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

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

What airlines fly to Pittsburgh?

American Airlines, United Airlines and Southwest 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 41% of people opting to fly with this airline when traveling to Pittsburgh. Keep in mind that there are 6 different airlines that fly to Pittsburgh on a routine basis, so you have a few additional options to choose from.

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

Flights connecting via Phoenix (PHX) have the shortest average one-way travel time: 6h 40m.

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

Phoenix (PHX) has the shortest average layover time for this route: 1h 13m.

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

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

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

Flights via Phoenix (PHX) offer the lowest average round-trip price of $390.

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 October 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.

$174 Cheap Flights from Ontario to Pittsburgh in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

3:20 pm - 12:20 amONT Ontario-PIT Pittsburgh

6h 00m1 stop Las Vegas Harry Reid Intl

4:55 pm - 8:40 pmPIT Pittsburgh-ONT Ontario

6h 45m1 stop Las Vegas Harry Reid Intl

$312Southwest

Tue, Nov 10 - Tue, Nov 17

5:55 am - 6:30 pmONT Ontario-PIT Pittsburgh

9h 35m2 stops Phoenix Sky Harbor Intl Dallas Love Field

4:55 pm - 8:40 pmPIT Pittsburgh-ONT Ontario

6h 45m1 stop Las Vegas Harry Reid Intl

$318Southwest

Tue, Nov 10 - Tue, Nov 17

6:00 am - 4:07 pmONT Ontario-PIT Pittsburgh

7h 07m1 stop San Francisco

4:58 pm - 9:40 pmPIT Pittsburgh-ONT Ontario

7h 42m1 stop Houston George Bush Intcntl

$372United Airlines

Tue, Nov 10 - Tue, Nov 17

4:17 pm - 5:10 amONT Ontario-PIT Pittsburgh

9h 53m1 stop San Francisco

5:10 pm - 9:40 pmPIT Pittsburgh-ONT Ontario

7h 30m1 stop Houston George Bush Intcntl

$372United Airlines

Thu, Nov 5 - Mon, Nov 9

12:43 pm - 10:52 pmONT Ontario-PIT Pittsburgh

7h 09m1 stop Dallas/Fort Worth

6:00 am - 11:53 amPIT Pittsburgh-ONT Ontario

8h 53m1 stop Dallas/Fort Worth

$377American Airlines

Thu, Oct 22 - Tue, Oct 27

10:25 am - 10:52 pmONT Ontario-PIT Pittsburgh

9h 27m1 stop Dallas/Fort Worth

6:00 am - 11:53 amPIT Pittsburgh-ONT Ontario

8h 53m1 stop Dallas/Fort Worth

$377American Airlines

Tue, Oct 27 - Sat, Oct 31

11:10 pm - 10:02 amONT Ontario-PIT Pittsburgh

7h 52m1 stop Atlanta Hartsfield-Jackson

6:00 am - 11:03 amPIT Pittsburgh-ONT Ontario

8h 03m1 stop Atlanta Hartsfield-Jackson

$377Delta

Mon, Nov 16 - Thu, Nov 19

12:18 pm - 12:46 amONT Ontario-PIT Pittsburgh

9h 28m1 stop Atlanta Hartsfield-Jackson

5:28 pm - 11:49 pmPIT Pittsburgh-ONT Ontario

9h 21m1 stop Salt Lake City

$377Delta

Thu, Nov 12 - Mon, Nov 16

6:00 am - 8:36 pmONT Ontario-PIT Pittsburgh

11h 36m1 stop Seattle/Tacoma Intl

8:08 am - 3:13 pmPIT Pittsburgh-ONT Ontario

10h 05m1 stop Seattle/Tacoma Intl

$398Alaska Airlines

Thu, Nov 12 - Mon, Nov 16

4:09 pm - 8:36 pmONT Ontario-PIT Pittsburgh

25h 27m1 stop Seattle/Tacoma Intl

8:08 am - 3:13 pmPIT Pittsburgh-ONT Ontario

10h 05m1 stop Seattle/Tacoma Intl

$402Alaska Airlines

Wed, Nov 11 - Wed, Nov 18

Cheap last minute flights

Enter your travel dates to find the best prices.

