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Cheap flights from Charleston to Los Angeles from $139

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Charleston to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:27 pm - 10:07 pmCHS  Charleston-ONT Ontario
7h 40m1 stop Charlotte Douglas
American Airlines Logo
10:30 pm - 8:34 amONT  Ontario-CHS Charleston
7h 04m1 stop Charlotte Douglas
$377American Airlines
Sat, Dec 5 - Sat, Dec 12
American Airlines Logo
7:18 pm - 11:46 pmCHS  Charleston-ONT Ontario
7h 28m1 stop Dallas/Fort Worth
American Airlines Logo
11:59 pm - 12:16 pmONT  Ontario-CHS Charleston
9h 17m1 stop Dallas/Fort Worth
$377American Airlines
Wed, Nov 11 - Mon, Nov 16
Delta Logo
6:00 am - 10:00 amCHS  Charleston-ONT Ontario
7h 00m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:00 pm - 9:46 pmONT  Ontario-CHS Charleston
6h 46m1 stop Atlanta Hartsfield-Jackson
$377Delta
Thu, Dec 31 - Sat, Jan 23
Delta Logo
5:20 am - 11:03 amCHS  Charleston-ONT Ontario
8h 43m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:05 am - 4:29 pmONT  Ontario-CHS Charleston
6h 24m1 stop Atlanta Hartsfield-Jackson
$377Delta
Thu, Nov 12 - Thu, Nov 26
Delta Logo
4:17 pm - 8:54 pmCHS  Charleston-ONT Ontario
7h 37m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:05 am - 4:29 pmONT  Ontario-CHS Charleston
6h 24m1 stop Atlanta Hartsfield-Jackson
$377Delta
Tue, Nov 17 - Thu, Nov 26
United Airlines Logo
5:13 pm - 9:59 pmCHS  Charleston-ONT Ontario
7h 46m1 stop Houston George Bush Intcntl
United Airlines Logo
6:40 pm - 11:02 amONT  Ontario-CHS Charleston
13h 22m2 stops San Francisco Chicago O'Hare Intl
$382United Airlines
Tue, Dec 8 - Fri, Dec 11
United Airlines Logo
10:22 am - 5:36 pmCHS  Charleston-ONT Ontario
10h 14m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
6:40 pm - 11:02 amONT  Ontario-CHS Charleston
13h 22m2 stops San Francisco Chicago O'Hare Intl
$387United Airlines
Tue, Dec 8 - Fri, Dec 11
American Airlines Logo
2:40 pm - 11:46 pmCHS  Charleston-ONT Ontario
12h 06m2 stops Charlotte Douglas Dallas/Fort Worth
American Airlines Logo
10:30 pm - 9:48 amONT  Ontario-CHS Charleston
8h 18m1 stop Charlotte Douglas
$402American Airlines
Wed, Nov 11 - Mon, Nov 16
Southwest Logo
5:30 am - 9:15 amCHS  Charleston-ONT Ontario
6h 45m1 stop Houston Hobby
Southwest Logo
8:40 am - 9:40 pmONT  Ontario-CHS Charleston
10h 00m2 stops Phoenix Sky Harbor Intl Dallas Love Field
$413Southwest
Mon, Nov 9 - Mon, Nov 16
Southwest Logo
1:25 pm - 7:50 pmCHS  Charleston-ONT Ontario
9h 25m2 stops Dallas Love Field Phoenix Sky Harbor Intl
Southwest Logo
7:05 am - 7:30 pmONT  Ontario-CHS Charleston
9h 25m2 stops San Jose Nashville Intl
$439Southwest
Tue, Nov 17 - Tue, Dec 8

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American Airlines flights from Charleston to Ontario

Our best American Airlines deals on Charleston to Ontario flight tickets
American Airlines
Nov 11
CHS2:40 pmCharleston
12h 06m
2 stops
ONT11:46 pmOntario
Nov 16
ONT10:30 pmOntario
8h 18m
1 stop
CHS9:48 amCharleston
$402
American Airlines
Nov 11
CHS7:18 pmCharleston
7h 28m
1 stop
ONT11:46 pmOntario
Nov 16
ONT11:59 pmOntario
9h 17m
1 stop
CHS12:16 pmCharleston
$429
American Airlines
Nov 11
CHS2:40 pmCharleston
12h 06m
2 stops
ONT11:46 pmOntario
Nov 16
ONT11:59 pmOntario
9h 17m
1 stop
CHS12:16 pmCharleston
$436

