Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

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.
Delta Logo
5:40 pm - 11:37 pm
PIT
-
ONT
8h 57m
1 stop
Delta Logo
7:05 am - 6:26 pm
ONT
-
PIT
8h 21m
1 stop
$305Delta
Tue, Sep 22 - Tue, Sep 29
United Airlines Logo
10:45 am - 8:01 pm
PIT
-
ONT
12h 16m
2 stops
United Airlines Logo
6:00 am - 4:01 pm
ONT
-
PIT
7h 01m
1 stop
$310United Airlines
Wed, Sep 2 - Wed, Sep 16
Alaska Airlines Logo
6:28 pm - 11:16 am
PIT
-
ONT
19h 48m
1 stop
Alaska Airlines Logo
12:12 pm - 5:25 am
ONT
-
PIT
14h 13m
1 stop
$337Alaska Airlines
Tue, Sep 15 - Thu, Sep 17
Southwest Logo
6:30 pm - 10:00 pm
PIT
-
ONT
6h 30m
1 stop
Southwest Logo
2:00 pm - 11:10 pm
ONT
-
PIT
6h 10m
1 stop
$338Southwest
Wed, Aug 19 - Thu, Aug 20
Southwest Logo
6:00 am - 12:40 pm
PIT
-
ONT
9h 40m
2 stops
Southwest Logo
2:00 pm - 11:10 pm
ONT
-
PIT
6h 10m
1 stop
$343Southwest
Wed, Aug 19 - Thu, Aug 20
Southwest Logo
6:30 am - 12:30 pm
PIT
-
ONT
9h 00m
2 stops
Southwest Logo
5:15 am - 8:15 pm
ONT
-
PIT
12h 00m
2 stops
$354Southwest
Wed, Aug 19 - Thu, Aug 20
American Airlines Logo
7:04 am - 11:43 am
PIT
-
ONT
7h 39m
1 stop
American Airlines Logo
12:37 pm - 11:20 pm
ONT
-
PIT
7h 43m
1 stop
$369American Airlines
Wed, Sep 2 - Wed, Sep 16
American Airlines Logo
2:35 pm - 10:37 pm
PIT
-
ONT
11h 02m
2 stops
American Airlines Logo
12:37 pm - 11:20 pm
ONT
-
PIT
7h 43m
1 stop
$371American Airlines
Tue, Sep 22 - Tue, Sep 29
American Airlines Logo
2:35 pm - 10:37 pm
PIT
-
ONT
11h 02m
2 stops
American Airlines Logo
12:37 pm - 11:20 pm
ONT
-
PIT
7h 43m
1 stop
$372American Airlines
Tue, Sep 22 - Tue, Sep 29
United Airlines Logo
1:00 pm - 6:12 pm
PIT
-
ONT
8h 12m
1 stop
United Airlines Logo
5:00 am - 5:14 pm
ONT
-
PIT
9h 14m
2 stops
$374United Airlines
Sat, Aug 15 - Sat, Aug 22

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Delta flights from Pittsburgh to Ontario

Our best Delta deals on Pittsburgh to Ontario flight tickets
Delta
Sep 22
PIT5:40 pmPittsburgh
8h 57m
1 stop
ONT11:37 pmOntario
Sep 29
ONT7:05 amOntario
8h 21m
1 stop
PIT6:26 pmPittsburgh
$305
Delta
Jul 22
PIT1:57 pmPittsburgh
7h 33m
1 stop
ONT6:30 pmOntario
Aug 8
ONT6:00 amOntario
7h 43m
1 stop
PIT4:43 pmPittsburgh
$386
Delta
Jul 14
PIT5:45 amPittsburgh
7h 53m
1 stop
ONT10:38 amOntario
Jul 21
ONT6:00 amOntario
7h 30m
1 stop
PIT4:30 pmPittsburgh
$395

United Airlines flights from Pittsburgh to Ontario

Our best United Airlines deals on Pittsburgh to Ontario flight tickets
United Airlines
Sep 2
PIT10:45 amPittsburgh
12h 16m
2 stops
ONT8:01 pmOntario
Sep 16
ONT6:00 amOntario
7h 01m
1 stop
PIT4:01 pmPittsburgh
$310
United Airlines
Aug 15
PIT1:00 pmPittsburgh
8h 12m
1 stop
ONT6:12 pmOntario
Aug 22
ONT5:00 amOntario
9h 14m
2 stops
PIT5:14 pmPittsburgh
$374
United Airlines
Aug 11
PIT6:10 pmPittsburgh
7h 25m
1 stop
ONT10:35 pmOntario
Aug 12
ONT5:00 amOntario
6h 44m
1 stop
PIT2:44 pmPittsburgh
$442

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 15, 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

5:40 pm-11:37 pm

1 stop8h 57m

Ontario

Tue 9/29

7:05 am-6:26 pm

1 stop8h 21m

$305

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Wed 9/2

10:45 am-8:01 pm

2 stops12h 16m

Ontario

Wed 9/16

6:00 am-4:01 pm

1 stop7h 01m

$310

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 9/15

6:28 pm-11:16 am

1 stop19h 48m

Ontario

Thu 9/17

12:12 pm-5:25 am

1 stop14h 13m

$337
Quickest round-trip

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Wed 8/19

6:30 pm-10:00 pm

1 stop6h 30m

Ontario

Thu 8/20

2:00 pm-11:10 pm

1 stop6h 10m

$338

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Wed 8/19

6:00 am-12:40 pm

2 stops9h 40m

Ontario

Thu 8/20

2:00 pm-11:10 pm

1 stop6h 10m

$343

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Wed 8/19

6:30 am-12:30 pm

2 stops9h 00m

Ontario

Thu 8/20

5:15 am-8:15 pm

2 stops12h 00m

$354

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Wed 9/2

7:04 am-11:43 am

1 stop7h 39m

Ontario

Wed 9/16

12:37 pm-11:20 pm

1 stop7h 43m

$369

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 9/22

2:35 pm-10:37 pm

2 stops11h 02m

Ontario

Tue 9/29

12:37 pm-11:20 pm

1 stop7h 43m

$371

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Tue 9/22

2:35 pm-10:37 pm

2 stops11h 02m

Ontario

Tue 9/29

12:37 pm-11:20 pm

1 stop7h 43m

$372

PittsburghOntario

PIT - ONT

PITONT

Pittsburgh

Sat 8/15

1:00 pm-6:12 pm

1 stop8h 12m

Ontario

Sat 8/22

5:00 am-5:14 pm

2 stops9h 14m

$374

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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, September 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 $305. If you aren’t able to travel during the month of September, then book flights to Ontario from Pittsburgh during December instead. Flights to Ontario in December, while not as cheap as those in September, still average around $350.

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 16m

Direct flights

None
The fastest flight from Pittsburgh to Ontario takes 7h 16m
There are no direct flights from Pittsburgh to Ontario. There are no popular flight routes from Pittsburgh to Ontario.
Search flight deals

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 16m.

  • 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
8,396 reviews
Search Delta flights
United AirlinesPriceFrom $303Free CancellationRating
7.4
9,830 reviews
Search United Airlines flights
American AirlinesPriceFrom $314Free CancellationRating
7.1
11,660 reviews
Search American Airlines flights
SouthwestPriceFrom $350Free CancellationRating
7.9
4,235 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 7/15
Wed 7/22
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States