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Cheap flights from Ontario to Pennsylvania from $67

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Pennsylvania departing on 1/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to Pennsylvania

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:49 pm - 11:59 amONT-JFK
14h 10m2 stops
Frontier Logo
7:59 am - 7:50 pmJFK-ONT
14h 51m1 stop
$162Frontier
Find Deal
Wed, Jan 14 - Sat, Jan 17
Frontier Logo
10:18 pm - 6:30 amONT-JFK
29h 12m1 stop
Frontier Logo
7:59 am - 5:54 pmJFK-ONT
12h 55m1 stop
$169Frontier
Find Deal
Fri, Jan 9 - Tue, Jan 13
American Airlines Logo
11:59 pm - 11:25 amONT-LGA
8h 26m1 stop
American Airlines Logo
10:35 am - 6:45 pmLGA-ONT
11h 10m1 stop
$193American Airlines
Find Deal
Fri, Jan 30 - Tue, Feb 3
American Airlines Logo
11:59 pm - 11:55 amONT-LGA
8h 56m2 stops
American Airlines Logo
4:05 pm - 10:48 pmLGA-ONT
9h 43m1 stop
$198American Airlines
Find Deal
Fri, Jan 30 - Tue, Feb 3
Multiple Airlines Logo
6:49 pm - 10:30 amONT-EWR
12h 41m2 stops
Multiple Airlines Logo
4:15 pm - 1:48 pmEWR-ONT
24h 33m1 stop
$204Multiple Airlines
Find Deal
Wed, Jan 14 - Sat, Jan 17
Multiple Airlines Logo
6:15 am - 11:17 amONT-PHL
26h 02m2 stops
Multiple Airlines Logo
8:53 am - 7:01 pmPHL-ONT
13h 08m1 stop
$218Multiple Airlines
Find Deal
Fri, Dec 12 - Sun, Jan 18
Delta Logo
10:30 pm - 10:58 amONT-EWR
9h 28m1 stop
Delta Logo
6:00 am - 11:31 amEWR-ONT
8h 31m1 stop
$290Delta
Find Deal
Wed, Jan 14 - Sat, Jan 17
United Airlines Logo
6:39 pm - 5:59 amONT-EWR
8h 20m1 stop
United Airlines Logo
2:07 pm - 8:58 pmEWR-ONT
9h 51m1 stop
$292United Airlines
Find Deal
Fri, Jan 9 - Tue, Jan 13
United Airlines Logo
5:05 am - 5:30 pmONT-EWR
9h 25m1 stop
United Airlines Logo
4:40 pm - 10:53 pmEWR-ONT
9h 13m1 stop
$295United Airlines
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Sun, Dec 7 - Sat, Jan 17
Delta Logo
6:00 am - 4:42 pmONT-PIT
7h 42m1 stop
Delta Logo
5:32 pm - 11:58 pmPIT-ONT
9h 26m1 stop
$322Delta
Find Deal
Sun, Jan 18 - Mon, Jan 26

Frontier flights from Ontario to Pennsylvania

Our best Frontier deals on Ontario to Pennsylvania flight tickets
Frontier
Jan 14
ONT6:49 pmOntario
14h 10m
2 stops
JFK11:59 amNew York John F Kennedy Intl
Jan 17
JFK7:59 amNew York John F Kennedy Intl
14h 51m
1 stop
ONT7:50 pmOntario
$162
Find similar
Frontier
Dec 10
ONT6:15 amOntario
20h 15m
1 stop
JFK5:30 amNew York John F Kennedy Intl
Jan 13
JFK7:59 amNew York John F Kennedy Intl
12h 55m
1 stop
ONT5:54 pmOntario
$163
Find similar
Frontier
Jan 9
ONT10:18 pmOntario
29h 12m
1 stop
JFK6:30 amNew York John F Kennedy Intl
Jan 13
JFK7:59 amNew York John F Kennedy Intl
12h 55m
1 stop
ONT5:54 pmOntario
$169
Find similar

Alaska Airlines flights from Ontario to Pennsylvania

Our best Alaska Airlines deals on Ontario to Pennsylvania flight tickets
Alaska Airlines
Jan 8
ONT6:00 amOntario
10h 28m
1 stop
JFK7:28 pmNew York John F Kennedy Intl
Jan 14
JFK7:00 amNew York John F Kennedy Intl
11h 08m
1 stop
ONT3:08 pmOntario
$231
Find similar
Alaska Airlines
Jan 8
ONT6:00 amOntario
10h 28m
1 stop
JFK7:28 pmNew York John F Kennedy Intl
Jan 14
JFK7:00 amNew York John F Kennedy Intl
11h 08m
1 stop
ONT3:08 pmOntario
$233
Find similar
Alaska Airlines
Feb 18
ONT7:00 amOntario
8h 59m
1 stop
EWR6:59 pmNewark
Feb 19
EWR5:30 pmNewark
9h 22m
1 stop
ONT11:52 pmOntario
$280
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 26, 2025.
Use the filters below to find and compare flights from Ontario to Pennsylvania that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Wed 1/14

