Which layover airport has the shortest travel time from Pittsburgh to Ontario?

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 7h 00m.

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

Frontier, Alaska Airlines, and United Airlines are the most popular carriers operating from Pittsburgh to Ontario

Which airport is the most popular layover for flights between Pittsburgh and Ontario?

Dallas (DFW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

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

The number of flights available between Pittsburgh and Ontario is 3 per week as of November 2025. The most frequent departure day is Thu, with 33% of weekly flights leaving on this day.

Which layover airport has the shortest connection time from Pittsburgh to Ontario?

Dallas (DFW) has the shortest average layover time for this route: 0h 57m.

What airlines fly to Ontario?

American Airlines, Southwest and Breeze Airways are the top three most popular airlines that fly to Ontario from Pittsburgh according to our data. American Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Pittsburgh to Ontario?

Flights via Dallas (DFW) offer the lowest average round-trip price of $392.

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

Prices for flights from Pittsburgh Airport to Ontario Airport refresh daily.

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

The number of operators available for flights from Pittsburgh Airport to Ontario Airport is 3 as of November 2025.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pittsburgh Airport to Ontario Airport.

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

The travel and health documents you'll need for your trip to Ontario 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 Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$113 Cheap Flights from Pittsburgh to Ontario in 2025/26

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7:59 pm - 12:20 amPIT-ONT

7h 21m1 stop

6:20 am - 7:04 pmONT-PIT

9h 44m1 stop

$138Frontier

Find Deal

Fri, Feb 6 - Mon, Feb 9

5:07 pm - 11:59 pmPIT-ONT

9h 52m1 stop

6:45 am - 4:12 pmONT-PIT

6h 27m1 stop

$213Frontier

Find Deal

Fri, Dec 19 - Fri, Dec 26

5:02 pm - 11:57 pmPIT-ONT

9h 55m1 stop

12:58 am - 4:07 pmONT-PIT

12h 09m1 stop

$248Frontier

Find Deal

Sat, Nov 22 - Mon, Nov 24

5:07 pm - 11:59 pmPIT-ONT

9h 52m1 stop

6:45 am - 4:12 pmONT-PIT

6h 27m1 stop

$278Frontier

Find Deal

Mon, Dec 22 - Fri, Dec 26

7:00 am - 3:08 pmPIT-ONT

11h 08m1 stop

4:03 pm - 6:46 pmONT-PIT

23h 43m1 stop

$294Alaska Airlines

Find Deal

Fri, Feb 6 - Tue, Feb 10

7:00 am - 11:56 pmPIT-ONT

19h 56m1 stop

6:00 am - 6:46 pmONT-PIT

9h 46m1 stop

$304Alaska Airlines

Find Deal

Fri, Feb 6 - Mon, Feb 9

5:52 pm - 10:28 pmPIT-ONT

7h 36m1 stop

11:59 pm - 10:42 amONT-PIT

7h 43m1 stop

$314American Airlines

Find Deal

Wed, Dec 3 - Sun, Dec 7

6:00 am - 11:06 amPIT-ONT

8h 06m1 stop

6:00 am - 4:34 pmONT-PIT

7h 34m1 stop

$315Delta

Find Deal

Mon, Nov 24 - Thu, Nov 27

5:07 pm - 11:59 pmPIT-ONT

9h 52m1 stop

6:45 am - 4:12 pmONT-PIT

6h 27m1 stop

$317Frontier

Find Deal

Fri, Dec 19 - Fri, Dec 26

3:43 pm - 10:28 pmPIT-ONT

9h 45m1 stop

9:59 am - 11:07 pmONT-PIT

10h 08m2 stops

$320American Airlines

Find Deal

Wed, Dec 3 - Wed, Dec 10

Delta flights from Pittsburgh to Ontario

Our best Delta deals on Pittsburgh to Ontario flight tickets

Delta

Nov 24

PIT6:00 amPittsburgh

8h 06m

1 stop

ONT11:06 amOntario

Nov 27

ONT6:00 amOntario

7h 34m

1 stop

PIT4:34 pmPittsburgh

$315

Find similar

Delta

Dec 10

PIT3:35 pmPittsburgh

11h 23m

2 stops

ONT11:58 pmOntario

Dec 17

ONT6:00 amOntario

9h 35m

2 stops

PIT6:35 pmPittsburgh

$343

Find similar

Delta

Mar 10

PIT5:30 pmPittsburgh

9h 22m

1 stop

ONT11:52 pmOntario

Mar 11

ONT10:30 pmOntario

7h 43m

1 stop

PIT9:13 amPittsburgh

$351

Find similar

Alaska Airlines flights from Pittsburgh to Ontario

Our best Alaska Airlines deals on Pittsburgh to Ontario flight tickets

Alaska Airlines

Feb 26

PIT7:31 pmPittsburgh

31h 01m

1 stop

ONT11:32 pmOntario

Mar 4

ONT6:14 amOntario

9h 21m

1 stop

PIT6:35 pmPittsburgh

$294

Find similar

Alaska Airlines

Feb 6

PIT7:00 amPittsburgh

19h 56m

1 stop

ONT11:56 pmOntario

Feb 8

ONT6:00 amOntario

9h 46m

1 stop

PIT6:46 pmPittsburgh

$304

Find similar

Alaska Airlines

Feb 26

PIT7:31 pmPittsburgh

31h 01m

1 stop

ONT11:32 pmOntario

Mar 3

ONT4:02 pmOntario

23h 33m

1 stop

PIT6:35 pmPittsburgh

$313

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Fri 2/6

7:59 pm-12:20 am

1 stop7h 21m

Ontario

Mon 2/9

6:20 am-7:04 pm

1 stop9h 44m

$138

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Fri 12/19

5:07 pm-11:59 pm

1 stop9h 52m

Ontario

Fri 12/26

6:45 am-4:12 pm

1 stop6h 27m

$213

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Sat 11/22

5:02 pm-11:57 pm

1 stop9h 55m

Ontario

Mon 11/24

12:58 am-4:07 pm

1 stop12h 09m

$248

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Mon 12/22

5:07 pm-11:59 pm

1 stop9h 52m

Ontario

Fri 12/26

6:45 am-4:12 pm

1 stop6h 27m

$278

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Fri 2/6

7:00 am-3:08 pm

1 stop11h 08m

Ontario

Tue 2/10

4:03 pm-6:46 pm

1 stop23h 43m

$294

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Fri 2/6

7:00 am-11:56 pm

1 stop19h 56m

Ontario

Mon 2/9

6:00 am-6:46 pm

1 stop9h 46m

$304

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Wed 12/3

5:52 pm-10:28 pm

1 stop7h 36m

Ontario

Sun 12/7

11:59 pm-10:42 am

1 stop7h 43m

$314

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Mon 11/24

6:00 am-11:06 am

1 stop8h 06m

Ontario

Thu 11/27

6:00 am-4:34 pm

1 stop7h 34m

$315

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Fri 12/19

5:07 pm-11:59 pm

1 stop9h 52m

Ontario

Fri 12/26

6:45 am-4:12 pm

1 stop6h 27m

$317

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Wed 12/3

3:43 pm-10:28 pm

1 stop9h 45m

Ontario

Wed 12/10

9:59 am-11:07 pm

2 stops10h 08m

$320

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How to get the cheapest flight ticket from Pittsburgh to Ontario

