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Cheap flights from Pittsburgh to Los Angeles from $162

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
3:13 pm - 7:55 pmPIT  Pittsburgh-ONT Ontario
7h 42m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:20 pm - 12:46 amONT  Ontario-PIT Pittsburgh
9h 26m1 stop Atlanta Hartsfield-Jackson
$323Delta
Sat, Dec 5 - Sat, Dec 12
United Airlines Logo
5:00 pm - 9:59 pmPIT  Pittsburgh-ONT Ontario
7h 59m1 stop Houston George Bush Intcntl
United Airlines Logo
1:42 pm - 10:52 pmONT  Ontario-PIT Pittsburgh
6h 10m1 stop Denver Intl
$374United Airlines
Fri, Dec 11 - Sat, Jan 9
American Airlines Logo
7:07 am - 12:41 pmPIT  Pittsburgh-ONT Ontario
8h 34m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
7:36 pm - 9:37 amONT  Ontario-PIT Pittsburgh
11h 01m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl
$382American Airlines
Thu, Dec 17 - Wed, Dec 23
Southwest Logo
1:25 pm - 10:00 pmPIT  Pittsburgh-ONT Ontario
11h 35m2 stops Austin Bergstrom Las Vegas Harry Reid Intl
Southwest Logo
5:20 am - 2:40 pmONT  Ontario-PIT Pittsburgh
6h 20m1 stop Phoenix Sky Harbor Intl
$384Southwest
Fri, Dec 11 - Sat, Jan 9
American Airlines Logo
5:43 pm - 11:20 pmPIT  Pittsburgh-ONT Ontario
8h 37m1 stop Charlotte Douglas
American Airlines Logo
11:59 pm - 10:47 amONT  Ontario-PIT Pittsburgh
7h 48m1 stop Dallas/Fort Worth
$389American Airlines
Thu, Nov 19 - Mon, Nov 23
Delta Logo
5:35 pm - 11:57 pmPIT  Pittsburgh-ONT Ontario
9h 22m1 stop Salt Lake City
Delta Logo
6:00 am - 3:43 pmONT  Ontario-PIT Pittsburgh
6h 43m1 stop Salt Lake City
$393Delta
Thu, Dec 17 - Thu, Dec 24
Southwest Logo
5:40 am - 10:40 amPIT  Pittsburgh-ONT Ontario
8h 00m1 stop Las Vegas Harry Reid Intl
Southwest Logo
2:35 pm - 12:20 amONT  Ontario-PIT Pittsburgh
6h 45m1 stop Denver Intl
$397Southwest
Thu, Dec 17 - Wed, Dec 23
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
$415Alaska Airlines
Mon, Nov 9 - Fri, Nov 13
Alaska Airlines Logo
8:05 am - 3:20 pmPIT  Pittsburgh-ONT Ontario
10h 15m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:00 am - 8:35 pmONT  Ontario-PIT Pittsburgh
10h 35m1 stop Seattle/Tacoma Intl
$415Alaska Airlines
Fri, Jan 22 - Fri, Jan 29
United Airlines Logo
4:58 pm - 9:40 pmPIT  Pittsburgh-ONT Ontario
7h 42m1 stop Houston George Bush Intcntl
United Airlines Logo
6:00 am - 4:07 pmONT  Ontario-PIT Pittsburgh
7h 07m1 stop San Francisco
$448United Airlines
Tue, Nov 10 - Wed, Nov 11

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Frontier flights from Pittsburgh to Ontario

Our best Frontier deals on Pittsburgh to Ontario flight tickets
Frontier
Dec 7
PIT6:28 pmPittsburgh
30h 49m
2 stops
ONT10:17 pmOntario
Dec 10
ONT11:30 amOntario
27h 03m
2 stops
PIT5:33 pmPittsburgh
$405
Frontier
Nov 9
PIT6:27 pmPittsburgh
25h 11m
2 stops
ONT4:38 pmOntario
Nov 11
ONT5:07 pmOntario
21h 25m
2 stops
PIT5:32 pmPittsburgh
$443
Frontier
Dec 10
PIT6:28 pmPittsburgh
20h 23m
2 stops
ONT11:51 amOntario
Dec 13
ONT11:30 amOntario
27h 03m
2 stops
PIT5:33 pmPittsburgh
$465

