CHS - ONT

$179 Find Cheap Flights from Charleston to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 26% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$397
Typical prices: $397-$672
American Airlines
Wed 12/5Wed 12/12
CHS - ONT • 1 stop
Cheapest one-way
$179
Typical prices: $193-$439
Multiple Airlines
Sat 1/20
CHS - ONT • 3 stops
Nonstop flights
There are currently no direct flights between Charleston and Ontario. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
Cheapest • 50% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $336 (round-trip)
Shortest trip • 6h 24m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Ontario!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Charleston to Ontario (CHS-ONT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Charleston to Ontario

Sat, Jan 9 - Tue, Jan 12
Delta Logo
6:00 am - 11:58 amCHS  Charleston-ONT Ontario
8h 58m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:07 pm - 12:02 amONT  Ontario-CHS Charleston
7h 55m1 stop Atlanta Hartsfield-Jackson
$404Delta
Tue, Dec 8 - Wed, Dec 9
Delta Logo
5:10 am - 11:07 amCHS  Charleston-ONT Ontario
8h 57m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:05 am - 4:27 pmONT  Ontario-CHS Charleston
6h 22m1 stop Atlanta Hartsfield-Jackson
$409Delta
Sat, Dec 5 - Sat, Dec 12
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
$410American Airlines
Sat, Dec 5 - Sat, Dec 12
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
$411American Airlines
Sat, Dec 5 - Sat, Dec 12
Southwest Logo
6:40 am - 3:00 pmCHS  Charleston-ONT Ontario
11h 20m1 stop Nashville Intl
Southwest Logo
6:00 am - 4:40 pmONT  Ontario-CHS Charleston
7h 40m1 stop Nashville Intl
$414Southwest
Sat, Dec 5 - Sat, Dec 12
United Airlines Logo
10:23 am - 9:11 pmCHS  Charleston-ONT Ontario
13h 48m2 stops Newark Denver Intl
United Airlines Logo
5:00 am - 3:16 pmONT  Ontario-CHS Charleston
7h 16m1 stop Denver Intl
$414United Airlines
Thu, Dec 24 - Tue, Jan 12
Delta Logo
6:00 am - 10:04 amCHS  Charleston-ONT Ontario
7h 04m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:07 pm - 12:02 amONT  Ontario-CHS Charleston
7h 55m1 stop Atlanta Hartsfield-Jackson
$414Delta
Sat, Dec 5 - Sat, Dec 12
United Airlines Logo
6:00 am - 12:34 pmCHS  Charleston-ONT Ontario
9h 34m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
7:00 am - 11:59 pmONT  Ontario-CHS Charleston
13h 59m2 stops Chicago O'Hare Intl Newark
$419United Airlines
Mon, Dec 7 - Fri, Dec 11
American Airlines Logo
3:28 pm - 10:07 pmCHS  Charleston-ONT Ontario
9h 39m1 stop Charlotte Douglas
American Airlines Logo
11:59 pm - 12:30 pmONT  Ontario-CHS Charleston
9h 31m1 stop Dallas/Fort Worth
$464American Airlines
Sat, Dec 12 - Sat, Dec 19
Southwest Logo
6:40 am - 3:00 pmCHS  Charleston-ONT Ontario
11h 20m1 stop Nashville Intl
Southwest Logo
2:40 pm - 11:50 pmONT  Ontario-CHS Charleston
6h 10m1 stop Houston Hobby
$469Southwest
Booking Insights

Price, demand and travel trends for Charleston to Ontario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Charleston to Ontario?

Round-trip flights from Charleston to Ontario typically range from $397 to $672. The lowest price found in the past 5 days was $397, on American Airlines.

What's the cheapest day of the week to fly from Charleston to Ontario?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Charleston to Ontario. It’s 28% cheaper than the average day, while Monday is the most expensive, with prices 80% higher.

What’s the cheapest month to fly from Charleston to Ontario?

•February is the cheapest month to fly from Charleston to Ontario at $268 round-trip.
•January ($1,057) and November ($672) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 294% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Key details for Charleston to Ontario flights

Low season

December

Cheapest flight

$179
Beat the crowds with an average 35% drop in travelers.
The most popular month to fly with an average 53% increase in travelers.
One-way flight from Charleston to Ontario

When to book flights from Charleston to Ontario

Are your dates flexible? Find out the best times to travel from Charleston to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Charleston to Ontario flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Charleston to Ontario?

    Only Economy Class is available on flights from Charleston to Ontario.

  • How long is a flight from Charleston to Ontario?

    A nonstop flight from Charleston to Ontario takes about 00m, covering 2,152 miles.

  • Do I need a passport to fly from Charleston to Ontario?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Charleston to Ontario flight?

    Round-trip flights from Charleston to Ontario range from $397 to $672, with an average of $540 over the past 12 months. Anything below $397 counts as a good deal.

  • Have flight prices from Charleston to Ontario changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $404 to $2,275. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from Charleston to Ontario looking right now?

    One-way fares from Charleston to Ontario are currently lower than usual. Average one-way flight prices are about $233, which is 17% below the typical average for this route.

  • What car rental options are available at Ontario Airport (ONT)?

    Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates averaging $60 for economy cars. Top options include:

    • Fox
    • Europcar
    • Thrifty
    • Alamo
    • Dollar

  • Which airports can I use when flying from Charleston to Ontario?

    Flights from Charleston to Ontario usually depart from Charleston (CHS) and arrive at Ontario (ONT).

  • Which airports do connecting flights from Charleston to Ontario pass through?

    One-stop flights from Charleston to Ontario most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 45% of one-stop connections
    • Dallas/Fort Worth (DFW) - 37% of one-stop connections
    • Nashville Intl (BNA) - 10% of one-stop connections
    • Houston Hobby (HOU) - 4% of one-stop connections

  • Can I save money by using flexible dates for flights from Charleston to Ontario?

    Yes. Flexible dates can save you up to 60% on flights from Charleston to Ontario. Wednesday is the cheapest departure day at $394 round-trip on average, while Monday is the most expensive at $977, a difference of $583.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Charleston to Ontario?

    Flying via Houston Hobby (HOU) gives the shortest average 1-stop total travel time at 6h 24m, compared with 6h 39m via Nashville Intl (BNA) and 7h 13m via Denver Intl (DEN).

  • What is the time difference between Charleston and Ontario?

    Ontario is 3 hours behind Charleston (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Ontario?

    Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

Your guide to booking Charleston to Ontario flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Monday. On this route, Wednesday flights average $394, about $583 less than Monday fares (60% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Charleston to Ontario trip for February. Fares historically average $268 round-trip in that month - typically $789 less than the most expensive month, which is January (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.

    • Azure Hotel & Suites, Trademark Collection by Wyndham
    • Ontario Airport Inn
    • Holiday Inn Ontario Airport By IHG

More options for your flight from Charleston to Ontario

Complete your trip to Ontario with a hotel stay or car rental