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Cheap flights from Ontario to Philadelphia (ONT - PHL) from $90

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — PHL
Jun 4 — Jun 111
From?
To?
Tue 6/4
Tue 6/11
1 adult, Economy
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The best prices from Ontario to Philadelphia are usually found in September or January, booked 31 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

Cheap flight deals from Ontario to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Philadelphia (PHL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 30, 2024.

Popular in

December

Cheapest in

September

Round-trip from

$227

One-way from

$90
High demand for flights, 36% potential price rise
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Best time to find cheap flights, 21% potential price drop
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From Ontario to Philadelphia
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One-way flight from Ontario to Philadelphia
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What is the cheapest day to fly round-trip from Ontario to Philadelphia?

Monday is generally a great day to depart. Flying on this day could help you save up to 41%.

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

Users have found that booking a flight from Ontario to Philadelphia at least 58 days early can save you up to 29% on average compared to booking a flight this week. If booking 58 days before your flight isn’t an option for you, users have found flights from Ontario to Philadelphia for as little as $382 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $494 for flights departing within the next 3 days.

What is the cheapest month to fly from Ontario to Philadelphia?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, October can be a great choice for travel to Philadelphia. Flights to Philadelphia from Ontario in October are about $411 on average during October, but can be found for as low as $158.

What is the cheapest time of day to fly from ONT to PHL?

Unlike in the morning, when flights are generally more expensive, you can save up to 24% on flights from Ontario to Philadelphia by exploring options for tickets in the afternoon.

Cheap Frontier flights from Ontario to Philadelphia

Explore cheap flight options specifically provided by Frontier for the route between Ontario and Philadelphia. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Take a look at some of the lowest-priced Frontier flights heading from Ontario to Philadelphia. Make sure to check back often as deals are often changing.
Tue 6/42:25 pmONT - PHL
1 stop12h 10mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$153
Thu 6/67:33 pmONT - PHL
1 stop8h 05mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$156
Tue 6/410:42 pmONT - PHL
2 stops15h 57mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$158
Wed 6/512:49 amONT - PHL
1 stop25h 47mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$159
Thu 6/61:03 pmONT - PHL
2 stops25h 41mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$164
Fri 6/710:23 pmONT - PHL
1 stop10h 59mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$171
Sat 8/246:57 amONT - PHL
1 stop7h 36mFrontier
Sat 8/311:03 pmPHL - ONT
1 stop13h 41mFrontier
Deal found 5/29$179
Tue 8/206:57 amONT - PHL
1 stop7h 36mFrontier
Tue 9/38:24 amPHL - ONT
1 stop7h 23mFrontier
Deal found 5/28$180
Mon 6/1012:55 pmONT - PHL
1 stop14h 43mFrontier
Sat 6/158:30 pmPHL - ONT
1 stop30h 29mFrontier
Deal found 5/29$181

Cheap Delta flights from Ontario to Philadelphia

Explore cheap flight options specifically provided by Delta for the route between Ontario and Philadelphia. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Browse through some of the cheapest Delta flights traveling from Ontario to Philadelphia. Make sure to examine the flight information before completing your reservation.
Thu 8/85:00 pmONT - PHL
2 stops12h 39mDelta
Sun 8/186:33 pmPHL - ONT
1 stop8h 26mDelta
Deal found 5/29$285
Tue 6/1110:00 pmONT - PHL
1 stop8h 16mDelta
Tue 6/184:46 pmPHL - ONT
1 stop9h 14mDelta
Deal found 5/30$307
Fri 7/1910:00 pmONT - PHL
1 stop8h 12mDelta
Sat 8/107:22 amPHL - ONT
1 stop7h 53mDelta
Deal found 5/29$309
Mon 7/155:00 pmONT - PHL
1 stop10h 02mDelta
Tue 7/235:30 amPHL - ONT
1 stop7h 43mDelta
Deal found 5/28$319
Sat 6/85:35 amONT - PHL
2 stops13h 10mDelta
Sat 6/156:00 pmPHL - ONT
1 stop8h 42mDelta
Deal found 5/29$443
Fri 6/76:30 pmONT - PHL
2 stops13h 06mDelta
Tue 7/166:00 amPHL - ONT
2 stops9h 15mDelta
Deal found 5/30$464
Tue 6/46:42 pmONT - PHL
2 stops12h 53mDelta
Mon 6/105:30 amPHL - ONT
2 stops9h 47mDelta
Deal found 5/29$548
Thu 6/610:00 pmONT - PHL
2 stops13h 08mDelta
Thu 6/1312:28 pmPHL - ONT
2 stops13h 32mDelta
Deal found 5/30$737

