$159+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — ONT
Apr 15 — Apr 221
Round-trip
1 adult, Economy
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Find cheap flights from Pittsburgh to Ontario 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
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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 Pittsburgh to Ontario
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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 March 16, 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 March 16, 2026.
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 4/147:05 am
PIT
- ONT
1 stop7h 31m
Delta
Sat 4/1810:15 pm
ONT
- PIT
1 stop8h 00m
Delta
Deal found 3/12![Delta 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 5/195:40 pm
PIT
- ONT
1 stop8h 54m
Delta
Wed 5/206:45 am
ONT
- PIT
2 stops14h 05m
Delta
Deal found 3/12![Delta logo]()
$322
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:44 pm
PIT
- ONT
1 stop10h 23m
American Airlines
Mon 4/2711:59 pm
ONT
- PIT
1 stop7h 45m
American Airlines
Deal found 3/13![American Airlines logo]()
$325
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 5/192:53 pm
PIT
- ONT
1 stop8h 34m
American Airlines
Wed 5/2011:59 pm
ONT
- PIT
1 stop7h 50m
American Airlines
Deal found 3/12![American Airlines logo]()
$333
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.
Wed 4/226:05 am
PIT
- ONT
2 stops8h 50m
Southwest
Mon 4/2711:55 pm
ONT
- PIT
2 stops8h 55m
Southwest
Deal found 3/13![Southwest 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 4/145:32 pm
PIT
- ONT
1 stop9h 12m
Delta
Wed 4/1512:49 pm
ONT
- PIT
1 stop8h 46m
Delta
Deal found 3/12![Delta logo]()
$337
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:30 pm
PIT
- ONT
1 stop9h 21m
Delta
Thu 4/96:00 am
ONT
- PIT
1 stop7h 35m
Delta
Deal found 3/13![Delta logo]()
$345
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:30 pm
PIT
- ONT
1 stop9h 21m
Delta
Tue 4/1410:15 pm
ONT
- PIT
1 stop8h 00m
Delta
Deal found 3/11![Delta logo]()
$346
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 March 16, 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 March 16, 2026.
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.
Sat 4/187:05 am
PIT
- ONT
1 stop7h 31m
Delta
Sat 4/1810:15 pm
ONT
- PIT
1 stop8h 00m
Delta
Deal found 3/12![Delta logo]()
$337
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:18 pm
PIT
- ONT
1 stop7h 18m
United Airlines
Wed 4/297:00 am
ONT
- PIT
1 stop6h 50m
United Airlines
Deal found 3/10![United Airlines logo]()
$417
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 5/17:17 pm
PIT
- ONT
1 stop17h 28m
Alaska Airlines
Mon 5/43:26 pm
ONT
- PIT
1 stop23h 55m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$417
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.
Tue 5/195:40 am
PIT
- ONT
2 stops9h 39m
Delta
Wed 5/209:50 am
ONT
- PIT
2 stops11h 00m
Delta
Deal found 3/14![Delta logo]()
$347
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 4/157:24 pm
PIT
- ONT
1 stop31h 35m
Alaska Airlines
Thu 4/306:00 am
ONT
- PIT
1 stop9h 21m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$420
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:02 am
PIT
- ONT
1 stop9h 18m
United Airlines
Wed 4/85:10 am
ONT
- PIT
1 stop6h 52m
United Airlines
Deal found 3/10![United Airlines logo]()
$436
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 4/155:32 pm
PIT
- ONT
1 stop9h 12m
Delta
Thu 4/1610:15 pm
ONT
- PIT
1 stop8h 00m
Delta
Deal found 3/12![Delta logo]()
$408
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 4/157:24 pm
PIT
- ONT
1 stop31h 35m
Alaska Airlines
Sat 4/253:26 pm
ONT
- PIT
1 stop23h 55m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$488
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.
Mon 4/277:17 pm
PIT
- ONT
1 stop22h 15m
Alaska Airlines
Fri 5/17:59 pm
ONT
- PIT
1 stop19h 22m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$488
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.
Thu 5/287:00 am
PIT
- ONT
1 stop11h 09m
Alaska Airlines
Mon 6/14:03 pm
ONT
- PIT
1 stop10h 37m
Alaska Airlines
Deal found 3/10![Alaska Airlines logo]()
$492
Last-minute flights from Pittsburgh to OntarioDiscover last-minute flight deals from Pittsburgh to Ontario. Data last updated March 16, 2026 and is based on user searches.
Discover last-minute flight deals from Pittsburgh to Ontario. Data last updated March 16, 2026 and is based on user searches.
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 3/315:23 pm
PIT
- ONT
1 stop9h 28m
Delta
Wed 4/86:00 am
ONT
- PIT
1 stop7h 35m
Delta
Deal found 3/10![Delta logo]()
$368
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/75:30 pm
PIT
- ONT
1 stop9h 21m
Delta
Thu 4/96:00 am
ONT
- PIT
1 stop7h 35m
Delta
Deal found 3/13![Delta logo]()
$345
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:30 pm
PIT
- ONT
1 stop9h 21m
Delta
Tue 4/1410:15 pm
ONT
- PIT
1 stop8h 00m
Delta
Deal found 3/11![Delta logo]()
$346
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.
