$149+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PIT
Jul 2 — Jul 91
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
One-way
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 June 2, 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 June 2, 2026.
This Delta deal was found by Cheapflights users on 6/1. 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 8/256:00 am
ONT
- PIT
1 stop7h 43m
Delta
Tue 9/16:00 am
PIT
- ONT
1 stop7h 42m
Delta
Deal found 6/1![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 6/1. 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.
Mon 8/2410:00 pm
ONT
- PIT
1 stop8h 05m
Delta
Wed 9/25:39 pm
PIT
- ONT
1 stop7h 44m
Delta
Deal found 6/1![Delta logo]()
$314
This Delta deal was found by Cheapflights users on 6/1. 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.
Mon 8/2410:00 pm
ONT
- PIT
1 stop8h 05m
Delta
Sat 8/295:39 pm
PIT
- ONT
1 stop7h 44m
Delta
Deal found 6/1![Delta logo]()
$331
This United Airlines deal was found by Cheapflights users on 5/31. 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 8/125:00 am
ONT
- PIT
1 stop6h 44m
United Airlines
Mon 8/176:10 pm
PIT
- ONT
1 stop7h 25m
United Airlines
Deal found 5/31![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 6/1. 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 8/612:00 pm
ONT
- PIT
1 stop9h 36m
Delta
Tue 8/115:39 pm
PIT
- ONT
1 stop8h 55m
Delta
Deal found 6/1![Delta logo]()
$361
This Delta deal was found by Cheapflights users on 6/1. 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 8/256:00 am
ONT
- PIT
1 stop7h 43m
Delta
Fri 8/284:55 pm
PIT
- ONT
1 stop7h 57m
Delta
Deal found 6/1![Delta logo]()
$365
This American Airlines deal was found by Cheapflights users on 5/29. 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.
Sat 9/512:59 pm
ONT
- PIT
1 stop6h 28m
American Airlines
Mon 9/76:00 am
PIT
- ONT
1 stop8h 43m
American Airlines
Deal found 5/29![American Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 5/31. 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.
Fri 8/1410:00 pm
ONT
- PIT
1 stop9h 01m
Delta
Mon 8/175:39 pm
PIT
- ONT
1 stop8h 55m
Delta
Deal found 5/31![Delta logo]()
$382
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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.
Sat 9/123:14 pm
ONT
- PIT
1 stop11h 11m
Alaska Airlines
Sat 9/197:02 am
PIT
- ONT
1 stop10h 14m
Alaska Airlines
Deal found 6/1![Alaska Airlines logo]()
$386
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Tue 10/137:00 am
ONT
- PIT
1 stop8h 52m
United Airlines
Sat 10/175:06 pm
PIT
- ONT
1 stop7h 52m
United Airlines
Deal found 6/1![United Airlines logo]()
$391
This Southwest deal was found by Cheapflights users on 5/30. 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 7/711:55 pm
ONT
- PIT
1 stop7h 25m
Southwest
Wed 7/156:00 am
PIT
- ONT
1 stop9h 05m
Southwest
Deal found 5/30![Southwest logo]()
$395
This Delta deal was found by Cheapflights users on 6/1. 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.
Sun 8/306:00 am
ONT
- PIT
1 stop7h 43m
Delta
Mon 8/315:39 pm
PIT
- ONT
1 stop7h 44m
Delta
Deal found 6/1![Delta logo]()
$404
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 June 2, 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 June 2, 2026.
This Delta deal was found by Cheapflights users on 5/31. 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.
Fri 8/1410:00 pm
ONT
- PIT
1 stop9h 01m
Delta
Mon 8/175:39 pm
PIT
- ONT
1 stop8h 55m
Delta
Deal found 5/31![Delta logo]()
$382
This Alaska Airlines deal was found by Cheapflights users on 5/28. 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.
Sat 9/123:14 pm
ONT
- PIT
1 stop11h 11m
Alaska Airlines
Sat 9/197:02 am
PIT
- ONT
1 stop10h 14m
Alaska Airlines
Deal found 5/28![Alaska Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Tue 9/19:01 am
ONT
- PIT
2 stops12h 14m
United Airlines
Wed 9/210:45 am
PIT
- ONT
2 stops13h 08m
United Airlines
Deal found 6/1![United Airlines logo]()
$466
This Southwest deal was found by Cheapflights users on 5/31. 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 7/162:30 pm
ONT
- PIT
1 stop7h 45m
Southwest
Sun 7/195:25 am
PIT
- ONT
1 stop6h 55m
Southwest
Deal found 5/31![Southwest logo]()
$477
This Alaska Airlines deal was found by Cheapflights users on 5/28. 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 9/253:14 pm
ONT
- PIT
1 stop11h 11m
Alaska Airlines
Tue 9/297:02 am
PIT
- ONT
1 stop10h 14m
Alaska Airlines
Deal found 5/28![Alaska Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 6/2. 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 7/1410:00 pm
ONT
- PIT
1 stop9h 45m
Delta
Mon 7/205:40 pm
PIT
- ONT
1 stop9h 08m
Delta
Deal found 6/2![Delta logo]()
$466
This Southwest deal was found by Cheapflights users on 5/29. 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.
