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Cheap flights from Pittsburgh to Los Angeles from $156

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
5:50 am - 11:06 amPIT  Pittsburgh-ONT Ontario
8h 16m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:07 am - 5:00 pmONT  Ontario-PIT Pittsburgh
6h 53m1 stop Atlanta Hartsfield-Jackson
$333Delta
Thu, Oct 29 - Sat, Nov 7
Delta Logo
3:14 pm - 8:59 pmPIT  Pittsburgh-ONT Ontario
8h 45m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:20 pm - 10:30 pmONT  Ontario-PIT Pittsburgh
7h 10m1 stop Atlanta Hartsfield-Jackson
$355Delta
Tue, Dec 8 - Fri, Dec 11
United Airlines Logo
5:10 pm - 9:40 pmPIT  Pittsburgh-ONT Ontario
7h 30m1 stop Houston George Bush Intcntl
United Airlines Logo
5:00 am - 2:36 pmONT  Ontario-PIT Pittsburgh
6h 36m1 stop Denver Intl
$372United Airlines
Thu, Oct 29 - Wed, Nov 18
United Airlines Logo
5:06 pm - 9:59 pmPIT  Pittsburgh-ONT Ontario
7h 53m1 stop Houston George Bush Intcntl
United Airlines Logo
5:00 am - 2:36 pmONT  Ontario-PIT Pittsburgh
6h 36m1 stop Denver Intl
$372United Airlines
Wed, Oct 21 - Tue, Oct 27
American Airlines Logo
3:34 pm - 10:57 pmPIT  Pittsburgh-ONT Ontario
10h 23m1 stop Dallas/Fort Worth
American Airlines Logo
1:23 pm - 10:46 pmONT  Ontario-PIT Pittsburgh
6h 23m1 stop Phoenix Sky Harbor Intl
$377American Airlines
Tue, Nov 3 - Wed, Nov 11
Southwest Logo
5:45 pm - 9:45 pmPIT  Pittsburgh-ONT Ontario
7h 00m1 stop Denver Intl
Southwest Logo
6:45 am - 3:45 pmONT  Ontario-PIT Pittsburgh
6h 00m1 stop Chicago Midway
$377Southwest
Wed, Jan 13 - Tue, Jan 19
Southwest Logo
6:25 pm - 10:45 pmPIT  Pittsburgh-ONT Ontario
7h 20m1 stop Denver Intl
Southwest Logo
4:00 pm - 1:20 amONT  Ontario-PIT Pittsburgh
6h 20m1 stop Las Vegas Harry Reid Intl
$377Southwest
Thu, Nov 5 - Mon, Nov 9
Alaska Airlines Logo
8:07 am - 6:00 pmPIT  Pittsburgh-ONT Ontario
12h 53m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:02 am - 8:35 pmONT  Ontario-PIT Pittsburgh
11h 33m1 stop Seattle/Tacoma Intl
$379Alaska Airlines
Tue, Oct 27 - Wed, Oct 28
Frontier Logo
6:27 pm - 10:42 amPIT  Pittsburgh-ONT Ontario
19h 15m2 stops Orlando Denver Intl
Frontier Logo
2:23 pm - 5:32 pmONT  Ontario-PIT Pittsburgh
24h 09m2 stops Las Vegas Harry Reid Intl Orlando
$384Frontier
Thu, Oct 29 - Mon, Nov 2
American Airlines Logo
10:02 am - 6:10 pmPIT  Pittsburgh-ONT Ontario
11h 08m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl
American Airlines Logo
1:23 pm - 10:46 pmONT  Ontario-PIT Pittsburgh
6h 23m1 stop Phoenix Sky Harbor Intl
$389American Airlines
Tue, Nov 3 - Wed, Nov 11

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Delta flights from Pittsburgh to Ontario

Our best Delta deals on Pittsburgh to Ontario flight tickets
Delta
Oct 29
PIT5:50 amPittsburgh
8h 16m
1 stop
ONT11:06 amOntario
Nov 7
ONT7:07 amOntario
6h 53m
1 stop
PIT5:00 pmPittsburgh
$333
Delta
Dec 8
PIT3:14 pmPittsburgh
8h 45m
1 stop
ONT8:59 pmOntario
Dec 11
ONT12:20 pmOntario
7h 10m
1 stop
PIT10:30 pmPittsburgh
$355
Delta
Oct 24
PIT5:46 pmPittsburgh
7h 25m
1 stop
ONT10:11 pmOntario
Oct 29
ONT6:00 amOntario
7h 51m
1 stop
PIT4:51 pmPittsburgh
$377

