Find flights
Deals
When to book
FAQs

Cheap flights from Ontario to Charleston from C$ 274

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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CHS
13 Jun — 20 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Charleston

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Charleston
Explore the most affordable flight options available from Ontario to Charleston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 May 2026.

Sat 17/101:30 p.m.
YYZ
-
CHS
1 stop9h 03m
Multiple Airlines
Sun 25/1010:05 p.m.
CHS
-
YYZ
1 stop17h 15m
Multiple Airlines
Deal found 10/5C$ 470
Tue 15/96:00 p.m.
YOW
-
CHS
1 stop14h 52m
United Airlines
Wed 16/911:08 a.m.
CHS
-
YOW
1 stop10h 48m
United Airlines
Deal found 11/5C$ 485
Mon 17/88:10 a.m.
YYZ
-
CHS
1 stop25h 27m
Multiple Airlines
Fri 28/83:54 p.m.
CHS
-
YYZ
1 stop28h 46m
Multiple Airlines
Deal found 11/5C$ 489
Sun 13/127:25 p.m.
YOW
-
CHS
1 stop14h 30m
United Airlines
Tue 15/1210:59 a.m.
CHS
-
YOW
1 stop10h 57m
United Airlines
Deal found 12/5C$ 492
Sat 24/107:30 p.m.
YOW
-
CHS
1 stop14h 25m
United Airlines
Fri 30/106:43 p.m.
CHS
-
YOW
1 stop15h 56m
United Airlines
Deal found 12/5C$ 493
Tue 18/86:30 a.m.
YYZ
-
CHS
1 stop11h 44m
Multiple Airlines
Fri 28/83:54 p.m.
CHS
-
YYZ
1 stop28h 46m
Multiple Airlines
Deal found 11/5C$ 496
Sat 17/101:30 p.m.
YYZ
-
CHS
1 stop9h 03m
Multiple Airlines
Sat 24/107:00 a.m.
CHS
-
YYZ
1 stop13h 40m
Multiple Airlines
Deal found 10/5C$ 497
Wed 16/911:00 a.m.
YYZ
-
CHS
1 stop7h 57m
American Airlines
Wed 23/97:57 a.m.
CHS
-
YYZ
1 stop8h 37m
American Airlines
Deal found 12/5C$ 501
Sat 6/61:30 p.m.
YYZ
-
CHS
1 stop7h 59m
Multiple Airlines
Sat 13/66:00 a.m.
CHS
-
YYZ
1 stop14h 40m
Multiple Airlines
Deal found 9/5C$ 508
Mon 19/108:10 a.m.
YYZ
-
CHS
1 stop28h 21m
Multiple Airlines
Tue 27/103:00 p.m.
CHS
-
YYZ
1 stop9h 10m
Multiple Airlines
Deal found 10/5C$ 510
Sat 15/81:30 p.m.
YYZ
-
CHS
1 stop7h 59m
Multiple Airlines
Fri 28/83:54 p.m.
CHS
-
YYZ
1 stop28h 46m
Multiple Airlines
Deal found 11/5C$ 511
Tue 18/86:30 a.m.
YYZ
-
CHS
1 stop11h 44m
Multiple Airlines
Sat 22/86:00 a.m.
CHS
-
YYZ
1 stop14h 40m
Multiple Airlines
Deal found 11/5C$ 516

Find flight deals from Ontario to Charleston

Keep the following information in mind while searching for Ontario to Charleston flight deals. Data was last updated 14 May 2026.

Round-trip from

C$ 470

One-way from

C$ 274

Popular in

January

Cheapest in

September

Average price

C$ 756

Good round-trip deal

C$ 654 or less
17/10-25/10
  • 17/10-25/10
  • 2 total stops
  • 26h 18m total
  • Ontario to Charleston
Search Deals
27/5
  • 27/5
  • 1 total stop
  • 22h 48m total
  • Ontario to Charleston
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (C$ 339 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (C$ 102 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Ontario to Charleston.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Charleston 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 629,999 searches. Data last updated 14 May 2026.
Use the filters below to find and compare flights from Ontario to Charleston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaCharleston

YOW - CHS

YOWCHS

Ottawa

Tue 15/9

6:00 p.m.-8:52 a.m.

