$153+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — ONT
Jul 11 — Jul 181
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
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 Pittsburgh to Ontario
Cheapest
Best
Last-minute
One-way
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 June 11, 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 June 11, 2026.
This United Airlines deal was found by Cheapflights users on 6/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:00 am
PIT
- ONT
1 stop10h 01m
United Airlines
Tue 9/297:00 am
ONT
- PIT
1 stop6h 57m
United Airlines
Deal found 6/8![United Airlines logo]()
$305
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am
PIT
- ONT
1 stop7h 15m
Southwest
Tue 9/2910:55 am
ONT
- PIT
1 stop9h 10m
Southwest
Deal found 6/9![Southwest logo]()
$306
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:28 pm
PIT
- ONT
1 stop19h 48m
Alaska Airlines
Sat 9/2612:12 pm
ONT
- PIT
1 stop14h 13m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Tue 9/226:00 am
PIT
- ONT
2 stops10h 25m
American Airlines
Tue 9/2912:37 pm
ONT
- PIT
1 stop7h 43m
American Airlines
Deal found 6/9![American Airlines logo]()
$358
This Expedia deal was found by Cheapflights users on 6/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:28 pm
PIT
- ONT
1 stop19h 48m
Alaska Airlines
Tue 9/294:50 pm
ONT
- PIT
2 stops21h 40m
Alaska Airlines
Deal found 6/9![Alaska Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 6/8. 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 12/88:35 am
PIT
- ONT
2 stops16h 39m
Delta
Tue 12/1510:59 pm
ONT
- PIT
1 stop7h 09m
Delta
Deal found 6/8![Delta logo]()
$366
This CheapOair deal was found by Cheapflights users on 6/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:05 am
PIT
- ONT
1 stop12h 55m
Alaska Airlines
Tue 11/34:09 pm
ONT
- PIT
1 stop25h 27m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 6/8. 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 9/225:40 pm
PIT
- ONT
1 stop8h 57m
Delta
Sun 9/2710:00 pm
ONT
- PIT
1 stop9h 05m
Delta
Deal found 6/8![Delta logo]()
$391
This Delta deal was found by Cheapflights users on 6/10. 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 7/145:45 am
PIT
- ONT
1 stop7h 53m
Delta
Tue 7/216:00 am
ONT
- PIT
1 stop7h 30m
Delta
Deal found 6/10![Delta logo]()
$395
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 June 11, 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 June 11, 2026.
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:00 am
PIT
- ONT
1 stop7h 15m
Southwest
Tue 9/299:40 am
ONT
- PIT
2 stops8h 35m
Southwest
Deal found 6/9![Southwest logo]()
$396
This Delta deal was found by Cheapflights users on 6/10. 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.
Sun 8/235:39 pm
PIT
- ONT
1 stop8h 55m
Delta
Sat 8/296:00 am
ONT
- PIT
1 stop7h 43m
Delta
Deal found 6/10![Delta logo]()
$423
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/1110:45 am
PIT
- ONT
2 stops12h 16m
United Airlines
Wed 8/125:00 am
ONT
- PIT
1 stop6h 44m
United Airlines
Deal found 6/10![United Airlines logo]()
$474
This Alaska Airlines deal was found by Cheapflights users on 6/7. 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 9/187:02 am
PIT
- ONT
1 stop10h 14m
Alaska Airlines
Sat 9/266:02 am
ONT
- PIT
1 stop8h 28m
Alaska Airlines
Deal found 6/7![Alaska Airlines logo]()
$477
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:00 am
PIT
- ONT
1 stop9h 05m
Southwest
Thu 7/162:30 pm
ONT
- PIT
1 stop7h 45m
Southwest
Deal found 6/8![Southwest logo]()
$436
This Delta deal was found by Cheapflights users on 6/10. 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 7/85:40 pm