Cheap Ontario to Philadelphia flights in May & June 2024

Find cheap flight options from Ontario to Philadelphia specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on May 30, 2024.
Check out some of the best flight deals from Ontario to Philadelphia in 2024. Check back regularly for other flight deals.
Tue 6/42:25 pmONT - PHL
1 stop12h 10mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$153
Thu 6/67:33 pmONT - PHL
1 stop8h 05mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$156
Tue 6/410:42 pmONT - PHL
2 stops15h 57mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$158
Wed 6/512:49 amONT - PHL
1 stop25h 47mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$159
Sat 6/112:59 amONT - PHL
1 stop25h 35mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$161
Thu 6/61:03 pmONT - PHL
2 stops25h 41mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$164
Fri 6/710:23 pmONT - PHL
1 stop10h 59mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$171
Mon 6/312:59 amONT - PHL
1 stop8h 00mFrontier
Tue 6/115:51 pmPHL - ONT
1 stop9h 08mFrontier
Deal found 5/29$179
Fri 6/712:48 amONT - PHL
1 stop8h 34mFrontier
Tue 6/118:30 pmPHL - ONT
1 stop13h 32mFrontier
Deal found 5/29$180

Ontario to Philadelphia 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Philadelphia in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Check out some of the best flight deals from Ontario to Philadelphia in 2024. Check back regularly for other flight deals.
Tue 6/42:25 pmONT - PHL
1 stop12h 10mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$153
Thu 6/67:33 pmONT - PHL
1 stop8h 05mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$156
Tue 6/410:42 pmONT - PHL
2 stops15h 57mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$158
Wed 6/512:49 amONT - PHL
1 stop25h 47mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$159
Sat 6/112:59 amONT - PHL
1 stop25h 35mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$161
Thu 6/61:03 pmONT - PHL
2 stops25h 41mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$164
Fri 6/710:23 pmONT - PHL
1 stop10h 59mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$171
Mon 6/312:59 amONT - PHL
1 stop8h 00mFrontier
Tue 6/115:51 pmPHL - ONT
1 stop9h 08mFrontier
Deal found 5/29$179
Fri 6/712:48 amONT - PHL
1 stop8h 34mFrontier
Tue 6/118:30 pmPHL - ONT
1 stop13h 32mFrontier
Deal found 5/29$180

Ontario to Philadelphia flights leaving soon

Find last-minute flight options from Ontario to Philadelphia for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Check out these flights departing soon from Ontario to Philadelphia. To prevent any unwanted surprises, users should verify their flight info before booking.
Tue 6/42:25 pmONT - PHL
1 stop12h 10mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$153
Thu 6/67:33 pmONT - PHL
1 stop8h 05mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$156
Tue 6/410:42 pmONT - PHL
2 stops15h 57mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$158
Wed 6/512:49 amONT - PHL
1 stop25h 47mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$159
Thu 6/61:03 pmONT - PHL
2 stops25h 41mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$164
Fri 6/710:23 pmONT - PHL
1 stop10h 59mFrontier
Mon 6/108:20 amPHL - ONT
1 stop7h 50mFrontier
Deal found 5/29$171
Tue 6/412:59 amONT - PHL
1 stop8h 09mFrontier
Tue 6/115:51 pmPHL - ONT
1 stop9h 08mFrontier
Deal found 5/29$179
Fri 6/712:48 amONT - PHL
1 stop8h 34mFrontier
Tue 6/118:30 pmPHL - ONT
1 stop13h 32mFrontier
Deal found 5/29$180
Tue 6/412:59 amONT - PHL
1 stop8h 09mFrontier
Thu 6/68:30 pmPHL - ONT
1 stop12h 53mFrontier
Deal found 5/30$183

One-way flights to Philadelphia from Ontario

Search for one-way flight options from Ontario to Philadelphia. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
Users traveling one-way from Ontario to Philadelphia can select one of these great deals. Users can also find round-trip Ontario to Philadelphia flights by using the search form above.
Tue 6/412:59 amONT - PHL
1 stop8h 09mFrontier
Deal found 5/29$90
Thu 6/67:33 pmONT - PHL
1 stop8h 05mFrontier
Deal found 5/29$93
Mon 6/105:41 pmONT - PHL
1 stop9h 57mFrontier
Deal found 5/29$94
Thu 8/296:57 amONT - PHL
1 stop7h 36mFrontier
Deal found 5/29$95
Tue 6/42:25 pmONT - PHL
1 stop12h 10mFrontier
Deal found 5/29$96
Wed 8/146:57 amONT - PHL
1 stop7h 36mFrontier
Deal found 5/29$98
Mon 8/265:39 pmONT - PHL
1 stop8h 58mFrontier
Deal found 5/29$99
Wed 6/1212:49 amONT - PHL
1 stop25h 47mFrontier
Deal found 5/29$100
Tue 6/1110:31 pmONT - PHL
1 stop28h 11mFrontier
Deal found 5/29$101

Find flights from Ontario to Philadelphia within your budget

Customize your flight search to find flights from Ontario to Philadelphia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$179 - $342

