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Cheap flights from Pittsburgh to Los Angeles from $164

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
5:06 pm - 9:59 pmPIT  Pittsburgh-ONT Ontario
7h 53m1 stop Houston George Bush Intcntl
United Airlines Logo
6:00 am - 3:49 pmONT  Ontario-PIT Pittsburgh
6h 49m1 stop Houston George Bush Intcntl
$332United Airlines
Sat, Oct 3 - Tue, Oct 6
American Airlines Logo
7:12 am - 12:38 pmPIT  Pittsburgh-ONT Ontario
8h 26m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
1:27 pm - 10:46 pmONT  Ontario-PIT Pittsburgh
6h 19m1 stop Phoenix Sky Harbor Intl
$337American Airlines
Wed, Dec 2 - Thu, Dec 10
Southwest Logo
6:00 am - 10:15 amPIT  Pittsburgh-ONT Ontario
7h 15m1 stop Denver Intl
Southwest Logo
11:55 pm - 10:15 amONT  Ontario-PIT Pittsburgh
7h 20m1 stop Chicago Midway
$337Southwest
Wed, Oct 14 - Tue, Oct 20
Delta Logo
5:30 pm - 11:47 pmPIT  Pittsburgh-ONT Ontario
9h 17m1 stop Salt Lake City
Delta Logo
10:00 pm - 10:06 amONT  Ontario-PIT Pittsburgh
9h 06m1 stop Atlanta Hartsfield-Jackson
$337Delta
Tue, Sep 29 - Mon, Oct 5
Delta Logo
5:46 pm - 10:11 pmPIT  Pittsburgh-ONT Ontario
7h 25m1 stop Salt Lake City
Delta Logo
6:00 am - 4:51 pmONT  Ontario-PIT Pittsburgh
7h 51m1 stop Salt Lake City
$337Delta
Sat, Oct 17 - Wed, Oct 21
American Airlines Logo
6:24 pm - 10:37 pmPIT  Pittsburgh-ONT Ontario
7h 13m1 stop Dallas/Fort Worth
American Airlines Logo
12:37 pm - 10:59 pmONT  Ontario-PIT Pittsburgh
7h 22m1 stop Dallas/Fort Worth
$337American Airlines
Tue, Sep 22 - Tue, Sep 29
United Airlines Logo
2:11 pm - 10:51 pmPIT  Pittsburgh-ONT Ontario
11h 40m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
6:00 am - 3:49 pmONT  Ontario-PIT Pittsburgh
6h 49m1 stop Houston George Bush Intcntl
$342United Airlines
Sat, Oct 3 - Tue, Oct 6
Southwest Logo
6:00 am - 10:15 amPIT  Pittsburgh-ONT Ontario
7h 15m1 stop Denver Intl
Southwest Logo
9:15 am - 8:20 pmONT  Ontario-PIT Pittsburgh
8h 05m2 stops Phoenix Sky Harbor Intl Chicago Midway
$358Southwest
Wed, Oct 14 - Tue, Oct 20
Alaska Airlines Logo
6:28 pm - 11:16 amPIT  Pittsburgh-ONT Ontario
19h 48m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
3:14 pm - 5:25 amONT  Ontario-PIT Pittsburgh
11h 11m1 stop Seattle/Tacoma Intl
$369Alaska Airlines
Tue, Sep 29 - Wed, Sep 30
Alaska Airlines Logo
8:08 am - 3:13 pmPIT  Pittsburgh-ONT Ontario
10h 05m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:09 pm - 8:36 pmONT  Ontario-PIT Pittsburgh
25h 27m1 stop Seattle/Tacoma Intl
$369Alaska Airlines
Wed, Nov 11 - Sat, Nov 14

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United Airlines flights from Pittsburgh to Ontario

Our best United Airlines deals on Pittsburgh to Ontario flight tickets
United Airlines
Oct 3
PIT5:06 pmPittsburgh
7h 53m
1 stop
ONT9:59 pmOntario
Oct 6
ONT6:00 amOntario
6h 49m
1 stop
PIT3:49 pmPittsburgh
$332
United Airlines
Oct 3
PIT2:11 pmPittsburgh
11h 40m
2 stops
ONT10:51 pmOntario
Oct 6
ONT6:00 amOntario
6h 49m
1 stop
PIT3:49 pmPittsburgh
$342
United Airlines
Sep 29
PIT5:11 amPittsburgh
10h 35m
2 stops
ONT12:46 pmOntario
Oct 6
ONT6:00 amOntario
6h 49m
1 stop
PIT3:49 pmPittsburgh
$358

