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

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

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

12 flights are operational weekly from Ontario to Pennsylvania as of March 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

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 72% 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.

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 March 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.

$79 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.

5:33 pm - 5:34 am

ONT

PHL

9h 01m

1 stop

8:00 am - 6:49 pm

PHL

ONT

13h 49m

1 stop

$160Frontier

vie., abr. 17 - mié., abr. 22

12:59 am - 1:00 pm

ONT

DCA

9h 01m

1 stop

1:59 pm - 11:55 pm

DCA

ONT

12h 56m

1 stop

$160Frontier

vie., abr. 24 - mar., abr. 28

10:30 am - 10:45 pm

ONT

LGA

9h 15m

2 stops

6:00 am - 1:15 pm

LGA

ONT

10h 15m

1 stop

$280Southwest

mié., abr. 22 - mié., abr. 29

11:55 pm - 11:20 am

ONT

LGA

8h 25m

1 stop

10:10 am - 3:10 pm

LGA

ONT

8h 00m

1 stop

$281Southwest

mar., abr. 14 - mié., abr. 22

12:49 pm - 11:41 pm

ONT

LGA

7h 52m

1 stop

1:59 pm - 11:44 pm

LGA

ONT

12h 45m

2 stops

$283Delta

vie., abr. 17 - lun., abr. 20

6:15 am - 8:23 pm

ONT

JFK

11h 08m

2 stops

2:30 pm - 9:07 pm

JFK

ONT

9h 37m

1 stop

$286American Airlines

mié., abr. 22 - sáb., abr. 25

10:15 pm - 2:01 pm

ONT

LGA

12h 46m

2 stops

1:59 pm - 11:44 pm

LGA

ONT

12h 45m

2 stops

$288Delta

vie., abr. 17 - lun., abr. 20

11:59 pm - 1:28 pm

ONT

JFK

10h 29m

2 stops

11:00 am - 6:24 pm

JFK

ONT

10h 24m

2 stops

$292American Airlines

mar., abr. 14 - mar., abr. 21

6:05 am - 3:49 pm

ONT

PIT

6h 44m

1 stop

6:25 am - 12:20 pm

PIT

ONT

8h 55m

1 stop

$325United Airlines

mié., abr. 8 - lun., abr. 20

7:00 am - 6:45 pm

ONT

MDT

8h 45m

1 stop

5:50 pm - 10:46 pm

MDT

ONT

7h 56m

1 stop

$389United Airlines

sáb., may. 16 - sáb., may. 23

JetBlue flights from Ontario to Pennsylvania

Our best JetBlue deals on Ontario to Pennsylvania flight tickets

JetBlue

Jun 1

ONT10:00 pmOntario

5h 16m

JFK6:16 amNew York John F Kennedy Intl

Jun 9

JFK5:30 pmNew York John F Kennedy Intl

6h 15m

ONT8:45 pmOntario

$287

JetBlue

May 27

ONT10:41 pmOntario

5h 29m

JFK7:10 amNew York John F Kennedy Intl

Jun 3

JFK5:30 pmNew York John F Kennedy Intl

6h 17m

ONT8:47 pmOntario

$302

JetBlue

May 18

ONT11:25 pmOntario

5h 25m

JFK7:50 amNew York John F Kennedy Intl

May 27

JFK5:30 pmNew York John F Kennedy Intl

6h 15m

ONT8:45 pmOntario

$305

Alaska Airlines flights from Ontario to Pennsylvania

Our best Alaska Airlines deals on Ontario to Pennsylvania flight tickets

Alaska Airlines

Apr 29

ONT10:39 amOntario

9h 20m

1 stop

JFK10:59 pmNew York John F Kennedy Intl

May 2

JFK7:00 amNew York John F Kennedy Intl

10h 32m

1 stop

ONT2:32 pmOntario

$281

Alaska Airlines

Apr 30

ONT10:39 amOntario

9h 20m

1 stop

JFK10:59 pmNew York John F Kennedy Intl

May 6

JFK7:00 amNew York John F Kennedy Intl

10h 30m

1 stop

ONT2:30 pmOntario

