Cheap Flight Tickets from Ontario (ONT) to Pittsburgh (PIT), Starting at $504

Good to Know: Cheapest and Fastest ONT - PIT Flights

Useful information for finding best airline tickets from Ontario International to Pittsburgh International on your next trip.

Cheapest Round Trip Flight

$504

AS Alaska Airlines • 2 stops • 20h 45m

Aug 08 – Aug 10

The cheapest round trip flight from Ontario to Pittsburgh (ONT-PIT-ONT) is currently $504

🔍 Search Flights

Fastest Flight

13h 30m

The fastest nonstop flight from Ontario to Pittsburgh (ONT-PIT) takes 13h 30m

Top Airlines Flying from Ontario to Pittsburgh

Alaska Airlines -AS

Alaska Airlines

Delta Airline, DL

Delta Airlines

Latest Flight Deals from Ontario (ONT) to Pittsburgh (PIT)

Compare and book low fare round-trip air tickets from Ontario to Pittsburgh. Ideal for travelers with confirmed return itineraries.

Aug 08 - Aug 10, Economy
AS
Ontario → Pittsburgh
20h 45m
6:02 AM - 9:47 PM • 2 stops
AS
Ontario → Pittsburgh
14h 15m
6:10 PM - 12:05 AM • 1 stop
$504
Alaska Airlines
Aug 07 - Aug 09, Economy
AS
Ontario → Pittsburgh
13h 30m
6:02 AM - 5:12 PM • 1 stop
AS
Ontario → Pittsburgh
19h 15m
7:30 AM - 4:25 PM • 1 stop
$541
Alaska Airlines
Aug 08 - Aug 10, Economy
AS
Ontario → Pittsburgh
33h 30m
7:00 AM - 6:10 AM • 2 stops
AS
Ontario → Pittsburgh
14h 15m
6:10 PM - 12:05 AM • 1 stop
$591
Alaska Airlines
Aug 08 - Aug 10, Economy
AS
Ontario → Pittsburgh
25h 1m
5:32 PM - 11:33 AM • 2 stops
AS
Ontario → Pittsburgh
21h 53m
10:17 AM - 8:30 PM • 2 stops
$616
Alaska Airlines
Aug 08 - Aug 10, Economy
AS
Ontario → Pittsburgh
20h 45m
6:02 AM - 9:47 PM • 2 stops
AS
Ontario → Pittsburgh
21h 53m
10:17 AM - 8:30 PM • 2 stops
$616
Alaska Airlines
Aug 07 - Aug 09, Economy
B6
Ontario → Pittsburgh
32h 9m
11:59 PM - 10:28 PM • 2 stops
B6
Ontario → Pittsburgh
34h 4m
6:15 AM - 11:59 PM • 1 stop
$685
JetBlue Airways

Fly from Ontario to Pittsburgh with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Ontario to Pittsburgh? Find the biggest savings on one-way and round-trip tickets right here.

FAQs on Ontario to Pittsburgh Flights

What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to PIT?
The most popular airline flying from Ontario to Pittsburgh are
Can I fly from ONT to PIT non-stop?
NO
Which airlines fly nonstop between Ontario and Pittsburgh?
The non-stop flights between Ontario and Pittsburgh are .
What’s the earliest departure time from ONT to PIT Airport?
The earliest flight leaves ONT at 6:02 am and lands in PIT - Pittsburgh International
What are the airports in Pittsburgh?
PIT
Can I make changes to my Ontario to Pittsburgh flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ONT to PIT?
Read the fare rules of the Ontario to Pittsburgh air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Ontario and Pittsburgh?
operate flights between Ontario and Pittsburgh
How long does a flight from Ontario to Pittsburgh take?
It takes approximately 5 hour to fly non-stop from ONT to PIT, which is 2090.3 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Pittsburgh (PIT) ?
In the past couple of days, the cheapest tickets to PIT from ONT were found on AS : USD 541
Do I need a passport to fly between ONT and PIT?
No
What’s the latest departure time from ONT to PIT ?
The last flight leaves ONT at 11:59 pm

Essential Information for Booking Flights from Ontario (ONT) - AI Insights

What's the cheapest airline from ont to pit?
You can find cheap airline tickets from Ontario to Pittsburgh on Southwest Airlines. As a business class passenger, you'll enjoy priority check-in, lounge access, and flatbed seats. Booking in advance is recommended, as it's best to book at least 30 days prior to your one-way trip for the cheapest fares.
What's the popular airline to fly from ont to pit?
You can fly from Ontario International Airport (ONT) to Pittsburgh International Airport (PIT) on Southwest Airlines (WN), which offers a premium business class experience with priority check-in, lounge access, and flatbed seats. This is a great option for your one-way trip, as you'll have the opportunity to enjoy a comfortable flight without any stops. Booking in advance will help you secure the best fares, so consider making your reservation at least 30 days prior to your departure.
What's the cheapest day of the week to fly from ont to pit?
The cheapest day to fly from Ontario International Airport (ONT) to Pittsburgh International Airport (PIT) is Sunday. Flying on Sundays can result in lower fares compared to other days of the week.
What's the cheapest month to fly from ont to pit?
The cheapest month to fly from Ontario International Airport (ONT) to Pittsburgh International Airport (PIT) is September. Flying in this month can help you secure a budget-friendly flight.
Which airline/airlines fly from ont to pit?
The airlines that fly from Ontario International Airport (ONT) to Pittsburgh International Airport (PIT) include American Airlines, Volaris Airline, JetBlue Airways, Southwest Airlines, United Airlines, Delta Airlines, Mexicana, Frontier Airlines, and Alaska Airlines.
What is the cheapest flight from Ontario International Airport to Pittsburgh International Airport?
You can find the cheapest flights on fareleaders.com, a leading airfare comparison platform. Currently, Southwest Airlines offers the best deals for this route.
How can I book cheap flights with airlines like Southwest Airlines?
To book affordable flights with Southwest Airlines or other airlines featured on fareleaders.com, simply visit our website and compare fares. You can also sign up for our newsletter to receive exclusive travel deals.
Can I get a non-refundable airfare for my one-way trip?
Yes, you can book a non-refundable airfare for your one-way trip on fareleaders.com. Our website allows you to filter search results by fare type, including non-refundable options.
When should I make my advance booking for a web-based airline booking experience?
For the best deals, it's recommended to book your flights at least 30 days in advance, as suggested by the trip details. This will give you access to our exclusive weekend travel deals.
Are there any weekend travel deals available on fareleaders.com?
Yes, we offer special weekend travel deals for our users. By booking your flights during these periods, you can save even more money on your next trip.

Ontario (ONT) to Pittsburgh (PIT): Airport Information

Origin Airport Ontario International , Ontario, US
Destination Airport Pittsburgh International , Pittsburgh, US
Distance 2090 miles

More Flight Options for Ontario (ONT) and Pittsburgh (PIT)

Why Fareleaders for ONT to PIT Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on Ontario to Pittsburgh flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on ONT to PIT flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of Ontario to Pittsburgh flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the Ontario (ONT) to Pittsburgh (PIT)
Terms and Conditions*