$135+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — ONT
Apr 3 — Apr 101
1 adult, Economy
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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 4, 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 4, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:17 pm
PIT
- ONT
1 stop31h 42m
Alaska Airlines
Tue 4/286:00 am
ONT
- PIT
1 stop9h 21m
Alaska Airlines
Deal found 3/1![Alaska Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 2/27. 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 3/204:37 pm
PIT
- ONT
1 stop7h 23m
Delta
Tue 3/2412:57 pm
ONT
- PIT
1 stop8h 20m
Delta
Deal found 2/27![Delta logo]()
$315
This Delta deal was found by Cheapflights users on 3/2. 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 4/95:30 pm
PIT
- ONT
1 stop9h 21m
Delta
Tue 4/1410:15 pm
ONT
- PIT
1 stop8h 00m
Delta
Deal found 3/2![Delta logo]()
$316
This CheapOair deal was found by Cheapflights users on 3/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:17 pm
PIT
- ONT
1 stop17h 28m
Alaska Airlines
Tue 5/53:26 pm
ONT
- PIT
1 stop23h 55m
Alaska Airlines
Deal found 3/3![Alaska Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:05 am
PIT
- ONT
1 stop7h 31m
Delta
Sat 4/2510:15 pm
ONT
- PIT
1 stop8h 00m
Delta
Deal found 3/1![Delta logo]()
$318
This United Airlines deal was found by Cheapflights users on 3/2. 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.
Tue 3/242:05 pm
PIT
- ONT
2 stops11h 52m
United Airlines
Mon 3/306:49 pm
ONT
- PIT
1 stop7h 28m
United Airlines
Deal found 3/2![United Airlines logo]()
$320
This American Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:35 pm
PIT
- ONT
1 stop7h 11m
American Airlines
Tue 4/2811:59 pm
ONT
- PIT
2 stops10h 05m
American Airlines
Deal found 3/1![American Airlines logo]()
$322
This American Airlines deal was found by Cheapflights users on 2/27. 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 5/2012:19 pm
ONT
- PIT
1 stop7h 05m
American Airlines
Deal found 2/27![American Airlines logo]()
$325
This Travelocity deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:24 pm
PIT
- ONT
1 stop17h 21m
Alaska Airlines
Mon 4/277:59 pm
ONT
- PIT
1 stop19h 22m
Alaska Airlines
Deal found 2/28![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 March 4, 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 4, 2026.
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:05 am
PIT
- ONT
1 stop7h 31m
Delta
Sat 4/2510:15 pm
ONT
- PIT
1 stop8h 00m
Delta
Deal found 3/1![Delta logo]()
$318
This Southwest deal was found by Cheapflights users on 3/2. 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.
Tue 4/710:50 am
PIT
- ONT
1 stop8h 30m
Southwest
Thu 4/1611:55 pm
ONT
- PIT
1 stop7h 05m
Southwest
Deal found 3/2![Southwest logo]()
$347
This United Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/64:07 pm
PIT
- ONT
1 stop9h 24m
United Airlines
Sat 4/111:34 pm
ONT
- PIT
1 stop6h 16m
United Airlines
Deal found 2/28![United Airlines logo]()
$436
This Alaska Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:52 pm
PIT
- ONT
1 stop19h 18m
Alaska Airlines
Sat 5/304:03 pm
ONT
- PIT
1 stop10h 37m
Alaska Airlines
Deal found 3/1![Alaska Airlines logo]()
$540
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/25:23 pm
PIT
- ONT
1 stop9h 28m
Delta
Tue 4/710:25 pm
ONT
- PIT
2 stops12h 02m
Delta
Deal found 3/1![Delta logo]()
$320
This Southwest deal was found by Cheapflights users on 3/3. 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 4/66:25 pm
PIT
- ONT
1 stop7h 20m
Southwest
Thu 4/1612:50 pm
ONT
- PIT
1 stop8h 15m
Southwest
Deal found 3/3![Southwest logo]()
$347
This Delta deal was found by Cheapflights users on 2/27. 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 4/910:26 am
PIT
- ONT
2 stops13h 34m
Delta
Tue 4/145:55 pm
ONT
- PIT
2 stops14h 50m
Delta
Deal found 2/27![Delta logo]()
$408
This United Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1910:35 am
PIT
- ONT
2 stops15h 00m
United Airlines
Wed 5/206:59 pm
ONT
- PIT
2 stops11h 59m
United Airlines
Deal found 2/28![United Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/185:40 pm
PIT
- ONT
1 stop8h 54m
Delta
Wed 5/2010:00 pm
ONT
- PIT
1 stop8h 02m
Delta
Deal found 2/28![Delta logo]()
$433
This United Airlines deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:09 pm
PIT
- ONT
2 stops11h 36m
United Airlines
Sun 4/266:49 pm
ONT
- PIT
1 stop7h 28m
United Airlines
Deal found 2/28![United Airlines logo]()
$513
This Delta deal was found by Cheapflights users on 3/2. 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.
