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Pennsylvania

$72+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PHL
Jul 13 — Jul 201
Sun 7/13
Sun 7/20
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 July 8, 2025.

Round-trip from

$187
(American Airlines)

One-way from

$72
(Priceline)

Popular in

December

Cheapest in

September

Average price

$375
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 ($33 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 July 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 July 8, 2025.

This American Airlines deal was found by Cheapflights users on 7/7. 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 8/2112:22 pmONT - PIT
1 stop8h 06mAmerican Airlines
Tue 8/267:03 amPIT - ONT
1 stop7h 49mAmerican Airlines
Deal found 7/7$187
This Priceline deal was found by Cheapflights users on 7/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/167:22 pmONT - PHL
1 stop7h 27mFrontier
Sat 7/267:19 amPHL - ONT
1 stop12h 01mFrontier
Deal found 7/7$190
This American Airlines deal was found by Cheapflights users on 7/8. 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.
Mon 8/412:59 amONT - PHL
1 stop8h 56mAmerican Airlines
Mon 8/111:43 pmPHL - ONT
1 stop10h 29mAmerican Airlines
Deal found 7/8$197
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/258:10 amONT - PHL
1 stop9h 20mSouthwest
Mon 10/2710:10 amPHL - ONT
1 stop8h 25mSouthwest
Deal found 7/7$206
This United Airlines deal was found by Cheapflights users on 7/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:36 pmONT - PIT
1 stop7h 34mUnited Airlines
Sat 10/44:55 pmPIT - ONT
1 stop7h 29mUnited Airlines
Deal found 7/7$209
This Southwest deal was found by Cheapflights users on 7/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/49:40 amONT - LGA
1 stop10h 45mSouthwest
Mon 8/113:40 pmLGA - ONT
1 stop9h 50mSouthwest
Deal found 7/7$218
This Priceline deal was found by Cheapflights users on 7/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/75:14 pmONT - JFK
1 stop9h 16mFrontier
Mon 8/116:59 amJFK - ONT
1 stop7h 54mFrontier
Deal found 7/8$219
This American Airlines deal was found by Cheapflights users on 7/8. 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.
Sun 8/311:59 pmONT - LGA
1 stop7h 31mAmerican Airlines
Wed 8/64:00 pmLGA - ONT
1 stop9h 48mAmerican Airlines
Deal found 7/8$222
This Priceline deal was found by Cheapflights users on 7/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/75:14 pmONT - IAD
1 stop10h 20mFrontier
Sun 8/107:30 amIAD - ONT
1 stop11h 49mFrontier
Deal found 7/7$229
This Alaska Airlines deal was found by Cheapflights users on 7/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2611:39 amONT - IAD
1 stop9h 41mAlaska Airlines
Tue 9/97:00 amIAD - ONT
1 stop10h 12mAlaska Airlines
Deal found 7/7$234
This Priceline deal was found by Cheapflights users on 7/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1412:59 amONT - DCA
1 stop8h 05mFrontier
Wed 7/306:00 pmDCA - ONT
1 stop8h 50mFrontier
Deal found 7/8$236
This Trip.com deal was found by Cheapflights users on 7/7. 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.
Thu 8/145:14 pmONT - PIT
1 stop10h 53mMultiple Airlines
Tue 8/198:12 amPIT - ONT
1 stop11h 06mMultiple Airlines
Deal found 7/7$241

Cheapflights Fare Finder

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 July 8, 2025.
Use the filters below to find and compare flights from Ontario to Pennsylvania that are best for you.

Fly from

Ontario

Fly to

Pennsylvania

Route

Depart

Return

Price

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Thu 8/21

12:22 pm-11:28 pm

1 stop8h 06m

Pittsburgh

Tue 8/26

7:03 am-11:52 am

1 stop7h 49m

$187

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

Sat 7/26

5:13 pm-5:49 am

1 stop9h 36m

Philadelphia

Fri 8/1

7:19 am-11:53 am

1 stop7h 34m

$190

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

Mon 8/4

11:59 pm-12:55 pm

1 stop9h 56m

Philadelphia

Wed 8/6

1:43 pm-9:10 pm

1 stop10h 27m

$197

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

Sat 10/25

8:10 am-8:30 pm

1 stop9h 20m

Philadelphia

Mon 10/27

10:10 am-3:35 pm

1 stop8h 25m

$206

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Fri 10/3

6:36 pm-5:10 am

1 stop7h 34m

Pittsburgh

Sat 10/4

4:55 pm-9:24 pm

1 stop7h 29m

$209

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Fri 8/1

7:22 pm-5:30 am

1 stop7h 08m

New York John F Kennedy Intl

Sun 8/3

6:59 am-4:19 pm

1 stop12h 20m

$215

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Mon 8/4

9:40 am-11:25 pm

1 stop10h 45m

New York LaGuardia

Mon 8/11

3:40 pm-10:30 pm

1 stop9h 50m

$218

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Sat 8/30

11:59 pm-11:09 am

1 stop8h 10m

New York LaGuardia

Tue 9/9

2:59 pm-9:24 pm

1 stop9h 25m

$228

OntarioWashington, D.C.

ONT - IAD

ONTIAD

Ontario

Thu 8/7

5:14 pm-6:34 am

1 stop10h 20m

Washington, D.C. Dulles Intl

Sun 8/10

7:30 am-4:19 pm

1 stop11h 49m

$229

OntarioWashington, D.C.

ONT - IAD

ONTIAD

Ontario

Tue 8/26

11:39 am-12:20 am

1 stop9h 41m

Washington, D.C. Dulles Intl

Tue 9/9

7:00 am-2:12 pm

1 stop10h 12m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/7

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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Pennsylvania

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 July 8, 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.

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 July 8, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Ontario to Pennsylvania. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,256 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,958 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,554 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,844 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $72. American Airlines flights start at $94 while deals on Southwest start at $100 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 July 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$88Average$160FlexibilityNo cancel feeOn-time65%
FrontierCheapest$140Average$246FlexibilityNo cancel feeOn-time62%
DeltaCheapest$228Average$484FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$286Average$474FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$314Average$469FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$325Average$471FlexibilityNo cancel feeOn-time63%

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