$159+ Cheap flights from Ontario to Pittsburgh (ONT - PIT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PIT
Apr 13 — Apr 201
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Pittsburgh with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Pittsburgh
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Best
Last-minute
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Cheapest flights from Ontario to PittsburghExplore the most affordable flight options available from Ontario to Pittsburgh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 14, 2026.
Explore the most affordable flight options available from Ontario to Pittsburgh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 14, 2026.
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:55 pm
ONT
- PIT
1 stop7h 20m
Southwest
Wed 4/155:25 pm
PIT
- ONT
1 stop8h 00m
Southwest
Deal found 3/12![Southwest logo]()
$317
This American Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/111:58 pm
ONT
- PIT
1 stop7h 45m
American Airlines
Sat 4/411:34 am
PIT
- ONT
2 stops10h 35m
American Airlines
Deal found 3/10![American Airlines logo]()
$322
This American Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:26 pm
ONT
- PIT
1 stop8h 17m
American Airlines
Sat 4/253:30 pm
PIT
- ONT
1 stop8h 37m
American Airlines
Deal found 3/14![American Airlines logo]()
$331
This Southwest deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:30 am
ONT
- PIT
1 stop7h 30m
Southwest
Mon 6/15:35 pm
PIT
- ONT
1 stop8h 30m
Southwest
Deal found 3/13![Southwest logo]()
$333
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:00 am
ONT
- PIT
1 stop7h 40m
Delta
Tue 6/95:35 pm
PIT
- ONT
1 stop9h 09m
Delta
Deal found 3/10![Delta logo]()
$335
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/710:25 pm
ONT
- PIT
1 stop7h 39m
Delta
Wed 4/155:32 pm
PIT
- ONT
1 stop9h 12m
Delta
Deal found 3/12![Delta logo]()
$337
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:59 pm
ONT
- PIT
2 stops10h 05m
American Airlines
Wed 4/1511:34 am
PIT
- ONT
2 stops9h 56m
American Airlines
Deal found 3/12![American Airlines logo]()
$345
Best flights from Ontario to PittsburghDiscover carefully curated flight deals from Ontario to Pittsburgh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 14, 2026.
Discover carefully curated flight deals from Ontario to Pittsburgh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 14, 2026.
This United Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:05 am
ONT
- PIT
1 stop6h 48m
United Airlines
Tue 4/284:18 pm
PIT
- ONT
1 stop7h 18m
United Airlines
Deal found 3/11![United Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/29:55 pm
ONT
- PIT
2 stops9h 10m
Southwest
Mon 4/66:25 pm
PIT
- ONT
2 stops8h 45m
Southwest
Deal found 3/9![Southwest logo]()
$438
This Alaska Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:59 pm
ONT
- PIT
1 stop19h 22m
Alaska Airlines
Mon 5/47:17 pm
PIT
- ONT
1 stop17h 28m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$460
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:40 pm
ONT
- PIT
1 stop7h 09m
United Airlines
Sat 5/98:20 am
PIT
- ONT
2 stops12h 32m
United Airlines
Deal found 3/9![United Airlines logo]()
$441
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:30 am
ONT
- PIT
1 stop7h 20m
Southwest
Sun 6/285:20 am
PIT
- ONT
1 stop7h 00m
Southwest
Deal found 3/9![Southwest logo]()
$457
This Alaska Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:00 am
ONT
- PIT
1 stop9h 21m
Alaska Airlines
Tue 5/197:00 am
PIT
- ONT
1 stop11h 09m
Alaska Airlines
Deal found 3/10![Alaska Airlines logo]()
$462
This United Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/115:10 am
ONT
- PIT
1 stop6h 52m
United Airlines
Sat 4/188:19 am
PIT
- ONT
2 stops12h 28m
United Airlines
Deal found 3/12![United Airlines logo]()
$442
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/71:55 pm
ONT
- PIT
1 stop7h 55m
Southwest
Sun 5/106:10 am
PIT
- ONT
1 stop12h 00m
Southwest
Deal found 3/9![Southwest logo]()