Fri 7/319:40 am
ONT
- PIT
1 stop6h 55m
Southwest
Mon 8/35:50 pm
PIT
- ONT
1 stop7h 35m
Southwest
Deal found 5/29![Southwest logo]()
$477
This Alaska Airlines deal was found by Cheapflights users on 5/28. 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.
Thu 9/106:02 am
ONT
- PIT
1 stop8h 28m
Alaska Airlines
Mon 9/147:02 am
PIT
- ONT
1 stop10h 14m
Alaska Airlines
Deal found 5/28![Alaska Airlines logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 5/30. 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.
Thu 9/173:14 pm
ONT
- PIT
1 stop11h 11m
Alaska Airlines
Tue 10/68:05 am
PIT
- ONT
1 stop18h 37m
Alaska Airlines
Deal found 5/30![Alaska Airlines logo]()
$472
Last-minute flights from Ontario to PittsburghDiscover last-minute flight deals from Ontario to Pittsburgh. Data last updated June 2, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Pittsburgh. Data last updated June 2, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/30. 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 7/12:18 pm
ONT
- PIT
1 stop6h 39m
American Airlines
Wed 7/297:01 am
PIT
- ONT
1 stop7h 44m
American Airlines
Deal found 5/30![American Airlines logo]()
$434
This American Airlines deal was found by Cheapflights users on 5/31. 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 7/12:18 pm
ONT
- PIT
1 stop6h 39m
American Airlines
Wed 7/83:36 pm
PIT
- ONT
1 stop9h 58m
American Airlines
Deal found 5/31![American Airlines logo]()
$436
This Southwest deal was found by Cheapflights users on 5/30. 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.
Wed 7/18:30 am
ONT
- PIT
2 stops10h 15m
Southwest
Wed 7/296:30 am
PIT
- ONT
2 stops9h 10m
Southwest
Deal found 5/30![Southwest logo]()
$460
This American Airlines deal was found by Cheapflights users on 5/31. 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.
Thu 7/21:11 pm
ONT
- PIT
1 stop6h 40m
American Airlines
Tue 7/76:01 am
PIT
- ONT
2 stops9h 01m
American Airlines
Deal found 5/31![American Airlines logo]()
$446
This Southwest deal was found by Cheapflights users on 5/30. 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 7/711:55 pm
ONT
- PIT
1 stop7h 25m
Southwest
Wed 7/156:00 am
PIT
- ONT
1 stop9h 05m
Southwest
Deal found 5/30![Southwest logo]()
$395
This American Airlines deal was found by Cheapflights users on 5/30. 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 7/77:15 pm
ONT
- PIT
2 stops11h 15m
American Airlines
Wed 7/157:46 am
PIT
- ONT
1 stop7h 16m
American Airlines
Deal found 5/30![American Airlines logo]()
$405
This Southwest deal was found by Cheapflights users on 5/29. 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.
Fri 7/242:30 pm
ONT
- PIT
1 stop7h 45m
Southwest
Tue 7/2812:50 pm
PIT
- ONT
2 stops9h 10m
Southwest
Deal found 5/29![Southwest logo]()
$439
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 June 2, 2026.
Search for one-way flight options from Ontario to Pittsburgh. Find affordable one-way fares based on user searches. Data last updated June 2, 2026.
This Delta deal was found by Cheapflights users on 6/1. 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 8/1812:00 pm
ONT
- PIT
1 stop9h 36m
Delta
Deal found 6/1![Delta logo]()
$149
This Delta deal was found by Cheapflights users on 6/1. 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.
Mon 8/1710:00 pm
ONT
- PIT
1 stop8h 05m
Delta
Deal found 6/1![Delta logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 5/29. 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.
Wed 7/153:40 pm
ONT
- PIT
2 stops44h 10m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$179
This American Airlines deal was found by Cheapflights users on 5/31. 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 8/1910:29 am
ONT
- PIT
1 stop7h 47m
American Airlines
Deal found 5/31![American Airlines logo]()
$188
This American Airlines deal was found by Cheapflights users on 5/28. 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 7/1411:59 pm
ONT
- PIT
1 stop7h 48m
American Airlines
Deal found 5/28![American Airlines logo]()
$196
This American Airlines deal was found by Cheapflights users on 5/29. 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 7/1512:35 pm
ONT
- PIT
1 stop8h 19m
American Airlines
Deal found 5/29![American Airlines logo]()
$198
This Southwest deal was found by Cheapflights users on 5/31. 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.
