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Cheap flights from Pittsburgh to Los Angeles from $149

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 4/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Pittsburgh to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:32 pm - 11:44 pm
PIT
-
ONT
9h 12m
1 stop
Delta Logo
10:15 pm - 9:15 am
ONT
-
PIT
8h 00m
1 stop
$305Delta
Tue, Apr 14 - Wed, Apr 15
American Airlines Logo
6:05 pm - 10:40 pm
PIT
-
ONT
7h 35m
1 stop
American Airlines Logo
9:24 am - 11:17 pm
ONT
-
PIT
10h 53m
2 stops
$310American Airlines
Tue, May 19 - Wed, May 20
American Airlines Logo
6:05 pm - 10:40 pm
PIT
-
ONT
7h 35m
1 stop
American Airlines Logo
12:19 pm - 10:24 pm
ONT
-
PIT
7h 05m
1 stop
$314American Airlines
Tue, May 19 - Wed, May 20
Delta Logo
5:59 pm - 11:34 pm
PIT
-
ONT
8h 35m
2 stops
Delta Logo
9:50 am - 11:50 pm
ONT
-
PIT
11h 00m
2 stops
$315Delta
Tue, May 19 - Wed, May 20
American Airlines Logo
3:15 pm - 10:40 pm
PIT
-
ONT
10h 25m
1 stop
American Airlines Logo
11:59 pm - 10:49 am
ONT
-
PIT
7h 50m
1 stop
$317American Airlines
Tue, May 19 - Wed, May 20
American Airlines Logo
6:05 pm - 10:40 pm
PIT
-
ONT
7h 35m
1 stop
American Airlines Logo
11:59 pm - 10:49 am
ONT
-
PIT
7h 50m
1 stop
$318American Airlines
Tue, May 19 - Wed, May 20
Delta Logo
5:32 pm - 11:44 pm
PIT
-
ONT
9h 12m
1 stop
Delta Logo
12:49 pm - 12:35 am
ONT
-
PIT
8h 46m
1 stop
$330Delta
Wed, Apr 15 - Thu, Apr 16
American Airlines Logo
11:34 am - 6:30 pm
PIT
-
ONT
9h 56m
2 stops
American Airlines Logo
11:59 pm - 10:44 am
ONT
-
PIT
7h 45m
1 stop
$335American Airlines
Wed, Apr 15 - Mon, Apr 20
American Airlines Logo
3:15 pm - 8:54 pm
PIT
-
ONT
8h 39m
1 stop
American Airlines Logo
9:24 am - 11:17 pm
ONT
-
PIT
10h 53m
2 stops
$336American Airlines
Tue, May 19 - Wed, May 20
American Airlines Logo
10:33 am - 6:30 pm
PIT
-
ONT
10h 57m
2 stops
American Airlines Logo
11:29 pm - 10:14 am
ONT
-
PIT
7h 45m
1 stop
$337American Airlines
Wed, Apr 15 - Mon, Apr 20

Southwest flights from Pittsburgh to Ontario

Our best Southwest deals on Pittsburgh to Ontario flight tickets
Southwest
Apr 15
PIT5:25 pmPittsburgh
8h 00m
1 stop
ONT10:25 pmOntario
Apr 20
ONT11:55 pmOntario
7h 20m
1 stop
PIT10:15 amPittsburgh
$355
Southwest
Apr 15
PIT6:05 amPittsburgh
8h 50m
2 stops
ONT11:55 amOntario
Apr 20
ONT11:55 pmOntario
7h 20m
1 stop
PIT10:15 amPittsburgh
$360
Southwest
May 13
PIT5:25 pmPittsburgh
8h 00m
1 stop
ONT10:25 pmOntario
May 17
ONT3:50 pmOntario
14h 35m
2 stops
PIT9:25 amPittsburgh
$402

Delta flights from Pittsburgh to Ontario

Our best Delta deals on Pittsburgh to Ontario flight tickets
Delta
Apr 14
PIT5:32 pmPittsburgh
9h 12m
1 stop
ONT11:44 pmOntario
Apr 15
ONT10:15 pmOntario
8h 00m
1 stop
PIT9:15 amPittsburgh
$305
Delta
May 19
PIT5:59 pmPittsburgh
8h 35m
2 stops
ONT11:34 pmOntario
May 20
ONT9:50 amOntario
11h 00m
2 stops
PIT11:50 pmPittsburgh
$315
Delta
Apr 15
PIT5:32 pmPittsburgh
9h 12m
1 stop
ONT11:44 pmOntario
Apr 16
ONT12:49 pmOntario
8h 46m
1 stop
PIT12:35 amPittsburgh
$330

momondo Fare Finder

 
Customize your flight search to find flights from Pittsburgh to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 27, 2026.
Use the filters below to find and compare flights from Pittsburgh to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 4/14

5:32 pm-11:44 pm

1 stop9h 12m

Ontario

Wed 4/15

10:15 pm-9:15 am

1 stop8h 00m

$305

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 5/19

6:05 pm-10:40 pm

1 stop7h 35m

Ontario

Wed 5/20

9:24 am-11:17 pm

2 stops10h 53m

$310
Quickest round-trip

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 5/19

6:05 pm-10:40 pm

1 stop7h 35m

Ontario

Wed 5/20

12:19 pm-10:24 pm

1 stop7h 05m

$314

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 5/19

5:59 pm-11:34 pm

2 stops8h 35m

Ontario

Wed 5/20

9:50 am-11:50 pm

2 stops11h 00m

$315

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 5/19

3:15 pm-10:40 pm

1 stop10h 25m

Ontario

Wed 5/20

11:59 pm-10:49 am

1 stop7h 50m

$317

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 5/19

6:05 pm-10:40 pm

1 stop7h 35m

Ontario

Wed 5/20

11:59 pm-10:49 am

1 stop7h 50m

$318

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Wed 4/15

5:32 pm-11:44 pm

1 stop9h 12m

Ontario

Thu 4/16

12:49 pm-12:35 am

1 stop8h 46m

$330

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Wed 4/15

11:34 am-6:30 pm

2 stops9h 56m

Ontario

Mon 4/20

11:59 pm-10:44 am

1 stop7h 45m

$335

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 5/19

3:15 pm-8:54 pm

1 stop8h 39m

Ontario

Wed 5/20

9:24 am-11:17 pm

2 stops10h 53m

$336

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Wed 4/15

10:33 am-6:30 pm

2 stops10h 57m

Ontario

Mon 4/20

11:29 pm-10:14 am

1 stop7h 45m

$337

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Pittsburgh and Ontario?

What is the cheapest month to fly to Ontario?

In general, December 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 $350. If you aren’t able to travel during the month of December, then book flights to Ontario from Pittsburgh during February instead. Flights to Ontario in February, while not as cheap as those in December, still average around $357.

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

Fastest flight time

6h 35m

Direct flights

None
The fastest flight from Pittsburgh to Ontario takes 6h 35m
There are no direct flights from Pittsburgh to Ontario. There are no popular flight routes from Pittsburgh to Ontario.
Search flight deals

  • 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 6h 35m.

  • 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?

  • 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?

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 AirlinesPriceFrom $296Free CancellationRating
7.4
9,491 reviews
Search United Airlines flights
DeltaPriceFrom $296Free CancellationRating
7.9
8,341 reviews
Search Delta flights
American AirlinesPriceFrom $306Free CancellationRating
7.1
11,504 reviews
Search American Airlines flights
SouthwestPriceFrom $350Free CancellationRating
8.0
4,331 reviews
Search Southwest flights

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.

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