$144+ Cheap flights from Ontario to Pittsburgh (ONT - PIT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — PIT
Oct 7 — Oct 141
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
Cheapest
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 September 7, 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 September 7, 2026.
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:22 pm -
1 stop6h 22m
Mon 10/55:06 pm -
1 stop7h 53m
Deal found 9/2![United Airlines logo]()
$332
This Delta deal was found by Cheapflights users on 9/2. 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.
Sat 9/2612:17 pm -
1 stop9h 14m
Tue 9/295:30 pm -
1 stop9h 17m
Deal found 9/2![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:30 pm -
1 stop6h 55m
Tue 9/296:00 am -
1 stop11h 25m
Deal found 9/2![Southwest logo]()
$342
This Booking.com deal was found by Cheapflights users on 9/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:12 pm -
1 stop14h 13m
Wed 9/307:02 am -
1 stop10h 14m
Deal found 9/2![Alaska Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 9/3. 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 11/276:00 am -
1 stop7h 31m
Fri 12/43:14 pm -
1 stop9h 42m
Deal found 9/3![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 9/2. 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.
Thu 10/2211:15 pm -
1 stop7h 51m
Mon 10/265:46 pm -
1 stop9h 09m
Deal found 9/2![Delta logo]()
$378
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:55 pm -
1 stop8h 10m
Tue 9/296:00 am -
1 stop11h 25m
Deal found 9/2![Southwest logo]()
$383
This American Airlines deal was found by Cheapflights users on 9/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:00 am -
2 stops12h 01m
Tue 9/297:43 am -
1 stop7h 23m
Deal found 9/2![American Airlines logo]()
$386
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:45 am -
2 stops9h 45m
Mon 10/56:40 pm -
2 stops8h 15m
Deal found 9/2![Southwest logo]()
$393
This Booking.com deal was found by Cheapflights users on 9/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:59 pm -
1 stop18h 31m
Fri 10/26:28 pm -
1 stop18h 49m
Deal found 9/4![Alaska Airlines logo]()
$394
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 September 7, 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 September 7, 2026.
This Delta deal was found by Cheapflights users on 9/3. 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.
Sat 10/37:05 am -
1 stop6h 30m
Sat 10/105:46 pm -
1 stop7h 25m
Deal found 9/3![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:55 pm -
1 stop8h 10m
Tue 9/296:00 am -
1 stop11h 25m
Deal found 9/2![Southwest logo]()
$383
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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 10/2211:13 am -
1 stop30h 22m
Tue 10/278:07 am -
1 stop12h 53m
Deal found 9/5![Alaska Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:00 am -
1 stop7h 07m
Mon 11/25:10 pm -
1 stop8h 38m
Deal found 9/2![United Airlines logo]()
$463
This Delta deal was found by Cheapflights users on 9/2. 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.
Sat 9/2612:17 pm -
1 stop9h 14m
Tue 9/295:30 pm -
1 stop9h 17m
Deal found 9/2![Delta logo]()
$337
This Delta deal was found by Cheapflights users on 9/3. 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 10/2211:15 pm -
1 stop7h 51m
Tue 10/275:50 am -
1 stop8h 16m
Deal found 9/3![Delta logo]()
$378
This Southwest deal was found by Cheapflights users on 9/3. 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 10/1310:55 am -
2 stops7h 15m
Tue 11/108:25 am -
2 stops9h 05m
Deal found 9/3![Southwest logo]()
$422
This Delta deal was found by Cheapflights users on 9/2. 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.
Thu 10/2211:15 pm -
1 stop7h 51m
Mon 10/265:46 pm -
1 stop9h 09m
Deal found 9/2![Delta logo]()
$378
This Southwest deal was found by Cheapflights users on 9/4. 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 10/291:30 pm -
1 stop8h 20m
Sat 10/311:45 pm -
1 stop7h 25m
Deal found 9/4![Southwest logo]()
$449
This Southwest deal was found by Cheapflights users on 9/5. 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 12/156:50 am -
1 stop5h 55m
Tue 12/223:10 pm -
2 stops8h 45m
Deal found 9/5![Southwest logo]()
$454
This Delta deal was found by Cheapflights users on 9/3. 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 11/236:00 am -
1 stop7h 31m
Tue 12/15:35 pm -
1 stop9h 23m
Deal found 9/3![Delta logo]()
$438
Last-minute flights from Ontario to PittsburghDiscover last-minute flight deals from Ontario to Pittsburgh. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Pittsburgh. Data last updated September 7, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:30 pm -
1 stop6h 55m
Tue 9/296:00 am -
1 stop11h 25m
Deal found 9/2![Southwest logo]()
$342
This Booking.com deal was found by Cheapflights users on 9/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:12 pm -
1 stop14h 13m
Wed 9/307:02 am -
1 stop10h 14m
Deal found 9/2![Alaska Airlines logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 9/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:14 pm -
1 stop11h 11m
Mon 9/286:28 pm -
1 stop19h 48m
Deal found 9/2![Alaska Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 9/2. 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.