Thu 4/97:35 pm
PIT
- ONT
1 stop7h 11m
American Airlines
Tue 4/1410:26 pm
ONT
- PIT
1 stop8h 17m
American Airlines
Deal found 3/14![American Airlines logo]()
$349
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 4/147:05 am
PIT
- ONT
1 stop7h 31m
Delta
Sat 4/1810:15 pm
ONT
- PIT
1 stop8h 00m
Delta
Deal found 3/12![Delta 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 4/145:32 pm
PIT
- ONT
1 stop9h 12m
Delta
Wed 4/1512:49 pm
ONT
- PIT
1 stop8h 46m
Delta
Deal found 3/12![Delta logo]()
$337
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/221:44 pm
PIT
- ONT
1 stop10h 23m
American Airlines
Mon 4/2711:59 pm
ONT
- PIT
1 stop7h 45m
American Airlines
Deal found 3/13![American Airlines logo]()
$325
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.
Wed 4/226:05 am
PIT
- ONT
2 stops8h 50m
Southwest
Mon 4/2711:55 pm
ONT
- PIT
2 stops8h 55m
Southwest
Deal found 3/13![Southwest logo]()
$335
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:17 pm
PIT
- ONT
1 stop17h 28m
Alaska Airlines
Mon 5/46:00 am
ONT
- PIT
1 stop9h 21m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$357
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 March 16, 2026.
Search for one-way flight options from Pittsburgh to Ontario. Find affordable one-way fares based on user searches. Data last updated March 16, 2026.
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 4/157:25 am
PIT
- ONT
1 stop7h 09m
American Airlines
Deal found 3/14![American Airlines logo]()
$159
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.
Wed 6/36:11 pm
PIT
- ONT
1 stop7h 35m
United Airlines
Deal found 3/12![United Airlines logo]()
$168
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1510:45 am
PIT
- ONT
3 stops23h 46m
Multiple Airlines
Deal found 3/14![Multiple Airlines logo]()
$191
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 4/184:49 pm
PIT
- ONT
1 stop8h 01m
United Airlines
Deal found 3/12![United Airlines logo]()
$209
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.
Tue 4/78:19 am
PIT
- ONT
2 stops12h 43m
United Airlines
Deal found 3/12![United Airlines logo]()
$214
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.
Tue 6/26:11 pm
PIT
- ONT
1 stop7h 35m
United Airlines
Deal found 3/12![United Airlines logo]()
$218
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:55 pm
PIT
- ONT
1 stop7h 36m
United Airlines
Deal found 3/10![United Airlines logo]()
$228
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.
Mon 6/16:11 pm
PIT
- ONT
1 stop7h 35m
United Airlines
Deal found 3/11![United Airlines logo]()
$229
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 March 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $317 (Delta) |
One-way from | $159 (American Airlines) |
Popular in | November |
Cheapest in | December |
Average price | $393 |
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 March 16, 2026.
Use the filters below to find and compare flights from Pittsburgh to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Sat 4/18
7:05 am-11:36 am
1 stop7h 31m
Ontario
Sat 4/18
10:15 pm-9:15 am
1 stop8h 00m
$337
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Tue 5/19
5:40 am-12:19 pm
2 stops9h 39m
Ontario
Wed 5/20
9:50 am-11:50 pm
2 stops11h 00m
$347
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Wed 4/15
5:32 pm-11:44 pm
1 stop9h 12m
Ontario
Thu 4/16
10:15 pm-9:15 am
1 stop8h 00m
$408
Quickest round-trip
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Tue 4/28
4:18 pm-8:36 pm
1 stop7h 18m
Ontario
Wed 4/29
7:00 am-4:50 pm
1 stop6h 50m
$417
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Fri 5/1
7:17 pm-9:45 am
1 stop17h 28m
Ontario
Mon 5/4
3:26 pm-6:21 pm
1 stop23h 55m
$417
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Wed 4/15
7:24 pm-11:59 pm
1 stop31h 35m
Ontario
Thu 4/30
6:00 am-6:21 pm
1 stop9h 21m
$420
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Thu 4/2
6:02 am-12:20 pm
1 stop9h 18m
Ontario
Wed 4/8
5:10 am-3:02 pm
1 stop6h 52m
$436
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Wed 4/15
7:24 pm-11:59 pm
1 stop31h 35m
Ontario
Sat 4/25
3:26 pm-6:21 pm
1 stop23h 55m
$488
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Mon 4/27
7:17 pm-2:32 pm
1 stop22h 15m
Ontario
Fri 5/1
7:59 pm-6:21 pm
1 stop19h 22m
$488
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Thu 5/28
7:00 am-3:09 pm
1 stop11h 09m
Ontario
Mon 6/1
4:03 pm-5:40 am
1 stop10h 37m
$492
Showing 1-10 of 20 resultsSorted by cheapest first
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 March.
| 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
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 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 March 16, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited 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.
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Overall
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
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.
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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Alternative routes for Pittsburgh to Ontario
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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 March 16, 2026.
Pittsburgh and Ontario flights
Browse other Pittsburgh and Ontario flight options. Last updated on March 16, 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 March 16, 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 March 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$296 | Average$448 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$296 | Average$406 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$306 | Average$350 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$350 | Average$441 | FlexibilityNo cancel fee | On-time63% |