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) - 38% of one-stop connections • Dallas/Fort Worth (DFW) - 34% of one-stop connections • Denver Intl (DEN) - 14% of one-stop connections • Charlotte Douglas (CLT) - 8% 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 59% on flights from Ontario to Charleston. Monday is the cheapest departure day at $436 round-trip on average, while Sunday is the most expensive at $1,056, a difference of $620. 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 long is a flight from Ontario to Charleston?

A nonstop flight from Ontario to Charleston takes 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 $357 to $2,823. 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 $180, which is 39% 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 Denver Intl (DEN) gives the shortest average 1-stop total travel time at 7h 10m, compared with 7h 14m via Atlanta Hartsfield-Jackson (ATL) 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 starting from around $31 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 $390 to $567, with an average of $442 over the past 12 months. Anything below $390 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 $390 to $567. The lowest price found in the past 5 days was $357, 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, Monday is the cheapest day of the week to fly from Ontario to Charleston. It’s 2% cheaper than the average day, while Sunday is the most expensive, with prices 138% 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. •October ($617) and June ($547) are the most expensive months. •The price difference between flying in the cheapest and most expensive months is 89% 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 ($357) and United Airlines ($362) 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. 38% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via ATL.

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

Flights via Nashville Intl (BNA) offer the most affordable fares, with an average round-trip price of $374. 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 04m over the past 3 months.

$171 CHEAP FLIGHTS from Ontario to Charleston (ONT - CHS)

Save 21% 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

$357

Typical prices: $390-$567

American Airlines

Fri 10/19Wed 10/24

ONT - CHS • 1 stop

Cheapest one-way

$171

Typical prices: $199-$528

Multiple Airlines

Tue 10/30

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 • 26% price drop

May

Most popular

Good to know

Top layover airports

Nashville Intl (BNA)

Cheapest • Avg $374 (round-trip)

Denver Intl (DEN)

