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$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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — YYZ
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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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 July 30, 2025.

Round-trip from

$320
(Kiwi.com)

One-way from

$140
(Trip.com)

Popular in

August

Cheapest in

October

Average price

$571

Good round-trip deal

$852 or less

Good one-way deal

$411 or less
From Charleston to Ontario
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One-way flight from Charleston to Ontario
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Highest demand for flights based on searches. 12% potential increase in price ($73 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Charleston to Ontario.
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Price to beat on a one-way flight from Charleston to Ontario.
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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 July 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Sat 9/67:00 amCHS - YYZ
1 stop16h 38mMultiple Airlines
Sun 9/77:55 amYYZ - CHS
1 stop9h 13mMultiple Airlines
Deal found 7/29$320
This Mytrip deal was found by Cheapflights users on 7/28. 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.
Fri 8/229:40 pmCHS - YTZ
2 stops15h 57mMultiple Airlines
Mon 8/258:30 amYTZ - CHS
1 stop12h 05mMultiple Airlines
Deal found 7/28$325
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Thu 10/26:08 pmCHS - YUL
1 stop23h 47mMultiple Airlines
Sun 10/58:55 amYUL - CHS
2 stops8h 13mMultiple Airlines
Deal found 7/29$335
This Booking.com deal was found by Cheapflights users on 7/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/64:55 pmCHS - YYZ
Nonstop2h 10mAir Canada
Sun 9/72:05 pmYYZ - CHS
Nonstop2h 06mAir Canada
Deal found 7/29$362
This Delta deal was found by Cheapflights users on 7/30. 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.
Thu 9/42:31 pmCHS - YYZ
1 stop9h 12mDelta
Sun 9/76:15 amYYZ - CHS
1 stop7h 26mDelta
Deal found 7/30$414
This Delta deal was found by Cheapflights users on 7/30. 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.
Tue 9/237:00 amCHS - YUL
1 stop9h 05mDelta
Sat 9/2711:00 amYUL - CHS
1 stop7h 59mDelta
Deal found 7/30$430
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 9/277:27 amCHS - YYZ
1 stop9h 06mAmerican Airlines
Sat 10/46:30 amYYZ - CHS
1 stop11h 14mAmerican Airlines
Deal found 7/30$479
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Mon 9/226:17 pmCHS - YUL
1 stop17h 28mAmerican Airlines
Sun 9/287:50 amYUL - CHS
1 stop13h 52mAmerican Airlines
Deal found 7/30$500
This Air Canada deal was found by Cheapflights users on 7/29. 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.
Wed 9/106:00 amCHS - YUL
1 stop11h 00mAir Canada
Sun 9/1410:15 amYUL - CHS
1 stop5h 56mAir Canada
Deal found 7/29$599
This United Airlines deal was found by Cheapflights users on 7/28. 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 9/106:05 amCHS - YUL
1 stop11h 21mUnited Airlines
Sun 9/148:20 amYUL - CHS
1 stop26h 20mUnited Airlines
Deal found 7/28$628
This Air Canada deal was found by Cheapflights users on 7/29. 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.
Sat 8/2311:37 amCHS - YTZ
2 stops9h 54mAir Canada
Wed 8/277:25 amYTZ - CHS
2 stops11h 43mAir Canada
Deal found 7/29$795

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 July 30, 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 9/6