Route

Depart

Return

Price

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

Sat 8/24

1 stop7h 36m

Philadelphia

Sat 8/31

1 stop13h 41m

$179

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

Tue 8/20

1 stop7h 36m

Philadelphia

Tue 9/3

1 stop7h 23m

$180

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

Mon 6/10

1 stop14h 43m

Philadelphia

Sat 6/15

1 stop30h 29m

$181

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

Tue 6/11

1 stop25h 34m

Philadelphia

Sat 6/15

1 stop30h 29m

$183

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

Mon 8/19

1 stop25h 48m

Philadelphia

Wed 9/4

1 stop7h 58m

$185

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

Tue 9/3

1 stop13h 05m

Philadelphia

Wed 9/4

1 stop7h 58m

$186

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

Tue 6/11

2 stops19h 13m

Philadelphia

Sat 6/15

1 stop30h 29m

$188

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

Thu 8/8

2 stops12h 39m

Philadelphia

Sun 8/18

1 stop8h 26m

$285

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

Wed 8/21

1 stop7h 36m

Philadelphia

Tue 9/3

2 stops18h 00m

$342

Flights are sorted by cheapest first

Deals found on 5/29

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

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Philadelphia. Price data was last updated on May 24, 2024.
The best time to book flights from Ontario to Philadelphia is 18 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

What is the cheapest day to fly from Ontario to Philadelphia?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Philadelphia. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to Philadelphia flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Ontario to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Philadelphia by month

Plan your trip to Philadelphia by taking into account the average temperature and rainfall totals by month.

PHL

Temperature

33.8 - 78.8 °F

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Philadelphia. Reviews last updated May 30, 2024.
Read through reviews of airlines operating flights from Ontario to Philadelphia, such as Frontier, Delta and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
5,956 reviews
Check prices

Comfort

8.1

Entertainment

7.8

Boarding

8.3

Overall

8.2

Crew

8.7

Food

7.3

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.2
Very good
5,956 reviews
Southwest
8.2
Very good
5,956 reviews
Check prices

Comfort

8.1

Entertainment

7.8

Boarding

8.3

Overall

8.2

Crew

8.7

Food

7.3

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.1
Very good
9,201 reviews
Southwest
8.2
Very good
5,956 reviews
Check prices

Comfort

8.1

Entertainment

7.8

Boarding

8.3

Overall

8.2

Crew

8.7

Food

7.3

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
10,457 reviews
Southwest
8.2
Very good
5,956 reviews
Check prices

Comfort

8.1

Entertainment

7.8

Boarding

8.3

Overall

8.2

Crew

8.7

Food

7.3

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
10,777 reviews
Southwest
8.2
Very good
5,956 reviews
Check prices

Comfort

8.1

Entertainment

7.8

Boarding

8.3

Overall

8.2

Crew

8.7

Food

7.3

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

American Airlines
7.3
Good
14,284 reviews
Southwest
8.2
Very good
5,956 reviews
Check prices

Comfort

8.1

Entertainment

7.8

Boarding

8.3

Overall

8.2

Crew

8.7

Food

7.3

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

Find useful and relevant information for your journey from Ontario to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 $179, but on average you can expect to pay $192.

  • Are there last-minute flights available from Ontario to Philadelphia for under $200?

    There are currently 20+ open flights from Ontario to Philadelphia within the next 7 days for less than $200.

  • What is the cheapest airline to fly from Ontario to Philadelphia round-trip?

    Cheapflights users have booked flights from Ontario to Philadelphia round-trip from $179. Frontier is 53% cheaper than the average price of flights available within the next 90 days to this destination.

  • What does ONT to PHL mean?

    ONT stands for Ontario Airport, while PHL stands for Philadelphia Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Ontario to Philadelphia that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Philadelphia flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Philadelphia with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Philadelphia flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Ontario to Philadelphia that include hotel bookings?

    Yes. In addition to deals on Ontario to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Philadelphia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Philadelphia.

  • Can I find deals for business class flights from Ontario to Philadelphia?

    Yes. Cheapflights offers flight deals from Ontario to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Ontario to Philadelphia that allow pets onboard?

    Many airlines flying from Ontario to Philadelphia offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Philadelphia?

    Yes, you can often find last-minute deals on Ontario to Philadelphia flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ontario to Philadelphia flight deals updated?

    The Ontario to Philadelphia flight deals you see on this page were last updated on 5/29.

  • What are the most popular airlines that fly from Ontario to Philadelphia?

    Before booking your flight from Ontario to Philadelphia check out the most popular airlines for this route: American Airlines, Delta or Frontier.

  • What is the cheapest month to book a flight from Ontario to Philadelphia?

    Currently, October is the cheapest month in which you can book a flight from Ontario to Philadelphia (average of $227). Flying from Ontario to Philadelphia in July is currently the most expensive (average of $298). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Ontario to Philadelphia
See prices for flight routes from nearby airports that may be better suited for you.

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Top 5 airlines flying from Ontario to Philadelphia

Discover the top 5 airlines that operate flights from Ontario to Philadelphia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 30, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$132Average$261FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$167Average$289FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
American AirlinesCheapest$284Average$445FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$309Average$564FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$321Average$549FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Search flights from Ontario to Philadelphia by cabin class

Find flights from Ontario to Philadelphia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Philadelphia?

Cheapflights helps you search for flights from Ontario to Philadelphia via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Philadelphia?

Cheapflights simply makes it quick and affordable to book flights from Ontario to Philadelphia by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ontario to Philadelphia with no change fees?

Yes! Cheapflights helps users easily find flights from Ontario to Philadelphia with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Philadelphia become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Philadelphia from Ontario today and book when prices fit your budget.

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