Cheap Flights from Ontario, CA to Philadelphia, PA from $73

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On Cheapflightsplus.com you will find 114 connecting flights from Ontario to Philadelphia. You can compare airfare deals from 3 airlines and multiple travel sites from $73, book and save on cheap plane tickets and last minute offers. Also check out ONT-PHL flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Ontario to Philadelphia Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $73 (one-way), $125 (round-trip).

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Best Flights from Ontario to Philadelphia Today

Take a look at the list of non stop flights and flights with layovers from Ontario to Philadelphia with the lowest price of $73. Take a look at the list of flights with layovers from Ontario to Philadelphia from $73. There’re no direct flights. The fastest connecting flight – 6h 37m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $73 Find flight	14:18 Ontario Ontario Int.	05:31+1 день Philadelphia Philadelphia Int.	12h 13m layover 6h 12m - Denver	Frontier Airlines	F91262 F93340
from $96 Find flight	20:27 Ontario Ontario Int.	17:48+1 день Philadelphia Philadelphia Int.	18h 21m layover 12h 7m - Denver	Frontier Airlines	F92908 F93266
from $165 Find flight	06:45 Ontario Ontario Int.	20:41 Philadelphia Philadelphia Int.	10h 56m layover 5h 9m - Denver	Frontier Airlines	F91500 F93266
from $197 Find flight	20:35 Ontario Ontario Int.	06:49+1 день Philadelphia Philadelphia Int.	7h 14m layover 0h 52m - Las Vegas	Frontier Airlines	F94206 F91602
from $203 Find flight	17:30 Ontario Ontario Int.	06:49+1 день Philadelphia Philadelphia Int.	10h 19m layover 4h 3m - Las Vegas	Frontier Airlines	F92232 F91602
from $203 Find flight	12:28 Ontario Ontario Int.	06:49+1 день Philadelphia Philadelphia Int.	15h 21m layover 8h 57m - Las Vegas	Frontier Airlines	F91358 F91602
from $245 Find flight	06:00 Ontario Ontario Int.	17:50 Philadelphia Philadelphia Int.	8h 50m layover 0h 51m - Seattle	Alaska Airlines	AS1091 AS442
from $283 Find flight	13:45 Ontario Ontario Int.	23:24 Philadelphia Philadelphia Int.	6h 39m layover 0h 46m - Denver	United Airlines	UA2278 UA415
from $283 Find flight	05:10 Ontario Ontario Int.	15:44 Philadelphia Philadelphia Int.	7h 34m layover 1h 41m - Denver	United Airlines	UA2317 UA1575
from $283 Find flight	06:00 Ontario Ontario Int.	16:36 Philadelphia Philadelphia Int.	7h 36m layover 1h 2m - Houston	United Airlines	UA2360 UA6177
from $283 Find flight	06:15 Ontario Ontario Int.	17:20 Philadelphia Philadelphia Int.	8h 5m layover 1h 4m - San Francisco	United Airlines	UA277 UA706
from $292 Find flight	16:20 Ontario Ontario Int.	17:25+1 день Philadelphia Philadelphia Int.	22h 5m layover 14h 5m - Seattle	Alaska Airlines	AS1119 AS442
from $304 Find flight	06:10 Ontario Ontario Int.	16:39 Philadelphia Philadelphia Int.	7h 29m layover 1h 15m - Houston	United Airlines	UA722 UA1720
from $314 Find flight	10:48 Ontario Ontario Int.	17:50+1 день Philadelphia Philadelphia Int.	28h 2m layover 20h 3m - Seattle	Alaska Airlines	AS1165 AS442
from $270 Find flight	13:55 Ontario Ontario Int.	05:26+1 день Philadelphia Philadelphia Int.	12h 31m layover 3h 14m - San Francisco 1h 38m - Denver	United Airlines	UA5920 UA373 UA1609
from $270 Find flight	18:28 Ontario Ontario Int.	10:29+1 день Philadelphia Philadelphia Int.	13h 1m layover 2h 43m - San Francisco 2h 25m - Chicago	United Airlines	UA5429 UA1494 UA669

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on March 13, 2025

Flight Schedule Ontario (California) to Philadelphia (Pennsylvania)

Full flight schedule will help you in detecting at what time planes fly from Ontario to Philadelphia. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.

