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Cheap flights from Ontario to Charleston from C$ 256

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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CHS
26 Jul — 2 Aug1
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 26 June 2026.

Sat 15/81:30 p.m.
YYZ
-
CHS
1 stop7h 59m
Multiple Airlines
Sat 22/86:00 a.m.
CHS
-
YYZ
1 stop14h 40m
Multiple Airlines
Deal found 22/6C$ 456
Thu 24/96:30 a.m.
YYZ
-
CHS
1 stop9h 33m
Multiple Airlines
Mon 28/94:57 p.m.
CHS
-
YYZ
1 stop23h 58m
Multiple Airlines
Deal found 22/6C$ 513
Tue 25/89:30 a.m.
YYZ
-
CHS
1 stop8h 44m
Multiple Airlines
Fri 28/83:54 p.m.
CHS
-
YYZ
1 stop28h 46m
Multiple Airlines
Deal found 25/6C$ 516
Mon 21/91:30 p.m.
YYZ
-
CHS
1 stop7h 26m
Multiple Airlines
Thu 24/910:05 p.m.
CHS
-
YYZ
1 stop18h 50m
Multiple Airlines
Deal found 25/6C$ 518
Mon 24/85:57 p.m.
YOW
-
CHS
1 stop15h 16m
United Airlines
Tue 25/811:40 a.m.
CHS
-
YOW
1 stop9h 55m
United Airlines
Deal found 22/6C$ 540
Tue 14/79:30 a.m.
YYZ
-
CHS
1 stop8h 44m
Multiple Airlines
Wed 22/74:04 p.m.
CHS
-
YYZ
1 stop24h 41m
Multiple Airlines
Deal found 25/6C$ 543
Wed 8/76:00 a.m.
YOW
-
CHS
1 stop8h 27m
United Airlines
Wed 15/76:00 a.m.
CHS
-
YOW
1 stop7h 59m
United Airlines
Deal found 22/6C$ 549
Tue 14/79:30 a.m.
YYZ
-
CHS
1 stop8h 44m
Multiple Airlines
Tue 21/73:13 p.m.
CHS
-
YYZ
1 stop25h 32m
Multiple Airlines
Deal found 25/6C$ 552
Wed 15/76:25 a.m.
YOW
-
CHS
1 stop15h 23m
United Airlines
Sat 25/710:00 a.m.
CHS
-
YOW
1 stop13h 54m
United Airlines
Deal found 25/6C$ 557
Sun 6/99:30 a.m.
YYZ
-
CHS
2 stops48h 07m
Multiple Airlines
Sun 13/94:43 p.m.
CHS
-
YYZ
1 stop28h 12m
Multiple Airlines
Deal found 23/6C$ 560
Thu 22/106:30 a.m.
YYZ
-
CHS
1 stop9h 33m
Multiple Airlines
Sun 25/1010:05 p.m.
CHS
-
YYZ
1 stop17h 15m
Multiple Airlines
Deal found 22/6C$ 562
Mon 21/91:50 p.m.
YYZ
-
CHS
2 stops18h 48m
Multiple Airlines
Mon 28/94:57 p.m.
CHS
-
YYZ
1 stop23h 58m
Multiple Airlines
Deal found 21/6C$ 563

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 26 June 2026.

Round-trip from

C$ 456

One-way from

C$ 256

Popular in

January

Cheapest in

February

Average price

C$ 640

Good round-trip deal

C$ 679 or less
15/8-22/8
  • 15/8-22/8
  • 2 total stops
  • 22h 39m total
  • Ontario to Charleston
Search Deals
25/8
  • 25/8
  • 1 total stop
  • 11h 44m total
  • Ontario to Charleston
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 325 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (C$ 106 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 26 June 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

Mon 24/8

5:57 p.m.-9:13 a.m.

1 stop15h 16m

Charleston

Tue 25/8

11:40 a.m.-9:35 p.m.

