How many flights depart from Ontario to Pittsburgh on average per week?

The number of flights available between Ontario and Pittsburgh is 1 per week as of December 2025. The most frequent departure day is Mon, with 100% of weekly flights leaving on this day.

What airlines fly to Pittsburgh?

American Airlines, Breeze Airways and Delta 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 59% of people opting to fly with this airline when traveling to Pittsburgh. Keep in mind that there are 7 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?

Frontier is the most popular carrier 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 December 2025, 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.

$74 Cheap Flights from Ontario to Pittsburgh in 2025/26

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Find the cheapest flights from Ontario to Pittsburgh

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Cheap round-trip flights

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6:00 am - 6:46 pmONT-PIT

9h 46m1 stop

7:00 am - 10:59 amPIT-ONT

30h 59m1 stop

$284Alaska Airlines

Find Deal

Thu, Jan 8 - Sun, Jan 11

6:45 am - 4:12 pmONT-PIT

6h 27m1 stop

5:07 pm - 11:59 pmPIT-ONT

9h 52m1 stop

$288Frontier

Find Deal

Fri, Dec 19 - Mon, Dec 22

7:30 am - 10:56 pmONT-PIT

12h 26m2 stops

6:19 am - 1:56 pmPIT-ONT

10h 37m2 stops

$296Delta

Find Deal

Tue, Jan 13 - Wed, Jan 28

4:03 pm - 6:46 pmONT-PIT

23h 43m1 stop

7:00 am - 11:56 pmPIT-ONT

19h 56m1 stop

$304Alaska Airlines

Find Deal

Thu, Jan 22 - Mon, Jan 26

6:00 am - 6:46 pmONT-PIT

9h 46m1 stop

7:00 am - 10:59 amPIT-ONT

30h 59m1 stop

$324Alaska Airlines

Find Deal

Thu, Jan 22 - Sun, Jan 25

6:30 am - 4:20 pmONT-PIT

6h 50m1 stop

5:40 am - 10:40 amPIT-ONT

8h 00m1 stop

$328Southwest

Find Deal

Mon, Jan 12 - Mon, Jan 19

6:45 am - 4:12 pmONT-PIT

6h 27m1 stop

5:07 pm - 11:59 pmPIT-ONT

9h 52m1 stop

$332Frontier

Find Deal

Fri, Dec 26 - Fri, Jan 2

6:30 am - 8:00 pmONT-PIT

10h 30m2 stops

5:40 am - 10:40 amPIT-ONT

8h 00m1 stop

$333Southwest

Find Deal

Mon, Jan 12 - Mon, Jan 19

6:45 am - 4:12 pmONT-PIT

6h 27m1 stop

5:07 pm - 11:59 pmPIT-ONT

9h 52m1 stop

$337Frontier

Find Deal

Fri, Dec 19 - Fri, Jan 2

4:03 pm - 6:46 pmONT-PIT

23h 43m1 stop

7:31 pm - 10:44 pmPIT-ONT

30h 13m1 stop

$343Alaska Airlines

Find Deal

Tue, Feb 10 - Mon, Feb 16

Alaska Airlines flights from Ontario to Pittsburgh

Our best Alaska Airlines deals on Ontario to Pittsburgh flight tickets

Alaska Airlines

Jan 8

ONT6:00 amOntario

9h 46m

1 stop

PIT6:46 pmPittsburgh

Jan 11

PIT7:00 amPittsburgh

30h 59m

1 stop

ONT10:59 amOntario

$284

Find similar

Alaska Airlines

Jan 22

ONT4:03 pmOntario

23h 43m

1 stop

PIT6:46 pmPittsburgh

Jan 26

PIT7:00 amPittsburgh

19h 56m

1 stop

ONT11:56 pmOntario

$304

Find similar

Alaska Airlines

Jan 22

ONT6:00 amOntario

9h 46m

1 stop

PIT6:46 pmPittsburgh

Jan 25

PIT7:00 amPittsburgh

30h 59m

1 stop

ONT10:59 amOntario

$324

Find similar

Frontier flights from Ontario to Pittsburgh

Our best Frontier deals on Ontario to Pittsburgh flight tickets

Frontier

Dec 19

ONT6:45 amOntario

6h 27m

1 stop

PIT4:12 pmPittsburgh

Dec 22

PIT5:07 pmPittsburgh

9h 52m

1 stop

ONT11:59 pmOntario

$288

Find similar

Frontier

Dec 26

ONT6:45 amOntario

6h 27m

1 stop

PIT4:12 pmPittsburgh

Jan 2

PIT5:07 pmPittsburgh

9h 52m

1 stop

ONT11:59 pmOntario

$332

Find similar

Frontier

Dec 19

ONT6:45 amOntario

6h 27m

1 stop

PIT4:12 pmPittsburgh

Jan 2

PIT5:07 pmPittsburgh

9h 52m

1 stop

ONT11:59 pmOntario

$337

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Thu 1/8

6:00 am-6:46 pm

1 stop9h 46m

Pittsburgh

Sun 1/11

7:00 am-10:59 am

1 stop30h 59m

$284

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Fri 12/19

