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Cheap flights from Ontario to Charleston from C$ 278

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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — CHS
21 Apr — 28 Apr1
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 22 March 2026.

Sun 5/410:05 a.m.
YYZ
-
CHS
1 stop12h 08m
Multiple Airlines
Thu 9/48:07 a.m.
CHS
-
YYZ
1 stop11h 48m
Multiple Airlines
Deal found 20/3C$ 460
Sun 19/45:00 a.m.
YOW
-
CHS
1 stop5h 13m
Air Canada
Thu 23/411:05 a.m.
CHS
-
YOW
1 stop7h 31m
Air Canada
Deal found 18/3C$ 468
Fri 24/45:10 p.m.
YUL
-
CHS
1 stop17h 58m
Multiple Airlines
Wed 29/412:05 p.m.
CHS
-
YUL
1 stop28h 20m
Multiple Airlines
Deal found 17/3C$ 471
Wed 3/67:45 a.m.
YYZ
-
CHS
1 stop24h 53m
Multiple Airlines
Fri 5/63:23 p.m.
CHS
-
YYZ
1 stop8h 12m
Multiple Airlines
Deal found 17/3C$ 471
Mon 1/68:10 a.m.
YYZ
-
CHS
1 stop6h 18m
Multiple Airlines
Wed 3/64:34 p.m.
CHS
-
YYZ
1 stop21h 56m
Multiple Airlines
Deal found 17/3C$ 472
Mon 1/68:10 a.m.
YYZ
-
CHS
1 stop6h 18m
Multiple Airlines
Thu 4/62:53 p.m.
CHS
-
YYZ
1 stop29h 12m
Multiple Airlines
Deal found 17/3C$ 479
Tue 28/41:40 p.m.
YUL
-
CHS
2 stops21h 28m
Multiple Airlines
Tue 5/512:08 p.m.
CHS
-
YUL
1 stop26h 05m
Multiple Airlines
Deal found 17/3C$ 483
Mon 27/45:10 p.m.
YUL
-
CHS
1 stop17h 58m
Multiple Airlines
Tue 5/512:08 p.m.
CHS
-
YUL
1 stop26h 05m
Multiple Airlines
Deal found 17/3C$ 484
Wed 17/67:45 a.m.
YYZ
-
CHS
1 stop24h 53m
Multiple Airlines
Fri 19/63:23 p.m.
CHS
-
YYZ
1 stop8h 12m
Multiple Airlines
Deal found 17/3C$ 486
Fri 24/45:10 p.m.
YUL
-
CHS
1 stop17h 58m
Multiple Airlines
Sat 2/512:05 p.m.
CHS
-
YUL
1 stop26h 08m
Multiple Airlines
Deal found 17/3C$ 487
Sun 19/46:25 a.m.
YOW
-
CHS
1 stop15h 00m
United Airlines
Thu 23/46:00 a.m.
CHS
-
YOW
1 stop4h 03m
United Airlines
Deal found 19/3C$ 490
Mon 6/47:10 a.m.
YYZ
-
CHS
1 stop25h 28m
Multiple Airlines
Sat 11/48:07 a.m.
CHS
-
YYZ
1 stop6h 33m
Multiple Airlines
Deal found 19/3C$ 490

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 22 March 2026.

Round-trip from

C$ 460

One-way from

C$ 278

Popular in

January

Cheapest in

September

Average price

C$ 951

Good round-trip deal

C$ 680 or less
5/4-9/4
  • 5/4-9/4
  • 2 total stops
  • 23h 56m total
  • Ontario to Charleston
Search Deals
8/6
  • 8/6
  • 1 total stop
  • 25h 27m total
  • Ontario to Charleston
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (C$ 417 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease (C$ 110 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 22 March 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

Sun 19/4

5:00 a.m.-10:13 a.m.

1 stop5h 13m

Charleston

Thu 23/4

11:05 a.m.-6:36 p.m.

1 stop7h 31m

C$ 468

OttawaCharleston

YOW - CHS

YOWCHS

Ottawa

Sun 19/4

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

1 stop15h 00m

Charleston

Thu 23/4

6:00 a.m.-10:03 a.m.

1 stop4h 03m

C$ 490

TorontoCharleston

YTZ - CHS

YTZCHS

Toronto Island

Sat 18/4

6:25 p.m.-11:08 a.m.

1 stop16h 43m

Charleston

Sat 25/4

12:05 p.m.-7:50 p.m.

1 stop7h 45m

C$ 519

TorontoCharleston

YYZ - CHS

YYZCHS

Toronto Pearson Intl

Tue 14/4

10:00 a.m.-6:07 p.m.

1 stop8h 07m

Charleston

Fri 17/4

6:00 a.m.-5:39 p.m.

1 stop11h 39m

C$ 539

OttawaCharleston

YOW - CHS

YOWCHS

Ottawa

Tue 14/4

2:40 p.m.-6:59 p.m.

1 stop4h 19m

Charleston

Fri 17/4

7:40 p.m.-9:11 a.m.

1 stop13h 31m

C$ 554

TorontoCharleston

YYZ - CHS

YYZCHS

Toronto Pearson Intl

Wed 13/5

7:55 a.m.-6:15 p.m.

1 stop10h 20m

Charleston

Wed 20/5

6:55 p.m.-11:41 p.m.

1 stop4h 46m

C$ 583

TorontoCharleston

YTZ - CHS

YTZCHS

Toronto Island

Tue 5/5

11:55 a.m.-11:13 a.m.

2 stops23h 18m

Charleston

Tue 12/5

12:08 p.m.-6:15 p.m.

1 stop6h 07m

C$ 589

MontrealCharleston

YUL - CHS

YULCHS

Montreal Pierre Elliott Trudeau Intl

Sat 18/4

9:30 a.m.-7:08 p.m.

1 stop9h 38m

Charleston

Fri 24/4

5:57 p.m.-11:51 p.m.

1 stop5h 54m

C$ 590

MontrealCharleston

YUL - CHS

YULCHS

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

9:30 a.m.-6:07 p.m.

1 stop8h 37m

Charleston

Tue 28/4

9:38 a.m.-5:40 p.m.

1 stop8h 02m

C$ 590

TorontoCharleston

YYZ - CHS

YYZCHS

Toronto Pearson Intl

Sun 31/5

6:15 a.m.-12:10 p.m.

1 stop5h 55m

Charleston

Tue 2/6

9:26 a.m.-9:19 p.m.

2 stops11h 53m

C$ 591

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/3

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, March is the cheapest month in which you can book a flight from Region of Ontario to Charleston (average of C$ 283). Flying from Region of Ontario to Charleston in August is currently the most expensive (average of C$ 531). 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.

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?

    Air Canada, United Airlines, and Delta can get you from Region of Ontario to Charleston in just under 5h 13m. Your travel time can differ by up to 9h 47m. 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, Montreal Pierre Elliott Trudeau Intl - Charleston or Toronto Island - Charleston when deciding on the best route from Region of Ontario to Charleston.

  • 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$ 702, our data shows the cheapest flight currently is C$ 392. When looking at the most popular route, (Toronto Pearson Intl - Charleston), you can expect to pay C$ 461 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, March is the cheapest month in which you can book a flight from Region of Ontario to Charleston (average of C$ 283). Flying from Region of Ontario to Charleston in August is currently the most expensive (average of C$ 531). 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 2 airlines flying from Ontario to Charleston

Discover the top 2 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 22 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 406AverageC$ 736FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 412AverageC$ 740FlexibilityNo 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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