Sat 9/2612:17 pm -
1 stop9h 14m
Tue 9/295:30 pm -
1 stop9h 17m
Deal found 9/2![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:55 pm -
1 stop8h 10m
Tue 9/296:00 am -
1 stop11h 25m
Deal found 9/2![Southwest logo]()
$383
This American Airlines deal was found by Cheapflights users on 9/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:00 am -
2 stops12h 01m
Tue 9/297:43 am -
1 stop7h 23m
Deal found 9/2![American Airlines logo]()
$386
This Booking.com deal was found by Cheapflights users on 9/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:59 pm -
1 stop18h 31m
Fri 10/26:28 pm -
1 stop18h 49m
Deal found 9/4![Alaska Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:22 pm -
1 stop6h 22m
Mon 10/55:06 pm -
1 stop7h 53m
Deal found 9/2![United Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 9/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:45 am -
2 stops9h 45m
Mon 10/56:40 pm -
2 stops8h 15m
Deal found 9/2![Southwest logo]()
$393
This Delta deal was found by Cheapflights users on 9/2. 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.
Thu 10/2211:15 pm -
1 stop7h 51m
Mon 10/265:46 pm -
1 stop9h 09m
Deal found 9/2![Delta logo]()
$378
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 September 7, 2026.
Search for one-way flight options from Ontario to Pittsburgh. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:25 am -
2 stops25h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$144
This Delta deal was found by Cheapflights users on 9/2. 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.
Sat 10/1012:16 pm -
1 stop9h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$169
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/94:03 pm -
1 stop10h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$185
This KAYAK deal was found by Cheapflights users on 9/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2611:15 pm -
1 stop7h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$208
This Southwest deal was found by Cheapflights users on 9/3. 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.
Mon 1/1112:00 pm -
2 stops8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Southwest logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 9/225:44 pm -
2 stops17h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$223
This Expedia deal was found by Cheapflights users on 9/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:02 am -
2 stops13h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Alaska Airlines logo]()
$224
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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 10/316:02 am -
1 stop11h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Alaska Airlines logo]()
$225
This American Airlines deal was found by Cheapflights users on 9/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:34 pm -
2 stops10h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![American Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 9/5. 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 11/277:05 am -
1 stop7h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Delta logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:15 am -
3 stops51h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$238
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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $332 (United Airlines) |
One-way from | $144 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $458 |
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 7,457,451 searches. Data last updated September 7, 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 Ontario - PIT Pittsburgh
ONTPIT
Ontario
Mon 1/11
3:00 pm-12:05 am
1 stop6h 05m
Pittsburgh
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$169
OntarioPittsburgh
ONT Ontario - PIT Pittsburgh
ONTPIT
Ontario
Fri 11/6
12:16 pm-12:46 am
1 stop9h 30m
Pittsburgh
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$185
OntarioPittsburgh
ONT Ontario - PIT Pittsburgh
ONTPIT
Ontario
Mon 10/26
11:15 pm-10:06 am
1 stop7h 51m
Pittsburgh
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$208
OntarioPittsburgh
ONT Ontario - PIT Pittsburgh
ONTPIT
Ontario
Tue 10/27
6:02 am-8:35 pm
1 stop11h 33m
Pittsburgh
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$225
OntarioPittsburgh
ONT Ontario - PIT Pittsburgh
ONTPIT
Ontario
Sat 9/12
3:14 pm-5:25 am
1 stop11h 11m
Pittsburgh
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$244
OntarioPittsburgh
ONT Ontario - PIT Pittsburgh
ONTPIT
Ontario
Fri 9/18
1:04 pm-10:32 pm
1 stop6h 28m
Pittsburgh
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$282
OntarioPittsburgh
ONT Ontario - PIT Pittsburgh
ONTPIT
Ontario
Mon 10/26
11:59 pm-3:49 pm
2 stops12h 50m
Pittsburgh
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$282
OntarioPittsburgh
ONT Ontario - PIT Pittsburgh
ONTPIT
Ontario
Sat 10/31
6:00 am-6:22 pm
2 stops9h 22m
Pittsburgh
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$285
OntarioPittsburgh
ONT Ontario - PIT Pittsburgh
ONTPIT
Ontario
Tue 11/24
7:00 am-4:55 pm
1 stop6h 55m
Pittsburgh
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$299
OntarioPittsburgh
ONT Ontario - PIT Pittsburgh
ONTPIT
Ontario
Tue 9/22
1:50 pm-11:10 pm
1 stop6h 20m
Pittsburgh
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$304
Showing 1-10 of 23 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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | 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
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 July is currently the most expensive (average of $597). 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?
Airfare is below average for this route at the moment.
Ontario to Pittsburgh flights typically cost between $422 and $592 in October.The cheapest round-trip price found within the last 5 days was $332 on United Airlines (Oct 3-Oct 5).
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 September 7, 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
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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.
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Book flights to Pittsburgh if you plan to visit one of these locationsMonroeville
Washington
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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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$285 | Average$414 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$307 | Average$449 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$314 | Average$502 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$314 | Average$457 | FlexibilityNo cancel fee | On-time63% |