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Amazing Delta PHL to ONT Flight Deals

The cheapest flights to Los Angeles - Ontario Intl. found within the past 7 days were $288 round trip and $144 one way. Prices and availability subject to change. Additional terms may apply.

ONT From PHL Economy Coach Packages on Similar Airlines


FAQs about Delta Air Lines Flights from PHL to ONT

What terminal is Delta Air Lines at Philadelphia, PA (PHL-Philadelphia Intl.)?

Once you've been given your ticket for your flight from Philadelphia, PA (PHL-Philadelphia Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.), you should be able to identify which terminals Delta Air Lines flies into and out of. If not, ask your carrier or do some research online for that information.

Are there Delta Air Lines non-stop flights from PHL to ONT?

As you can't fly nonstop from Philadelphia, PA (PHL-Philadelphia Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) with Delta Air Lines, make the most of your layover. Treat yourself to some refreshments at a cozy airport bar, or stroll about the terminal and indulge in some retail therapy.

How long is a Delta Air Lines flight from PHL to ONT?

Squeeze in some in-flight shut-eye and start your vacation feeling refreshed and relaxed. You'll have time to do so when traveling with Delta Air Lines between Philadelphia, PA (PHL-Philadelphia Intl.) and Ontario, CA (ONT-Los Angeles - Ontario Intl.), with the average flight lasting 6 hours and 56 minutes.

How many direct and indirect flights does Delta Air Lines fly from PHL to ONT?

Delta Air Lines is currently operating approximately 2 flights every day from Philadelphia, PA (PHL-Philadelphia Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.).

If I am not able to travel due to COVID-19, can I change my booking to a later date?

For more info about changing your flight to Ontario, CA (ONT-Los Angeles - Ontario Intl.), please visit our Customer Service Portal.

What is the best day to buy a plane ticket?

This just in! Airfares offered on Tuesdays tend to be the cheapest, according to flight demand on Travelocity in 2019. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Monday, as data shows the start of the week is when prices are generally at their highest.

What are the cheapest days to fly?

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2019, flights departing on a Tuesday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

How far in advance can you book a flight?

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2019 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 1-2 weeks prior to their travel dates.

How can I save money on airline tickets?

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2019 saved nearly 50% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2019. Savings are subject to change based on departure location, date and destination.


*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.