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Home / Philadelphia — Ontario

Cheap flights Philadelphia — Ontario

Philadelphia (PHL, US) Ontario (ONT, US)
from $160 3 792 km ~4h 58m 4 flights found 1 airlines cheapest on Thursday
Reverse route
How many travellers?
Adults
12+ years
1
Children
2–11 years
0
Infants
under 2
0
Choose your departure date
Cheapest: $160 on 26.11.2026
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 4 of 90 days. Prices update as more travellers search. Click any date to search live.
Depart
—
Return
—
Cheapest flights found
26 Nov 2026, Thu
Frontier Airlines F9 1601
05:55
PHL Philadelphia International Airport
12:27
ONT Ontario International Airport
6h 32m 1 stop
Farera
$160
View this ticket
26 Nov 2026, Thu
Frontier Airlines F9 1601
05:55
PHL Philadelphia International Airport
12:27
ONT Ontario International Airport
6h 32m 1 stop
Kiwi.com
$177
View this ticket
29 Dec 2026, Tue
Frontier Airlines F9 2809
03:52
PHL Philadelphia International Airport
10:50
ONT Ontario International Airport
6h 58m 1 stop
Farera
$240
View this ticket
13 Nov 2026, Fri
Frontier Airlines F9 2111
05:09
PHL Philadelphia International Airport
13:04
ONT Ontario International Airport
7h 55m 2 stops
Flightnetwork
$277
View this ticket
Route characteristics
Distance
3 792 km
Flight time
4h 58m
Time difference
-3h
Minimum price
from $160 (26.11.2026)
Average price
$214
Maximum price
$277
Cheapest day
Thursday
Departure airports (1)
PHL Philadelphia International Airport
Arrival airports (1)
ONT Ontario International Airport
Airlines (1)
F9 Frontier Airlines
Agencies (3)
Farera Kiwi.com Flightnetwork
Prices by day of week
Tuesday
$240
avg $240
Thursday
$160
avg $169
Cheapest
Friday
$277
avg $277
Price trend by month
November 2026
from $160
avg $205
3 flights
December 2026
from $240
avg $240
1 flights
Airlines — cheapest prices 1
Frontier Airlines
Frontier Airlines
Low-cost 4 flights · 3 days
$160
Where to buy tickets 3
Farera
2 tickets · 2 days
from $160
Kiwi.com
1 tickets · 1 days
from $177
Flightnetwork
1 tickets · 1 days
from $277
Airports

From — Philadelphia (1)

  • PHL Philadelphia International Airport

To — Ontario (1)

  • ONT Ontario International Airport
Other destinations from Philadelphia
Dallas
US · Hub
Miami
US · Hub
Seattle
US
Atlanta
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Cincinnati
US
Memphis
US
Minneapolis
US · Hub
Salt Lake City
US
Cancun
MX
Denver
US · Hub
Punta Cana
DO
Frankfurt
DE · Hub
Frequently asked questions about the route Philadelphia — Ontario
How long is the flight from Philadelphia to Ontario?
Approximate flight time — 4h 58m. This is an average for a direct flight. With connections, the time may be longer.
What is the distance from Philadelphia to Ontario?
The straight-line distance — 3 792 km.
How much do flights from Philadelphia to Ontario cost?
The minimum price over 3 months — from $160 on 26.11.2026.
What is the average ticket price?
The average price — $214. Range: $160 — $277.
What is the time difference between Philadelphia and Ontario?
The difference — -3h.
From which airports does Philadelphia operate flights?
From Philadelphia: PHL (Philadelphia 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: Frontier Airlines.
Which day of the week is cheapest?
The cheapest day of the week — Thursday.
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 Philadelphia — Ontario

Flights Philadelphia — Ontario is a popular route. The straight-line distance is 3 792 km. Flight time 4h 58m. Time difference -3h.

From Philadelphia (PHL) flights depart from 1 airport: PHL. To Ontario (ONT) — 1 arrival airport: ONT.

1 airline operate on this route: Frontier Airlines.

The minimum price for the next 3 months — from $160 (26.11.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $214, ranging from $160 to $277. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Thursday.

Other destinations in United States from Philadelphia
Dallas
US
Miami
US
Seattle
US
Atlanta
US
Cincinnati
US
Memphis
US
Minneapolis
US
Salt Lake City
US

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