What airlines fly to Pittsburgh?

American Airlines, Breeze Airways and United Airlines are the top three most popular airlines that fly to Pittsburgh from Ontario according to our data. American Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Pittsburgh. Keep in mind that there are 8 different airlines that fly to Pittsburgh on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ontario to Pittsburgh?

Delta and Alaska Airlines are the most popular carriers operating from Ontario to Pittsburgh

When did momondo last update prices for flights from Ontario Airport to Pittsburgh Airport?

Prices for flights from Ontario Airport to Pittsburgh Airport are updated daily.

How many operators does momondo search for flights from Ontario Airport to Pittsburgh Airport?

As of April 2026, there are 4 operators available to choose from for flights from Ontario Airport to Pittsburgh Airport.

How old do you have to be to fly from Ontario Airport to Pittsburgh Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Pittsburgh Airport.

What documentation or ID do you need to fly to Pittsburgh Airport?

The travel and health documents you'll need for your trip to Pittsburgh Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Pittsburgh Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$150 Cheap Flights from Ontario to Pittsburgh in 2026

Q: What is the typical price of a round-trip flight between Ontario and Pittsburgh?

Prices are currently low for flights on this route. Typical prices usually range from $582 to $386. The lowest price recently found on this route was $355.

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Ontario to Pittsburgh

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:55 pm - 10:15 am

ONT

PIT

7h 20m

1 stop

3:55 pm - 9:15 pm

PIT

ONT

8h 20m

1 stop

$355Southwest

Mon, Apr 20 - Fri, Apr 24

11:55 pm - 11:50 am

ONT

PIT

8h 55m

2 stops

5:35 pm - 11:05 pm

PIT

ONT

8h 30m

1 stop

$360Southwest

Mon, Apr 20 - Fri, Apr 24

12:19 pm - 10:24 pm

ONT

PIT

7h 05m

1 stop

7:35 pm - 11:46 pm

PIT

ONT

7h 11m

1 stop

$365American Airlines

Sat, Apr 18 - Sat, Apr 25

11:55 pm - 11:50 am

ONT

PIT

8h 55m

2 stops

3:55 pm - 11:05 pm

PIT

ONT

10h 10m

2 stops

$366Southwest

Mon, Apr 20 - Fri, Apr 24

10:22 am - 10:07 pm

ONT

PIT

8h 45m

1 stop

7:43 am - 12:05 pm

PIT

ONT

7h 22m

1 stop

$377American Airlines

Tue, Jun 2 - Tue, Jun 9

6:00 am - 4:35 pm

ONT

PIT

7h 35m

1 stop

5:32 pm - 10:43 pm

PIT

ONT

8h 11m

1 stop

$378Delta

Sat, Apr 25 - Sat, May 2

7:12 pm - 8:54 am

ONT

PIT

10h 42m

2 stops

7:43 am - 12:05 pm

PIT

ONT

7h 22m

1 stop

$382American Airlines

Tue, Jun 2 - Tue, Jun 9

7:12 pm - 8:54 am

ONT

PIT

10h 42m

2 stops

3:30 pm - 9:57 pm

PIT

ONT

9h 27m

2 stops

$387American Airlines

Tue, Jun 2 - Tue, Jun 9

9:24 am - 11:17 pm

ONT

PIT

10h 53m

2 stops

10:55 am - 6:22 pm

PIT

ONT

10h 27m

2 stops

$395American Airlines

Wed, May 20 - Tue, May 26

7:12 pm - 8:54 am

ONT

PIT

10h 42m

2 stops

5:00 am - 12:05 pm

PIT

ONT

10h 05m

2 stops

$400American Airlines

Tue, Jun 2 - Tue, Jun 9

American Airlines flights from Ontario to Pittsburgh

Our best American Airlines deals on Ontario to Pittsburgh flight tickets

American Airlines

Apr 18

ONT12:19 pmOntario

7h 05m

1 stop

PIT10:24 pmPittsburgh

Apr 25

PIT7:35 pmPittsburgh

7h 11m

1 stop

ONT11:46 pmOntario

$365

American Airlines

Jun 2

ONT10:22 amOntario

8h 45m

1 stop

PIT10:07 pmPittsburgh

Jun 9

PIT7:43 amPittsburgh

7h 22m

1 stop

ONT12:05 pmOntario

$377

American Airlines

Jun 2

ONT7:12 pmOntario

10h 42m

2 stops

PIT8:54 amPittsburgh

Jun 9

PIT7:43 amPittsburgh

7h 22m

1 stop

ONT12:05 pmOntario

$382

United Airlines flights from Ontario to Pittsburgh

Our best United Airlines deals on Ontario to Pittsburgh flight tickets

United Airlines

Apr 28

ONT6:05 amOntario

6h 44m

1 stop

PIT3:49 pmPittsburgh

Apr 30

PIT6:15 amPittsburgh

9h 07m

1 stop

ONT12:22 pmOntario

$450

United Airlines

Apr 21

ONT6:05 amOntario

6h 44m

1 stop

PIT3:49 pmPittsburgh

Apr 24

PIT4:18 pmPittsburgh

7h 18m

1 stop

ONT8:36 pmOntario

$465

United Airlines

May 2

ONT6:00 amOntario

9h 09m

1 stop

PIT6:09 pmPittsburgh

May 5

PIT5:58 pmPittsburgh

7h 37m

1 stop

ONT10:35 pmOntario

$476

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Mon 4/20

11:55 pm-10:15 am

1 stop7h 20m

Pittsburgh

Fri 4/24

3:55 pm-9:15 pm

1 stop8h 20m

$355

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Mon 4/20

11:55 pm-11:50 am

2 stops8h 55m

Pittsburgh

Fri 4/24

5:35 pm-11:05 pm

1 stop8h 30m

$360

Quickest round-trip

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Sat 4/18

12:19 pm-10:24 pm

1 stop7h 05m

Pittsburgh

Sat 4/25

7:35 pm-11:46 pm

1 stop7h 11m

$365

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Mon 4/20

11:55 pm-11:50 am

2 stops8h 55m

Pittsburgh

Fri 4/24

3:55 pm-11:05 pm

2 stops10h 10m

$366

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Tue 6/2

10:22 am-10:07 pm

1 stop8h 45m

Pittsburgh

Tue 6/9

7:43 am-12:05 pm

1 stop7h 22m

$377

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Sat 4/25

6:00 am-4:35 pm

1 stop7h 35m

Pittsburgh

Sat 5/2

5:32 pm-10:43 pm

1 stop8h 11m

$378

