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$120+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — YYZ
may. 4 — may. 111
dom. 5/4
dom. 5/11
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 abril 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$285
(Kiwi.com)

One-way from

$120
(Mytrip)

Popular in

February

Cheapest in

April

Average price

$261

Good round-trip deal

$604 or less

Good one-way deal

$654 or less
Provider with most accurate pricing for Charleston-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Charleston-Toronto (YTO) flights.
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From Charleston to Ontario
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One-way flight from Charleston to Ontario
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/36:00 amCHS - YYZ
2 stops11h 48mMultiple Airlines
sáb. 6/74:20 pmYYZ - CHS
1 stop6h 04mMultiple Airlines
Deal found 4/28$285
This Mytrip deal was found by Cheapflights users on 4/27. 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.
mar. 6/36:00 amCHS - YTZ
1 stop15h 20mMultiple Airlines
dom. 6/87:25 pmYTZ - CHS
1 stop17h 43mMultiple Airlines
Deal found 4/27$316
This Mytrip deal was found by Cheapflights users on 4/27. 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.
sáb. 6/219:42 amCHS - YUL
2 stops38h 55mMultiple Airlines
mié. 6/2510:30 amYUL - CHS
2 stops22h 07mMultiple Airlines
Deal found 4/27$370
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/18:43 pmCHS - YUL
1 stop17h 01mAmerican Airlines
sáb. 6/710:35 amYUL - CHS
1 stop6h 47mAmerican Airlines
Deal found 4/28$419
This deal was found by Cheapflights users on 4/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/314:55 pmCHS - YUL
1 stop5h 25mAir Canada
dom. 6/810:15 amYUL - CHS
1 stop6h 01mAir Canada
Deal found 4/29$460
This Booking.com deal was found by Cheapflights users on 4/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/54:55 pmCHS - YYZ
Nonstop2h 10mAir Canada
dom. 6/82:10 pmYYZ - CHS
Nonstop2h 06mAir Canada
Deal found 4/28$482
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/2412:50 pmCHS - YYZ
1 stop10h 23mDelta
dom. 7/276:04 amYYZ - CHS
1 stop6h 06mDelta
Deal found 4/28$485
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/210:31 amCHS - YUL
1 stop8h 22mDelta
sáb. 8/911:00 amYUL - CHS
1 stop8h 10mDelta
Deal found 4/28$543
This United Airlines deal was found by Cheapflights users on 4/27. 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.
vie. 6/64:55 pmCHS - YYZ
Nonstop2h 10mUnited Airlines
dom. 6/82:10 pmYYZ - CHS
Nonstop2h 06mUnited Airlines
Deal found 4/27$552
This United Airlines deal was found by Cheapflights users on 4/27. 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.
jue. 8/142:44 pmCHS - YUL
2 stops17h 54mUnited Airlines
dom. 8/176:05 pmYUL - CHS
2 stops16h 09mUnited Airlines
Deal found 4/27$556
This Justfly.com deal was found by Cheapflights users on 4/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/136:20 pmCHS - YUL
1 stop24h 33mWestJet
lun. 6/166:45 pmYUL - CHS
1 stop5h 14mWestJet
Deal found 4/28$587
This Justfly.com deal was found by Cheapflights users on 4/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/36:20 amCHS - YYZ
1 stop4h 04mWestJet
lun. 7/76:30 pmYYZ - CHS
2 stops17h 18mWestJet
Deal found 4/28$592

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 abril 29, 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

