$127+ Cheap flights from Pittsburgh to Ontario (PIT - ONT)
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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — ONT
Mar 15 — Mar 221
1 adult, Economy
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Find cheap flights from Pittsburgh to Ontario with Cheapflights
1. Tell us where you want to go
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Cheapest flights from Pittsburgh to OntarioExplore the most affordable flight options available from Pittsburgh to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
Explore the most affordable flight options available from Pittsburgh to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.
This CheapOair deal was found by Cheapflights users on 2/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/234:14 pm
PIT
- ONT
1 stop10h 45m
Frontier
Thu 2/262:08 pm
ONT
- PIT
1 stop22h 11m
Frontier
Deal found 2/9![Frontier logo]()
$232
This CheapOair deal was found by Cheapflights users on 2/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:17 pm
PIT
- ONT
1 stop17h 28m
Alaska Airlines
Tue 5/56:00 am
ONT
- PIT
1 stop9h 21m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$305
This Priceline deal was found by Cheapflights users on 2/9. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/234:14 pm
PIT
- ONT
1 stop10h 45m
Frontier
Fri 2/276:00 am
ONT
- PIT
1 stop6h 19m
Frontier
Deal found 2/9![Frontier logo]()
$307
This American Airlines deal was found by Cheapflights users on 2/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:19 pm
PIT
- ONT
1 stop7h 40m
American Airlines
Fri 3/2012:22 pm
ONT
- PIT
1 stop7h 51m
American Airlines
Deal found 2/9![American Airlines logo]()
$315
This Southwest deal was found by Cheapflights users on 2/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:55 pm
PIT
- ONT
1 stop7h 25m
Southwest
Wed 3/181:40 pm
ONT
- PIT
1 stop6h 20m
Southwest
Deal found 2/11![Southwest logo]()
$316
This Delta deal was found by Cheapflights users on 2/10. 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 3/315:23 pm
PIT
- ONT
1 stop9h 28m
Delta
Tue 4/1410:15 pm
ONT
- PIT
1 stop9h 29m
Delta
Deal found 2/10![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Wed 3/115:48 pm
PIT
- ONT
1 stop7h 30m
United Airlines
Wed 3/186:37 pm
ONT
- PIT
2 stops12h 04m
United Airlines
Deal found 2/11![United Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 2/12. 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 5/195:04 pm
PIT
- ONT
2 stops9h 30m
Delta
Wed 5/2012:10 pm
ONT
- PIT
1 stop7h 12m
Delta
Deal found 2/12![Delta logo]()
$322
This Delta deal was found by Cheapflights users on 2/8. 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 4/1811:55 am
PIT
- ONT
1 stop9h 38m
Delta
Sun 4/2610:15 pm
ONT
- PIT
1 stop8h 00m
Delta
Deal found 2/8![Delta logo]()
$325
This Delta deal was found by Cheapflights users on 2/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/114:37 pm
PIT
- ONT
2 stops10h 14m
Delta
Wed 3/186:00 am
ONT
- PIT
2 stops8h 19m
Delta
Deal found 2/11![Delta logo]()
$326
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 4/247:17 pm
PIT
- ONT
1 stop17h 28m
Alaska Airlines
Wed 4/296:00 am
ONT
- PIT
1 stop9h 21m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$333
Best flights from Pittsburgh to OntarioDiscover carefully curated flight deals from Pittsburgh to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
Discover carefully curated flight deals from Pittsburgh to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 13, 2026.
This Delta deal was found by Cheapflights users on 2/10. 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.
Sat 3/215:23 pm
PIT
- ONT
1 stop8h 25m
Delta
Wed 3/256:00 am
ONT
- PIT
1 stop7h 27m
Delta
Deal found 2/10![Delta logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 4/247:17 pm
PIT
- ONT
1 stop17h 28m
Alaska Airlines
Wed 4/296:00 am
ONT
- PIT
1 stop9h 21m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 2/10. 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.
