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Home / Charleston — Ontario

Cheap flights Charleston — Ontario

Charleston (CHS, US) Ontario (ONT, US)
from $210 3 483 km ~4h 36m 2 flights found 1 airlines cheapest on Tuesday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $210 on 15.12.2026
Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.
November 2026
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December 2026
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January 2027
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Prices found for 2 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
15 Dec 2026, Tue
Southwest Airlines WN 1959
19:00
CHS Charleston International Airport
01:15
ONT Ontario International Airport
6h 15m 1 stop
Biletix
$210
View this ticket
21 Nov 2026, Sat
Southwest Airlines WN 1536
13:10
CHS Charleston International Airport
19:25
ONT Ontario International Airport
6h 15m 1 stop
City.Travel
$332
View this ticket
Route characteristics
Distance
3 483 km
Flight time
4h 36m
Time difference
-3h
Minimum price
from $210 (15.12.2026)
Average price
$271
Maximum price
$332
Cheapest day
Tuesday
Departure airports (1)
CHS Charleston International Airport
Arrival airports (1)
ONT Ontario International Airport
Airlines (1)
WN Southwest Airlines
Agencies (2)
Biletix City.Travel
Prices by day of week
Tuesday
$210
avg $210
Cheapest
Saturday
$332
avg $332
Price trend by month
November 2026
from $332
avg $332
1 flights
December 2026
from $210
avg $210
1 flights
Airlines — cheapest prices 1
Southwest Airlines
Southwest Airlines
Low-cost 2 flights · 2 days
$210
Where to buy tickets 2
Biletix
1 tickets · 1 days
from $210
City.Travel
1 tickets · 1 days
from $332
Airports

From — Charleston (1)

  • CHS Charleston International Airport

To — Ontario (1)

  • ONT Ontario International Airport
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Chicago
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Charlotte
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Cincinnati
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Dallas
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Durango
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Dublin
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Frequently asked questions about the route Charleston — Ontario
How long is the flight from Charleston to Ontario?
Approximate flight time — 4h 36m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Charleston to Ontario?
The straight-line distance — 3 483 km.
How much do flights from Charleston to Ontario cost?
The minimum price over 3 months — from $210 on 15.12.2026.
What is the average ticket price?
The average price — $271. Range: $210 — $332.
What is the time difference between Charleston and Ontario?
The difference — -3h.
From which airports does Charleston operate flights?
From Charleston: CHS (Charleston International Airport).
To which airports in Ontario do flights arrive?
To Ontario: ONT (Ontario International Airport).
Which airlines fly this route?
This route is served by 1 airline: Southwest Airlines.
Which day of the week is cheapest?
The cheapest day of the week — Tuesday.
When is the best time to buy tickets?
Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.
How do I book flights?
Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.
About the route Charleston — Ontario

Flights Charleston — Ontario is a popular route. The straight-line distance is 3 483 km. Flight time 4h 36m. Time difference -3h.

From Charleston (CHS) flights depart from 1 airport: CHS. To Ontario (ONT) — 1 arrival airport: ONT.

1 airline operate on this route: Southwest Airlines.

The minimum price for the next 3 months — from $210 (15.12.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $271, ranging from $210 to $332. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Tuesday.

Other destinations in United States from Charleston
Philadelphia
US
Long Beach
US
Morgantown
US
Miami
US
New York
US
Orlando
US
South Bend
US
Washington
US

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