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

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

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

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

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

One-stop flights from Ontario to Charleston most commonly connect through: • Atlanta Hartsfield-Jackson (ATL) - 51% of one-stop connections • Dallas/Fort Worth (DFW) - 35% of one-stop connections • Denver Intl (DEN) - 7% of one-stop connections • Chicago Midway (MDW) - 4% of one-stop connections

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

Yes. Flexible dates can save you up to 62% on flights from Ontario to Charleston. Saturday is the cheapest departure day at $386 round-trip on average, while Sunday is the most expensive at $995, a difference of $609. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

How long is a flight from Ontario to Charleston?

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

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

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.

Have flight prices from Ontario to Charleston 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 $409 to $3,455. That means the highest observed fare was about 8x higher than the lowest one.

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

One-way fares from Ontario to Charleston are currently lower than usual. Average one-way flight prices are about $213, which is 29% below the typical average for this route.

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

Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 7h 20m, compared with 7h 25m via Denver Intl (DEN) and 7h 28m via Houston George Bush Intcntl (IAH).

What is the time difference between Ontario and Charleston?

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

What car rental options are available at Charleston Airport (CHS)?

Charleston Airport (CHS) hosts 5 major car rental companies, with daily rates averaging $78 for economy cars. Top options include: • Budget • Alamo • Economy Rent a Car • Avis • Thrifty

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

Round-trip flights from Ontario to Charleston range from $386 to $547, with an average of $446 over the past 12 months. Anything below $386 counts as a good deal.

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

Round-trip flights from Ontario to Charleston typically range from $386 to $547. The lowest price found in the past 5 days was $409, on American Airlines.

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

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Ontario to Charleston. It’s 14% cheaper than the average day, while Sunday is the most expensive, with prices 123% higher.

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

•September is the cheapest month to fly from Ontario to Charleston at $326 round-trip. •November ($588) and June ($547) are the most expensive months. •The price difference between flying in the cheapest and most expensive months is 80% on average. This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Which airline is the cheapest to fly from Ontario to Charleston?

American Airlines ($409) and United Airlines ($409) are the cheapest airlines to fly round-trip from Ontario to Charleston according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from Ontario to Charleston?

Atlanta Hartsfield-Jackson (ATL) is the most popular layover for the Ontario to Charleston route. Over the past 3 months, 51% of KAYAK users found 1-stop round-trips connecting via ATL.

What is the cheapest layover airport when flying from Ontario to Charleston?

Flights via Charlotte Douglas (CLT) offer the most affordable fares, with an average round-trip price of $363. Based on KAYAK data over the past 3 months.

When flying from Ontario to Charleston which airport offers the shortest layover?

Denver Intl (DEN) had the shortest average connection time for Ontario to Charleston layovers at 4h 15m over the past 3 months.

$142 CHEAP FLIGHTS from Ontario to Charleston (ONT - CHS)

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.

Cheapest round-trip

$409

Typical prices: $386-$547

American Airlines

Sat 1/6Tue 1/9

ONT - CHS • 1 stop

Cheapest one-way

$142

Typical prices: $208-$548

Multiple Airlines

Sun 12/16

ONT - CHS • 2 stops

Nonstop flights

Not available

There are currently no direct flights between Ontario and Charleston. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

September

Cheapest • 27% price drop

May

Most popular

Good to know

Top layover airports

Charlotte Douglas (CLT)

Cheapest • Avg $363 (round-trip)

Atlanta Hartsfield-Jackson (ATL)

Shortest trip • 7h 20m (one-way)

Insights

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We hope you love your trip to Charleston!

Flight Deals

Cheap Flights from Ontario to Charleston (ONT-CHS)