6:45 am-4:12 pm

1 stop6h 27m

Pittsburgh

Mon 12/22

5:07 pm-11:59 pm

1 stop9h 52m

$288

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Tue 1/13

7:30 am-10:56 pm

2 stops12h 26m

Pittsburgh

Wed 1/28

6:19 am-1:56 pm

2 stops10h 37m

$296

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Thu 1/22

4:03 pm-6:46 pm

1 stop23h 43m

Pittsburgh

Mon 1/26

7:00 am-11:56 pm

1 stop19h 56m

$304

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Thu 1/22

6:00 am-6:46 pm

1 stop9h 46m

Pittsburgh

Sun 1/25

7:00 am-10:59 am

1 stop30h 59m

$324

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Mon 1/12

6:30 am-4:20 pm

1 stop6h 50m

Pittsburgh

Mon 1/19

5:40 am-10:40 am

1 stop8h 00m

$328

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Fri 12/26

6:45 am-4:12 pm

1 stop6h 27m

Pittsburgh

Fri 1/2

5:07 pm-11:59 pm

1 stop9h 52m

$332

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Mon 1/12

6:30 am-8:00 pm

2 stops10h 30m

Pittsburgh

Mon 1/19

5:40 am-10:40 am

1 stop8h 00m

$333

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Fri 12/19

6:45 am-4:12 pm

1 stop6h 27m

Pittsburgh

Fri 1/2

5:07 pm-11:59 pm

1 stop9h 52m

$337

OntarioPittsburgh

ONT - PIT

ONTPIT

Ontario

Tue 2/10

4:03 pm-6:46 pm

1 stop23h 43m

Pittsburgh

Mon 2/16

7:31 pm-10:44 pm

1 stop30h 13m

$343

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

Other information

What is the cheapest month to fly to Pittsburgh?

In general, August 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 $377. The month of September is another great option to travel to Pittsburgh, with average flight prices from Ontario averaging around $381.

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 $273. 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 $386. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our data shows that the cheapest Ontario to Pittsburgh flights are usually those with departure times in the morning. Our users have found flights to Pittsburgh in the morning for as low as $325. Flights to Pittsburgh are more costly at noon, with an average ticket price of $354. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $447 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 December 2025, prices for Ontario to Pittsburgh flights are approximately 87% 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	5h 51m
Direct flights	None

The fastest flight from Ontario to Pittsburgh takes 5h 51m

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

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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 10m.
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 December 2025, 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 49% of the total bookings. Other popular airlines include American Airlines with 24%, United Airlines with 14%, and Delta with 13%.

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
Delta	PriceFrom $296	Free Cancellation	Rating 7.9 8,010 reviews	Search Delta flights
Southwest	PriceFrom $306	Free Cancellation	Rating 8.0 4,253 reviews	Search Southwest flights
United Airlines	PriceFrom $310	Free Cancellation	Rating 7.4 9,065 reviews	Search United Airlines flights
American Airlines	PriceFrom $317	Free Cancellation	Rating 7.2 11,041 reviews	Search American Airlines flights

Southwest Flights From Ontario to Pittsburgh
The lowest priced Southwest flight from Ontario to Pittsburgh from the last 72 hours was $306. Generally, Southwest has 1 flight on this route every week with an average price of $416. Southwest is rated 8.0/10 by our users.

Washington

Monroeville

Wheeling

Butler

Canonsburg

Triadelphia

New Castle

West Mifflin

Steubenville

Belle Vernon

Moon

Coraopolis

Wexford

Mars

Freeport

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.