PIT
- ONT
1 stop9h 08m
Delta
Fri 7/1010:00 pm
ONT
- PIT
1 stop9h 37m
Delta
Deal found 6/10![Delta logo]()
$436
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/301:47 pm
PIT
- ONT
1 stop7h 43m
Delta
Thu 7/911:48 am
ONT
- PIT
1 stop10h 02m
Delta
Deal found 6/6![Delta logo]()
$441
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/155:40 am
PIT
- ONT
2 stops8h 50m
Southwest
Fri 7/172:30 pm
ONT
- PIT
1 stop7h 45m
Southwest
Deal found 6/8![Southwest logo]()
$441
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 7/16:16 pm
PIT
- ONT
1 stop7h 35m
United Airlines
Tue 7/71:18 pm
ONT
- PIT
1 stop6h 27m
United Airlines
Deal found 6/10![United Airlines logo]()
$505
This Delta deal was found by Cheapflights users on 6/10. 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 7/155:40 pm
PIT
- ONT
1 stop9h 08m
Delta
Fri 7/1711:48 am
ONT
- PIT
1 stop10h 02m
Delta
Deal found 6/10![Delta logo]()
$466
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/301:47 pm
PIT
- ONT
1 stop7h 43m
Delta
Tue 7/76:00 am
ONT
- PIT
1 stop7h 30m
Delta
Deal found 6/10![Delta logo]()
$497
Last-minute flights from Pittsburgh to OntarioDiscover last-minute flight deals from Pittsburgh to Ontario. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from Pittsburgh to Ontario. Data last updated June 11, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/7. 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 6/307:44 am
PIT
- ONT
1 stop7h 20m
American Airlines
Thu 7/97:15 pm
ONT
- PIT
2 stops11h 15m
American Airlines
Deal found 6/7![American Airlines logo]()
$446
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:15 pm
PIT
- ONT
1 stop8h 45m
Southwest
Sat 7/410:30 am
ONT
- PIT
2 stops8h 20m
Southwest
Deal found 6/8![Southwest logo]()
$400
This Delta deal was found by Cheapflights users on 6/9. 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.
Fri 7/31:47 pm
PIT
- ONT
1 stop7h 43m
Delta
Mon 7/610:00 pm
ONT
- PIT
2 stops17h 00m
Delta
Deal found 6/9![Delta logo]()
$451
This Delta deal was found by Cheapflights users on 6/10. 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 7/134:55 pm
PIT
- ONT
1 stop7h 55m
Delta
Wed 7/2211:48 am
ONT
- PIT
1 stop10h 02m
Delta
Deal found 6/10![Delta logo]()
$436
This Delta deal was found by Cheapflights users on 6/10. 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 7/145:45 am
PIT
- ONT
1 stop7h 53m
Delta
Tue 7/216:00 am
ONT
- PIT
1 stop7h 30m
Delta
Deal found 6/10![Delta logo]()
$395
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/147:01 am
PIT
- ONT
1 stop7h 44m
American Airlines
Tue 7/147:15 pm
ONT
- PIT
2 stops11h 15m
American Airlines
Deal found 6/10![American Airlines logo]()
$418
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/145:40 am
PIT
- ONT
2 stops8h 50m
Southwest
Thu 7/162:30 pm
ONT
- PIT
1 stop7h 45m
Southwest
Deal found 6/8![Southwest logo]()
$441
This Delta deal was found by Cheapflights users on 6/10. 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 7/185:50 pm
PIT
- ONT
1 stop7h 33m
Delta
Tue 7/2110:00 pm
ONT
- PIT
1 stop9h 45m
Delta
Deal found 6/10![Delta logo]()
$466
This Delta deal was found by Cheapflights users on 6/8. 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.
Mon 7/205:40 pm
PIT
- ONT
1 stop9h 08m
Delta
Mon 7/2710:00 pm
ONT
- PIT
2 stops17h 00m
Delta
Deal found 6/8![Delta logo]()
$457
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2912:45 pm
PIT
- ONT
2 stops9h 15m
Southwest
Mon 8/35:50 am
ONT
- PIT
2 stops9h 25m
Southwest
Deal found 6/9![Southwest logo]()
$463
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 June 11, 2026.