Wed 4/15:23 pm
PIT
- ONT
1 stop9h 28m
Delta
Tue 4/146:00 am
ONT
- PIT
1 stop7h 32m
Delta
Deal found 2/10![Delta logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 2/10. 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 5/196:51 pm
PIT
- ONT
1 stop19h 16m
Alaska Airlines
Wed 5/204:03 pm
ONT
- PIT
1 stop10h 37m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 2/10. 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 3/315:23 pm
PIT
- ONT
1 stop9h 28m
Delta
Wed 4/1512:49 pm
ONT
- PIT
1 stop8h 42m
Delta
Deal found 2/10![Delta logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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 5/17:17 pm
PIT
- ONT
1 stop22h 15m
Alaska Airlines
Mon 5/47:59 pm
ONT
- PIT
1 stop19h 22m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 2/12. 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 5/195:04 pm
PIT
- ONT
2 stops9h 30m
Delta
Wed 5/2012:10 pm
ONT
- PIT
1 stop7h 12m
Delta
Deal found 2/12![Delta logo]()
$322
This Delta deal was found by Cheapflights users on 2/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/181:52 pm
PIT
- ONT
1 stop7h 41m
Delta
Sun 4/2610:15 pm
ONT
- PIT
1 stop8h 00m
Delta
Deal found 2/9![Delta logo]()
$335
This Delta deal was found by Cheapflights users on 2/8. 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 3/35:05 pm
PIT
- ONT
1 stop9h 44m
Delta
Thu 3/510:20 pm
ONT
- PIT
1 stop7h 49m
Delta
Deal found 2/8![Delta logo]()
$338
This Delta deal was found by Cheapflights users on 2/10. 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.
Mon 3/305:23 pm
PIT
- ONT
1 stop9h 28m
Delta
Sat 4/116:00 am
ONT
- PIT
1 stop7h 27m
Delta
Deal found 2/10![Delta logo]()
$351
Last-minute flights from Pittsburgh to OntarioDiscover last-minute flight deals from Pittsburgh to Ontario. Data last updated February 13, 2026 and is based on user searches.
Discover last-minute flight deals from Pittsburgh to Ontario. Data last updated February 13, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 2/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/234:14 pm
PIT
- ONT
1 stop10h 45m
Frontier
Fri 2/276:00 am
ONT
- PIT
1 stop6h 19m
Frontier
Deal found 2/12![Frontier logo]()
$307
This Frontier deal was found by Cheapflights users on 2/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/274:14 pm
PIT
- ONT
1 stop10h 45m
Frontier
Mon 3/26:10 am
ONT
- PIT
1 stop6h 09m
Frontier
Deal found 2/12![Frontier logo]()
$346
This Southwest deal was found by Cheapflights users on 2/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:55 pm
PIT
- ONT
1 stop7h 25m
Southwest
Wed 3/181:40 pm
ONT
- PIT
1 stop6h 20m
Southwest
Deal found 2/11![Southwest logo]()
$316
This United Airlines deal was found by Cheapflights users on 2/11. 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.
Wed 3/115:48 pm
PIT
- ONT
1 stop7h 30m
United Airlines
Wed 3/186:37 pm
ONT
- PIT
2 stops12h 04m
United Airlines
Deal found 2/11![United Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 2/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/114:37 pm
PIT
- ONT
2 stops10h 14m
Delta
Wed 3/186:00 am
ONT
- PIT
2 stops8h 19m
Delta
Deal found 2/11![Delta logo]()
$326
This Delta deal was found by Cheapflights users on 2/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/121:42 pm
PIT
- ONT
1 stop10h 18m
Delta
Wed 3/1812:57 pm
ONT
- PIT
1 stop8h 20m
Delta
Deal found 2/11![Delta logo]()
$348
This Delta deal was found by Cheapflights users on 2/12. 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 3/126:00 am
PIT
- ONT
1 stop8h 47m
Delta
Mon 3/1610:25 pm
ONT
- PIT
1 stop7h 39m
Delta
Deal found 2/12![Delta logo]()
$350
This CheapOair deal was found by Cheapflights users on 2/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/167:31 pm
PIT
- ONT
1 stop18h 37m
Alaska Airlines
Fri 3/2010:33 am
ONT
- PIT
1 stop28h 55m
Alaska Airlines
Deal found 2/9![Alaska Airlines logo]()
$353
This American Airlines deal was found by Cheapflights users on 2/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:19 pm
PIT
- ONT
1 stop7h 40m
American Airlines
Fri 3/2012:22 pm
ONT
- PIT
1 stop7h 51m
American Airlines
Deal found 2/9![American Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 2/10. 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.
Mon 3/305:23 pm
PIT
- ONT
1 stop9h 28m
Delta
Sat 4/116:00 am
ONT
- PIT
1 stop7h 27m
Delta
Deal found 2/10![Delta logo]()
$351
This Delta deal was found by Cheapflights users on 2/10. 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 3/315:23 pm
PIT
- ONT
1 stop9h 28m
Delta
Tue 4/1410:15 pm
ONT
- PIT
1 stop9h 29m
Delta
Deal found 2/10![Delta logo]()
$317
One-way flights from Pittsburgh to OntarioSearch for one-way flight options from Pittsburgh to Ontario. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
Search for one-way flight options from Pittsburgh to Ontario. Find affordable one-way fares based on user searches. Data last updated February 13, 2026.
