Cheap flights from Pittsburgh to Los Angeles from $156
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pittsburgh to Los Angeles departing on 11/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Our best American Airlines deals on Pittsburgh to Ontario flight tickets
United Airlines flights from Pittsburgh to Ontario
Our best United Airlines deals on Pittsburgh to Ontario flight tickets
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Use the filters below to find and compare flights from Pittsburgh to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
PittsburghOntario
PIT Pittsburgh - ONT Ontario
PITONT
Pittsburgh
Wed 11/4
5:50 am-10:10 am
1 stop7h 20m
Ontario
Thu 11/5
8:35 am-5:45 pm
1 stop6h 10m
PittsburghOntario
PIT Pittsburgh - ONT Ontario
PITONT
Pittsburgh
Tue 11/10
5:28 pm-11:49 pm
1 stop9h 21m
Ontario
Mon 11/16
11:10 pm-10:02 am
1 stop7h 52m
PittsburghOntario
PIT Pittsburgh - ONT Ontario
PITONT
Pittsburgh
Wed 11/4
5:40 pm-9:45 pm
1 stop7h 05m
Ontario
Thu 11/5
8:35 am-5:45 pm
1 stop6h 10m
PittsburghOntario
PIT Pittsburgh - ONT Ontario
PITONT
Pittsburgh
Sat 11/7
7:09 am-11:52 am
1 stop7h 43m
Ontario
Sat 11/14
12:42 pm-10:38 pm
1 stop6h 56m
PittsburghOntario
PIT Pittsburgh - ONT Ontario
PITONT
Pittsburgh
Tue 11/3
6:30 am-12:33 pm
2 stops9h 03m
Ontario
Thu 11/5
6:37 pm-5:10 am
1 stop7h 33m
PittsburghOntario
PIT Pittsburgh - ONT Ontario
PITONT
Pittsburgh
Thu 11/19
3:14 pm-9:57 pm
1 stop9h 43m
Ontario
Mon 11/23
12:18 pm-12:46 am
1 stop9h 28m
PittsburghOntario
PIT Pittsburgh - ONT Ontario
PITONT
Pittsburgh
Tue 11/10
6:27 pm-10:35 am
2 stops19h 08m
Ontario
Tue 11/17
5:07 pm-5:32 pm
2 stops21h 25m
PittsburghOntario
PIT Pittsburgh - ONT Ontario
PITONT
Pittsburgh
Wed 11/4
6:00 am-1:31 pm
2 stops10h 31m
Ontario
Thu 11/5
11:59 pm-10:42 am
1 stop7h 43m
PittsburghOntario
PIT Pittsburgh - ONT Ontario
PITONT
Pittsburgh
Tue 11/10
6:27 pm-10:35 am
2 stops19h 08m
Ontario
Mon 11/16
2:23 pm-5:32 pm
2 stops24h 09m
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
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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 $311.
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.
What is the cheapest airline that flies from Pittsburgh to Ontario?
Delta, Southwest, and Alaska Airlines are the most popular carriers operating from Pittsburgh to Ontario
What airlines fly to Ontario?
American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Ontario from Pittsburgh according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 6 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.
When to book flights from Pittsburgh to Ontario
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
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?
The number of operators available for flights from Pittsburgh Airport to Ontario Airport is 4 as of October 2026.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Pittsburgh to Ontario is American Airlines (38% of total bookings). The next most popular airlines are Southwest (31%), United Airlines (20%), and Delta (11%).
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 | ||
|---|---|---|---|---|---|
| PriceFrom $260 | Free Cancellation | Rating 7.8 8,650 reviews | |||
| PriceFrom $303 | Free Cancellation | Rating 7.4 10,331 reviews | |||
| PriceFrom $305 | Free Cancellation | Rating 7.9 4,226 reviews | |||
| PriceFrom $334 | Free Cancellation | Rating 7.0 12,151 reviews |
United Airlines Flights From Pittsburgh to Ontario
United Airlines flies from Pittsburgh to Ontario around 6 times per week, with 10,322 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.