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$62+ Cheap flights from Ontario (ONT) to Pennsylvania

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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PHL
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Ontario to Pennsylvania

Keep the following information in mind while searching for Ontario to Pennsylvania flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$130
(Frontier)

One-way from

$62
(Trip.com)

Popular in

June

Cheapest in

September

Average price

$426
Provider with most accurate pricing for Los Angeles-Philadelphia flight deals.
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From Ontario to Pennsylvania
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One-way flight from Ontario to Pennsylvania
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Highest demand for flights based on searches. 8% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Ontario to Pennsylvania

Cheapest flights from Ontario to Pennsylvania
Explore the most affordable flight options available from Ontario to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Frontier deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/52:43 pmONT - PHL
1 stop12h 21mFrontier
Mon 3/108:00 amPHL - ONT
1 stop10h 04mFrontier
Deal found 2/18$130
This Frontier deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/912:59 amONT - DCA
1 stop8h 04mFrontier
Wed 3/121:03 pmDCA - ONT
1 stop14h 01mFrontier
Deal found 2/20$150
This Trip.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/211:23 amONT - LGA
1 stop7h 37mFrontier
Sat 4/510:59 pmLGA - ONT
1 stop11h 30mFrontier
Deal found 2/19$163
This Kiwi.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/92:48 pmONT - JFK
1 stop12h 42mFrontier
Tue 3/117:59 amJFK - ONT
1 stop10h 05mFrontier
Deal found 2/19$163
This Frontier deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/52:42 pmONT - IAD
1 stop12h 49mFrontier
Thu 5/88:01 amIAD - ONT
1 stop12h 44mFrontier
Deal found 2/20$180
This Trip.com deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/39:06 pmONT - PHL
1 stop14h 43mMultiple Airlines
Thu 3/67:35 amPHL - ONT
1 stop10h 29mMultiple Airlines
Deal found 2/19$183
This eDestinos deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/108:24 amONT - EWR
2 stops33h 42mFrontier
Fri 5/1610:00 pmEWR - ONT
2 stops36h 24mFrontier
Deal found 2/20$239
This JetBlue deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/210:40 pmONT - JFK
Nonstop5h 20mJetBlue
Sun 5/46:10 pmJFK - ONT
Nonstop6h 12mJetBlue
Deal found 2/20$257
This American Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2411:59 pmONT - LGA
1 stop8h 31mAmerican Airlines
Mon 4/282:29 pmLGA - ONT
1 stop9h 30mAmerican Airlines
Deal found 2/20$277
This American Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/210:40 pmONT - EWR
1 stop8h 00mAmerican Airlines
Wed 5/76:59 amEWR - ONT
1 stop7h 53mAmerican Airlines
Deal found 2/20$277
This American Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1110:44 amONT - JFK
1 stop7h 46mAmerican Airlines
Fri 4/188:00 amJFK - ONT
1 stop8h 49mAmerican Airlines
Deal found 2/19$277
This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/712:42 pmONT - EWR
1 stop9h 09mDelta
Tue 4/153:52 pmEWR - ONT
1 stop9h 44mDelta
Deal found 2/20$282

Find flights from Ontario to Pennsylvania within your budget

Customize your flight search to find flights from Ontario to Pennsylvania 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 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Ontario

Fly to

Pennsylvania

Route

Depart

Return

Price

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

Wed 3/5

2:43 pm-6:04 am

1 stop12h 21m

Philadelphia

Wed 3/12

7:45 am-3:04 pm

1 stop10h 19m

$130

OntarioWashington, D.C.

ONT - DCA

ONTDCA

Ontario

Sun 3/9

12:59 am-12:03 pm

1 stop8h 04m

Washington, D.C. Reagan-National

Wed 3/12

1:03 pm-12:04 am

1 stop14h 01m

$150

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Wed 4/2

11:23 am-10:00 pm

1 stop7h 37m

New York LaGuardia

Sat 4/5

10:59 pm-7:29 am

1 stop11h 30m

$163

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Sun 3/9

2:48 pm-6:30 am

1 stop12h 42m

New York John F Kennedy Intl

Wed 3/12

7:59 am-3:04 pm

1 stop10h 05m

$163

OntarioWashington, D.C.

ONT - IAD

ONTIAD

Ontario

Mon 5/5

2:42 pm-6:31 am

1 stop12h 49m

Washington, D.C. Dulles Intl

Thu 5/8

8:01 am-5:45 pm

1 stop12h 44m

$180

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

Mon 3/3

9:06 pm-2:49 pm

1 stop14h 43m

Philadelphia

Thu 3/6

7:35 am-3:04 pm

1 stop10h 29m

$183

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Fri 5/2

10:40 pm-7:00 am

Nonstop5h 20m

New York John F Kennedy Intl

Sun 5/4

6:10 pm-9:22 pm

Nonstop6h 12m

$257

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Thu 4/24

11:59 pm-11:30 am

1 stop8h 31m

New York LaGuardia

Mon 4/28

2:29 pm-8:59 pm

1 stop9h 30m

$277

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Fri 5/2

10:40 pm-9:40 am

1 stop8h 00m

Newark

Wed 5/7

6:59 am-11:52 am

1 stop7h 53m

$277

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Fri 4/11

10:44 am-9:30 pm

1 stop7h 46m

New York John F Kennedy Intl

Fri 4/18

8:00 am-1:49 pm

1 stop8h 49m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to Pennsylvania

Have a flexible travel schedule? Discover the best time to fly to Pennsylvania 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.

Travel insights for flights from Ontario to Pennsylvania

Get recent, data-driven insights about flights from Ontario to Pennsylvania including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Ontario to Pennsylvania (average of $236). Flying from Ontario to Pennsylvania in March is currently the most expensive (average of $295). 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.

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

Find hourly flight availability from Ontario to Pennsylvania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Pennsylvania as you normally would.

Rainfall in Pennsylvania by month

Plan your trip to Pennsylvania by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Pennsylvania ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Pennsylvania when rainfall is around 2.7 in.

Temperature in Pennsylvania by month

Plan your trip to Pennsylvania by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Pennsylvania, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Pennsylvania

Get insights into the airlines that provide service to Pennsylvania. 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 Pennsylvania. Reviews last updated February 20, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from Ontario to Pennsylvania to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.6

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.6

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.6

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.6

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.6

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.6

Reviews

1 / 20

6.0
Good

Lauren,Dec 2024

MCI - DCA

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Related info for your journey

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

  • What airport do you fly from for flights from Ontario to Pennsylvania?

    For a flight from Ontario to Pennsylvania, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $62. JetBlue flights start at $129 while deals on Delta start at $139 one-way.

  • What are the most popular routes from Ontario to Pennsylvania?

    The most popular route from Ontario to Pennsylvania is Ontario - New York John F Kennedy Intl. You may also consider Ontario - Newark or Ontario - New York LaGuardia.

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

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Ontario to Pennsylvania (average of $236). Flying from Ontario to Pennsylvania in March is currently the most expensive (average of $295). 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 Pennsylvania

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Ontario to Pennsylvania

Discover the top 6 airlines that operate flights from Ontario to Pennsylvania. 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 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$75Average$208FlexibilityNo cancel feeOn-time65%
FrontierCheapest$127Average$283FlexibilityNo cancel feeOn-time62%
DeltaCheapest$228Average$502FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$280Average$474FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$346Average$487FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$357Average$538FlexibilityNo cancel feeOn-time69%
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