American Airlines flights from Pittsburgh to Ontario

Our best American Airlines deals on Pittsburgh to Ontario flight tickets
American Airlines
Dec 17
PIT7:07 amPittsburgh
8h 34m
1 stop
ONT12:41 pmOntario
Dec 23
ONT7:36 pmOntario
11h 01m
2 stops
PIT9:37 amPittsburgh
$382
American Airlines
Nov 19
PIT5:43 pmPittsburgh
8h 37m
1 stop
ONT11:20 pmOntario
Nov 23
ONT11:59 pmOntario
7h 48m
1 stop
PIT10:47 amPittsburgh
$389
American Airlines
Dec 1
PIT7:00 amPittsburgh
11h 35m
2 stops
ONT3:35 pmOntario
Dec 8
ONT7:00 amOntario
6h 54m
1 stop
PIT4:54 pmPittsburgh
$403

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

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Price

Cheapest round-trip

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Sat 12/5

3:13 pm-7:55 pm

1 stop7h 42m

Ontario

Sat 12/12

12:20 pm-12:46 am

1 stop9h 26m

$323
Quickest round-trip

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Fri 12/11

5:00 pm-9:59 pm

1 stop7h 59m

Ontario

Sat 1/9

1:42 pm-10:52 pm

1 stop6h 10m

$374

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Thu 12/17

7:07 am-12:41 pm

1 stop8h 34m

Ontario

Wed 12/23

7:36 pm-9:37 am

2 stops11h 01m

$382

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Fri 12/11

1:25 pm-10:00 pm

2 stops11h 35m

Ontario

Sat 1/9

5:20 am-2:40 pm

1 stop6h 20m

$384

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Thu 11/19

5:43 pm-11:20 pm

1 stop8h 37m

Ontario

Mon 11/23

11:59 pm-10:47 am

1 stop7h 48m

$389

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Thu 12/17

5:35 pm-11:57 pm

1 stop9h 22m

Ontario

Thu 12/24

6:00 am-3:43 pm

1 stop6h 43m

$393

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Thu 12/17

5:40 am-10:40 am

1 stop8h 00m

Ontario

Wed 12/23

2:35 pm-12:20 am

1 stop6h 45m

$397

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Mon 11/9

8:08 am-3:13 pm

1 stop10h 05m

Ontario

Fri 11/13

4:09 pm-8:36 pm

1 stop25h 27m

$415

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Fri 1/22

8:05 am-3:20 pm

1 stop10h 15m

Ontario

Fri 1/29

7:00 am-8:35 pm

1 stop10h 35m

$415

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Tue 11/10

4:58 pm-9:40 pm

1 stop7h 42m

Ontario

Wed 11/11

6:00 am-4:07 pm

1 stop7h 07m

$448

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 $375 to $462.
The lowest price recently found on this route was $323.

What is the cheapest month to fly to Ontario?

In general, August 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 $390. If you aren’t able to travel during the month of August, then book flights to Ontario from Pittsburgh during March instead. Flights to Ontario in March, while not as cheap as those in August, still average around $393.

Can stopping save me money on Pittsburgh to Ontario flights?

No. A direct flight is the cheapest option for a flight between Pittsburgh to Ontario.

How have Pittsburgh to Ontario flight prices changed over time?

As of October 2026, prices for Pittsburgh to Ontario flights are approximately 282% more expensive 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

$162

Fastest flight time

7h 27m

Direct flights

None
The best one-way flight to Ontario from Pittsburgh in the past 72 hours is $162. The best round-trip flight deal from Pittsburgh to Ontario found on momondo in the last 72 hours is $323.
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 $260Free CancellationRating
7.8
8,682 reviews
Search Delta flights
SouthwestPriceFrom $305Free CancellationRating
7.9
4,220 reviews
Search Southwest flights
American AirlinesPriceFrom $334Free CancellationRating
7.0
12,193 reviews
Search American Airlines flights
United AirlinesPriceFrom $357Free CancellationRating
7.3
10,444 reviews
Search United Airlines flights

  • United Airlines Flights From Pittsburgh to Ontario

    United Airlines flies from Pittsburgh to Ontario around 5 times per week, with 10,444 momondo users rating the airline 7.3/10. The cheapest United Airlines deal from Pittsburgh to Ontario in the last 72 hours was $357 (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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