What is the cheapest airline that flies from Ontario to Pennsylvania?

Delta, JetBlue, and Alaska Airlines are the most popular carriers operating from Ontario to Pennsylvania

What airlines fly to Pennsylvania?

American Airlines, Frontier and United Airlines are the top three most popular airlines that fly to Pennsylvania from Ontario according to our data. American Airlines is the first choice among our users, with 69% of people opting to fly with this airline when traveling to Pennsylvania. Keep in mind that there are 8 different airlines that fly to Pennsylvania on a routine basis, so you have a few additional options to choose from.

How many flights depart from Ontario to Pennsylvania on average per week?

7 flights are operational weekly from Ontario to Pennsylvania as of May 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

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?

As of May 2026, there are 8 operators available to choose from 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.

$104 Cheap Flights from Ontario to Pennsylvania in 2026

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Find the cheapest flights from Ontario to Pennsylvania

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 6:22 am

ONT

PHL

11h 42m

1 stop

11:06 am - 7:53 pm

PHL

ONT

11h 47m

1 stop

$210Frontier

Tue, Jul 7 - Tue, Jul 28

1:28 pm - 6:22 am

ONT

PHL

13h 54m

1 stop

7:00 am - 5:49 pm

PHL

ONT

13h 49m

1 stop

$219Frontier

Wed, Aug 5 - Wed, Aug 12

6:00 am - 9:58 pm

ONT

LGA

12h 58m

2 stops

2:59 pm - 9:48 pm

LGA

ONT

9h 49m

1 stop

$283Delta

Sun, May 24 - Tue, Jun 2

1:10 pm - 11:58 pm

ONT

JFK

7h 48m

1 stop

6:59 am - 12:04 pm

JFK

ONT

8h 05m

1 stop

$287American Airlines

Sat, May 30 - Sat, Jun 13

6:00 am - 5:15 pm

ONT

LGA

8h 15m

2 stops

2:59 pm - 11:34 pm

LGA

ONT

11h 35m

2 stops

$288Delta

Wed, May 27 - Wed, Jun 3

10:22 am - 10:29 pm

ONT

JFK

9h 07m

1 stop

3:30 pm - 10:36 pm

JFK

ONT

10h 06m

1 stop

$292American Airlines

Wed, May 27 - Tue, Jun 2

5:00 am - 5:24 pm

ONT

LGA

9h 24m

1 stop

4:30 pm - 10:51 pm

LGA

ONT

9h 21m

1 stop

$292United Airlines

Sun, May 24 - Sat, May 30

10:45 am - 10:45 pm

ONT

LGA

9h 00m

1 stop

7:15 am - 2:20 pm

LGA

ONT

10h 05m

1 stop

$298Southwest

Wed, May 27 - Mon, Jun 1

10:45 am - 10:45 pm

ONT

LGA

9h 00m

1 stop

6:05 am - 5:50 pm

LGA

ONT

14h 45m

1 stop

$303Southwest

Wed, May 27 - Sat, May 30

6:00 am - 6:43 pm

ONT

LGA

9h 43m

2 stops

4:30 pm - 10:51 pm

LGA

ONT

9h 21m

1 stop

$307United Airlines

Sat, May 16 - Sat, May 30

Alaska Airlines flights from Ontario to Pennsylvania

Our best Alaska Airlines deals on Ontario to Pennsylvania flight tickets

Alaska Airlines

May 29

ONT11:52 amOntario

9h 51m

1 stop

JFK12:43 amNew York John F Kennedy Intl

Jun 4

JFK5:29 pmNew York John F Kennedy Intl

20h 41m

1 stop

ONT11:10 amOntario

$294

Alaska Airlines

Oct 21

ONT2:14 pmOntario

12h 26m

1 stop

IAD5:40 amWashington, D.C. Dulles Intl

Oct 27

IAD7:00 amWashington, D.C. Dulles Intl

9h 19m

1 stop

ONT1:19 pmOntario

$321

Alaska Airlines

May 27

ONT4:03 pmOntario

12h 13m

1 stop

JFK7:16 amNew York John F Kennedy Intl

May 29

JFK4:15 pmNew York John F Kennedy Intl

10h 43m

1 stop

ONT11:58 pmOntario

$327

JetBlue flights from Ontario to Pennsylvania

Our best JetBlue deals on Ontario to Pennsylvania flight tickets

JetBlue

Aug 18

ONT11:50 pmOntario

5h 21m

JFK8:11 amNew York John F Kennedy Intl

Aug 25

JFK7:30 pmNew York John F Kennedy Intl

6h 05m

ONT10:35 pmOntario

$304

JetBlue

Aug 8

ONT11:24 pmOntario

5h 21m

JFK7:45 amNew York John F Kennedy Intl

Aug 11