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Tue 6/2

7:12 pm-8:54 am

2 stops10h 42m

Pittsburgh

Tue 6/9

7:43 am-12:05 pm

1 stop7h 22m

$382

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Tue 6/2

7:12 pm-8:54 am

2 stops10h 42m

Pittsburgh

Tue 6/9

3:30 pm-9:57 pm

2 stops9h 27m

$387

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Wed 5/20

9:24 am-11:17 pm

2 stops10h 53m

Pittsburgh

Tue 5/26

10:55 am-6:22 pm

2 stops10h 27m

$395

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Tue 6/2

7:12 pm-8:54 am

2 stops10h 42m

Pittsburgh

Tue 6/9

5:00 am-12:05 pm

2 stops10h 05m

$400

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Pittsburgh

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Ontario and Pittsburgh?

What is the cheapest month to fly to Pittsburgh?

In general, February is the cheapest month to fly from Ontario to Pittsburgh. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $304. The month of December is another great option to travel to Pittsburgh, with average flight prices from Ontario averaging around $341.

What is the cheapest day to depart on your flight to Pittsburgh?

The cheapest day to depart on your flight to Pittsburgh is on a Wednesday when prices can be found for as low as $282. This is often the case because there is less demand to fly during this day of the week. Flights from Ontario to Pittsburgh on a Monday will generally be more expensive and average around $424. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

How far in advance should I book a flight to Pittsburgh?

You are more likely to see cheaper flights to Pittsburgh from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Pittsburgh for around $408 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Pittsburgh from Ontario for as low as $286 on momondo.

How have Ontario to Pittsburgh flight prices changed over time?

As of April 2026, prices for Ontario to Pittsburgh flights are approximately 20% more expensive when compared to flights at the same time last year.

When to book flights from Ontario to Pittsburgh

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Pittsburgh according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to Pittsburgh (ONT to PIT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Pittsburgh

Fastest flight time	6h 16m
Direct flights	None

The fastest flight from Ontario to Pittsburgh takes 6h 16m

There are no direct flights from Ontario to Pittsburgh. There are no popular flight routes from Ontario to Pittsburgh.

Search flight deals

Frequently asked questions about flying from Ontario to Pittsburgh

How far is Ontario to Pittsburgh by plane?
A flight from Ontario to Pittsburgh will travel around 2099.2 mi. In terms of flight time, this usually takes a little over 6h 16m.
When did momondo last update prices for flights from Ontario Airport to Pittsburgh Airport?
Prices for flights from Ontario Airport to Pittsburgh Airport are updated daily.
How many operators does momondo search for flights from Ontario Airport to Pittsburgh Airport?
As of April 2026, there are 4 operators available to choose from for flights from Ontario Airport to Pittsburgh Airport.
How old do you have to be to fly from Ontario Airport to Pittsburgh Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Pittsburgh Airport.
What documentation or ID do you need to fly to Pittsburgh Airport?
The travel and health documents you'll need for your trip to Pittsburgh Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Pittsburgh Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Ontario to Pittsburgh?
Based on momondo bookings for flights between Ontario and Pittsburgh, the leading airline is Southwest, making up 53% of the total bookings. Other popular airlines include American Airlines with 22%, United Airlines with 14%, and Delta with 11%.

Best airlines flying from Ontario to Pittsburgh

Compare and see reviews for airlines that fly from Ontario to Pittsburgh with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $285	Free Cancellation	Rating 7.1 11,544 reviews	Search American Airlines flights
Delta	PriceFrom $296	Free Cancellation	Rating 7.9 8,368 reviews	Search Delta flights
Southwest	PriceFrom $306	Free Cancellation	Rating 8.0 4,335 reviews	Search Southwest flights
United Airlines	PriceFrom $310	Free Cancellation	Rating 7.4 9,529 reviews	Search United Airlines flights

Washington

Monroeville

Wheeling

Butler

Canonsburg

Triadelphia

New Castle

West Mifflin

Belle Vernon

Steubenville

Coraopolis

Moon

Mars

Wexford

Cadiz

Chester

Bridgeport

Edgewood

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Pittsburgh?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Pittsburgh from Ontario.

Can I find flights from Ontario to Pittsburgh with flexible booking policies on momondo?

All flight searches from Ontario to Pittsburgh on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Pittsburgh?

Once you have performed a search for Ontario to Pittsburgh flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ontario to Pittsburgh right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Pittsburgh now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Pittsburgh and let you know when they change.