12:16 pm - 11:36 amONT Ontario-PIT Pittsburgh

20h 20m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

5:50 am - 11:06 amPIT Pittsburgh-ONT Ontario

8h 16m1 stop Atlanta Hartsfield-Jackson

$610Delta

Sat, Oct 10 - Wed, Oct 28

12:16 pm - 11:36 amONT Ontario-PIT Pittsburgh

20h 20m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

1:34 pm - 7:30 pmPIT Pittsburgh-ONT Ontario

8h 56m1 stop Atlanta Hartsfield-Jackson

$610Delta

Sat, Oct 10 - Sat, Oct 24

2:28 pm - 2:22 pmONT Ontario-PIT Pittsburgh

20h 54m3 stops Las Vegas Harry Reid Intl Washington, D.C. Dulles Intl DuBois Jefferson County

7:51 pm - 10:29 amPIT Pittsburgh-ONT Ontario

17h 38m2 stops Orlando Denver Intl

$758Multiple Airlines

Fri, Oct 9 - Sun, Oct 11

4:03 pm - 8:38 amONT Ontario-PIT Pittsburgh

13h 35m2 stops San Francisco Chicago O'Hare Intl

2:07 pm - 6:47 pmPIT Pittsburgh-ONT Ontario

7h 40m1 stop Chicago O'Hare Intl

$760United Airlines

Sun, Oct 11 - Tue, Oct 27

1:24 pm - 10:44 pmONT Ontario-PIT Pittsburgh

6h 20m1 stop Denver Intl

5:10 pm - 9:40 pmPIT Pittsburgh-ONT Ontario

7h 30m1 stop Houston George Bush Intcntl

$762United Airlines

Sun, Oct 11 - Wed, Oct 28

6:02 am - 8:35 pmONT Ontario-PIT Pittsburgh

11h 33m1 stop Seattle/Tacoma Intl

8:07 am - 6:00 pmPIT Pittsburgh-ONT Ontario

12h 53m1 stop Seattle/Tacoma Intl

$777Alaska Airlines

Wed, Oct 7 - Fri, Oct 30

11:59 pm - 10:44 amONT Ontario-PIT Pittsburgh

7h 45m1 stop Dallas/Fort Worth

5:48 pm - 10:59 pmPIT Pittsburgh-ONT Ontario

8h 11m1 stop Charlotte Douglas

$822American Airlines

Sat, Oct 10 - Mon, Oct 26

11:59 pm - 10:44 amONT Ontario-PIT Pittsburgh

7h 45m1 stop Dallas/Fort Worth

5:48 pm - 10:59 pmPIT Pittsburgh-ONT Ontario

8h 11m1 stop Charlotte Douglas

$822American Airlines

Sun, Oct 11 - Mon, Oct 26

1:30 pm - 12:50 amONT Ontario-PIT Pittsburgh

8h 20m1 stop Las Vegas Harry Reid Intl

3:45 pm - 8:50 pmPIT Pittsburgh-ONT Ontario

8h 05m1 stop Dallas Love Field

$952Southwest

Thu, Oct 8 - Wed, Oct 21

1:30 pm - 12:50 amONT Ontario-PIT Pittsburgh

8h 20m1 stop Las Vegas Harry Reid Intl

6:00 am - 10:15 amPIT Pittsburgh-ONT Ontario

7h 15m1 stop Denver Intl

$952Southwest

Thu, Oct 8 - Wed, Oct 21

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American Airlines flights from Ontario to Pittsburgh