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from Ontario to Charleston

Wed, Jan 6 - Sat, Jan 9

6:00 am - 3:55 pmONT Ontario-CHS Charleston

6h 55m1 stop Dallas/Fort Worth

7:00 am - 1:28 pmCHS Charleston-ONT Ontario

9h 28m1 stop Dallas/Fort Worth

$409American Airlines

Wed, Feb 17 - Wed, Feb 24

10:34 am - 10:59 pmONT Ontario-CHS Charleston

9h 25m1 stop Dallas/Fort Worth

2:57 pm - 10:06 pmCHS Charleston-ONT Ontario

10h 09m1 stop Charlotte Douglas

$409American Airlines

Tue, Dec 8 - Wed, Dec 16

5:45 am - 4:18 pmONT Ontario-CHS Charleston

7h 33m1 stop Houston George Bush Intcntl

4:18 pm - 9:11 pmCHS Charleston-ONT Ontario

7h 53m1 stop Denver Intl

$409United Airlines

Wed, Dec 9 - Wed, Dec 16

5:00 am - 3:12 pmONT Ontario-CHS Charleston

7h 12m1 stop Denver Intl

5:13 pm - 9:59 pmCHS Charleston-ONT Ontario

7h 46m1 stop Houston George Bush Intcntl

$409United Airlines

Tue, Feb 2 - Thu, Feb 11

7:40 am - 8:05 pmONT Ontario-CHS Charleston

9h 25m2 stops Phoenix Sky Harbor Intl Baltimore/Washington

7:00 pm - 11:55 pmCHS Charleston-ONT Ontario

7h 55m1 stop Chicago Midway

$434Southwest

Fri, Dec 4 - Tue, Dec 8

12:20 pm - 10:02 pmONT Ontario-CHS Charleston

6h 42m1 stop Atlanta Hartsfield-Jackson

6:19 am - 11:07 amCHS Charleston-ONT Ontario

7h 48m1 stop Atlanta Hartsfield-Jackson

$444Delta

Fri, Dec 4 - Tue, Dec 8

8:40 am - 9:40 pmONT Ontario-CHS Charleston

10h 00m2 stops Phoenix Sky Harbor Intl Dallas Love Field

6:35 am - 12:10 pmCHS Charleston-ONT Ontario

8h 35m2 stops Nashville Intl Phoenix Sky Harbor Intl

$454Southwest

Fri, Dec 11 - Mon, Dec 14

5:01 pm - 5:17 pmONT Ontario-CHS Charleston

21h 16m1 stop Seattle/Tacoma Intl

6:20 pm - 11:13 amCHS Charleston-ONT Ontario

19h 53m1 stop Seattle/Tacoma Intl

$553Alaska Airlines

Thu, Dec 3 - Sat, Dec 5

11:08 pm - 10:15 amONT Ontario-CHS Charleston

8h 07m1 stop Atlanta Hartsfield-Jackson

6:00 am - 11:07 amCHS Charleston-ONT Ontario

8h 07m1 stop Atlanta Hartsfield-Jackson

$558Delta

Wed, Jan 27 - Fri, Jan 29

11:34 am - 5:19 pmONT Ontario-CHS Charleston

26h 45m1 stop Seattle/Tacoma Intl

6:22 pm - 10:43 pmCHS Charleston-ONT Ontario

31h 21m1 stop Seattle/Tacoma Intl

$645Alaska Airlines

Recent last minute flight deals from Ontario to Charleston

Fri, Nov 20 - Tue, Dec 1

6:00 am - 4:19 pmONT Ontario-CHS Charleston

7h 19m1 stop Houston George Bush Intcntl

4:18 pm - 9:11 pmCHS Charleston-ONT Ontario

7h 53m1 stop Denver Intl

$922United Airlines

Wed, Nov 18 - Wed, Nov 18

5:00 am - 3:06 pmONT Ontario-CHS Charleston

7h 06m1 stop Denver Intl

7:00 pm - 6:47 pmCHS Charleston-ONT Ontario

26h 47m1 stop Chicago O'Hare Intl

$1,194United Airlines

Mon, Nov 16 - Mon, Nov 23

6:00 am - 4:55 pmONT Ontario-CHS Charleston

31h 55m1 stop Seattle/Tacoma Intl

6:23 pm - 8:03 pmCHS Charleston-ONT Ontario

28h 40m1 stop Seattle/Tacoma Intl

$1,287Alaska Airlines

Thu, Nov 19 - Tue, Nov 24

7:13 pm - 5:20 pmONT Ontario-CHS Charleston

19h 07m1 stop Seattle/Tacoma Intl

6:23 pm - 9:59 amCHS Charleston-ONT Ontario

18h 36m2 stops Seattle/Tacoma Intl Portland

$1,297Alaska Airlines

Thu, Nov 19 - Sat, Nov 21

12:02 pm - 5:20 pmONT Ontario-CHS Charleston

26h 18m1 stop Seattle/Tacoma Intl

6:23 pm - 9:59 amCHS Charleston-ONT Ontario

18h 36m2 stops Seattle/Tacoma Intl Portland

$1,299Alaska Airlines

Sun, Nov 15 - Wed, Nov 18

6:00 am - 4:55 pmONT Ontario-CHS Charleston

31h 55m1 stop Seattle/Tacoma Intl

5:58 pm - 3:13 pmCHS Charleston-ONT Ontario

24h 15m1 stop Seattle/Tacoma Intl

$1,466Alaska Airlines

Fri, Nov 20 - Tue, Nov 24

7:00 am - 6:06 pmONT Ontario-CHS Charleston

8h 06m1 stop Chicago O'Hare Intl

5:00 pm - 9:40 pmCHS Charleston-ONT Ontario

7h 40m1 stop Houston George Bush Intcntl

$1,937United Airlines

Fri, Nov 20 - Tue, Nov 24

6:00 am - 12:19 amONT Ontario-CHS Charleston

15h 19m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

2:04 pm - 11:31 pmCHS Charleston-ONT Ontario

12h 27m2 stops Washington, D.C. Reagan-National Seattle/Tacoma Intl

$2,233Alaska Airlines

Fri, Nov 20 - Fri, Nov 27

7:00 am - 6:06 pmONT Ontario-CHS Charleston

8h 06m1 stop Chicago O'Hare Intl

5:00 pm - 9:50 pmCHS Charleston-ONT Ontario

7h 50m1 stop Houston George Bush Intcntl

$2,283United Airlines

Fri, Nov 20 - Sun, Nov 22

5:00 am - 3:06 pmONT Ontario-CHS Charleston

7h 06m1 stop Denver Intl

4:15 pm - 8:51 pmCHS Charleston-ONT Ontario

7h 36m1 stop Denver Intl

$2,639United Airlines

Booking Insights

Price, demand and travel trends for Ontario to Charleston flights

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

Prices

Airlines

Layovers

How much is a round-trip flight from Ontario to Charleston? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Ontario to Charleston departing in january.
What's the cheapest day of the week to fly from Ontario to Charleston?: Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Ontario to Charleston. It’s 14% cheaper than the average day, while Sunday is the most expensive, with prices 123% higher.
What’s the cheapest month to fly from Ontario to Charleston? KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from Ontario to Charleston, removes the top 0.1% to account for outliers and then takes the median of all values for each month.: •September is the cheapest month to fly from Ontario to Charleston at $326 round-trip.
