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Cheap flights from Ontario to Pennsylvania from $104

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 9/3. 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

Frontier Logo
7:22 pm - 5:30 amONT-JFK
7h 08m1 stop
Frontier Logo
1:00 pm - 7:14 pmJFK-ONT
9h 14m1 stop
$243Frontier
Find Deal
Wed, Aug 13 - Sat, Aug 16
Frontier Logo
7:22 pm - 5:30 amONT-JFK
7h 08m1 stop
Frontier Logo
1:00 pm - 7:14 pmJFK-ONT
9h 14m1 stop
$245Frontier
Find Deal
Wed, Aug 13 - Sat, Aug 16
American Airlines Logo
11:59 pm - 11:47 amONT-EWR
8h 48m1 stop
American Airlines Logo
10:53 am - 4:24 pmEWR-ONT
8h 31m1 stop
$265American Airlines
Find Deal
Sat, Aug 23 - Sat, Aug 30
American Airlines Logo
12:47 pm - 11:35 pmONT-LGA
7h 48m1 stop
American Airlines Logo
6:59 am - 2:02 pmLGA-ONT
10h 03m1 stop
$267American Airlines
Find Deal
Wed, Oct 29 - Tue, Nov 4
Southwest Logo
10:35 am - 10:50 pmONT-LGA
9h 15m1 stop
Southwest Logo
3:40 pm - 10:30 pmLGA-ONT
9h 50m1 stop
$276Southwest
Find Deal
Fri, Sep 5 - Mon, Sep 8
Delta Logo
11:45 am - 11:21 pmONT-IAD
8h 36m1 stop
Delta Logo
12:39 pm - 7:11 pmIAD-ONT
9h 32m1 stop
$276Delta
Find Deal
Sat, Aug 30 - Sat, Sep 6
Delta Logo
7:05 am - 5:20 pmONT-DCA
7h 15m1 stop
Delta Logo
6:00 am - 10:20 amDCA-ONT
7h 20m1 stop
$277Delta
Find Deal
Sat, Aug 23 - Sat, Aug 30
Southwest Logo
11:55 am - 10:15 pmONT-LGA
7h 20m1 stop
Southwest Logo
1:50 pm - 8:40 pmLGA-ONT
9h 50m2 stops
$302Southwest
Find Deal
Wed, Sep 3 - Sat, Sep 6
United Airlines Logo
6:04 am - 6:41 pmONT-DCA
9h 37m1 stop
United Airlines Logo
7:00 am - 12:13 pmDCA-ONT
8h 13m1 stop
$319United Airlines
Find Deal
Mon, Aug 25 - Mon, Sep 1
United Airlines Logo
6:36 pm - 5:26 amONT-PHL
7h 50m1 stop
United Airlines Logo
5:06 pm - 10:30 pmPHL-ONT
8h 24m1 stop
$320United Airlines
Find Deal
Wed, Oct 1 - Tue, Oct 7

American Airlines flights from Ontario to Pennsylvania

Our best American Airlines deals on Ontario to Pennsylvania flight tickets
American Airlines
Aug 23
ONT11:59 pmOntario
8h 48m
1 stop
EWR11:47 amNewark
Aug 30
EWR10:53 amNewark
8h 31m
1 stop
ONT4:24 pmOntario
$265
Find similar
American Airlines
Oct 29
ONT12:47 pmOntario
7h 48m
1 stop
LGA11:35 pmNew York LaGuardia
Nov 4
LGA6:59 amNew York LaGuardia
10h 03m
1 stop
ONT2:02 pmOntario
$267
Find similar
American Airlines
Oct 24
ONT11:59 pmOntario
8h 48m
1 stop
EWR11:47 amNewark
Oct 31
EWR7:15 amNewark
7h 46m
1 stop
ONT12:01 pmOntario
$269
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Frontier flights from Ontario to Pennsylvania