1 stop14h 52m

Charleston

Wed 16/9

11:08 a.m.-9:56 p.m.

1 stop10h 48m

C$ 485

OttawaCharleston

YOW - CHS

YOWCHS

Ottawa

Tue 15/9

2:48 p.m.-11:53 p.m.

1 stop9h 05m

Charleston

Wed 16/9

2:51 p.m.-9:52 p.m.

2 stops7h 01m

C$ 567

OttawaCharleston

YOW - CHS

YOWCHS

Ottawa

Sat 24/10

12:00 p.m.-9:04 p.m.

2 stops9h 04m

Charleston

Fri 30/10

6:00 a.m.-9:56 p.m.

1 stop15h 56m

C$ 578

TorontoCharleston

YYZ - CHS

YYZCHS

Toronto Pearson Intl

Fri 24/7

5:05 p.m.-7:07 p.m.

1 stop26h 02m

Charleston

Mon 27/7

7:00 a.m.-9:19 p.m.

1 stop14h 19m

C$ 592

OttawaCharleston

YOW - CHS

YOWCHS

Ottawa

Fri 26/6

5:10 a.m.-9:48 p.m.

2 stops16h 38m

Charleston

Fri 3/7

10:00 a.m.-6:48 p.m.

1 stop8h 48m

C$ 595

TorontoCharleston

YYZ - CHS

YYZCHS

Toronto Pearson Intl

Fri 5/6

4:04 p.m.-10:02 p.m.

1 stop5h 58m

Charleston

Mon 8/6

5:03 p.m.-9:59 p.m.

1 stop4h 56m

C$ 604

TorontoCharleston

YYZ - CHS

YYZCHS

Toronto Pearson Intl

Thu 4/6

1:34 p.m.-10:56 p.m.

1 stop9h 22m

Charleston

Mon 8/6

5:03 p.m.-9:59 p.m.

1 stop4h 56m

C$ 604
Quickest round-trip

TorontoCharleston

YYZ - CHS

YYZCHS

Toronto Pearson Intl

Fri 29/5

4:04 p.m.-10:02 p.m.

1 stop5h 58m

Charleston

Mon 1/6

6:38 p.m.-10:59 p.m.

1 stop4h 21m

C$ 604

TorontoCharleston

YYZ - CHS

YYZCHS

Toronto Pearson Intl

Thu 18/6

6:34 p.m.-12:45 a.m.

1 stop6h 11m

Charleston

Mon 22/6

5:03 p.m.-11:58 p.m.

1 stop6h 55m

C$ 604

TorontoCharleston

YYZ - CHS

YYZCHS

Toronto Pearson Intl

Tue 23/6

7:45 a.m.-5:18 p.m.

1 stop9h 33m

Charleston

Tue 30/6

8:20 a.m.-5:19 p.m.

1 stop8h 59m

C$ 615

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/5

Showing 1-10 of 54 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Ontario to Charleston

Have a flexible travel schedule? Discover the best time to fly to Charleston from Ontario 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 Ontario to Charleston

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

Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Charleston (average of C$ 208). Flying from Region of Ontario to Charleston in March is currently the most expensive (average of C$ 630). 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 ON to CHS?

Find hourly flight availability from Ontario to Charleston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 May 2026.

When flying from Region of Ontario to Charleston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Region of Ontario to Charleston?

Related info for your journey

Find useful and relevant information for your journey from Ontario to Charleston. 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 into for flights to Charleston from Ontario?

    For a flight from Ontario to Charleston, you will be flying into Charleston. Charleston (CHS) is just 16.5 km from the centre of the city.

