HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$140+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — YYZ
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$272
(Mytrip)

One-way from

$140
(Mytrip)

Popular in

November

Cheapest in

April

Average price

$254

Good round-trip deal

$643 or less

Good one-way deal

$604 or less
Provider with most accurate pricing for Charleston-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Charleston-Toronto (YTO) flights.
Search Deals
From Charleston to Ontario
Search Deals
One-way flight from Charleston to Ontario
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Charleston to Ontario.
Search Deals
Price to beat on a one-way flight from Charleston to Ontario.
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 April 24, 2025.

This Mytrip deal was found by Cheapflights users on 4/23. 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.
Sat 6/79:43 amCHS - YYZ
1 stop28h 22mMultiple Airlines
Sat 6/146:30 amYYZ - CHS
1 stop26h 07mMultiple Airlines
Deal found 4/23$272
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/216:00 amCHS - YTZ
1 stop5h 40mMultiple Airlines
Fri 5/237:30 pmYTZ - CHS
1 stop26h 39mMultiple Airlines
Deal found 4/23$278
This United Airlines deal was found by Cheapflights users on 4/22. 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 6/45:50 amCHS - YUL
1 stop9h 59mUnited Airlines
Sun 6/89:15 amYUL - CHS
1 stop14h 44mUnited Airlines
Deal found 4/22$342
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Sun 6/15:07 amCHS - YUL
2 stops10h 18mAmerican Airlines
Sat 6/77:29 amYUL - CHS
1 stop5h 25mAmerican Airlines
Deal found 4/23$351
This Delta deal was found by Cheapflights users on 4/23. 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 6/49:45 amCHS - YYZ
1 stop8h 14mDelta
Sun 6/811:39 amYYZ - CHS
1 stop5h 32mDelta
Deal found 4/23$416
This Air Canada deal was found by Cheapflights users on 4/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/234:55 pmCHS - YUL
1 stop15h 26mAir Canada
Mon 5/2611:15 amYUL - CHS
1 stop4h 56mAir Canada
Deal found 4/23$441
This Mytrip deal was found by Cheapflights users on 4/23. 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.
Sun 6/16:00 amCHS - YUL
1 stop11h 55mMultiple Airlines
Sat 6/78:15 amYUL - CHS
3 stops24h 23mMultiple Airlines
Deal found 4/23$445
This Delta deal was found by Cheapflights users on 4/23. 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 9/227:45 amCHS - YUL
1 stop9h 19mDelta
Sun 9/286:00 amYUL - CHS
2 stops10h 51mDelta
Deal found 4/23$504
This American Airlines deal was found by Cheapflights users on 4/23. 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 7/86:02 pmCHS - YYZ
1 stop4h 27mAmerican Airlines
Fri 7/1112:45 pmYYZ - CHS
1 stop8h 30mAmerican Airlines
Deal found 4/23$530
This Air Canada deal was found by Cheapflights users on 4/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/84:55 pmCHS - YYZ
Nonstop2h 10mAir Canada
Fri 5/92:30 pmYYZ - CHS
1 stop4h 26mAir Canada
Deal found 4/23$536
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/226:30 amCHS - YYZ
1 stop5h 19mUnited Airlines
Thu 5/222:05 pmYYZ - CHS
Nonstop2h 06mUnited Airlines
Deal found 4/23$540
This WestJet deal was found by Cheapflights users on 4/23. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/226:00 amCHS - YYZ
1 stop11h 59mWestJet
Thu 5/228:00 pmYYZ - CHS
2 stops13h 40mWestJet
Deal found 4/23$593

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 24, 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

