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.

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 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 46% 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 offers the lowest fares from Ontario to Pittsburgh?

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

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

Delta, Alaska Airlines, and United 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 August 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.

$183 Cheap Flights from Ontario to Pittsburgh in 2026

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.

10:29 am - 9:16 pmONT Ontario-PIT Pittsburgh

7h 47m1 stop Dallas/Fort Worth

7:00 am - 1:25 pmPIT Pittsburgh-ONT Ontario

9h 25m1 stop Dallas/Fort Worth

$355American Airlines

Sun, Sep 6 - Fri, Sep 11

5:00 am - 5:12 pmONT Ontario-PIT Pittsburgh

9h 12m2 stops Denver Intl Chicago O'Hare Intl

7:06 am - 12:12 pmPIT Pittsburgh-ONT Ontario

8h 06m1 stop San Francisco

$360United Airlines

Sun, Sep 6 - Fri, Sep 11

10:29 am - 10:48 pmONT Ontario-PIT Pittsburgh

9h 19m1 stop Dallas/Fort Worth

2:54 pm - 6:58 pmPIT Pittsburgh-ONT Ontario

7h 04m1 stop Dallas/Fort Worth

$373American Airlines

Sat, Aug 29 - Sat, Sep 5

6:00 am - 3:55 pmONT Ontario-PIT Pittsburgh

6h 55m1 stop Houston George Bush Intcntl

5:03 pm - 9:59 pmPIT Pittsburgh-ONT Ontario

7h 56m1 stop Houston George Bush Intcntl

$373United Airlines

Mon, Aug 31 - Thu, Sep 10

12:12 pm - 5:25 amONT Ontario-PIT Pittsburgh

14h 13m1 stop Seattle/Tacoma Intl

6:28 pm - 11:16 amPIT Pittsburgh-ONT Ontario

19h 48m1 stop Seattle/Tacoma Intl

$378Alaska Airlines

Sat, Sep 12 - Mon, Sep 14

2:00 pm - 11:15 pmONT Ontario-PIT Pittsburgh

6h 15m1 stop Denver Intl

6:30 am - 12:40 pmPIT Pittsburgh-ONT Ontario

9h 10m2 stops Nashville Intl Las Vegas Harry Reid Intl

$383Southwest

Thu, Sep 10 - Tue, Sep 15

3:07 pm - 5:24 amONT Ontario-PIT Pittsburgh

11h 17m1 stop Seattle/Tacoma Intl

7:02 am - 2:09 pmPIT Pittsburgh-ONT Ontario

10h 07m1 stop Seattle/Tacoma Intl

$385Alaska Airlines

Mon, Aug 31 - Tue, Sep 1

6:55 am - 4:20 pmONT Ontario-PIT Pittsburgh

6h 25m1 stop Denver Intl

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

7h 15m1 stop Denver Intl

$391Southwest

Sat, Sep 19 - Wed, Sep 23

11:15 pm - 10:01 amONT Ontario-PIT Pittsburgh

7h 46m1 stop Atlanta Hartsfield-Jackson

5:39 pm - 11:55 pmPIT Pittsburgh-ONT Ontario

9h 16m1 stop Salt Lake City

$391Delta

Thu, Oct 15 - Mon, Oct 19

11:15 pm - 10:01 amONT Ontario-PIT Pittsburgh

7h 46m1 stop Atlanta Hartsfield-Jackson

5:39 pm - 11:55 pmPIT Pittsburgh-ONT Ontario

9h 16m1 stop Salt Lake City

$391Delta

Thu, Oct 22 - Mon, Oct 26

Cheap last minute flights

Enter your travel dates to find the best prices.

