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CA $257 Cheap Flights from Ontario Intl. Airport (ONT) to Pittsburgh (PIT)

View CA $257 flight on Tue, Jul 14, 2026Opens in a new window

Popular airlines from Ontario Intl. Airport (ONT) to Pittsburgh International Airport (PIT)

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Cheap flights from Ontario Intl. Airport (ONT) to Pittsburgh (PIT)

Prices were available within the past 7 days and start at CA $257 for one-way flights and CA $514 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Jul 14 - Tue, Jul 21
ONT
Ontario
PIT
Pittsburgh
CA $514 Roundtrip, found 3 days ago
CA $514
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Jul 14 from Ontario to Pittsburgh, returning Tue, Jul 21, priced at CA $514 found 3 days ago
American Airlines
Tue, Jul 14 - Tue, Jul 21
ONT
Ontario
PIT
Pittsburgh
CA $557 Roundtrip, found 3 days ago
CA $557
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Jul 14 from Ontario to Pittsburgh, returning Tue, Jul 21, priced at CA $557 found 3 days ago
Delta
Tue, Jul 14 - Tue, Jul 21
ONT
Ontario
PIT
Pittsburgh
CA $664 Roundtrip, found 3 days ago
CA $664
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Jul 14 from Ontario to Pittsburgh, returning Tue, Jul 21, priced at CA $664 found 3 days ago
American Airlines
Tue, Jul 14 - Tue, Jul 21
ONT
Ontario
PIT
Pittsburgh
CA $679 Roundtrip, found 3 days ago
CA $679
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Jul 14 from Ontario to Pittsburgh, returning Tue, Jul 21, priced at CA $679 found 3 days ago
American Airlines
Tue, Jul 14 - Tue, Jul 21
ONT
Ontario
PIT
Pittsburgh
CA $699 Roundtrip, found 3 days ago
CA $699
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Jul 14 from Ontario to Pittsburgh, returning Tue, Jul 21, priced at CA $699 found 3 days ago
Delta
Tue, Jul 14 - Tue, Jul 21
ONT
Ontario
PIT
Pittsburgh
CA $706 Roundtrip, found 3 days ago
CA $706
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Jul 14 from Ontario to Pittsburgh, returning Tue, Jul 21, priced at CA $706 found 3 days ago
Delta
Tue, Jul 14 - Tue, Jul 21
ONT
Ontario
PIT
Pittsburgh
CA $749 Roundtrip, found 3 days ago
CA $749
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Jul 14 from Ontario to Pittsburgh, returning Tue, Jul 21, priced at CA $749 found 3 days ago
United
Tue, Jul 14 - Tue, Jul 21
ONT
Ontario
PIT
Pittsburgh
CA $764 Roundtrip, found 3 days ago
CA $764
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jul 14 from Ontario to Pittsburgh, returning Tue, Jul 21, priced at CA $764 found 3 days ago
United
Tue, Jul 14 - Tue, Jul 21
ONT
Ontario
PIT
Pittsburgh
CA $765 Roundtrip, found 3 days ago
CA $765
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jul 14 from Ontario to Pittsburgh, returning Tue, Jul 21, priced at CA $765 found 3 days ago
United
Tue, Jul 14 - Tue, Jul 21
ONT
Ontario
PIT
Pittsburgh
CA $785 Roundtrip, found 3 days ago
CA $785
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jul 14 from Ontario to Pittsburgh, returning Tue, Jul 21, priced at CA $785 found 3 days ago

Frequently asked questions

How much is a flight from Ontario Airport to Pittsburgh Intl. Airport (PIT)?
If you're travelling from ONT to PIT, round-trip journeys start from CA $514. This price is based on fares quoted within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal pass you by. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Los Angeles - Ontario Intl. Airport (ONT) to PIT?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from Los Angeles - Ontario Intl. Airport (ONT) to Pittsburgh Intl. Airport (PIT) that have flexible change policies?
Select our "No change fees" filter to find flexible ticketing options for your flight from Ontario Airport to PIT. This allows you to snag a great price in advance and still have the freedom to make changes without any additional fees. Just keep in mind that fare differences may still apply.
How many hours is the flight from Ontario Airport to Pittsburgh Intl. Airport (PIT)?
The flight time from ONT to Pittsburgh Intl. Airport (PIT) is roughly 5 hours and 26 minutes. Put your earphones in, listen to a gripping podcast and your time in the air will fly by.
How far is the flight from Ontario Airport to Pittsburgh Airport?
You'll be cruising at altitude for a while, as the flight distance between Los Angeles - Ontario Intl. Airport (ONT) and Pittsburgh Intl. Airport (PIT) is 3,400 kilometres. Create a playlist of your favourite songs before you leave home to stay entertained during the trip.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Pittsburgh Intl. Airport (PIT)?
Flying directly between Los Angeles - Ontario Intl. Airport (ONT) and Pittsburgh Airport isn't possible at the moment. However, you'll still be able to find a flight to Pittsburgh with at least one stop.
Are ONT to Pittsburgh Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices are constantly going up and down, so there are no guarantees. While last-minute deals between Ontario Airport and Pittsburgh Intl. Airport (PIT) are of course possible, it also makes sense to monitor prices well before you fly. In fact, some carriers advertise their prices up to a year before the departure date. Expedia is continuously updating the best bargains around, so keep checking back and be ready to secure your seat when the fares dip.

Travel information

Origin airport
Ontario Intl. Airport
Destination airport
Pittsburgh Intl.
Roundtrip price
CA $513
Distance
3334 km

Book with confidence

Los Angeles to Pittsburgh Flights

The easy way to book your flights from Ontario Intl. Airport to Pittsburgh 

With Expedia, it’s simple to find and book flights to Pittsburgh from Ontario Intl. Airport whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Pittsburgh Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Ontario Intl. Airport to Pittsburgh today, tomorrow, or this week.  

 

Save dollars with cheap flights from Ontario Intl. Airport, ONT to Pittsburgh Intl., PIT 

Sort your search results by price to find great deals on your flight from Ontario Intl. Airport to Pittsburgh—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Pittsburgh from Ontario Intl. Airport currently is just CA $514 rising to CA $785.  

Here are more money-saving tips: 

  • Fly in July when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Pittsburgh  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Pittsburgh from Ontario Intl. Airport 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Pittsburgh with Expedia today.

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