Sat 6/7

9:43 am-2:05 pm

1 stop28h 22m

Toronto Pearson Intl

Sat 6/14

6:30 am-8:37 am

1 stop26h 07m

$272

CharlestonToronto

CHS - YTZ

CHSYTZ

Charleston

Wed 5/21

6:00 am-11:40 am

1 stop5h 40m

Toronto Island

Fri 5/23

7:30 pm-10:09 pm

1 stop26h 39m

$278

CharlestonMontreal

CHS - YUL

CHSYUL

Charleston

Wed 6/4

5:50 am-3:49 pm

1 stop9h 59m

Montreal Pierre Elliott Trudeau Intl

Sun 6/8

9:15 am-11:59 pm

1 stop14h 44m

$342

CharlestonMontreal

CHS - YUL

CHSYUL

Charleston

Sun 6/1

5:07 am-3:25 pm

2 stops10h 18m

Montreal Pierre Elliott Trudeau Intl

Sat 6/7

7:29 am-12:54 pm

1 stop5h 25m

$351

CharlestonToronto

CHS - YYZ

CHSYYZ

Charleston

Wed 6/4

2:26 pm-10:54 pm

1 stop8h 28m

Toronto Pearson Intl

Mon 6/9

7:45 am-4:10 pm

1 stop8h 25m

$416

CharlestonMontreal

CHS - YUL

CHSYUL

Charleston

Fri 5/23

4:55 pm-8:21 am

1 stop15h 26m

Montreal Pierre Elliott Trudeau Intl

Mon 5/26

11:15 am-4:11 pm

1 stop4h 56m

$441

CharlestonMontreal

CHS - YUL

CHSYUL

Charleston

Sun 6/1

6:00 am-5:55 pm

1 stop11h 55m

Montreal Pierre Elliott Trudeau Intl

Sat 6/7

8:15 am-8:38 am

3 stops24h 23m

$445

CharlestonMontreal

CHS - YUL

CHSYUL

Charleston

Mon 9/22

7:45 am-5:04 pm

1 stop9h 19m

Montreal Pierre Elliott Trudeau Intl

Sun 9/28

6:00 am-4:51 pm

2 stops10h 51m

$504

CharlestonToronto

CHS - YYZ

CHSYYZ

Charleston

Tue 7/8

6:02 pm-10:29 pm

1 stop4h 27m

Toronto Pearson Intl

Fri 7/11

12:45 pm-9:15 pm

1 stop8h 30m

$530

CharlestonToronto

CHS - YYZ

CHSYYZ

Charleston

Thu 5/8

4:55 pm-7:05 pm

Nonstop2h 10m

Toronto Pearson Intl

Fri 5/9

2:30 pm-6:56 pm

1 stop4h 26m

$536

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 21 results
1
2
3

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 July is currently the most expensive (average of $359). 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 April 24, 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.

Weekly flight availability from Charleston to Region of Ontario

Explore weekly flight availability from Charleston to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 24, 2025.

The most flights from CHS to CAON are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 24, 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Charleston to Ontario have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,918 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,685 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
WestJet
7.2
Good
2,816 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Comfort

7.9

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 cheapest airlines to fly from Charleston to Region of Ontario one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $142. Users have also found prices from $198 and $237 on Air Canada and Delta, respectively.

  • 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 - Toronto Pearson Intl, Charleston - Montreal Pierre Elliott Trudeau 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 (60%), Jazz (60%) and United Airlines (60%).

  • What are the cheapest flights from Charleston to Region of Ontario?

    While on average a flight from Charleston to Region of Ontario is generally $1,123, our data shows the cheapest flight currently is $246. When looking at the most popular route, (Charleston - Toronto Pearson Intl), you can expect to pay $310 for that flight.

  • 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 July is currently the most expensive (average of $359). 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 Vancouver Intl flights
Charlotte to Pearson Intl flights
Charlotte to Calgary flights
Charlotte to Pierre Elliott Trudeau Intl flights
Charlotte to Québec City flights
Charleston to Pearson Intl flights
Myrtle Beach to Vancouver Intl flights
Charleston to Vancouver Intl flights
Greenville to Vancouver Intl flights
Charlotte to Halifax flights
Charlotte to Toronto Island flights
Columbia to Vancouver Intl flights
Savannah to Vancouver Intl flights
Charleston to Pierre Elliott Trudeau Intl flights
Greenville to Calgary flights
Greenville to Pearson Intl flights
Charleston to Calgary flights
Charlotte to Edmonton flights
Myrtle Beach to Pearson Intl flights
Greenville to Pierre Elliott Trudeau Intl flights
Charlotte to Ottawa flights
Charlotte to Fredericton flights
Savannah to Pearson Intl flights
Charlotte to Abbotsford flights
Charleston to Halifax flights
Greenville to Halifax flights
Columbia to Pearson Intl flights
Charleston to Québec City flights
Savannah to Pierre Elliott Trudeau Intl flights
Charleston to Toronto Island flights
Myrtle Beach to Calgary flights
Charlotte to St. John's flights
Augusta to Pearson Intl flights
Myrtle Beach to Pierre Elliott Trudeau Intl flights
Charlotte to Charlottetown flights
Charlotte to Winnipeg flights
Charlotte to London flights
Greenville to Victoria flights
Myrtle Beach to Ottawa flights
Savannah to Victoria flights
Charlotte to Victoria flights
Hilton Head Island to Pearson Intl flights
Augusta to Pierre Elliott Trudeau Intl flights
Greenville to Ottawa flights
Savannah to Halifax flights
Charlotte to Moncton flights
Greenville to Québec City flights
Hilton Head Island to Pierre Elliott Trudeau Intl 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$220Average$590FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$254Average$728FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$488Average$673FlexibilityNo 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.