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$63+ Cheap flights from Pennsylvania to Ontario (ONT)

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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — ONT
ene. 26 — feb. 21
dom. 1/26
dom. 2/2
1 adult, Economy
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Cheap flight deals from Pennsylvania to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Pennsylvania (USPA) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 21, 2025.

Round-trip from

$129
(Flightnetwork)

One-way from

$63
(Trip.com)
From Pennsylvania to Ontario
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One-way flight from Pennsylvania to Ontario
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Find flight deals from Pennsylvania to Ontario

Cheapest flights from Pennsylvania to Ontario
Explore the most affordable flight options available from Pennsylvania to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 21, 2025.

This Flightnetwork deal was found by Cheapflights users on 1/20. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/228:00 amPHL - ONT
1 stop14h 09mFrontier
sáb. 3/18:09 pmONT - PHL
1 stop12h 17mFrontier
Deal found 1/20$129
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/127:59 amJFK - ONT
1 stop10h 05mFrontier
mié. 3/192:43 pmONT - JFK
1 stop12h 47mFrontier
Deal found 1/20$229
This Frontier deal was found by Cheapflights users on 1/20. 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.
sáb. 1/2510:00 pmLGA - ONT
1 stop13h 02mFrontier
jue. 2/69:02 amONT - LGA
1 stop8h 57mFrontier
Deal found 1/20$240
This American Airlines deal was found by Cheapflights users on 1/19. 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.
jue. 2/64:14 pmLGA - ONT
1 stop10h 44mAmerican Airlines
mié. 2/127:00 amONT - LGA
1 stop9h 00mAmerican Airlines
Deal found 1/19$253
This Frontier deal was found by Cheapflights users on 1/21. 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. 1/301:01 pmDCA - ONT
1 stop13h 46mFrontier
lun. 2/310:40 amONT - DCA
1 stop8h 19mFrontier
Deal found 1/21$257
This Delta deal was found by Cheapflights users on 1/20. 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.
lun. 2/106:52 amJFK - ONT
1 stop8h 32mDelta
mar. 2/181:05 pmONT - JFK
1 stop8h 37mDelta
Deal found 1/20$277
This Delta deal was found by Cheapflights users on 1/20. 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.
mié. 2/126:00 amEWR - ONT
1 stop8h 50mDelta
mar. 2/181:05 pmONT - EWR
1 stop8h 43mDelta
Deal found 1/20$277
This Southwest deal was found by Cheapflights users on 1/21. 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. 2/67:20 amLGA - ONT
1 stop11h 00mSouthwest
lun. 2/1011:15 amONT - LGA
1 stop6h 45mSouthwest
Deal found 1/21$279
This Delta deal was found by Cheapflights users on 1/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/64:59 pmLGA - ONT
1 stop8h 53mDelta
mié. 2/126:00 amONT - LGA
2 stops10h 14mDelta
Deal found 1/19$282
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/225:30 pmEWR - ONT
1 stop9h 28mAlaska Airlines
vie. 2/286:00 amONT - EWR
1 stop9h 29mAlaska Airlines
Deal found 1/19$282
This American Airlines deal was found by Cheapflights users on 1/19. 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.
jue. 2/63:59 pmJFK - ONT
1 stop10h 59mAmerican Airlines
mié. 2/126:10 amONT - JFK
2 stops10h 05mAmerican Airlines
Deal found 1/19$283
This American Airlines deal was found by Cheapflights users on 1/21. 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.
mar. 3/254:48 pmEWR - ONT
1 stop8h 12mAmerican Airlines
mié. 3/267:35 pmONT - EWR
1 stop6h 57mAmerican Airlines
Deal found 1/21$290

Find flights from Pennsylvania to Ontario within your budget

Customize your flight search to find flights from Pennsylvania to Ontario 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 enero 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PhiladelphiaOntario

PHL - ONT

PHLONT

Philadelphia

sáb. 2/22

8:00 am-7:09 pm

1 stop14h 09m

Ontario

sáb. 3/1

8:09 pm-11:26 am

1 stop12h 17m

$129

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

jue. 4/10

12:19 pm-11:59 pm

1 stop14h 40m

Ontario

sáb. 4/12

12:59 am-11:19 am

1 stop7h 20m

$160

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

mié. 3/12

7:59 am-3:04 pm

1 stop10h 05m

Ontario

mié. 3/19

2:43 pm-6:30 am

1 stop12h 47m

$229

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

mié. 4/2

10:59 pm-7:29 am

1 stop11h 30m

Ontario

jue. 4/17

8:29 am-10:00 pm

1 stop10h 31m

$240

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

jue. 2/6

4:14 pm-11:58 pm

1 stop10h 44m

Ontario

mié. 2/12

7:00 am-7:00 pm

1 stop9h 00m

$253

Washington, D.C.Ontario

DCA - ONT

DCAONT

Washington, D.C. Reagan-National

dom. 2/16

6:00 pm-11:54 pm

1 stop8h 54m

Ontario

sáb. 2/22

12:59 am-12:03 pm

1 stop8h 04m

$260

New YorkOntario

JFK - ONT

JFKONT

New York John F Kennedy Intl

lun. 2/10

6:52 am-12:24 pm

1 stop8h 32m

Ontario

mar. 2/18

1:05 pm-12:42 am

1 stop8h 37m

$277

NewarkOntario

EWR - ONT

EWRONT

Newark

mié. 2/12

6:00 am-11:50 am

1 stop8h 50m

Ontario

mar. 2/18

1:05 pm-12:48 am

1 stop8h 43m

$277

New YorkOntario

LGA - ONT

LGAONT

New York LaGuardia

jue. 2/6

7:20 am-3:20 pm

1 stop11h 00m

Ontario

lun. 2/10

11:15 am-9:00 pm

1 stop6h 45m

$279

NewarkOntario

EWR - ONT

EWRONT

Newark

sáb. 2/22

5:30 pm-11:58 pm

1 stop9h 28m

Ontario

mié. 2/26

6:00 am-6:29 pm

1 stop9h 29m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

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

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

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

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

Currently, August is the cheapest month in which you can book a flight from Pennsylvania to Ontario (average of $246). Flying from Pennsylvania to Ontario in March is currently the most expensive (average of $310). 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 PA to ONT?

Find hourly flight availability from Pennsylvania to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 21, 2025.

When flying from Pennsylvania to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August 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 December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated enero 21, 2025.
Read reviews from past customers who have flown Alaska Airlines, Frontier and Delta from Pennsylvania to Ontario. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,662 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,706 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,521 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

JetBlue
7.4
Good
3,200 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,984 reviews
Southwest
8.1
Very good
4,662 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Overall

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to Ontario. 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 into for flights to Ontario from Pennsylvania?

    Ontario (ONT) is the airport you will fly into if you book a flight from Pennsylvania to Ontario. It is only a 3.1 mi journey from Ontario (ONT) to Ontario’s city center.

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

    $63 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $136 and $139, respectively.

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

    Most travelers choose New York John F Kennedy Intl - Ontario, Newark - Ontario or New York LaGuardia - Ontario when deciding on the best route from Pennsylvania to Ontario.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Pennsylvania to Ontario 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 Pennsylvania to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Pennsylvania to Ontario (average of $246). Flying from Pennsylvania to Ontario in March is currently the most expensive (average of $310). 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.

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Alternative routes for Pennsylvania to Ontario

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

Discover the top 6 airlines that operate flights from Pennsylvania to Ontario. 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 enero 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$138Average$264FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$152Average$218FlexibilityNo cancel feeOn-time65%
DeltaCheapest$259Average$432FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$582FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$277Average$428FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$346Average$481FlexibilityNo cancel feeOn-time69%
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