Shortest trip • 7h 10m (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

Sat, Oct 24 - Sat, Oct 31

10:10 pm - 8:34 amONT Ontario-CHS Charleston

7h 24m1 stop Charlotte Douglas

1:06 pm - 6:44 pmCHS Charleston-ONT Ontario

8h 38m1 stop Dallas/Fort Worth

$357American Airlines

Sat, Nov 7 - Wed, Nov 11

12:42 pm - 10:26 pmONT Ontario-CHS Charleston

6h 44m1 stop Dallas/Fort Worth

7:18 pm - 11:46 pmCHS Charleston-ONT Ontario

7h 28m1 stop Dallas/Fort Worth

$357American Airlines

Sat, Oct 24 - Sat, Oct 31

6:00 am - 9:41 pmONT Ontario-CHS Charleston

12h 41m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

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

7h 36m1 stop Denver Intl

$362United Airlines

Sat, Nov 7 - Wed, Nov 11

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

7h 19m1 stop Houston George Bush Intcntl

8:30 am - 6:01 pmCHS Charleston-ONT Ontario

12h 31m2 stops Chicago O'Hare Intl San Francisco

$362United Airlines

Sat, Nov 7 - Wed, Nov 11

7:00 am - 7:05 pmONT Ontario-CHS Charleston

9h 05m2 stops Denver Intl Nashville Intl

6:35 am - 2:40 pmCHS Charleston-ONT Ontario

11h 05m2 stops Nashville Intl Denver Intl

$367Southwest

Tue, Jan 26 - Fri, Jan 29

7:00 am - 6:54 pmONT Ontario-CHS Charleston

8h 54m1 stop Atlanta Hartsfield-Jackson

6:30 am - 11:27 amCHS Charleston-ONT Ontario

7h 57m1 stop Atlanta Hartsfield-Jackson

$372Delta

Tue, Jan 26 - Fri, Jan 29

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

8h 25m2 stops Phoenix Sky Harbor Intl Nashville Intl

1:25 pm - 9:45 pmCHS Charleston-ONT Ontario

11h 20m2 stops Baltimore/Washington Denver Intl

$382Southwest

Thu, Nov 26 - Thu, Dec 3

7:05 am - 7:13 pmONT Ontario-CHS Charleston

9h 08m1 stop Atlanta Hartsfield-Jackson

4:18 pm - 9:55 pmCHS Charleston-ONT Ontario

8h 37m1 stop Atlanta Hartsfield-Jackson

$398Delta

Sat, Oct 31 - Sat, Nov 7

6:02 am - 5:55 pmONT Ontario-CHS Charleston

8h 53m1 stop Seattle/Tacoma Intl

5:58 pm - 11:18 amCHS Charleston-ONT Ontario

20h 20m1 stop Seattle/Tacoma Intl

$535Alaska Airlines

Sat, Oct 31 - Sat, Nov 7

6:02 am - 5:55 pmONT Ontario-CHS Charleston

8h 53m1 stop Seattle/Tacoma Intl

5:58 pm - 11:18 amCHS Charleston-ONT Ontario

20h 20m1 stop Seattle/Tacoma Intl

$536Alaska Airlines

Recent last minute flight deals from Ontario to Charleston

Sun, Oct 4 - Thu, Oct 8

1:52 pm - 10:27 amONT Ontario-CHS Charleston

17h 35m2 stops San Francisco Chicago O'Hare Intl

4:58 pm - 10:49 pmCHS Charleston-ONT Ontario

8h 51m1 stop Chicago O'Hare Intl

$877United Airlines

Sun, Oct 4 - Thu, Oct 8

10:25 am - 10:48 pmONT Ontario-CHS Charleston

9h 23m1 stop Dallas/Fort Worth

7:08 pm - 11:52 pmCHS Charleston-ONT Ontario

7h 44m1 stop Dallas/Fort Worth

$886American Airlines

Sun, Oct 4 - Thu, Oct 8

10:25 am - 10:48 pmONT Ontario-CHS Charleston

9h 23m1 stop Dallas/Fort Worth

7:08 pm - 11:52 pmCHS Charleston-ONT Ontario

7h 44m1 stop Dallas/Fort Worth

$929American Airlines

Sun, Oct 4 - Thu, Oct 8

11:59 pm - 2:25 pmONT Ontario-CHS Charleston

11h 26m2 stops Dallas/Fort Worth Charlotte Douglas

7:04 pm - 10:59 pmCHS Charleston-ONT Ontario

6h 55m1 stop Charlotte Douglas

$935American Airlines

Fri, Oct 2 - Sun, Oct 4

5:00 am - 3:07 pmONT Ontario-CHS Charleston

7h 07m1 stop Denver Intl

5:05 pm - 9:59 pmCHS Charleston-ONT Ontario

7h 54m1 stop Houston George Bush Intcntl

$1,027United Airlines

Sun, Oct 4 - Wed, Oct 7

5:00 am - 3:07 pmONT Ontario-CHS Charleston

7h 07m1 stop Denver Intl

4:13 pm - 8:58 pmCHS Charleston-ONT Ontario

7h 45m1 stop Denver Intl

$1,027United Airlines

Fri, Oct 2 - Sun, Oct 4

6:10 am - 8:05 pmONT Ontario-CHS Charleston

10h 55m2 stops Oakland Denver Intl

6:25 am - 1:10 pmCHS Charleston-ONT Ontario

9h 45m2 stops Nashville Intl Dallas Love Field

$1,107Southwest

Thu, Oct 1 - Mon, Oct 5

6:02 am - 6:06 pmONT Ontario-CHS Charleston

9h 04m1 stop Seattle/Tacoma Intl

6:59 pm - 10:17 amCHS Charleston-ONT Ontario

18h 18m1 stop Seattle/Tacoma Intl

$1,123Alaska Airlines

Thu, Oct 1 - Fri, Oct 2

6:02 am - 6:06 pmONT Ontario-CHS Charleston

9h 04m1 stop Seattle/Tacoma Intl

7:09 pm - 10:17 amCHS Charleston-ONT Ontario

18h 08m1 stop Seattle/Tacoma Intl

$1,123Alaska Airlines

Fri, Oct 2 - Sat, Oct 3

6:02 am - 6:06 pmONT Ontario-CHS Charleston

9h 04m1 stop Seattle/Tacoma Intl

6:59 pm - 10:17 amCHS Charleston-ONT Ontario

18h 18m1 stop Seattle/Tacoma Intl

$1,164Alaska 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 october.
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, Monday is the cheapest day of the week to fly from Ontario to Charleston. It’s 2% cheaper than the average day, while Sunday is the most expensive, with prices 138% 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.
•October ($617) and June ($547) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 89% 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	$171

Beat the crowds with an average 48% drop in travelers.

The most popular month to fly with an average 24% 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 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 $390 to $567, with an average of $442 over the past 12 months. Anything below $390 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 $357 to $2,823. 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 $180, which is 39% 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 starting from around $31 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) - 38% of one-stop connections
• Dallas/Fort Worth (DFW) - 34% of one-stop connections
• Denver Intl (DEN) - 14% of one-stop connections
• Charlotte Douglas (CLT) - 8% 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 59% on flights from Ontario to Charleston. Monday is the cheapest departure day at $436 round-trip on average, while Sunday is the most expensive at $1,056, a difference of $620.

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 Ontario to Charleston?
Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 7h 10m, compared with 7h 14m via Atlanta Hartsfield-Jackson (ATL) 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 Monday departure and avoid flying on Sunday. On this route, Monday flights average $436, about $620 less than Sunday fares (59% 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 $291 less than the most expensive month, which is October (based on the last 12 months).

More options for your flight from Ontario to Charleston

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

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Vacations in Charleston

ONT - CHS

$171 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