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Cheap flights from Pittsburgh to Los Angeles from $169

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
5:59 pm - 10:04 pmPIT  Pittsburgh-ONT Ontario
7h 05m1 stop Salt Lake City
Delta Logo
12:16 pm - 12:46 amONT  Ontario-PIT Pittsburgh
9h 30m1 stop Atlanta Hartsfield-Jackson
$336Delta
Sat, Oct 3 - Sat, Oct 10
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
Southwest Logo
9:35 am - 4:10 pmPIT  Pittsburgh-ONT Ontario
9h 35m1 stop Phoenix Sky Harbor Intl
Southwest Logo
5:55 am - 3:15 pmONT  Ontario-PIT Pittsburgh
6h 20m1 stop Phoenix Sky Harbor Intl
$337Southwest
Wed, Dec 2 - Thu, Dec 10
Southwest Logo
6:40 am - 10:45 amPIT  Pittsburgh-ONT Ontario
7h 05m1 stop Las Vegas Harry Reid Intl
Southwest Logo
4:00 pm - 1:10 amONT  Ontario-PIT Pittsburgh
6h 10m1 stop Las Vegas Harry Reid Intl
$337Southwest
Wed, Oct 28 - Mon, Nov 2
Alaska Airlines Logo
6:28 pm - 11:16 amPIT  Pittsburgh-ONT Ontario
19h 48m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
12:12 pm - 5:25 amONT  Ontario-PIT Pittsburgh
14h 13m1 stop Seattle/Tacoma Intl
$337Alaska Airlines
Mon, Sep 21 - Wed, Sep 23
Delta Logo
5:59 pm - 10:04 pmPIT  Pittsburgh-ONT Ontario
7h 05m1 stop Salt Lake City
Delta Logo
12:16 pm - 12:46 amONT  Ontario-PIT Pittsburgh
9h 30m1 stop Atlanta Hartsfield-Jackson
$337Delta
Sat, Oct 3 - Sat, Oct 10
American Airlines Logo
6:00 am - 11:53 amPIT  Pittsburgh-ONT Ontario
8h 53m1 stop Dallas/Fort Worth
American Airlines Logo
11:59 pm - 10:42 amONT  Ontario-PIT Pittsburgh
7h 43m1 stop Dallas/Fort Worth
$337American Airlines
Wed, Oct 28 - Mon, Nov 2
United Airlines Logo
5:48 pm - 10:51 pmPIT  Pittsburgh-ONT Ontario
8h 03m1 stop San Francisco
United Airlines Logo
5:00 am - 2:36 pmONT  Ontario-PIT Pittsburgh
6h 36m1 stop Denver Intl
$353United Airlines
Mon, Sep 21 - Mon, Nov 2
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
$353Alaska Airlines
Mon, Sep 21 - Thu, Sep 24
United Airlines Logo
5:48 pm - 10:51 pmPIT  Pittsburgh-ONT Ontario
8h 03m1 stop San Francisco
United Airlines Logo
6:08 am - 4:01 pmONT  Ontario-PIT Pittsburgh
6h 53m1 stop San Francisco
$357United Airlines
Fri, Sep 18 - Tue, Sep 22

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Alaska Airlines flights from Pittsburgh to Ontario

Our best Alaska Airlines deals on Pittsburgh to Ontario flight tickets
Alaska Airlines
Sep 15
PIT6:28 pmPittsburgh
19h 48m
1 stop
ONT11:16 amOntario
Sep 19
ONT3:14 pmOntario
11h 11m
1 stop
PIT5:25 amPittsburgh
$377
Alaska Airlines
Sep 10
PIT6:28 pmPittsburgh
19h 48m
1 stop
ONT11:16 amOntario
Sep 15
ONT12:12 pmOntario
14h 13m
1 stop
PIT5:25 amPittsburgh
$402
Alaska Airlines
Nov 19
PIT8:08 amPittsburgh
10h 05m
1 stop
ONT3:13 pmOntario
Dec 2
ONT6:00 amOntario
11h 38m
1 stop
PIT8:38 pmPittsburgh
$412

Southwest flights from Pittsburgh to Ontario

Our best Southwest deals on Pittsburgh to Ontario flight tickets
Southwest
Oct 28
PIT6:00 amPittsburgh
9h 55m
2 stops
ONT12:55 pmOntario
Nov 2
ONT4:00 pmOntario
6h 10m
1 stop
PIT1:10 amPittsburgh
$342
Southwest
Dec 2
PIT8:25 amPittsburgh
9h 15m
2 stops
ONT2:40 pmOntario
Dec 10
ONT8:40 amOntario
9h 10m
2 stops
PIT8:50 pmPittsburgh
$347
Southwest
Oct 28
PIT8:35 amPittsburgh
15h 15m
2 stops
ONT8:50 pmOntario
Nov 2
ONT8:35 amOntario
13h 35m
2 stops
PIT1:10 amPittsburgh
$359

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 10/3

5:59 pm-10:04 pm

1 stop7h 05m

Ontario

Sat 10/10

12:16 pm-12:46 am

1 stop9h 30m

$336

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

Wed 12/2

9:35 am-4:10 pm

1 stop9h 35m

Ontario

Thu 12/10

5:55 am-3:15 pm

1 stop6h 20m

$337
Quickest round-trip

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Wed 10/28

6:40 am-10:45 am

1 stop7h 05m

Ontario

Mon 11/2

4:00 pm-1:10 am

1 stop6h 10m

$337

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Mon 9/21

6:28 pm-11:16 am

1 stop19h 48m

Ontario

Wed 9/23

12:12 pm-5:25 am

1 stop14h 13m

$337

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Sat 10/3

5:59 pm-10:04 pm

1 stop7h 05m

Ontario

Sat 10/10

12:16 pm-12:46 am

1 stop9h 30m

$337

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Wed 10/28

6:00 am-11:53 am

1 stop8h 53m

Ontario

Mon 11/2

11:59 pm-10:42 am

1 stop7h 43m

$337

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Mon 9/21

5:48 pm-10:51 pm

1 stop8h 03m

Ontario

Mon 11/2

5:00 am-2:36 pm

1 stop6h 36m

$353

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Mon 9/21

6:28 pm-11:16 am

1 stop19h 48m

Ontario

Thu 9/24

3:14 pm-5:25 am

1 stop11h 11m

$353

PittsburghOntario

PIT Pittsburgh - ONT Ontario

PITONT

Pittsburgh

Fri 9/18

5:48 pm-10:51 pm

1 stop8h 03m

Ontario

Tue 9/22

6:08 am-4:01 pm

1 stop6h 53m

$357

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 $419.
The lowest price recently found on this route was $336.

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 $335. 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 August 2026, prices for Pittsburgh to Ontario flights are approximately 6% 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

$169

Fastest flight time

6h 55m

Direct flights

None
The best one-way flight to Ontario from Pittsburgh in the past 72 hours is $169. The best round-trip flight deal from Pittsburgh to Ontario found on momondo in the last 72 hours is $336.
The fastest flight from Pittsburgh to Ontario takes 6h 55m
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 55m.

  • 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
8,533 reviews
Search Delta flights
United AirlinesPriceFrom $303Free CancellationRating
7.4
10,146 reviews
Search United Airlines flights
SouthwestPriceFrom $305Free CancellationRating
8.0
4,195 reviews
Search Southwest flights
American AirlinesPriceFrom $314Free CancellationRating
7.1
12,019 reviews
Search American Airlines flights

  • United Airlines Flights From Pittsburgh to Ontario

    United Airlines flies from Pittsburgh to Ontario around 3 times per week, with 10,146 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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