American Airlines flights from Pittsburgh to Ontario

Our best American Airlines deals on Pittsburgh to Ontario flight tickets
American Airlines
Sep 29
PIT3:17 pmPittsburgh
7h 52m
1 stop
ONT8:09 pmOntario
Oct 7
ONT10:10 pmOntario
7h 26m
1 stop
PIT8:36 amPittsburgh
$364
American Airlines
Sep 29
PIT7:43 amPittsburgh
7h 23m
1 stop
ONT12:06 pmOntario
Oct 7
ONT7:34 pmOntario
10h 02m
2 stops
PIT8:36 amPittsburgh
$369
American Airlines
Sep 22
PIT6:09 amPittsburgh
10h 16m
2 stops
ONT1:25 pmOntario
Sep 29
ONT10:25 amOntario
9h 34m
1 stop
PIT10:59 pmPittsburgh
$386

momondo Fare Finder

 
Use the filters below to find and compare flights from Pittsburgh to Ontario that are best for you.

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Price

Cheapest round-trip

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Sat 10/3

5:06 pm-9:59 pm

1 stop7h 53m

Ontario

Tue 10/6

6:00 am-3:49 pm

1 stop6h 49m

$332

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Wed 12/2

7:12 am-12:38 pm

1 stop8h 26m

Ontario

Thu 12/10

1:27 pm-10:46 pm

1 stop6h 19m

$337
Quickest round-trip

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Wed 10/14

6:00 am-10:15 am

1 stop7h 15m

Ontario

Tue 10/20

11:55 pm-10:15 am

1 stop7h 20m

$337

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Tue 9/29

5:30 pm-11:47 pm

1 stop9h 17m

Ontario

Mon 10/5

10:00 pm-10:06 am

1 stop9h 06m

$337

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Sat 10/17

5:46 pm-10:11 pm

1 stop7h 25m

Ontario

Wed 10/21

6:00 am-4:51 pm

1 stop7h 51m

$337

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Tue 9/22

6:24 pm-10:37 pm

1 stop7h 13m

Ontario

Tue 9/29

12:37 pm-10:59 pm

1 stop7h 22m

$337

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Sat 10/3

2:11 pm-10:51 pm

2 stops11h 40m

Ontario

Tue 10/6

6:00 am-3:49 pm

1 stop6h 49m

$342

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Wed 10/14

6:00 am-10:15 am

1 stop7h 15m

Ontario

Tue 10/20

9:15 am-8:20 pm

2 stops8h 05m

$358

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Tue 9/29

6:28 pm-11:16 am

1 stop19h 48m

Ontario

Wed 9/30

3:14 pm-5:25 am

1 stop11h 11m

$369

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Wed 11/11

8:08 am-3:13 pm

1 stop10h 05m

Ontario

Sat 11/14

4:09 pm-8:36 pm

1 stop25h 27m

$369

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $305 to $495.
The lowest price recently found on this route was $332.

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 $337. If you aren’t able to travel during the month of September, then book flights to Ontario from Pittsburgh during February instead. Flights to Ontario in February, while not as cheap as those in September, still average around $357.

How have Pittsburgh to Ontario flight prices changed over time?

As of September 2026, prices for Pittsburgh to Ontario flights are approximately 11% cheaper when compared to flights at the same time last year.

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

Best Price Found

$164

Fastest flight time

7h 27m

Direct flights

None
The best one-way flight to Ontario from Pittsburgh in the past 72 hours is $164. The best round-trip flight deal from Pittsburgh to Ontario found on momondo in the last 72 hours is $332.
The fastest flight from Pittsburgh to Ontario takes 7h 27m
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 27m.

  • 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
7.8
8,557 reviews
Search Delta flights
United AirlinesPriceFrom $303Free CancellationRating
7.4
10,173 reviews
Search United Airlines flights
SouthwestPriceFrom $305Free CancellationRating
8.0
4,200 reviews
Search Southwest flights
American AirlinesPriceFrom $314Free CancellationRating
7.1
12,039 reviews
Search American Airlines flights

  • United Airlines Flights From Pittsburgh to Ontario

    United Airlines flies from Pittsburgh to Ontario around 2 times per week, with 10,173 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Pittsburgh to Ontario in the last 72 hours was $303 (round-trip), much lower than the average airfare cost of $476 for United Airlines flights on this route.

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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