Departure	Flight Details	Flight Duration	Price
05:05 — 15:41	05:05 — 08:25 UA2357 United Airlines Ontario — Denver 1h 45m stop 10:10 — 15:41 UA1575 United Airlines Denver — Philadelphia	7h 36m including layover	Find flight from$316
05:10 — 15:44	05:10 — 08:29 UA2317 United Airlines Ontario — Denver 1h 41m stop 10:10 — 15:44 UA1575 United Airlines Denver — Philadelphia	7h 34m including layover	Find flight from$283
06:30 — 04:43 +1 day	06:30 — 09:54 F91500 Frontier Airlines Ontario — Denver 13h 18m stop 23:59 — 05:30 F93340 Frontier Airlines Denver — Philadelphia	19h 13m including layover	Find flight from$73
06:45 — 20:41	06:45 — 10:10 F91500 Frontier Airlines Ontario — Denver 5h 9m stop 15:19 — 20:41 F93266 Frontier Airlines Denver — Philadelphia	10h 56m including layover	Find flight from$165
10:48 — 17:50 +1 day	10:48 — 13:41 AS1165 Alaska Airlines Ontario — Seattle 20h 3m stop 09:44 — 17:50 AS442 Alaska Airlines Seattle — Philadelphia	28h 2m including layover	Find flight from$314
10:48 — 05:45 +1 day	10:48 — 13:41 AS1165 Alaska Airlines Ontario — Seattle 7h 59m stop 21:40 — 05:45 AS371 Alaska Airlines Seattle — Philadelphia	15h 57m including layover	Find flight from$373
11:29 — 05:41 +1 day	11:29 — 14:18 AS1255 Alaska Airlines Ontario — Seattle 7h 26m stop 21:44 — 05:41 AS371 Alaska Airlines Seattle — Philadelphia	15h 12m including layover	Find flight from$723
11:57 — 17:25 +1 day	10:00 — 12:49 AS1255 Alaska Airlines Ontario — Seattle 18h 31m stop 09:44 — 17:50 AS442 Alaska Airlines Seattle — Philadelphia	26h 28m including layover	Find flight from$337
12:28 — 06:49 +1 day	12:28 — 13:49 F91358 Frontier Airlines Ontario — Las Vegas 8h 57m stop 22:46 — 06:49 F91602 Frontier Airlines Las Vegas — Philadelphia	15h 21m including layover	Find flight from$203
13:45 — 23:24	13:45 — 17:04 UA2278 United Airlines Ontario — Denver 46m stop 17:50 — 23:24 UA415 United Airlines Denver — Philadelphia	6h 39m including layover	Find flight from$283
14:18 — 05:31 +1 day	10:55 — 14:18 F91262 Frontier Airlines Ontario — Denver 6h 12m stop 23:59 — 05:30 F93340 Frontier Airlines Denver — Philadelphia	12h 13m including layover	Find flight from$73
14:22 — 05:30 +1 day	14:19 — 17:08 AS1119 Alaska Airlines Ontario — Seattle 4h 22m stop 21:44 — 05:41 AS371 Alaska Airlines Seattle — Philadelphia	12h 8m including layover	Find flight from$606
15:15 — 06:57 +1 day	15:15 — 16:48 UA5645 United Airlines Ontario — San Francisco 5h 47m stop 22:35 — 06:57 UA1259 United Airlines San Francisco — Philadelphia	12h 42m including layover	Find flight from$571
15:15 — 17:21 +1 day	15:15 — 16:48 UA5645 United Airlines Ontario — San Francisco 16h 12m stop 09:00 — 17:21 UA706 United Airlines San Francisco — Philadelphia	23h 6m including layover	Find flight from$636
16:15 — 05:41 +1 day	16:15 — 19:00 AS1099 Alaska Airlines Ontario — Seattle 2h 44m stop 21:44 — 05:41 AS371 Alaska Airlines Seattle — Philadelphia	10h 26m including layover	Find flight from$769
16:20 — 17:25 +1 day	13:53 — 16:46 AS1119 Alaska Airlines Ontario — Seattle 14h 5m stop 09:44 — 17:50 AS442 Alaska Airlines Seattle — Philadelphia	22h 5m including layover	Find flight from$292
17:30 — 06:49 +1 day	17:30 — 18:43 F92232 Frontier Airlines Ontario — Las Vegas 4h 3m stop 22:46 — 06:49 F91602 Frontier Airlines Las Vegas — Philadelphia	10h 19m including layover	Find flight from$203
18:13 — 05:30 +1 day	18:13 — 21:35 F92908 Frontier Airlines Ontario — Denver 2h 24m stop 23:59 — 05:30 F93340 Frontier Airlines Denver — Philadelphia	8h 17m including layover	Find flight from$287
19:14 — 17:25 +1 day	18:30 — 21:15 AS1399 Alaska Airlines Ontario — Seattle 11h 15m stop 09:44 — 17:50 AS442 Alaska Airlines Seattle — Philadelphia	19h 11m including layover	Find flight from$382
20:27 — 17:48 +1 day	20:27 — 23:59 F92908 Frontier Airlines Ontario — Denver 12h 7m stop 12:06 — 17:48 F93266 Frontier Airlines Denver — Philadelphia	18h 21m including layover	Find flight from$96
20:35 — 06:49 +1 day	20:35 — 21:54 F94206 Frontier Airlines Ontario — Las Vegas 52m stop 22:46 — 06:49 F91602 Frontier Airlines Las Vegas — Philadelphia	7h 14m including layover	Find flight from$197
13:55 — 05:26 +1 day	13:55 — 15:26 UA5920 United Airlines Ontario — San Francisco 3h 14m stop 18:40 — 22:17 UA373 United Airlines San Francisco — Denver 1h 38m stop 23:55 — 05:26 UA1609 United Airlines Denver — Philadelphia	12h 31m including layover	Find flight from$270
18:28 — 10:29 +1 day	18:28 — 20:01 UA5429 United Airlines Ontario — San Francisco 2h 43m stop 22:44 — 05:00 UA1494 United Airlines San Francisco — Chicago 2h 25m stop 07:25 — 10:29 UA669 United Airlines Chicago — Philadelphia	13h 1m including layover	Find flight from$270