$464
This Alaska Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:00 am
ONT
- PIT
1 stop9h 21m
Alaska Airlines
Sat 4/257:17 pm
PIT
- ONT
1 stop17h 28m
Alaska Airlines
Deal found 3/9![Alaska Airlines logo]()
$470
Last-minute flights from Ontario to PittsburghDiscover last-minute flight deals from Ontario to Pittsburgh. Data last updated March 14, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Pittsburgh. Data last updated March 14, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/111:58 pm
ONT
- PIT
1 stop7h 45m
American Airlines
Sat 4/411:34 am
PIT
- ONT
2 stops10h 35m
American Airlines
Deal found 3/10![American Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/22:50 pm
ONT
- PIT
1 stop6h 20m
Southwest
Mon 4/66:25 pm
PIT
- ONT
1 stop7h 20m
Southwest
Deal found 3/9![Southwest logo]()
$355
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:55 pm
ONT
- PIT
1 stop7h 20m
Southwest
Wed 4/155:25 pm
PIT
- ONT
1 stop8h 00m
Southwest
Deal found 3/12![Southwest logo]()
$317
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/710:25 pm
ONT
- PIT
1 stop7h 39m
Delta
Wed 4/155:32 pm
PIT
- ONT
1 stop9h 12m
Delta
Deal found 3/12![Delta logo]()
$337
This American Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:59 pm
ONT
- PIT
2 stops10h 05m
American Airlines
Wed 4/1511:34 am
PIT
- ONT
2 stops9h 56m
American Airlines
Deal found 3/12![American Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:00 am
ONT
- PIT
1 stop7h 35m
Delta
Wed 4/155:32 pm
PIT
- ONT
1 stop9h 12m
Delta
Deal found 3/12![Delta logo]()
$356
This American Airlines deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:26 pm
ONT
- PIT
1 stop8h 17m
American Airlines
Sat 4/253:30 pm
PIT
- ONT
1 stop8h 37m
American Airlines
Deal found 3/14![American Airlines logo]()
$331
One-way flights from Ontario to PittsburghSearch for one-way flight options from Ontario to Pittsburgh. Find affordable one-way fares based on user searches. Data last updated March 14, 2026.
Search for one-way flight options from Ontario to Pittsburgh. Find affordable one-way fares based on user searches. Data last updated March 14, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
ONT
- PIT
1 stop9h 21m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:59 am
ONT
- PIT
2 stops29h 22m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2712:59 am
ONT
- PIT
2 stops38h 00m
Multiple Airlines
Deal found 3/12![Multiple Airlines logo]()
$162
This American Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:59 pm
ONT
- PIT
2 stops10h 12m
American Airlines
Deal found 3/10![American Airlines logo]()
$164
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3012:50 pm
ONT
- PIT
1 stop8h 15m
Southwest
Deal found 3/12![Southwest logo]()
$167
This Delta deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:00 am
ONT
- PIT
1 stop7h 35m
Delta
Deal found 3/12![Delta logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:47 am
ONT
- PIT
2 stops31h 52m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$171
This Alaska Airlines deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 am
ONT
- PIT
1 stop9h 28m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$178
This Alaska Airlines deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:00 am
ONT
- PIT
1 stop8h 56m
Alaska Airlines
Deal found 3/10![Alaska Airlines logo]()
$179
This Delta deal was found by Cheapflights users on 3/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1010:59 pm
ONT
- PIT
2 stops9h 12m
Delta
Deal found 3/14![Delta logo]()
$182
Find flight deals from Ontario to Pittsburgh
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Pittsburgh (PIT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $317 (Southwest) |
One-way from | $159 (Alaska Airlines) |
Popular in | March |
Cheapest in | February |
Average price | $514 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Pittsburgh that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 14, 2026.
