 pm-11:40 am

1 stop15h 45m

Toronto Island

Wed 11/5

7:00 am-8:37 am

2 stops25h 37m

$303

CharlestonToronto

CHS - YTZ

CHSYTZ

Charleston

Wed 10/15

7:55 pm-11:40 am

1 stop15h 45m

Toronto Island

Sat 10/18

9:45 am-6:41 pm

1 stop8h 56m

$308

CharlestonToronto

CHS - YTZ

CHSYTZ

Charleston

Fri 10/24

9:10 pm-11:40 am

1 stop14h 30m

Toronto Island

Sun 10/26

8:40 am-4:13 pm

1 stop7h 33m

$316

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 36 results
1
2
3
4

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.
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 Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from Charleston to Region of Ontario (average of $243). Flying from Charleston to Region of Ontario in August is currently the most expensive (average of $348). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHS to ON?

Find hourly flight availability from Charleston to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Charleston to Region of Ontario as you normally would.

How much does it cost to fly round-trip from Charleston to Region of 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 15, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines, and Air Canada from Charleston to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • What airport do you fly from for flights from Charleston to Ontario?

    If you book a flight to Ontario from Charleston, you will be flying from Charleston, which is the city’s only airport. Charleston (CHS) is located 10.2 mi from the center of Charleston.

  • What are the most popular routes from Charleston to Region of Ontario?

    The most popular flight routes from Charleston to Region of Ontario are Charleston - Montreal Pierre Elliott Trudeau Intl, Charleston - Toronto Pearson Intl and Charleston - Toronto Island.

  • What are the most reliable airlines from Charleston to Region of Ontario?

    The top 3 most reliable airlines when flying from Charleston to Region of Ontario are Air Canada (48%), Jazz (48%) and United Airlines (48%).

  • Can I find deals for flights from Charleston to Ontario that include hotel bookings?

    Yes. In addition to deals on Charleston to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Charleston to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charleston to Ontario.

  • Can I find deals for business class flights from Charleston to Ontario?

    Yes. Cheapflights offers flight deals from Charleston to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Charleston to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Charleston to Region of Ontario (average of $243). Flying from Charleston to Region of Ontario in August is currently the most expensive (average of $348). 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.

See more FAQs

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 for Charleston to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Charlotte to Pearson Intl flights
Charlotte to Vancouver Intl flights
Charlotte to Pierre Elliott Trudeau Intl flights
Charlotte to Calgary flights
Charlotte to Québec City flights
Charleston to Vancouver Intl flights
Savannah to Pearson Intl flights
Savannah to Halifax flights
Charleston to Pierre Elliott Trudeau Intl flights
Greenville to Pearson Intl flights
Greenville to Calgary flights
Charlotte to Toronto Island flights
Charleston to Calgary flights
Charlotte to Ottawa flights
Savannah to Pierre Elliott Trudeau Intl flights
Charlotte to Halifax flights
Greenville to Vancouver Intl flights
Charlotte to Edmonton flights
Charlotte to Abbotsford flights
Charleston to Pearson Intl flights
Augusta to Pearson Intl flights
Greenville to Edmonton flights
Charlotte to Winnipeg flights
Greenville to Québec City flights
Greenville to Pierre Elliott Trudeau Intl flights
Charleston to Toronto Island flights
Charlotte to St. John's flights
Myrtle Beach to Pearson Intl flights
Myrtle Beach to Vancouver Intl flights
Greenville to Halifax flights
Columbia to Pearson Intl flights
Charlotte to Charlottetown flights
Greenville to Ottawa flights
Charlotte to Regina flights
Charleston to Québec City flights
Savannah to Vancouver Intl flights
Columbia to Vancouver Intl flights
Charleston to Halifax flights
Myrtle Beach to Pierre Elliott Trudeau Intl flights
Myrtle Beach to Ottawa flights
Myrtle Beach to Québec City flights
Charlotte to Victoria flights
Augusta to Pierre Elliott Trudeau Intl flights
Columbia to Winnipeg flights
Charlotte to Fredericton flights
Charlotte to Deer Lake flights
Columbia to Halifax flights

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 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$246Average$631FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$261Average$560FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$497Average$620FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.