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

Frontier, Hawaiian Airlines, and Alaska Airlines are the most popular carriers operating from Ontario to Pennsylvania

What airlines fly to Pennsylvania?

American Airlines, Spirit Airlines and Frontier 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 67% of people opting to fly with this airline when traveling to Pennsylvania. Keep in mind that there are 9 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?

18 flights are operational weekly from Ontario to Pennsylvania as of September 2025. The most popular departure day for this route is Thu, with 22% 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 September 2025, 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.

$96 Cheap Flights from Ontario to Pennsylvania in 2025/26

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Find the cheapest flights from Ontario to Pennsylvania

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

8:45 am - 4:49 amONT-PHL

17h 04m1 stop

6:19 am - 11:50 pmPHL-ONT

20h 31m1 stop

$164Frontier

Find Deal

mié., nov. 12 - sáb., nov. 15

8:34 am - 1:41 amONT-PHL

14h 07m1 stop

6:19 am - 11:10 amPHL-ONT

7h 51m1 stop

$165Frontier

Find Deal

vie., oct. 24 - jue., nov. 6

5:03 pm - 5:07 amONT-EWR

9h 04m1 stop

10:21 am - 5:55 pmEWR-ONT

10h 34m1 stop

$229American Airlines

Find Deal

sáb., feb. 14 - sáb., feb. 21

6:10 am - 5:53 pmONT-LGA

8h 43m1 stop

2:59 pm - 10:42 pmLGA-ONT

10h 43m1 stop

$235American Airlines

Find Deal

mié., oct. 22 - mar., oct. 28

9:36 am - 9:29 pmONT-EWR

8h 53m1 stop

5:10 pm - 10:52 pmEWR-ONT

8h 42m1 stop

$247United Airlines

Find Deal

mar., oct. 21 - mié., oct. 22

6:05 am - 5:59 pmONT-EWR

8h 54m1 stop

7:00 am - 12:37 pmEWR-ONT

8h 37m1 stop

$248United Airlines

Find Deal

mar., nov. 18 - lun., nov. 24

6:35 am - 6:10 pmONT-LGA

8h 35m1 stop

11:20 am - 8:40 pmLGA-ONT

12h 20m2 stops

$272Southwest

Find Deal

vie., oct. 17 - mar., oct. 21

11:36 am - 11:41 pmONT-LGA

9h 05m1 stop

6:00 am - 10:26 amLGA-ONT

7h 26m1 stop

$277Delta

Find Deal

mié., oct. 8 - mar., oct. 14

1:15 pm - 11:56 pmONT-EWR

7h 41m1 stop

6:50 am - 12:22 pmEWR-ONT

8h 32m1 stop

$277Delta

Find Deal

sáb., nov. 8 - sáb., dic. 6

5:15 am - 9:10 pmONT-LGA

12h 55m2 stops

3:30 pm - 10:05 pmLGA-ONT

9h 35m2 stops

$283Southwest

Find Deal

mié., oct. 22 - mar., oct. 28

JetBlue flights from Ontario to Pennsylvania

Our best JetBlue deals on Ontario to Pennsylvania flight tickets

JetBlue

Oct 21

ONT10:56 pmOntario

5h 22m

JFK7:18 amNew York John F Kennedy Intl

Oct 24

JFK6:35 pmNew York John F Kennedy Intl

5h 54m

ONT9:29 pmOntario

$232

Find similar

JetBlue

Oct 20

ONT10:56 pmOntario

5h 22m

JFK7:18 amNew York John F Kennedy Intl

Oct 23

JFK6:35 pmNew York John F Kennedy Intl

5h 54m

ONT9:29 pmOntario

$237

Find similar

JetBlue

Oct 22

ONT10:56 pmOntario

5h 22m

JFK7:18 amNew York John F Kennedy Intl

Oct 24

JFK6:35 pmNew York John F Kennedy Intl

5h 54m

ONT9:29 pmOntario

$252

Find similar

American Airlines flights from Ontario to Pennsylvania

Our best American Airlines deals on Ontario to Pennsylvania flight tickets

American Airlines

Feb 14

ONT5:03 pmOntario

9h 04m

1 stop

EWR5:07 amNewark

Feb 21

EWR10:21 amNewark

10h 34m

1 stop

ONT5:55 pmOntario

$229

Find similar

American Airlines

Oct 22

ONT6:10 amOntario

8h 43m

1 stop

LGA5:53 pmNew York LaGuardia

Oct 28

LGA2:59 pmNew York LaGuardia

10h 43m

1 stop

ONT10:42 pmOntario

$235

Find similar

American Airlines

Oct 29

ONT12:47 pmOntario

7h 48m

1 stop

LGA11:35 pmNew York LaGuardia

Nov 1

LGA8:24 amNew York LaGuardia

10h 00m

2 stops

ONT3:24 pmOntario

$240

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

mié. 11/12

8:45 am-4:49 am

1 stop17h 04m

Philadelphia

sáb. 11/15

6:19 am-11:50 pm

1 stop20h 31m

$164

OntarioPhiladelphia

ONT - PHL

ONTPHL

Ontario

vie. 10/24

8:34 am-1:41 am

1 stop14h 07m

Philadelphia

jue. 11/6

6:19 am-11:10 am

1 stop7h 51m

$165

OntarioNewark

ONT - EWR

ONTEWR

Ontario

sáb. 2/14

5:03 pm-5:07 am

1 stop9h 04m

Newark

sáb. 2/21

10:21 am-5:55 pm

1 stop10h 34m

$229

OntarioNew York

ONT - LGA

ONTLGA

Ontario

mié. 10/22

6:10 am-5:53 pm

1 stop8h 43m

New York LaGuardia

mar. 10/28

2:59 pm-10:42 pm

1 stop10h 43m

$235

OntarioNewark

ONT - EWR

ONTEWR

Ontario

mar. 10/21

9:36 am-9:29 pm

1 stop8h 53m

Newark

mié. 10/22

5:10 pm-10:52 pm

1 stop8h 42m

$247

OntarioNewark

ONT - EWR

ONTEWR

Ontario

mar. 11/18

6:05 am-5:59 pm

1 stop8h 54m

Newark

lun. 11/24

7:00 am-12:37 pm

1 stop8h 37m

$248

OntarioNew York

ONT - LGA

ONTLGA

Ontario

vie. 10/17

6:35 am-6:10 pm

1 stop8h 35m

New York LaGuardia

mar. 10/21

11:20 am-8:40 pm

2 stops12h 20m

$272

OntarioNew York

ONT - LGA

ONTLGA

Ontario

mié. 10/8

11:36 am-11:41 pm

1 stop9h 05m

New York LaGuardia

mar. 10/14

6:00 am-10:26 am

