Flying from Philadelphia International Airport (PHL) to Ontario International Airport (ONT): what you need to know
Ontario's timezone is UTC-8, which makes Ontario three hours behind Philadelphia.
Get to the airport on time so you don't miss your PHL to ONT flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.
During popular months like August, it's best to get to the airport earlier. Arrive two hours before domestic departures and four hours ahead for international flights whenever you're travelling during peak periods in general.
If you'd like to include a stop along the way, simply uncheck 'Direct flights only' when searching for your ticket from Philadelphia International Airport to Ontario International Airport. These are the most popular stopovers between PHL and ONT:
Denver International Airport
Phoenix Sky Harbour Airport
Chicago Midway Airport
How to find the cheapest flights from Philadelphia International Airport (PHL) to Ontario International Airport (ONT)
$143 is currently the best price for a one-way Philadelphia International Airport to Ontario International Airport flight. A return flight starts at $336. These prices can change based on availability.
It's often best to book early if you're hoping to get cheap tickets from PHL to ONT. That's because flight prices are based on demand, which tends to rise closer to departure.
Getting cheap flights from Philadelphia International Airport to Ontario International Airport is easy if you can be flexible with your dates. Use the 'Whole month' search function to see the lowest prices across every month and score a great deal.
You don't need to check every day to find out if fares have gone down when you set up a Price Alert. We'll notify you the moment a special offer becomes available on cheap flights from PHL to ONT.
Tailor your flights with filters. Pick your ideal departure and arrival times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Best' or 'Fastest' flights from Philadelphia International Airport to Ontario International Airport.
Handy information about Philadelphia International Airport (PHL)
You'll find PHL at 8500 Essington Ave.
Of all flights departing from Philadelphia International Airport, 77% arrive on time at their destination.
To reach Philadelphia International Airport from central Philadelphia, it'll take around 20 minutes by car. Of course, this depends on traffic. It's approximately 18 kilometres from the airport to the city centre.
The journey on public transport takes about 30 minutes.
Get your holiday off to a leisurely start by staying near PHL. Whether you have an early flight from Philadelphia International Airport to Ontario International Airport or just don't want to be rushed, these stays have you covered:
Arriving at Ontario International Airport (ONT)
The last thing you want is a lengthy journey to your hotel if you're landing late on a Philadelphia International Airport to Ontario International Airport flight. Book one of these accommodation options near ONT instead:
Say yes to new adventures by picking up a Ontario International Airport rental car. Grab a set of wheels from Dollar, Fox - Rent A Car or Thrifty and explore beyond Ontario's main sights.
For the lowest price, book your vehicle from Ontario International Airport around three weeks before your trip.
When to fly to Ontario International Airport (ONT)
July is the most popular month for flights from Philadelphia International Airport to Ontario International Airport. To escape the crowds, head to Ontario in March.
Book your flight from Philadelphia International Airport to Ontario International Airport for August if you want to go to Ontario during its warmest month. You can expect temperatures of between 16ºC (61ºF) and 36ºC (97ºF).
If you like cooler conditions, look for a cheap ticket from PHL to ONT in February. Temperatures average between 4ºC (39ºF) and 24ºC (75ºF) then.
Explore more of the United States
You've seen Ontario, now it's time to explore other corners of the United States. Journey about 56 kilometres west to Los Angeles to tick off its popular sights. From Hollywood Sign to Universal Studios Hollywood and Hollywood Bowl, your itinerary will be busy.
San Diego is another standout destination in the United States and is around 153 kilometres south of Ontario. No journey is complete without seeing San Diego Zoo, San Diego Balboa Park and USS Midway Museum.