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

Layovers

Other information

What is the cheapest month to fly to Ontario?

In general, April is the cheapest month to fly from Pittsburgh to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $382. If you aren’t able to travel during the month of April, then book flights to Ontario from Pittsburgh during July instead. Flights to Ontario in July, while not as cheap as those in April, still average around $402.

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

The cheapest day to depart on your flight to Ontario is on a Friday when prices can be found for as low as $396. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Pittsburgh to Ontario for around $527.

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

At noon is the cheapest time of day to fly from Pittsburgh to Ontario when you can find flight prices for as low as $404. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $458 on average. Flights to Ontario from Pittsburgh in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How have Pittsburgh to Ontario flight prices changed over time?

When to book flights from Pittsburgh to Ontario

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

Estimated round-trip price

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

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

Direct flights	None

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

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How far is Pittsburgh to Ontario by plane?
Pittsburgh and Ontario are 2099.2 mi apart from one another. In terms of flight time, this usually takes a little over 7h 15m.
When did momondo last update prices for flights from Pittsburgh Airport to Ontario Airport?
Prices for flights from Pittsburgh Airport to Ontario Airport refresh daily.
How many operators does momondo search for flights from Pittsburgh Airport to Ontario Airport?
The number of operators available for flights from Pittsburgh Airport to Ontario Airport is 3 as of November 2025.
How old do you have to be to fly from Pittsburgh Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pittsburgh Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario 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 Ontario 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 Pittsburgh to Ontario?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Pittsburgh to Ontario is Southwest (46% of total bookings). The next most popular airlines are American Airlines (29%) and United Airlines (26%).

Best airlines flying from Pittsburgh to Ontario

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $296	Free Cancellation	Rating 7.4 9,017 reviews	Search United Airlines flights
Southwest	PriceFrom $303	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
American Airlines	PriceFrom $306	Free Cancellation	Rating 7.2 11,051 reviews	Search American Airlines flights

Southwest Flights From Pittsburgh to Ontario
Southwest flies from Pittsburgh to Ontario around 3 times per week, with 4,242 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Pittsburgh to Ontario in the last 72 hours was $303 (round-trip), much lower than the average airfare cost of $416 for Southwest flights on this route.

Why use momondo?

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

Finding the right flight to Ontario from Pittsburgh is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

Yes. All flights to Ontario from Pittsburgh on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Pittsburgh and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Pittsburgh to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Ontario trip

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Cheap flights from Pittsburgh to Los Angeles from $113

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pittsburgh to Los Angeles departing on 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Pittsburgh to Ontario

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

What is the cheapest month to fly to Ontario?

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

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

How have Pittsburgh to Ontario flight prices changed over time?

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

Frontier, Alaska Airlines, and United Airlines are the most popular carriers operating from Pittsburgh to Ontario

What airlines fly to Ontario?

Which airport is the most popular layover for flights between Pittsburgh and Ontario?

Dallas (DFW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Pittsburgh to Ontario?

Flights via Dallas (DFW) offer the lowest average round-trip price of $392.

Which layover airport has the shortest travel time from Pittsburgh to Ontario?

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 7h 00m.

Which layover airport has the shortest connection time from Pittsburgh to Ontario?

Dallas (DFW) has the shortest average layover time for this route: 0h 57m.

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

The number of flights available between Pittsburgh and Ontario is 3 per week as of November 2025. The most frequent departure day is Thu, with 33% of weekly flights leaving on this day.

When to book flights from Pittsburgh to Ontario

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

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

Direct flights

How far is Pittsburgh to Ontario by plane?

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

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

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

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

What is the most popular airline from Pittsburgh to Ontario?

Best airlines flying from Pittsburgh to Ontario

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

Southwest Flights From Pittsburgh to Ontario

Why use momondo?

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

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

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

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

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California