American Airlines flights from Pittsburgh to Ontario

Our best American Airlines deals on Pittsburgh to Ontario flight tickets
American Airlines
Nov 3
PIT10:02 amPittsburgh
11h 08m
2 stops
ONT6:10 pmOntario
Nov 11
ONT1:23 pmOntario
6h 23m
1 stop
PIT10:46 pmPittsburgh
$389
American Airlines
Oct 15
PIT7:29 pmPittsburgh
7h 23m
1 stop
ONT11:52 pmOntario
Oct 21
ONT1:05 pmOntario
6h 51m
1 stop
PIT10:56 pmPittsburgh
$394
American Airlines
Dec 30
PIT5:00 amPittsburgh
9h 51m
2 stops
ONT11:51 amOntario
Jan 9
ONT1:24 pmOntario
6h 27m
1 stop
PIT10:51 pmPittsburgh
$398

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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Route

Depart

Return

Price

Cheapest round-trip

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Thu 10/29

5:50 am-11:06 am

1 stop8h 16m

Ontario

Sat 11/7

7:07 am-5:00 pm

1 stop6h 53m

$333

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Tue 12/8

3:14 pm-8:59 pm

1 stop8h 45m

Ontario

Fri 12/11

12:20 pm-10:30 pm

1 stop7h 10m

$355

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Thu 10/29

5:10 pm-9:40 pm

1 stop7h 30m

Ontario

Wed 11/18

5:00 am-2:36 pm

1 stop6h 36m

$372

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Wed 10/21

5:06 pm-9:59 pm

1 stop7h 53m

Ontario

Tue 10/27

5:00 am-2:36 pm

1 stop6h 36m

$372

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Tue 11/3

3:34 pm-10:57 pm

1 stop10h 23m

Ontario

Wed 11/11

1:23 pm-10:46 pm

1 stop6h 23m

$377
Quickest round-trip

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Wed 1/13

5:45 pm-9:45 pm

1 stop7h 00m

Ontario

Tue 1/19

6:45 am-3:45 pm

1 stop6h 00m

$377

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Thu 11/5

6:25 pm-10:45 pm

1 stop7h 20m

Ontario

Mon 11/9

4:00 pm-1:20 am

1 stop6h 20m

$377

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Tue 10/27

8:07 am-6:00 pm

1 stop12h 53m

Ontario

Wed 10/28

6:02 am-8:35 pm

1 stop11h 33m

$379

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Thu 10/29

6:27 pm-10:42 am

2 stops19h 15m

Ontario

Mon 11/2

2:23 pm-5:32 pm

2 stops24h 09m

$384

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Tue 11/3

10:02 am-6:10 pm

2 stops11h 08m

Ontario

Wed 11/11

1:23 pm-10:46 pm

1 stop6h 23m

$389

Flights are sorted by cheapest round-trip flights 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 low for flights on this route.

Typical prices usually range from $384 to $516.
The lowest price recently found on this route was $333.

What is the cheapest month to fly to Ontario?

In general, February 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 $357. If you aren’t able to travel during the month of February, then book flights to Ontario from Pittsburgh during August instead. Flights to Ontario in August, while not as cheap as those in February, still average around $390.

Can stopping save me money on Pittsburgh to Ontario flights?

You could potentially save up to 3% on your flight if you consider stops on a Pittsburgh to Ontario flight.

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

$156

Fastest flight time

6h 50m

Direct flights

None
The best one-way flight to Ontario from Pittsburgh in the past 72 hours is $156. The best round-trip flight deal from Pittsburgh to Ontario found on momondo in the last 72 hours is $333.
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.
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 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 $303Free CancellationRating
7.4
10,225 reviews
Search United Airlines flights
DeltaPriceFrom $304Free CancellationRating
7.8
8,595 reviews
Search Delta flights
SouthwestPriceFrom $305Free CancellationRating
8.0
4,195 reviews
Search Southwest flights
American AirlinesPriceFrom $314Free CancellationRating
7.0
12,082 reviews
Search American Airlines flights

  • United Airlines Flights From Pittsburgh to Ontario

    United Airlines flies from Pittsburgh to Ontario around 1 time per week, with 10,225 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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