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Cheap flights from Charleston to Los Angeles from $239

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Charleston to Los Angeles departing on 7/2. 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
0 bags

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Find the cheapest flights from Charleston to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:10 am - 10:42 am
CHS
-
ONT
8h 32m
1 stop
Delta Logo
7:05 am - 6:51 pm
ONT
-
CHS
8h 46m
1 stop
$297Delta
Wed, Aug 12 - Tue, Aug 18
American Airlines Logo
6:00 am - 1:31 pm
CHS
-
ONT
10h 31m
2 stops
American Airlines Logo
12:33 pm - 10:50 pm
ONT
-
CHS
7h 17m
1 stop
$354American Airlines
Wed, Aug 12 - Tue, Aug 18
Southwest Logo
1:15 pm - 8:55 pm
CHS
-
ONT
10h 40m
2 stops
Southwest Logo
11:55 pm - 12:35 pm
ONT
-
CHS
9h 40m
2 stops
$373Southwest
Wed, Aug 12 - Tue, Aug 18
American Airlines Logo
7:00 am - 2:04 pm
CHS
-
ONT
10h 04m
1 stop
American Airlines Logo
10:34 pm - 8:29 am
ONT
-
CHS
6h 55m
1 stop
$391American Airlines
Wed, Nov 18 - Wed, Nov 25
Southwest Logo
4:50 pm - 10:20 pm
CHS
-
ONT
8h 30m
1 stop
Southwest Logo
9:40 pm - 10:10 am
ONT
-
CHS
9h 30m
1 stop
$395Southwest
Wed, Jul 22 - Tue, Jul 28
Southwest Logo
4:50 pm - 10:20 pm
CHS
-
ONT
8h 30m
1 stop
Southwest Logo
11:55 pm - 1:30 pm
ONT
-
CHS
10h 35m
2 stops
$396Southwest
Wed, Jul 15 - Tue, Jul 21
Southwest Logo
6:35 am - 2:05 pm
CHS
-
ONT
10h 30m
2 stops
Southwest Logo
9:40 pm - 10:10 am
ONT
-
CHS
9h 30m
1 stop
$400Southwest
Wed, Jul 22 - Tue, Jul 28
Southwest Logo
4:15 pm - 10:50 pm
CHS
-
ONT
9h 35m
2 stops
Southwest Logo
11:55 pm - 1:30 pm
ONT
-
CHS
10h 35m
2 stops
$405Southwest
Wed, Jul 22 - Tue, Jul 28
JetBlue Logo
11:05 am - 8:13 pm
CHS
-
ONT
12h 08m
1 stop
JetBlue Logo
9:10 pm - 10:15 am
ONT
-
CHS
10h 05m
1 stop
$419JetBlue
Wed, Sep 23 - Sat, Sep 26
American Airlines Logo
6:45 am - 2:04 pm
CHS
-
ONT
10h 19m
2 stops
American Airlines Logo
10:34 pm - 8:29 am
ONT
-
CHS
6h 55m
1 stop
$420American Airlines
Wed, Nov 18 - Wed, Nov 25

Southwest flights from Charleston to Ontario

Our best Southwest deals on Charleston to Ontario flight tickets
Southwest
Aug 12
CHS1:15 pmCharleston
10h 40m
2 stops
ONT8:55 pmOntario
Aug 18
ONT11:55 pmOntario
9h 40m
2 stops
CHS12:35 pmCharleston
$373
Southwest
Jul 22
CHS4:50 pmCharleston
8h 30m
1 stop
ONT10:20 pmOntario
Jul 28
ONT9:40 pmOntario
9h 30m
1 stop
CHS10:10 amCharleston
$395
Southwest
Jul 15
CHS4:50 pmCharleston
8h 30m
1 stop
ONT10:20 pmOntario
Jul 21
ONT11:55 pmOntario
10h 35m
2 stops
CHS1:30 pmCharleston
$396