Our best American Airlines deals on Ontario to Pittsburgh flight tickets

American Airlines

Oct 27

ONT10:25 amOntario

9h 27m

1 stop

PIT10:52 pmPittsburgh

Oct 31

PIT6:00 amPittsburgh

8h 53m

1 stop

ONT11:53 amOntario

$377

American Airlines

Oct 27

ONT10:25 amOntario

9h 27m

1 stop

PIT10:52 pmPittsburgh

Oct 31

PIT11:34 amPittsburgh

10h 09m

2 stops

ONT6:43 pmOntario

$389

American Airlines

Oct 27

ONT6:15 amOntario

10h 27m

2 stops

PIT7:42 pmPittsburgh

Oct 31

PIT9:17 amPittsburgh

8h 59m

2 stops

ONT3:16 pmOntario

$402

United Airlines flights from Ontario to Pittsburgh

Our best United Airlines deals on Ontario to Pittsburgh flight tickets

United Airlines

Nov 5

ONT4:17 pmOntario

9h 53m

1 stop

PIT5:10 amPittsburgh

Nov 9

PIT5:10 pmPittsburgh

7h 30m

1 stop

ONT9:40 pmOntario

$372

United Airlines

Nov 10

ONT5:00 amOntario

8h 55m

2 stops

PIT4:55 pmPittsburgh

Nov 17

PIT6:30 amPittsburgh

9h 03m

2 stops

ONT12:33 pmOntario

$387

United Airlines

Nov 1

ONT6:00 amOntario

7h 07m

1 stop

PIT4:07 pmPittsburgh

Nov 4

PIT6:30 amPittsburgh

9h 03m

2 stops

ONT12:33 pmOntario

$434

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

OntarioPittsburgh

ONT Ontario - PIT Pittsburgh

ONTPIT

Ontario

Tue 11/10

3:20 pm-12:20 am

1 stop6h 00m

Pittsburgh

Tue 11/17

4:55 pm-8:40 pm

1 stop6h 45m

$312

OntarioPittsburgh

ONT Ontario - PIT Pittsburgh

ONTPIT

Ontario

Tue 11/10

5:55 am-6:30 pm

2 stops9h 35m

Pittsburgh

Tue 11/17

4:55 pm-8:40 pm

1 stop6h 45m

$318

OntarioPittsburgh

ONT Ontario - PIT Pittsburgh

ONTPIT

Ontario

Tue 11/10

6:00 am-4:07 pm

1 stop7h 07m

Pittsburgh

Tue 11/17

4:58 pm-9:40 pm

1 stop7h 42m

$372

OntarioPittsburgh

ONT Ontario - PIT Pittsburgh

ONTPIT

Ontario

Thu 11/5

4:17 pm-5:10 am

1 stop9h 53m

Pittsburgh

Mon 11/9

5:10 pm-9:40 pm

1 stop7h 30m

$372

OntarioPittsburgh

ONT Ontario - PIT Pittsburgh

ONTPIT

Ontario

Thu 10/22

12:43 pm-10:52 pm

1 stop7h 09m

Pittsburgh

Tue 10/27

6:00 am-11:53 am

1 stop8h 53m

$377

OntarioPittsburgh

ONT Ontario - PIT Pittsburgh

ONTPIT

Ontario

Tue 10/27

10:25 am-10:52 pm

1 stop9h 27m

Pittsburgh

Sat 10/31

6:00 am-11:53 am

1 stop8h 53m

$377

OntarioPittsburgh

ONT Ontario - PIT Pittsburgh

ONTPIT

Ontario

Mon 11/16

11:10 pm-10:02 am

1 stop7h 52m

Pittsburgh

Thu 11/19

6:00 am-11:03 am

1 stop8h 03m

$377

OntarioPittsburgh

ONT Ontario - PIT Pittsburgh

ONTPIT

Ontario

Thu 11/12

12:18 pm-12:46 am

1 stop9h 28m

Pittsburgh

Mon 11/16

5:28 pm-11:49 pm

1 stop9h 21m

$377

OntarioPittsburgh

ONT Ontario - PIT Pittsburgh

ONTPIT

Ontario

Thu 11/12

6:00 am-8:36 pm

1 stop11h 36m

Pittsburgh

Mon 11/16

8:08 am-3:13 pm

1 stop10h 05m

$398

OntarioPittsburgh

ONT Ontario - PIT Pittsburgh

ONTPIT

Ontario

Wed 11/11

4:09 pm-8:36 pm

1 stop25h 27m

Pittsburgh

Wed 11/18

8:08 am-3:13 pm

1 stop10h 05m

$402

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

Layovers

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 $405 to $628.
The lowest price recently found on this route was $312.

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 January is another great option to travel to Pittsburgh, with average flight prices from Ontario averaging around $360.

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 Tuesday when prices can be found for as low as $360. 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 $511. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

How have Ontario to Pittsburgh flight prices changed over time?

As of October 2026, prices for Ontario to Pittsburgh flights are approximately 15% 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

Best Price Found	$174
Fastest flight time	6h 00m
Direct flights	None

The best one-way flight to Pittsburgh from Ontario in the past 72 hours is $174. The best round-trip flight deal from Ontario to Pittsburgh found on momondo in the last 72 hours is $312.

The fastest flight from Ontario to Pittsburgh takes 6h 00m

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 00m.
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 October 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 48% of the total bookings. Other popular airlines include United Airlines with 21%, American Airlines with 19%, and Delta with 12%.

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 7.0 12,128 reviews	Search American Airlines flights
United Airlines	PriceFrom $314	Free Cancellation	Rating 7.4 10,285 reviews	Search United Airlines flights
Delta	PriceFrom $316	Free Cancellation	Rating 7.8 8,628 reviews	Search Delta flights
Southwest	PriceFrom $352	Free Cancellation	Rating 7.9 4,212 reviews	Search Southwest flights

Washington

Monroeville

Wheeling

Butler

Canonsburg

New Castle

West Mifflin

Moon

Belle Vernon

Coraopolis

Triadelphia

Steubenville

Mars

Wexford

Bridgeport

Cadiz

Chester

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.