Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Charleston to Los Angeles from $148

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 9/12. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Charleston to Los Angeles

Cheap round-trip flights

Delta Logo
6:59 pm - 10:23 pmCHS-ONT
6h 24m1 stop
Delta Logo
11:55 am - 9:22 pmONT-CHS
6h 27m1 stop
$297Delta
Find Deal
Wed, Sep 17 - Tue, Sep 23
American Airlines Logo
5:37 pm - 9:24 pmCHS-ONT
6h 47m1 stop
American Airlines Logo
6:15 am - 7:04 pmONT-CHS
9h 49m2 stops
$302American Airlines
Find Deal
Wed, Sep 24 - Wed, Oct 8
American Airlines Logo
7:06 am - 4:05 pmCHS-ONT
11h 59m2 stops
American Airlines Logo
6:15 am - 7:04 pmONT-CHS
9h 49m2 stops
$307American Airlines
Find Deal
Wed, Sep 24 - Wed, Oct 8
Delta Logo
6:55 pm - 10:22 pmCHS-ONT
6h 27m1 stop
Delta Logo
6:00 am - 6:58 pmONT-CHS
9h 58m2 stops
$318Delta
Find Deal
Thu, Oct 23 - Wed, Oct 29
JetBlue Logo
11:10 am - 9:29 pmCHS-ONT
13h 19m1 stop
JetBlue Logo
10:56 pm - 10:25 amONT-CHS
8h 29m1 stop
$322JetBlue
Find Deal
Wed, Sep 10 - Sat, Sep 20
JetBlue Logo
11:10 am - 9:29 pmCHS-ONT
13h 19m1 stop
JetBlue Logo
10:56 pm - 10:25 amONT-CHS
8h 29m1 stop
$332JetBlue
Find Deal
Thu, Sep 11 - Sat, Sep 13
United Airlines Logo
4:12 pm - 8:43 pmCHS-ONT
7h 31m1 stop
United Airlines Logo
5:10 am - 3:10 pmONT-CHS
7h 00m1 stop
$397United Airlines
Find Deal
Tue, Sep 9 - Wed, Sep 10
United Airlines Logo
4:11 pm - 8:42 pmCHS-ONT
7h 31m1 stop
United Airlines Logo
6:00 am - 7:30 pmONT-CHS
10h 30m2 stops
$402United Airlines
Find Deal
Wed, Dec 10 - Tue, Dec 16
Alaska Airlines Logo
7:24 pm - 6:32 pmCHS-ONT
26h 08m1 stop
Alaska Airlines Logo
6:00 am - 6:24 pmONT-CHS
9h 24m1 stop
$425Alaska Airlines
Find Deal
Wed, Dec 10 - Tue, Dec 16
Alaska Airlines Logo
6:17 pm - 10:44 amCHS-ONT
19h 27m1 stop
Alaska Airlines Logo
7:47 pm - 5:17 pmONT-CHS
18h 30m1 stop
$442Alaska Airlines
Find Deal
Wed, Sep 17 - Mon, Sep 22

American Airlines flights from Charleston to Ontario

Our best American Airlines deals on Charleston to Ontario flight tickets
American Airlines
Sep 24
CHS5:37 pmCharleston
6h 47m
1 stop
ONT9:24 pmOntario
Oct 8
ONT6:15 amOntario
9h 49m
2 stops
CHS7:04 pmCharleston
$302
Find similar
American Airlines
Sep 24
CHS7:06 amCharleston
11h 59m
2 stops
ONT4:05 pmOntario
Oct 8
ONT6:15 amOntario
9h 49m
2 stops
CHS7:04 pmCharleston
$307
Find similar
American Airlines
Oct 23
CHS2:36 pmCharleston
8h 31m
1 stop
ONT8:07 pmOntario
Oct 29
ONT12:47 pmOntario
8h 02m
1 stop
CHS11:49 pmCharleston
$313
Find similar

JetBlue flights from Charleston to Ontario

Our best JetBlue deals on Charleston to Ontario flight tickets
JetBlue
Sep 10
CHS11:10 amCharleston
13h 19m
1 stop
ONT9:29 pmOntario
Sep 20
ONT10:56 pmOntario
8h 29m
1 stop
CHS10:25 amCharleston
$322
Find similar
JetBlue
Sep 11
CHS11:10 amCharleston
13h 19m
1 stop
ONT9:29 pmOntario
Sep 13
ONT10:56 pmOntario
8h 29m
1 stop
CHS10:25 amCharleston
$332
Find similar
JetBlue
Sep 18
CHS11:10 amCharleston
13h 19m
1 stop
ONT9:29 pmOntario
Sep 22
ONT10:56 pmOntario
8h 29m
1 stop
CHS10:25 amCharleston
$347
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 August 21, 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

Wed 9/17

6:59 pm-10:23 pm

1 stop6h 24m

Ontario

Tue 9/23

11:55 am-9:22 pm

1 stop6h 27m

$297

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Wed 9/24

5:37 pm-9:24 pm

1 stop6h 47m

Ontario

Wed 10/8

6:15 am-7:04 pm

2 stops9h 49m

$302

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Wed 9/24

7:06 am-4:05 pm

2 stops11h 59m

Ontario

Wed 10/8

6:15 am-7:04 pm

2 stops9h 49m

$307

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Thu 10/23

6:55 pm-10:22 pm

1 stop6h 27m

Ontario

Wed 10/29

6:00 am-6:58 pm

2 stops9h 58m

$318

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Wed 9/10

11:10 am-9:29 pm

1 stop13h 19m

Ontario

Sat 9/20

10:56 pm-10:25 am

1 stop8h 29m

$322

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Thu 9/11

11:10 am-9:29 pm

1 stop13h 19m

Ontario

Sat 9/13

10:56 pm-10:25 am

1 stop8h 29m

$332

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Tue 9/9

4:12 pm-8:43 pm

1 stop7h 31m

Ontario

Wed 9/10

5:10 am-3:10 pm

1 stop7h 00m

$397

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Wed 12/10

4:11 pm-8:42 pm

1 stop7h 31m

Ontario

Tue 12/16

6:00 am-7:30 pm

2 stops10h 30m

$402

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Wed 12/10

7:24 pm-6:32 pm

1 stop26h 08m

Ontario

Tue 12/16

6:00 am-6:24 pm

1 stop9h 24m

$425

CharlestonOntario

CHS - ONT

CHSONT

Charleston

Wed 9/17

6:17 pm-10:44 am

1 stop19h 27m

Ontario

Mon 9/22

7:47 pm-5:17 pm

1 stop18h 30m

$442

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Los Angeles from

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

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 August 2025, prices for Charleston to Ontario flights are approximately 40% 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

Direct flights

None
There are no direct flights from Charleston to Ontario. There are no popular flight routes from Charleston to Ontario.
Search flight deals

  • 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 24m.

  • 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
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $296Free CancellationRating
7.9
7,981 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.

An easier way to manage your Ontario 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/26
Tue 9/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States