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Pennsylvania

$106+ 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PHL
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$215
(Frontier)

One-way from

$106
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$381
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. 7% potential increase in price ($31 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 June 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 junio 12, 2025.

This Frontier deal was found by Cheapflights users on 6/12. 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.
jue. 8/75:14 pmONT - PHL
1 stop9h 35mFrontier
lun. 8/117:19 amPHL - ONT
1 stop7h 34mFrontier
Deal found 6/12$215
This Gotogate deal was found by Cheapflights users on 6/12. 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.
jue. 8/2112:28 pmONT - JFK
1 stop14h 02mFrontier
dom. 8/246:59 amJFK - ONT
1 stop27h 34mFrontier
Deal found 6/12$223
This American Airlines deal was found by Cheapflights users on 6/12. 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.
mié. 7/3011:59 pmONT - JFK
1 stop8h 52mAmerican Airlines
mié. 8/66:15 amJFK - ONT
2 stops10h 24mAmerican Airlines
Deal found 6/12$229
This United Airlines deal was found by Cheapflights users on 6/11. 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.
mar. 7/16:28 pmONT - EWR
1 stop8h 08mUnited Airlines
vie. 7/41:18 pmEWR - ONT
1 stop8h 12mUnited Airlines
Deal found 6/11$237
This Southwest deal was found by Cheapflights users on 6/11. 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.
jue. 10/25:55 amONT - LGA
1 stop8h 30mSouthwest
lun. 10/66:25 amLGA - ONT
1 stop12h 10mSouthwest
Deal found 6/11$244
This American Airlines deal was found by Cheapflights users on 6/11. 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.
vie. 7/412:49 pmONT - LGA
1 stop7h 41mAmerican Airlines
jue. 7/106:06 pmLGA - ONT
1 stop7h 51mAmerican Airlines
Deal found 6/11$252
This Frontier deal was found by Cheapflights users on 6/11. 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.
mié. 7/97:22 pmONT - IAD
1 stop8h 12mFrontier
mar. 7/157:30 amIAD - ONT
1 stop11h 50mFrontier
Deal found 6/11$255
This JetBlue deal was found by Cheapflights users on 6/11. 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.
mar. 9/1610:56 pmONT - JFK
Nonstop5h 22mJetBlue
mar. 9/236:35 pmJFK - ONT
Nonstop5h 54mJetBlue
Deal found 6/11$257
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
jue. 8/2112:59 amONT - DCA
1 stop8h 12mFrontier
mié. 8/271:00 pmDCA - ONT
1 stop13h 50mFrontier
Deal found 6/10$263
This American Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 7/212:55 pmONT - EWR
1 stop7h 51mAmerican Airlines
sáb. 7/56:56 amEWR - ONT
1 stop8h 04mAmerican Airlines
Deal found 6/11$267
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/229:59 amONT - LGA
1 stop8h 00mFrontier
dom. 8/3110:50 pmLGA - ONT
1 stop12h 55mFrontier
Deal found 6/10$274
This Delta deal was found by Cheapflights users on 6/10. 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.
lun. 6/3010:05 pmONT - LGA
1 stop7h 09mDelta
vie. 7/45:00 pmLGA - ONT
1 stop8h 14mDelta
Deal found 6/10$277

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 junio 12, 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

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

jue. 8/7

5:14 pm-5:49 am

1 stop9h 35m

Philadelphia

lun. 8/11

7:19 am-11:53 am

1 stop7h 34m

$215

OntarioNew York

ONT - JFK

ONTJFK

Ontario

jue. 8/21

12:28 pm-5:30 am

1 stop14h 02m

New York John F Kennedy Intl

dom. 8/24

6:59 am-7:33 am

1 stop27h 34m

$223

OntarioNew York

ONT - LGA

ONTLGA

Ontario

vie. 8/8

11:59 pm-1:00 pm

1 stop10h 01m

New York LaGuardia

lun. 8/11

2:56 pm-9:12 pm

1 stop9h 16m

$224

OntarioNew York

ONT - JFK

ONTJFK

Ontario

mié. 7/30

11:59 pm-11:51 am

1 stop8h 52m

New York John F Kennedy Intl

mié. 8/6

6:15 am-1:39 pm

2 stops10h 24m

$229

OntarioNew York

ONT - LGA

ONTLGA

Ontario

mar. 7/1

5:10 am-3:50 pm

1 stop7h 40m

New York LaGuardia

vie. 7/4

11:20 am-4:35 pm

1 stop8h 15m

$237

OntarioNewark

ONT - EWR

ONTEWR

Ontario

mar. 7/1

6:28 pm-5:36 am

1 stop8h 08m

Newark

vie. 7/4

1:18 pm-6:30 pm

1 stop8h 12m

$237

OntarioWashington, D.C.

ONT - IAD

ONTIAD

Ontario

mié. 7/9

7:22 pm-6:34 am

1 stop8h 12m

Washington, D.C. Dulles Intl

mar. 7/15

7:30 am-4:20 pm

1 stop11h 50m

$255

OntarioNew York

ONT - JFK

ONTJFK

Ontario

mar. 9/16

10:56 pm-7:18 am

Nonstop5h 22m

New York John F Kennedy Intl

mar. 9/23

6:35 pm-9:29 pm

Nonstop5h 54m

$257

OntarioWashington, D.C.

ONT - DCA

ONTDCA

Ontario

jue. 8/21

12:59 am-12:11 pm

1 stop8h 12m

Washington, D.C. Reagan-National

mié. 8/27

1:00 pm-11:50 pm

1 stop13h 50m

$263

OntarioNewark

ONT - EWR

ONTEWR

Ontario

lun. 8/4

12:59 am-11:37 am

1 stop7h 38m

Newark

mar. 8/12

7:15 am-11:32 am

1 stop7h 17m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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 junio 12, 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 junio 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

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

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

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
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

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 Hawaiian Airlines, which is currently one of the cheapest options available, starting at $118. United Airlines flights start at $119 while deals on Frontier start at $128 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$88Average$218FlexibilityNo cancel feeOn-time65%
FrontierCheapest$140Average$282FlexibilityNo cancel feeOn-time62%
DeltaCheapest$228Average$502FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$470FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$306Average$469FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$342Average$475FlexibilityNo cancel feeOn-time63%

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