$299

Alaska Airlines

Apr 28

ONT6:00 amOntario

9h 20m

1 stop

IAD6:20 pmWashington, D.C. Dulles Intl

May 6

IAD7:10 amWashington, D.C. Dulles Intl

29h 35m

1 stop

ONT9:45 amOntario

$327

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

vie. 4/17

5:33 pm-5:34 am

1 stop9h 01m

Philadelphia

mié. 4/22

8:00 am-6:49 pm

1 stop13h 49m

$160

OntarioWashington, D.C.

ONT - DCA

ONTDCA

Ontario

vie. 4/24

12:59 am-1:00 pm

1 stop9h 01m

Washington, D.C. Reagan-National

mar. 4/28

1:59 pm-11:55 pm

1 stop12h 56m

$160

OntarioNew York

ONT - LGA

ONTLGA

Ontario

mié. 4/22

10:30 am-10:45 pm

2 stops9h 15m

New York LaGuardia

mié. 4/29

6:00 am-1:15 pm

1 stop10h 15m

$280

OntarioNew York

ONT - LGA

ONTLGA

Ontario

mar. 4/14

11:55 pm-11:20 am

1 stop8h 25m

New York LaGuardia

mié. 4/22

10:10 am-3:10 pm

1 stop8h 00m

$281

OntarioNew York

ONT - LGA

ONTLGA

Ontario

vie. 4/17

12:49 pm-11:41 pm

1 stop7h 52m

New York LaGuardia

lun. 4/20

1:59 pm-11:44 pm

2 stops12h 45m

$283

OntarioNew York

ONT - JFK

ONTJFK

Ontario

mié. 4/22

6:15 am-8:23 pm

2 stops11h 08m

New York John F Kennedy Intl

sáb. 4/25

2:30 pm-9:07 pm

1 stop9h 37m

$286

OntarioNew York

ONT - LGA

ONTLGA

Ontario

vie. 4/17

10:15 pm-2:01 pm

2 stops12h 46m

New York LaGuardia

lun. 4/20

1:59 pm-11:44 pm

2 stops12h 45m

$288

OntarioNew York

ONT - JFK

ONTJFK

Ontario

mar. 4/14

11:59 pm-1:28 pm

2 stops10h 29m

New York John F Kennedy Intl

mar. 4/21

11:00 am-6:24 pm

2 stops10h 24m

$292

Quickest round-trip

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

mié. 4/8

6:05 am-3:49 pm

1 stop6h 44m

Pittsburgh

lun. 4/20

6:25 am-12:20 pm

1 stop8h 55m

$325

OntarioHarrisburg

ONT - MDT

ONTMDT

Ontario

sáb. 5/16

7:00 am-6:45 pm

1 stop8h 45m

Harrisburg

sáb. 5/23

5:50 pm-10:46 pm

1 stop7h 56m

$389

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 May is, on average, the cheapest month to fly to Pennsylvania from Ontario, with most prices found around $338. If you don’t want to visit Pennsylvania in May, then you should wait until September to fly from Ontario, when ticket prices are also cheap, with an average price of $353.

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 $425 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 32% 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 16m
Direct flights	Every day
Airports in Pennsylvania	152 airports

The fastest flight from Ontario to Pennsylvania takes 5h 16m

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

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 March 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 5.7 3,019 reviews	Search Frontier flights
American Airlines	PriceFrom $285	Free Cancellation	Rating 7.1 11,489 reviews	Search American Airlines flights
Delta	PriceFrom $296	Free Cancellation	Rating 7.9 8,319 reviews	Search Delta flights
Southwest	PriceFrom $306	Free Cancellation	Rating 8.0 4,324 reviews	Search Southwest flights
United Airlines	PriceFrom $310	Free Cancellation	Rating 7.4 9,462 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.