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Cheap flights from Pittsburgh to Los Angeles from $198

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.
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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.
United Airlines Logo
5:06 pm - 9:58 pm
PIT
-
ONT
7h 52m
1 stop
United Airlines Logo
6:05 am - 4:04 pm
ONT
-
PIT
6h 59m
1 stop
$390United Airlines
Tue, Oct 13 - Wed, Oct 21
Delta Logo
5:30 am - 10:40 am
PIT
-
ONT
8h 10m
1 stop
Delta Logo
6:00 am - 4:30 pm
ONT
-
PIT
7h 30m
1 stop
$395Delta
Tue, Jun 23 - Tue, Jul 7
Alaska Airlines Logo
7:02 am - 2:16 pm
PIT
-
ONT
10h 14m
1 stop
Alaska Airlines Logo
3:12 pm - 5:25 am
ONT
-
PIT
11h 13m
1 stop
$396Alaska Airlines
Wed, Sep 9 - Sat, Sep 19
American Airlines Logo
7:44 am - 12:04 pm
PIT
-
ONT
7h 20m
1 stop
American Airlines Logo
7:14 pm - 9:30 am
ONT
-
PIT
11h 16m
2 stops
$400American Airlines
Tue, Jun 23 - Tue, Jul 7
United Airlines Logo
5:06 pm - 9:58 pm
PIT
-
ONT
7h 52m
1 stop
United Airlines Logo
1:18 pm - 10:37 pm
ONT
-
PIT
6h 19m
1 stop
$403United Airlines
Sat, Oct 3 - Tue, Oct 6
American Airlines Logo
5:01 am - 12:04 pm
PIT
-
ONT
10h 03m
2 stops
American Airlines Logo
7:14 pm - 9:30 am
ONT
-
PIT
11h 16m
2 stops
$405American Airlines
Tue, Jun 23 - Tue, Jul 7
Alaska Airlines Logo
7:02 am - 2:16 pm
PIT
-
ONT
10h 14m
1 stop
Alaska Airlines Logo
3:12 pm - 5:25 am
ONT
-
PIT
11h 13m
1 stop
$408Alaska Airlines
Wed, Sep 9 - Thu, Sep 17
Alaska Airlines Logo
7:02 am - 2:16 pm
PIT
-
ONT
10h 14m
1 stop
Alaska Airlines Logo
3:12 pm - 5:25 am
ONT
-
PIT
11h 13m
1 stop
$409Alaska Airlines
Thu, Sep 10 - Sat, Sep 19
United Airlines Logo
5:06 pm - 9:58 pm
PIT
-
ONT
7h 52m
1 stop
United Airlines Logo
7:00 am - 4:57 pm
ONT
-
PIT
6h 57m
1 stop
$416United Airlines
Sat, Oct 10 - Thu, Oct 15
American Airlines Logo
7:33 pm - 11:59 pm
PIT
-
ONT
7h 26m
1 stop
American Airlines Logo
7:13 pm - 8:54 am
ONT
-
PIT
10h 41m
2 stops
$417American Airlines
Wed, Jun 24 - Tue, Jun 30

United Airlines flights from Pittsburgh to Ontario

Our best United Airlines deals on Pittsburgh to Ontario flight tickets
United Airlines
Oct 13
PIT5:06 pmPittsburgh
7h 52m
1 stop
ONT9:58 pmOntario
Oct 21
ONT6:05 amOntario
6h 59m
1 stop
PIT4:04 pmPittsburgh
$390
United Airlines
Oct 3
PIT5:06 pmPittsburgh
7h 52m
1 stop
ONT9:58 pmOntario
Oct 6
ONT1:18 pmOntario
6h 19m
1 stop
PIT10:37 pmPittsburgh
$403
United Airlines
Oct 10
PIT5:06 pmPittsburgh
7h 52m
1 stop
ONT9:58 pmOntario
Oct 15
ONT7:00 amOntario
6h 57m
1 stop
PIT4:57 pmPittsburgh
$416

American Airlines flights from Pittsburgh to Ontario

Our best American Airlines deals on Pittsburgh to Ontario flight tickets
American Airlines
Jun 23
PIT7:44 amPittsburgh
7h 20m
1 stop
ONT12:04 pmOntario
Jul 7
ONT7:14 pmOntario
11h 16m
2 stops
PIT9:30 amPittsburgh
$400
American Airlines
Jun 23
PIT5:01 amPittsburgh
10h 03m
2 stops
ONT12:04 pmOntario
Jul 7
ONT7:14 pmOntario
11h 16m
2 stops
PIT9:30 amPittsburgh
$405
American Airlines
Jun 24
PIT7:33 pmPittsburgh
7h 26m
1 stop
ONT11:59 pmOntario
Jun 30
ONT7:13 pmOntario
10h 41m
2 stops
PIT8:54 amPittsburgh
$417

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 May 22, 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 10/13

5:06 pm-9:58 pm

1 stop7h 52m

Ontario

Wed 10/21

6:05 am-4:04 pm

1 stop6h 59m

$390

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 6/23

5:30 am-10:40 am

1 stop8h 10m

Ontario

Tue 7/7

6:00 am-4:30 pm

1 stop7h 30m

$395

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Wed 9/9

7:02 am-2:16 pm

1 stop10h 14m

Ontario

Sat 9/19

3:12 pm-5:25 am

1 stop11h 13m

$396

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 6/23

7:44 am-12:04 pm

1 stop7h 20m

Ontario

Tue 7/7

7:14 pm-9:30 am

2 stops11h 16m

$400
Quickest round-trip

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Sat 10/3

5:06 pm-9:58 pm

1 stop7h 52m

Ontario

Tue 10/6

1:18 pm-10:37 pm

1 stop6h 19m

$403

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 6/23

5:01 am-12:04 pm

2 stops10h 03m

Ontario

Tue 7/7

7:14 pm-9:30 am

2 stops11h 16m

$405

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Wed 9/9

7:02 am-2:16 pm

1 stop10h 14m

Ontario

Thu 9/17

3:12 pm-5:25 am

1 stop11h 13m

$408

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Thu 9/10

7:02 am-2:16 pm

1 stop10h 14m

Ontario

Sat 9/19

3:12 pm-5:25 am

1 stop11h 13m

$409

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Sat 10/10

5:06 pm-9:58 pm

1 stop7h 52m

Ontario

Thu 10/15

7:00 am-4:57 pm

1 stop6h 57m

$416

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Wed 6/24

7:33 pm-11:59 pm

1 stop7h 26m

Ontario

Tue 6/30

7:13 pm-8:54 am

2 stops10h 41m

$417

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

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
United AirlinesPriceFrom $296Free CancellationRating
7.4
9,751 reviews
Search United Airlines flights
DeltaPriceFrom $296Free CancellationRating
7.9
8,449 reviews
Search Delta flights
American AirlinesPriceFrom $314Free CancellationRating
7.1
11,644 reviews
Search American Airlines flights
SouthwestPriceFrom $350Free CancellationRating
7.9
4,278 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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