Cheap flights from Philadelphia, PA to Ontario, CA
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to Ontario
Cheapest one-way trip | $291 |
---|---|
Cheapest round-trip | $673 |
Average round-trip | $928 |
Most popular airline | United Airlines |
Search by stops
- Nonstop
- Up to 1 stop
- Up to 2 stops
Search by carrier
Search by price
Search by departure date
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
The most popular airlines for this route are United Airlines, and Alaska Airlines. Philadelphia and Ontario have 40 direct flights per week.
Check-in for a flight from Philadelphia to Ontario
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
United Airlines | UAL | UA | Yes | No |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Weather in Ontario
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 18°C | 7°C |
February | 18°C | 7°C |
March | 20°C | 8°C |
April | 23°C | 10°C |
May | 25°C | 12°C |
June | 29°C | 16°C |
July | 33°C | 19°C |
August | 33°C | 20°C |
September | 32°C | 18°C |
October | 27°C | 15°C |
November | 22°C | 10°C |
December | 17°C | 7°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from Philadelphia
- Flights from Philadelphia to Orlando
- Flights from Philadelphia to Atlanta
- Flights from Philadelphia to Las Vegas
- Flights from Philadelphia to Denver
- Flights from Philadelphia to Miami
- Flights from Philadelphia to Tampa
- Flights from Philadelphia to San Juan
- Flights from Philadelphia to Los Angeles
- Flights from Philadelphia to New Orleans
- Flights from Philadelphia to Dallas
- Flights from Philadelphia to Fort Myers
- Flights from Philadelphia to Charlotte
- Flights from Philadelphia to Austin
- Flights from Philadelphia to San Diego
- Flights from Philadelphia to Nashville
- Flights from Philadelphia to Houston
- Flights from Philadelphia to Jacksonville
- Flights from Philadelphia to Phoenix
- Flights from Philadelphia to Fort Lauderdale
- Flights from Philadelphia to San Francisco
Flights to Ontario
- Flights from Denver to Ontario
- Flights from Orlando to Ontario
- Flights from Austin to Ontario
- Flights from Atlanta to Ontario
- Flights from Sacramento to Ontario
- Flights from Seattle to Ontario
- Flights from San Francisco to Ontario
- Flights from Washington, D.C. to Ontario
- Flights from San Jose to Ontario
- Flights from San Antonio to Ontario
- Flights from Raleigh to Ontario
- Flights from Phoenix to Ontario
- Flights from Charlotte to Ontario
- Flights from Portland to Ontario
- Flights from Detroit to Ontario
- Flights from Las Vegas to Ontario
- Flights from Oakland to Ontario
- Flights from Nashville to Ontario
- Flights from Chicago to Ontario
- Flights from Fort Lauderdale to Ontario
Popular routes
- Flights from Mumbai to Manila
- Flights from Prague to Cancún
- Flights from New York to Istanbul
- Flights from Orlando to Helsinki
- Flights from Phoenix to Grand Junction
- Flights from Philadelphia to Orlando
- Flights from Orlando to New York
- Flights from Mexico City to Lisbon
- Flights from Munich to Geneva
- Flights from Mexico City to Aguascalientes
- Flights from Salt Lake City to San Jose
- Flights from Paris to Catania
- Flights from Madrid to Lyon
Airports near Philadelphia
- John F. Kennedy International
- Newark Liberty International
- Philadelphia International
- Baltimore–Washington International
- Washington Dulles International
- LaGuardia
- New York Stewart International Airport
- Ronald Reagan Washington National
- Atlantic City International
- Lehigh Valley International