Fri 5/155:40 pm
PIT
- ONT
1 stop8h 54m
Delta
Sun 5/1710:00 pm
ONT
- PIT
1 stop8h 02m
Delta
Deal found 3/2![Delta logo]()
$437
This Delta deal was found by Cheapflights users on 3/3. 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 5/16:00 am
PIT
- ONT
2 stops13h 25m
Delta
Mon 5/410:15 pm
ONT
- PIT
2 stops15h 05m
Delta
Deal found 3/3![Delta logo]()
$438
Last-minute flights from Pittsburgh to OntarioDiscover last-minute flight deals from Pittsburgh to Ontario. Data last updated March 4, 2026 and is based on user searches.
Discover last-minute flight deals from Pittsburgh to Ontario. Data last updated March 4, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 2/27. 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 3/204:37 pm
PIT
- ONT
1 stop7h 23m
Delta
Mon 3/2310:25 pm
ONT
- PIT
1 stop7h 39m
Delta
Deal found 2/27![Delta logo]()
$315
This United Airlines deal was found by Cheapflights users on 3/2. 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.
Tue 3/242:05 pm
PIT
- ONT
2 stops11h 52m
United Airlines
Mon 3/306:49 pm
ONT
- PIT
1 stop7h 28m
United Airlines
Deal found 3/2![United Airlines logo]()
$320
This American Airlines deal was found by Cheapflights users on 3/2. 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.
Tue 3/2411:12 am
PIT
- ONT
2 stops10h 57m
American Airlines
Mon 3/3011:58 pm
ONT
- PIT
2 stops10h 01m
American Airlines
Deal found 3/2![American Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 3/2. 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 4/95:30 pm
PIT
- ONT
1 stop9h 21m
Delta
Tue 4/1410:15 pm
ONT
- PIT
1 stop8h 00m
Delta
Deal found 3/2![Delta logo]()
$316
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:05 am
PIT
- ONT
1 stop7h 31m
Delta
Sat 4/2510:15 pm
ONT
- PIT
1 stop8h 00m
Delta
Deal found 3/1![Delta logo]()
$318
This Travelocity deal was found by Cheapflights users on 2/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:24 pm
PIT
- ONT
1 stop17h 21m
Alaska Airlines
Mon 4/277:59 pm
ONT
- PIT
1 stop19h 22m
Alaska Airlines
Deal found 2/28![Alaska Airlines logo]()
$333
This Alaska Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:17 pm
PIT
- ONT
1 stop31h 42m
Alaska Airlines
Tue 4/286:00 am
ONT
- PIT
1 stop9h 21m
Alaska Airlines
Deal found 3/1![Alaska Airlines logo]()
$303
This American Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:35 pm
PIT
- ONT
1 stop7h 11m
American Airlines
Tue 4/2811:59 pm
ONT
- PIT
2 stops10h 05m
American Airlines
Deal found 3/1![American Airlines logo]()
$322
This CheapOair deal was found by Cheapflights users on 3/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:17 pm
PIT
- ONT
1 stop17h 28m
Alaska Airlines
Tue 5/53:26 pm
ONT
- PIT
1 stop23h 55m
Alaska Airlines
Deal found 3/3![Alaska Airlines 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 March 4, 2026.