1 stop7h 26m

$277

OntarioNewark

ONT - EWR

ONTEWR

Ontario

sáb. 11/8

1:15 pm-11:56 pm

1 stop7h 41m

Newark

sáb. 12/6

6:50 am-12:22 pm

1 stop8h 32m

$277

OntarioNew York

ONT - LGA

ONTLGA

Ontario

mié. 10/22

5:15 am-9:10 pm

2 stops12h 55m

New York LaGuardia

mar. 10/28

3:30 pm-10:05 pm

2 stops9h 35m

$283

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 September is, on average, the cheapest month to fly to Pennsylvania from Ontario, with most prices found around $348. If you don’t want to visit Pennsylvania in September, then you should wait until May to fly from Ontario, when ticket prices are also cheap, with an average price of $366.

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 $325 on momondo.

Can stopping save me money on Ontario to Pennsylvania flights?

You could potentially save up to 20% 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 22m
Direct flights	Every day
Airports in Pennsylvania	2 airports

The fastest flight from Ontario to Pennsylvania takes 5h 22m

Direct flights go from Ontario to Pennsylvania every day.

There are 2 airports near Pennsylvania: New York LaGuardia (LGA), 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 September 2025, 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
Spirit Airlines	PriceFrom $88	Free Cancellation	Rating 6.3 8,045 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $151	Free Cancellation	Rating 5.8 3,162 reviews	Search Frontier flights
United Airlines	PriceFrom $286	Free Cancellation	Rating 7.4 8,928 reviews	Search United Airlines flights
Delta	PriceFrom $296	Free Cancellation	Rating 7.9 7,973 reviews	Search Delta flights
Southwest	PriceFrom $306	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
American Airlines	PriceFrom $306	Free Cancellation	Rating 7.2 10,000 reviews	Search American 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.

An easier way to manage your Pennsylvania trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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sáb. 10/25

sáb. 11/1

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Find better results for your trip to Pennsylvania

Popular cities in Pennsylvania

Flights to New Yorkfrom $50

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Flights to Chicagofrom $65

Flights to Orlandofrom $57

Flights to Las Vegasfrom $47

Flights to San Franciscofrom $59

Flights to Washington, D.C.from $60

Flights to Bostonfrom $68

Flights to Atlantafrom $51

Flights to Dallasfrom $60

Flights to Seattlefrom $86

Cheap flights from Ontario to Pennsylvania from $96

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 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Price Alerts

Find the cheapest flights from Ontario to Pennsylvania

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

JetBlue flights from Ontario to Pennsylvania

Our best JetBlue deals on Ontario to Pennsylvania flight tickets

American Airlines flights from Ontario to Pennsylvania

Our best American Airlines deals on Ontario to Pennsylvania flight tickets

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Use the filters below to find and compare flights from Ontario to Pennsylvania that are best for you.

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?

What is the cheapest day to depart on your flight 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?

Can stopping save me money on Ontario to Pennsylvania flights?

You could potentially save up to 20% on your flight if you consider stops on a Ontario to Pennsylvania flight.

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

Frontier, Hawaiian Airlines, and Alaska Airlines are the most popular carriers operating from Ontario to Pennsylvania

What airlines fly to Pennsylvania?

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

18 flights are operational weekly from Ontario to Pennsylvania as of September 2025. The most popular departure day for this route is Thu, with 22% of flights per week taking off on this day.

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

Direct flights

Airports in Pennsylvania

When did momondo last update prices for flights from Ontario Airport to Pennsylvania?

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?

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

Best airlines flying from Ontario to Pennsylvania

Compare and see reviews for airlines that fly from Ontario to Pennsylvania with momondo

Why use momondo?

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

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

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

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

An easier way to manage your Pennsylvania trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Pennsylvania

Popular cities in Pennsylvania

Popular flights according to clicks in the last 7 days on momondo