Search for one-way flight options from Pittsburgh to Ontario. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
This Delta deal was found by Cheapflights users on 6/8. 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 8/185:50 am
PIT
- ONT
1 stop7h 52m
Delta
Deal found 6/8![Delta logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 6/298:00 am
PIT
- ONT
2 stops34h 08m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$184
This Delta deal was found by Cheapflights users on 6/10. 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 9/126:00 am
PIT
- ONT
1 stop8h 04m
Delta
Deal found 6/10![Delta logo]()
$185
This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:28 pm
PIT
- ONT
1 stop19h 48m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$190
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/146:16 pm
PIT
- ONT
1 stop7h 35m
United Airlines
Deal found 6/10![United Airlines logo]()
$198
This Southwest deal was found by Cheapflights users on 6/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/812:50 pm
PIT
- ONT
2 stops9h 10m
Southwest
Deal found 6/8![Southwest logo]()
$203
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 9/26:10 pm
PIT
- ONT
1 stop7h 25m
United Airlines
Deal found 6/10![United Airlines logo]()
$208
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/1810:45 am
PIT
- ONT
2 stops12h 16m
United Airlines
Deal found 6/10![United Airlines logo]()
$213
This CheapOair deal was found by Cheapflights users on 6/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:46 am
PIT
- ONT
2 stops18h 25m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$214
This Southwest deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:50 am
PIT
- ONT
1 stop7h 30m
Southwest
Deal found 6/9![Southwest logo]()
$217
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:40 am
PIT
- ONT
2 stops9h 38m
American Airlines
Deal found 6/10![American Airlines logo]()
$221
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 June 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $305 (United Airlines) |
One-way from | $153 (Delta) |
Popular in | April |
Cheapest in | December |
Average price | $448 |
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 June 11, 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
Tue 9/22
6:00 am-10:15 am
1 stop7h 15m
Ontario
Tue 9/29
9:40 am-9:15 pm
2 stops8h 35m
$396
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Sun 8/23
5:39 pm-11:34 pm
1 stop8h 55m
Ontario
Sat 8/29
6:00 am-4:43 pm
1 stop7h 43m
$423
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Tue 7/14
6:00 am-12:05 pm
1 stop9h 05m
Ontario
Thu 7/16
2:30 pm-1:15 am
1 stop7h 45m
$436
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Wed 7/8
5:40 pm-11:48 pm
1 stop9h 08m
Ontario
Fri 7/10
10:00 pm-10:37 am
1 stop9h 37m
$436
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Tue 6/30
1:47 pm-6:30 pm
1 stop7h 43m
Ontario
Thu 7/9
11:48 am-12:50 am
1 stop10h 02m
$441
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Wed 7/15
5:40 am-11:30 am
2 stops8h 50m
Ontario
Fri 7/17
2:30 pm-1:15 am
1 stop7h 45m
$441
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Wed 7/15
5:40 pm-11:48 pm
1 stop9h 08m
Ontario
Fri 7/17
11:48 am-12:50 am
1 stop10h 02m
$466
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Tue 8/11
10:45 am-8:01 pm
2 stops12h 16m
Ontario
Wed 8/12
5:00 am-2:44 pm
1 stop6h 44m
$474
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Fri 9/18
7:02 am-2:16 pm
1 stop10h 14m
Ontario
Sat 9/26
6:02 am-5:30 pm
1 stop8h 28m
$477
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Tue 6/30
1:47 pm-6:30 pm
1 stop7h 43m
Ontario
Tue 7/7
6:00 am-4:30 pm
1 stop7h 30m
$497
Showing 1-10 of 19 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 June.
| 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
What is the cheapest month to book a flight from Pittsburgh to Ontario?
Currently, December is the cheapest month in which you can book a flight from Pittsburgh to Ontario (average of $350). Flying from Pittsburgh to Ontario in April is currently the most expensive (average of $504). 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 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 June 11, 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.
Comfort
8.0
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Food
7.0
Overall
7.9
Boarding
8.1
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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.
Alternative routes
Complete your trip
Flights by cabin class
Ontario flight routes
Other flight options
Other flights from Pittsburgh
Popular flights
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 June 11, 2026.
Pittsburgh and Ontario flights
Browse other Pittsburgh and Ontario flight options. Last updated on June 11, 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 June 11, 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 June 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$296 | Average$467 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$303 | Average$476 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$314 | Average$388 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$350 | Average$497 | FlexibilityNo cancel fee | On-time63% |