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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.
American Airlines Logo
7:33 pm - 11:59 pm
PIT
-
ONT
7h 26m
1 stop
American Airlines Logo
1:11 pm - 10:56 pm
ONT
-
PIT
6h 45m
1 stop
$395American Airlines
Tue, Jun 23 - Wed, Jul 1
United Airlines Logo
6:16 pm - 10:51 pm
PIT
-
ONT
7h 35m
1 stop
United Airlines Logo
6:39 pm - 5:19 am
ONT
-
PIT
7h 40m
1 stop
$396United Airlines
Sat, Jun 6 - Wed, Jun 10
American Airlines Logo
5:01 am - 12:04 pm
PIT
-
ONT
10h 03m
2 stops
American Airlines Logo
10:10 pm - 9:30 am
ONT
-
PIT
8h 20m
1 stop
$400American Airlines
Tue, Jun 23 - Tue, Jul 7
American Airlines Logo
2:00 pm - 10:02 pm
PIT
-
ONT
11h 02m
2 stops
American Airlines Logo
12:40 pm - 11:57 pm
ONT
-
PIT
8h 17m
1 stop
$401American Airlines
Sat, Jun 6 - Wed, Jun 10
American Airlines Logo
7:33 pm - 11:59 pm
PIT
-
ONT
7h 26m
1 stop
American Airlines Logo
1:11 pm - 10:56 pm
ONT
-
PIT
6h 45m
1 stop
$403American Airlines
Wed, Jun 17 - Tue, Jun 23
American Airlines Logo
11:40 am - 6:21 pm
PIT
-
ONT
9h 41m
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
American Airlines Logo
4:41 pm - 11:59 pm
PIT
-
ONT
10h 18m
2 stops
American Airlines Logo
7:13 pm - 8:54 am
ONT
-
PIT
10h 41m
2 stops
$406American Airlines
Sat, Jun 6 - Wed, Jun 10
Alaska Airlines Logo
7:00 am - 2:18 pm
PIT
-
ONT
10h 18m
1 stop
Alaska Airlines Logo
3:12 pm - 5:25 am
ONT
-
PIT
11h 13m
1 stop
$408Alaska Airlines
Tue, Sep 22 - Thu, Sep 24
United Airlines Logo
5:06 pm - 9:58 pm
PIT
-
ONT
7h 52m
1 stop
United Airlines Logo
5:00 am - 4:57 pm
ONT
-
PIT
8h 57m
2 stops
$409United 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
10:25 am - 9:49 pm
ONT
-
PIT
8h 24m
1 stop
$413American Airlines
Tue, Jun 30 - Thu, Jul 9

Alaska Airlines flights from Pittsburgh to Ontario

Our best Alaska Airlines deals on Pittsburgh to Ontario flight tickets
Alaska Airlines
Sep 22
PIT7:00 amPittsburgh
10h 18m
1 stop
ONT2:18 pmOntario
Sep 24
ONT3:12 pmOntario
11h 13m
1 stop
PIT5:25 amPittsburgh
$408
Alaska Airlines
Sep 2
PIT7:00 amPittsburgh
10h 11m
1 stop
ONT2:11 pmOntario
Sep 30
ONT6:00 amOntario
8h 30m
1 stop
PIT5:30 pmPittsburgh
$473
Alaska Airlines
May 31
PIT6:52 pmPittsburgh
19h 18m
1 stop
ONT11:10 amOntario
Jun 3
ONT12:06 pmOntario
14h 34m
1 stop
PIT5:40 amPittsburgh
$496

Southwest flights from Pittsburgh to Ontario

Our best Southwest deals on Pittsburgh to Ontario flight tickets
Southwest
Jun 10
PIT6:55 amPittsburgh
7h 35m
1 stop
ONT11:30 amOntario
Jun 14
ONT11:55 pmOntario
7h 20m
1 stop
PIT10:15 amPittsburgh
$461
Southwest
Jun 25
PIT5:30 amPittsburgh
8h 50m
2 stops
ONT11:20 amOntario
Jul 6
ONT1:20 pmOntario
8h 50m
2 stops
PIT1:10 amPittsburgh
$476
Southwest
Aug 14
PIT7:00 amPittsburgh
8h 00m
2 stops
ONT12:00 pmOntario
Aug 16
ONT11:55 pmOntario
7h 50m
1 stop
PIT10:45 amPittsburgh
$482

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 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
Quickest round-trip

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 6/23

7:33 pm-11:59 pm

1 stop7h 26m

Ontario

Wed 7/1

1:11 pm-10:56 pm

1 stop6h 45m

$395

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Sat 6/6

6:16 pm-10:51 pm

1 stop7h 35m

Ontario

Wed 6/10

6:39 pm-5:19 am

1 stop7h 40m

$396

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 6/23

5:01 am-12:04 pm

2 stops10h 03m

Ontario

Tue 7/7

10:10 pm-9:30 am

1 stop8h 20m

$400

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Sat 6/6

2:00 pm-10:02 pm

2 stops11h 02m

Ontario

Wed 6/10

12:40 pm-11:57 pm

1 stop8h 17m

$401

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Wed 6/17

7:33 pm-11:59 pm

1 stop7h 26m

Ontario

Tue 6/23

1:11 pm-10:56 pm

1 stop6h 45m

$403

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 6/23

11:40 am-6:21 pm

2 stops9h 41m

Ontario

Tue 7/7

7:14 pm-9:30 am

2 stops11h 16m

$405

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Sat 6/6

4:41 pm-11:59 pm

2 stops10h 18m

Ontario

Wed 6/10

7:13 pm-8:54 am

2 stops10h 41m

$406

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 9/22

7:00 am-2:18 pm

1 stop10h 18m

Ontario

Thu 9/24

3:12 pm-5:25 am

1 stop11h 13m

$408

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Sat 10/3

5:06 pm-9:58 pm

1 stop7h 52m

Ontario

Tue 10/6

5:00 am-4:57 pm

2 stops8h 57m

$409

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 6/30

5:01 am-12:04 pm

2 stops10h 03m

Ontario

Thu 7/9

10:25 am-9:49 pm

1 stop8h 24m

$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

7h 25m

Direct flights

None
The fastest flight from Pittsburgh to Ontario takes 7h 25m
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 7h 25m.

  • 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
9,737 reviews
Search United Airlines flights
DeltaPriceFrom $296Free CancellationRating
7.9
8,447 reviews
Search Delta flights
American AirlinesPriceFrom $314Free CancellationRating
7.1
11,648 reviews
Search American Airlines flights
SouthwestPriceFrom $350Free CancellationRating
7.9
4,287 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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