Wed 8/1911:55 pm
ONT
- PIT
2 stops9h 15m
Southwest
Deal found 5/31![Southwest logo]()
$203
This Alaska Airlines deal was found by Cheapflights users on 5/28. 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.
Mon 9/143:14 pm
ONT
- PIT
1 stop11h 11m
Alaska Airlines
Deal found 5/28![Alaska Airlines logo]()
$211
This Delta deal was found by Cheapflights users on 6/1. 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 8/612:00 pm
ONT
- PIT
1 stop9h 36m
Delta
Deal found 6/1![Delta logo]()
$213
This Delta deal was found by Cheapflights users on 6/1. 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.
Fri 8/1410:00 pm
ONT
- PIT
1 stop9h 01m
Delta
Deal found 6/1![Delta logo]()
$217
This Southwest deal was found by Cheapflights users on 5/31. 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.
Fri 8/145:15 am
ONT
- PIT
2 stops12h 00m
Southwest
Deal found 5/31![Southwest logo]()
$228
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 June 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $297 (Delta) |
One-way from | $149 (Delta) |
Popular in | April |
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 June 2, 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
OntarioPittsburgh
ONT - PIT
ONTPIT
Ontario
Fri 8/14
10:00 pm-10:01 am
1 stop9h 01m
Pittsburgh
Mon 8/17
5:39 pm-11:34 pm
1 stop8h 55m
$382
OntarioPittsburgh
ONT - PIT
ONTPIT
Ontario
Sat 9/12
3:14 pm-5:25 am
1 stop11h 11m
Pittsburgh
Sat 9/19
7:02 am-2:16 pm
1 stop10h 14m
$428
OntarioPittsburgh
ONT - PIT
ONTPIT
Ontario
Fri 9/25
3:14 pm-5:25 am
1 stop11h 11m
Pittsburgh
Tue 9/29
7:02 am-2:16 pm
1 stop10h 14m
$434
OntarioPittsburgh
ONT - PIT
ONTPIT
Ontario
Thu 9/10
6:02 am-5:30 pm
1 stop8h 28m
Pittsburgh
Mon 9/14
7:02 am-2:16 pm
1 stop10h 14m
$449
OntarioPittsburgh
ONT - PIT
ONTPIT
Ontario
Tue 9/1
9:01 am-12:15 am
2 stops12h 14m
Pittsburgh
Wed 9/2
10:45 am-8:53 pm
2 stops13h 08m
$466
OntarioPittsburgh
ONT - PIT
ONTPIT
Ontario
Tue 7/14
10:00 pm-10:45 am
1 stop9h 45m
Pittsburgh
Mon 7/20
5:40 pm-11:48 pm
1 stop9h 08m
$466
OntarioPittsburgh
ONT - PIT
ONTPIT
Ontario
Thu 9/17
3:14 pm-5:25 am
1 stop11h 11m
Pittsburgh
Tue 10/6
8:05 am-11:42 pm
1 stop18h 37m
$472
OntarioPittsburgh
ONT - PIT
ONTPIT
Ontario
Thu 7/16
2:30 pm-1:15 am
1 stop7h 45m
Pittsburgh
Sun 7/19
5:25 am-9:20 am
1 stop6h 55m
$477
Quickest round-trip
OntarioPittsburgh
ONT - PIT
ONTPIT
Ontario
Fri 7/31
9:40 am-7:35 pm
1 stop6h 55m
Pittsburgh
Mon 8/3
5:50 pm-10:25 pm
1 stop7h 35m
$477
Cheapest one-way
OntarioPittsburgh
ONT - PIT
ONTPIT
Ontario
Wed 8/19
12:00 pm-12:36 am
1 stop9h 36m
$149
Showing 1-10 of 20 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 June.
| 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?
To ensure you get the cheapest price possible for a flight from Ontario to Pittsburgh, you should look to book at least 66 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, February is the cheapest month in which you can book a flight from Ontario to Pittsburgh (average of $304). Flying from Ontario to Pittsburgh in April is currently the most expensive (average of $547). 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.
How much does it cost to fly round-trip from Ontario to Pittsburgh?
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 June 2, 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.
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
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
Washington
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Wexford
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Ontario and Pittsburgh flights
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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 June 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$285 | Average$414 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$296 | Average$435 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$306 | Average$424 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$310 | Average$442 | FlexibilityNo cancel fee | On-time69% |