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Cheap flights from Ontario to Charleston from C$ 234

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 28/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CHS
12 Sep — 19 Sep1
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 13 August 2026.

Mon 21/98:10 a.m. -
1 stop28h 21m
Thu 24/99:39 p.m. -
1 stop17h 16m
Deal found 8/8C$ 443
Thu 10/96:30 a.m. -
1 stop9h 33m
Thu 17/99:39 p.m. -
1 stop17h 16m
Deal found 12/8C$ 495
Mon 16/115:15 p.m. -
1 stop15h 23m
Mon 23/113:27 p.m. -
1 stop8h 58m
Deal found 10/8C$ 506
Tue 8/129:35 a.m. -
1 stop23h 03m
Tue 15/121:21 p.m. -
1 stop5h 59m
Deal found 12/8C$ 508
Mon 2/116:30 a.m. -
1 stop26h 08m
Thu 5/119:39 p.m. -
1 stop19h 36m
Deal found 11/8C$ 510
Wed 30/97:45 a.m. -
1 stop24h 53m
Thu 1/1010:05 p.m. -
1 stop22h 50m
Deal found 12/8C$ 522
Thu 1/107:00 a.m. -
1 stop9h 03m
Sun 4/1010:05 p.m. -
1 stop22h 50m
Deal found 11/8C$ 536
Wed 23/97:45 a.m. -
1 stop24h 53m
Sun 27/910:05 p.m. -
2 stops23h 59m
Deal found 12/8C$ 553
Sat 26/91:30 p.m. -
1 stop9h 03m
Wed 30/96:00 a.m. -
2 stops32h 30m
Deal found 11/8C$ 557
Wed 9/99:15 a.m. -
1 stop5h 35m
Sat 12/911:10 a.m. -
1 stop10h 56m
Deal found 12/8C$ 564
Sat 10/1011:09 a.m. -
1 stop8h 35m
Sat 17/106:01 a.m. -
1 stop7h 30m
Deal found 10/8C$ 564
Sat 29/86:00 a.m. -
1 stop6h 22m
Sat 5/96:41 p.m. -
1 stop5h 11m
Deal found 9/8C$ 566

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 13 August 2026.

Round-trip from

C$ 443

One-way from

C$ 234

Popular in

January

Cheapest in

February

Average price

C$ 630
21/9-24/9
  • 21/9-24/9
  • 2 total stops
  • 45h 37m total
  • Ontario to Charleston
Search Deals
28/9
  • 28/9
  • 1 total stop
  • 28h 21m total
  • Ontario to Charleston
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 283 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 99 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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 13 August 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

TorontoCharleston

YYZ Toronto Pearson Intl - CHS Charleston

YYZCHS

Toronto Pearson Intl

Thu 10/9

4:45 p.m.-8:38 a.m.

2 stops39h 53m

Charleston

Thu 17/9

9:39 p.m.-2:55 p.m.

1 stop17h 16m

C$ 514

MontrealCharleston

YUL Montreal Pierre Elliott Trudeau Intl - CHS Charleston

YULCHS

Montreal Pierre Elliott Trudeau Intl

Wed 9/9

9:15 a.m.-2:50 p.m.

1 stop5h 35m

Charleston

Sat 12/9

11:10 a.m.-10:06 p.m.

1 stop10h 56m

C$ 564

MontrealCharleston

YUL Montreal Pierre Elliott Trudeau Intl - CHS Charleston

YULCHS

Montreal Pierre Elliott Trudeau Intl

Wed 20/1

2:25 p.m.-9:05 p.m.

1 stop6h 40m

Charleston

Sat 23/1

5:55 p.m.-11:51 p.m.

1 stop5h 56m

C$ 566

MontrealCharleston

YUL Montreal Pierre Elliott Trudeau Intl - CHS Charleston

YULCHS

Montreal Pierre Elliott Trudeau Intl

Wed 9/9

7:00 a.m.-11:38 a.m.

1 stop4h 38m

Charleston

Sat 12/9

4:27 p.m.-11:50 p.m.

1 stop7h 23m

C$ 575

MontrealCharleston

YUL Montreal Pierre Elliott Trudeau Intl - CHS Charleston

YULCHS

Montreal Pierre Elliott Trudeau Intl

Wed 9/9

7:00 a.m.-1:27 p.m.

1 stop6h 27m

Charleston

Wed 16/9

7:10 a.m.-4:19 p.m.

1 stop9h 09m

C$ 575

MontrealCharleston

YUL Montreal Pierre Elliott Trudeau Intl - CHS Charleston

YULCHS

Montreal Pierre Elliott Trudeau Intl

Sun 30/8

6:00 a.m.-12:17 p.m.

1 stop6h 17m

Charleston

Mon 31/8

6:57 p.m.-11:52 p.m.

1 stop4h 55m

C$ 609

TorontoCharleston

YYZ Toronto Pearson Intl - CHS Charleston

YYZCHS

Toronto Pearson Intl

Wed 30/9

7:45 a.m.-8:38 a.m.

1 stop24h 53m

Charleston

Sun 11/10

2:13 p.m.-11:35 p.m.

1 stop9h 22m

C$ 623

OttawaCharleston

YOW Ottawa - CHS Charleston

YOWCHS

Ottawa

Wed 20/1

6:15 a.m.-5:45 p.m.

1 stop11h 30m

Charleston

Thu 21/1

10:23 a.m.-3:10 p.m.

1 stop4h 47m

C$ 639

MontrealCharleston

YUL Montreal Pierre Elliott Trudeau Intl - CHS Charleston

YULCHS

Montreal Pierre Elliott Trudeau Intl

Thu 10/9

9:30 a.m.-2:00 p.m.

1 stop4h 30m

Charleston

Wed 16/9

7:10 a.m.-4:19 p.m.

1 stop9h 09m

C$ 645

MontrealCharleston

YUL Montreal Pierre Elliott Trudeau Intl - CHS Charleston

YULCHS

Montreal Pierre Elliott Trudeau Intl

Sat 29/8

1:07 p.m.-9:00 p.m.

2 stops7h 53m

Charleston

Sat 5/9

4:46 p.m.-9:44 p.m.

1 stop4h 58m

C$ 648

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 60 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, April is the cheapest month in which you can book a flight from Region of Ontario to Charleston (average of C$ 649). Flying from Region of Ontario to Charleston in March is currently the most expensive (average of C$ 1,130). 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 13 August 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?

Airfare is below average for this route at the moment.
Region of Ontario to Charleston flights typically cost between C$ 631 and C$ 992 in September.
The cheapest round-trip price found within the last 5 days was C$ 443 on Multiple Airlines (21 Sep-24 Sep).

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 American Airlines can get you from Region of Ontario to Charleston in just under 5h 35m. Your travel time can differ by up to 3h. 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 Ottawa - 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 (79%), Jazz (79%) and United Airlines (79%).

  • 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, April is the cheapest month in which you can book a flight from Region of Ontario to Charleston (average of C$ 649). Flying from Region of Ontario to Charleston in March is currently the most expensive (average of C$ 1,130). 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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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 13 August 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 398AverageC$ 709FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 446AverageC$ 806FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 572AverageC$ 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.

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