  • How long is the flight from Region of Ontario to Charleston?

    United Airlines, Air Canada, and Delta can get you from Region of Ontario to Charleston in just under 9h 05m. Your travel time can differ by up to 16h 57m. There are 1431 km between Region of Ontario and Charleston. Both multi-stop and direct flights can be found to your destination and back.

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

    Most travellers choose Toronto Pearson Intl - Charleston, Toronto Island - Charleston or Montreal Pierre Elliott Trudeau Intl - Charleston when deciding on the best route from Region of Ontario to Charleston.

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

    The top 3 most reliable airlines when flying from Region of Ontario to Charleston are Air Canada (76%), Jazz (76%) and United Airlines (76%).

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

    While on average a flight from Region of Ontario to Charleston is generally C$ 839, our data shows the cheapest flight currently is C$ 554. When looking at the most popular route, (Toronto Pearson Intl - Charleston), you can expect to pay C$ 518 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Charleston 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 Region of Ontario to Charleston?

    Currently, September is the cheapest month in which you can book a flight from Region of Ontario to Charleston (average of C$ 208). Flying from Region of Ontario to Charleston in March is currently the most expensive (average of C$ 630). 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

Travelling to a place near Charleston?

Book flights to Charleston if you plan to visit one of these locations
Walterboro

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 Ontario to Charleston

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Charlotte flights
Pierre Elliott Trudeau Intl to Charlotte flights
Pearson Intl to Charleston flights
Pearson Intl to Myrtle Beach flights
Pierre Elliott Trudeau Intl to Myrtle Beach flights
Pearson Intl to Greenville flights
Calgary to Charlotte flights
Pierre Elliott Trudeau Intl to Savannah flights
Pierre Elliott Trudeau Intl to Charleston flights
Vancouver Intl to Charlotte flights
Toronto Island to Charlotte flights
Toronto Island to Myrtle Beach flights
Edmonton to Charlotte flights
Pearson Intl to Savannah flights
Pearson Intl to Columbia flights
Vancouver Intl to Charleston flights
Ottawa to Charlotte flights
Vancouver Intl to Myrtle Beach flights
Ottawa to Myrtle Beach flights
Pearson Intl to Hilton Head Island flights
Halifax to Myrtle Beach flights
Vancouver Intl to Savannah flights
Winnipeg to Myrtle Beach flights
Pierre Elliott Trudeau Intl to Greenville flights
Halifax to Charlotte flights
Ottawa to Charleston flights
Edmonton to Charleston flights
Saskatoon to Greenville flights
Vancouver Intl to Hilton Head Island flights
Halifax to Charleston flights
Moncton to Charlotte flights
Kelowna to Charlotte flights
Ottawa to Savannah flights
Halifax to Savannah flights
Calgary to Savannah flights
Victoria to Savannah flights
Québec City to Myrtle Beach flights
Edmonton to Savannah flights
Pierre Elliott Trudeau Intl to Augusta flights
Thunder Bay to Greenville flights
Regina to Greenville flights
Pierre Elliott Trudeau Intl to Columbia flights
Québec City to Charleston flights
Regina to Charlotte flights
Winnipeg to Charleston flights
Ottawa to Augusta flights
Ottawa to Hilton Head Island flights
Winnipeg to Savannah flights
Calgary to Columbia flights

Top 3 airlines flying from Ontario to Charleston

Discover the top 3 airlines that operate flights from Ontario to Charleston. 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 629,999 searches. Data last updated 14 May 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 391AverageC$ 673FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 439AverageC$ 782FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 479AverageC$ 769FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Charleston?

Cheapflights helps you search for flights from Ontario to Charleston via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Charleston?

Cheapflights helps you find that perfect flight to Charleston from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario to Charleston with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Charleston flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ontario to Charleston become cheaper?

Yes, Cheapflights offers price alerts on Ontario to Charleston flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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.