United Airlines flights from Charleston to Ontario

Our best United Airlines deals on Charleston to Ontario flight tickets
United Airlines
Sep 24
CHS4:58 pmCharleston
8h 28m
1 stop
ONT10:26 pmOntario
Sep 29
ONT7:00 amOntario
7h 45m
1 stop
CHS5:45 pmCharleston
$424
United Airlines
Aug 22
CHS3:33 pmCharleston
10h 02m
1 stop
ONT10:35 pmOntario
Aug 26
ONT5:00 amOntario
7h 28m
1 stop
CHS3:28 pmCharleston
$516
United Airlines
Sep 1
CHS3:33 pmCharleston
10h 02m
1 stop
ONT10:35 pmOntario
Sep 2
ONT5:00 amOntario
7h 28m
1 stop
CHS3:28 pmCharleston
$526

momondo 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, momondo users made 832,500 searches. Data last updated May 31, 2026.
Use the filters below to find and compare flights from Charleston to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Wed 8/12

5:10 am-10:42 am

1 stop8h 32m

Ontario

Tue 8/18

7:05 am-6:51 pm

1 stop8h 46m

$297

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Wed 8/12

6:00 am-1:31 pm

2 stops10h 31m

Ontario

Tue 8/18

12:33 pm-10:50 pm

1 stop7h 17m

$354

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Wed 8/12

1:15 pm-8:55 pm

2 stops10h 40m

Ontario

Tue 8/18

11:55 pm-12:35 pm

2 stops9h 40m

$373
Quickest round-trip

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Wed 11/18

7:00 am-2:04 pm

1 stop10h 04m

Ontario

Wed 11/25

10:34 pm-8:29 am

1 stop6h 55m

$391

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Wed 7/22

4:50 pm-10:20 pm

1 stop8h 30m

Ontario

Tue 7/28

9:40 pm-10:10 am

1 stop9h 30m

$395

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Wed 7/15

4:50 pm-10:20 pm

1 stop8h 30m

Ontario

Tue 7/21

11:55 pm-1:30 pm

2 stops10h 35m

$396

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Wed 7/22

6:35 am-2:05 pm

2 stops10h 30m

Ontario

Tue 7/28

9:40 pm-10:10 am

1 stop9h 30m

$400

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Wed 7/22

4:15 pm-10:50 pm

2 stops9h 35m

Ontario

Tue 7/28

11:55 pm-1:30 pm

2 stops10h 35m

$405

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Wed 9/23

11:05 am-8:13 pm

1 stop12h 08m

Ontario

Sat 9/26

9:10 pm-10:15 am

1 stop10h 05m

$419

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Wed 11/18

6:45 am-2:04 pm

2 stops10h 19m

Ontario

Wed 11/25

10:34 pm-8:29 am

1 stop6h 55m

$420

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Charleston to Ontario

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 typical price of a round-trip flight between Charleston and Ontario?

What is the cheapest month to fly to Ontario?

In general, February is the cheapest month to fly from Charleston to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $297. If you aren’t able to travel during the month of February, then book flights to Ontario from Charleston during September instead. Flights to Ontario in September, while not as cheap as those in February, still average around $315.

How have Charleston to Ontario flight prices changed over time?

As of May 2026, prices for Charleston to Ontario flights are approximately 55% cheaper when compared to flights at the same time last year.

When to book flights from Charleston to Ontario

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

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

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

Fastest flight time

6h 53m

Direct flights

None
The fastest flight from Charleston to Ontario takes 6h 53m
There are no direct flights from Charleston to Ontario. There are no popular flight routes from Charleston to Ontario.
Search flight deals

Frequently asked questions about flying from Charleston to Ontario

  • How far is Charleston to Ontario by plane?

    Charleston and Ontario are 2163.2 mi apart from one another. By plane, this route typically takes 6h 53m.

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

    Prices for flights from Charleston Airport to Ontario Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Charleston Airport to Ontario Airport.

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

    The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Charleston to Ontario

Compare and see reviews for airlines that fly from Charleston to Ontario with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $168Free CancellationRating
7.1
11,642 reviews
Search American Airlines flights
DeltaPriceFrom $326Free CancellationRating
7.9
8,412 reviews
Search Delta flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Charleston to Ontario. momondo saves you time and could save you money on your trip.

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

All flight searches from Charleston to Ontario on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Charleston.

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

Yes momondo offers price alerts on flights to Ontario from Charleston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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