7:00 am-11:38 pm

1 stop16h 38m

Toronto Pearson Intl

Sun 9/7

7:55 am-5:08 pm

1 stop9h 13m

$320

CharlestonToronto

CHS - YTZ

CHSYTZ

Charleston

Fri 8/22

9:40 pm-1:37 pm

2 stops15h 57m

Toronto Island

Mon 8/25

8:30 am-8:35 pm

1 stop12h 05m

$325

CharlestonMontreal

CHS - YUL

CHSYUL

Charleston

Thu 10/2

6:08 pm-5:55 pm

1 stop23h 47m

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

8:55 am-5:08 pm

2 stops8h 13m

$335

CharlestonToronto

CHS - YYZ

CHSYYZ

Charleston

Sat 9/6

4:55 pm-7:05 pm

Nonstop2h 10m

Toronto Pearson Intl

Sun 9/7

2:05 pm-4:11 pm

Nonstop2h 06m

$362

CharlestonToronto

CHS - YYZ

CHSYYZ

Charleston

Thu 9/4

2:31 pm-11:43 pm

1 stop9h 12m

Toronto Pearson Intl

Sun 9/7

6:15 am-1:41 pm

1 stop7h 26m

$414

CharlestonMontreal

CHS - YUL

CHSYUL

Charleston

Tue 9/23

7:00 am-4:05 pm

1 stop9h 05m

Montreal Pierre Elliott Trudeau Intl

Sat 9/27

11:00 am-6:59 pm

1 stop7h 59m

$430

CharlestonToronto

CHS - YYZ

CHSYYZ

Charleston

Sat 9/27

7:27 am-4:33 pm

1 stop9h 06m

Toronto Pearson Intl

Sat 10/4

6:30 am-5:44 pm

1 stop11h 14m

$479

CharlestonMontreal

CHS - YUL

CHSYUL

Charleston

Mon 9/22

6:17 pm-11:45 am

1 stop17h 28m

Montreal Pierre Elliott Trudeau Intl

Sun 9/28

7:50 am-9:42 pm

1 stop13h 52m

$500

CharlestonMontreal

CHS - YUL

CHSYUL

Charleston

Wed 9/10

6:00 am-5:00 pm

1 stop11h 00m

Montreal Pierre Elliott Trudeau Intl

Sun 9/14

10:15 am-4:11 pm

1 stop5h 56m

$599

CharlestonMontreal

CHS - YUL

CHSYUL

Charleston

Wed 9/10

6:05 am-5:26 pm

1 stop11h 21m

Montreal Pierre Elliott Trudeau Intl

Sun 9/14

8:20 am-10:40 am

1 stop26h 20m

$628

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 18 results
1
2

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 August is currently the most expensive (average of $348). 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 July 30, 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.

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

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 July 30, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Charleston to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,975 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,837 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 Delta. According to our data, you can fly for as low as $180. Users have also found prices from $238 and $246 on Air Canada and United Airlines, 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 (61%), Jazz (61%) and United Airlines (61%).

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

    While on average a flight from Charleston to Region of Ontario is generally $714, our data shows the cheapest flight currently is $283. When looking at the most popular route, (Charleston - Toronto Pearson Intl), you can expect to pay $290 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 August is currently the most expensive (average of $348). 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

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Alternative routes for Charleston to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Charlotte to Pearson Intl flights
Charlotte to Vancouver Intl flights
Charlotte to Pierre Elliott Trudeau Intl flights
Charlotte to Calgary flights
Charlotte to Québec City flights
Charleston to Vancouver Intl flights
Charleston to Pearson Intl flights
Savannah to Pearson Intl flights
Greenville to Pearson Intl flights
Charlotte to Toronto Island flights
Charlotte to Halifax flights
Greenville to Calgary flights
Greenville to Vancouver Intl flights
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Charlotte to Ottawa flights
Myrtle Beach to Vancouver Intl flights
Charleston to Pierre Elliott Trudeau Intl flights
Charlotte to Edmonton flights
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Charleston to Calgary flights
Savannah to Pierre Elliott Trudeau Intl flights
Greenville to Pierre Elliott Trudeau Intl flights
Charleston to Halifax flights
Myrtle Beach to Pierre Elliott Trudeau Intl flights
Greenville to Québec City flights
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Charleston to Toronto Island flights
Charleston to Québec City flights
Charlotte to Charlottetown flights
Myrtle Beach to Pearson Intl flights
Charlotte to Regina flights
Savannah to Halifax flights
Savannah to Vancouver Intl flights
Hilton Head Island to Pearson Intl flights
Columbia to Pearson Intl flights
Augusta to Pearson Intl flights
Charleston to Regina flights
Charlotte to Winnipeg flights
Greenville to Ottawa flights
Myrtle Beach to Calgary flights
Greenville to Halifax flights
Charlotte to London flights
Greenville to Victoria flights
Augusta to Winnipeg flights
Savannah to Victoria flights
Savannah to St. John's flights
Augusta 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$226Average$649FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$261Average$684FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$488Average$620FlexibilityNo cancel feeOn-time71%

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