Cheap flights from Pennsylvania to Los Angeles 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 Pennsylvania to Los Angeles departing on 5/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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1 adult
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0 bags
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Cheap round-trip flights
These are some of the best round-trip flight deals from Pennsylvania to Los Angeles that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Pennsylvania to Los Angeles.
Cheap last minute flights
Planning a quick getaway from Pennsylvania to Los Angeles? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Los Angeles, so you can enjoy a seamless trip without layovers.
Frontier flights from Pennsylvania to Ontario
Our best Frontier deals on Pennsylvania to Ontario flight tickets
Frontier![Frontier]()
May 21![Frontier]()
May 28
JFK6:59 amNew York John F Kennedy Intl
8h 09m
1 stop
ONT12:08 pmOntario
ONT7:37 pmOntario
6h 53m
1 stop
JFK5:30 amNew York John F Kennedy Intl
Frontier![Frontier]()
May 21![Frontier]()
May 28
JFK6:59 amNew York John F Kennedy Intl
8h 09m
1 stop
ONT12:08 pmOntario
ONT7:37 pmOntario
6h 53m
1 stop
JFK5:30 amNew York John F Kennedy Intl
Delta flights from Pennsylvania to Ontario
Our best Delta deals on Pennsylvania to Ontario flight tickets
Delta![Delta]()
Sep 16![Delta]()
Sep 27
LGA2:00 pmNew York LaGuardia
8h 42m
1 stop
ONT7:42 pmOntario
ONT10:59 pmOntario
7h 45m
1 stop
LGA9:44 amNew York LaGuardia
Delta![Delta]()
Sep 17![Delta]()
Sep 27
LGA2:00 pmNew York LaGuardia
12h 46m
2 stops
ONT11:46 pmOntario
ONT10:59 pmOntario
7h 45m
1 stop
LGA9:44 amNew York LaGuardia
See travel insights to Los Angeles from
How to get the cheapest flight ticket from Pennsylvania to Ontario
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 Ontario?
In general, September is the cheapest month to fly from Pennsylvania to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $274. If you aren’t able to travel during the month of September, then book flights to Ontario from Pennsylvania during April instead. Flights to Ontario in April, while not as cheap as those in September, still average around $298.
What is the cheapest day to depart on your flight to Ontario?
The cheapest day to depart on your flight to Ontario is on a Monday when prices can be found for as low as $330. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Pennsylvania to Ontario for around $416.
What is the cheapest time of day to depart on your flight to Ontario?
In the evening is the cheapest time of day to fly from Pennsylvania to Ontario when you can find flight prices for as low as $293. Flying to Ontario in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $386 on average. Flights to Ontario from Pennsylvania in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.
How far in advance should I book a flight to Ontario?
You are more likely to see cheaper flights to Ontario from Pennsylvania when booking 18 weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $368 when searching 18 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Pennsylvania for as low as $305 on momondo.
What is the cheapest airline that flies from Pennsylvania to Ontario?
Frontier, Alaska Airlines, and JetBlue are the most popular carriers operating from Pennsylvania to Ontario
What airlines fly to Ontario?
American Airlines, Spirit Airlines and Delta are the top three most popular airlines that fly to Ontario from Pennsylvania according to our data. American Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 9 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.
How many flights depart from Pennsylvania to Ontario on average per week?
The number of flights available between Pennsylvania and Ontario is 17 per week as of April 2025. The most frequent departure day is Wed, with 18% of weekly flights leaving on this day.
How long does it take to fly to Ontario?
Average flight duration from Pennsylvania to Ontario depends on which airport you fly into and out of. Flying from Pittsburgh to Los Angeles is 5h 08m on average, while flying from Philadelphia to Los Angeles is 5h 41m on average. Los Angeles is the most popular airport in Ontario.
Cheap Pennsylvania to Ontario flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to Ontario
When did momondo last update prices for flights from Pennsylvania to Ontario Airport?
Prices for flights from Pennsylvania to Ontario Airport are updated daily.
How many operators does momondo search for flights from Pennsylvania to Ontario Airport?
As of April 2025, there are 7 operators available to choose from for flights from Pennsylvania to Ontario Airport.
How old do you have to be to fly from Pennsylvania to Ontario Airport?
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 Pennsylvania to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Pennsylvania to Ontario
Compare and see reviews for airlines that fly from Pennsylvania to Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $131 | Free Cancellation | Rating 5.9 3,287 reviews | |||
| PriceFrom $152 | Free Cancellation | Rating 6.3 7,963 reviews | |||
| PriceFrom $268 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $280 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $303 | Free Cancellation | Rating 8.0 4,294 reviews | |||
| PriceFrom $306 | Free Cancellation | Rating 7.4 8,696 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Pennsylvania to Ontario?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Pennsylvania to Ontario. momondo saves you time and could save you money on your trip.
Can I find flights from Pennsylvania to Ontario with flexible booking policies on momondo?
Yes. All flights to Ontario from Pennsylvania on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Pennsylvania to Ontario?
momondo provides multiple filters to help you find the best flight to Ontario from Pennsylvania. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Pennsylvania to Ontario right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Pennsylvania and alert you when they change.