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Cheap flights from Charleston to Los Angeles from $142

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 12/13. 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.
Alaska Airlines Logo
7:22 pm - 10:59 amCHS-ONT
18h 37m1 stop
Alaska Airlines Logo
4:03 pm - 6:22 pmONT-CHS
23h 19m1 stop
$353Alaska Airlines
Find Deal
Thu, Jan 22 - Wed, Jan 28
Delta Logo
12:51 pm - 7:39 pmCHS-ONT
9h 48m1 stop
Delta Logo
10:30 pm - 9:19 amONT-CHS
7h 49m1 stop
$354Delta
Find Deal
Thu, Dec 18 - Wed, Jan 7
Delta Logo
3:28 pm - 9:05 pmCHS-ONT
8h 37m1 stop
Delta Logo
10:30 pm - 9:26 amONT-CHS
7h 56m1 stop
$357Delta
Find Deal
Thu, Jan 22 - Wed, Jan 28
Delta Logo
6:30 am - 12:02 pmCHS-ONT
8h 32m1 stop
Delta Logo
10:20 pm - 9:23 amONT-CHS
8h 03m1 stop
$358Delta
Find Deal
Sat, Feb 14 - Wed, Feb 18
Southwest Logo
7:55 am - 2:45 pmCHS-ONT
9h 50m2 stops
Southwest Logo
8:55 am - 8:50 pmONT-CHS
8h 55m1 stop
$359Southwest
Find Deal
Thu, Jan 22 - Wed, Jan 28
Southwest Logo
7:55 am - 2:45 pmCHS-ONT
9h 50m2 stops
Southwest Logo
6:05 am - 5:35 pmONT-CHS
8h 30m2 stops
$364Southwest
Find Deal
Thu, Jan 22 - Wed, Jan 28
Delta Logo
12:51 pm - 7:39 pmCHS-ONT
9h 48m1 stop
Delta Logo
12:41 pm - 10:07 pmONT-CHS
6h 26m1 stop
$371Delta
Find Deal
Thu, Dec 18 - Thu, Jan 8
Delta Logo
2:28 pm - 7:39 pmCHS-ONT
8h 11m1 stop
Delta Logo
10:30 pm - 6:19 pmONT-CHS
16h 49m2 stops
$382Delta
Find Deal
Thu, Dec 18 - Wed, Jan 7
American Airlines Logo
6:35 am - 4:24 pmCHS-ONT
12h 49m2 stops
American Airlines Logo
10:40 pm - 8:33 amONT-CHS
6h 53m1 stop
$392American Airlines
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Sat, Feb 14 - Wed, Feb 18
Alaska Airlines Logo
7:22 pm - 11:56 pmCHS-ONT
31h 34m1 stop
Alaska Airlines Logo
12:02 pm - 5:32 pmONT-CHS
26h 30m1 stop
$394Alaska Airlines
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Thu, Feb 5 - Tue, Feb 24

JetBlue flights from Charleston to Ontario

Our best JetBlue deals on Charleston to Ontario flight tickets
JetBlue
May 5
CHS3:30 pmCharleston
9h 39m
1 stop
ONT10:09 pmOntario
May 12
ONT11:25 pmOntario
12h 15m
1 stop
CHS2:40 pmCharleston
$305
Find similar
JetBlue
May 5
CHS3:30 pmCharleston
9h 39m
1 stop
ONT10:09 pmOntario
May 12
ONT11:25 pmOntario
12h 15m
1 stop
CHS2:40 pmCharleston
$306
Find similar
JetBlue
May 4
CHS3:30 pmCharleston
9h 39m
1 stop
ONT10:09 pmOntario
May 12
ONT11:25 pmOntario
12h 15m
1 stop
CHS2:40 pmCharleston
$372
Find similar

Alaska Airlines flights from Charleston to Ontario

Our best Alaska Airlines deals on Charleston to Ontario flight tickets
Alaska Airlines
Mar 4
CHS6:32 pmCharleston
32h 00m
1 stop
ONT11:32 pmOntario
Mar 17
ONT4:02 pmOntario
22h 29m
1 stop
CHS5:31 pmCharleston
$343
Find similar
Alaska Airlines
Jan 21
CHS7:22 pmCharleston
22h 46m
1 stop
ONT3:08 pmOntario
Jan 24
ONT4:03 pmOntario
23h 19m
1 stop
CHS6:22 pmCharleston
$344
Find similar
Alaska Airlines
Jan 22
CHS7:22 pmCharleston
18h 37m
1 stop
ONT10:59 amOntario
Jan 28
ONT4:03 pmOntario
23h 19m
1 stop
CHS6:22 pmCharleston
$353
Find similar

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 November 30, 2025.
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

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Thu 1/22

7:22 pm-10:59 am

1 stop18h 37m

Ontario

Wed 1/28

4:03 pm-6:22 pm

1 stop23h 19m

$353

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Thu 12/18

12:51 pm-7:39 pm

1 stop9h 48m

Ontario

Wed 1/7

10:30 pm-9:19 am

1 stop7h 49m

$354

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Thu 1/22

3:28 pm-9:05 pm

1 stop8h 37m

Ontario

Wed 1/28

10:30 pm-9:26 am

1 stop7h 56m

$357

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Sat 2/14

6:30 am-12:02 pm

1 stop8h 32m

Ontario

Wed 2/18

10:20 pm-9:23 am

1 stop8h 03m

$358

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Thu 1/22

7:55 am-2:45 pm

2 stops9h 50m

Ontario

Wed 1/28

8:55 am-8:50 pm

1 stop8h 55m

$359

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Thu 1/22

7:55 am-2:45 pm

2 stops9h 50m

Ontario

Wed 1/28

6:05 am-5:35 pm

2 stops8h 30m

$364

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Thu 12/18

12:51 pm-7:39 pm

1 stop9h 48m

Ontario

Thu 1/8

12:41 pm-10:07 pm

1 stop6h 26m

$371

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Thu 12/18

2:28 pm-7:39 pm

1 stop8h 11m

Ontario

Wed 1/7

10:30 pm-6:19 pm

2 stops16h 49m

$382

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Sat 2/14

6:35 am-4:24 pm

2 stops12h 49m

Ontario

Wed 2/18

10:40 pm-8:33 am

1 stop6h 53m

$392

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Thu 2/5

7:22 pm-11:56 pm

1 stop31h 34m

Ontario

Tue 2/24

12:02 pm-5:32 pm

1 stop26h 30m

$394

Flights are sorted by cheapest round-trip flights 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 cheapest month to fly to Ontario?

In general, June 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 $313. If you aren’t able to travel during the month of June, then book flights to Ontario from Charleston during September instead. Flights to Ontario in September, while not as cheap as those in June, still average around $315.

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

The cheapest day to depart on your flight to Ontario is on a Wednesday when prices can be found for as low as $397. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Charleston to Ontario for around $605.

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

In the morning is the cheapest time of day to fly from Charleston to Ontario when you can find flight prices for as low as $389. Flying to Ontario in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $582 on average. Flights to Ontario from Charleston at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How have Charleston to Ontario flight prices changed over time?

As of November 2025, prices for Charleston to Ontario flights are approximately 22% 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

7h 30m

Direct flights

None
The fastest flight from Charleston to Ontario takes 7h 30m
There are no direct flights from Charleston to Ontario. There are no popular flight routes from Charleston to Ontario.
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  • 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 39m.

  • 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 $267Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights
DeltaPriceFrom $296Free CancellationRating
7.9
8,011 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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