Alaska Airlines flights from Charleston to Ontario

Our best Alaska Airlines deals on Charleston to Ontario flight tickets
Alaska Airlines
Nov 11
CHS5:58 pmCharleston
32h 08m
1 stop
ONT11:06 pmOntario
Nov 18
ONT6:00 amOntario
31h 55m
1 stop
CHS4:55 pmCharleston
$523
Alaska Airlines
Nov 10
CHS5:58 pmCharleston
24h 15m
1 stop
ONT3:13 pmOntario
Nov 17
ONT6:00 amOntario
31h 55m
1 stop
CHS4:55 pmCharleston
$553
Alaska Airlines
Oct 28
CHS6:59 pmCharleston
21h 17m
1 stop
ONT1:16 pmOntario
Oct 31
ONT6:02 amOntario
8h 53m
1 stop
CHS5:55 pmCharleston
$710

momondo Fare Finder

 
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 Charleston - ONT Ontario

CHSONT

Charleston

Sat 12/5

5:27 pm-10:07 pm

1 stop7h 40m

Ontario

Sat 12/12

10:30 pm-8:34 am

1 stop7h 04m

$377

CharlestonOntario

CHS Charleston - ONT Ontario

CHSONT

Charleston

Wed 11/11

7:18 pm-11:46 pm

1 stop7h 28m

Ontario

Mon 11/16

11:59 pm-12:16 pm

1 stop9h 17m

$377
Quickest round-trip

CharlestonOntario

CHS Charleston - ONT Ontario

CHSONT

Charleston

Thu 12/31

6:00 am-10:00 am

1 stop7h 00m

Ontario

Sat 1/23

12:00 pm-9:46 pm

1 stop6h 46m

$377

CharlestonOntario

CHS Charleston - ONT Ontario

CHSONT

Charleston

Thu 11/12

5:20 am-11:03 am

1 stop8h 43m

Ontario

Thu 11/26

7:05 am-4:29 pm

1 stop6h 24m

$377

CharlestonOntario

CHS Charleston - ONT Ontario

CHSONT

Charleston

Tue 11/17

4:17 pm-8:54 pm

1 stop7h 37m

Ontario

Thu 11/26

7:05 am-4:29 pm

1 stop6h 24m

$377

CharlestonOntario

CHS Charleston - ONT Ontario

CHSONT

Charleston

Tue 12/8

5:13 pm-9:59 pm

1 stop7h 46m

Ontario

Fri 12/11

6:40 pm-11:02 am

2 stops13h 22m

$382

CharlestonOntario

CHS Charleston - ONT Ontario

CHSONT

Charleston

Tue 12/8

10:22 am-5:36 pm

2 stops10h 14m

Ontario

Fri 12/11

6:40 pm-11:02 am

2 stops13h 22m

$387

CharlestonOntario

CHS Charleston - ONT Ontario

CHSONT

Charleston

Wed 11/11

2:40 pm-11:46 pm

2 stops12h 06m

Ontario

Mon 11/16

10:30 pm-9:48 am

1 stop8h 18m

$402

CharlestonOntario

CHS Charleston - ONT Ontario

CHSONT

Charleston

Mon 11/9

5:30 am-9:15 am

1 stop6h 45m

Ontario

Mon 11/16

8:40 am-9:40 pm

2 stops10h 00m

$413

CharlestonOntario

CHS Charleston - ONT Ontario

CHSONT

Charleston

Tue 11/17

1:25 pm-7:50 pm

2 stops9h 25m

Ontario

Tue 12/8

7:05 am-7:30 pm

2 stops9h 25m

$439

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 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 $268. If you aren’t able to travel during the month of February, then book flights to Ontario from Charleston during April instead. Flights to Ontario in April, while not as cheap as those in February, still average around $378.

How have Charleston to Ontario flight prices changed over time?

As of October 2026, prices for Charleston to Ontario flights are approximately 41% more expensive 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

Best Price Found

$139

Fastest flight time

6h 45m

Direct flights

None
The best one-way flight to Ontario from Charleston in the past 72 hours is $139. The best round-trip flight deal from Charleston to Ontario found on momondo in the last 72 hours is $377.
The fastest flight from Charleston to Ontario takes 6h 45m
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 45m.

  • 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
7.0
12,176 reviews
Search American Airlines flights
DeltaPriceFrom $322Free CancellationRating
7.8
8,664 reviews
Search Delta flights
SouthwestPriceFrom $378Free CancellationRating
7.9
4,222 reviews
Search Southwest 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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