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Pennsylvania

$95+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PHL
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$196
(Cheapflightsfares)

One-way from

$95
(Mytrip)

Popular in

March

Cheapest in

September

Average price

$373
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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. 10% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/287:37 pmONT - PHL
1 stop7h 01mFrontier
Tue 6/36:15 amPHL - ONT
1 stop7h 28mFrontier
Deal found 4/30$196
This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/512:59 amONT - DCA
1 stop8h 08mFrontier
Tue 5/131:00 pmDCA - ONT
1 stop13h 59mFrontier
Deal found 4/30$198
This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/245:15 pmONT - IAD
1 stop9h 40mFrontier
Sat 5/317:25 amIAD - ONT
1 stop11h 55mFrontier
Deal found 4/30$198
This Booking.com deal was found by Cheapflights users on 4/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/212:59 amONT - LGA
1 stop18h 11mFrontier
Wed 6/410:55 pmLGA - ONT
1 stop13h 17mFrontier
Deal found 4/30$208
This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/211:08 pmONT - JFK
1 stop13h 22mFrontier
Fri 5/306:59 amJFK - ONT
1 stop7h 44mFrontier
Deal found 4/30$208
This Frontier deal was found by Cheapflights users on 5/1. 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.
Thu 5/2912:59 amONT - PIT
1 stop12h 46mFrontier
Mon 6/25:22 pmPIT - ONT
1 stop9h 28mFrontier
Deal found 5/1$218
This JetBlue deal was found by Cheapflights users on 4/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1611:00 pmONT - JFK
Nonstop5h 23mJetBlue
Tue 9/236:35 pmJFK - ONT
Nonstop6h 06mJetBlue
Deal found 4/29$257
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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.
Sat 5/244:45 pmONT - JFK
1 stop10h 24mAlaska Airlines
Tue 6/107:29 amJFK - ONT
1 stop11h 21mAlaska Airlines
Deal found 4/29$269
This American Airlines deal was found by Cheapflights users on 4/30. 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 10/18:43 amONT - LGA
1 stop9h 44mAmerican Airlines
Tue 10/216:55 pmLGA - ONT
1 stop8h 07mAmerican Airlines
Deal found 4/30$277
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/243:04 pmONT - EWR
1 stop11h 55mAlaska Airlines
Wed 10/15:48 pmEWR - ONT
1 stop9h 05mAlaska Airlines
Deal found 4/30$277
This Hawaiian Airlines deal was found by Cheapflights users on 4/30. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/163:04 pmONT - EWR
1 stop11h 55mHawaiian Airlines
Tue 9/235:48 pmEWR - ONT
1 stop9h 05mHawaiian Airlines
Deal found 4/30$286
This Expedia deal was found by Cheapflights users on 4/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/34:45 pmONT - PIT
1 stop11h 00mMultiple Airlines
Fri 6/65:22 pmPIT - ONT
1 stop9h 28mMultiple Airlines
Deal found 4/30$287

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 May 1, 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

Wed 5/28

7:37 pm-5:38 am

1 stop7h 01m

Philadelphia

Tue 6/3

6:15 am-10:43 am

1 stop7h 28m

$196

OntarioWashington, D.C.

ONT - DCA

ONTDCA

Ontario

Tue 5/13

12:59 am-12:07 pm

1 stop8h 08m

Washington, D.C. Reagan-National

Tue 5/20

1:00 pm-11:59 pm

1 stop13h 59m

$198

OntarioWashington, D.C.

ONT - IAD

ONTIAD

Ontario

Sat 5/24

5:15 pm-5:55 am

1 stop9h 40m

Washington, D.C. Dulles Intl

Sat 5/31

7:25 am-4:20 pm

1 stop11h 55m

$198

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Mon 6/2

12:59 am-10:10 pm

1 stop18h 11m

New York LaGuardia

Wed 6/4

10:55 pm-9:12 am

1 stop13h 17m

$208

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Wed 5/21

1:08 pm-5:30 am

1 stop13h 22m

New York John F Kennedy Intl

Tue 6/3

6:59 am-8:51 pm

1 stop16h 52m

$208

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Thu 5/29

12:59 am-4:45 pm

1 stop12h 46m

Pittsburgh

Mon 6/2

5:22 pm-11:50 pm

1 stop9h 28m

$218

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 9/16

11:00 pm-7:23 am

Nonstop5h 23m

New York John F Kennedy Intl

Wed 9/24

6:35 pm-9:41 pm

Nonstop6h 06m

$257

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Tue 9/16

7:22 pm-7:06 am

1 stop8h 44m

New York John F Kennedy Intl

Wed 9/24

7:29 am-2:09 pm

1 stop9h 40m

$269

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Wed 10/1

8:43 am-9:27 pm

1 stop9h 44m

New York LaGuardia

Tue 10/21

6:55 pm-12:02 am

1 stop8h 07m

$277

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Wed 9/24

3:04 pm-5:59 am

1 stop11h 55m

Newark

Wed 10/1

5:48 pm-11:53 pm

1 stop9h 05m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 May 1, 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 May 1, 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
9,972 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

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
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

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
4,294 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

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
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

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
2,408 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

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 $95. Hawaiian Airlines flights start at $137 while deals on Alaska Airlines start at $138 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 - Washington, D.C. Dulles Intl.

  • 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$110Average$223FlexibilityNo cancel feeOn-time65%
FrontierCheapest$148Average$286FlexibilityNo cancel feeOn-time62%
DeltaCheapest$228Average$508FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$486FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$340Average$509FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$342Average$483FlexibilityNo cancel feeOn-time63%

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