Use the filters below to find and compare flights from Ontario to Pittsburgh that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
OntarioPittsburgh
ONT - PIT
ONTPIT
Ontario
Sat 4/25
6:05 am-3:53 pm
1 stop6h 48m
Pittsburgh
Tue 4/28
4:18 pm-8:36 pm
1 stop7h 18m
$417
OntarioPittsburgh
ONT - PIT
ONTPIT
Ontario
Thu 4/2
9:55 pm-10:05 am
2 stops9h 10m
Pittsburgh
Mon 4/6
6:25 pm-12:10 am
2 stops8h 45m
$438
OntarioPittsburgh
ONT - PIT
ONTPIT
Ontario
Wed 5/6
1:40 pm-11:49 pm
1 stop7h 09m
Pittsburgh
Sat 5/9
8:20 am-5:52 pm
2 stops12h 32m
$441
OntarioPittsburgh
ONT - PIT
ONTPIT
Ontario
Sat 4/11
5:10 am-3:02 pm
1 stop6h 52m
Pittsburgh
Sat 4/18
8:19 am-5:47 pm
2 stops12h 28m
$442
OntarioPittsburgh
ONT - PIT
ONTPIT
Ontario
Sat 5/30
5:30 am-3:50 pm
1 stop7h 20m
Pittsburgh
Sun 6/28
5:20 am-9:20 am
1 stop7h 00m
$457
OntarioPittsburgh
ONT - PIT
ONTPIT
Ontario
Fri 5/1
7:59 pm-6:21 pm
1 stop19h 22m
Pittsburgh
Mon 5/4
7:17 pm-9:45 am
1 stop17h 28m
$460
OntarioPittsburgh
ONT - PIT
ONTPIT
Ontario
Tue 5/12
6:00 am-6:21 pm
1 stop9h 21m
Pittsburgh
Tue 5/19
7:00 am-3:09 pm
1 stop11h 09m
$462
OntarioPittsburgh
ONT - PIT
ONTPIT
Ontario
Thu 5/7
1:55 pm-12:50 am
1 stop7h 55m
Pittsburgh
Sun 5/10
6:10 am-3:10 pm
1 stop12h 00m
$464
OntarioPittsburgh
ONT - PIT
ONTPIT
Ontario
Fri 4/24
6:00 am-6:21 pm
1 stop9h 21m
Pittsburgh
Sat 4/25
7:17 pm-9:45 am
1 stop17h 28m
$470
Cheapest one-way
OntarioPittsburgh
ONT - PIT
ONTPIT
Ontario
Wed 5/6
6:00 am-6:21 pm
1 stop9h 21m
$159
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from Ontario to Pittsburgh
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Pittsburgh in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Pittsburgh flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Pittsburgh flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Pittsburgh flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Pittsburgh flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Pittsburgh flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Pittsburgh
Have a flexible travel schedule? Discover the best time to fly to Pittsburgh from Ontario with our price prediction graph.
ONT-PIT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Pittsburgh
How far ahead should I book a flight from Ontario to Pittsburgh?
Use this chart to determine the optimal time to book a round-trip flight from Ontario to Pittsburgh. Price data was last updated on March 6, 2026.
To ensure you get the cheapest price possible for a flight from Ontario to Pittsburgh, you should look to book at least 67 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Ontario to Pittsburgh?
Currently, July is the cheapest month in which you can book a flight from Ontario to Pittsburgh (average of $109). Flying from Ontario to Pittsburgh in January is currently the most expensive (average of $297). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Pittsburgh
Get insights into the airlines that provide service to Pittsburgh. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pittsburgh. Reviews last updated March 14, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Ontario to Pittsburgh have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Pittsburgh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Pittsburgh?
Book flights to Pittsburgh if you plan to visit one of these locationsMars
Chester
Steubenville
Washington
Monroeville
Wexford
Belle Vernon
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Complete your trip to Pittsburgh by adding a car rental and/or hotel reservation to your travel itinerary.
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Ontario and Pittsburgh flights
Browse other Ontario and Pittsburgh flight options. Last updated on March 14, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on March 14, 2026.
Other flights to Pittsburgh
Explore flights to Pittsburgh departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 14, 2026.
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Top 4 airlines flying from Ontario to Pittsburgh
Discover the top 4 airlines that operate flights from Ontario to Pittsburgh. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$285 | Average$420 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$286 | Average$438 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$296 | Average$449 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$306 | Average$397 | FlexibilityNo cancel fee | On-time63% |