Our best Frontier deals on Ontario to Pennsylvania flight tickets
Frontier
Aug 13
ONT7:22 pmOntario
7h 08m
1 stop
JFK5:30 amNew York John F Kennedy Intl
Aug 16
JFK1:00 pmNew York John F Kennedy Intl
9h 14m
1 stop
ONT7:14 pmOntario
$243
Find similar
Frontier
Aug 13
ONT7:22 pmOntario
7h 08m
1 stop
JFK5:30 amNew York John F Kennedy Intl
Aug 16
JFK1:00 pmNew York John F Kennedy Intl
9h 14m
1 stop
ONT7:14 pmOntario
$245
Find similar
Frontier
Aug 22
ONT12:59 amOntario
8h 12m
1 stop
DCA12:11 pmWashington, D.C. Reagan-National
Aug 30
DCA6:00 pmWashington, D.C. Reagan-National
8h 50m
1 stop
ONT11:50 pmOntario
$252
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 July 31, 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 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

$243

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

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 - LGA

ONTLGA

Ontario

Wed 10/29

12:47 pm-11:35 pm

1 stop7h 48m

New York LaGuardia

Tue 11/4

6:59 am-2:02 pm

1 stop10h 03m

$267

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Fri 9/5

10:35 am-10:50 pm

1 stop9h 15m

New York LaGuardia

Mon 9/8

3:40 pm-10:30 pm

1 stop9h 50m

$276

OntarioWashington, D.C.

ONT - IAD

ONTIAD

Ontario

Sat 8/30

11:45 am-11:21 pm

1 stop8h 36m

Washington, D.C. Dulles Intl

Sat 9/6

12:39 pm-7:11 pm

1 stop9h 32m

$276

OntarioWashington, D.C.

ONT - DCA

ONTDCA

Ontario

Sat 8/23

7:05 am-5:20 pm

1 stop7h 15m

Washington, D.C. Reagan-National

Sat 8/30

6:00 am-10:20 am

1 stop7h 20m

$277

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Wed 9/3

11:55 am-10:15 pm

1 stop7h 20m

New York LaGuardia

Sat 9/6

1:50 pm-8:40 pm

2 stops9h 50m

$302

OntarioWashington, D.C.

ONT - DCA

ONTDCA

Ontario

Mon 8/25

6:04 am-6:41 pm

1 stop9h 37m

Washington, D.C. Reagan-National

Mon 9/1

7:00 am-12:13 pm

1 stop8h 13m

$319

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

Wed 10/1

6:36 pm-5:26 am

1 stop7h 50m

Philadelphia

Tue 10/7

5:06 pm-10:30 pm

1 stop8h 24m

$320

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 August is, on average, the cheapest month to fly to Pennsylvania from Ontario, with most prices found around $356. If you don’t want to visit Pennsylvania in August, then you should wait until September to fly from Ontario, when ticket prices are also cheap, with an average price of $356.

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 $411 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 $331 on momondo.

Can stopping save me money on Ontario to Pennsylvania flights?

You could potentially save up to 56% 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

Best Price Found

$104

Fastest flight time

5h 22m

Direct flights

Every day

Airports in Pennsylvania

10 airports
The best one-way flight to Pennsylvania from Ontario in the past 72 hours is $104. The best round-trip flight deal from Ontario to Pennsylvania found on momondo in the last 72 hours is $243.
The fastest flight from Ontario to Pennsylvania takes 5h 22m
Direct flights go from Ontario to Pennsylvania every day.
There are 10 airports near Pennsylvania: Newark (EWR), Washington, D.C. Reagan-National (DCA), Allentown-Bethlehem (ABE), Philadelphia (PHL), New York LaGuardia (LGA), Pittsburgh (PIT), Wilkes-Barre Scranton (AVP), Harrisburg (MDT), Washington, D.C. Dulles Intl (IAD), 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
8,048 reviews
Search Spirit Airlines flights
FrontierPriceFrom $140Free CancellationRating
5.9
3,239 reviews
Search Frontier flights
DeltaPriceFrom $228Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $286Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
American AirlinesPriceFrom $314Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $325Free CancellationRating
8.0
4,246 reviews
Search Southwest 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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