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Pennsylvania

$108+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PHL
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 30, 2025.

Round-trip from

$245
(Cheapflightsfares)

One-way from

$108
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$334
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. 10% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 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 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/137:22 pmONT - JFK
1 stop7h 08mFrontier
Sat 8/161:00 pmJFK - ONT
1 stop9h 14mFrontier
Deal found 7/29$245
This SmartFares deal was found by Cheapflights users on 7/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2212:59 amONT - DCA
1 stop8h 12mFrontier
Sat 8/306:00 pmDCA - ONT
1 stop8h 50mFrontier
Deal found 7/29$252
This Gotogate deal was found by Cheapflights users on 7/30. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2912:59 amONT - LGA
1 stop18h 06mFrontier
Sat 9/610:56 pmLGA - ONT
1 stop11h 27mFrontier
Deal found 7/30$255
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/55:15 pmONT - IAD
1 stop10h 19mFrontier
Tue 8/196:14 amIAD - ONT
1 stop13h 04mFrontier
Deal found 7/29$257
This Frontier deal was found by Cheapflights users on 7/28. 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.
Sat 8/25:13 pmONT - PHL
1 stop9h 36mFrontier
Sat 8/238:00 amPHL - ONT
1 stop11h 11mFrontier
Deal found 7/28$258
This Bravofly deal was found by Cheapflights users on 7/28. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/137:10 amONT - EWR
1 stop8h 49mHawaiian Airlines
Thu 10/25:48 pmEWR - ONT
1 stop9h 06mHawaiian Airlines
Deal found 7/28$258
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 10/314:11 pmONT - EWR
1 stop10h 48mAlaska Airlines
Tue 11/47:30 amEWR - ONT
1 stop10h 47mAlaska Airlines
Deal found 7/29$259
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 8/2311:59 pmONT - EWR
1 stop8h 48mAmerican Airlines
Sat 8/3010:53 amEWR - ONT
1 stop8h 31mAmerican Airlines
Deal found 7/30$265
This Trip.com deal was found by Cheapflights users on 7/30. 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.
Tue 9/910:56 pmONT - JFK
Nonstop5h 22mJetBlue
Tue 9/166:35 pmJFK - ONT
Nonstop5h 54mJetBlue
Deal found 7/30$266
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 10/296:10 amONT - LGA
1 stop8h 43mAmerican Airlines
Tue 11/46:59 amLGA - ONT
1 stop10h 03mAmerican Airlines
Deal found 7/30$267
This Trip.com deal was found by Cheapflights users on 7/27. 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 8/116:00 amONT - PIT
1 stop9h 10mMultiple Airlines
Mon 8/188:12 amPIT - ONT
1 stop15h 40mMultiple Airlines
Deal found 7/27$269
This American Airlines deal was found by Cheapflights users on 7/29. 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 9/2210:35 pmONT - JFK
1 stop9h 03mAmerican Airlines
Tue 9/3011:59 amJFK - ONT
2 stops9h 55mAmerican Airlines
Deal found 7/29$272

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 30, 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

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Wed 8/13

7:22 pm-5:30 am

1 stop7h 08m

New York John F Kennedy Intl

Sat 8/16

1:00 pm-7:14 pm

1 stop9h 14m

$245

OntarioWashington, D.C.

ONT - DCA

ONTDCA

Ontario

Fri 8/22

12:59 am-12:11 pm

1 stop8h 12m

Washington, D.C. Reagan-National

Sat 8/30

6:00 pm-11:50 pm

1 stop8h 50m

$252

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Fri 8/29

12:59 am-10:05 pm

1 stop18h 06m

New York LaGuardia

Sat 9/6

10:56 pm-7:23 am

1 stop11h 27m

$255

OntarioWashington, D.C.

ONT - IAD

ONTIAD

Ontario

Tue 8/5

5:15 pm-6:34 am

1 stop10h 19m

Washington, D.C. Dulles Intl

Tue 8/19

6:14 am-4:18 pm

1 stop13h 04m

$257

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Sat 9/13

7:10 am-6:59 pm

1 stop8h 49m

Newark

Thu 10/2

5:48 pm-11:54 pm

1 stop9h 06m

$258

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

Sat 8/2

5:13 pm-5:49 am

1 stop9h 36m

Philadelphia

Sat 8/23

8:00 am-4:11 pm

1 stop11h 11m

$258

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Sat 8/23

11:59 pm-11:47 am

1 stop8h 48m

Newark

Sat 8/30

10:53 am-4:24 pm

1 stop8h 31m

$265

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 9/9

10:56 pm-7:18 am

Nonstop5h 22m

New York John F Kennedy Intl

Tue 9/16

6:35 pm-9:29 pm

Nonstop5h 54m

$266

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Tue 10/21

7:02 am-8:17 pm

1 stop10h 15m

New York LaGuardia

Tue 10/28

3:20 pm-8:44 pm

1 stop8h 24m

$267

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Tue 9/16

3:06 pm-5:59 am

1 stop11h 53m

Newark

Thu 9/18

5:48 pm-11:54 pm

1 stop9h 06m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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 30, 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 30, 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

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

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

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

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
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

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
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

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
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

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
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

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 $108. Alaska Airlines flights start at $129 while deals on American Airlines start at $133 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$88Average$160FlexibilityNo cancel feeOn-time65%
FrontierCheapest$140Average$244FlexibilityNo cancel feeOn-time62%
DeltaCheapest$228Average$479FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$286Average$474FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$314Average$488FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$325Average$474FlexibilityNo cancel feeOn-time63%

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