•November ($588) and June ($547) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 80% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Low season	July
High season	May
Cheapest flight	$142

Beat the crowds with an average 37% drop in travelers.

The most popular month to fly with an average 49% increase in travelers.

One-way flight from Ontario to Charleston

When to book flights from Ontario to Charleston

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

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Ontario to Charleston?
Only Economy Class is available on flights from Ontario to Charleston.
How long is a flight from Ontario to Charleston?
A nonstop flight from Ontario to Charleston takes about 00m, covering 2,152 miles.
Do I need a passport to fly from Ontario to Charleston?
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 Ontario to Charleston flight?
Round-trip flights from Ontario to Charleston range from $386 to $547, with an average of $446 over the past 12 months. Anything below $386 counts as a good deal.
Have flight prices from Ontario to Charleston 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 $409 to $3,455. That means the highest observed fare was about 8x higher than the lowest one.
How are flight prices from Ontario to Charleston looking right now?
One-way fares from Ontario to Charleston are currently lower than usual. Average one-way flight prices are about $213, which is 29% below the typical average for this route.
What car rental options are available at Charleston Airport (CHS)?
Charleston Airport (CHS) hosts 5 major car rental companies, with daily rates averaging $78 for economy cars. Top options include:

• Budget
• Alamo
• Economy Rent a Car
• Avis
• Thrifty
Which airports can I use when flying from Ontario to Charleston?
Flights from Ontario to Charleston usually depart from Ontario (ONT) and arrive at Charleston (CHS).
Which airports do connecting flights from Ontario to Charleston pass through?
One-stop flights from Ontario to Charleston most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) - 51% of one-stop connections
• Dallas/Fort Worth (DFW) - 35% of one-stop connections
• Denver Intl (DEN) - 7% of one-stop connections
• Chicago Midway (MDW) - 4% of one-stop connections
Can I save money by using flexible dates for flights from Ontario to Charleston?
Yes. Flexible dates can save you up to 62% on flights from Ontario to Charleston. Saturday is the cheapest departure day at $386 round-trip on average, while Sunday is the most expensive at $995, a difference of $609.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
How much time can I save by choosing a different layover airport from Ontario to Charleston?
Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 7h 20m, compared with 7h 25m via Denver Intl (DEN) and 7h 28m via Houston George Bush Intcntl (IAH).
What is the time difference between Ontario and Charleston?
Charleston is 3 hours ahead of Ontario (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Saturday departure and avoid flying on Sunday. On this route, Saturday flights average $386, about $609 less than Sunday fares (61% savings) based on the last 12 months.
If you can choose when to travel, plan your Ontario to Charleston trip for September. Fares historically average $326 round-trip in that month - typically $262 less than the most expensive month, which is November (based on the last 12 months).

More options for your flight from Ontario to Charleston

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Car rentals in Charleston

Hotels in Charleston

Vacations in Charleston

ONT - CHS

$142 Find Cheap Flights from Ontario to Charleston - Compare and Save

Everything you should know

Cheap Flights from Ontario to Charleston (ONT-CHS)

Recent round-trip flight deals from Ontario to Charleston

Recent one-way flight deals from Ontario to Charleston

Recent last minute flight deals from Ontario to Charleston

Price, demand and travel trends for Ontario to Charleston flights

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

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

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

Which airline is the cheapest to fly from Ontario to Charleston?

What’s the most popular layover airport when flying from Ontario to Charleston?

What is the cheapest layover airport when flying from Ontario to Charleston?

When flying from Ontario to Charleston which airport offers the shortest layover?

Key details for Ontario to Charleston flights

Low season

High season

Cheapest flight

When to book flights from Ontario to Charleston

Your Ontario to Charleston flight questions, answered

Your guide to booking Ontario to Charleston flights

More options for your flight from Ontario to Charleston

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

Information on your arrival and departure airports

Cabin class types available on flights from Ontario to Charleston

Find direct flights to and from Ontario and Charleston

Flights from domestic origins to Charleston

Flights to other popular destinations

Find deals for your return flight