6:49 pm-11:59 am

2 stops14h 10m

New York John F Kennedy Intl

Sat 1/17

7:59 am-7:50 pm

1 stop14h 51m

$162

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Fri 1/9

10:18 pm-6:30 am

1 stop29h 12m

New York John F Kennedy Intl

Tue 1/13

7:59 am-5:54 pm

1 stop12h 55m

$169

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Fri 1/30

11:59 pm-11:25 am

1 stop8h 26m

New York LaGuardia

Tue 2/3

10:35 am-6:45 pm

1 stop11h 10m

$193

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Fri 1/30

11:59 pm-11:55 am

2 stops8h 56m

New York LaGuardia

Tue 2/3

4:05 pm-10:48 pm

1 stop9h 43m

$198

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Wed 1/14

6:49 pm-10:30 am

2 stops12h 41m

Newark

Sat 1/17

4:15 pm-1:48 pm

1 stop24h 33m

$204

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

Fri 12/12

6:15 am-11:17 am

2 stops26h 02m

Philadelphia

Sun 1/18

8:53 am-7:01 pm

1 stop13h 08m

$218

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Wed 1/14

10:30 pm-10:58 am

1 stop9h 28m

Newark

Sat 1/17

6:00 am-11:31 am

1 stop8h 31m

$290

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Fri 1/9

6:39 pm-5:59 am

1 stop8h 20m

Newark

Tue 1/13

2:07 pm-8:58 pm

1 stop9h 51m

$292

OntarioNewark

ONT - EWR

ONTEWR

Ontario

Sun 12/7

5:05 am-5:30 pm

1 stop9h 25m

Newark

Sat 1/17

4:40 pm-10:53 pm

1 stop9h 13m

$295

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Sun 1/18

6:00 am-4:42 pm

1 stop7h 42m

Pittsburgh

Mon 1/26

5:32 pm-11:58 pm

1 stop9h 26m

$322

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Pennsylvania from

How to get the cheapest flight ticket from Ontario to Pennsylvania

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Pennsylvania?

The month of February is, on average, the cheapest month to fly to Pennsylvania from Ontario, with most prices found around $306. If you don’t want to visit Pennsylvania in February, then you should wait until May to fly from Ontario, when ticket prices are also cheap, with an average price of $353.

What is the cheapest day to depart on your flight to Pennsylvania?

The cheapest day to depart on your flight to Pennsylvania is on a Tuesday when prices can be found for as low as $342. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $423. These prices are subject to change though, so be sure to set up a Price Alert for flights to Pennsylvania.

What is the cheapest time of day to depart on your flight to Pennsylvania?

Our most recent data shows that the best time of day to fly to Pennsylvania is in the afternoon. Flights from Ontario to Pennsylvania during this time can be as low as $333. In contrast, the most expensive time of day to depart to Pennsylvania is at noon when prices are around $463.

How far in advance should I book a flight to Pennsylvania?

You are more likely to see cheaper flights to Pennsylvania from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Pennsylvania for around $408 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Pennsylvania from Ontario for as low as $325 on momondo.

Can stopping save me money on Ontario to Pennsylvania flights?

You could potentially save up to 59% on your flight if you consider stops on a Ontario to Pennsylvania flight.

Cheap Ontario to Pennsylvania flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Pennsylvania

Fastest flight time

5h 25m

Direct flights

Mon, Thu, Fri, Sat and Sun

Airports in Pennsylvania

1 airport
The fastest flight from Ontario to Pennsylvania takes 5h 25m
Direct flights go from Ontario to Pennsylvania on Monday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Pennsylvania: New York John F Kennedy Intl (JFK)
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  • When did momondo last update prices for flights from Ontario Airport to Pennsylvania?

    Prices for flights from Ontario Airport to Pennsylvania were last updated today.

  • How many operators does momondo search for flights from Ontario Airport to Pennsylvania?

  • How old do you have to be to fly from Ontario Airport to Pennsylvania?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Pennsylvania.

  • What documentation or ID do you need to fly to Pennsylvania?

    The travel and health documents required for your trip to Pennsylvania can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Pennsylvania. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Ontario to Pennsylvania

Compare and see reviews for airlines that fly from Ontario to Pennsylvania with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $88Free CancellationRating
6.3
8,158 reviews
Search Spirit Airlines flights
FrontierPriceFrom $140Free CancellationRating
5.8
3,099 reviews
Search Frontier flights
DeltaPriceFrom $296Free CancellationRating
7.9
7,998 reviews
Search Delta flights
American AirlinesPriceFrom $302Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
SouthwestPriceFrom $306Free CancellationRating
8.0
4,254 reviews
Search Southwest flights
United AirlinesPriceFrom $310Free CancellationRating
7.4
9,046 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Pennsylvania?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Pennsylvania. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Pennsylvania with flexible booking policies on momondo?

Flights from Ontario to Pennsylvania with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ontario to Pennsylvania?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Pennsylvania from Ontario.

I’m not ready to book a flight from Ontario to Pennsylvania right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to Pennsylvania flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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