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Cheap flights from Ontario to Philadelphia (ONT - PHL)

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The best prices from Ontario to Philadelphia are usually found in August or September, booked 13 days in advance, depart on a Sunday or Tuesday and return on a Tuesday

How to find the cheapest flight from
Ontario (ONT) to Philadelphia (PHL)

ONT - PHL
Price
$232 - $429
PHL
Temperature
44.6 - 87.8 °F
PHL
Rainfall
2.4 - 4.5 inches

Popular in

December

High demand for flights, 29% potential price rise

Cheapest in

August

Best time to find cheap flights, 24% potential price drop

Round-trip from

$232

From Ontario to Philadelphia

One-way from

$98

One-way flight from Ontario to Philadelphia

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Ontario to Philadelphia?

Sunday flights are found to be more expensive to fly from Ontario to Philadelphia. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Philadelphia.

How far in advance should I book a flight from Ontario to Philadelphia?

To save up to 111% on this flight, we recommend booking at least 53 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ontario to Philadelphia from $350 1-2 weeks out and tickets from $499 for flights departing within the next 72 hours.

When is the cheapest time to fly from Ontario to Philadelphia (ONT - PHL)?

When flying from Ontario to Philadelphia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 51% versus a flight in the morning.

Cheap flights from Ontario to Philadelphia in November, December 2020

The best prices found for ONT to PHL flights for November, December
4 Dec - 11 Dec
$103pp
ONT
Ontario
Frontier
 
1 STOP
PHL
Philadelphia
PHL
Philadelphia
Frontier
 
1 STOP
ONT
Ontario
23 Dec - 25 Dec
$177pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
Frontier
 
1 STOP
ONT
Ontario
12 Dec - 5 Jan
$188pp
ONT
Ontario
Multiple Airlines
 
1 STOP
PHL
Philadelphia
PHL
Philadelphia
Delta
 
1 STOP
ONT
Ontario

Ontario to Philadelphia 2021 flight deals

Cheap flights to Philadelphia from Ontario found for next year
4 Dec - 11 Dec
$103pp
ONT
Ontario
Frontier
 
1 STOP
PHL
Philadelphia
PHL
Philadelphia
Frontier
 
1 STOP
ONT
Ontario
23 Dec - 25 Dec
$177pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
PHL
Philadelphia
PHL
Philadelphia
Frontier
 
1 STOP
ONT
Ontario
12 Dec - 5 Jan
$188pp
ONT
Ontario
Multiple Airlines
 
1 STOP
PHL
Philadelphia
PHL
Philadelphia
Delta
 
1 STOP
ONT
Ontario

Last minute flights from Ontario to Philadelphia

Late deals on round-trip flights to Philadelphia from Ontario, departing today and this week
3 Dec - 6 Dec
$398pp
ONT
Ontario
United Airlines
 
1 STOP
PHL
Philadelphia
PHL
Philadelphia
United Airlines
 
1 STOP
ONT
Ontario
29 Nov - 1 Dec
$468pp
ONT
Ontario
United Airlines
 
1 STOP
PHL
Philadelphia
PHL
Philadelphia
United Airlines
 
1 STOP
ONT
Ontario
30 Nov - 2 Dec
$478pp
ONT
Ontario
United Airlines
 
1 STOP
PHL
Philadelphia
PHL
Philadelphia
United Airlines
 
1 STOP
ONT
Ontario

One-way flights to Philadelphia from Ontario

The cheapest one-way flights from Ontario to Philadelphia
2:36 pm - 7:34 pm
Multiple Airlines
2 Stops
25h 58m
ONT - PHL
Multiple Airlines
$98
Kiwi.com
4:29 am - 6:56 am
Frontier
2 Stops
23h 27m
ONT - PHL
Frontier
$124
Gotogate
5:00 am - 10:45 am
Alaska Airlines
2 Stops
26h 45m
ONT - PHL
Alaska Airlines

Related info for your journey

Useful info, stats and facts about Ontario to Philadelphia flights.

Flight FAQs

From Ontario to Philadelphia

Are flight prices decreasing from Ontario to Philadelphia due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Ontario and Philadelphia for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Ontario to Philadelphia to control the spread of COVID-19?

New policies can now be found on Alaska Airlines and Delta to help keep travelers safe while flying. New policies for travelers booking flights from Ontario to Philadelphia include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Ontario to Philadelphia have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, Frontier, and United Airlines flying from Ontario to Philadelphia have implemented new flexible cancellation policies.

Can I find flights from Ontario to Philadelphia for under $200 on Cheapflights?

Yes, there are multiple flights from Ontario to Philadelphia for under $200. The cheapest flight booked recently is on Frontier for just $103, but on average you can expect to pay $320.

Are there nonstop flights from Ontario to Philadelphia for under $100 on Cheapflights?

There are no nonstop flights from Ontario to Philadelphia, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Ontario to Philadelphia for under $400?

There are currently 5+ open flights from Ontario to Philadelphia within the next 7 days for less than $400.

What days are nonstop flights available from Ontario to Philadelphia?

Nonstop flights are available for this route on the following days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

Does it rain more in Ontario or Philadelphia?

When traveling, we recommend packing in preparation to handle common weather conditions. The rainfall in Ontario is typically less than Philadelphia. We can gather that this will continue over the next 4 days.

Is Ontario weather warmer or cooler than Philadelphia?

Temperatures around the 95 °F's can be experienced in July. The weather in Philadelphia is colder than in Ontario. Plan for potential changes in flight availability as peak weather approaches in this location.

How long is the flight from Ontario to Philadelphia?

For as low as $375, American Airlines can have you in Philadelphia from Ontario in 6h 50m. This flight may include one or multiple stops.

What are the cheapest airlines flying from Ontario to Philadelphia round-trip?

According to our current data, Frontier ($103), American Airlines ($298), and United Airlines ($353) offers the cheapest pricing from Ontario to Philadelphia. Frontier is 66% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Ontario to Philadelphia one-way?

The cheapest airlines for a one-way flight from Ontario to Philadelphia are Frontier ($40), Delta ($149), and Alaska Airlines ($160).

Alternative routes for Ontario to Philadelphia

Destination information for Philadelphia

Things to know before you go. Useful info for your trip from Ontario to Philadelphia
Average temperature for November in Philadelphia
59.0 °F
Avg rainfall for November in Philadelphia
2.8 ″

Airports servicing Ontario

Airports servicing Philadelphia

Top 6 airlines from Ontario to Philadelphia

The chart below displays the airlines Cheapflights users traveling from Ontario to Philadelphia choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$113 $281 No cancel fee 62%
Spirit Airlines
$184 $294 No cancel fee 65%
Alaska Airlines
$138 $298 No cancel fee 75%
United Airlines
$130 $362 No cancel fee 69%
Delta
$162 $385 No cancel fee N/A
American Airlines
$167 $469 No cancel fee 71%
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