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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.
Southwest Logo
5:40 pm - 9:45 pmPIT  Pittsburgh-ONT Ontario
7h 05m1 stop Denver Intl
Southwest Logo
6:50 am - 3:45 pmONT  Ontario-PIT Pittsburgh
5h 55m1 stop Denver Intl
$377Southwest
Tue, Dec 1 - Tue, Dec 8
Southwest Logo
5:40 pm - 9:45 pmPIT  Pittsburgh-ONT Ontario
7h 05m1 stop Denver Intl
Southwest Logo
8:40 am - 9:00 pmONT  Ontario-PIT Pittsburgh
9h 20m2 stops Phoenix Sky Harbor Intl Nashville Intl
$382Southwest
Tue, Dec 1 - Tue, Dec 8
United Airlines Logo
5:10 pm - 9:40 pmPIT  Pittsburgh-ONT Ontario
7h 30m1 stop Houston George Bush Intcntl
United Airlines Logo
6:00 am - 3:47 pmONT  Ontario-PIT Pittsburgh
6h 47m1 stop Houston George Bush Intcntl
$388United Airlines
Fri, Nov 6 - Tue, Nov 10
Delta Logo
5:03 pm - 9:54 pmPIT  Pittsburgh-ONT Ontario
7h 51m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:07 am - 4:54 pmONT  Ontario-PIT Pittsburgh
6h 47m1 stop Atlanta Hartsfield-Jackson
$392Delta
Fri, Oct 23 - Wed, Oct 28
Delta Logo
5:03 pm - 9:54 pmPIT  Pittsburgh-ONT Ontario
7h 51m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:16 pm - 11:10 pmONT  Ontario-PIT Pittsburgh
7h 54m1 stop Atlanta Hartsfield-Jackson
$392Delta
Fri, Oct 23 - Sat, Oct 31
American Airlines Logo
7:12 am - 1:30 pmPIT  Pittsburgh-ONT Ontario
9h 18m1 stop Dallas/Fort Worth
American Airlines Logo
1:24 pm - 10:58 pmONT  Ontario-PIT Pittsburgh
6h 34m1 stop Phoenix Sky Harbor Intl
$393American Airlines
Wed, Dec 30 - Sat, Jan 9
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 - 4:55 pmONT  Ontario-PIT Pittsburgh
8h 55m2 stops Denver Intl Chicago O'Hare Intl
$394United Airlines
Fri, Nov 6 - Tue, Nov 10
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
$402Alaska Airlines
Sat, Nov 7 - Thu, Nov 12
American Airlines Logo
7:12 am - 1:30 pmPIT  Pittsburgh-ONT Ontario
9h 18m1 stop Dallas/Fort Worth
American Airlines Logo
6:20 am - 8:44 pmONT  Ontario-PIT Pittsburgh
11h 24m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl
$405American Airlines
Wed, Dec 30 - Sat, Jan 9
Alaska Airlines Logo
8:07 am - 12:06 pmPIT  Pittsburgh-ONT Ontario
30h 59m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:00 am - 8:36 pmONT  Ontario-PIT Pittsburgh
11h 36m1 stop Seattle/Tacoma Intl
$461Alaska Airlines
Sat, Oct 31 - Sat, Nov 7

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Delta flights from Pittsburgh to Ontario

Our best Delta deals on Pittsburgh to Ontario flight tickets
Delta
Oct 23
PIT5:03 pmPittsburgh
7h 51m
1 stop
ONT9:54 pmOntario
Oct 28
ONT7:07 amOntario
6h 47m
1 stop
PIT4:54 pmPittsburgh
$392
Delta
Nov 21
PIT5:28 pmPittsburgh
7h 48m
1 stop
ONT10:16 pmOntario
Dec 2
ONT6:00 amOntario
7h 39m
1 stop
PIT4:39 pmPittsburgh
$432
Delta
Nov 11
PIT5:28 pmPittsburgh
9h 21m
1 stop
ONT11:49 pmOntario
Nov 15
ONT12:18 pmOntario
9h 28m
1 stop
PIT12:46 amPittsburgh
$468

American Airlines flights from Pittsburgh to Ontario

Our best American Airlines deals on Pittsburgh to Ontario flight tickets
American Airlines
Dec 30
PIT7:12 amPittsburgh
9h 18m
1 stop
ONT1:30 pmOntario
Jan 9
ONT1:24 pmOntario
6h 34m
1 stop
PIT10:58 pmPittsburgh
$393
American Airlines
Dec 30
PIT7:12 amPittsburgh
7h 47m
1 stop
ONT11:59 amOntario
Jan 9
ONT9:28 amOntario
10h 46m
2 stops
PIT11:14 pmPittsburgh
$405
American Airlines
Dec 1
PIT4:03 pmPittsburgh
8h 49m
2 stops
ONT9:52 pmOntario
Dec 8
ONT6:30 amOntario
10h 04m
2 stops
PIT7:34 pmPittsburgh
$408

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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Depart

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Price

Cheapest round-trip
Quickest round-trip

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Tue 12/1

5:40 pm-9:45 pm

1 stop7h 05m

Ontario

Tue 12/8

6:50 am-3:45 pm

1 stop5h 55m

$377

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Tue 12/1

5:40 pm-9:45 pm

1 stop7h 05m

Ontario

Tue 12/8

8:40 am-9:00 pm

2 stops9h 20m

$382

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Fri 11/6

5:10 pm-9:40 pm

1 stop7h 30m

Ontario

Tue 11/10

6:00 am-3:47 pm

1 stop6h 47m

$388

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Fri 10/23

5:03 pm-9:54 pm

1 stop7h 51m

Ontario

Wed 10/28

7:07 am-4:54 pm

1 stop6h 47m

$392

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Fri 10/23

5:03 pm-9:54 pm

1 stop7h 51m

Ontario

Sat 10/31

12:16 pm-11:10 pm

1 stop7h 54m

$392

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Wed 12/30

7:12 am-1:30 pm

1 stop9h 18m

Ontario

Sat 1/9

1:24 pm-10:58 pm

1 stop6h 34m

$393

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Fri 11/6

5:10 pm-9:40 pm

1 stop7h 30m

Ontario

Tue 11/10

5:00 am-4:55 pm

2 stops8h 55m

$394

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Sat 11/7

8:08 am-3:13 pm

1 stop10h 05m

Ontario

Thu 11/12

4:09 pm-8:36 pm

1 stop25h 27m

$402

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Wed 12/30

7:12 am-1:30 pm

1 stop9h 18m

Ontario

Sat 1/9

6:20 am-8:44 pm

2 stops11h 24m

$405

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Sat 10/31

8:07 am-12:06 pm

1 stop30h 59m

Ontario

Sat 11/7

6:00 am-8:36 pm

1 stop11h 36m

$461

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 low for flights on this route.

Typical prices usually range from $464 to $630.
The lowest price recently found on this route was $377.

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?

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

$156

Fastest flight time

7h 14m

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 $377.
The fastest flight from Pittsburgh to Ontario takes 7h 14m
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 14m.

  • 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
8,631 reviews
Search Delta flights
United AirlinesPriceFrom $303Free CancellationRating
7.4
10,280 reviews
Search United Airlines flights
SouthwestPriceFrom $305Free CancellationRating
8.0
4,213 reviews
Search Southwest flights
American AirlinesPriceFrom $334Free CancellationRating
7.0
12,128 reviews
Search American Airlines flights

  • United Airlines Flights From Pittsburgh to Ontario

    United Airlines flies from Pittsburgh to Ontario around 6 times per week, with 10,280 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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