US$50️ Cheap Flights from Ontario to Philadelphia (2024)

Flights from Ontario to Philadelphia

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Find cheap one-way flights from Ontario to Philadelphia starting at CNY 50.

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from Ontario to Philadelphia?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Cheapest airlines flights from Ontario to Philadelphia

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From US$50

Delta Air Lines

From US$123

Alaska Airlines

From US$140

United Airlines

From US$149

Southwest Airlines

From US$203

Jetblue Airways

From US$215

American Airlines

From US$220

ANA airlines

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Find cheap flights from Ontario to Philadelphia by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Ontario to Philadelphia.

Cheapest
ONT
00:59
11h 50m
1 transfer
PHL
15:49
Ontario International Airport - Philadelphia International Airport
Tue, Apr 30Frontier Airlines
US$50
ONT
09:19
19h 33m
2 transfer
TTN
07:52
Ontario International Airport - Trenton Mercer Airport
Mon, May 13Frontier Airlines
US$83
ONT
09:19
19h 33m
2 transfer
TTN
07:52
Ontario International Airport - Trenton Mercer Airport
Mon, May 13Frontier Airlines
US$83
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Frequently Asked Questions

When are flight tickets from Ontario (ONT) to Philadelphia (PHL) the cheapest?
Airlines adjust prices for flights from Ontario to Philadelphia based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Ontario (ONT) to Philadelphia (PHL) cost?
According to Trip.com's data, the lowest price is around $359.

How to find a cheap flight from Ontario to Philadelphia

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Ontario to Philadelphia. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Ontario to Philadelphia Flight Information

Cheapest nonstop flight price	$49
Cheapest round-trip ticket price	$158
Off-season for travel	April
Peak season for travel	April
Flight distance	8,753.39km
Popular airline	Alaska Airlines