This Frontier deal was found by Cheapflights users on 2/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/234:14 pm
PIT
- ONT
1 stop10h 45m
Frontier
Deal found 2/11![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:45 am
PIT
- ONT
3 stops45h 14m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2410:45 am
PIT
- ONT
3 stops40h 14m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 2/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/157:35 pm
PIT
- ONT
2 stops44h 53m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/235:45 am
PIT
- ONT
3 stops45h 14m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$150
This Delta deal was found by Cheapflights users on 2/10. 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 3/35:05 pm
PIT
- ONT
1 stop9h 44m
Delta
Deal found 2/10![Delta logo]()
$158
This Delta deal was found by Cheapflights users on 2/10. 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 3/175:23 pm
PIT
- ONT
1 stop9h 28m
Delta
Deal found 2/10![Delta logo]()
$159
This United Airlines deal was found by Cheapflights users on 2/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:05 pm
PIT
- ONT
2 stops11h 52m
United Airlines
Deal found 2/10![United Airlines logo]()
$163
This Delta deal was found by Cheapflights users on 2/10. 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.
Sat 3/212:07 pm
PIT
- ONT
2 stops11h 41m
Delta
Deal found 2/10![Delta logo]()
$164
Find flight deals from Pittsburgh to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Pittsburgh (PIT) to Ontario (ONT). 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 February 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $232 (CheapOair) |
One-way from | $127 (Frontier) |
Popular in | September |
Cheapest in | December |
Average price | $357 |
Cheapflights Fare Finder
Customize your flight search to find flights from Pittsburgh to Ontario 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 February 13, 2026.
Use the filters below to find and compare flights from Pittsburgh to Ontario that are best for you.
Fly from
Pittsburgh
Fly to
Ontario
Route
Depart
Return
Price
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Sat 3/21
5:23 pm-10:48 pm
1 stop8h 25m
Ontario
Wed 3/25
6:00 am-4:27 pm
1 stop7h 27m
$317
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Wed 4/1
5:23 pm-11:51 pm
1 stop9h 28m
Ontario
Tue 4/14
6:00 am-4:32 pm
1 stop7h 32m
$317
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Tue 3/31
5:23 pm-11:51 pm
1 stop9h 28m
Ontario
Wed 4/15
12:49 pm-12:31 am
1 stop8h 42m
$317
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Tue 5/19
5:04 pm-11:34 pm
2 stops9h 30m
Ontario
Wed 5/20
12:10 pm-10:22 pm
1 stop7h 12m
$322
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Fri 4/24
7:17 pm-9:45 am
1 stop17h 28m
Ontario
Wed 4/29
6:00 am-6:21 pm
1 stop9h 21m
$333
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Sat 4/18
1:52 pm-6:33 pm
1 stop7h 41m
Ontario
Sun 4/26
10:15 pm-9:15 am
1 stop8h 00m
$335
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Tue 5/19
6:51 pm-11:07 am
1 stop19h 16m
Ontario
Wed 5/20
4:03 pm-5:40 am
1 stop10h 37m
$338
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Tue 3/3
5:05 pm-11:49 pm
1 stop9h 44m
Ontario
Thu 3/5
10:20 pm-9:09 am
1 stop7h 49m
$338
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Fri 5/1
7:17 pm-2:32 pm
1 stop22h 15m
Ontario
Mon 5/4
7:59 pm-6:21 pm
1 stop19h 22m
$343
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Mon 3/30
5:23 pm-11:51 pm
1 stop9h 28m
Ontario
Sat 4/11
6:00 am-4:27 pm
1 stop7h 27m
$351
Showing 1-10 of 18 results
Compare providers for flights from Pittsburgh to Ontario
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 Pittsburgh to Ontario in February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Pittsburgh-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Pittsburgh-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Pittsburgh-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Pittsburgh-Ontario 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 Pittsburgh-Ontario 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 Pittsburgh to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Pittsburgh with our price prediction graph.
PIT-ONT
Estimated round-trip price
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Cheapflights Insights
Everything you need to know about your flight from Pittsburgh to Ontario
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated February 13, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Pittsburgh to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Boarding
8.1
Crew
8.6
Overall
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Related info for your journey
Find useful and relevant information for your journey from Pittsburgh to Ontario. 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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Alternative routes for Pittsburgh to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Pittsburgh to Ontario by cabin class
Find flights from Pittsburgh to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 13, 2026.
Pittsburgh and Ontario flights
Browse other Pittsburgh and Ontario flight options. Last updated on February 13, 2026.
Other flights from Pittsburgh
Browse through other flights departing from Pittsburgh. Flights are based on user searches made on Cheapflights and were last updated on February 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Pittsburgh to Ontario
Discover the top 4 airlines that operate flights from Pittsburgh to Ontario. 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 February 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$296 | Average$475 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$296 | Average$406 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$303 | Average$416 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$306 | Average$401 | FlexibilityNo cancel fee | On-time71% |