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Cheap flights from Ontario to Charleston from $166

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Charleston departing on 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Charleston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:10 pm - 8:43 am
ONT
-
CHS
6h 33m
1 stop
Delta Logo
5:20 am - 11:10 am
CHS
-
ONT
8h 50m
1 stop
$333Delta
週一, 11月 9 - 週三, 11月 11
Delta Logo
7:05 am - 5:51 pm
ONT
-
CHS
7h 46m
1 stop
Delta Logo
1:01 pm - 6:30 pm
CHS
-
ONT
8h 29m
1 stop
$333Delta
週二, 9月 1 - 週四, 9月 3
American Airlines Logo
12:33 pm - 10:50 pm
ONT
-
CHS
7h 17m
1 stop
American Airlines Logo
7:00 am - 11:43 am
CHS
-
ONT
7h 43m
1 stop
$333American Airlines
週六, 8月 22 - 週六, 8月 29
American Airlines Logo
12:37 pm - 10:48 pm
ONT
-
CHS
7h 11m
1 stop
American Airlines Logo
4:32 pm - 10:59 pm
CHS
-
ONT
9h 27m
1 stop
$333American Airlines
週三, 9月 16 - 週三, 10月 7
Southwest Logo
11:55 pm - 10:55 am
ONT
-
CHS
8h 00m
1 stop
Southwest Logo
11:00 am - 2:30 pm
CHS
-
ONT
6h 30m
1 stop
$333Southwest
週三, 9月 9 - 週六, 9月 12
Southwest Logo
8:10 am - 5:50 pm
ONT
-
CHS
6h 40m
1 stop
Southwest Logo
11:00 am - 2:30 pm
CHS
-
ONT
6h 30m
1 stop
$338Southwest
週五, 9月 11 - 週六, 9月 12
United Airlines Logo
5:00 am - 9:34 pm
ONT
-
CHS
13h 34m
2 stops
United Airlines Logo
4:58 pm - 10:59 pm
CHS
-
ONT
9h 01m
1 stop
$338United Airlines
週二, 9月 1 - 週六, 9月 12
United Airlines Logo
7:00 am - 7:40 pm
ONT
-
CHS
9h 40m
1 stop
United Airlines Logo
4:58 pm - 10:59 pm
CHS
-
ONT
9h 01m
1 stop
$338United Airlines
週五, 9月 11 - 週六, 9月 19
Multiple Airlines Logo
10:39 pm - 10:17 am
ONT
-
CHS
8h 38m
1 stop
Multiple Airlines Logo
7:09 pm - 11:16 am
CHS
-
ONT
19h 07m
1 stop
$364Multiple Airlines
週五, 9月 11 - 週一, 9月 14
Alaska Airlines Logo
6:02 am - 6:06 pm
ONT
-
CHS
9h 04m
1 stop
Alaska Airlines Logo
7:09 pm - 11:16 am
CHS
-
ONT
19h 07m
1 stop
$394Alaska Airlines
週三, 9月 16 - 週一, 9月 21

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Southwest flights from Ontario to Charleston

Our best Southwest deals on Ontario to Charleston flight tickets
Southwest
Sep 11
ONT8:10 amOntario
6h 40m
1 stop
CHS5:50 pmCharleston
Sep 12
CHS11:00 amCharleston
6h 30m
1 stop
ONT2:30 pmOntario
$338
Southwest
Nov 12
ONT7:30 amOntario
9h 45m
2 stops
CHS8:15 pmCharleston
Nov 16
CHS7:55 amCharleston
13h 20m
1 stop
ONT6:15 pmOntario
$344
Southwest
Sep 11
ONT5:40 amOntario
8h 45m
2 stops
CHS5:25 pmCharleston
Sep 19
CHS8:05 amCharleston
11h 25m
2 stops
ONT4:30 pmOntario
$348

Alaska Airlines flights from Ontario to Charleston

Our best Alaska Airlines deals on Ontario to Charleston flight tickets
Alaska Airlines
Sep 16
ONT6:02 amOntario
9h 04m
1 stop
CHS6:06 pmCharleston
Sep 21
CHS7:09 pmCharleston
19h 07m
1 stop
ONT11:16 amOntario
$394
Alaska Airlines
Sep 16
ONT6:02 amOntario
9h 04m
1 stop
CHS6:06 pmCharleston
Sep 21
CHS7:09 pmCharleston
24h 01m
2 stops
ONT4:10 pmOntario
$449
Alaska Airlines
Oct 17
ONT6:02 amOntario
8h 53m
1 stop
CHS5:55 pmCharleston
Oct 28
CHS6:59 pmCharleston
26h 01m
1 stop
ONT6:00 pmOntario
$466

momondo 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, momondo users made 832,500 searches. Data last updated 7月 31, 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