6:15 am - 10:27 pmONT Ontario-PIT Pittsburgh

13h 12m1 stop Phoenix Sky Harbor Intl

7:04 am - 1:53 pmPIT Pittsburgh-ONT Ontario

9h 49m1 stop Dallas/Fort Worth

$696American Airlines

Tue, Aug 11 - Sat, Aug 29

6:15 am - 10:27 pmONT Ontario-PIT Pittsburgh

13h 12m1 stop Phoenix Sky Harbor Intl

6:00 am - 11:43 amPIT Pittsburgh-ONT Ontario

8h 43m1 stop Dallas/Fort Worth

$696American Airlines

Tue, Aug 11 - Sat, Aug 29

6:15 am - 10:27 pmONT Ontario-PIT Pittsburgh

13h 12m1 stop Phoenix Sky Harbor Intl

2:54 pm - 6:58 pmPIT Pittsburgh-ONT Ontario

7h 04m1 stop Dallas/Fort Worth

$696American Airlines

Tue, Aug 11 - Sat, Aug 29

5:00 am - 9:36 amONT Ontario-PIT Pittsburgh

25h 36m2 stops Denver Intl Washington, D.C. Dulles Intl

7:00 am - 12:50 pmPIT Pittsburgh-ONT Ontario

8h 50m2 stops Chicago O'Hare Intl Denver Intl

$773United Airlines

Tue, Aug 11 - Sat, Aug 29

5:00 am - 8:47 pmONT Ontario-PIT Pittsburgh

12h 47m2 stops Denver Intl Chicago O'Hare Intl

10:25 am - 8:53 pmPIT Pittsburgh-ONT Ontario

13h 28m2 stops Washington, D.C. Dulles Intl Denver Intl

$812United Airlines

Tue, Aug 11 - Sat, Aug 29

6:08 am - 12:10 amONT Ontario-PIT Pittsburgh

15h 02m2 stops San Francisco Chicago O'Hare Intl

10:45 am - 8:01 pmPIT Pittsburgh-ONT Ontario

12h 16m2 stops Chicago O'Hare Intl San Francisco

$812United Airlines

Tue, Aug 11 - Sat, Aug 29

8:10 am - 7:15 pmONT Ontario-PIT Pittsburgh

8h 05m1 stop Denver Intl

6:35 pm - 10:10 pmPIT Pittsburgh-ONT Ontario

6h 35m1 stop Denver Intl

$1,007Southwest

Thu, Aug 13 - Mon, Aug 17

12:35 pm - 12:40 amONT Ontario-PIT Pittsburgh

9h 05m1 stop Las Vegas Harry Reid Intl

8:40 am - 3:15 pmPIT Pittsburgh-ONT Ontario

9h 35m2 stops Chicago Midway Las Vegas Harry Reid Intl

$1,012Southwest

Thu, Aug 13 - Mon, Aug 17

5:26 pm - 6:10 amONT Ontario-PIT Pittsburgh

9h 44m1 stop Seattle/Tacoma Intl

7:02 am - 7:03 pmPIT Pittsburgh-ONT Ontario

15h 01m1 stop Seattle/Tacoma Intl

$1,040Alaska Airlines

Tue, Aug 11 - Sat, Sep 12

6:02 am - 5:12 pmONT Ontario-PIT Pittsburgh

8h 10m1 stop Seattle/Tacoma Intl

10:16 am - 7:03 pmPIT Pittsburgh-ONT Ontario

11h 47m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

$1,043Alaska Airlines

Tue, Aug 11 - Sat, Sep 12

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American Airlines flights from Ontario to Pittsburgh