mar. 6/3

6:00 am-5:48 pm

2 stops11h 48m

Toronto Pearson Intl

sáb. 6/7

4:20 pm-10:24 pm

1 stop6h 04m

$285

CharlestonToronto

CHS - YTZ

CHSYTZ

Charleston

mar. 6/3

6:00 am-9:20 pm

1 stop15h 20m

Toronto Island

dom. 6/8

7:25 pm-1:08 pm

1 stop17h 43m

$316

CharlestonMontreal

CHS - YUL

CHSYUL

Charleston

sáb. 6/21

9:42 am-12:37 am

2 stops38h 55m

Montreal Pierre Elliott Trudeau Intl

mié. 6/25

10:30 am-8:37 am

2 stops22h 07m

$370

CharlestonMontreal

CHS - YUL

CHSYUL

Charleston

dom. 6/1

8:43 pm-1:44 pm

1 stop17h 01m

Montreal Pierre Elliott Trudeau Intl

sáb. 6/7

10:35 am-5:22 pm

1 stop6h 47m

$419

CharlestonMontreal

CHS - YUL

CHSYUL

Charleston

sáb. 5/31

4:55 pm-10:20 pm

1 stop5h 25m

Montreal Pierre Elliott Trudeau Intl

dom. 6/8

10:15 am-4:16 pm

1 stop6h 01m

$460

CharlestonToronto

CHS - YYZ

CHSYYZ

Charleston

jue. 6/5

4:55 pm-7:05 pm

Nonstop2h 10m

Toronto Pearson Intl

dom. 6/8

2:10 pm-4:16 pm

Nonstop2h 06m

$482

CharlestonToronto

CHS - YYZ

CHSYYZ

Charleston

jue. 7/24

12:50 pm-11:13 pm

1 stop10h 23m

Toronto Pearson Intl

dom. 7/27

6:04 am-12:10 pm

1 stop6h 06m

$485

CharlestonMontreal

CHS - YUL

CHSYUL

Charleston

sáb. 8/2

10:31 am-6:53 pm

1 stop8h 22m

Montreal Pierre Elliott Trudeau Intl

sáb. 8/9

11:00 am-7:10 pm

1 stop8h 10m

$543

CharlestonToronto

CHS - YYZ

CHSYYZ

Charleston

vie. 6/6

4:55 pm-7:05 pm

Nonstop2h 10m

Toronto Pearson Intl

dom. 6/8

2:10 pm-4:16 pm

Nonstop2h 06m

$552

CharlestonMontreal

CHS - YUL

CHSYUL

Charleston

jue. 8/14

2:44 pm-8:38 am

2 stops17h 54m

Montreal Pierre Elliott Trudeau Intl

dom. 8/17

6:05 pm-10:14 am

2 stops16h 09m

$556

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 25 results
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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 July is currently the most expensive (average of $359). 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 abril 29, 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 abril 29, 2025.
See what other customers who have flown with Alaska Airlines, Porter Airlines and Delta from Charleston to Ontario have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Porter Airlines
8.0
Very good
285 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 American Airlines. According to our data, you can fly for as low as $202. Users have also found prices from $207 and $227 on Air Canada and Delta, 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 (60%), Jazz (60%) and United Airlines (60%).

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

    While on average a flight from Charleston to Region of Ontario is generally $1,141, our data shows the cheapest flight currently is $251. When looking at the most popular route, (Charleston - Toronto Pearson Intl), you can expect to pay $291 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 July is currently the most expensive (average of $359). 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 Vancouver Intl flights
Charlotte to Pearson Intl flights
Charlotte to Calgary flights
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Myrtle Beach to Pearson Intl flights
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Greenville to Pearson Intl flights
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Greenville to Calgary flights
Savannah to Pierre Elliott Trudeau Intl flights
Columbia to Pearson Intl flights
Charlotte to Fredericton flights
Greenville to Halifax flights
Myrtle Beach to Calgary flights
Charlotte to Ottawa flights
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Charlotte to St. John's flights
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Charleston to Québec City flights
Charleston to St. John's flights
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Myrtle Beach to Pierre Elliott Trudeau Intl flights
Augusta to Pearson Intl flights
Charlotte to Victoria flights
Columbia to Winnipeg flights
Greenville to Québec City flights
Charlotte to Charlottetown flights
Savannah to Victoria flights
Savannah to Halifax flights
Augusta to Pierre Elliott Trudeau Intl flights
Charlotte to Regina flights
Greenville to Victoria flights
Hilton Head Island to Pearson Intl flights
Charleston to Edmonton flights
Charlotte to Sudbury 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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$220Average$590FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$227Average$728FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$488Average$673FlexibilityNo cancel feeOn-time71%

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