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

週一 11/9

11:10 pm-8:43 am

1 stop6h 33m

Charleston

週三 11/11

5:20 am-11:10 am

1 stop8h 50m

$333

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

週二 9/1

7:05 am-5:51 pm

1 stop7h 46m

Charleston

週四 9/3

1:01 pm-6:30 pm

1 stop8h 29m

$333

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

週六 8/22

12:33 pm-10:50 pm

1 stop7h 17m

Charleston

週六 8/29

7:00 am-11:43 am

1 stop7h 43m

$333

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

週三 9/16

12:37 pm-10:48 pm

1 stop7h 11m

Charleston

週三 10/7

4:32 pm-10:59 pm

1 stop9h 27m

$333

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

週三 9/9

11:55 pm-10:55 am

1 stop8h 00m

Charleston

週六 9/12

11:00 am-2:30 pm

1 stop6h 30m

$333
Quickest round-trip

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

週五 9/11

8:10 am-5:50 pm

1 stop6h 40m

Charleston

週六 9/12

11:00 am-2:30 pm

1 stop6h 30m

$338

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

週二 9/1

5:00 am-9:34 pm

2 stops13h 34m

Charleston

週六 9/12

4:58 pm-10:59 pm

1 stop9h 01m

$338

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

週五 9/11

7:00 am-7:40 pm

1 stop9h 40m

Charleston

週六 9/19

4:58 pm-10:59 pm

1 stop9h 01m

$338

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

週五 9/11

10:39 pm-10:17 am

1 stop8h 38m

Charleston

週一 9/14

7:09 pm-11:16 am

1 stop19h 07m

$364

OntarioCharleston

ONT - CHS

ONTCHS

Ontario

週三 9/16

6:02 am-6:06 pm

1 stop9h 04m

Charleston

週一 9/21

7:09 pm-11:16 am

1 stop19h 07m

$394

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Charleston from

How to get the cheapest flight ticket from Ontario to Charleston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Charleston?

The cheapest month to fly to Charleston from Ontario is in September. Flight prices, which tend to average around $350, are often lower during this time because this is during the off-season. The month of January is another great option to travel to Charleston, with average flight prices from Ontario averaging around $386.

What is the cheapest day to depart on your flight to Charleston?

The cheapest day to depart from Ontario to Charleston is on a Tuesday. Travelers who choose to depart for Charleston on a Tuesday will often find tickets for as low as $198. The most expensive day to fly to Charleston is Wednesday, with ticket prices averaging around $353.

What is the cheapest time of day to depart on your flight to Charleston?

The cheapest time of day to fly to Charleston is in the evening when flights can be purchased for as low as $265. In the morning is when there is more demand to fly to Charleston, so prices are often more expensive at around $318 per ticket.

How have Ontario to Charleston flight prices changed over time?

When to book flights from Ontario to Charleston

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Charleston according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Charleston (ONT to CHS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Charleston

Fastest flight time

6h 33m

Direct flights

None
The fastest flight from Ontario to Charleston takes 6h 33m
There are no direct flights from Ontario to Charleston. There are no popular flight routes from Ontario to Charleston.
Search flight deals

Frequently asked questions about flying from Ontario to Charleston

  • How far is Ontario to Charleston by plane?

    Charleston is 2163.2 mi away from Ontario. Typically, this will take 6h 33m by plane in normal conditions.

  • When did momondo last update prices for flights from Ontario Airport to Charleston Airport?

    Prices for flights from Ontario Airport to Charleston Airport were last updated today.

  • How many operators does momondo search for flights from Ontario Airport to Charleston Airport?

  • How old do you have to be to fly from Ontario Airport to Charleston Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Charleston Airport.

  • What documentation or ID do you need to fly to Charleston Airport?

    The travel and health documents required for your trip to Charleston Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Charleston Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Ontario to Charleston?

Best airlines flying from Ontario to Charleston

Compare and see reviews for airlines that fly from Ontario to Charleston with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $296Free CancellationRating
7.1
11,847 reviews
Search American Airlines flights
DeltaPriceFrom $300Free CancellationRating
7.8
8,497 reviews
Search Delta flights
United AirlinesPriceFrom $336Free CancellationRating
7.4
10,048 reviews
Search United Airlines flights
SouthwestPriceFrom $384Free CancellationRating
8.0
4,227 reviews
Search Southwest flights

Traveling to a place near Charleston?

Book flights to Charleston if you plan to visit one of these locations
Folly Beach
North Charleston
Summerville
Isle of Palms
Mount Pleasant
Kiawah Island
Walterboro
Santee
Goose Creek
Edisto Island
Edisto Beach
Seabrook Island

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Charleston?

Finding the right flight to Charleston from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Charleston quick and easy, saving you time and money.

Can I find flights from Ontario to Charleston with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to Charleston flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Charleston?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Charleston.

I’m not ready to book a flight from Ontario to Charleston right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Charleston now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Charleston and let you know when they change.

An easier way to manage your Charleston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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週日 8/30
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