JFK7:30 pmNew York John F Kennedy Intl

6h 05m

ONT10:35 pmOntario

$305

JetBlue

Jul 4

ONT11:16 pmOntario

5h 21m

JFK7:37 amNew York John F Kennedy Intl

Jul 10

JFK7:30 pmNew York John F Kennedy Intl

6h 05m

ONT10:35 pmOntario

$306

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

Tue 7/7

3:40 pm-6:22 am

1 stop11h 42m

Philadelphia

Tue 7/28

11:06 am-7:53 pm

1 stop11h 47m

$210

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

Wed 8/5

1:28 pm-6:22 am

1 stop13h 54m

Philadelphia

Wed 8/12

7:00 am-5:49 pm

1 stop13h 49m

$219

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Sun 5/24

6:00 am-9:58 pm

2 stops12h 58m

New York LaGuardia

Tue 6/2

2:59 pm-9:48 pm

1 stop9h 49m

$283

Quickest round-trip

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Sat 5/30

1:10 pm-11:58 pm

1 stop7h 48m

New York John F Kennedy Intl

Sat 6/13

6:59 am-12:04 pm

1 stop8h 05m

$287

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Wed 5/27

6:00 am-5:15 pm

2 stops8h 15m

New York LaGuardia

Wed 6/3

2:59 pm-11:34 pm

2 stops11h 35m

$288

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Wed 5/27

10:22 am-10:29 pm

1 stop9h 07m

New York John F Kennedy Intl

Tue 6/2

3:30 pm-10:36 pm

1 stop10h 06m

$292

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Sun 5/24

5:00 am-5:24 pm

1 stop9h 24m

New York LaGuardia

Sat 5/30

4:30 pm-10:51 pm

1 stop9h 21m

$292

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Wed 5/27

10:45 am-10:45 pm

1 stop9h 00m

New York LaGuardia

Mon 6/1

7:15 am-2:20 pm

1 stop10h 05m

$298

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Wed 5/27

10:45 am-10:45 pm

1 stop9h 00m

New York LaGuardia

Sat 5/30

6:05 am-5:50 pm

1 stop14h 45m

$303

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Sat 5/16

6:00 am-6:43 pm

2 stops9h 43m

New York LaGuardia

Sat 5/30

4:30 pm-10:51 pm

1 stop9h 21m

$307

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Pennsylvania?

The month of June is, on average, the cheapest month to fly to Pennsylvania from Ontario, with most prices found around $41. If you don’t want to visit Pennsylvania in June, then you should wait until November to fly from Ontario, when ticket prices are also cheap, with an average price of $72.

How far in advance should I book a flight from Ontario 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 $422 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 $340 on momondo.

Can stopping save me money on Ontario to Pennsylvania flights?

You could potentially save up to 75% 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 19m
Direct flights	Every day
Airports in Pennsylvania	152 airports

The fastest flight from Ontario to Pennsylvania takes 5h 19m

Direct flights go from Ontario to Pennsylvania every day.

There are 152 airports in Pennsylvania. From Ontario there are direct flights to New York John F Kennedy Intl (JFK).

Search flight deals

Frequently asked questions about flying from Ontario to Pennsylvania

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?
As of May 2026, there are 8 operators available to choose from 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
Frontier	PriceFrom $157	Free Cancellation	Rating 5.6 2,952 reviews	Search Frontier flights
Delta	PriceFrom $282	Free Cancellation	Rating 7.9 8,450 reviews	Search Delta flights
American Airlines	PriceFrom $285	Free Cancellation	Rating 7.1 11,662 reviews	Search American Airlines flights
Southwest	PriceFrom $306	Free Cancellation	Rating 7.9 4,296 reviews	Search Southwest flights
United Airlines	PriceFrom $310	Free Cancellation	Rating 7.4 9,706 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.