Our best American Airlines deals on Ontario to Pittsburgh flight tickets

American Airlines

Sep 6

ONT10:29 amOntario

7h 47m

1 stop

PIT9:16 pmPittsburgh

Sep 11

PIT7:00 amPittsburgh

9h 25m

1 stop

ONT1:25 pmOntario

$355

American Airlines

Aug 29

ONT10:29 amOntario

9h 19m

1 stop

PIT10:48 pmPittsburgh

Sep 5

PIT2:54 pmPittsburgh

7h 04m

1 stop

ONT6:58 pmOntario

$373

American Airlines

Aug 29

ONT6:15 amOntario

10h 50m

2 stops

PIT8:05 pmPittsburgh

Sep 5

PIT7:04 amPittsburgh

7h 39m

1 stop

ONT11:43 amOntario

$380

United Airlines flights from Ontario to Pittsburgh

Our best United Airlines deals on Ontario to Pittsburgh flight tickets

United Airlines

Sep 6

ONT5:00 amOntario

9h 12m

2 stops

PIT5:12 pmPittsburgh

Sep 11

PIT7:06 amPittsburgh

8h 06m

1 stop

ONT12:12 pmOntario

$360

United Airlines

Aug 29

ONT1:18 pmOntario

6h 27m

1 stop

PIT10:45 pmPittsburgh

Sep 5

PIT2:11 pmPittsburgh

9h 42m

2 stops

ONT8:53 pmOntario

$378

United Airlines

Aug 31

ONT5:00 amOntario

9h 13m

2 stops

PIT5:13 pmPittsburgh

Sep 10

PIT7:06 amPittsburgh

8h 06m

1 stop

ONT12:12 pmOntario

$383

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioPittsburgh

ONT Ontario - PIT Pittsburgh

ONTPIT

Ontario

Sun 9/6

10:29 am-9:16 pm

1 stop7h 47m

Pittsburgh

Fri 9/11

7:00 am-1:25 pm

1 stop9h 25m

$355

OntarioPittsburgh

ONT Ontario - PIT Pittsburgh

ONTPIT

Ontario

Sun 9/6

5:00 am-5:12 pm

2 stops9h 12m

Pittsburgh

Fri 9/11

7:06 am-12:12 pm

1 stop8h 06m

$360

OntarioPittsburgh

ONT Ontario - PIT Pittsburgh

ONTPIT

Ontario

Sat 8/29

10:29 am-10:48 pm

1 stop9h 19m

Pittsburgh

Sat 9/5

2:54 pm-6:58 pm

1 stop7h 04m

$373

OntarioPittsburgh

ONT Ontario - PIT Pittsburgh

ONTPIT

Ontario

Mon 8/31

6:00 am-3:55 pm

1 stop6h 55m

Pittsburgh

Thu 9/10

5:03 pm-9:59 pm

1 stop7h 56m

$373

OntarioPittsburgh

ONT Ontario - PIT Pittsburgh

ONTPIT

Ontario

Sat 9/12

12:12 pm-5:25 am

1 stop14h 13m

Pittsburgh

Mon 9/14

6:28 pm-11:16 am

1 stop19h 48m

$378

OntarioPittsburgh

ONT Ontario - PIT Pittsburgh

ONTPIT

Ontario

Thu 9/10

2:00 pm-11:15 pm

1 stop6h 15m

Pittsburgh

Tue 9/15

6:30 am-12:40 pm

2 stops9h 10m

$383

OntarioPittsburgh

ONT Ontario - PIT Pittsburgh

ONTPIT

Ontario

Mon 8/31

3:07 pm-5:24 am

1 stop11h 17m

Pittsburgh

Tue 9/1

7:02 am-2:09 pm

1 stop10h 07m

$385

Quickest round-trip

OntarioPittsburgh

ONT Ontario - PIT Pittsburgh

ONTPIT

Ontario

Sat 9/19

6:55 am-4:20 pm

1 stop6h 25m

Pittsburgh

Wed 9/23

6:00 am-10:15 am

1 stop7h 15m

$391

OntarioPittsburgh

ONT Ontario - PIT Pittsburgh

ONTPIT

Ontario

Thu 10/15

11:15 pm-10:01 am

1 stop7h 46m

Pittsburgh

Mon 10/19

5:39 pm-11:55 pm

1 stop9h 16m

$391

OntarioPittsburgh

ONT Ontario - PIT Pittsburgh

ONTPIT

Ontario

Thu 10/22

11:15 pm-10:01 am

1 stop7h 46m

Pittsburgh

Mon 10/26

5:39 pm-11:55 pm

1 stop9h 16m

$391

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 $415 to $829.
The lowest price recently found on this route was $355.

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 Tuesday when prices can be found for as low as $336. 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 $489. 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 August 2026, prices for Ontario to Pittsburgh flights are approximately 281% 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 10m
Direct flights	None

The fastest flight from Ontario to Pittsburgh takes 6h 10m

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 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 August 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 52% of the total bookings. Other popular airlines include American Airlines with 19%, United Airlines with 19%, 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 11,892 reviews	Search American Airlines flights
Delta	PriceFrom $296	Free Cancellation	Rating 7.8 8,496 reviews	Search Delta flights
United Airlines	PriceFrom $310	Free Cancellation	Rating 7.4 10,089 reviews	Search United Airlines flights
Southwest	PriceFrom $311	Free Cancellation	Rating 8.0 4,216 reviews	Search Southwest flights

Washington

Monroeville

Wheeling

Canonsburg

Butler

New Castle

Moon

West Mifflin

Belle Vernon

Triadelphia

Coraopolis

Steubenville

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.