Search for one-way flight options from Pittsburgh to Ontario. Find affordable one-way fares based on user searches. Data last updated March 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 4/710:45 am
PIT
- ONT
3 stops40h 11m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/181:22 pm
PIT
- ONT
2 stops32h 12m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/179:04 am
PIT
- ONT
2 stops41h 51m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:00 am
PIT
- ONT
2 stops13h 38m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 3/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:15 am
PIT
- ONT
3 stops18h 40m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$150
This Trip.com deal was found by Cheapflights users on 3/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/186:00 am
PIT
- ONT
2 stops13h 15m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$151
This Southwest deal was found by Cheapflights users on 3/3. 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.
Wed 3/256:10 pm
PIT
- ONT
1 stop7h 55m
Southwest
Deal found 3/3![Southwest logo]()
$158
This Southwest deal was found by Cheapflights users on 3/2. 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.
Tue 5/1210:50 am
PIT
- ONT
1 stop8h 30m
Southwest
Deal found 3/2![Southwest logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 4/810:45 am
PIT
- ONT
3 stops40h 11m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$163
This United Airlines deal was found by Cheapflights users on 2/27. 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 4/710:49 am
PIT
- ONT
2 stops10h 13m
United Airlines
Deal found 2/27![United Airlines logo]()
$164
This Kiwi.com deal was found by Cheapflights users on 3/2. 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.
Tue 3/246:00 am
PIT
- ONT
3 stops44h 59m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$166
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 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $303 (Alaska Airlines) |
One-way from | $135 (Kiwi.com) |
Popular in | September |
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 4, 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
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Sat 4/18
7:05 am-11:36 am
1 stop7h 31m
Ontario
Sat 4/25
10:15 pm-9:15 am
1 stop8h 00m
$318
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Thu 4/2
5:23 pm-11:51 pm
1 stop9h 28m
Ontario
Tue 4/7
10:25 pm-1:27 pm
2 stops12h 02m
$320
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Tue 4/7
10:50 am-4:20 pm
1 stop8h 30m
Ontario
Thu 4/16
11:55 pm-10:00 am
1 stop7h 05m
$347
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Mon 4/6
6:25 pm-10:45 pm
1 stop7h 20m
Ontario
Thu 4/16
12:50 pm-12:05 am
1 stop8h 15m
$347
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Thu 4/9
10:26 am-9:00 pm
2 stops13h 34m
Ontario
Tue 4/14
5:55 pm-11:45 am
2 stops14h 50m
$408
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Mon 5/18
5:40 pm-11:34 pm
1 stop8h 54m
Ontario
Wed 5/20
10:00 pm-9:02 am
1 stop8h 02m
$433
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Mon 4/6
4:07 pm-10:31 pm
1 stop9h 24m
Ontario
Sat 4/11
1:34 pm-10:50 pm
1 stop6h 16m
$436
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Fri 5/15
5:40 pm-11:34 pm
1 stop8h 54m
Ontario
Sun 5/17
10:00 pm-9:02 am
1 stop8h 02m
$437
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Fri 5/1
6:00 am-4:25 pm
2 stops13h 25m
Ontario
Mon 5/4
10:15 pm-4:20 pm
2 stops15h 05m
$438
PittsburghOntario
PIT - ONT
PITONT
Pittsburgh
Tue 5/19
10:35 am-10:35 pm
2 stops15h 00m
Ontario
Wed 5/20
6:59 pm-9:58 am
2 stops11h 59m
$487
Showing 1-10 of 23 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 4, 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.
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Overall
8.0
Food
7.0
Boarding
8.1
Comfort
8.0
Crew
8.6
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 March 4, 2026.
Pittsburgh and Ontario flights
Browse other Pittsburgh and Ontario flight options. Last updated on March 4, 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 4, 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 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$296 | Average$474 | 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$346 | FlexibilityNo cancel fee | On-time71% |