Cheap Flights from Ontario (ONT) to Pittsburgh (PIT) from HK$2,340~

View HK$2,340 flight on Thu, 30 Apr 2026Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Pittsburgh Intl. Airport (PIT)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Find Cheap Flights from Ontario (ONT) to Pittsburgh (PIT)

Prices were available within the past 7 days and start at HK$2,340 for one-way flights and HK$4,217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 30 Apr - Fri, 15 May
ONT
Ontario
PIT
Pittsburgh
HK$4,217 Return, found 2 days ago
HK$4,217
Return
found 2 days ago
Select Delta flight, departing Thu, 30 Apr from Ontario to Pittsburgh, returning Fri, 15 May, priced at HK$4,217 found 2 days ago
United
Thu, 30 Apr - Fri, 15 May
ONT
Ontario
PIT
Pittsburgh
HK$5,077 Return, found 2 days ago
HK$5,077
Return
found 2 days ago
Select United flight, departing Thu, 30 Apr from Ontario to Pittsburgh, returning Fri, 15 May, priced at HK$5,077 found 2 days ago
American Airlines
Thu, 30 Apr - Fri, 15 May
ONT
Ontario
PIT
Pittsburgh
HK$5,152 Return, found 2 days ago
HK$5,152
Return
found 2 days ago
Select American Airlines flight, departing Thu, 30 Apr from Ontario to Pittsburgh, returning Fri, 15 May, priced at HK$5,152 found 2 days ago
Delta
Thu, 30 Apr - Fri, 15 May
ONT
Ontario
PIT
Pittsburgh
HK$5,163 Return, found 2 days ago
HK$5,163
Return
found 2 days ago
Select Delta flight, departing Thu, 30 Apr from Ontario to Pittsburgh, returning Fri, 15 May, priced at HK$5,163 found 2 days ago
United
Thu, 30 Apr - Fri, 15 May
ONT
Ontario
PIT
Pittsburgh
HK$5,399 Return, found 2 days ago
HK$5,399
Return
found 2 days ago
Select United flight, departing Thu, 30 Apr from Ontario to Pittsburgh, returning Fri, 15 May, priced at HK$5,399 found 2 days ago
American Airlines
Thu, 30 Apr - Fri, 15 May
ONT
Ontario
PIT
Pittsburgh
HK$5,603 Return, found 2 days ago
HK$5,603
Return
found 2 days ago
Select American Airlines flight, departing Thu, 30 Apr from Ontario to Pittsburgh, returning Fri, 15 May, priced at HK$5,603 found 2 days ago
American Airlines
Thu, 30 Apr - Fri, 15 May
ONT
Ontario
PIT
Pittsburgh
HK$5,625 Return, found 2 days ago
HK$5,625
Return
found 2 days ago
Select American Airlines flight, departing Thu, 30 Apr from Ontario to Pittsburgh, returning Fri, 15 May, priced at HK$5,625 found 2 days ago
United
Thu, 30 Apr - Fri, 15 May
ONT
Ontario
PIT
Pittsburgh
HK$5,689 Return, found 2 days ago
HK$5,689
Return
found 2 days ago
Select United flight, departing Thu, 30 Apr from Ontario to Pittsburgh, returning Fri, 15 May, priced at HK$5,689 found 2 days ago
United
Thu, 30 Apr - Fri, 15 May
ONT
Ontario
PIT
Pittsburgh
HK$5,894 Return, found 2 days ago
HK$5,894
Return
found 2 days ago
Select United flight, departing Thu, 30 Apr from Ontario to Pittsburgh, returning Fri, 15 May, priced at HK$5,894 found 2 days ago
American Airlines
Thu, 30 Apr - Fri, 15 May
ONT
Ontario
PIT
Pittsburgh
HK$5,937 Return, found 2 days ago
HK$5,937
Return
found 2 days ago
Select American Airlines flight, departing Thu, 30 Apr from Ontario to Pittsburgh, returning Fri, 15 May, priced at HK$5,937 found 2 days ago

Frequently asked questions

How much is a flight from Los Angeles - Ontario Intl. Airport (ONT) to Pittsburgh Intl. Airport (PIT)?
If you're planning on traveling from ONT to Pittsburgh Airport, round-trip journeys start from HK$4,217. This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year, so don't hang about. Book today and save yourself 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 ONT to Pittsburgh Airport?
Most flights can be canceled online, but each airline has different terms and conditions. If you do decide to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from ONT to PIT that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Los Angeles - Ontario Intl. Airport (ONT) to Pittsburgh Intl. Airport (PIT) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Los Angeles - Ontario Intl. Airport (ONT) to PIT?
The flight time from Los Angeles - Ontario Intl. Airport (ONT) to Pittsburgh Airport is approximately 5 hours and 49 minutes. Put your headphones on, listen to your favorite playlist and your time in the air will whiz by.
How far is the flight from Los Angeles - Ontario Intl. Airport (ONT) to PIT?
Expect to be up above the clouds for a while, as the flight distance from Los Angeles - Ontario Intl. Airport (ONT) to Pittsburgh Airport is 3,400 kilometers. Create a playlist of your favorite tunes before leaving home to keep yourself entertained during your trip.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Pittsburgh Airport?
If you want to travel straight from Los Angeles - Ontario Intl. Airport (ONT) to Pittsburgh Intl. Airport (PIT), you'll have to book a flight with one or more stops. Unfortunately, there aren't any airlines that fly directly on this route.
Are ONT to Pittsburgh Intl. Airport (PIT) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from ONT to PIT can be hit-or-miss. You might be lucky and score a bargain, but then again, you could miss out altogether! If you'd prefer to play it safe and start your trip planning ahead of time, Expedia compares flight deals up to a year in advance. Just keep in mind that not all airlines release their prices that far in advance. Our suggestion? Check back often as prices are updated frequently.

Travel information

Origin airport
Los Angeles - Ontario Intl.
Destination airport
Pittsburgh Intl.
Return price
HK$4,217
Distance
3334 km

Explore a world of travel with Expedia

*Available to Expedia members.