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on March 13, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Ontario to Philadelphia depends on and how to choose the most interesting flight option for you.

Distance between Ontario and Philadelphia is 3783 miles. Time difference between the cities is 3h. Airplanes depart 05:05 to 20:59 from 2 Ontario airports and arrive 05:05 to 20:59 to 4 Philadelphia airports. Average flight time is 15h 24m.

The fastest flight 6h 37m
Average flight time 15h 24m
The earliest flight 05:05
The latest flight 20:59
Distance 2351 ml

The cheapest months to travel to Philadelphia are november (from 73 $), february (from 96 $), december (from 165 $).

The most expensive months are january (from 283 $), december (from 165 $), february (from 96 $).

What is the lowest airfare Ontario to Philadelphia?

The cheapest plane ticket found by our users is $73. This airfare is for economy class on one-way F91262 flight by Frontier Airlines for November 24, 2024 which leaves Ontario Int. in Ontario at 14:18 am and arrives at Philadelphia Philadelphia Int. at 05:31.

Economy class

$73

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Business class

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First class

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Popular Airlines on the Route

The flight Ontario — Philadelphia is served by 3 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by Alaska Airlines - 60 departures per week at the price of from $ 245 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 1178.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 114 flights with layovers on the route. The fastest connecting flight is UA1942 by United Airlines takes 6h 37m and the cheapest is F91262 by Frontier Airlines for $73.

AS - Alaska Airlines

from $245

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F9 - Frontier Airlines

from $73

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UA - United Airlines

from $270

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Airports

You can fly from Ontario to Philadelphia from 2 airports (Ontario Int., International Heliport).

Ontario airports

Ontario Int.-ONT

from $73
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International Heliport-JIO

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Philadelphia airports

Philadelphia Int.-PHL

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North Philadelphia-PNE

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Mustin Alf-MUV

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Philadelphia Sea Plane Base-PSQ

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Airplanes

There are flights to Philadelphia from Ontario by 3 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Ontario

You may also consider searching for discounted plane tickets to some other popular places from Ontario within United States.

Ontario — Phoenix

from $56

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Ontario — Denver

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Ontario — Austin

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Ontario — Miami

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Ontario — Las Vegas

from $63

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Ontario — Seattle

from $65

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Ontario — Boise

from $70

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Ontario — Chicago

from $78

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Ontario — Philadelphia

from $62

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Top International Destinations from Ontario

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Ontario — London

from $62

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Ontario — San Jose

from $61

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Ontario — Guadalajara

from $70

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Ontario — Cancun

from $74

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How to book a plane ticket yourself?

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