1 stop9h 55m

C$ 540

OttawaCharleston

YOW - CHS

YOWCHS

Ottawa

Wed 8/7

6:00 a.m.-2:27 p.m.

1 stop8h 27m

Charleston

Wed 15/7

6:00 a.m.-1:59 p.m.

1 stop7h 59m

C$ 549

OttawaCharleston

YOW - CHS

YOWCHS

Ottawa

Wed 15/7

6:25 a.m.-9:48 p.m.

1 stop15h 23m

Charleston

Sat 25/7

10:00 a.m.-11:54 p.m.

1 stop13h 54m

C$ 557

MontrealCharleston

YUL - CHS

YULCHS

Montreal Pierre Elliott Trudeau Intl

Mon 31/8

9:30 a.m.-5:56 p.m.

1 stop8h 26m

Charleston

Tue 1/9

6:36 p.m.-8:39 a.m.

1 stop14h 03m

C$ 623

MontrealCharleston

YUL - CHS

YULCHS

Montreal Pierre Elliott Trudeau Intl

Wed 30/9

9:30 a.m.-5:57 p.m.

1 stop8h 27m

Charleston

Sat 3/10

6:26 p.m.-8:35 a.m.

2 stops14h 09m

C$ 644

TorontoCharleston

YYZ - CHS

YYZCHS

Toronto Pearson Intl

Fri 10/7

6:00 a.m.-10:13 a.m.

1 stop4h 13m

Charleston

Tue 21/7

6:21 p.m.-4:11 p.m.

1 stop21h 50m

C$ 648

TorontoCharleston

YYZ - CHS

YYZCHS

Toronto Pearson Intl

Sat 29/8

6:34 p.m.-11:59 p.m.

1 stop5h 25m

Charleston

Tue 1/9

11:25 a.m.-11:41 p.m.

1 stop12h 16m

C$ 648
Quickest round-trip

TorontoCharleston

YYZ - CHS

YYZCHS

Toronto Pearson Intl

Thu 24/9

1:34 p.m.-5:46 p.m.

1 stop4h 12m

Charleston

Sun 27/9

6:00 a.m.-11:25 a.m.

1 stop5h 25m

C$ 670

MontrealCharleston

YUL - CHS

YULCHS

Montreal Pierre Elliott Trudeau Intl

Tue 21/7

6:47 p.m.-12:26 a.m.

1 stop5h 39m

Charleston

Tue 28/7

7:20 a.m.-6:54 p.m.

2 stops11h 34m

C$ 673

MontrealCharleston

YUL - CHS

YULCHS

Montreal Pierre Elliott Trudeau Intl

Wed 5/8

6:00 a.m.-10:02 p.m.

2 stops16h 02m

Charleston

Tue 11/8

5:10 a.m.-6:54 p.m.

2 stops13h 44m

C$ 674

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/6

Showing 1-10 of 53 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from Region of Ontario to Charleston (average of C$ 272). Flying from Region of Ontario to Charleston in March is currently the most expensive (average of C$ 654). 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 26 June 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.

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, Delta, and Air Canada can get you from Region of Ontario to Charleston in just under 8h 26m. Your travel time can differ by up to 6h 50m. There are 1497 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 (74%), Jazz (74%) and United Airlines (74%).

  • 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$ 941, our data shows the cheapest flight currently is C$ 583. When looking at the most popular route, (Toronto Pearson Intl - Charleston), you can expect to pay C$ 516 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, October is the cheapest month in which you can book a flight from Region of Ontario to Charleston (average of C$ 272). Flying from Region of Ontario to Charleston in March is currently the most expensive (average of C$ 654). 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

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Alternative routes for Ontario to Charleston

See prices for flight routes from nearby airports that may be better suited for you.
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Pierre Elliott Trudeau Intl to Charlotte flights
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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 26 June 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 406AverageC$ 723FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 455AverageC$ 823FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 497AverageC$ 822FlexibilityNo 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.

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