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Cheap flights from Pittsburgh to Los Angeles from $153

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 8/18. 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

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.
United Airlines Logo
7:00 am - 2:01 pm
PIT
-
ONT
10h 01m
1 stop
United Airlines Logo
7:00 am - 4:57 pm
ONT
-
PIT
6h 57m
1 stop
$305United Airlines
Tue, Sep 22 - Tue, Sep 29
United Airlines Logo
10:45 am - 8:01 pm
PIT
-
ONT
12h 16m
2 stops
United Airlines Logo
7:00 am - 4:57 pm
ONT
-
PIT
6h 57m
1 stop
$310United Airlines
Tue, Sep 22 - Tue, Sep 29
Delta Logo
7:00 am - 11:27 am
PIT
-
ONT
7h 27m
1 stop
Delta Logo
12:00 pm - 9:49 pm
ONT
-
PIT
6h 49m
1 stop
$337Delta
Sat, Dec 5 - Wed, Dec 16
Delta Logo
1:50 pm - 6:18 pm
PIT
-
ONT
7h 28m
1 stop
Delta Logo
10:59 pm - 9:08 am
ONT
-
PIT
7h 09m
1 stop
$369Delta
Fri, Dec 4 - Tue, Dec 15
Delta Logo
5:30 am - 11:27 am
PIT
-
ONT
8h 57m
1 stop
Delta Logo
10:59 pm - 9:08 am
ONT
-
PIT
7h 09m
1 stop
$391Delta
Sun, Dec 6 - Wed, Dec 16
Alaska Airlines Logo
7:02 am - 2:16 pm
PIT
-
ONT
10h 14m
1 stop
Alaska Airlines Logo
6:02 am - 5:30 pm
ONT
-
PIT
8h 28m
1 stop
$395Alaska Airlines
Tue, Sep 15 - Tue, Sep 22
American Airlines Logo
6:00 am - 1:25 pm
PIT
-
ONT
10h 25m
2 stops
American Airlines Logo
12:37 pm - 11:20 pm
ONT
-
PIT
7h 43m
1 stop
$396American Airlines
Tue, Sep 22 - Tue, Sep 29
Southwest Logo
1:15 pm - 7:00 pm
PIT
-
ONT
8h 45m
1 stop
Southwest Logo
10:30 am - 9:50 pm
ONT
-
PIT
8h 20m
2 stops
$400Southwest
Wed, Jul 1 - Sat, Jul 4
Delta Logo
1:50 pm - 6:18 pm
PIT
-
ONT
7h 28m
1 stop
Delta Logo
10:59 pm - 10:38 am
ONT
-
PIT
8h 39m
1 stop
$401Delta
Fri, Dec 4 - Mon, Dec 14
American Airlines Logo
6:24 pm - 10:37 pm
PIT
-
ONT
7h 13m
1 stop
American Airlines Logo
1:05 pm - 10:32 pm
ONT
-
PIT
6h 27m
1 stop
$402American Airlines
Fri, Sep 25 - Mon, Sep 28

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Southwest flights from Pittsburgh to Ontario

Our best Southwest deals on Pittsburgh to Ontario flight tickets
Southwest
Sep 22
PIT6:00 amPittsburgh
7h 15m
1 stop
ONT10:15 amOntario
Sep 29
ONT10:55 amOntario
9h 10m
1 stop
PIT11:05 pmPittsburgh
$306
Southwest
Sep 15
PIT1:25 pmPittsburgh
7h 10m
1 stop
ONT5:35 pmOntario
Sep 22
ONT10:55 amOntario
9h 10m
1 stop
PIT11:05 pmPittsburgh
$395
Southwest
Sep 22
PIT6:00 amPittsburgh
7h 15m
1 stop
ONT10:15 amOntario
Sep 29
ONT9:40 amOntario
8h 35m
2 stops
PIT9:15 pmPittsburgh
$396

American Airlines flights from Pittsburgh to Ontario

Our best American Airlines deals on Pittsburgh to Ontario flight tickets
American Airlines
Sep 25
PIT6:24 pmPittsburgh
7h 13m
1 stop
ONT10:37 pmOntario
Sep 28
ONT1:05 pmOntario
6h 27m
1 stop
PIT10:32 pmPittsburgh
$402
American Airlines
Sep 22
PIT7:00 amPittsburgh
9h 25m
1 stop
ONT1:25 pmOntario
Sep 27
ONT7:11 pmOntario
11h 37m
2 stops
PIT9:48 amPittsburgh
$426
American Airlines
Jun 30
PIT7:44 amPittsburgh
7h 20m
1 stop
ONT12:04 pmOntario
Jul 9
ONT7:15 pmOntario
11h 15m
2 stops
PIT9:30 amPittsburgh
$446

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 June 9, 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 9/22

7:00 am-2:01 pm

1 stop10h 01m

Ontario

Tue 9/29

7:00 am-4:57 pm

1 stop6h 57m

$305

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 9/22

10:45 am-8:01 pm

2 stops12h 16m

Ontario

Tue 9/29

7:00 am-4:57 pm

1 stop6h 57m

$310

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Sat 12/5

7:00 am-11:27 am

1 stop7h 27m

Ontario

Wed 12/16

12:00 pm-9:49 pm

1 stop6h 49m

$337

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Fri 12/4

1:50 pm-6:18 pm

1 stop7h 28m

Ontario

Tue 12/15

10:59 pm-9:08 am

1 stop7h 09m

$369

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Sun 12/6

5:30 am-11:27 am

1 stop8h 57m

Ontario

Wed 12/16

10:59 pm-9:08 am

1 stop7h 09m

$391

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 9/15

7:02 am-2:16 pm

1 stop10h 14m

Ontario

Tue 9/22

6:02 am-5:30 pm

1 stop8h 28m

$395

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 9/22

6:00 am-1:25 pm

2 stops10h 25m

Ontario

Tue 9/29

12:37 pm-11:20 pm

1 stop7h 43m

$396

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Wed 7/1

1:15 pm-7:00 pm

1 stop8h 45m

Ontario

Sat 7/4

10:30 am-9:50 pm

2 stops8h 20m

$400

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Fri 12/4

1:50 pm-6:18 pm

1 stop7h 28m

Ontario

Mon 12/14

10:59 pm-10:38 am

1 stop8h 39m

$401
Quickest round-trip

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Fri 9/25

6:24 pm-10:37 pm

1 stop7h 13m

Ontario

Mon 9/28

1:05 pm-10:32 pm

1 stop6h 27m

$402

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 50m

Direct flights

None
The fastest flight from Pittsburgh to Ontario takes 6h 50m
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 50m.

  • 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
DeltaPriceFrom $296Free CancellationRating
7.9
8,394 reviews
Search Delta flights
United AirlinesPriceFrom $303Free CancellationRating
7.4
9,796 reviews
Search United Airlines flights
American AirlinesPriceFrom $314Free CancellationRating
7.1
11,640 reviews
Search American Airlines flights
SouthwestPriceFrom $350Free CancellationRating
7.9
4,240 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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