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Cheap flights from Pittsburgh to Los Angeles from $133

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 6/15. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Pittsburgh to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:53 pm - 8:27 pm
PIT
-
ONT
8h 34m
1 stop
American Airlines Logo
10:59 am - 11:17 pm
ONT
-
PIT
9h 18m
1 stop
$387American Airlines
Tue, May 19 - Wed, May 20
Delta Logo
5:40 pm - 10:45 pm
PIT
-
ONT
8h 05m
1 stop
Delta Logo
12:07 pm - 12:45 am
ONT
-
PIT
9h 38m
1 stop
$388Delta
Sat, May 9 - Sat, May 16
Delta Logo
6:46 am - 10:57 am
PIT
-
ONT
7h 11m
1 stop
Delta Logo
6:00 am - 4:40 pm
ONT
-
PIT
7h 40m
1 stop
$390Delta
Sat, May 9 - Sat, May 16
Delta Logo
5:10 pm - 11:34 pm
PIT
-
ONT
9h 24m
2 stops
Delta Logo
10:00 pm - 9:02 am
ONT
-
PIT
8h 02m
1 stop
$392Delta
Tue, May 19 - Wed, May 20
American Airlines Logo
7:35 pm - 11:46 pm
PIT
-
ONT
7h 11m
1 stop
American Airlines Logo
10:59 am - 11:17 pm
ONT
-
PIT
9h 18m
1 stop
$393American Airlines
Mon, May 18 - Wed, May 20
American Airlines Logo
8:18 am - 4:22 pm
PIT
-
ONT
11h 04m
2 stops
American Airlines Logo
9:24 am - 11:17 pm
ONT
-
PIT
10h 53m
2 stops
$397American Airlines
Tue, May 19 - Wed, May 20
American Airlines Logo
7:35 pm - 11:46 pm
PIT
-
ONT
7h 11m
1 stop
American Airlines Logo
9:24 am - 11:17 pm
ONT
-
PIT
10h 53m
2 stops
$398American Airlines
Mon, May 18 - Wed, May 20
American Airlines Logo
7:35 pm - 11:46 pm
PIT
-
ONT
7h 11m
1 stop
American Airlines Logo
10:59 am - 11:17 pm
ONT
-
PIT
9h 18m
1 stop
$402American Airlines
Mon, May 18 - Wed, May 20
American Airlines Logo
7:35 pm - 11:46 pm
PIT
-
ONT
7h 11m
1 stop
American Airlines Logo
9:24 am - 11:17 pm
ONT
-
PIT
10h 53m
2 stops
$408American Airlines
Mon, May 18 - Wed, May 20
Delta Logo
4:45 pm - 9:48 pm
PIT
-
ONT
8h 03m
1 stop
Delta Logo
10:00 pm - 9:02 am
ONT
-
PIT
8h 02m
1 stop
$413Delta
Tue, May 19 - Wed, May 20

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Alaska Airlines flights from Pittsburgh to Ontario

Our best Alaska Airlines deals on Pittsburgh to Ontario flight tickets
Alaska Airlines
Sep 1
PIT7:00 amPittsburgh
10h 08m
1 stop
ONT2:08 pmOntario
Sep 17
ONT6:00 amOntario
8h 30m
1 stop
PIT5:30 pmPittsburgh
$458
Alaska Airlines
May 13
PIT7:00 amPittsburgh
11h 09m
1 stop
ONT3:09 pmOntario
May 20
ONT4:03 pmOntario
10h 37m
1 stop
PIT5:40 amPittsburgh
$473
Alaska Airlines
Oct 10
PIT8:03 amPittsburgh
9h 44m
1 stop
ONT2:47 pmOntario
Oct 17
ONT6:58 pmOntario
8h 47m
1 stop
PIT6:45 amPittsburgh
$477

American Airlines flights from Pittsburgh to Ontario

Our best American Airlines deals on Pittsburgh to Ontario flight tickets
American Airlines
May 19
PIT2:53 pmPittsburgh
8h 34m
1 stop
ONT8:27 pmOntario
May 20
ONT10:59 amOntario
9h 18m
1 stop
PIT11:17 pmPittsburgh
$387
American Airlines
May 18
PIT7:35 pmPittsburgh
7h 11m
1 stop
ONT11:46 pmOntario
May 20
ONT10:59 amOntario
9h 18m
1 stop
PIT11:17 pmPittsburgh
$393
American Airlines
May 19
PIT8:18 amPittsburgh
11h 04m
2 stops
ONT4:22 pmOntario
May 20
ONT9:24 amOntario
10h 53m
2 stops
PIT11:17 pmPittsburgh
$397

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 April 19, 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 5/19

2:53 pm-8:27 pm

1 stop8h 34m

Ontario

Wed 5/20

10:59 am-11:17 pm

1 stop9h 18m

$387

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Sat 5/9

5:40 pm-10:45 pm

1 stop8h 05m

Ontario

Sat 5/16

12:07 pm-12:45 am

1 stop9h 38m

$388
Quickest round-trip

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Sat 5/9

6:46 am-10:57 am

1 stop7h 11m

Ontario

Sat 5/16

6:00 am-4:40 pm

1 stop7h 40m

$390

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 5/19

5:10 pm-11:34 pm

2 stops9h 24m

Ontario

Wed 5/20

10:00 pm-9:02 am

1 stop8h 02m

$392

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Mon 5/18

7:35 pm-11:46 pm

1 stop7h 11m

Ontario

Wed 5/20

10:59 am-11:17 pm

1 stop9h 18m

$393

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 5/19

8:18 am-4:22 pm

2 stops11h 04m

Ontario

Wed 5/20

9:24 am-11:17 pm

2 stops10h 53m

$397

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Mon 5/18

7:35 pm-11:46 pm

1 stop7h 11m

Ontario

Wed 5/20

9:24 am-11:17 pm

2 stops10h 53m

$398

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Mon 5/18

7:35 pm-11:46 pm

1 stop7h 11m

Ontario

Wed 5/20

10:59 am-11:17 pm

1 stop9h 18m

$402

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Mon 5/18

7:35 pm-11:46 pm

1 stop7h 11m

Ontario

Wed 5/20

9:24 am-11:17 pm

2 stops10h 53m

$408

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 5/19

4:45 pm-9:48 pm

1 stop8h 03m

Ontario

Wed 5/20

10:00 pm-9:02 am

1 stop8h 02m

$413

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.
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Frequently asked questions about flying from Pittsburgh to Ontario

  • 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
American AirlinesPriceFrom $286Free CancellationRating
7.1
11,620 reviews
Search American Airlines flights
United AirlinesPriceFrom $296Free CancellationRating
7.4
9,604 reviews
Search United Airlines flights
DeltaPriceFrom $296Free CancellationRating
7.9
8,422 reviews
Search Delta flights
SouthwestPriceFrom $350Free CancellationRating
8.0
4,327 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.

An easier way to manage your Ontario trip

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